1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591
|
char *protv = /* -*-C-*- */
"C-Kermit Protocol Module 8.0.158, 11 Sep 2002";
int kactive = 0; /* Kermit protocol is active */
#define PKTZEROHACK
/* C K C P R O -- C-Kermit Protocol Module, in Wart preprocessor notation. */
/*
Author: Frank da Cruz <fdc@columbia.edu>,
Columbia University Academic Information Systems, New York City.
Copyright (C) 1985, 2004,
Trustees of Columbia University in the City of New York.
All rights reserved. See the C-Kermit COPYING.TXT file or the
copyright text in the ckcmai.c module for disclaimer and permissions.
*/
#ifndef NOXFER
#include "ckcsym.h"
#include "ckcdeb.h"
#include "ckcasc.h"
#include "ckcker.h"
#ifdef OS2
#ifndef NT
#define INCL_NOPM
#define INCL_VIO /* Needed for ckocon.h */
#include <os2.h>
#undef COMMENT
#endif /* NT */
#include "ckocon.h"
#endif /* OS2 */
/*
Note -- This file may also be preprocessed by the UNIX Lex program, but
you must indent the above #include statements before using Lex, and then
restore them to the left margin in the resulting C program before compilation.
Also, the invocation of the "wart()" function below must be replaced by an
invocation of the "yylex()" function. It might also be necessary to remove
comments in the (%)(%)...(%)(%) section.
*/
/* State definitions for Wart (or Lex) */
%states ipkt rfile rattr rdpkt ssinit ssfile ssattr ssdata sseof sseot
%states serve generic get rgen ssopkt ropkt
_PROTOTYP(static VOID xxproto,(void));
_PROTOTYP(static VOID wheremsg,(void));
_PROTOTYP(int wart,(void));
_PROTOTYP(static int sgetinit,(int,int));
_PROTOTYP(int sndspace,(int));
/* External C-Kermit variable declarations */
extern char *versio, *srvtxt, *cmarg, *cmarg2, **cmlist, *rf_err;
extern char * rfspec, * sfspec, * srfspec, * rrfspec;
extern char * prfspec, * psfspec, * psrfspec, * prrfspec;
extern char *cdmsgfile[];
extern char * snd_move, * snd_rename, * srimsg;
extern char filnam[], ofilnam[], fspec[], ttname[], ofn1[];
extern CHAR sstate, *srvptr, *data;
extern int timint, rtimo, nfils, hcflg, xflg, flow, mdmtyp, network;
extern int oopts, omode, oname, opath, nopush, isguest, xcmdsrc, rcdactive;
extern int rejection, moving, fncact, bye_active, urserver, fatalio;
extern int protocol, prefixing, filcnt, carrier, fnspath, interrupted;
extern int recursive, inserver, nzxopts, idletmo, srvidl, xfrint;
extern struct ck_p ptab[];
extern int remfile, rempipe, xferstat, filestatus, wearealike, fackpath;
extern int patterns, filepeek, gnferror;
extern char * remdest;
#ifdef PKTZEROHACK
#define PKTZEROLEN 32
static char ipktack[PKTZEROLEN];
static int ipktlen = 0;
#endif /* PKTZEROHACK */
static int s_timint = -1; /* For saving timeout value */
static int myjob = 0;
static int havefs = 0;
#ifdef CK_LOGIN
static int logtries = 0;
#endif /* CK_LOGIN */
static int cancel = 0;
int fackbug = 0;
#ifdef STREAMING
extern int streaming, streamok;
static VOID
streamon() {
if (streamok) {
debug(F100,"streamon","",0);
streaming = 1;
timint = 0; /* No timeouts while streaming. */
}
}
#ifdef COMMENT /* (not used) */
static VOID
streamoff() {
if (streaming) {
debug(F100,"streamoff","",0);
streaming = 0;
timint = s_timint; /* Restore timeout */
}
}
#endif /* COMMENT */
#else /* STREAMING */
#define streamon()
#define streamoff()
#endif /* STREAMING */
#ifndef NOSPL
_PROTOTYP( int addmac, (char *, char *) );
_PROTOTYP( int zzstring, (char *, char **, int *) );
#endif /* NOSPL */
#ifndef NOICP
_PROTOTYP( int cmdsrc, (void) );
#endif /* NOICP */
#ifndef NOSERVER
extern char * x_user, * x_passwd, * x_acct;
extern int x_login, x_logged;
#endif /* NOSERVER */
#include "ckcnet.h"
#ifdef TNCODE
extern int ttnproto; /* Network protocol */
#endif /* TNCODE */
#ifdef CK_SPEED
extern short ctlp[]; /* Control-character prefix table */
#endif /* CK_SPEED */
#ifdef TNCODE
extern int tn_b_nlm, tn_b_xfer, tn_nlm;
#ifdef CK_ENCRYPTION
extern int tn_no_encrypt_xfer;
#endif /* CK_ENCRYPTION */
#endif /* TNCODE */
#ifdef TCPSOCKET
#ifndef NOLISTEN
extern int tcpsrfd;
#endif /* NOLISTEN */
#endif /* TCPSOCKET */
extern int cxseen, czseen, server, srvdis, local, displa, bctu, bctr, bctl;
extern int quiet, tsecs, parity, backgrd, nakstate, atcapu, wslotn, winlo;
extern int wslots, success, xitsta, rprintf, discard, cdtimo, keep, fdispla;
extern int timef, stdinf, rscapu, sendmode, epktflg, epktrcvd, epktsent;
extern int binary, fncnv;
extern long speed, ffc, crc16, calibrate, dest;
#ifdef COMMENT
extern char *TYPCMD, *DIRCMD, *DIRCM2;
#endif /* COMMENT */
#ifndef OS2
extern char *SPACMD, *SPACM2, *WHOCMD;
#endif /* OS2 */
extern CHAR *rdatap;
extern struct zattr iattr;
#ifdef VMS
extern int batch;
#endif /* VMS */
#ifdef GFTIMER
extern CKFLOAT fptsecs;
#endif /* GFTIMER */
extern CHAR *srvcmd;
extern CHAR *epktmsg;
#ifdef CK_TMPDIR
extern int f_tmpdir; /* Directory changed temporarily */
extern char savdir[]; /* For saving current directory */
extern char * dldir;
#endif /* CK_TMPDIR */
extern int query; /* Query-active flag */
#ifndef NOSPL
extern int cmdlvl;
char querybuf[QBUFL+1] = { NUL, NUL }; /* QUERY response buffer */
char *qbufp = querybuf; /* Pointer to it */
int qbufn = 0; /* Length of data in it */
#else
extern int tlevel;
#endif /* NOSPL */
#ifndef NOICP
extern int escape;
#endif /* NOICP */
/*
If the following flag is nonzero when the protocol module is entered,
then server mode persists for exactly one transaction, rather than
looping until BYE or FINISH is received.
*/
extern int justone;
static int r_save = -1;
static int p_save = -1;
/* Function to let remote-mode user know where their file(s) went */
int whereflg = 1; /* Unset with SET XFER REPORT */
static VOID
wheremsg() {
extern int quiet, filrej;
int n;
n = filcnt - filrej;
debug(F101,"wheremsg n","",n);
debug(F110,"wheremsg prfspec",prfspec,0);
debug(F110,"wheremsg rfspec",rfspec,0);
debug(F110,"wheremsg psfspec",psfspec,0);
debug(F110,"wheremsg sfspec",sfspec,0);
debug(F110,"wheremsg prrfspec",prrfspec,0);
debug(F110,"wheremsg rrfspec",rrfspec,0);
debug(F110,"wheremsg psrfspec",psrfspec,0);
debug(F110,"wheremsg srfspec",srfspec,0);
if (!quiet && !local) {
if (n == 1) {
switch (myjob) {
case 's':
if (sfspec) {
printf(" SENT: [%s]",sfspec);
if (srfspec)
printf(" To: [%s]",srfspec);
printf(" (%s)\n", success ? "OK" : "FAILED");
}
break;
case 'r':
case 'v':
if (rrfspec) {
printf(" RCVD: [%s]",rrfspec);
if (rfspec)
printf(" To: [%s]",rfspec);
printf(" (%s)\n", success ? "OK" : "FAILED");
}
}
} else if (n > 1) {
switch (myjob) {
case 's':
if (sfspec) {
printf(" SENT: (%d files)",n);
if (srfspec)
printf(" Last: [%s]",srfspec);
printf(" (%s)\n", success ? "OK" : "FAILED");
}
break;
case 'r':
case 'v':
if (rrfspec) {
printf(" RCVD: (%d files)",n);
if (rfspec)
printf(" Last: [%s]",rfspec);
printf(" (%s)\n", success ? "OK" : "FAILED");
}
}
} else if (n == 0) {
if (myjob == 's')
printf(" SENT: (0 files) \n");
else if (myjob == 'r' || myjob == 'v')
printf(" RCVD: (0 files) \n");
}
}
}
static VOID
rdebug() {
if (server)
debug(F111,"RESUME","server=1",justone);
else
debug(F111,"RESUME","server=0",justone);
}
/* Flags for the ENABLE and DISABLE commands */
extern int
en_cpy, en_cwd, en_del, en_dir, en_fin, en_get, en_bye, en_mai, en_pri,
en_hos, en_ren, en_sen, en_spa, en_set, en_typ, en_who, en_ret, en_xit,
en_mkd, en_rmd;
#ifndef NOSPL
extern int en_asg, en_que;
#endif /* NOSPL */
extern int what, lastxfer;
/* Global variables declared here */
int whatru = 0; /* What are you. */
int whatru2 = 0; /* What are you, cont'd. */
/* Local variables */
static char vstate = 0; /* Saved State */
static char vcmd = 0; /* Saved Command */
static int reget = 0; /* Flag for executing REGET */
static int retrieve = 0; /* Flag for executing RETRIEVE */
static int opkt = 0; /* Send Extended GET packet */
static int x; /* General-purpose integer */
static char *s; /* General-purpose string pointer */
/* Macros - Note, BEGIN is predefined by Wart (and Lex) as "state = ", */
/* BEGIN is NOT a GOTO! */
#define TINIT if (tinit(1) < 0) return(-9)
#define SERVE { TINIT; resetc(); nakstate=1; what=W_NOTHING; cmarg2=""; \
sendmode=SM_SEND; havefs=0; recursive=r_save; fnspath=p_save; BEGIN serve; }
#define RESUME { rdebug(); if (!server) { wheremsg(); return(0); } else \
if (justone) { justone=0; wheremsg(); return(0); } else { SERVE; } }
#ifdef GFTIMER
#define QUIT x=quiet; quiet=1; clsif(); clsof(1); tsecs=gtimer(); \
fptsecs=gftimer(); quiet=x; return(success)
#else
#define QUIT x=quiet; quiet=1; clsif(); clsof(1); tsecs=gtimer(); quiet=x; \
return(success)
#endif /* GFTIMER */
/*
By late 1999, the big switch() statement generated from the following state
table began choking even gcc, so here we extract the code from the larger
states into static routines to reduce the size of the cases and the
switch() overall. The routines follow the state table; the prototypes are
here. Each of these routines simply contains the text from the
corresponding case, but with return(-1) added in appropriate places; see
instructions after the state table switcher.
*/
static int rc; /* Return code for these routines */
static int rcv_s_pkt(); /* Received an S packet */
static int rcv_firstdata(); /* Received first Data packet */
static int rcv_shortreply(); /* Short reply to a REMOTE command */
static int srv_query(); /* Server answers an query */
static int srv_copy(); /* Server executes REMOTE COPY */
static int srv_rename(); /* Server executes REMOTE RENAME */
static int srv_login(); /* Server executes REMOTE LOGIN */
static int srv_timeout(); /* Server times out */
%%
/*
Protocol entry points, one for each start state (sstate).
The lowercase letters are internal "inputs" from the user interface.
NOTE: The start state letters that appear on the left margin immediately
below can NOT be used as packet types OR as G-packet subcodes.
*/
s { TINIT; /* Send file(s) */
if (sinit() > 0) BEGIN ssinit;
else RESUME; }
v { TINIT; nakstate = 1; BEGIN get; } /* Receive file(s) */
r { /* Client sends a GET command */
TINIT;
vstate = get;
reget = 0;
retrieve = 0;
opkt = 0;
vcmd = 0;
#ifdef PKTZEROHACK
ipktack[0] = NUL;
#endif /* PKTZEROHACK */
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
h { /* Client sends a RETRIEVE command */
TINIT;
vstate = get;
reget = 0;
retrieve = 1;
opkt = 0;
vcmd = 0;
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
j { /* Client sends a REGET command */
TINIT;
vstate = get;
reget = 1;
retrieve = 0;
opkt = 0;
vcmd = 0;
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
o { /* Client sends Extended GET Packet */
TINIT;
vstate = get;
reget = oopts & GOPT_RES;
retrieve = oopts & GOPT_DEL;
opkt = 1;
vcmd = 0;
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
c { /* Client sends a Host command */
TINIT;
vstate = rgen;
vcmd = 'C';
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
k { TINIT; /* Client sends a Kermit command */
vstate = rgen;
vcmd = 'K';
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
g { /* Client sends a REMOTE command */
TINIT;
vstate = rgen;
vcmd = 'G';
if (sipkt('I') >= 0)
BEGIN ipkt;
else
RESUME;
}
x { /* Enter server mode */
int x;
x = justone;
if (!ENABLED(en_del)) { /* If DELETE is disabled */
if (fncact == XYFX_B || /* undo any file collision action */
fncact == XYFX_U || /* that could result in deletion or */
fncact == XYFX_A || /* modification of existing files. */
fncact == XYFX_X) {
#ifndef NOICP
extern int g_fncact;
g_fncact = fncact; /* Save current setting */
#endif /* NOICP */
fncact = XYFX_R; /* Change to RENAME */
debug(F101,"server DELETE disabled so fncact RENAME","",fncact);
}
}
SERVE; /* tinit() clears justone... */
justone = x;
#ifdef IKSDB
if (ikdbopen) slotstate(what, "SERVER", "", "");
#endif /* IKSDB */
}
a {
int b1 = 0, b2 = 0;
if (!data) TINIT; /* "ABEND" -- Tell other side. */
#ifndef pdp11
if (epktflg) { /* If because of E-PACKET command */
b1 = bctl; b2 = bctu; /* Save block check type */
bctl = bctu = 1; /* set it to 1 */
}
#endif /* pdp11 */
errpkt((CHAR *)"User cancelled"); /* Send the packet */
#ifndef pdp11
if (epktflg) { /* Restore the block check */
epktflg = 0;
bctl = b1; bctu = b2;
}
#endif /* pdp11 */
success = 0;
return(0); /* Return from protocol. */
}
/*
Dynamic states: <current-states>input-character { action }
nakstate != 0 means we're in a receiving state, in which we send ACKs & NAKs.
*/
<rgen,get,serve,ropkt>S { /* Receive Send-Init packet. */
rc = rcv_s_pkt();
cancel = 0; /* Reset cancellation counter */
debug(F101,"rcv_s_pkt","",rc);
if (rc > -1) return(rc); /* (see below) */
}
/* States in which we get replies back from commands sent to a server. */
/* Complicated because direction of protocol changes, packet number */
/* stays at zero through I-G-S sequence, and complicated even more by */
/* sliding windows buffer allocation. */
<ipkt>Y { /* Get ack for I-packet */
int x = 0;
#ifdef PKTZEROHACK
ckstrncpy(ipktack,(char *)rdatap,PKTZEROLEN); /* Save a copy of the ACK */
ipktlen = strlen(ipktack);
#endif /* PKTZEROHACK */
spar(rdatap); /* Set parameters */
cancel = 0;
winlo = 0; /* Set window-low back to zero */
debug(F101,"<ipkt>Y winlo","",winlo);
urserver = 1; /* So I know I'm talking to a server */
if (vcmd) { /* If sending a generic command */
if (tinit(0) < 0) return(-9); /* Initialize many things */
x = scmd(vcmd,(CHAR *)cmarg); /* Do that */
if (x >= 0) x = 0; /* (because of O-Packet) */
debug(F101,"proto G packet scmd","",x);
vcmd = 0; /* and then un-remember it. */
} else if (vstate == get) {
debug(F101,"REGET sstate","",sstate);
x = srinit(reget, retrieve, opkt); /* GET or REGET, etc */
}
if (x < 0) { /* If command was too long */
if (!srimsg)
srimsg = "Error sending string";
errpkt((CHAR *)srimsg); /* cancel both sides. */
success = 0;
RESUME;
} else if (x > 0) { /* Need to send more O-Packets */
BEGIN ssopkt;
} else {
rtimer(); /* Reset the elapsed seconds timer. */
#ifdef GFTIMER
rftimer();
#endif /* GFTIMER */
winlo = 0; /* Window back to 0, again. */
debug(F101,"<ipkt>Y vstate","",vstate);
nakstate = 1; /* Can send NAKs from here. */
BEGIN vstate; /* Switch to desired state */
}
}
<ssopkt>Y { /* Got ACK to O-Packet */
debug(F100,"CPCPRO <ssopkt>Y","",0);
x = sopkt();
debug(F101,"CPCPRO <ssopkt>Y x","",x);
if (x < 0) { /* If error */
errpkt((CHAR *)srimsg); /* cancel both sides. */
success = 0;
RESUME;
} else if (x == 0) { /* This was the last O-Packet */
rtimer(); /* Reset the elapsed seconds timer. */
#ifdef GFTIMER
rftimer();
#endif /* GFTIMER */
winlo = 0; /* Window back to 0, again. */
debug(F101,"<ssopkt>Y winlo","",winlo);
nakstate = 1; /* Can send NAKs from here. */
BEGIN vstate; /* Switch to desired state */
}
debug(F101,"CPCPRO <ssopkt>Y not changing state","",x);
}
<ipkt>E { /* Ignore Error reply to I packet */
int x = 0;
winlo = 0; /* Set window-low back to zero */
debug(F101,"<ipkt>E winlo","",winlo);
if (vcmd) { /* In case other Kermit doesn't */
if (tinit(0) < 0) return(-9);
x = scmd(vcmd,(CHAR *)cmarg); /* understand I-packets. */
if (x >= 0) x = 0; /* (because of O-Packet) */
vcmd = 0; /* Otherwise act as above... */
} else if (vstate == get) x = srinit(reget, retrieve, opkt);
if (x < 0) { /* If command was too long */
errpkt((CHAR *)srimsg); /* cancel both sides. */
success = 0;
RESUME;
} else if (x > 0) { /* Need to send more O-Packets */
BEGIN ssopkt;
} else {
freerpkt(winlo); /* Discard the Error packet. */
debug(F101,"<ipkt>E winlo","",winlo);
winlo = 0; /* Back to packet 0 again. */
nakstate = 1; /* Can send NAKs from here. */
BEGIN vstate;
}
}
<get>Y { /* Resend of previous I-pkt ACK, same seq number */
freerpkt(0); /* Free the ACK's receive buffer */
resend(0); /* Send the GET packet again. */
}
/* States in which we're being a server */
<serve,get>I { /* Get I-packet */
#ifndef NOSERVER
spar(rdatap); /* Set parameters from it */
ack1(rpar()); /* Respond with our own parameters */
#ifdef COMMENT
pktinit(); /* Reinitialize packet numbers */
#else
#ifdef COMMENT
/* This can't be right - it undoes the stuff we just negotiated */
x = justone;
tinit(1); /* Reinitialize EVERYTHING */
justone = x; /* But this... */
#else
tinit(0); /* Initialize most things */
#endif /* COMMENT */
#endif /* COMMENT */
#endif /* NOSERVER */
cancel = 0; /* Reset cancellation counter */
}
<serve>R { /* GET */
#ifndef NOSERVER
if (x_login && !x_logged) {
errpkt((CHAR *)"Login required");
SERVE;
} else if (sgetinit(0,0) < 0) {
RESUME;
} else {
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "GET", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
}
#endif /* NOSERVER */
}
<serve>H { /* GET /DELETE (RETRIEVE) */
#ifndef NOSERVER
if (x_login && !x_logged) {
errpkt((CHAR *)"Login required");
RESUME;
} else if (!ENABLED(en_del)) {
errpkt((CHAR *)"Deleting files is disabled");
RESUME;
} else if (sgetinit(0,0) < 0) {
RESUME;
} else {
moving = 1;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "GET /DELETE", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
}
#endif /* NOSERVER */
}
<serve>V { /* GET /RECURSIVE */
#ifndef NOSERVER
recursive = 1; /* Set these before sgetinit() */
if (fnspath == PATH_OFF)
fnspath = PATH_REL; /* Don't worry, they will be */
if (x_login && !x_logged) { /* reset next time through. */
errpkt((CHAR *)"Login required");
RESUME;
} else if (sgetinit(0,0) < 0) {
RESUME;
} else {
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "GET /RECURSIVE", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
}
#endif /* NOSERVER */
}
<serve>W { /* GET /RECURSIVE /DELETE */
#ifndef NOSERVER
recursive = 1; /* Set these before sgetinit() */
if (fnspath == PATH_OFF)
fnspath = PATH_REL; /* Don't worry, they will be */
moving = 1; /* reset next time through. */
if (x_login && !x_logged) {
errpkt((CHAR *)"Login required");
RESUME;
} else if (!ENABLED(en_del)) {
errpkt((CHAR *)"Deleting files is disabled");
RESUME;
} else if (sgetinit(0,0) < 0) {
RESUME;
} else {
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR,1,"server",
"GET /RECURSIVE /DELETE",(char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
}
#endif /* NOSERVER */
}
<serve>J { /* GET /RECOVER (REGET) */
#ifndef NOSERVER
if (x_login && !x_logged) {
errpkt((CHAR *)"Login required");
SERVE;
} else if (sgetinit(1,0) < 0) {
RESUME;
} else {
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "GET /RECOVER", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
}
#endif /* NOSERVER */
}
<serve>O { /* Extended GET */
#ifndef NOSERVER
if (x_login && !x_logged) { /* (any combination of options) */
errpkt((CHAR *)"Login required");
SERVE;
} else if ((x = sgetinit(0,1)) < 0) {
debug(F101,"CKCPRO <serve>O sgetinit fail","",x);
RESUME;
} else if (x == 0) {
debug(F101,"CKCPRO <serve>O sgetinit done","",x);
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "EXTENDED GET", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
} else { /* Otherwise stay in this state */
debug(F101,"CKCPRO <serve>O sgetinit TBC","",x);
ack();
BEGIN ropkt;
}
#endif /* NOSERVER */
}
<ropkt>O {
#ifndef NOSERVER
if (x_login && !x_logged) { /* (any combination of options) */
errpkt((CHAR *)"Login required");
SERVE;
} else if ((x = sgetinit(0,1)) < 0) {
debug(F101,"CKCPRO <ropkt>O sgetinit fail","",x);
RESUME;
} else if (x == 0) {
debug(F101,"CKCPRO <ropkt>O sgetinit done","",x);
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "EXTENDED GET", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit;
} else { /* Otherwise stay in this state */
debug(F101,"CKCPRO <ropkt>O sgetinit TBC","",x);
ack();
}
#endif /* NOSERVER */
}
<serve>G { /* Generic server command */
#ifndef NOSERVER
srvptr = srvcmd; /* Point to command buffer */
decode(rdatap,putsrv,0); /* Decode packet data into it */
putsrv(NUL); /* Insert a couple nulls */
putsrv(NUL); /* for termination */
if (srvcmd[0]) {
sstate = srvcmd[0]; /* Set requested start state */
if (x_login && !x_logged && /* Login required? */
/* Login, Logout, and Help are allowed when not logged in */
sstate != 'I' && sstate != 'L' && sstate != 'H') {
errpkt((CHAR *)"Login required");
SERVE;
} else {
nakstate = 0; /* Now I'm the sender. */
what = W_REMO; /* Doing a REMOTE command. */
#ifdef STREAMING
if (!streaming)
#endif /* STREAMING */
if (timint < 1)
timint = chktimo(rtimo,timef); /* Switch to per-packet timer */
binary = XYFT_T; /* Switch to text mode */
BEGIN generic; /* Switch to generic command state */
}
} else {
errpkt((CHAR *)"Badly formed server command"); /* report error */
RESUME; /* & go back to server command wait */
}
#endif /* NOSERVER */
}
<serve>C { /* Receive Host command */
#ifndef NOSERVER
if (x_login && !x_logged) {
errpkt((CHAR *)"Login required");
SERVE;
} else if (!ENABLED(en_hos)) {
errpkt((CHAR *)"REMOTE HOST disabled");
RESUME;
} else if (nopush) {
errpkt((CHAR *)"HOST commands not available");
RESUME;
} else {
srvptr = srvcmd; /* Point to command buffer */
decode(rdatap,putsrv,0); /* Decode command packet into it */
putsrv(NUL); /* Null-terminate */
nakstate = 0; /* Now sending, not receiving */
binary = XYFT_T; /* Switch to text mode */
if (syscmd((char *)srvcmd,"")) { /* Try to execute the command */
what = W_REMO; /* Doing a REMOTE command. */
#ifdef STREAMING
if (!streaming)
#endif /* STREAMING */
if (timint < 1)
timint = chktimo(rtimo,timef); /* Switch to per-packet timer */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE HOST", (char *)srvcmd);
#endif /* CKSYSLOG */
BEGIN ssinit; /* If OK, send back its output */
} else { /* Otherwise */
errpkt((CHAR *)"Can't do system command"); /* report error */
RESUME; /* & go back to server command wait */
}
}
#endif /* NOSERVER */
}
<serve>q { /* Interrupted or connection lost */
rc = srv_timeout();
debug(F101,"srv_timeout","",rc);
if (rc > -1) return(rc); /* (see below) */
}
<serve>N { /* Server got a NAK in command-wait */
#ifndef NOSERVER
errpkt((CHAR *)"Did you say RECEIVE instead of GET?");
RESUME;
#endif /* NOSERVER */
}
<serve>. { /* Any other command in this state */
#ifndef NOSERVER
if (c != ('E' - SP) && c != ('Y' - SP)) /* except E and Y packets. */
errpkt((CHAR *)"Unimplemented server function");
/* If we answer an E with an E, we get an infinite loop. */
/* A Y (ACK) can show up here if we sent back a short-form reply to */
/* a G packet and it was echoed. ACKs can be safely ignored here. */
RESUME; /* Go back to server command wait. */
#endif /* NOSERVER */
}
<generic>I { /* Login/Out */
rc = srv_login();
debug(F101,"<generic>I srv_login","",rc);
if (rc > -1) return(rc); /* (see below) */
}
<generic>C { /* Got REMOTE CD command */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE CD", (char *)srvcmd);
#endif /* CKSYSLOG */
if (!ENABLED(en_cwd)) {
errpkt((CHAR *)"REMOTE CD disabled");
RESUME;
} else {
char * p = NULL;
x = cwd((char *)(srvcmd+1)); /* Try to change directory */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE CD", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!x) { /* Failed */
errpkt((CHAR *)"Can't change directory");
RESUME; /* Back to server command wait */
} else if (x == 2) { /* User wants message */
if (!ENABLED(en_typ)) { /* Messages (REMOTE TYPE) disabled? */
errpkt((CHAR *)"REMOTE TYPE disabled");
RESUME;
} else { /* TYPE is enabled */
int i;
for (i = 0; i < 8; i++) {
if (zchki(cdmsgfile[i]) > -1) {
break;
}
}
binary = XYFT_T; /* Use text mode for this. */
if (i < 8 && sndtype(cdmsgfile[i])) { /* Have readme file? */
BEGIN ssinit; /* OK */
} else { /* not OK */
p = zgtdir();
if (!p) p = "";
success = (*p) ? 1 : 0;
ack1((CHAR *)p); /* ACK with new directory name */
success = 1;
RESUME; /* wait for next server command */
}
}
} else { /* User doesn't want message */
p =zgtdir();
if (!p) p = "";
success = (*p) ? 1 : 0;
ack1((CHAR *)p);
success = 1;
RESUME; /* Wait for next server command */
}
}
#endif /* NOSERVER */
}
<generic>A { /* Got REMOTE PWD command */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE PWD", NULL);
#endif /* CKSYSLOG */
if (!ENABLED(en_cwd)) {
errpkt((CHAR *)"REMOTE CD disabled");
RESUME;
} else {
if (encstr((CHAR *)zgtdir()) > -1) { /* Encode current directory */
ack1(data); /* If it fits, send it back in ACK */
success = 1;
} else { /* Failed */
ack(); /* Send empty ACK */
success = 0; /* and indicate failure locally */
}
RESUME; /* Back to server command wait */
}
#endif /* NOSERVER */
}
<generic>D { /* REMOTE DIRECTORY command */
#ifndef NOSERVER
char *n2;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE DIRECTORY", (char *)srvcmd);
#endif /* CKSYSLOG */
if (!ENABLED(en_dir)) { /* If DIR is disabled, */
errpkt((CHAR *)"REMOTE DIRECTORY disabled"); /* refuse. */
RESUME;
} else { /* DIR is enabled. */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE DIR", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_cwd)) { /* But CWD is disabled */
zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */
if (strcmp((char *)(srvcmd+2),n2)) { /* so refuse. */
errpkt((CHAR *)"Access denied");
RESUME; /* Remember, this is not a goto! */
}
}
if (state == generic) { /* It's OK to go ahead. */
#ifdef COMMENT
n2 = (*(srvcmd+2)) ? DIRCMD : DIRCM2;
if (syscmd(n2,(char *)(srvcmd+2))) /* If it can be done */
#else
int x;
if ((x = snddir((char*)(srvcmd+2))) > 0)
#endif /* COMMENT */
{
BEGIN ssinit; /* send the results back; */
} else { /* otherwise */
if (x < 0)
errpkt((CHAR *)"No files match");
else
errpkt((CHAR *)"Can't list directory");
RESUME; /* return to server command wait */
}
}
}
#endif /* NOSERVER */
}
<generic>E { /* REMOTE DELETE (Erase) */
#ifndef NOSERVER
char *n2;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE DELETE", (char *)srvcmd);
#endif /* CKSYSLOG */
if (!ENABLED(en_del)) {
errpkt((CHAR *)"REMOTE DELETE disabled");
RESUME;
} else { /* DELETE is enabled */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE DELETE", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_cwd)) { /* but CWD is disabled */
zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */
if (strcmp((char *)(srvcmd+2),n2)) { /* so refuse. */
errpkt((CHAR *)"Access denied");
RESUME; /* Remember, this is not a goto! */
}
} else if (isdir((char *)(srvcmd+2))) { /* A directory name? */
errpkt((CHAR *)"It's a directory");
RESUME;
}
if (state == generic) { /* It's OK to go ahead. */
int x;
if ((x = snddel((char*)(srvcmd+2))) > 0) {
BEGIN ssinit; /* If OK send results back */
} else { /* otherwise */
if (x < 0)
errpkt((CHAR *)"File not found"); /* report failure */
else
errpkt((CHAR *)"DELETE failed");
RESUME; /* & return to server command wait */
}
}
}
#endif /* NOSERVER */
}
<generic>F { /* FINISH */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "FINISH", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"SERVER FINISH", "", "");
#endif /* IKSDB */
if (!ENABLED(en_fin)) {
errpkt((CHAR *)"FINISH disabled");
RESUME;
} else {
ack(); /* Acknowledge */
xxscreen(SCR_TC,0,0L,""); /* Display */
success = 1;
return(0); /* Done */
}
#endif /* NOSERVER */
}
<generic>X { /* EXIT */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE EXIT", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE EXIT", "", "");
#endif /* IKSDB */
if (!ENABLED(en_xit)) {
errpkt((CHAR *)"EXIT disabled");
RESUME;
} else {
ack(); /* Acknowledge */
xxscreen(SCR_TC,0,0L,""); /* Display */
doexit(GOOD_EXIT,xitsta);
}
#endif /* NOSERVER */
}
<generic>L { /* BYE (Logout) */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "BYE", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"SERVER BYE", "", "");
#endif /* IKSDB */
if (!ENABLED(en_bye)) {
errpkt((CHAR *)"BYE disabled");
RESUME;
} else {
ack(); /* Acknowledge */
success = 1;
msleep(750); /* Give the ACK time to get out */
if (local)
ttres(); /* Reset the terminal */
xxscreen(SCR_TC,0,0L,""); /* Display */
doclean(1); /* Clean up files, etc */
#ifdef DEBUG
debug(F100,"C-Kermit BYE - Loggin out...","",0);
zclose(ZDFILE);
#endif /* DEBUG */
#ifdef IKSD
#ifdef CK_LOGIN
if (inserver)
ckxlogout();
else
#endif /* CK_LOGIN */
#endif /* IKSD */
#ifdef TCPSOCKET
#ifndef NOLISTEN
if (network && tcpsrfd > 0 && !inserver)
doexit(GOOD_EXIT,xitsta);
else
#endif /* NOLISTEN */
#endif /* TCPSOCKET */
return(zkself()); /* Try to log self out */
}
#endif /* NOSERVER */
}
<generic>H { /* REMOTE HELP */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE HELP", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE HELP", "", "");
#endif /* IKSDB */
#ifndef NOSERVER
if (sndhlp(NULL)) {
BEGIN ssinit; /* try to send it */
} else { /* If not ok, */
errpkt((CHAR *)"Can't send help"); /* send error message instead */
RESUME; /* and return to server command wait */
}
#endif /* NOSERVER */
}
<generic>R { /* REMOTE RENAME */
rc = srv_rename();
debug(F101,"srv_rename","",rc);
if (rc > -1) return(rc); /* (see below) */
}
<generic>K { /* REMOTE COPY */
rc = srv_copy();
debug(F101,"srv_copy","",rc);
if (rc > -1) return(rc); /* (see below) */
}
<generic>S { /* REMOTE SET */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE SET", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifndef NOSERVER
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE SET", (char *)(srvcmd+1), "");
#endif /* IKSDB */
if (!ENABLED(en_set)) {
errpkt((CHAR *)"REMOTE SET disabled");
RESUME;
} else {
if (remset((char *)(srvcmd+1))) { /* Try to do what they ask */
success = 1;
ack(); /* If OK, then acknowledge */
} else /* Otherwise */
errpkt((CHAR *)"Unknown REMOTE SET parameter"); /* give error msg */
RESUME; /* Return to server command wait */
}
#endif /* NOSERVER */
}
<generic>T { /* REMOTE TYPE */
#ifndef NOSERVER
char *n2;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE TYPE", (char *)srvcmd);
#endif /* CKSYSLOG */
if (!ENABLED(en_typ)) {
errpkt((CHAR *)"REMOTE TYPE disabled");
RESUME;
} else {
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE TYPE", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_cwd)) { /* If CWD disabled */
zstrip((char *)(srvcmd+2),&n2); /* and they included a pathname, */
if (strcmp((char *)(srvcmd+2),n2)) { /* refuse. */
errpkt((CHAR *)"Access denied");
RESUME; /* Remember, this is not a goto! */
}
}
if (state == generic) { /* It's OK to go ahead. */
binary = XYFT_T; /* Use text mode for this. */
if ( /* (RESUME didn't change state) */
#ifdef COMMENT
syscmd(TYPCMD,(char *)(srvcmd+2)) /* Old way */
#else
sndtype((char *)(srvcmd+2)) /* New way */
#endif /* COMMENT */
)
BEGIN ssinit; /* OK */
else { /* not OK */
errpkt((CHAR *)"Can't type file"); /* give error message */
RESUME; /* wait for next server command */
}
}
}
#endif /* NOSERVER */
}
<generic>m { /* REMOTE MKDIR */
#ifndef NOSERVER
#ifdef CK_MKDIR
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE MKDIR", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE MKDIR", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_mkd)) {
errpkt((CHAR *)"REMOTE MKDIR disabled");
RESUME;
} else if (!ENABLED(en_cwd)) { /* If CWD disabled */
errpkt((CHAR *)"Directory access restricted");
RESUME; /* Remember, this is not a goto! */
}
if (state == generic) { /* OK to go ahead. */
char *p = NULL;
x = ckmkdir(0,(char *)(srvcmd+2),&p,0,1); /* Make the directory */
if (!p) p = "";
if (x > -1) {
encstr((CHAR *)p); /* OK - encode the name */
ack1(data); /* Send short-form response */
success = 1;
RESUME;
} else { /* not OK */
if (!*p) p = "Directory creation failure";
errpkt((CHAR *)p); /* give error message */
RESUME; /* Wait for next server command */
}
}
#else
errpkt((CHAR *)"REMOTE MKDIR not available");
RESUME;
#endif /* CK_MKDIR */
#endif /* NOSERVER */
}
<generic>d { /* REMOTE RMDIR */
#ifndef NOSERVER
#ifdef CK_MKDIR
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE RMDIR", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE RMDIR", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_rmd)) {
errpkt((CHAR *)"REMOTE RMDIR disabled");
RESUME;
} else if (!ENABLED(en_cwd)) { /* If CWD disabled */
errpkt((CHAR *)"Directory access restricted");
RESUME; /* Remember, this is not a goto! */
}
if (state == generic) { /* OK to go ahead. */
char *p = NULL;
x = ckmkdir(1,(char *)(srvcmd+2),&p,0,1);
if (!p) p = "";
if (x > -1) {
encstr((CHAR *)p); /* OK - encode the name */
ack1(data); /* Send short-form response */
success = 1;
RESUME;
} else { /* not OK */
if (!*p) p = "Directory removal failure";
errpkt((CHAR *)p); /* give error message */
RESUME; /* Wait for next server command */
}
}
#else
errpkt((CHAR *)"REMOTE RMDIR not available");
RESUME;
#endif /* CK_MKDIR */
#endif /* NOSERVER */
}
<generic>U { /* REMOTE SPACE */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE SPACE", (char *)srvcmd);
#endif /* CKSYSLOG */
if (!ENABLED(en_spa)) {
errpkt((CHAR *)"REMOTE SPACE disabled");
RESUME;
} else {
x = srvcmd[1]; /* Get area to check */
x = ((x == NUL) || (x == SP)
#ifdef OS2
|| (x == '!') || (srvcmd[3] == ':')
#endif /* OS2 */
);
#ifdef IKSDB
if (ikdbopen) slotstate(what,
"REMOTE SPACE",
(x ? "" : (char *)srvcmd),
""
);
#endif /* IKSDB */
if (!x && !ENABLED(en_cwd)) { /* CWD disabled */
errpkt((CHAR *)"Access denied"); /* and non-default area given, */
RESUME; /* refuse. */
} else {
#ifdef OS2
_PROTOTYP(int sndspace,(int));
if (sndspace(x ? toupper(srvcmd[2]) : 0)) {
BEGIN ssinit; /* send the report. */
} else { /* If not ok, */
errpkt((CHAR *)"Can't send space"); /* send error message */
RESUME; /* and return to server command wait */
}
#else
if (nopush)
x = 0;
else
x = (x ? syscmd(SPACMD,"") : syscmd(SPACM2,(char *)(srvcmd+2)));
if (x) { /* If we got the info */
BEGIN ssinit; /* send it */
} else { /* otherwise */
errpkt((CHAR *)"Can't check space"); /* send error message */
RESUME; /* and await next server command */
}
#endif /* OS2 */
}
}
#endif /* NOSERVER */
}
<generic>W { /* REMOTE WHO */
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE WHO", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE WHO", (char *)(srvcmd+2), "");
#endif /* IKSDB */
if (!ENABLED(en_who)) {
errpkt((CHAR *)"REMOTE WHO disabled");
RESUME;
} else {
#ifdef OS2
_PROTOTYP(int sndwho,(char *));
if (sndwho((char *)(srvcmd+2))) {
BEGIN ssinit; /* try to send it */
} else { /* If not ok, */
errpkt((CHAR *)"Can't do who command"); /* send error msg */
RESUME; /* and return to server command wait */
}
#else
if (syscmd(WHOCMD,(char *)(srvcmd+2))) {
BEGIN ssinit;
} else {
errpkt((CHAR *)"Can't do who command");
RESUME;
}
#endif /* OS2 */
}
#endif /* NOSERVER */
}
<generic>V { /* Variable query or set */
rc = srv_query();
debug(F101,"srv_query","",rc);
if (rc > -1) return(rc);
}
<generic>q { /* Interrupted or connection lost */
#ifndef NOSERVER
if (fatalio) { /* Connection lost */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL);
#endif /* CKSYSLOG */
success = 0;
xitsta |= (what & W_KERMIT);
QUIT;
} else if (interrupted) {
if (!ENABLED(en_fin)) { /* Ctrl-C typed */
errpkt((CHAR *)"QUIT disabled");
RESUME;
} else {
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL);
#endif /* CKSYSLOG */
success = 0;
xitsta |= (what & W_KERMIT);
QUIT;
}
} else { /* Shouldn't happen */
debug(F100,"SERVER (generic) GOT UNEXPECTED 'q'","",0);
QUIT;
}
#endif /* NOSERVER */
}
<generic>. { /* Anything else in this state... */
#ifndef NOSERVER
errpkt((CHAR *)"Unimplemented REMOTE command"); /* Complain */
RESUME; /* and return to server command wait */
#endif /* NOSERVER */
}
<rgen>q { /* Sent BYE and connection broken */
if (bye_active && ttchk() < 0) {
msleep(500);
bye_active = 0;
ttclos(0); /* Close our end of the connection */
clsof(0);
return(success = 1);
} else { /* Other generic command */
return(success = 0); /* or connection not broken */
}
}
<rgen>Y { /* Short-Form reply */
rc = rcv_shortreply();
debug(F101,"<rgen>Y rcv_shortreply","",rc);
if (rc > -1) return(rc);
}
<rgen,rfile>F { /* File header */
/* char *n2; */
extern int rsn;
debug(F101,"<rfile>F winlo 1","",winlo);
xflg = 0; /* Not screen data */
if (!czseen)
cancel = 0; /* Reset cancellation counter */
#ifdef CALIBRATE
if (dest == DEST_N)
calibrate = 1;
#endif /* CALIBRATE */
if (!rcvfil(filnam)) { /* Figure out local filename */
errpkt((CHAR *)rf_err); /* Trouble */
RESUME;
} else { /* Real file, OK to receive */
char * fnp;
debug(F111,"<rfile>F winlo 2",fspec,winlo);
if (filcnt == 1) /* rcvfil set this to 1 for 1st file */
crc16 = 0L; /* Clear file CRC */
fnp = fspec; /* This is the full path */
if (server && !ENABLED(en_cwd) || /* if DISABLE CD */
!fackpath /* or F-ACK-PATH OFF */
) {
zstrip(fspec,&fnp); /* don't send back full path */
}
encstr((CHAR *)fnp);
if (fackbug)
ack();
else
ack1(data); /* Send it back in ACK */
initattr(&iattr); /* Clear file attribute structure */
streamon();
if (window(wslotn) < 0) { /* Allocate negotiated window slots */
errpkt((CHAR *)"Can't open window");
RESUME;
}
#ifdef IKSDB
if (ikdbopen) slotstate(what,
server ? "SERVER" : "",
"RECEIVE",
fspec
);
#endif /* IKSDB */
BEGIN rattr; /* Now expect Attribute packets */
}
}
<rgen,rfile>X { /* X-packet instead of file header */
xflg = 1; /* Screen data */
if (!czseen)
cancel = 0; /* Reset cancellation counter */
ack(); /* Acknowledge the X-packet */
initattr(&iattr); /* Initialize attribute structure */
streamon();
if (window(wslotn) < 0) { /* allocate negotiated window slots */
errpkt((CHAR *)"Can't open window");
RESUME;
}
#ifndef NOSPL
if (query) { /* If this is the response to */
qbufp = querybuf; /* a query that we sent, initialize */
qbufn = 0; /* the response buffer */
querybuf[0] = NUL;
}
#endif /* NOSPL */
what = W_REMO; /* we're doing a REMOTE command */
#ifdef IKSDB
if (ikdbopen) slotstate(what,
server ? "SERVER" : "",
"RECEIVE",
fspec
);
#endif /* IKSDB */
BEGIN rattr; /* Expect Attribute packets */
}
<rattr>A { /* Attribute packet */
if (gattr(rdatap,&iattr) == 0) { /* Read into attribute structure */
#ifdef CK_RESEND
ack1((CHAR *)iattr.reply.val); /* Reply with data */
#else
ack(); /* If OK, acknowledge */
#endif /* CK_RESEND */
} else { /* Otherwise */
extern long fsize;
char *r;
r = getreason(iattr.reply.val);
ack1((CHAR *)iattr.reply.val); /* refuse to accept the file */
xxscreen(SCR_ST,ST_REFU,0L,r); /* reason */
#ifdef TLOG
if (tralog && !tlogfmt)
doxlog(what,filnam,fsize,binary,1,r);
#endif /* TLOG */
}
}
<rattr>D { /* First data packet */
debug(F100,"<rattr> D firstdata","",0);
rc = rcv_firstdata();
debug(F101,"rcv_firstdata rc","",rc);
if (rc > -1) return(rc); /* (see below) */
}
<rfile>B { /* EOT, no more files */
ack(); /* Acknowledge the B packet */
reot(); /* Do EOT things */
#ifdef CK_TMPDIR
/* If we were cd'd temporarily to another device or directory ... */
if (f_tmpdir) {
int x;
x = zchdir((char *) savdir); /* ... restore previous directory */
f_tmpdir = 0; /* and remember we did it. */
debug(F111,"ckcpro.w B tmpdir restoring",savdir,x);
}
#endif /* CK_TMPDIR */
RESUME; /* and quit */
}
<rdpkt>D { /* Got Data packet */
debug(F101,"<rdpkt>D cxseen","",cxseen);
debug(F101,"<rdpkt>D czseen","",czseen);
if (cxseen || czseen || discard) { /* If file or group interruption */
CHAR * msg;
msg = czseen ? (CHAR *)"Z" : (CHAR *)"X";
#ifdef STREAMING
if (streaming) { /* Need to cancel */
debug(F111,"<rdpkt>D streaming cancel",msg,cancel);
if (cancel++ == 0) { /* Only do this once */
ack1(msg); /* Put "X" or "Z" in ACK */
} else if (czseen) {
errpkt((CHAR *)"User canceled");
RESUME;
} else {
fastack();
}
} else
#endif /* STREAMING */
ack1(msg);
} else { /* No interruption */
int rc, qf;
#ifndef NOSPL
qf = query;
#else
qf = 0;
#endif /* NOSPL */
#ifdef CKTUNING
rc = (binary && !parity) ?
bdecode(rdatap,putfil):
decode(rdatap, qf ? puttrm : putfil, 1);
#else
rc = decode(rdatap, qf ? puttrm : putfil, 1);
#endif /* CKTUNING */
if (rc < 0) {
discard = (keep == 0 || (keep == SET_AUTO && binary != XYFT_T));
errpkt((CHAR *)"Error writing data"); /* If failure, */
RESUME;
} else /* Data written OK, send ACK */
#ifdef STREAMING
if (streaming)
fastack();
else
#endif /* STREAMING */
ack();
}
}
<rattr>Z { /* EOF immediately after A-Packet. */
rf_err = "Can't create file";
timint = s_timint;
if (discard) { /* Discarding a real file... */
x = 1;
} else if (xflg) { /* If screen data */
if (remfile) { /* redirected to file */
if (rempipe) /* or pipe */
x = openc(ZOFILE,remdest); /* Pipe: start command */
else
x = opena(remdest,&iattr); /* File: open with attributes */
} else { /* otherwise */
x = opent(&iattr); /* "open" the screen */
}
#ifdef CALIBRATE
} else if (calibrate) { /* If calibration run */
x = ckopenx(&iattr); /* do this */
#endif /* CALIBRATE */
} else { /* otherwise */
x = opena(filnam,&iattr); /* open the file, with attributes */
if (x == -17) { /* REGET skipped because same size */
discard = 1;
rejection = 1;
}
}
if (!x || reof(filnam, &iattr) < 0) { /* Close output file */
errpkt((CHAR *) rf_err); /* If problem, send error msg */
RESUME; /* and quit */
} else { /* otherwise */
if (x == -17)
xxscreen(SCR_ST,ST_SKIP,SKP_RES,"");
ack(); /* acknowledge the EOF packet */
BEGIN rfile; /* and await another file */
}
}
<rdpkt>q { /* Ctrl-C or connection loss. */
timint = s_timint;
window(1); /* Set window size back to 1... */
cxseen = 1;
x = clsof(1); /* Close file */
return(success = 0); /* Failed */
}
<rdpkt>Z { /* End Of File (EOF) Packet */
/* wslots = 1; */ /* (don't set) Window size back to 1 */
#ifndef COHERENT /* Coherent compiler blows up on this switch() statement. */
x = reof(filnam, &iattr); /* Handle the EOF packet */
switch (x) { /* reof() sets the success flag */
case -5: /* Handle problems */
errpkt((CHAR *)"RENAME failed"); /* Fatal */
RESUME;
break;
case -4:
errpkt((CHAR *)"MOVE failed"); /* Fatal */
RESUME;
break;
case -3: /* If problem, send error msg */
errpkt((CHAR *)"Can't print file"); /* Fatal */
RESUME;
break;
case -2:
errpkt((CHAR *)"Can't mail file"); /* Fatal */
RESUME;
break;
case 2: /* Not fatal */
case 3:
xxscreen(SCR_EM,0,0L,"Receiver can't delete temp file");
RESUME;
break;
default:
if (x < 0) { /* Fatal */
errpkt((CHAR *)"Can't close file");
RESUME;
} else { /* Success */
#ifndef NOSPL
if (query) /* Query reponses generally */
conoll(""); /* don't have line terminators */
#endif /* NOSPL */
if (czseen) { /* Batch canceled? */
if (cancel++ == 0) { /* If we haven't tried this yet */
ack1((CHAR *)"Z"); /* Try it once */
} else { /* Otherwise */
errpkt((CHAR *)"User canceled"); /* quite with Error */
RESUME;
}
} else
ack(); /* Acknowledge the EOF packet */
BEGIN rfile; /* and await another file */
}
}
#else
if (reof(filnam, &iattr) < 0) { /* Close the file */
errpkt((CHAR *)"Error at end of file");
RESUME;
} else { /* reof() sets success flag */
ack();
BEGIN rfile;
}
#endif /* COHERENT */
}
<ssinit>Y { /* ACK for Send-Init */
spar(rdatap); /* set parameters from it */
cancel = 0;
bctu = bctr; /* switch to agreed-upon block check */
bctl = (bctu == 4) ? 2 : bctu; /* Set block-check length */
#ifdef CK_RESEND
if ((sendmode == SM_RESEND) && (!atcapu || !rscapu)) { /* RESEND */
errpkt((CHAR *) "RESEND capabilities not negotiated");
RESUME;
} else {
#endif /* CK_RESEND */
what = W_SEND; /* Remember we're sending */
lastxfer = W_SEND;
x = sfile(xflg); /* Send X or F header packet */
cancel = 0; /* Reset cancellation counter */
if (x) { /* If the packet was sent OK */
if (!xflg && filcnt == 1) /* and it's a real file */
crc16 = 0L; /* Clear the file CRC */
resetc(); /* reset per-transaction counters */
rtimer(); /* reset timers */
#ifdef GFTIMER
rftimer();
#endif /* GFTIMER */
streamon(); /* turn on streaming */
#ifdef IKSDB
if (ikdbopen) slotstate(what,
(server ? "SERVER" : ""),
"SEND",
filnam
);
#endif /* IKSDB */
BEGIN ssfile; /* and switch to receive-file state */
} else { /* otherwise send error msg & quit */
s = xflg ? "Can't execute command" : (char *)epktmsg;
if (!*s) s = "Can't open file";
errpkt((CHAR *)s);
RESUME;
}
#ifdef CK_RESEND
}
#endif /* CK_RESEND */
}
/*
These states are necessary to handle the case where we get a server command
packet (R, G, or C) reply with an S packet, but the client retransmits the
command packet. The input() function doesn't catch this because the packet
number is still zero.
*/
<ssinit>R { /* R packet was retransmitted. */
xsinit(); /* Resend packet 0 */
}
<ssinit>G { /* Same deal if G packet comes again */
xsinit();
}
/* should probably add cases for O, W, V, H, J, ... */
<ssinit>C { /* Same deal if C packet comes again */
xsinit();
}
<ssfile>Y { /* ACK for F or X packet */
srvptr = srvcmd; /* Point to string buffer */
decode(rdatap,putsrv,0); /* Decode data field, if any */
putsrv(NUL); /* Terminate with null */
ffc = 0L; /* Reset file byte counter */
debug(F101,"<ssfile>Y cxseen","",cxseen);
if (*srvcmd) { /* If remote name was recorded */
if (sendmode != SM_RESEND) {
if (fdispla == XYFD_C || fdispla == XYFD_S)
xxscreen(SCR_AN,0,0L,(char *)srvcmd);
tlog(F110," remote name:",(char *) srvcmd,0L);
makestr(&psrfspec,(char *)srvcmd);
}
}
if (cxseen||czseen) { /* Interrupted? */
debug(F101,"<ssfile>Y canceling","",0);
x = clsif(); /* Close input file */
sxeof(1); /* Send EOF(D) */
BEGIN sseof; /* and switch to EOF state. */
} else if (atcapu) { /* If attributes are to be used */
if (sattr(xflg | stdinf, 1) < 0) { /* send them */
errpkt((CHAR *)"Can't send attributes"); /* if problem, say so */
RESUME; /* and quit */
} else BEGIN ssattr; /* if ok, switch to attribute state */
} else { /* Attributes not negotiated */
if (window(wslotn) < 0) { /* Open window */
errpkt((CHAR *)"Can't open window");
RESUME;
} else if ((x = sdata()) == -2) { /* Send first data packet data */
window(1); /* Connection lost, reset window */
x = clsif(); /* Close input file */
return(success = 0); /* Return failure */
} else if (x == -9) { /* User interrupted */
errpkt((CHAR *)"User cancelled"); /* Send Error packet */
window(1); /* Set window size back to 1... */
timint = s_timint; /* Restore timeout */
return(success = 0); /* Failed */
} else if (x < 0) { /* EOF (empty file) or interrupted */
window(1); /* put window size back to 1, */
debug(F101,"<ssfile>Y cxseen","",cxseen);
x = clsif(); /* If not ok, close input file, */
if (x < 0) /* treating failure as interruption */
cxseen = 1; /* Send EOF packet */
seof(cxseen||czseen);
BEGIN sseof; /* and switch to EOF state. */
} else { /* First data sent OK */
BEGIN ssdata; /* All ok, switch to send-data state */
}
}
}
<ssattr>Y { /* Got ACK to A packet */
ffc = 0L; /* Reset file byte counter */
debug(F101,"<ssattr>Y cxseen","",cxseen);
if (cxseen||czseen) { /* Interrupted? */
debug(F101,"<sattr>Y canceling","",0);
x = clsif(); /* Close input file */
sxeof(1); /* Send EOF(D) */
BEGIN sseof; /* and switch to EOF state. */
} else if (rsattr(rdatap) < 0) { /* Was the file refused? */
discard = 1; /* Set the discard flag */
clsif(); /* Close the file */
sxeof(1); /* send EOF with "discard" code */
BEGIN sseof; /* switch to send-EOF state */
} else if ((x = sattr(xflg | stdinf, 0)) < 0) { /* Send more? */
errpkt((CHAR *)"Can't send attributes"); /* Trouble... */
RESUME;
} else if (x == 0) { /* No more to send so now the data */
if (window(wslotn) < 0) { /* Allocate negotiated window slots */
errpkt((CHAR *)"Can't open window");
RESUME;
}
if ((x = sdata()) == -2) { /* File accepted, send first data */
window(1); /* Connection broken */
x = clsif(); /* Close file */
return(success = 0); /* Return failure */
} else if (x == -9) { /* User interrupted */
errpkt((CHAR *)"User cancelled"); /* Send Error packet */
window(1); /* Set window size back to 1... */
timint = s_timint; /* Restore timeout */
return(success = 0); /* Failed */
} else if (x < 0) { /* If data was not sent */
window(1); /* put window size back to 1, */
debug(F101,"<ssattr>Y cxseen","",cxseen);
if (clsif() < 0) /* Close input file */
cxseen = 1; /* Send EOF packet */
seof(cxseen||czseen);
BEGIN sseof; /* and switch to EOF state. */
} else {
BEGIN ssdata; /* All ok, switch to send-data state */
}
}
}
<ssdata>q { /* Ctrl-C or connection loss. */
window(1); /* Set window size back to 1... */
cxseen = 1; /* To indicate interruption */
x = clsif(); /* Close file */
return(success = 0); /* Failed */
}
<ssdata>Y { /* Got ACK to Data packet */
canned(rdatap); /* Check if file transfer cancelled */
debug(F111,"<ssdata>Y cxseen",rdatap,cxseen);
debug(F111,"<ssdata>Y czseen",rdatap,czseen);
if ((x = sdata()) == -2) { /* Try to send next data */
window(1); /* Connection lost, reset window */
x = clsif(); /* Close file */
return(success = 0); /* Failed */
} else if (x == -9) { /* User interrupted */
errpkt((CHAR *)"User cancelled"); /* Send Error packet */
window(1); /* Set window size back to 1... */
timint = s_timint; /* Restore original timeout */
return(success = 0); /* Failed */
} else if (x < 0) { /* EOF - finished sending data */
debug(F101,"<ssdata>Y cxseen","",cxseen);
window(1); /* Set window size back to 1... */
if (clsif() < 0) /* Close input file */
cxseen = 1; /* Send EOF packet */
debug(F101,"<ssdata>Y CALLING SEOF()","",cxseen);
seof(cxseen||czseen);
BEGIN sseof; /* and enter send-eof state */
}
/* NOTE: If x == 0 it means we're draining: see sdata()! */
}
<sseof>Y { /* Got ACK to EOF */
int g, xdiscard;
canned(rdatap); /* Check if file transfer cancelled */
debug(F111,"<sseof>Y cxseen",rdatap,cxseen);
debug(F111,"<sseof>Y czseen",rdatap,czseen);
debug(F111,"<sseof>Y discard",rdatap,discard);
xdiscard = discard;
discard = 0;
success = (cxseen == 0 && czseen == 0); /* Transfer status... */
debug(F101,"<sseof>Y success","",success);
if (success && rejection > 0) /* If rejected, succeed if */
if (rejection != '#' && /* reason was date */
rejection != 1 && rejection != '?') /* or name; */
success = 0; /* fail otherwise. */
cxseen = 0; /* This goes back to zero. */
if (success) { /* Only if transfer succeeded... */
xxscreen(SCR_ST,ST_OK,0L,"");
if (!xdiscard) {
makestr(&sfspec,psfspec); /* Record filenames for WHERE */
makestr(&srfspec,psrfspec);
}
if (moving) { /* If MOVE'ing */
x = zdelet(filnam); /* Try to delete the source file */
#ifdef TLOG
if (tralog) {
if (x > -1) {
tlog(F110," deleted",filnam,0);
} else {
tlog(F110," delete failed:",ck_errstr(),0);
}
}
#endif /* TLOG */
} else if (snd_move) { /* Or move it */
int x;
x = zrename(filnam,snd_move);
#ifdef TLOG
if (tralog) {
if (x > -1) {
tlog(F110," moved to ",snd_move,0);
} else {
tlog(F110," move failed:",ck_errstr(),0);
}
}
#endif /* TLOG */
} else if (snd_rename) { /* Or rename it */
char *s = snd_rename; /* Renaming string */
#ifndef NOSPL
int y; /* Pass it thru the evaluator */
extern int cmd_quoting; /* for \v(filename) */
if (cmd_quoting) { /* But only if cmd_quoting is on */
y = MAXRP;
s = (char *)srvcmd;
zzstring(snd_rename,&s,&y);
s = (char *)srvcmd;
}
#endif /* NOSPL */
if (s) if (*s) {
int x;
x = zrename(filnam,s);
#ifdef TLOG
if (tralog) {
if (x > -1) {
tlog(F110," renamed to",s,0);
} else {
tlog(F110," rename failed:",ck_errstr(),0);
}
}
#endif /* TLOG */
#ifdef COMMENT
*s = NUL;
#endif /* COMMENT */
}
}
}
if (czseen) { /* Check group interruption flag */
g = 0; /* No more files if interrupted */
} else { /* Otherwise... */
#ifdef COMMENT
/* This code makes any open error fatal to a file-group transfer. */
g = gnfile();
debug(F111,"<sseof>Y gnfile",filnam,g);
if (g > 0) { /* Any more files to send? */
if (sfile(xflg)) /* Yes, try to send next file header */
BEGIN ssfile; /* if ok, enter send-file state */
else { /* otherwise */
s = xflg ? "Can't execute command" : (char *)epktmsg;
if (!*s) s = "Can't open file";
errpkt((CHAR *)s); /* send error message */
RESUME; /* and quit */
}
} else { /* No next file */
tsecs = gtimer(); /* get statistics timers */
#ifdef GFTIMER
fptsecs = gftimer();
#endif /* GFTIMER */
seot(); /* send EOT packet */
BEGIN sseot; /* enter send-eot state */
}
#else /* COMMENT */
while (1) { /* Keep trying... */
g = gnfile(); /* Get next file */
debug(F111,"<sseof>Y gnfile",filnam,g);
if (g == 0 && gnferror == 0) /* No more, stop trying */
break;
if (g > 0) { /* Have one */
if (sfile(xflg)) { /* Try to open and send F packet */
BEGIN ssfile; /* If OK, enter send-file state */
break; /* and break out of loop. */
}
} /* Otherwise keep trying to get one we can send... */
}
}
if (g == 0) {
debug(F101,"<sseof>Y no more files","",czseen);
tsecs = gtimer(); /* Get statistics timers */
#ifdef GFTIMER
fptsecs = gftimer();
#endif /* GFTIMER */
seot(); /* Send EOT packet */
BEGIN sseot; /* Enter send-eot state */
}
#endif /* COMMENT */
}
<sseot>Y { /* Got ACK to EOT */
debug(F101,"sseot justone","",justone);
RESUME; /* All done, just quit */
}
E { /* Got Error packet, in any state */
char *s = "";
window(1); /* Close window */
timint = s_timint; /* Restore original timeout */
if (*epktmsg) /* Message from Error packet */
s = (char *)epktmsg;
if (!*s) { /* If not there then maybe here */
s = (char *)rdatap;
ckstrncpy((char *)epktmsg,(char *)rdatap,PKTMSGLEN);
}
if (!*s) /* Hopefully we'll never see this. */
s = "Unknown error";
success = 0; /* For IF SUCCESS/FAIL. */
debug(F101,"ckcpro.w justone at E pkt","",justone);
success = 0; /* Transfer failed */
xferstat = success; /* Remember transfer status */
if (!epktsent) {
x = quiet; quiet = 1; /* Close files silently, */
epktrcvd = 1; /* Prevent messages from clsof() */
clsif();
clsof(1); /* discarding any output file. */
ermsg(s); /* Issue the message (calls screen). */
quiet = x; /* Restore quiet state */
}
tstats(); /* Get stats */
/*
If we are executing commands from a command file or macro, let the command
file or macro decide whether to exit, based on SET { TAKE, MACRO } ERROR.
*/
if (
#ifndef NOICP
!xcmdsrc &&
#endif /* NOICP */
backgrd && !server)
fatal("Protocol error");
xitsta |= (what & W_KERMIT); /* Save this for doexit(). */
#ifdef CK_TMPDIR
/* If we were cd'd temporarily to another device or directory ... */
if (f_tmpdir) {
int x;
x = zchdir((char *) savdir); /* ... restore previous directory */
f_tmpdir = 0; /* and remember we did it. */
debug(F111,"ckcpro.w E tmpdir restored",savdir,x);
}
#endif /* CK_TMPDIR */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"ERROR", (char *)epktmsg, "");
#endif /* IKSDB */
RESUME;
}
q { success = 0; QUIT; } /* Ctrl-C or connection loss. */
. { /* Anything not accounted for above */
errpkt((CHAR *)"Unexpected packet type"); /* Give error message */
window(1);
xitsta |= (what & W_KERMIT); /* Save this for doexit(). */
RESUME; /* and quit */
}
%%
/*
From here down to proto() are routines that were moved out of the state
table switcher because the resulting switch() had become too large.
To move the contents of a state-table case to a routine:
1. Add a prototype to the list above the state table switcher.
2. Make a routine with an appropriate name, returning int.
3. Move the code into it.
4. Put a call to the new routine in the former spot:
rc = name_of_routine();
if (rc > -1) return(rc);
5. Add "return(-1);" after every RESUME, SERVE, or BEGIN macro and
at the end if the code is open-ended.
*/
static int
rcv_firstdata() {
extern int dispos;
debug(F101,"rcv_firstdata","",dispos);
if (discard) { /* if we're discarding the file */
ack1((CHAR *)"X"); /* just ack the data like this. */
cancel++; /* and count it */
BEGIN rdpkt; /* and wait for more data packets. */
return(-1);
} else { /* Not discarding. */
rf_err = "Can't open file";
if (xflg) { /* If screen data */
if (remfile) { /* redirected to file */
if (rempipe) /* or pipe */
x = openc(ZOFILE,remdest); /* Pipe: start command */
else
x = opena(remdest,&iattr); /* File: open with attributes */
} else { /* otherwise */
x = opent(&iattr); /* "open" the screen */
}
} else { /* otherwise */
#ifdef CALIBRATE
if (calibrate) { /* If calibration run */
x = ckopenx(&iattr); /* open nothing */
#ifdef STREAMING
if (streaming) /* Streaming */
fastack(); /* ACK without ACKing. */
else
#endif /* STREAMING */
ack(); /* Send real ACK */
BEGIN rdpkt; /* Proceed to next state */
return(-1);
} else
#endif /* CALIBRATE */
#ifdef UNIX
/*
In UNIX we can pipe the file data into the mail program, which is to be
preferred to writing it out to a temp file and then mailing it afterwards.
This depends rather heavily on all UNIXes having a mail command that
accepts '-s "subject"' on the command line. MAILCMD (e.g. mail, Mail, mailx)
is defined in ckufio.c.
*/
if (dispos == 'M') { /* Mail... */
char *s;
char * tmp = NULL;
int n = 0;
extern char *MAILCMD;
s = iattr.disp.val + 1;
n = (int)strlen(MAILCMD) + /* Mail command */
(int)strlen(s) + /* address */
(int)strlen(ofilnam) + 32; /* subject */
if (tmp = (char *)malloc(n)) {
ckmakxmsg(tmp,n,
MAILCMD," -s \"",ofilnam,"\" ",s,
NULL,NULL,NULL,NULL,NULL,NULL,NULL);
debug(F111,"rcv_firsdata mail",tmp,(int)strlen(tmp));
x = openc(ZOFILE,(char *)tmp);
free(tmp);
} else
x = 0;
} else if (dispos == 'P') { /* Ditto for print */
char * tmp = NULL;
int n;
extern char *PRINTCMD;
n = (int)strlen(PRINTCMD) + (int)strlen(iattr.disp.val+1) + 4;
if (tmp = (char *)malloc(n)) {
sprintf(tmp, /* safe (prechecked) */
"%s %s", PRINTCMD, iattr.disp.val + 1);
x = openc(ZOFILE,(char *)tmp);
free(tmp);
} else
x = 0;
} else
#endif /* UNIX */
x = opena(filnam,&iattr); /* open the file, with attributes */
}
if (x) { /* If file was opened ok */
int rc, qf;
#ifndef NOSPL
qf = query;
#else
qf = 0;
#endif /* NOSPL */
#ifdef CKTUNING
rc = (binary && !parity) ?
bdecode(rdatap,putfil):
decode(rdatap, qf ? puttrm : putfil, 1);
#else
rc = decode(rdatap, qf ? puttrm : putfil, 1);
#endif /* CKTUNING */
if (rc < 0) {
errpkt((CHAR *)"Error writing data");
RESUME;
return(-1);
}
#ifdef STREAMING
if (streaming) /* Streaming was negotiated */
fastack(); /* ACK without ACKing. */
else
#endif /* STREAMING */
ack(); /* acknowledge it */
BEGIN rdpkt; /* and switch to receive-data state */
return(-1);
} else { /* otherwise */
errpkt((CHAR *) rf_err); /* send error packet */
RESUME; /* and quit. */
return(-1);
}
}
}
static int
rcv_shortreply() {
#ifdef PKTZEROHACK
success = 0;
debug(F111,"rcv_shortreply",rdatap,ipktlen);
if (ipktack[0] && !strncmp(ipktack,(char *)rdatap,ipktlen)) {
/* No it's the ACK to the I packet again */
x = scmd(vcmd,(CHAR *)cmarg); /* So send the REMOTE command again */
/* Maybe this should be resend() */
debug(F110,"IPKTZEROHACK",ipktack,x);
if (x < 0) {
errpkt((CHAR *)srimsg);
RESUME;
return(-1);
}
} else {
ipktack[0] = NUL;
#endif /* PKTZEROHACK */
urserver = 1;
#ifndef NOSERVER
#ifndef NOSPL
if (query) { /* If to query, */
qbufp = querybuf; /* initialize query response buffer */
qbufn = 0;
querybuf[0] = NUL;
}
#endif /* NOSPL */
x = 1;
if (remfile) { /* Response redirected to file */
rf_err = "Can't open file";
if (rempipe) /* or pipe */
x =
#ifndef NOPUSH
zxcmd(ZOFILE,remdest) /* Pipe: Start command */
#else
0
#endif /* NOPUSH */
;
else
x = opena(remdest,&iattr); /* File: Open with attributes */
debug(F111,"rcv_shortreply remfile",remdest,x);
} else {
x = opent(&iattr); /* "open" the screen */
}
if (x) { /* If file was opened ok */
if (decode(rdatap,
#ifndef NOSPL
(query || !remfile) ? puttrm :
#else
!remfile ? puttrm :
#endif /* NOSPL */
zputfil, 1) < 0) { /* Note: zputfil, not putfil. */
errpkt((CHAR *)"Error writing data");
RESUME;
return(-1);
} else {
if (rdatap) /* If we had data */
if (*rdatap) /* add a line terminator */
if (remfile) { /* to file */
zsoutl(ZOFILE,"");
} else { /* or to screen. */
#ifndef NOICP
if (!query || !xcmdsrc)
#endif /* NOICP */
if (!(quiet && rcdactive))
conoll("");
}
if (bye_active && network) { /* I sent BYE or REMOTE LOGOUT */
msleep(500); /* command and got the ACK... */
bye_active = 0;
ttclos(0);
}
clsof(0);
if (!epktsent && !epktrcvd) /* If no error packet... */
success = 1; /* success. */
RESUME;
return(-1);
}
} else { /* File not opened OK */
errpkt((CHAR *) rf_err); /* send error message */
RESUME; /* and quit. */
return(-1);
}
#endif /* NOSERVER */
#ifdef PKTZEROHACK
}
#endif /* PKTZEROHACK */
debug(F101,"rcv_shortreply fallthru","",success);
return(-1);
}
static int
srv_query() {
#ifndef NOSERVER
#ifndef NOSPL
char c;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE QUERY", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE QUERY", (char *)(srvcmd+2), "");
#endif /* IKSDB */
c = *(srvcmd+2); /* Q = Query, S = Set */
if (c == 'Q') { /* Query */
if (!ENABLED(en_que)) { /* Security */
errpkt((CHAR *)"REMOTE QUERY disabled");
RESUME;
return(-1);
} else { /* Query allowed */
int n; char *p, *q;
qbufp = querybuf; /* Wipe out old stuff */
qbufn = 0;
querybuf[0] = NUL;
p = (char *) srvcmd + 3; /* Pointer for making wrapper */
n = strlen((char *)srvcmd); /* Position of end */
c = *(srvcmd+4); /* Which type of variable */
if (*(srvcmd+6) == CMDQ) { /* Starts with command quote? */
p = (char *) srvcmd + 6; /* Take it literally */
if (*p == CMDQ) p++;
} else { /* They played by the rules */
if (c == 'K') { /* Kermit variable */
int k;
k = (int) strlen(p);
if (k > 0 && p[k-1] == ')') {
p = (char *)(srvcmd + 4);
*(srvcmd+4) = CMDQ;
*(srvcmd+5) = 'f'; /* Function, so make it \f...() */
} else {
*(srvcmd+3) = CMDQ; /* Stuff wrapping into buffer */
*(srvcmd+4) = 'v'; /* Variable, so make it \v(...) */
*(srvcmd+5) = '('; /* around variable name */
*(srvcmd+n) = ')';
*(srvcmd+n+1) = NUL;
}
} else {
*(srvcmd+3) = CMDQ; /* Stuff wrapping into buffer */
*(srvcmd+4) = 'v'; /* Variable, so make it \v(...) */
*(srvcmd+5) = '('; /* around variable name */
*(srvcmd+n) = ')';
*(srvcmd+n+1) = NUL;
if (c == 'S') { /* System variable */
*(srvcmd+4) = '$'; /* so it's \$(...) */
} else if (c == 'G') { /* Non-\ Global variable */
*(srvcmd+4) = 'm'; /* so wrap it in \m(...) */
}
}
} /* Now evaluate it */
n = QBUFL; /* Max length */
q = querybuf; /* Where to put it */
if (zzstring(p,&q,&n) < 0) {
errpkt((n > 0) ? (CHAR *)"Can't get value"
: (CHAR *)"Value too long"
);
RESUME;
return(-1);
} else {
if (encstr((CHAR *)querybuf) > -1) { /* Encode it */
ack1(data); /* If it fits, send it back in ACK */
success = 1;
RESUME;
return(-1);
} else if (sndstring(querybuf)) { /* Long form response */
BEGIN ssinit;
return(-1);
} else { /* sndhlp() fails */
errpkt((CHAR *)"Can't send value");
RESUME;
return(-1);
}
}
}
} else if (c == 'S') { /* Set (assign) */
if (!ENABLED(en_asg)) { /* Security */
errpkt((CHAR *)"REMOTE ASSIGN disabled");
RESUME;
return(-1);
} else { /* OK */
int n;
n = xunchar(*(srvcmd+3)); /* Length of name */
n = 3 + n + 1; /* Position of length of value */
*(srvcmd+n) = NUL; /* Don't need it */
if (addmac((char *)(srvcmd+4),(char *)(srvcmd+n+1)) < 0)
errpkt((CHAR *)"REMOTE ASSIGN failed");
else {
ack();
success = 1;
}
RESUME;
return(-1);
}
} else {
errpkt((CHAR *)"Badly formed server command");
RESUME;
return(-1);
}
#else
errpkt((CHAR *)"Variable query/set not available");
RESUME;
return(-1);
#endif /* NOSPL */
#endif /* NOSERVER */
}
static int
srv_copy() {
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE COPY", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef ZCOPY
if (!ENABLED(en_cpy)) {
errpkt((CHAR *)"REMOTE COPY disabled");
RESUME;
return(-1);
} else {
char *str1, *str2, f1[256], f2[256];
int len1, len2;
len1 = xunchar(srvcmd[1]); /* Separate the parameters */
len2 = xunchar(srvcmd[2+len1]);
strncpy(f1,(char *)(srvcmd+2),len1);
f1[len1] = NUL;
strncpy(f2,(char *)(srvcmd+3+len1),len2);
f2[len2] = NUL;
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE COPY", f1, f2);
#endif /* IKSDB */
if (!ENABLED(en_cwd)) { /* If CWD is disabled */
zstrip(f1,&str1); /* and they included a pathname, */
zstrip(f2,&str2);
if (strcmp(f1,str1) || strcmp(f2,str2)) { /* Refuse. */
errpkt((CHAR *)"Access denied");
RESUME; /* Remember, this is not a goto! */
return(-1);
}
}
if (state == generic) { /* It's OK to go ahead. */
if (zcopy(f1,f2)) { /* Try */
errpkt((CHAR *)"Can't copy file"); /* give error message */
} else {
success = 1;
ack();
}
RESUME; /* wait for next server command */
return(-1);
}
}
return(-1);
#else /* no ZCOPY */
errpkt((CHAR *)"REMOTE COPY not available"); /* give error message */
RESUME; /* wait for next server command */
return(-1);
#endif /* ZCOPY */
#endif /* NOSERVER */
}
static int
srv_rename() {
#ifndef NOSERVER
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE RENAME", (char *)srvcmd);
#endif /* CKSYSLOG */
#ifdef ZRENAME
if (!ENABLED(en_ren)) {
errpkt((CHAR *)"REMOTE RENAME disabled");
RESUME;
return(-1);
} else { /* RENAME is enabled */
char *str1, *str2, f1[256], f2[256];
int len1, len2;
len1 = xunchar(srvcmd[1]); /* Separate the parameters */
len2 = xunchar(srvcmd[2+len1]);
strncpy(f1,(char *)(srvcmd+2),len1);
f1[len1] = NUL;
strncpy(f2,(char *)(srvcmd+3+len1),len2);
f2[len2] = NUL;
len2 = xunchar(srvcmd[2+len1]);
strncpy(f1,(char *)(srvcmd+2),len1);
f1[len1] = NUL;
strncpy(f2,(char *)(srvcmd+3+len1),len2);
f2[len2] = NUL;
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE RENAME", f1, f2);
#endif /* IKSDB */
if (!ENABLED(en_cwd)) { /* If CWD is disabled */
zstrip(f1,&str1); /* and they included a pathname, */
zstrip(f2,&str2);
if ( strcmp(f1,str1) || strcmp(f2,str2) ) { /* refuse. */
errpkt((CHAR *)"Access denied");
RESUME; /* Remember, this is not a goto! */
return(-1);
}
}
if (state == generic) { /* It's OK to go ahead. */
if (zrename(f1,f2)) { /* Try */
errpkt((CHAR *)"Can't rename file"); /* Give error msg */
} else {
success = 1;
ack();
}
RESUME; /* Wait for next server command */
return(-1);
}
}
return(-1);
#else /* no ZRENAME */
/* Give error message */
errpkt((CHAR *)"REMOTE RENAME not available");
RESUME; /* Wait for next server command */
return(-1);
#endif /* ZRENAME */
#endif /* NOSERVER */
}
static int
srv_login() {
#ifndef NOSERVER
char f1[LOGINLEN+1], f2[LOGINLEN+1], f3[LOGINLEN+1];
CHAR *p;
int len, i;
debug(F101,"REMOTE LOGIN x_login","",x_login);
debug(F101,"REMOTE LOGIN x_logged","",x_logged);
f1[0] = NUL; f2[0] = NUL; f3[0] = NUL;
len = 0;
if (srvcmd[1]) /* First length field */
len = xunchar(srvcmd[1]); /* Separate the parameters */
if (x_login) { /* Login required */
if (x_logged) { /* And already logged in */
if (len > 0) { /* Logging in again */
errpkt((CHAR *)"Already logged in.");
} else { /* Logging out */
debug(F101,"REMOTE LOGOUT","",x_logged);
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE LOGOUT", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"REMOTE LOGOUT", "", "");
#endif /* IKSDB */
tlog(F110,"Logged out",x_user,0);
ack1((CHAR *)"Logged out");
success = 1;
msleep(500);
#ifdef CK_LOGIN
x_logged = 0;
#ifdef IKSD
if (inserver)
ckxlogout();
#endif /* IKSD */
#endif /* CK_LOGIN */
}
} else { /* Not logged in yet */
debug(F101,"REMOTE LOGIN len","",len);
if (len > 0) { /* Have username */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "REMOTE LOGIN", NULL);
#endif /* CKSYSLOG */
if (len > LOGINLEN) {
errpkt((CHAR *)"Username too long");
}
p = srvcmd + 2; /* Point to it */
for (i = 0; i < len; i++) /* Copy it */
f1[i] = p[i];
f1[len] = NUL; /* Terminate it */
p += len; /* Point to next length field */
if (*p) { /* If we have one */
len = xunchar(*p++); /* decode it */
if (len > 0 && len <= LOGINLEN) {
for (i = 0; i < len; i++) /* Same deal for password */
f2[i] = p[i];
f2[len] = NUL;
p += len; /* And account */
if (*p) {
len = xunchar(*p++);
if (len > 0 && len <= LOGINLEN) {
for (i = 0; i < len; i++)
f3[i] = p[i]; /* Set but never used */
f3[len] = NUL; /* (because account not used) */
}
}
}
}
debug(F101,"REMOTE LOGIN 1","",x_logged);
#ifdef IKSD
#ifdef CK_LOGIN
if (inserver) { /* Log in to system for real */
x_logged = ckxlogin((CHAR *)f1,(CHAR *)f2,NULL,0);
debug(F101,"REMOTE LOGIN 2","",x_logged);
if (x_logged) { /* Count attempts */
logtries = 0;
justone = 1;
} else {
logtries++;
sleep(logtries);
}
} else
#endif /* CK_LOGIN */
#endif /* IKSD */
if (x_user && x_passwd) { /* User and password must match */
if (!strcmp(x_user,f1)) /* SET SERVER LOGIN */
if (!strcmp(x_passwd,f2))
x_logged = 1;
debug(F101,"REMOTE LOGIN 3","",x_logged);
} else if (x_user) { /* Only username given, no password */
if (!strcmp(x_user,f1)) /* so only username must match */
x_logged = 1;
debug(F101,"REMOTE LOGIN 4","",x_logged);
}
#ifdef CK_LOGIN
else {
x_logged = ckxlogin((CHAR *)f1,(CHAR *)f2,NULL,0);
debug(F101,"REMOTE LOGIN 5","",x_logged);
}
#endif /* CK_LOGIN */
if (x_logged) { /* Logged in? */
tlog(F110,"Logged in", x_user, 0);
if (isguest)
ack1((CHAR *)"Logged in as guest - restrictions apply");
else
ack1((CHAR *)"Logged in");
success = 1;
} else {
tlog(F110,"Login failed", f1, 0);
errpkt((CHAR *)"Access denied.");
#ifdef IKSD
#ifdef CK_LOGIN
if (inserver && logtries > 2)
ckxlogout();
#endif /* CK_LOGIN */
#endif /* IKSD */
}
} else { /* LOGOUT */
errpkt((CHAR *)"Logout ignored");
}
}
} else { /* Login not required */
if (len > 0)
errpkt((CHAR *)"Login ignored.");
else
errpkt((CHAR *)"Logout ignored.");
}
#endif /* NOSERVER */
RESUME;
return(-1);
}
static int
srv_timeout() {
/* K95 does this its own way */
if (idletmo) {
#ifdef IKSD
if (inserver) {
printf("\r\nIKSD IDLE TIMEOUT: %d sec\r\n", srvidl);
doexit(GOOD_EXIT,xitsta);
}
#endif /* IKSD */
idletmo = 0;
printf("\r\nSERVER IDLE TIMEOUT: %d sec\r\n", srvidl);
xitsta |= (what & W_KERMIT);
QUIT;
}
#ifndef NOSERVER
else if (fatalio) { /* Connection lost */
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "Connection lost", NULL);
#endif /* CKSYSLOG */
#ifdef IKSDB
if (ikdbopen) slotstate(what,"SERVER DISCONNECT",(char *)srvcmd, "");
#endif /* IKSDB */
xitsta |= what;
QUIT;
} else if (interrupted) { /* Interrupted by hand */
if (!ENABLED(en_fin)) {
errpkt((CHAR *)"QUIT disabled");
RESUME;
return(-1);
} else {
if (what == W_SEND || what == W_RECV || what == W_REMO) {
success = 0;
#ifdef CKSYSLOG
if (ckxsyslog >= SYSLG_PR && ckxlogging)
cksyslog(SYSLG_PR, 1, "server", "Interrupted", NULL);
#endif /* CKSYSLOG */
} else if (what == W_NOTHING && filcnt == 0) {
success = 1;
} /* Otherwise leave success alone */
xitsta |= (what & W_KERMIT);
QUIT;
}
} else { /* Shouldn't happen */
debug(F100,"SERVER (top) GOT UNEXPECTED 'q'","",0);
QUIT;
}
#endif /* NOSERVER */
}
static int
rcv_s_pkt() {
#ifndef NOSERVER
if (state == rgen)
urserver = 1;
if (/* state == serve && */ x_login && !x_logged) {
errpkt((CHAR *)"Login required");
SERVE;
} else
#endif /* NOSERVER */
if (state == serve && !ENABLED(en_sen)) { /* Not in server mode */
errpkt((CHAR *)"SEND disabled"); /* when SEND is disabled. */
RESUME;
return(-1);
} else { /* OK to go ahead. */
#ifdef CK_TMPDIR
if (dldir && !f_tmpdir) { /* If they have a download directory */
debug(F110,"receive download dir",dldir,0);
if (s = zgtdir()) { /* Get current directory */
debug(F110,"receive current dir",s,0);
if (zchdir(dldir)) { /* Change to download directory */
debug(F100,"receive zchdir ok","",0);
ckstrncpy(savdir,s,TMPDIRLEN);
f_tmpdir = 1; /* Remember that we did this */
} else
debug(F100,"receive zchdir failed","",0);
}
}
#endif /* CK_TMPDIR */
nakstate = 1; /* Can send NAKs from here. */
rinit(rdatap); /* Set parameters */
bctu = bctr; /* Switch to agreed-upon block check */
bctl = (bctu == 4) ? 2 : bctu; /* Set block-check length */
what = W_RECV; /* Remember we're receiving */
lastxfer = W_RECV;
resetc(); /* Reset counters */
rtimer(); /* Reset timer */
#ifdef GFTIMER
rftimer();
#endif /* GFTIMER */
streamon();
BEGIN rfile; /* Go into receive-file state */
}
return(-1);
}
/* END OF ROUTINES MOVED OUT OF STATE MACHINE */
/* P R O T O -- Protocol entry function */
static int is_tn = 0; /* It's a Telnet connection */
#ifdef CK_SPEED
int f_ctlp = 0; /* Control-character prefix table */
#ifdef COMMENT
short s_ctlp[256];
#endif /* COMMENT */
#endif /* CK_SPEED */
/*
This is simply a wrapper for the real protocol function just below,
that saves any items that might be changed automatically by protocol
negotiations and then restores them upon exit from protocol mode.
*/
VOID
proto() {
extern int b_save, f_save, c_save, ss_save, slostart, reliable, urclear;
#ifndef NOCSETS
extern int fcharset, fcs_save, tcharset, tcs_save;
#endif /* NOCSETS */
#ifdef PIPESEND
extern int pipesend;
#endif /* PIPESEND */
#ifndef NOLOCAL
#ifdef OS2
extern int cursorena[], cursor_save, term_io;
extern BYTE vmode;
extern int display_demo;
int term_io_save;
#endif /* OS2 */
#endif /* NOLOCAL */
#ifdef TNCODE
int _u_bin=0, _me_bin = 0;
#ifdef IKS_OPTION
int /* _u_start=0, */ _me_start = 0;
#endif /* IKS_OPTION */
#endif /* TNCODE */
#ifdef PATTERNS
int pa_save;
int i;
#endif /* PATTERNS */
int scan_save;
#ifdef PATTERNS
pa_save = patterns;
#endif /* PATTERNS */
scan_save = filepeek;
myjob = sstate;
#ifdef CK_LOGIN
if (isguest) { /* If user is anonymous */
en_pri = 0; /* disable printing */
en_mai = 0; /* and disable email */
en_del = 0; /* and file deletion */
}
#endif /* CK_LOGIN */
#ifndef NOLOCAL
#ifdef OS2
cursor_save = cursorena[vmode];
cursorena[vmode] = 0;
term_io_save = term_io;
term_io = 0;
#endif /* OS2 */
#endif /* NOLOCAL */
b_save = binary; /* SET FILE TYPE */
f_save = fncnv; /* SET FILE NAMES */
c_save = bctr;
p_save = fnspath;
r_save = recursive;
s_timint = timint;
ss_save = slostart;
#ifndef NOCSETS
fcs_save = fcharset;
tcs_save = tcharset;
#endif /* NOCSETS */
#ifdef COMMENT
/* Don't do this because then user can never find out what happened. */
#ifdef CK_SPEED
for (i = 0; i < 256; i++)
s_ctlp[i] = ctlp[i];
f_ctlp = 1;
#endif /* CK_SPEED */
#endif /* COMMENT */
if (reliable == SET_ON)
slostart = 0;
is_tn = (!local && sstelnet)
#ifdef TNCODE
|| (local && network && ttnproto == NP_TELNET)
#endif /* TNCODE */
;
#ifdef TNCODE
if (is_tn) {
if (tn_b_xfer && !(sstelnet || inserver)) {
/* Save the current state of Telnet Binary */
_u_bin = TELOPT_U(TELOPT_BINARY);
_me_bin = TELOPT_ME(TELOPT_BINARY);
/* If either direction is not Binary attempt to negotiate it */
if (!_u_bin && TELOPT_U_MODE(TELOPT_BINARY) != TN_NG_RF) {
tn_sopt(DO,TELOPT_BINARY);
TELOPT_UNANSWERED_DO(TELOPT_BINARY) = 1;
}
if (!_me_bin && TELOPT_ME_MODE(TELOPT_BINARY) != TN_NG_RF) {
tn_sopt(WILL,TELOPT_BINARY);
TELOPT_UNANSWERED_WILL(TELOPT_BINARY) = 1;
}
if (!(_me_bin && _u_bin))
tn_wait("proto set binary mode");
}
#ifdef IKS_OPTION
#ifdef CK_XYZ
if (protocol != PROTO_K) { /* Non-Kermit protocol selected */
if (TELOPT_U(TELOPT_KERMIT) &&
TELOPT_SB(TELOPT_KERMIT).kermit.u_start) {
iks_wait(KERMIT_REQ_STOP,0); /* Stop the other Server */
/* _u_start = 1; */
}
if (TELOPT_ME(TELOPT_KERMIT) &&
TELOPT_SB(TELOPT_KERMIT).kermit.me_start) {
tn_siks(KERMIT_STOP); /* I'm not servering */
TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 0;
_me_start = 1;
}
} else
#endif /* CK_XYZ */
if (sstate == 'x' || sstate == 'v') { /* Responding to a request */
if (!inserver && TELOPT_U(TELOPT_KERMIT) &&
TELOPT_SB(TELOPT_KERMIT).kermit.u_start) {
iks_wait(KERMIT_REQ_STOP,0); /* Stop the other Server */
/* _u_start = 1; */
}
if (TELOPT_ME(TELOPT_KERMIT) &&
!TELOPT_SB(TELOPT_KERMIT).kermit.me_start) {
tn_siks(KERMIT_START); /* Send Kermit-Server Start */
TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 1;
}
} else { /* Initiating a request */
if (TELOPT_ME(TELOPT_KERMIT) &&
TELOPT_SB(TELOPT_KERMIT).kermit.me_start) {
tn_siks(KERMIT_STOP); /* I'm not servering */
TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 0;
_me_start = 1;
}
if (TELOPT_U(TELOPT_KERMIT) &&
!TELOPT_SB(TELOPT_KERMIT).kermit.u_start) {
/* Send Req-Server-Start */
if (!iks_wait(KERMIT_REQ_START,0)) {
if (sstate != 's') {
success = 0; /* Other Kermit refused to serve */
if (local)
printf("A Kermit Server is not available\r\n");
debug(F110,"proto()",
"A Kermit Server is not available",0);
tlog(F110,"IKS client/server failure",
"A Kermit Server is not available",0);
goto xxprotox;
}
}
}
}
#endif /* IKS_OPTION */
#ifdef CK_ENCRYPTION
if (tn_no_encrypt_xfer && !(sstelnet || inserver)) {
ck_tn_enc_stop();
}
#endif /* CK_ENCRYPTION */
}
#endif /* TNCODE */
if (!xfrint) connoi();
xxproto(); /* Call the real protocol function */
#ifdef IKS_OPTION
xxprotox:
#endif /* IKS_OPTION */
xferstat = success; /* Remember transfer status */
kactive = 0;
#ifdef TNCODE
#ifdef CK_ENCRYPTION
if (tn_no_encrypt_xfer && !(sstelnet || inserver)) {
ck_tn_enc_start();
}
#endif /* CK_ENCRYPTION */
#ifdef IKS_OPTION
if (TELOPT_ME(TELOPT_KERMIT) &&
TELOPT_SB(TELOPT_KERMIT).kermit.me_start && !_me_start) {
tn_siks(KERMIT_STOP); /* Server is stopped */
TELOPT_SB(TELOPT_KERMIT).kermit.me_start = 0;
}
#endif /* IKS_OPTION */
if (is_tn && tn_b_xfer && !(sstelnet || inserver)) {
/* if we negotiated Binary mode try to reset it */
if (!_u_bin) {
/* Check to see if the state changed during the transfer */
if (TELOPT_U(TELOPT_BINARY)) {
tn_sopt(DONT,TELOPT_BINARY);
TELOPT_UNANSWERED_DONT(TELOPT_BINARY) = 1;
} else
_u_bin = 1; /* So we don't call tn_wait() */
}
if (!_me_bin) {
/* Check to see if the state changed during the transfer */
if (TELOPT_ME(TELOPT_BINARY)) {
tn_sopt(WONT,TELOPT_BINARY);
TELOPT_UNANSWERED_WONT(TELOPT_BINARY) = 1;
} else
_me_bin = 1; /* So we don't call tn_wait() */
}
if (!(_me_bin && _u_bin))
tn_wait("proto reset binary mode");
}
#endif /* TNCODE */
#ifdef PATTERNS
patterns = pa_save;
#endif /* PATTERNS */
filepeek = scan_save;
#ifdef STREAMING
streaming = 0;
/* streamok = 0; */
#endif /* STREAMING */
#ifdef COMMENT
#ifdef CK_SPEED
for (i = 0; i < 256; i++)
ctlp[i] = s_ctlp[i];
f_ctlp = 0;
#endif /* CK_SPEED */
#endif /* COMMENT */
urclear = 0;
if (!success) {
xitsta |= (what & W_KERMIT);
tlog(F110," failed:",(char *)epktmsg,0);
}
debug(F111,"proto xferstat",epktmsg,xferstat);
slostart = ss_save;
if (s_timint > -1) { /* Because of REMOTE SET */
timint = s_timint;
s_timint = -1;
}
recursive = r_save;
fnspath = p_save;
if (c_save > -1) { /* Because of REMOTE SET */
bctr = c_save;
c_save = -1;
}
fncnv = f_save;
binary = b_save;
#ifdef PIPESEND
pipesend = 0; /* Next time might not be pipesend */
#endif /* PIPESEND */
#ifndef NOLOCAL
#ifdef OS2
cursorena[vmode] = cursor_save;
term_io = term_io_save;
display_demo = 1;
#endif /* OS2 */
#endif /* NOLOCAL */
}
static VOID
xxproto() {
int x;
long lx;
#ifdef CK_XYZ
#ifdef XYZ_INTERNAL
_PROTOTYP( int pxyz, (int) );
#endif /* XYZ_INTERNAL */
#endif /* CK_XYZ */
char xss[2]; /* String representation of sstate */
xss[0] = sstate;
xss[1] = NUL;
s_timint = timint;
debug(F101,"xxproto entry justone","",justone);
success = 0;
retrieve = 0; /* Reset these ... */
reget = 0;
opkt = 0;
if (local && ttchk() < 0) { /* Giving BYE or FIN */
if (bye_active) { /* but there is no connection */
ttclos(0);
success = 1;
return;
}
/* Ditto for any REMOTE command */
if (sstate == 'g' && cmarg ) {
if (*cmarg == 'L' || *cmarg == 'F' || *cmarg == 'X')
success = 1;
else
printf("?No connection\r\n");
return;
}
}
/* Set up the communication line for file transfer. */
/* NOTE: All of the xxscreen() calls prior to the wart() invocation */
/* could just as easily be printf's or, for that matter, hints. */
if (local && (speed < 0L) && (network == 0)) {
xxscreen(SCR_EM,0,0L,"Sorry, you must 'set speed' first");
return;
}
x = -1;
if (ttopen(ttname,&x,mdmtyp,cdtimo) < 0) {
debug(F111,"failed: proto ttopen local",ttname,local);
xxscreen(SCR_EM,0,0L,"Can't open line");
return;
}
if (x > -1) local = x;
debug(F111,"proto ttopen local",ttname,local);
lx = (local && !network) ? speed : -1;
#ifdef NETCONN
#ifdef CK_SPEED
if (is_tn) {
ctlp[(unsigned)255] = ctlp[CR] = 1;
if (parity == 'e' || parity == 'm') ctlp[127] = 1;
if (flow == FLO_XONX) { /* Also watch out for Xon/Xoff */
ctlp[17] = ctlp[19] = 1;
ctlp[17+128] = ctlp[19+128] = 1;
}
}
#endif /* CK_SPEED */
#endif /* NETCONN */
if (ttpkt(lx,flow,parity) < 0) { /* Put line in packet mode, */
xxscreen(SCR_EM,0,0L,"Can't condition line");
return;
}
if (local && !network && carrier != CAR_OFF) {
int x; /* Serial connection */
x = ttgmdm(); /* with carrier checking */
if (x > -1) {
if (!(x & BM_DCD)) {
debug(F101,"proto ttgmdm","",0);
xxscreen(SCR_EM,0,0L,"Carrier required but not detected");
return;
}
}
}
/* Send remote side's "receive" or "server" startup string, if any */
if (local && ckindex((char *)xss,"srgcjhk",0,0,1)) {
char *s = NULL;
if (
#ifdef IKS_OPTION
/* Don't send auto-blah string if we know other side is serving */
!TELOPT_U(TELOPT_KERMIT) ||
!TELOPT_SB(TELOPT_KERMIT).kermit.u_start
#else
1
#endif /* IKS_OPTION */
) {
if (sstate == 's') { /* Sending file(s) */
s = binary ? ptab[protocol].h_b_init : ptab[protocol].h_t_init;
} else if (protocol == PROTO_K) { /* Command for server */
s = ptab[protocol].h_x_init;
}
}
#ifdef CK_SPEED
#ifndef UNPREFIXZERO
if (protocol == PROTO_K) /* Because of C-strings... */
ctlp[0] = 1;
#endif /* UNPREFIXZERO */
#endif /* CK_SPEED */
if (s) if (*s) { /* If we have a command to send... */
char tmpbuf[356];
int tmpbufsiz = 356;
int stuff = -1, stuff2 = -1, len = 0;
extern int tnlm;
if (sstate == 's') { /* Sending file(s) */
#ifdef CK_XYZ
if (protocol == PROTO_X) {
char * s2;
s2 = cmarg2[0] ? cmarg2 : cmarg;
if ((int)strlen(s) + (int)strlen(s2) + 4 < 356)
sprintf(tmpbuf, s, s2);
else
tmpbuf[0] = NUL;
} else {
#endif /* CK_XYZ */
ckmakmsg(tmpbuf, 356, s, NULL, NULL, NULL);
#ifdef CK_XYZ
}
#endif /* CK_XYZ */
} else { /* Command for server */
ckstrncpy(tmpbuf,s,356);
}
ckstrncat(tmpbuf, "\015",sizeof(tmpbuf));
if (tnlm) /* TERMINAL NEWLINE ON */
stuff = LF; /* Stuff LF */
#ifdef TNCODE
/* TELNET NEWLINE MODE */
if (is_tn) {
switch (TELOPT_ME(TELOPT_BINARY) ? tn_b_nlm : tn_nlm) {
case TNL_CR:
break;
case TNL_CRNUL:
break;
case TNL_CRLF:
stuff2 = stuff;
stuff = LF;
break;
}
}
#endif /* TNCODE */
#ifdef NETCONN
#ifdef TCPSOCKET
#ifdef RLOGCODE
if (network && ttnproto == NP_RLOGIN) {
switch (tn_b_nlm) { /* Always BINARY */
case TNL_CR:
break;
case TNL_CRNUL:
stuff2 = stuff;
stuff = NUL;
break;
case TNL_CRLF:
stuff2 = stuff;
stuff = LF;
break;
}
}
#endif /* RLOGCODE */
#endif /* TCPSOCKET */
#endif /* NETCONN */
len = strlen(tmpbuf);
if (stuff >= 0 && len < tmpbufsiz - 1) {
tmpbuf[len++] = stuff;
if (stuff2 >= 0 && len < tmpbufsiz - 1)
tmpbuf[len++] = stuff2;
tmpbuf[len] = NUL;
}
ttol((CHAR *)tmpbuf,len);
if (protocol == PROTO_K) /* Give remote Kermit time to start */
msleep(400);
}
}
#ifdef CK_XYZ
if (protocol != PROTO_K) { /* Non-Kermit protocol selected */
char tmpbuf[356];
int tmpbufsiz = 356;
char * s = "";
#ifdef CK_TMPDIR
if (sstate == 'v') { /* If receiving and... */
if (dldir && !f_tmpdir) { /* if they have a download directory */
if (s = zgtdir()) { /* Get current directory */
if (zchdir(dldir)) { /* Change to download directory */
ckstrncpy(savdir,s,TMPDIRLEN);
f_tmpdir = 1; /* Remember that we did this */
}
}
}
}
#endif /* CK_TMPDIR */
#ifdef XYZ_INTERNAL /* Internal */
success = !pxyz(sstate);
#else
#ifdef CK_REDIR /* External */
switch (sstate) {
case 's': /* 'Tis better to SEND... */
s = binary ? ptab[protocol].p_b_scmd : ptab[protocol].p_t_scmd;
break;
case 'v': /* ... than RECEIVE */
s = binary ? ptab[protocol].p_b_rcmd : ptab[protocol].p_t_rcmd;
break;
}
if (!s) s = "";
if (*s) {
if (sstate == 's') {
if ((int)strlen(s) + (int)strlen(fspec) < tmpbufsiz) {
sprintf(tmpbuf,s,fspec); /* safe (prechecked) */
tlog(F110,"Sending",fspec,0L);
}
} else {
if ((int)strlen(s) + (int)strlen(cmarg2) < tmpbufsiz) {
sprintf(tmpbuf,s,cmarg2); /* safe (prechecked) */
tlog(F110,"Receiving",cmarg2,0L);
}
}
tlog(F110," via external protocol:",tmpbuf,0);
debug(F110,"ckcpro ttruncmd",tmpbuf,0);
success = ttruncmd(tmpbuf);
tlog(F110," status:",success ? "OK" : "FAILED", 0);
} else {
printf("?Sorry, no external protocol defined for %s\r\n",
ptab[protocol].p_name
);
}
#else
printf(
"Sorry, only Kermit protocol is supported in this version of Kermit\n"
);
#endif /* CK_REDIR */
#endif /* XYZ_INTERNAL */
return;
}
#endif /* CK_XYZ */
#ifdef NTSIGX
conraw();
connoi();
#else
if (!local)
connoi(); /* No console interrupts if remote */
#endif /* NTSIG */
kactive = 1;
if (sstate == 'x') { /* If entering server mode, */
extern int howcalled;
server = 1; /* set flag, */
debug(F101,"server backgrd","",backgrd);
debug(F101,"server quiet","",quiet);
debug(F100,"SHOULD NOT SEE THIS IF IN BACKGROUND!","",0);
if (howcalled == I_AM_SSHSUB) { /* and issue appropriate message. */
ttol((CHAR *)"KERMIT READY TO SERVE...\015\012",26);
} else if (!local) {
if (!quiet && !backgrd
#ifdef IKS_OPTION
&& !TELOPT_ME(TELOPT_KERMIT) /* User was told by negotiation */
#endif /* IKS_OPTION */
) {
conoll(srvtxt);
conoll("KERMIT READY TO SERVE...");
}
} else {
conol("Entering server mode on ");
conoll(ttname);
conoll("Type Ctrl-C to quit.");
if (srvdis) intmsg(-1L);
#ifdef TCPSOCKET
#ifndef NOLISTEN
if (network && tcpsrfd > 0)
ttol((CHAR *)"KERMIT READY TO SERVE...\015\012",26);
#endif /* NOLISTEN */
#endif /* TCPSOCKET */
}
} else
server = 0;
#ifdef VMS
if (!quiet && !backgrd) /* So message doesn't overwrite prompt */
conoll("");
if (local) conres(); /* So Ctrl-C will work */
#endif /* VMS */
/*
If in remote mode, not shushed, not in background, and at top command level,
issue a helpful message telling what to do...
*/
if (!local && !quiet && !backgrd) {
if (sstate == 'v') {
conoll("Return to your local Kermit and give a SEND command.");
conoll("");
conoll("KERMIT READY TO RECEIVE...");
} else if (sstate == 's') {
conoll("Return to your local Kermit and give a RECEIVE command.");
conoll("");
conoll("KERMIT READY TO SEND...");
} else if ( sstate == 'g' || sstate == 'r' || sstate == 'h' ||
sstate == 'j' || sstate == 'c' ) {
conoll("Return to your local Kermit and give a SERVER command.");
conoll("");
conoll((sstate == 'r' || sstate == 'j' || sstate == 'h') ?
"KERMIT READY TO GET..." :
"KERMIT READY TO SEND SERVER COMMAND...");
}
}
#ifdef COMMENT
if (!local) sleep(1);
#endif /* COMMENT */
/*
The 'wart()' function is generated by the wart program. It gets a
character from the input() routine and then based on that character and
the current state, selects the appropriate action, according to the state
table above, which is transformed by the wart program into a big case
statement. The function is active for one transaction.
*/
rtimer(); /* Reset elapsed-time timer */
#ifdef GFTIMER
rftimer();
#endif /* GFTIMER */
resetc(); /* & other per-transaction counters. */
debug(F101,"proto calling wart, justone","",justone);
wart(); /* Enter the state table switcher. */
/*
Note: the following is necessary in case we have just done a remote-mode
file transfer, in which case the controlling terminal modes have been
changed by ttpkt(). In particular, special characters like Ctrl-C and
Ctrl-\ might have been turned off (see ttpkt). So this call to ttres() is
essential. IMPORTANT: restore interrupt handlers first, otherwise any
terminal interrupts that occur before this is done in the normal place
later will cause a crash.
*/
#ifdef OS2
ttres(); /* Reset the communication device */
#else
if (!local) {
setint(); /* Arm interrupt handlers FIRST */
msleep(500);
ttres(); /* Then restore terminal. */
}
#endif /* OS2 */
xxscreen(SCR_TC,0,0L,""); /* Transaction complete */
x = quiet;
quiet=1;
clsif(); /* Failsafe in case we missed */
clsof(1); /* a case in the state machine. */
quiet = x;
if (server) { /* Back from packet protocol. */
if (!quiet && !backgrd
#ifdef IKSD
&& !inserver
#endif /* IKSD */
) { /* Give appropriate message */
conoll("");
conoll("C-Kermit server done");
}
server = 0; /* Not a server any more */
}
}
/* S G E T I N I T -- Handle incoming GET-Class packets */
/*
Returns:
-1: On error
0: GET packet processed OK - ready to Send.
1: Extended GET processed OK - wait for another.
*/
static int
sgetinit(reget,xget) int reget, xget; { /* Server end of GET command */
char * fs = NULL; /* Pointer to filespec */
int i, n, done = 0;
#ifdef PIPESEND
extern int usepipes, pipesend;
#endif /* PIPESEND */
extern int nolinks;
if (!ENABLED(en_get)) { /* Only if not disabled! */
errpkt((CHAR *)"GET disabled");
return(-1);
}
/* OK to proceed */
nolinks = recursive;
filcnt = 0;
#ifdef WHATAMI
/* If they are alike this was already done in whoarewe() */
debug(F101,"sgetinit whatru","",whatru);
if (whatru & WMI_FLAG) { /* Did we get WHATAMI info? */
debug(F101,"sgetinit binary (1)","",binary);
#ifdef VMS
if (binary != XYFT_I && binary != XYFT_L)
#else
#ifdef OS2
if (binary != XYFT_L)
#endif /* OS2 */
#endif /* VMS */
binary = (whatru & WMI_FMODE) ? /* Yes, set file type */
XYFT_B : XYFT_T; /* automatically */
debug(F101,"sgetinit binary (2)","",binary);
if (!wearealike)
fncnv = (whatru & WMI_FNAME) ? 1 : 0; /* And name conversion */
}
#endif /* WHATAMI */
fs = (char *)srvcmd;
srvptr = srvcmd; /* Point to server command buffer */
decode(rdatap,putsrv,0); /* Decode the GET command into it */
/* Accept multiple filespecs */
cmarg2 = ""; /* Don't use cmarg2 */
cmarg = ""; /* Don't use cmarg */
done = 1; /* Only 1 packet needed... */
if (xget) { /* Special decoding for Extended GET */
char L, next, c; /* PLV items */
int len, val; /* More PLV items */
char * p = (char *)srvcmd; /* String to decode */
done = 0; /* Maybe more packets needed */
fs = NULL; /* We don't know the filespec yet */
c = *p++; /* Get first parameter */
while (c) { /* For all parameters... */
debug(F000,"sgetinit c","",c);
L = *p++; /* Get length */
if (L >= SP) /* Decode length */
len = xunchar(L);
else if (c == '@') { /* Allow missing EOP length field */
len = 0;
} else {
len = (xunchar(*p++) * 95);
len += xunchar(*p++);
}
debug(F101,"sgetinit len","",len);
next = *(p+len); /* Get next parameter */
*(p+len) = NUL; /* Zero it out to terminal value */
debug(F110,"sgetinit p",p,0);
switch (c) { /* Do the parameter */
case 'O': /* GET Options */
val = atoi(p); /* Convert to int */
debug(F101,"sgetinit O val","",val);
if (val & GOPT_DEL) moving = 1;
if (val & GOPT_RES) reget = 1;
if (val & GOPT_REC) {
recursive = 1;
nolinks = 2;
if (fnspath == PATH_OFF)
fnspath = PATH_REL;
}
break;
case 'M': /* Transfer Mode */
val = atoi(p);
debug(F101,"sgetinit M val","",val);
if (val < 1)
break;
patterns = 0; /* Takes precedence over patterns */
filepeek = 0; /* and FILE SCAN */
if (val == GMOD_TXT) binary = XYFT_T; /* Text */
if (val == GMOD_BIN) binary = XYFT_B; /* Binary */
if (val == GMOD_LBL) binary = XYFT_L; /* Labeled */
break;
case 'F': /* Filename */
fs = p;
debug(F110,"sgetinit filename",fs,0);
break;
case '@': /* End Of Parameters */
done = 1;
debug(F100,"sgetinit EOP","",0);
break;
default:
errpkt((CHAR *)"Unknown GET Parameter");
debug(F100,"sgetinit unknown parameter","",0);
return(-1);
}
p += (len + 1);
c = next;
}
}
if (!fs) fs = ""; /* A filename is required */
if (*fs) {
havefs = 1;
n = 0; /* Check for quoted name */
if ((n = strlen(fs)) > 1) {
/* Note: this does not allow for multiple quoted names */
if ((fs[0] == '{' && fs[n-1] == '}') ||
(fs[0] == '"' && fs[n-1] == '"')) {
fs[n-1] = '\0';
fs++;
debug(F111,"sgetinit unquoted filename",fs,n);
} else
n = 0; /* This means no quoting */
}
#ifdef PIPESEND
debug(F111,"sgetinit",fs,usepipes);
if (usepipes && ENABLED(en_hos) && *fs == '!') {
cmarg = fs + 1; /* Point past the bang */
*fs = NUL;
nfils = -1;
pipesend = 1;
debug(F111,"sgetinit pipesend",cmarg,pipesend);
}
if (!pipesend) { /* If it's not a pipe */
#endif /* PIPESEND */
if (n == 0) { /* If the name was not quoted */
#ifndef NOMSEND
nfils = fnparse(fs); /* Allow it to be a list of names */
debug(F111,"sgetinit A",fs,nfils);
#ifdef COMMENT
/* This doesn't work if a GET-PATH is set. */
if (nfils == 1 && !iswild(fs)) { /* Single file */
char * m;
if ((x = zchki(fs)) < 0) { /* Check if it's sendable */
switch (x) {
case -1: m = "File not found"; break;
case -2: m = "Not a regular file"; break;
case -3: m = "Read access denied"; break;
}
errpkt((CHAR *)m);
return(-1);
}
}
#endif /* COMMENT */
} else { /* If it was quoted */
#endif /* NOMSEND */
nzxopts = 0;
#ifdef UNIXOROSK
if (matchdot) nzxopts |= ZX_MATCHDOT;
#endif /* UNIXOROSK */
if (recursive) nzxopts |= ZX_RECURSE;
/* Treat as a single filespec */
nfils = 0 - nzxpand(fs,nzxopts);
debug(F111,"sgetinit B",fs,nfils);
cmarg = fs;
}
#ifdef PIPESEND
}
#endif /* PIPESEND */
}
if (!done) { /* Need more O packets... */
debug(F100,"sgetinit O-Packet TBC","",0); /* To Be Continued */
return(1);
}
debug(F100,"sgetinit O-Packet done - havefs","",havefs);
if (!havefs) { /* Done - make sure we have filename */
errpkt((CHAR *)"GET without filename");
return(-1);
}
freerpkt(winlo);
winlo = 0; /* Back to packet 0 again. */
debug(F101,"sgetinit winlo","",winlo);
nakstate = 0; /* Now I'm the sender! */
if (reget) sendmode = SM_RESEND;
if (sinit() > 0) { /* Send Send-Init */
#ifdef STREAMING
if (!streaming)
#endif /* STREAMING */
timint = chktimo(rtimo,timef); /* Switch to per-packet timer */
return(0); /* If successful, switch state */
} else return(-1); /* Else back to server command wait */
}
#else /* NOXFER */
#include "ckcdeb.h"
VOID
proto() {
extern int success;
success = 0;
}
#endif /* NOXFER */
|