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
|
#if !defined(lint) && !defined(DOS)
static char rcsid[] = "$Id: remote.c 1032 2008-04-11 00:30:04Z hubert@u.washington.edu $";
#endif
/*
* ========================================================================
* Copyright 2006-2008 University of Washington
* Copyright 2013-2015 Eduardo Chappa
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include "headers.h"
#include "remote.h"
#include "keymenu.h"
#include "mailview.h"
#include "status.h"
#include "radio.h"
#include "../pith/msgno.h"
#include "../pith/filter.h"
#include "../pith/util.h"
#include "../pith/conf.h"
#include "../pith/tempfile.h"
#include "../pith/margin.h"
/*
* Internal prototypes
*/
int rd_answer_forge_warning(int, MSGNO_S *, SCROLL_S *);
int
rd_prompt_about_forged_remote_data(int reason, REMDATA_S *rd, char *extra)
{
char tmp[2000];
char *unknown = "<unknown>";
int rv = -1;
char *foldertype, *foldername, *special;
foldertype = (rd && rd->t.i.special_hdr && !strucmp(rd->t.i.special_hdr, REMOTE_ABOOK_SUBTYPE)) ? "address book" : (rd && rd->t.i.special_hdr && !strucmp(rd->t.i.special_hdr, REMOTE_PINERC_SUBTYPE)) ? "configuration" : "data";
foldername = (rd && rd->rn) ? rd->rn : unknown;
special = (rd && rd->t.i.special_hdr) ? rd->t.i.special_hdr : unknown;
dprint((1, "rd_check_out_forged_remote_data:\n"));
dprint((1, " reason=%d\n", reason));
dprint((1, " folder_type=%s\n", foldertype ? foldertype : "?"));
dprint((1, " remotename=%s\n\n", foldername ? foldername : "?"));
if(rd && rd->flags & USER_SAID_NO)
return rv;
if(reason == -2){
dprint((1, "The special header \"%s\" is missing from the last message in the folder.\nThis indicates that something is wrong.\nYou should probably answer \"No\"\nso that you don't use the corrupt data.\nThen you should investigate further.\n", special ? special : "?"));
}
else if(reason == -1){
dprint((1, "The last message in the folder contains \"Received\" headers.\nThis usually indicates that the message was put there by the mail\ndelivery system. Alpine does not add those Received headers.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n"));
}
else if(reason == 0){
dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (%s)\nafter it. This could indicate that something is wrong.\nThis value should not normally be put there by Alpine.\nHowever, since there are no Received lines in the message we choose to\nbelieve that everything is ok and we will proceed.\n",
special ? special : "?", (extra && *extra) ? extra : "?"));
}
else if(reason == 1){
dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (1)\nafter it. It appears that it may have been put there by an Pine\nwith a version number less than 4.50.\nSince there are no Received lines in the message we choose to believe that\nthe header was added by an old Pine and we will proceed.\n",
special ? special : "?"));
}
else if(reason > 1){
dprint((1, "The special header \"%s\" in the last message\nin the folder has an unexpected value (%s)\nafter it. This is the right sort of value that Alpine would normally put there,\nbut it doesn't match the value from the first message in the folder.\nThis may indicate that something is wrong.\nHowever, since there are no Received lines in the message we choose to\nbelieve that everything is ok and we will proceed.\n",
special ? special : "?", (extra && *extra) ? extra : "?"));
}
if(reason >= 0){
/*
* This check should not really be here. We have a cookie that
* has the wrong value so something is possibly wrong.
* But we are worried that old pines will put the bad value in
* there (which they will) and then the questions will bother
* users and mystify them. So we're just going to pretend the user
* said Yes in this case, and we'll try to fix the cookie.
* We still catch Received lines and use that or the complete absence
* of a special header as indicators of trouble.
*/
rd->flags |= USER_SAID_YES;
return(1);
}
if(ps_global->ttyo){
SCROLL_S sargs;
STORE_S *in_store, *out_store;
gf_io_t pc, gc;
HANDLE_S *handles = NULL;
int the_answer = 'n';
if(!(in_store = so_get(CharStar, NULL, EDIT_ACCESS)) ||
!(out_store = so_get(CharStar, NULL, EDIT_ACCESS)))
goto try_wantto;
/* TRANSLATORS: the first %s is the folder type, it may be address book or
configuration. The second %s is the folder name. Of course, the HTML
tags should be left as is. */
snprintf(tmp, sizeof(tmp), _("<HTML><P>The data in the remote %s folder<P><CENTER>%s</CENTER><P>looks suspicious. The reason for the suspicion is<P><CENTER>"),
foldertype, foldername);
tmp[sizeof(tmp)-1] = '\0';
so_puts(in_store, tmp);
if(reason == -2){
snprintf(tmp, sizeof(tmp), _("header \"%s\" is missing</CENTER><P>The special header \"%s\" is missing from the last message in the folder. This indicates that something is wrong. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
special, special);
tmp[sizeof(tmp)-1] = '\0';
so_puts(in_store, tmp);
}
else if(reason == -1){
so_puts(in_store, _("\"Received\" headers detected</CENTER><P>The last message in the folder contains \"Received\" headers. This usually indicates that the message was put there by the mail delivery system. Alpine does not add those Received headers. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."));
}
else if(reason == 0){
snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (%s) after it. This probably indicates that something is wrong. This value would not normally be put there by Alpine. You should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
special, special, (extra && *extra) ? extra : "?");
tmp[sizeof(tmp)-1] = '\0';
so_puts(in_store, tmp);
}
else if(reason == 1){
snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (1) after it. It appears that it may have been put there by a Pine with a version number less than 4.50. If you believe that you have changed this data with an older Pine more recently than you've changed it with this version of Alpine, then you can probably safely answer \"Yes\". If you do not understand why this has happened, you should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
special, special);
tmp[sizeof(tmp)-1] = '\0';
so_puts(in_store, tmp);
}
else if(reason > 1){
snprintf(tmp, sizeof(tmp), _("Unexpected value for header \"%s\"</CENTER><P>The special header \"%s\" in the last message in the folder has an unexpected value (%s) after it. This is the right sort of value that Alpine would normally put there, but it doesn't match the value from the first message in the folder. This may indicate that something is wrong. Unless you understand why this has happened, you should probably answer \"No\" so that you don't use the corrupt data. Then you should investigate further."),
special, special, (extra && *extra) ? extra : "?");
tmp[sizeof(tmp)-1] = '\0';
so_puts(in_store, tmp);
}
so_seek(in_store, 0L, 0);
init_handles(&handles);
gf_filter_init();
gf_link_filter(gf_html2plain,
gf_html2plain_opt(NULL,
ps_global->ttyo->screen_cols, non_messageview_margin(),
&handles, NULL, GFHP_LOCAL_HANDLES));
gf_set_so_readc(&gc, in_store);
gf_set_so_writec(&pc, out_store);
gf_pipe(gc, pc);
gf_clear_so_writec(out_store);
gf_clear_so_readc(in_store);
memset(&sargs, 0, sizeof(SCROLL_S));
sargs.text.handles = handles;
sargs.text.text = so_text(out_store);
sargs.text.src = CharStar;
sargs.bar.title = _("REMOTE DATA FORGERY WARNING");
sargs.proc.tool = rd_answer_forge_warning;
sargs.proc.data.p = (void *)&the_answer;
sargs.keys.menu = &forge_keymenu;
setbitmap(sargs.keys.bitmap);
scrolltool(&sargs);
if(the_answer == 'y'){
rv = 1;
rd->flags |= USER_SAID_YES;
}
else if(rd)
rd->flags |= USER_SAID_NO;
ps_global->mangled_screen = 1;
ps_global->painted_body_on_startup = 0;
ps_global->painted_footer_on_startup = 0;
so_give(&in_store);
so_give(&out_store);
free_handles(&handles);
}
else{
char *p = tmp;
snprintf(p, sizeof(tmp), _("\nThe data in the remote %s folder\n\n %s\n\nlooks suspicious. The reason for the suspicion is\n\n "),
foldertype, foldername);
tmp[sizeof(tmp)-1] = '\0';
p += strlen(p);
if(reason == -2){
snprintf(p, sizeof(tmp)-(p-tmp), _("header \"%s\" is missing\n\nThe special header \"%s\" is missing from the last message\nin the folder. This indicates that something is wrong.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n\n"),
special, special);
tmp[sizeof(tmp)-1] = '\0';
}
else if(reason == -1){
snprintf(p, sizeof(tmp)-(p-tmp), _("\"Received\" headers detected\n\nThe last message in the folder contains \"Received\" headers.\nThis usually indicates that the message was put there by the\nmail delivery system. Alpine does not add those Received headers.\nYou should probably answer \"No\" so that you don't use the corrupt data.\nThen you should investigate further.\n\n"));
tmp[sizeof(tmp)-1] = '\0';
}
else if(reason == 0){
snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected value (%s) after it. This probably\nindicates that something is wrong. This value would not normally be put\nthere by Alpine. You should probably answer \"No\" so that you don't use\nthe corrupt data. Then you should investigate further.\n\n"),
special, special, (extra && *extra) ? extra : "?");
tmp[sizeof(tmp)-1] = '\0';
}
else if(reason == 1){
snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected value (1) after it. It appears that it may have been\nput there by a Pine with a version number less than 4.50.\nIf you believe that you have changed this data with an older Pine more\nrecently than you've changed it with this version of Alpine, then you can\nprobably safely answer \"Yes\". If you do not understand why this has\nhappened, you should probably answer \"No\" so that you don't use the\ncorrupt data. Then you should investigate further.\n\n"),
special, special);
tmp[sizeof(tmp)-1] = '\0';
}
else if(reason > 1){
snprintf(p, sizeof(tmp)-(p-tmp), _("Unexpected value for header \"%s\"\n\nThe special header \"%s\" in the last message in the folder\nhas an unexpected\nvalue (%s) after it. This is\nthe right sort of value that Alpine would normally put there, but it\ndoesn't match the value from the first message in the folder. This may\nindicate that something is wrong. Unless you understand why this has happened,\nyou should probably answer \"No\" so that you don't use the\ncorrupt data. Then you should investigate further.\n\n"),
special, special, (extra && *extra) ? extra : "?");
tmp[sizeof(tmp)-1] = '\0';
}
try_wantto:
p += strlen(p);
snprintf(p, sizeof(tmp)-(p-tmp), _("Suspicious data in \"%s\": Continue anyway "),
(rd && rd->t.i.special_hdr) ? rd->t.i.special_hdr
: unknown);
tmp[sizeof(tmp)-1] = '\0';
if(want_to(tmp, 'n', 'x', NO_HELP, WT_NORM) == 'y'){
rv = 1;
rd->flags |= USER_SAID_YES;
}
else if(rd)
rd->flags |= USER_SAID_NO;
}
if(rv < 0)
q_status_message1(SM_ORDER, 1, 3, _("Can't open remote %s"),
(rd && rd->rn) ? rd->rn : "<noname>");
return(rv);
}
int
rd_answer_forge_warning(int cmd, MSGNO_S *msgmap, SCROLL_S *sparms)
{
int rv = 1;
ps_global->next_screen = SCREEN_FUN_NULL;
switch(cmd){
case MC_YES :
*(int *)(sparms->proc.data.p) = 'y';
break;
case MC_NO :
*(int *)(sparms->proc.data.p) = 'n';
break;
default:
alpine_panic("Unexpected command in rd_answer_forge_warning");
break;
}
return(rv);
}
char *
rd_metadata_name(void)
{
char *p, *q, *metafile;
char path[MAXPATH], pinerc_dir[MAXPATH];
struct variable *vars = ps_global->vars;
dprint((9, "rd_metadata_name\n"));
pinerc_dir[0] = '\0';
if(ps_global->pinerc){
char *prcn = ps_global->pinerc;
char *lc;
if((lc = last_cmpnt(prcn)) != NULL){
int to_copy;
to_copy = (lc - prcn > 1) ? (lc - prcn - 1) : 1;
strncpy(pinerc_dir, prcn, MIN(to_copy, sizeof(pinerc_dir)-1));
pinerc_dir[MIN(to_copy, sizeof(pinerc_dir)-1)] = '\0';
}
else{
pinerc_dir[0] = '.';
pinerc_dir[1] = '\0';
}
}
/*
* If there is no metadata file specified in the pinerc, create a filename.
*/
if(!(VAR_REMOTE_ABOOK_METADATA && VAR_REMOTE_ABOOK_METADATA[0])){
if(pinerc_dir[0] && (p = tempfile_in_same_dir(ps_global->pinerc,
meta_prefix, NULL))){
/* fill in the pinerc variable */
q = p + strlen(pinerc_dir) + 1;
set_variable(V_REMOTE_ABOOK_METADATA, q, 1, 0, Main);
dprint((2, "creating name for metadata file: %s\n",
q ? q : "?"));
/* something's broken, return NULL rab */
if(!VAR_REMOTE_ABOOK_METADATA || !VAR_REMOTE_ABOOK_METADATA[0]){
our_unlink(p);
fs_give((void **)&p);
return(NULL);
}
fs_give((void **)&p);
}
else{
q_status_message(SM_ORDER, 3, 5,
"can't create metadata file in pinerc directory, continuing");
return(NULL);
}
}
build_path(path, pinerc_dir ? pinerc_dir : NULL,
VAR_REMOTE_ABOOK_METADATA, sizeof(path));
metafile = path;
/*
* If the metadata file doesn't exist, create it.
*/
if(can_access(metafile, ACCESS_EXISTS) != 0){
int fd;
if((fd = our_open(metafile, O_CREAT|O_EXCL|O_WRONLY|O_BINARY, 0600)) < 0){
set_variable(V_REMOTE_ABOOK_METADATA, NULL, 1, 0, Main);
q_status_message2(SM_ORDER, 3, 5,
"can't create cache file %.200s, continuing (%.200s)",
metafile, error_description(errno));
dprint((2, "can't create metafile %s: %s\n",
metafile ? metafile : "?", error_description(errno)));
return(NULL);
}
dprint((2, "created metadata file: %s\n",
metafile ? metafile : "?"));
(void)close(fd);
}
return(cpystr(metafile));;
}
|