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
|
/*
* ================================================================
* Please view:
*
* README for program information.
* COPYING for distribution information.
*
* based on ident2 by Michael Bacarella (defile@nyct.net)
*
* ================================================================
*/
#include "xtelld.h"
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
/* ------------------------------------------------------------------
* get_request : a fgets for file descriptors
* ------------------------------------------------------------------
*/
short int get_request(int d, char buffer[], unsigned short int len)
{
unsigned short i;
char ch;
memset(buffer, 0, len);
for (i = 0; i < len; i++) {
if (read(d, &ch, 1) != 1)
return -1;
else if (ch == '\n')
break;
else if (ch == '\r') {
read(d, &ch, 1); /* it better be \n */
break;
} else
buffer[i] = ch;
}
buffer[i] = '\0';
return i;
}
int logFILE(const char *fromluser)
{
int filedes;
char *path;
struct passwd *passs;
struct stat s;
if ((passs = getpwnam(fromluser)) != NULL) {
path = malloc(strlen(passs->pw_dir) + sizeof(LOGFILE) + 1);
if (path == NULL)
return -1;
strcpy(path, passs->pw_dir);
strcat(path, "/");
strcat(path, LOGFILE);
#ifdef O_NOFOLLOW
if ((filedes = open(path, O_WRONLY | O_APPEND | O_NOFOLLOW)) != -1) {
#else
if ((filedes = open(path, O_WRONLY | O_APPEND)) != -1) {
#endif
if (fstat(filedes, &s) == 0) {
if (S_ISREG(s.st_mode)) {
free(path);
return filedes;
}
}
}
free(path);
}
return -1;
}
/* ------------------------------------------------------------------
* killsock:
* violently kills a socket
* ------------------------------------------------------------------
*/
void killsock(int s)
{
shutdown(s, 2);
close(s);
}
|
