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
|
/*
** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "auth.h"
#include "authmod.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <signal.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>
#include "authwait.h"
static const char rcsid[]="$Id: authmoduser2.c,v 1.7 2000/05/02 04:31:49 mrsam Exp $";
int authmoduser(int argc, char **argv, unsigned timeout, unsigned errsleep)
{
const char *p;
int rc;
char namebuf[60];
int n;
time_t t, expinterval;
char *q, *r;
int waitstat;
signal(SIGCHLD, SIG_DFL);
while (wait(&waitstat) >= 0)
;
p=getenv("AUTHUSER");
if (!p && argc && argv[0][0] == '/')
/* Set AUTHUSER from argv[0] */
{
q=malloc(sizeof("AUTHUSER=")+strlen(argv[0]));
if (!q)
{
perror("malloc");
authexit(1);
}
strcat(strcpy(q, "AUTHUSER="), argv[0]);
putenv(q);
}
else if (!p || *p != '/')
{
write(2, argv[0], strlen(argv[0]));
write(2, ": AUTHUSER is not initialized to a complete path\n",
49);
authexit(1);
}
putenv("AUTHENTICATED=");
if (argc < 2)
{
write(2, "AUTHFAILURE\n", 12);
authexit(1);
}
p=getenv("AUTHARGC");
rc= p && *p && *p != '0' ? 0:1;
sprintf(namebuf, "AUTHARGC=%d", argc);
r=strdup(namebuf);
if (!r)
{
perror("strdup");
authexit(1);
}
putenv(r);
for (n=0; n<argc; n++)
{
char *p;
sprintf(namebuf, "AUTHARGV%d=", n);
p=malloc(strlen(namebuf)+1+strlen(argv[n]));
if (!p)
{
perror("malloc");
authexit(1);
}
strcat(strcpy(p, namebuf), argv[n]);
putenv(p);
}
if (rc == 0 && errsleep) sleep(errsleep);
time(&t);
p=getenv("AUTHEXPIRE");
if (p && isdigit((int)(unsigned char)*p))
{
expinterval=0;
do
{
expinterval=expinterval * 10 + (*p++ - '0');
} while ( isdigit((int)(unsigned char)*p) );
}
else
{
time_t n;
expinterval=t + timeout;
q=namebuf+sizeof(namebuf)-1;
*q=0;
n=expinterval;
do
{
*--q = '0' + ( n % 10 );
} while ( (n = n/10) != 0);
q -= sizeof("AUTHEXPIRE=")-1;
memcpy(q, "AUTHEXPIRE=", sizeof("AUTHEXPIRE=")-1);
q=strdup(q);
if (!q)
{
perror("strdup");
authexit(1);
}
putenv(q);
}
if (timeout)
{
if (expinterval <= t) authexit(1);
alarm(expinterval - t);
}
return (rc);
}
|
