2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include <afs/param.h>
27 #ifdef AFS_KERBEROS_ENV
28 #include <sys/types.h>
32 #include "AFS_component_version_number.c"
34 extern afs_int32 setpag();
42 char *shell = "/bin/sh";
46 * The following signal action for AIX is necessary so that in case of a
47 * crash (i.e. core is generated) we can include the user's data section
48 * in the core dump. Unfortunately, by default, only a partial core is
49 * generated which, in many cases, isn't too useful.
53 sigemptyset(&nsa.sa_mask);
54 nsa.sa_handler = SIG_DFL;
55 nsa.sa_flags = SA_FULLDUMP;
56 sigaction(SIGSEGV, &nsa, NULL);
62 fprintf(stderr, "Intruder alert.\n");
64 /* shell = pwe->pw_shell; */
69 #ifdef AFS_KERBEROS_ENV
77 fprintf(stderr, "No shell\n");
82 #ifdef AFS_KERBEROS_ENV
83 /* stolen from auth/ktc.c */
85 static afs_uint32 curpag()
87 afs_uint32 groups[30];
91 if (getgroups(30, groups) < 2) return 0;
93 g0 = groups[0] & 0xffff;
94 g1 = groups[1] & 0xffff;
97 if ((g0 < 0xc000) && (g1 < 0xc000)) {
98 l = ((g0 & 0x3fff) << 14) | (g1 & 0x3fff);
100 h = (g1 >> 14) + h + h + h;
101 ret = ((h << 28) | l);
102 /* Additional testing */
103 if (((ret >> 24) & 0xff) == 'A')
113 extern char **environ;
117 char fname[256], *prefix = "/ticket/";
119 char **newenv, **senv, **denv;
121 if (stat("/ticket", &sbuf) == -1) {
125 pag = curpag() & 0xffffffff;
127 sprintf(fname, "%s%d", prefix, getuid());
130 sprintf(fname, "%sp%ld", prefix, pag);
132 /* ktc_set_tkt_string(fname); */
134 for (senv=environ, numenv=0; *senv; senv++) numenv++;
135 newenv = (char **)malloc((numenv+2) * sizeof(char *));
137 for (senv=environ, denv=newenv; *senv; *senv++) {
138 if (strncmp(*senv, "KRBTKFILE=", 10) != 0) *denv++ = *senv;
141 *denv = malloc(10 + strlen(fname) + 1);
142 strcpy(*denv, "KRBTKFILE=");
143 strcat(*denv, fname);