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--- session.c.orig Mon Oct 23 14:01:56 2006
+++ session.c Fri Nov 10 12:21:51 2006
@@ -776,6 +776,24 @@
{
FILE *f;
char buf[256];
+#ifdef HAVE_LOGIN_CAP
+ const char *fname;
+#endif
+
+#ifdef HAVE_LOGIN_CAP
+ fname = login_getcapstr(lc, "copyright", NULL, NULL);
+ if (fname != NULL && (f = fopen(fname, "r")) != NULL) {
+ while (fgets(buf, sizeof(buf), f) != NULL)
+ fputs(buf, stdout);
+ fclose(f);
+ } else
+#endif /* HAVE_LOGIN_CAP */
+ (void)printf("%s\n\t%s %s\n",
+ "Copyright (c) 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994",
+ "The Regents of the University of California. ",
+ "All rights reserved.");
+
+ (void)printf("\n");
if (options.print_motd) {
#ifdef HAVE_LOGIN_CAP
@@ -1004,6 +1022,9 @@
struct passwd *pw = s->pw;
#ifndef HAVE_LOGIN_CAP
char *path = NULL;
+#else
+ extern char **environ;
+ char **senv, **var;
#endif
/* Initialize the environment. */
@@ -1025,6 +1046,9 @@
}
#endif
+ if (getenv("TZ"))
+ child_set_env(&env, &envsize, "TZ", getenv("TZ"));
+
#ifdef GSSAPI
/* Allow any GSSAPI methods that we've used to alter
* the childs environment as they see fit
@@ -1044,11 +1068,22 @@
child_set_env(&env, &envsize, "LOGIN", pw->pw_name);
#endif
child_set_env(&env, &envsize, "HOME", pw->pw_dir);
+ snprintf(buf, sizeof buf, "%.200s/%.50s",
+ _PATH_MAILDIR, pw->pw_name);
+ child_set_env(&env, &envsize, "MAIL", buf);
#ifdef HAVE_LOGIN_CAP
- if (setusercontext(lc, pw, pw->pw_uid, LOGIN_SETPATH) < 0)
- child_set_env(&env, &envsize, "PATH", _PATH_STDPATH);
- else
- child_set_env(&env, &envsize, "PATH", getenv("PATH"));
+ child_set_env(&env, &envsize, "PATH", _PATH_STDPATH);
+ child_set_env(&env, &envsize, "TERM", "su");
+ senv = environ;
+ environ = xmalloc(sizeof(char *));
+ *environ = NULL;
+ (void) setusercontext(lc, pw, pw->pw_uid,
+ LOGIN_SETENV|LOGIN_SETPATH);
+ copy_environment(environ, &env, &envsize);
+ for (var = environ; *var != NULL; ++var)
+ xfree(*var);
+ xfree(environ);
+ environ = senv;
#else /* HAVE_LOGIN_CAP */
# ifndef HAVE_CYGWIN
/*
@@ -1069,15 +1104,9 @@
# endif /* HAVE_CYGWIN */
#endif /* HAVE_LOGIN_CAP */
- snprintf(buf, sizeof buf, "%.200s/%.50s",
- _PATH_MAILDIR, pw->pw_name);
- child_set_env(&env, &envsize, "MAIL", buf);
-
/* Normal systems set SHELL by default. */
child_set_env(&env, &envsize, "SHELL", shell);
}
- if (getenv("TZ"))
- child_set_env(&env, &envsize, "TZ", getenv("TZ"));
/* Set custom environment options from RSA authentication. */
if (!options.use_login) {
@@ -1287,6 +1316,10 @@
void
do_setusercontext(struct passwd *pw)
{
+#ifdef CHROOT
+ char *user_dir;
+ char *new_root;
+#endif /* CHROOT */
#ifndef HAVE_CYGWIN
if (getuid() == 0 || geteuid() == 0)
#endif /* HAVE_CYGWIN */
@@ -1313,8 +1346,27 @@
do_pam_setcred(0);
}
# endif /* USE_PAM */
+#ifdef CHROOT
+ user_dir = xstrdup(pw->pw_dir);
+ new_root = user_dir + 1;
+
+ while((new_root = strchr(new_root, '.')) != NULL) {
+ new_root--;
+ if(strncmp(new_root, "/./", 3) == 0) {
+ *new_root = '\0';
+ new_root += 2;
+
+ if(chroot(user_dir) != 0)
+ fatal("Couldn't chroot to user directory %s. %s", user_dir, strerror(errno));
+ pw->pw_dir = new_root;
+ break;
+ }
+
+ new_root += 2;
+ }
+#endif /* CHROOT */
if (setusercontext(lc, pw, pw->pw_uid,
- (LOGIN_SETALL & ~LOGIN_SETPATH)) < 0) {
+ (LOGIN_SETALL & ~(LOGIN_SETENV|LOGIN_SETPATH))) < 0) {
perror("unable to set user context");
exit(1);
}
@@ -1472,6 +1524,9 @@
char *argv[10];
const char *shell, *shell0, *hostname = NULL;
struct passwd *pw = s->pw;
+#ifdef HAVE_LOGIN_CAP
+ int lc_requirehome;
+#endif
/* remove hostkey from the child's memory */
destroy_sensitive_data();
@@ -1559,6 +1614,10 @@
*/
environ = env;
+#ifdef HAVE_LOGIN_CAP
+ lc_requirehome = login_getcapbool(lc, "requirehome", 0);
+ login_close(lc);
+#endif
#if defined(KRB5) && defined(USE_AFS)
/*
* At this point, we check to see if AFS is active and if we have
@@ -1590,7 +1649,7 @@
fprintf(stderr, "Could not chdir to home directory %s: %s\n",
pw->pw_dir, strerror(errno));
#ifdef HAVE_LOGIN_CAP
- if (login_getcapbool(lc, "requirehome", 0))
+ if (lc_requirehome)
exit(1);
#endif
}
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