sh-utils i su

[Arkadiusz Miśkiewicz]

Jak to w końcu będzie z su (z sh-utils) i /etc/security/limits.conf ?
Wymyślił ktoś patcha ?

-- 
  +- Arkadiusz Miśkiewicz - Cron w irc.pl on #plug - misiek w misiek.eu.org -+
  + http://www.misiek.eu.org --- Poland --- SysAdm: zsz2.starachowice.pl +
  + Polish Linux Distribution Team Member - http://www.shadow.eu.org/PLD +
-------------- następna część ---------
diff -urN sh-utils-1.16.orig/src/su.c sh-utils-1.16/src/su.c
--- sh-utils-1.16.orig/src/su.c	Tue Dec 15 19:35:19 1998
+++ sh-utils-1.16/src/su.c	Tue Dec 15 19:37:25 1998
@@ -502,7 +502,7 @@
    arguments.  */
 
 static void
-run_shell (const char *shell, const char *command, char **additional_args)
+run_shell (struct passwd *pw, const char *shell, const char *command, char **additional_args)
 {
   const char **args;
   int argno = 1;
@@ -510,14 +510,19 @@
   int child;
   sigset_t ourset;
   int status;
+  uid_t old_pw_uid;
 
+  old_pw_uid=geteuid();
+  seteuid(pw->pw_uid);
   retval = pam_open_session(pamh,0);
+  seteuid(old_pw_uid);
   if (retval != PAM_SUCCESS) {
     fprintf (stderr, "could not open session\n");
     exit (1);
   }
   child = fork();
   if (child == 0) {  /* child shell */
+  change_identity(pw);
   pam_end(pamh, 0);
 #endif
   if (additional_args)
@@ -664,6 +669,7 @@
   char *shell = 0;
   struct passwd *pw;
   struct passwd pw_copy;
+  uid_t old_pw_uid;
 
   program_name = argv[0];
   setlocale (LC_ALL, "");
@@ -774,9 +780,11 @@
     }
   modify_environment (pw, shell);
 
-  change_identity (pw);
+  old_pw_uid=geteuid();
+  seteuid(pw->pw_uid);
   if (simulate_login && chdir (pw->pw_dir))
     error (0, errno, _("warning: cannot change directory to %s"), pw->pw_dir);
+  seteuid(old_pw_uid);
 
-  run_shell (shell, command, additional_args);
+  run_shell (pw, shell, command, additional_args);
 }