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The patch from upstream (shadow-4.0.11.1-SUPATH.patch) sets environ too
early when using PAM, so move it to !USE_PAM. Also set USER and SHELL.
--- shadow-4.0.11.1/src/su.c 2005-08-04 12:34:35.000000000 +0200
+++ shadow-4.0.11.1.az/src/su.c 2005-08-04 12:38:57.000000000 +0200
@@ -594,11 +594,6 @@
addenv ("PATH", cp);
}
-#ifndef USE_PAM
- /* setup the environment for PAM later on, else we run into auth problems */
- environ = newenvp; /* make new environment active */
-#endif
-
if (getenv ("IFS")) /* don't export user IFS ... */
addenv ("IFS= \t\n", NULL); /* ... instead, set a safe IFS */
@@ -666,6 +664,8 @@
exit (1);
}
#else /* !USE_PAM */
+ environ = newenvp; /* make new environment active */
+
if (!amroot) /* no limits if su from root */
setup_limits (&pwent);
@@ -676,8 +676,11 @@
if (fakelogin)
setup_env (&pwent);
#if 1 /* Suggested by Joey Hess. XXX - is this right? */
- else
+ else {
addenv ("HOME", pwent.pw_dir);
+ addenv ("USER", pwent.pw_name);
+ addenv ("SHELL", pwent.pw_shell);
+ }
#endif
/*
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