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- we must replace the stdin when execing the helper (#490644)

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Tomáš Mráz 2009-03-17 14:13:16 +00:00
parent a78e55c069
commit 1343a8ed17
2 changed files with 15 additions and 3 deletions
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13
pam-1.0.91-std-noclose.patch
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@ -42,8 +42,17 @@ diff -up Linux-PAM-1.0.91/modules/pam_unix/pam_unix_passwd.c.std-noclose Linux-P
diff -up Linux-PAM-1.0.91/modules/pam_unix/pam_unix_acct.c.std-noclose Linux-PAM-1.0.91/modules/pam_unix/pam_unix_acct.c
--- Linux-PAM-1.0.91/modules/pam_unix/pam_unix_acct.c.std-noclose 2009-03-03 14:56:01.000000000 +0100
+++ Linux-PAM-1.0.91/modules/pam_unix/pam_unix_acct.c 2009-03-13 17:33:21.000000000 +0100
@@ -106,10 +106,8 @@ int _unix_run_verify_binary(pam_handle_t
+++ Linux-PAM-1.0.91/modules/pam_unix/pam_unix_acct.c 2009-03-17 15:08:51.000000000 +0100
@@ -100,16 +100,17 @@ int _unix_run_verify_binary(pam_handle_t
/* reopen stdout as pipe */
dup2(fds[1], STDOUT_FILENO);
+ /* and replace also the stdin so we do not exec the helper with
+ tty as stdin, it will not read anything from there anyway */
+ dup2(fds[0], STDIN_FILENO);
/* XXX - should really tidy up PAM here too */
if (getrlimit(RLIMIT_NOFILE,&rlim)==0) {
if (rlim.rlim_max >= MAX_FD_NO)
rlim.rlim_max = MAX_FD_NO;

5
pam.spec
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@ -3,7 +3,7 @@
Summary: An extensible library which provides authentication for applications
Name: pam
Version: 1.0.91
Release: 2%{?dist}
Release: 3%{?dist}
# The library is BSD licensed with option to relicense as GPLv2+ - this option is redundant
# as the BSD license allows that anyway. pam_timestamp and pam_console modules are GPLv2+,
# pam_rhosts_auth module is BSD with advertising
@ -315,6 +315,9 @@ fi
%doc doc/adg/*.txt doc/adg/html
%changelog
* Tue Mar 16 2009 Tomas Mraz <tmraz@redhat.com> 1.0.91-3
- we must replace the stdin when execing the helper (#490644)
* Mon Mar 16 2009 Tomas Mraz <tmraz@redhat.com> 1.0.91-2
- do not close stdout/err when execing the helpers (#488147)