diff options
| author | Tomas Mraz <tm@t8m.info> | 2008-07-11 15:29:00 +0000 |
|---|---|---|
| committer | Tomas Mraz <tm@t8m.info> | 2008-07-11 15:29:00 +0000 |
| commit | 0323cbc3d94badc4d5e941a8fb679444dcb72bbb (patch) | |
| tree | 7d06653cd71ca79f49139777656e601ba32dba67 /modules/pam_unix/support.c | |
| parent | 6377bdbbfc0af3c88572f5108f55344af745a010 (diff) | |
Relevant BUGIDs: #2009766
Purpose of commit: bugfix
Commit summary:
---------------
2008-07-11 Tomas Mraz <t8m@centrum.cz>
* modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): Do
not close the pipe descriptor in borderline case (#2009766)
* modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary):
Likewise.
* modules/pam_unix/support.c (_unix_run_helper_binary): Likewise.
* modules/pam_unix/support.h: Define upper limit of fds we will
attempt to close.
Diffstat (limited to 'modules/pam_unix/support.c')
| -rw-r--r-- | modules/pam_unix/support.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/modules/pam_unix/support.c b/modules/pam_unix/support.c index 781d0006..db630f51 100644 --- a/modules/pam_unix/support.c +++ b/modules/pam_unix/support.c @@ -427,14 +427,14 @@ static int _unix_run_helper_binary(pam_handle_t *pamh, const char *passwd, /* XXX - should really tidy up PAM here too */ - close(0); close(1); /* reopen stdin as pipe */ - close(fds[1]); dup2(fds[0], STDIN_FILENO); if (getrlimit(RLIMIT_NOFILE,&rlim)==0) { - for (i=2; i < (int)rlim.rlim_max; i++) { - if (fds[0] != i) + if (rlim.rlim_max >= MAX_FD_NO) + rlim.rlim_max = MAX_FD_NO; + for (i=0; i < (int)rlim.rlim_max; i++) { + if (i != STDIN_FILENO) close(i); } } |