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| author | Andrew G. Morgan <morgan@kernel.org> | 2001-10-12 05:56:26 +0000 |
|---|---|---|
| committer | Andrew G. Morgan <morgan@kernel.org> | 2001-10-12 05:56:26 +0000 |
| commit | 094652b733bf2422420213c4e87af920ff05e6f3 (patch) | |
| tree | 79ebcda1d10d30a12bfacbaf3efe35f2f8e8e6ef | |
| parent | 64ab317e86dc8e798b4f4ed603227206c0fc001b (diff) | |
Relevant BUGIDs: 436060
Purpose of commit: paranoia fix
Commit summary:
---------------
Remove possibility of an un-nul terminated string. (Patch from Red Hat
release courtesy of Harald Welte.)
| -rw-r--r-- | CHANGELOG | 6 | ||||
| -rw-r--r-- | modules/pam_lastlog/pam_lastlog.c | 10 |
2 files changed, 9 insertions, 7 deletions
@@ -49,9 +49,11 @@ bug report - outstanding bugs are listed here: 0.76: please submit patches for this section with actual code/doc patches! +* more changes (extracted from redhat version) courtesy of + Harald Welte (Bugs pam_limits=436061, pam_lastlog=436060 - agmorgan) * fix for legacy behavior of pam_setcred and pam_close_session in the case that pam_authenticate and pam_open_session hadn't been - called - bug report from S Park. (Bug 468724 - agmorgan) + called - bug report from Seongwan Park. (Bug 468724 - agmorgan) * some BSD updates and fixes from Mark Murray - including a slightly more robust conversation function and some minimization of gcc warnings. (Bugs 449203,463984 - agmorgan) @@ -80,8 +82,6 @@ bug report - outstanding bugs are listed here: pam_tally app install (with more pretty printing and a corrected Makefile dependency) motivated by a (red hat diff) courtesy of Harald Welte (Bug 436432 - agmorgan) -* more pam_limits changes (extracted from redhat version) courtesy of - Harald Welte (Bug 436061 - agmorgan) * configure.in changes to help support non-Linux environments courtesy of Scott T. Emery (Bug 422563 - agmorgan) * made a pam_cracklib enhancement to interpret -ve limits in a diff --git a/modules/pam_lastlog/pam_lastlog.c b/modules/pam_lastlog/pam_lastlog.c index 15f83c83..c86becd8 100644 --- a/modules/pam_lastlog/pam_lastlog.c +++ b/modules/pam_lastlog/pam_lastlog.c @@ -334,8 +334,9 @@ static int last_login_date(pam_handle_t *pamh, int announce, uid_t uid) } /* copy to last_login */ - strncpy(last_login.ll_host, remote_host - , sizeof(last_login.ll_host)); + strncpy(last_login.ll_host, remote_host, + sizeof(last_login.ll_host)); + last_login.ll_host[sizeof(last_login.ll_host) - 1] = '\0'; remote_host = NULL; /* set the terminal line */ @@ -350,8 +351,9 @@ static int last_login_date(pam_handle_t *pamh, int announce, uid_t uid) D(("terminal = %s", terminal_line)); /* copy to last_login */ - strncpy(last_login.ll_line, terminal_line - , sizeof(last_login.ll_line)); + strncpy(last_login.ll_line, terminal_line, + sizeof(last_login.ll_line)); + last_login.ll_host[sizeof(last_login.ll_host) - 1] = '\0'; terminal_line = NULL; D(("locking last_log file")); |