pam/Linux-PAM-1.1.1-xauth-groups.patch
Alexander Stefanov af80a2aa08 add patchset
2020-05-11 23:32:07 +00:00

59 lines
2.2 KiB
Diff

--- Linux-PAM-1_2_0/modules/pam_xauth/pam_xauth.c.0512~ 2015-04-27 16:57:39.000000000 +0200
+++ Linux-PAM-1_2_0/modules/pam_xauth/pam_xauth.c 2015-06-11 17:30:15.830251670 +0200
@@ -90,7 +90,7 @@ static const char * const xauthpaths[] =
* given input on stdin, and storing any output it generates. */
static int
run_coprocess(pam_handle_t *pamh, const char *input, char **output,
- uid_t uid, gid_t gid, const char *command, ...)
+ uid_t uid, gid_t gid, const char *name, const char *command, ...)
{
int ipipe[2], opipe[2], i;
char buf[LINE_MAX];
@@ -142,6 +142,12 @@ run_coprocess(pam_handle_t *pamh, const
pam_syslog (pamh, LOG_ERR, "setgroups() failed: %m");
_exit (err);
}
+
+ /* Mandriva Linux specific:
+ * we need to set the extra groups because in high security levels
+ * access to /usr/X11R6/bin dir is controlled by a group */
+ initgroups(name, gid);
+
if (setuid(uid) == -1)
{
int err = errno;
@@ -180,6 +186,7 @@ run_coprocess(pam_handle_t *pamh, const
}
/* Run the command. */
execv(command, (char *const *) args);
+ syslog(LOG_ERR, "pam_xauth: execvp of %s failed: %m", command);
/* Never reached. */
_exit(1);
}
@@ -524,7 +531,7 @@ pam_sm_open_session (pam_handle_t *pamh,
(unsigned long) getuid(), (unsigned long) getgid());
}
if (run_coprocess(pamh, NULL, &cookie,
- getuid(), getgid(),
+ getuid(), getgid(), rpwd->pw_name,
xauth, "-f", cookiefile, "nlist", display,
NULL) == 0) {
#ifdef WITH_SELINUX
@@ -583,7 +590,7 @@ pam_sm_open_session (pam_handle_t *pamh,
(unsigned long) getgid());
}
run_coprocess(pamh, NULL, &cookie,
- getuid(), getgid(),
+ getuid(), getgid(), rpwd->pw_name,
xauth, "-f", cookiefile,
"nlist", t, NULL);
}
@@ -725,7 +732,7 @@ pam_sm_open_session (pam_handle_t *pamh,
(unsigned long) tpwd->pw_gid);
}
run_coprocess(pamh, cookie, &tmp,
- tpwd->pw_uid, tpwd->pw_gid,
+ tpwd->pw_uid, tpwd->pw_gid, tpwd->pw_name,
xauth, "-f", cookiefile, "nmerge", "-", NULL);
/* We don't need to keep a copy of these around any more. */