* src/newgrp.c: Use a %lu format and cast group and user IDs to
unsigned long integers. * src/newgrp.c: The ID argument of audit_logger is an unsigned int. * src/newgrp.c: Ignore the return value of signal() (the signal handlers are assumed to be the default one and are restored later). * src/newgrp.c: Do not checl if a pid_t is < 0, check if equal to (pid_t)-1.
This commit is contained in:
nekral-guest
parent
56327f6298
commit
f626317e90
12
ChangeLog
12
ChangeLog
@ -1,3 +1,15 @@
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2008-06-13 Nicolas François <nicolas.francois@centraliens.net>
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* src/newgrp.c: Use a %lu format and cast group and user IDs to
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unsigned long integers.
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* src/newgrp.c: The ID argument of audit_logger is an unsigned
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int.
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* src/newgrp.c: Ignore the return value of signal() (the signal
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handlers are assumed to be the default one and are restored
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later).
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* src/newgrp.c: Do not checl if a pid_t is < 0, check if equal
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to (pid_t)-1.
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2008-06-13 Nicolas François <nicolas.francois@centraliens.net>
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* libmisc/isexpired.c: Cast number of days to a long integer.
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110
src/newgrp.c
110
src/newgrp.c
@ -184,9 +184,11 @@ static void check_perms (const struct group *grp,
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strcmp (cpasswd, grp->gr_passwd) != 0) {
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf),
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"authentication new-gid=%d", grp->gr_gid);
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"authentication new-gid=%lu",
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(unsigned long) grp->gr_gid);
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audit_logger (AUDIT_GRP_AUTH, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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#endif
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SYSLOG ((LOG_INFO,
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"Invalid password for group `%s' from `%s'",
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@ -197,9 +199,11 @@ static void check_perms (const struct group *grp,
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}
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf),
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"authentication new-gid=%d", grp->gr_gid);
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"authentication new-gid=%lu",
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(unsigned long) grp->gr_gid);
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audit_logger (AUDIT_GRP_AUTH, Prog,
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audit_buf, NULL, getuid (), 1);
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audit_buf, NULL,
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(unsigned int) getuid (), 1);
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#endif
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}
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@ -215,10 +219,12 @@ failure:
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-group=%s", groupname);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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} else {
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audit_logger (AUDIT_CHGRP_ID, Prog, "changing",
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NULL, getuid (), 0);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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"changing", NULL,
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(unsigned int) getuid (), 0);
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}
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#endif
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exit (1);
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@ -274,14 +280,16 @@ static void syslog_sg (const char *name, const char *group)
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{
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pid_t child, pid;
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signal (SIGINT, SIG_IGN);
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signal (SIGQUIT, SIG_IGN);
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signal (SIGHUP, SIG_IGN);
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signal (SIGTSTP, SIG_IGN);
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signal (SIGTTIN, SIG_IGN);
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signal (SIGTTOU, SIG_IGN);
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/* Ignore these signals. The signal handlers will later be
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* restored to the default handlers. */
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(void) signal (SIGINT, SIG_IGN);
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(void) signal (SIGQUIT, SIG_IGN);
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(void) signal (SIGHUP, SIG_IGN);
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(void) signal (SIGTSTP, SIG_IGN);
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(void) signal (SIGTTIN, SIG_IGN);
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(void) signal (SIGTTOU, SIG_IGN);
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child = fork ();
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if (child < 0) {
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if ((pid_t)-1 == child) {
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/* error in fork() */
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fprintf (stderr, _("%s: failure forking: %s\n"),
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is_newgrp ? "newgrp" : "sg", strerror (errno));
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@ -290,10 +298,12 @@ static void syslog_sg (const char *name, const char *group)
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-group=%s", group);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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} else {
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audit_logger (AUDIT_CHGRP_ID, Prog, "changing",
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NULL, getuid (), 0);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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"changing", NULL,
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(unsigned int) getuid (), 0);
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}
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#endif
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exit (1);
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@ -321,27 +331,28 @@ static void syslog_sg (const char *name, const char *group)
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name, loginname, tty, grp->gr_name));
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} else {
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SYSLOG ((LOG_INFO,
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"user `%s' (login `%s' on %s) returned to group `%d'",
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name, loginname, tty, gid));
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"user `%s' (login `%s' on %s) returned to group `%lu'",
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name, loginname, tty,
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(unsigned long) gid));
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/* Either the user's passwd entry has a
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* GID that does not match with any group,
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* or the group was deleted while the user
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* was in a newgrp session.*/
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SYSLOG ((LOG_WARN,
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"unknown GID `%u' used by user `%s'",
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gid, name));
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"unknown GID `%lu' used by user `%s'",
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(unsigned long) gid, name));
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}
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closelog ();
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exit (0);
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}
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/* child - restore signals to their default state */
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signal (SIGINT, SIG_DFL);
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signal (SIGQUIT, SIG_DFL);
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signal (SIGHUP, SIG_DFL);
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signal (SIGTSTP, SIG_DFL);
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signal (SIGTTIN, SIG_DFL);
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signal (SIGTTOU, SIG_DFL);
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(void) signal (SIGINT, SIG_DFL);
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(void) signal (SIGQUIT, SIG_DFL);
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(void) signal (SIGHUP, SIG_DFL);
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(void) signal (SIGTSTP, SIG_DFL);
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(void) signal (SIGTTIN, SIG_DFL);
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(void) signal (SIGTTOU, SIG_DFL);
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}
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#endif /* USE_PAM */
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}
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@ -410,12 +421,15 @@ int main (int argc, char **argv)
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pwd = get_my_pwent ();
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if (NULL == pwd) {
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fprintf (stderr, _("unknown UID: %u\n"), getuid ());
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fprintf (stderr, _("unknown UID: %lu\n"),
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(unsigned long) getuid ());
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#ifdef WITH_AUDIT
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audit_logger (AUDIT_CHGRP_ID, Prog, "changing", NULL,
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getuid (), 0);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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"changing", NULL,
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(unsigned int) getuid (), 0);
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#endif
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SYSLOG ((LOG_WARN, "unknown UID %u", getuid ()));
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SYSLOG ((LOG_WARN, "unknown UID %lu",
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(unsigned long) getuid ()));
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closelog ();
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exit (1);
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}
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@ -530,10 +544,12 @@ int main (int argc, char **argv)
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-group=%s", group);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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} else {
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audit_logger (AUDIT_CHGRP_ID, Prog,
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"changing", NULL, getuid (), 0);
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"changing", NULL,
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(unsigned int) getuid (), 0);
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}
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#endif
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exit (1);
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@ -660,9 +676,10 @@ int main (int argc, char **argv)
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perror ("setgid");
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-gid=%d", gid);
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"changing new-gid=%lu", (unsigned long) gid);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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#endif
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exit (1);
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}
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@ -671,9 +688,10 @@ int main (int argc, char **argv)
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perror ("setuid");
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-gid=%d", gid);
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"changing new-gid=%lu", (unsigned long) gid);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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#endif
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exit (1);
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}
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@ -687,9 +705,10 @@ int main (int argc, char **argv)
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execl ("/bin/sh", "sh", "-c", command, (char *) 0);
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-gid=%d", gid);
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"changing new-gid=%lu", (unsigned long) gid);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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#endif
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perror ("/bin/sh");
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exit (errno == ENOENT ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
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@ -760,8 +779,11 @@ int main (int argc, char **argv)
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}
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#ifdef WITH_AUDIT
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snprintf (audit_buf, sizeof(audit_buf), "changing new-gid=%d", gid);
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audit_logger (AUDIT_CHGRP_ID, Prog, audit_buf, NULL, getuid (), 1);
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snprintf (audit_buf, sizeof(audit_buf), "changing new-gid=%lu",
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(unsigned long) gid);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL,
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(unsigned int) getuid (), 1);
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#endif
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/*
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* Exec the login shell and go away. We are trying to get back to
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@ -788,10 +810,12 @@ int main (int argc, char **argv)
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snprintf (audit_buf, sizeof(audit_buf),
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"changing new-group=%s", group);
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audit_logger (AUDIT_CHGRP_ID, Prog,
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audit_buf, NULL, getuid (), 0);
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audit_buf, NULL,
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(unsigned int) getuid (), 0);
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} else {
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audit_logger (AUDIT_CHGRP_ID, Prog,
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"changing", NULL, getuid (), 0);
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"changing", NULL,
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(unsigned int) getuid (), 0);
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}
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#endif
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exit (1);
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