* src/su.c: Use a bool when possible instead of int integers.
* src/su.c: Add brackets and parenthesis. * src/su.c: Avoid implicit conversion of pointers / integers / chars to booleans. * src/su.c: Ignore the return value of pam_end() before exiting. * src/su.c: Avoid assignments in comparisons. * src/su.c: Avoid multi-statements lines.
This commit is contained in:
nekral-guest
parent
c573f432fe
commit
d7ffaf94b1
11
ChangeLog
11
ChangeLog
@ -1,3 +1,14 @@
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2008-06-10 Nicolas François <nicolas.francois@centraliens.net>
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* src/su.c: Use a bool when possible instead of int integers.
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* src/su.c: Add brackets and parenthesis.
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* src/su.c: Avoid implicit conversion of pointers / integers
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/ chars to booleans.
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* src/su.c: Ignore the return value of pam_end() before
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exiting.
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* src/su.c: Avoid assignments in comparisons.
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* src/su.c: Avoid multi-statements lines.
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2008-06-10 Nicolas François <nicolas.francois@centraliens.net>
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* lib/prototypes.h, libmisc/valid.c: Change the prototype of
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244
src/su.c
244
src/su.c
@ -80,11 +80,11 @@ static char name[BUFSIZ];
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static char oldname[BUFSIZ];
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/* If nonzero, change some environment vars to indicate the user su'd to. */
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static int change_environment;
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static bool change_environment;
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#ifdef USE_PAM
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static pam_handle_t *pamh = NULL;
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static int caught = 0;
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static bool caught = false;
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#endif
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static char *Prog;
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@ -139,19 +139,19 @@ static int iswheel (const char *username)
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#endif /* !USE_PAM */
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/* borrowed from GNU sh-utils' "su.c" */
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static int restricted_shell (const char *shellstr)
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static bool restricted_shell (const char *shellstr)
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{
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char *line;
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setusershell ();
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while ((line = getusershell ()) != NULL) {
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if (*line != '#' && strcmp (line, shellstr) == 0) {
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if (('#' != *line) && (strcmp (line, shellstr) == 0)) {
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endusershell ();
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return 0;
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return false;
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}
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}
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endusershell ();
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return 1;
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return true;
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}
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static void su_failure (const char *tty)
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@ -159,9 +159,10 @@ static void su_failure (const char *tty)
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sulog (tty, 0, oldname, name); /* log failed attempt */
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#ifdef USE_SYSLOG
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if (getdef_bool ("SYSLOG_SU_ENAB"))
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SYSLOG ((pwent.pw_uid ? LOG_INFO : LOG_NOTICE,
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SYSLOG (((0 != pwent.pw_uid) ? LOG_INFO : LOG_NOTICE,
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"- %s %s:%s", tty,
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oldname[0] ? oldname : "???", name[0] ? name : "???"));
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('\0' != oldname[0]) ? oldname : "???",
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('\0' != name[0]) ? name : "???"));
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closelog ();
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#endif
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exit (1);
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@ -172,14 +173,14 @@ static void su_failure (const char *tty)
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/* Signal handler for parent process later */
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static void catch_signals (unused int sig)
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{
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++caught;
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caught = true;
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}
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/* This I ripped out of su.c from sh-utils after the Mandrake pam patch
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* have been applied. Some work was needed to get it integrated into
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* su.c from shadow.
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*/
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static void run_shell (const char *shellstr, char *args[], int doshell,
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static void run_shell (const char *shellstr, char *args[], bool doshell,
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char *const envp[])
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{
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int child;
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@ -209,9 +210,9 @@ static void run_shell (const char *shellstr, char *args[], int doshell,
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}
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/* parent only */
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sigfillset (&ourset);
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if (sigprocmask (SIG_BLOCK, &ourset, NULL)) {
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if (sigprocmask (SIG_BLOCK, &ourset, NULL) != 0) {
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(void) fprintf (stderr, "%s: signal malfunction\n", Prog);
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caught = 1;
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caught = true;
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}
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if (!caught) {
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struct sigaction action;
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@ -221,14 +222,14 @@ static void run_shell (const char *shellstr, char *args[], int doshell,
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action.sa_flags = 0;
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sigemptyset (&ourset);
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if (sigaddset (&ourset, SIGTERM)
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|| sigaddset (&ourset, SIGALRM)
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|| sigaction (SIGTERM, &action, NULL)
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|| sigprocmask (SIG_UNBLOCK, &ourset, NULL)
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if ( (sigaddset (&ourset, SIGTERM) != 0)
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|| (sigaddset (&ourset, SIGALRM) != 0)
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|| (sigaction (SIGTERM, &action, NULL) != 0)
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|| (sigprocmask (SIG_UNBLOCK, &ourset, NULL) != 0)
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) {
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fprintf (stderr,
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"%s: signal masking malfunction\n", Prog);
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caught = 1;
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caught = true;
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}
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}
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@ -238,14 +239,14 @@ static void run_shell (const char *shellstr, char *args[], int doshell,
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pid = waitpid (-1, &status, WUNTRACED);
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if ((pid != -1) && WIFSTOPPED (status)) {
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if ((-1 != pid) && (0 != WIFSTOPPED (status))) {
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/* The child (shell) was suspended.
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* Suspend su. */
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kill (getpid (), WSTOPSIG(status));
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/* wake child when resumed */
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kill (pid, SIGCONT);
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}
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} while (WIFSTOPPED (status));
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} while (0 != WIFSTOPPED (status));
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}
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if (caught) {
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@ -254,11 +255,11 @@ static void run_shell (const char *shellstr, char *args[], int doshell,
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}
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ret = pam_close_session (pamh, 0);
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if (ret != PAM_SUCCESS) {
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if (PAM_SUCCESS != ret) {
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SYSLOG ((LOG_ERR, "pam_close_session: %s",
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pam_strerror (pamh, ret)));
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fprintf (stderr, _("%s: %s\n"), Prog, pam_strerror (pamh, ret));
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pam_end (pamh, ret);
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(void) pam_end (pamh, ret);
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exit (1);
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}
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@ -271,8 +272,7 @@ static void run_shell (const char *shellstr, char *args[], int doshell,
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exit (-1);
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}
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exit (WIFEXITED (status)
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? WEXITSTATUS (status)
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exit ((0 != WIFEXITED (status)) ? WEXITSTATUS (status)
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: WTERMSIG (status) + 128);
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}
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#endif
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@ -309,14 +309,15 @@ static void usage (void)
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int main (int argc, char **argv)
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{
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char *cp;
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const char *tty = 0; /* Name of tty SU is run from */
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int doshell = 0;
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int fakelogin = 0;
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int amroot = 0;
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const char *tty = NULL; /* Name of tty SU is run from */
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bool doshell = false;
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bool fakelogin = false;
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bool amroot = false;
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uid_t my_uid;
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struct passwd *pw = 0;
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struct passwd *pw = NULL;
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char **envp = environ;
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char *shellstr = 0, *command = 0;
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char *shellstr = NULL;
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char *command = NULL;
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#ifdef USE_PAM
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char **envcp;
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@ -340,7 +341,7 @@ int main (int argc, char **argv)
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(void) bindtextdomain (PACKAGE, LOCALEDIR);
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(void) textdomain (PACKAGE);
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change_environment = 1;
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change_environment = true;
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/*
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* Get the program name. The program name is used as a prefix to
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@ -380,7 +381,7 @@ int main (int argc, char **argv)
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usage ();
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break;
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case 'l':
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fakelogin = 1;
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fakelogin = true;
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break;
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case 'm':
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case 'p':
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@ -388,7 +389,7 @@ int main (int argc, char **argv)
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* user do not have a restricted shell, or if
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* su is called by root.
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*/
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change_environment = 0;
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change_environment = false;
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break;
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case 's':
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shellstr = optarg;
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@ -398,13 +399,15 @@ int main (int argc, char **argv)
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}
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}
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if (optind < argc && !strcmp (argv[optind], "-")) {
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fakelogin = 1;
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if ((optind < argc) && (strcmp (argv[optind], "-") == 0)) {
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fakelogin = true;
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optind++;
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if (optind < argc && !strcmp (argv[optind], "--"))
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if ( (optind < argc)
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&& (strcmp (argv[optind], "--") == 0)) {
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optind++;
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}
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}
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}
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initenv ();
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@ -415,11 +418,13 @@ int main (int argc, char **argv)
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* Get the tty name. Entries will be logged indicating that the user
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* tried to change to the named new user from the current terminal.
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*/
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if (isatty (0) && (cp = ttyname (0))) {
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if (strncmp (cp, "/dev/", 5) == 0)
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cp = ttyname (0);
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if ((isatty (0) != 0) && (NULL != cp)) {
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if (strncmp (cp, "/dev/", 5) == 0) {
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tty = cp + 5;
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else
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} else {
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tty = cp;
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}
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#ifndef USE_PAM
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is_console = console (tty);
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#endif
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@ -441,24 +446,27 @@ int main (int argc, char **argv)
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* doesn't start with a "-" unless you specify the new user name.
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* Any remaining arguments will be passed to the user's login shell.
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*/
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if (optind < argc && argv[optind][0] != '-') {
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if ((optind < argc) && ('-' != argv[optind][0])) {
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STRFCPY (name, argv[optind++]); /* use this login id */
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if (optind < argc && !strcmp (argv[optind], "--"))
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if ((optind < argc) && (strcmp (argv[optind], "--") == 0)) {
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optind++;
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}
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if (!name[0]) /* use default user ID */
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}
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if ('\0' == name[0]) { /* use default user ID */
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(void) strcpy (name, "root");
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}
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doshell = argc == optind; /* any arguments remaining? */
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if (command)
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doshell = 0;
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doshell = (argc == optind); /* any arguments remaining? */
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if (NULL != command) {
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doshell = false;
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}
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/*
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* Get the user's real name. The current UID is used to determine
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* who has executed su. That user ID must exist.
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*/
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pw = get_my_pwent ();
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if (!pw) {
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if (NULL == pw) {
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SYSLOG ((LOG_CRIT, "Unknown UID: %u", my_uid));
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su_failure (tty);
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}
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@ -470,14 +478,16 @@ int main (int argc, char **argv)
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* Sort out the password of user calling su, in case needed later
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* -- chris
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*/
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if ((spwd = getspnam (oldname))) /* !USE_PAM, no need for xgetspnam */
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spwd = getspnam (oldname); /* !USE_PAM, no need for xgetspnam */
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if (NULL != spwd) {
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pw->pw_passwd = spwd->sp_pwdp;
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}
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oldpass = xstrdup (pw->pw_passwd);
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#endif /* SU_ACCESS */
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#else /* USE_PAM */
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ret = pam_start ("su", name, &conv, &pamh);
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if (ret != PAM_SUCCESS) {
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if (PAM_SUCCESS != ret) {
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SYSLOG ((LOG_ERR, "pam_start: error %d", ret);
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fprintf (stderr, _("%s: pam_start: error %d\n"),
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Prog, ret));
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@ -485,9 +495,10 @@ int main (int argc, char **argv)
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}
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ret = pam_set_item (pamh, PAM_TTY, (const void *) tty);
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if (ret == PAM_SUCCESS)
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if (PAM_SUCCESS == ret) {
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ret = pam_set_item (pamh, PAM_RUSER, (const void *) oldname);
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if (ret != PAM_SUCCESS) {
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}
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if (PAM_SUCCESS != ret) {
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SYSLOG ((LOG_ERR, "pam_set_item: %s",
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pam_strerror (pamh, ret)));
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fprintf (stderr, _("%s: %s\n"), Prog, pam_strerror (pamh, ret));
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@ -505,16 +516,20 @@ int main (int argc, char **argv)
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* The password file entries for the user is gotten and the account
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* validated.
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*/
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if (!(pw = xgetpwnam (name))) {
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pw = xgetpwnam (name);
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if (NULL == pw) {
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(void) fprintf (stderr, _("Unknown id: %s\n"), name);
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closelog ();
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exit (1);
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}
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#ifndef USE_PAM
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spwd = NULL;
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if (strcmp (pw->pw_passwd, SHADOW_PASSWD_STRING) == 0
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&& (spwd = getspnam (name))) /* !USE_PAM, no need for xgetspnam */
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if (strcmp (pw->pw_passwd, SHADOW_PASSWD_STRING) == 0) {
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spwd = getspnam (name); /* !USE_PAM, no need for xgetspnam */
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if (NULL != spwd) {
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pw->pw_passwd = spwd->sp_pwdp;
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}
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}
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#endif /* !USE_PAM */
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pwent = *pw;
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@ -534,30 +549,42 @@ int main (int argc, char **argv)
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* The terminal type will be left alone if it is present in
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* the environment already.
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*/
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if ((cp = getenv ("TERM")))
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cp = getenv ("TERM");
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if (NULL != cp) {
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addenv ("TERM", cp);
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}
|
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#ifndef USE_PAM
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if ((cp = getdef_str ("ENV_TZ")))
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addenv (*cp == '/' ? tz (cp) : cp, NULL);
|
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cp = getdef_str ("ENV_TZ");
|
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if (NULL != cp) {
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addenv (('/' == *cp) ? tz (cp) : cp, NULL);
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}
|
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|
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/*
|
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* The clock frequency will be reset to the login value if required
|
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*/
|
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if ((cp = getdef_str ("ENV_HZ")))
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cp = getdef_str ("ENV_HZ");
|
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if (NULL != cp) {
|
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addenv (cp, NULL); /* set the default $HZ, if one */
|
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}
|
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|
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/*
|
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* Also leave DISPLAY and XAUTHORITY if present, else
|
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* pam_xauth will not work.
|
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*/
|
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if ((cp = getenv ("DISPLAY")))
|
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cp = getenv ("DISPLAY");
|
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if (NULL != cp) {
|
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addenv ("DISPLAY", cp);
|
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if ((cp = getenv ("XAUTHORITY")))
|
||||
}
|
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cp = getenv ("XAUTHORITY");
|
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if (NULL != cp) {
|
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addenv ("XAUTHORITY", cp);
|
||||
}
|
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#endif /* !USE_PAM */
|
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} else {
|
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while (*envp)
|
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addenv (*envp++, NULL);
|
||||
while (NULL != *envp) {
|
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addenv (*envp, NULL);
|
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envp++;
|
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}
|
||||
}
|
||||
|
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#ifndef USE_PAM
|
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@ -580,7 +607,8 @@ int main (int argc, char **argv)
|
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*/
|
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|
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if (!amroot) {
|
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if (pwent.pw_uid == 0 && getdef_bool ("SU_WHEEL_ONLY")
|
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if ( (0 == pwent.pw_uid)
|
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&& getdef_bool ("SU_WHEEL_ONLY")
|
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&& !iswheel (oldname)) {
|
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fprintf (stderr,
|
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_("You are not authorized to su %s\n"), name);
|
||||
@ -610,50 +638,56 @@ int main (int argc, char **argv)
|
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* use the current SHELL.
|
||||
* (unless another shell is required by the command line)
|
||||
*/
|
||||
if (shellstr == NULL && change_environment == 0)
|
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if ((NULL == shellstr) && !change_environment) {
|
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shellstr = getenv ("SHELL");
|
||||
}
|
||||
/* For users with non null UID, if this user has a restricted
|
||||
* shell, the shell must be the one specified in /etc/passwd
|
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*/
|
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if (shellstr != NULL && !amroot && restricted_shell (pwent.pw_shell))
|
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if ( (NULL != shellstr)
|
||||
&& !amroot
|
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&& restricted_shell (pwent.pw_shell)) {
|
||||
shellstr = NULL;
|
||||
}
|
||||
/* If the shell is not set at this time, use the shell specified
|
||||
* in /etc/passwd.
|
||||
*/
|
||||
if (shellstr == NULL)
|
||||
if (NULL == shellstr) {
|
||||
shellstr = (char *) strdup (pwent.pw_shell);
|
||||
}
|
||||
|
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/*
|
||||
* Set the default shell.
|
||||
*/
|
||||
if (shellstr == NULL || shellstr[0] == '\0')
|
||||
if ((NULL == shellstr) || ('\0' == shellstr[0])) {
|
||||
shellstr = "/bin/sh";
|
||||
}
|
||||
|
||||
signal (SIGINT, SIG_IGN);
|
||||
signal (SIGQUIT, SIG_IGN);
|
||||
#ifdef USE_PAM
|
||||
ret = pam_authenticate (pamh, 0);
|
||||
if (ret != PAM_SUCCESS) {
|
||||
if (PAM_SUCCESS != ret) {
|
||||
SYSLOG ((LOG_ERR, "pam_authenticate: %s",
|
||||
pam_strerror (pamh, ret)));
|
||||
fprintf (stderr, _("%s: %s\n"), Prog, pam_strerror (pamh, ret));
|
||||
pam_end (pamh, ret);
|
||||
(void) pam_end (pamh, ret);
|
||||
su_failure (tty);
|
||||
}
|
||||
|
||||
ret = pam_acct_mgmt (pamh, 0);
|
||||
if (ret != PAM_SUCCESS) {
|
||||
if (PAM_SUCCESS != ret) {
|
||||
if (amroot) {
|
||||
fprintf (stderr, _("%s: %s\n(Ignored)\n"), Prog,
|
||||
pam_strerror (pamh, ret));
|
||||
} else if (ret == PAM_NEW_AUTHTOK_REQD) {
|
||||
} else if (PAM_NEW_AUTHTOK_REQD == ret) {
|
||||
ret = pam_chauthtok (pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
|
||||
if (ret != PAM_SUCCESS) {
|
||||
if (PAM_SUCCESS != ret) {
|
||||
SYSLOG ((LOG_ERR, "pam_chauthtok: %s",
|
||||
pam_strerror (pamh, ret)));
|
||||
fprintf (stderr, _("%s: %s\n"), Prog,
|
||||
pam_strerror (pamh, ret));
|
||||
pam_end (pamh, ret);
|
||||
(void) pam_end (pamh, ret);
|
||||
su_failure (tty);
|
||||
}
|
||||
} else {
|
||||
@ -661,7 +695,7 @@ int main (int argc, char **argv)
|
||||
pam_strerror (pamh, ret)));
|
||||
fprintf (stderr, _("%s: %s\n"), Prog,
|
||||
pam_strerror (pamh, ret));
|
||||
pam_end (pamh, ret);
|
||||
(void) pam_end (pamh, ret);
|
||||
su_failure (tty);
|
||||
}
|
||||
}
|
||||
@ -690,8 +724,9 @@ int main (int argc, char **argv)
|
||||
* expired password.
|
||||
*/
|
||||
if (!amroot) {
|
||||
if (!spwd)
|
||||
if (NULL == spwd) {
|
||||
spwd = pwd_to_spwd (&pwent);
|
||||
}
|
||||
|
||||
if (expire (&pwent, spwd)) {
|
||||
/* !USE_PAM, no need for xgetpwnam */
|
||||
@ -699,10 +734,11 @@ int main (int argc, char **argv)
|
||||
|
||||
/* !USE_PAM, no need for xgetspnam */
|
||||
spwd = getspnam (name);
|
||||
if (pwd)
|
||||
if (NULL != pwd) {
|
||||
pwent = *pwd;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Check to see if the account permits "su". root gets to ignore any
|
||||
@ -712,7 +748,7 @@ int main (int argc, char **argv)
|
||||
*/
|
||||
if (!amroot) {
|
||||
if (!isttytime (pwent.pw_name, "SU", time ((time_t *) 0))) {
|
||||
SYSLOG ((pwent.pw_uid ? LOG_WARN : LOG_CRIT,
|
||||
SYSLOG (((0 != pwent.pw_uid) ? LOG_WARN : LOG_CRIT,
|
||||
"SU by %s to restricted account %s",
|
||||
oldname, name));
|
||||
su_failure (tty);
|
||||
@ -724,23 +760,24 @@ int main (int argc, char **argv)
|
||||
signal (SIGQUIT, SIG_DFL);
|
||||
|
||||
cp = getdef_str ((pwent.pw_uid == 0) ? "ENV_SUPATH" : "ENV_PATH");
|
||||
if (!cp) {
|
||||
if (NULL == cp) {
|
||||
addenv ("PATH=/bin:/usr/bin", NULL);
|
||||
} else if (strchr (cp, '=')) {
|
||||
} else if (strchr (cp, '=') != NULL) {
|
||||
addenv (cp, NULL);
|
||||
} else {
|
||||
addenv ("PATH", cp);
|
||||
}
|
||||
|
||||
if (getenv ("IFS")) /* don't export user IFS ... */
|
||||
if (getenv ("IFS") != NULL) { /* don't export user IFS ... */
|
||||
addenv ("IFS= \t\n", NULL); /* ... instead, set a safe IFS */
|
||||
}
|
||||
|
||||
/*
|
||||
* Even if --shell is specified, the subsystem login test is based on
|
||||
* the shell specified in /etc/passwd (not the one specified with
|
||||
* --shell, which will be the one executed in the chroot later).
|
||||
*/
|
||||
if (pwent.pw_shell[0] == '*') { /* subsystem root required */
|
||||
if ('*' == pwent.pw_shell[0]) { /* subsystem root required */
|
||||
pwent.pw_shell++; /* skip the '*' */
|
||||
subsystem (&pwent); /* figure out what to execute */
|
||||
endpwent ();
|
||||
@ -748,18 +785,20 @@ int main (int argc, char **argv)
|
||||
goto top;
|
||||
}
|
||||
|
||||
sulog (tty, 1, oldname, name); /* save SU information */
|
||||
sulog (tty, true, oldname, name); /* save SU information */
|
||||
endpwent ();
|
||||
endspent ();
|
||||
#ifdef USE_SYSLOG
|
||||
if (getdef_bool ("SYSLOG_SU_ENAB"))
|
||||
if (getdef_bool ("SYSLOG_SU_ENAB")) {
|
||||
SYSLOG ((LOG_INFO, "+ %s %s:%s", tty,
|
||||
oldname[0] ? oldname : "???", name[0] ? name : "???"));
|
||||
('\0' != oldname[0]) ? oldname : "???",
|
||||
('\0' != name[0]) ? name : "???"));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef USE_PAM
|
||||
/* set primary group id and supplementary groups */
|
||||
if (setup_groups (&pwent)) {
|
||||
if (setup_groups (&pwent) != 0) {
|
||||
pam_end (pamh, PAM_ABORT);
|
||||
exit (1);
|
||||
}
|
||||
@ -769,20 +808,20 @@ int main (int argc, char **argv)
|
||||
* and much more, depending on the configured modules
|
||||
*/
|
||||
ret = pam_setcred (pamh, PAM_ESTABLISH_CRED);
|
||||
if (ret != PAM_SUCCESS) {
|
||||
if (PAM_SUCCESS != ret) {
|
||||
SYSLOG ((LOG_ERR, "pam_setcred: %s", pam_strerror (pamh, ret)));
|
||||
fprintf (stderr, _("%s: %s\n"), Prog, pam_strerror (pamh, ret));
|
||||
pam_end (pamh, ret);
|
||||
(void) pam_end (pamh, ret);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
ret = pam_open_session (pamh, 0);
|
||||
if (ret != PAM_SUCCESS) {
|
||||
if (PAM_SUCCESS != ret) {
|
||||
SYSLOG ((LOG_ERR, "pam_open_session: %s",
|
||||
pam_strerror (pamh, ret)));
|
||||
fprintf (stderr, _("%s: %s\n"), Prog, pam_strerror (pamh, ret));
|
||||
pam_setcred (pamh, PAM_DELETE_CRED);
|
||||
pam_end (pamh, ret);
|
||||
(void) pam_end (pamh, ret);
|
||||
exit (1);
|
||||
}
|
||||
|
||||
@ -795,8 +834,8 @@ int main (int argc, char **argv)
|
||||
|
||||
/* update environment with all pam set variables */
|
||||
envcp = pam_getenvlist (pamh);
|
||||
if (envcp) {
|
||||
while (*envcp) {
|
||||
if (NULL != envcp) {
|
||||
while (NULL != *envcp) {
|
||||
addenv (*envcp, NULL);
|
||||
envcp++;
|
||||
}
|
||||
@ -804,21 +843,23 @@ int main (int argc, char **argv)
|
||||
}
|
||||
|
||||
/* become the new user */
|
||||
if (change_uid (&pwent)) {
|
||||
if (change_uid (&pwent) != 0) {
|
||||
pam_close_session (pamh, 0);
|
||||
pam_setcred (pamh, PAM_DELETE_CRED);
|
||||
pam_end (pamh, PAM_ABORT);
|
||||
(void) pam_end (pamh, PAM_ABORT);
|
||||
exit (1);
|
||||
}
|
||||
#else /* !USE_PAM */
|
||||
environ = newenvp; /* make new environment active */
|
||||
|
||||
/* no limits if su from root (unless su must fake login's behavior) */
|
||||
if (!amroot || fakelogin)
|
||||
if (!amroot || fakelogin) {
|
||||
setup_limits (&pwent);
|
||||
}
|
||||
|
||||
if (setup_uid_gid (&pwent, is_console))
|
||||
if (setup_uid_gid (&pwent, is_console) != 0) {
|
||||
exit (1);
|
||||
}
|
||||
#endif /* !USE_PAM */
|
||||
|
||||
if (change_environment) {
|
||||
@ -850,20 +891,22 @@ int main (int argc, char **argv)
|
||||
char *arg0;
|
||||
|
||||
cp = getdef_str ("SU_NAME");
|
||||
if (!cp)
|
||||
if (NULL == cp) {
|
||||
cp = Basename (shellstr);
|
||||
}
|
||||
|
||||
arg0 = xmalloc (strlen (cp) + 2);
|
||||
arg0[0] = '-';
|
||||
strcpy (arg0 + 1, cp);
|
||||
cp = arg0;
|
||||
} else
|
||||
} else {
|
||||
cp = Basename (shellstr);
|
||||
}
|
||||
|
||||
if (!doshell) {
|
||||
/* Position argv to the remaining arguments */
|
||||
argv += optind;
|
||||
if (command) {
|
||||
if (NULL != command) {
|
||||
argv -= 2;
|
||||
argv[0] = "-c";
|
||||
argv[1] = command;
|
||||
@ -879,17 +922,18 @@ int main (int argc, char **argv)
|
||||
(void) fputs (_("No shell\n"), stderr);
|
||||
SYSLOG ((LOG_WARN, "Cannot execute %s", shellstr));
|
||||
closelog ();
|
||||
exit (err == ENOENT ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
|
||||
exit ((ENOENT == err) ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
|
||||
#else
|
||||
run_shell (shellstr, &argv[-1], 0, environ); /* no return */
|
||||
run_shell (shellstr, &argv[-1], false, environ); /* no return */
|
||||
#endif
|
||||
}
|
||||
#ifndef USE_PAM
|
||||
err = shell (shellstr, cp, environ);
|
||||
exit (err == ENOENT ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
|
||||
exit ((ENOENT == err) ? E_CMD_NOTFOUND : E_CMD_NOEXEC);
|
||||
#else
|
||||
run_shell (shellstr, &cp, 1, environ);
|
||||
run_shell (shellstr, &cp, true, environ);
|
||||
#endif
|
||||
/* NOT REACHED */
|
||||
exit (1);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user