63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
From 360e088738aa792bf6c52e777d64b5163b45362a Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Wed, 7 Nov 2012 15:20:39 +0100
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Subject: [PATCH] su: fix "COMMAND not specified" error
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# su
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su: COMMAND not specified
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This error message make sense for "runuser -u <user> <command>" only.
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Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=872787
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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login-utils/su-common.c | 29 +++++++++++++++++++----------
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1 file changed, 19 insertions(+), 10 deletions(-)
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diff --git a/login-utils/su-common.c b/login-utils/su-common.c
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index 1fa76c8..5abdc84 100644
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--- a/login-utils/su-common.c
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+++ b/login-utils/su-common.c
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@@ -761,19 +761,28 @@ su_main (int argc, char **argv, int mode)
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++optind;
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}
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- /* if not "-u <user>" specified then fallback to classic su(1) */
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- if (!runuser_user && optind < argc)
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- new_user = argv[optind++];
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- else {
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- /* runuser -u <command> */
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- new_user = runuser_user;
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- if (shell || fast_startup || command || simulate_login) {
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- errx(EXIT_FAILURE,
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+ switch (su_mode) {
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+ case RUNUSER_MODE:
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+ if (runuser_user) {
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+ /* runuser -u <user> <command> */
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+ new_user = runuser_user;
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+ if (shell || fast_startup || command || simulate_login) {
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+ errx(EXIT_FAILURE,
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_("options --{shell,fast,command,session-command,login} and "
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"--user are mutually exclusive."));
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+ }
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+ if (optind == argc)
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+ errx(EXIT_FAILURE, _("COMMAND not specified."));
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+
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+ break;
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}
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- if (optind == argc)
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- errx(EXIT_FAILURE, _("COMMAND not specified."));
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+ /* fallthrough if -u <user> is not specified, then follow
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+ * traditional su(1) behavior
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+ */
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+ case SU_MODE:
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+ if (optind < argc)
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+ new_user = argv[optind++];
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+ break;
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}
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if ((num_supp_groups || use_gid) && restricted)
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--
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1.7.11.7
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