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- Added su '--session-command' option (bug #199066).

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This commit is contained in:
Tim Waugh 2006-07-21 13:26:30 +00:00
parent f36601341a
commit 9f2386c9be
2 changed files with 64 additions and 8 deletions
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67
coreutils-setsid.patch
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@ -1,15 +1,29 @@
--- coreutils-5.93/src/su.c.setsid 2005-11-14 10:35:48.000000000 +0000 --- coreutils-5.97/src/su.c.setsid 2006-07-21 14:09:29.000000000 +0100
+++ coreutils-5.93/src/su.c 2005-11-14 10:53:03.000000000 +0000 +++ coreutils-5.97/src/su.c 2006-07-21 14:20:28.000000000 +0100
@@ -497,6 +497,8 @@ @@ -199,9 +199,13 @@
/* If true, change some environment vars to indicate the user su'd to. */
static bool change_environment;
+/* If true, then don't call setsid() with a command. */
+int same_session = 0;
+
static struct option const longopts[] =
{
{"command", required_argument, NULL, 'c'},
+ {"session-command", required_argument, NULL, 'C'},
{"fast", no_argument, NULL, 'f'},
{"login", no_argument, NULL, 'l'},
{"preserve-environment", no_argument, NULL, 'p'},
@@ -497,6 +501,8 @@
if (child == 0) { /* child shell */ if (child == 0) { /* child shell */
change_identity (pw); change_identity (pw);
pam_end(pamh, 0); pam_end(pamh, 0);
+ if (command) + if (!same_session)
+ setsid (); + setsid ();
#endif #endif
if (simulate_login) if (simulate_login)
@@ -551,13 +553,27 @@ @@ -551,13 +557,27 @@
sigemptyset(&action.sa_mask); sigemptyset(&action.sa_mask);
action.sa_flags = 0; action.sa_flags = 0;
sigemptyset(&ourset); sigemptyset(&ourset);
@ -17,7 +31,7 @@
- || sigaddset(&ourset, SIGALRM) - || sigaddset(&ourset, SIGALRM)
- || sigaction(SIGTERM, &action, NULL) - || sigaction(SIGTERM, &action, NULL)
- || sigprocmask(SIG_UNBLOCK, &ourset, NULL)) { - || sigprocmask(SIG_UNBLOCK, &ourset, NULL)) {
+ if (command) + if (!same_session)
+ { + {
+ if (sigaddset(&ourset, SIGINT) || sigaddset(&ourset, SIGQUIT)) + if (sigaddset(&ourset, SIGINT) || sigaddset(&ourset, SIGQUIT))
+ { + {
@ -32,7 +46,7 @@
fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME); fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);
caught = 1; caught = 1;
} }
+ if (!caught && command && (sigaction(SIGINT, &action, NULL) + if (!caught && !same_session && (sigaction(SIGINT, &action, NULL)
+ || sigaction(SIGQUIT, &action, NULL))) + || sigaction(SIGQUIT, &action, NULL)))
+ { + {
+ fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME); + fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);
@ -41,3 +55,42 @@
} }
if (!caught) { if (!caught) {
do { do {
@@ -628,6 +648,8 @@
\n\
-, -l, --login make the shell a login shell\n\
-c, --commmand=COMMAND pass a single COMMAND to the shell with -c\n\
+ --session-command=COMMAND pass a single COMMAND to the shell with -c\n\
+ and do not create a new session\n\
-f, --fast pass -f to the shell (for csh or tcsh)\n\
-m, --preserve-environment do not reset environment variables\n\
-p same as -m\n\
@@ -650,6 +672,7 @@
int optc;
const char *new_user = DEFAULT_USER;
char *command = NULL;
+ int request_same_session = 0;
char *shell = NULL;
struct passwd *pw;
struct passwd pw_copy;
@@ -675,6 +698,11 @@
command = optarg;
break;
+ case 'C':
+ command = optarg;
+ request_same_session = 1;
+ break;
+
case 'f':
fast_startup = true;
break;
@@ -744,6 +772,9 @@
}
#endif
+ if (request_same_session || !command || !pw->pw_uid)
+ same_session = 1;
+
if (!shell && !change_environment)
shell = getenv ("SHELL");
if (shell && getuid () != 0 && restricted_shell (pw->pw_shell))

3
coreutils.spec
View File

@ -280,6 +280,9 @@ fi
/sbin/runuser /sbin/runuser
%changelog %changelog
* Fri Jul 21 2006 Tim Waugh <twaugh@redhat.com>
- Added su '--session-command' option (bug #199066).
* Tue Jul 18 2006 Tomas Mraz <tmraz@redhat.com> 5.97-5 * Tue Jul 18 2006 Tomas Mraz <tmraz@redhat.com> 5.97-5
- 'include' su and runuser scripts in su-l and runuser-l scripts - 'include' su and runuser scripts in su-l and runuser-l scripts