97 lines
3.1 KiB
Diff
97 lines
3.1 KiB
Diff
--- coreutils-6.7/src/su.c.setsid 2007-01-09 17:26:26.000000000 +0000
|
|
+++ coreutils-6.7/src/su.c 2007-01-09 17:26:57.000000000 +0000
|
|
@@ -176,9 +176,13 @@
|
|
/* 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'},
|
|
@@ -478,6 +482,8 @@
|
|
if (child == 0) { /* child shell */
|
|
change_identity (pw);
|
|
pam_end(pamh, 0);
|
|
+ if (!same_session)
|
|
+ setsid ();
|
|
#endif
|
|
|
|
if (simulate_login)
|
|
@@ -532,13 +538,27 @@
|
|
sigemptyset(&action.sa_mask);
|
|
action.sa_flags = 0;
|
|
sigemptyset(&ourset);
|
|
- if (sigaddset(&ourset, SIGTERM)
|
|
- || sigaddset(&ourset, SIGALRM)
|
|
- || sigaction(SIGTERM, &action, NULL)
|
|
- || sigprocmask(SIG_UNBLOCK, &ourset, NULL)) {
|
|
+ if (!same_session)
|
|
+ {
|
|
+ if (sigaddset(&ourset, SIGINT) || sigaddset(&ourset, SIGQUIT))
|
|
+ {
|
|
+ fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);
|
|
+ caught = 1;
|
|
+ }
|
|
+ }
|
|
+ if (!caught && (sigaddset(&ourset, SIGTERM)
|
|
+ || sigaddset(&ourset, SIGALRM)
|
|
+ || sigaction(SIGTERM, &action, NULL)
|
|
+ || sigprocmask(SIG_UNBLOCK, &ourset, NULL))) {
|
|
fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);
|
|
caught = 1;
|
|
}
|
|
+ if (!caught && !same_session && (sigaction(SIGINT, &action, NULL)
|
|
+ || sigaction(SIGQUIT, &action, NULL)))
|
|
+ {
|
|
+ fprintf(stderr, "%s: signal masking malfunction\n", PROGRAM_NAME);
|
|
+ caught = 1;
|
|
+ }
|
|
}
|
|
if (!caught) {
|
|
do {
|
|
@@ -609,6 +629,8 @@
|
|
\n\
|
|
-, -l, --login make the shell a login shell\n\
|
|
-c, --command=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\
|
|
@@ -631,6 +653,7 @@
|
|
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;
|
|
@@ -656,6 +679,11 @@
|
|
command = optarg;
|
|
break;
|
|
|
|
+ case 'C':
|
|
+ command = optarg;
|
|
+ request_same_session = 1;
|
|
+ break;
|
|
+
|
|
case 'f':
|
|
fast_startup = true;
|
|
break;
|
|
@@ -725,6 +753,9 @@
|
|
}
|
|
#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))
|