diff options
-rw-r--r-- | include/libbb.h | 5 | ||||
-rw-r--r-- | libbb/appletlib.c | 2 | ||||
-rw-r--r-- | libbb/vfork_daemon_rexec.c | 37 | ||||
-rw-r--r-- | shell/ash.c | 8 | ||||
-rw-r--r-- | shell/hush.c | 8 |
5 files changed, 26 insertions, 34 deletions
diff --git a/include/libbb.h b/include/libbb.h index e4a19ac04..3f3e033fe 100644 --- a/include/libbb.h +++ b/include/libbb.h | |||
@@ -1112,9 +1112,10 @@ int wait_for_exitstatus(pid_t pid) FAST_FUNC; | |||
1112 | int spawn_and_wait(char **argv) FAST_FUNC; | 1112 | int spawn_and_wait(char **argv) FAST_FUNC; |
1113 | /* Does NOT check that applet is NOFORK, just blindly runs it */ | 1113 | /* Does NOT check that applet is NOFORK, just blindly runs it */ |
1114 | int run_nofork_applet(int applet_no, char **argv) FAST_FUNC; | 1114 | int run_nofork_applet(int applet_no, char **argv) FAST_FUNC; |
1115 | void run_noexec_applet_and_exit(int a, const char *name, char **argv) NORETURN FAST_FUNC; | ||
1115 | #ifndef BUILD_INDIVIDUAL | 1116 | #ifndef BUILD_INDIVIDUAL |
1116 | extern int find_applet_by_name(const char *name) FAST_FUNC; | 1117 | int find_applet_by_name(const char *name) FAST_FUNC; |
1117 | extern void run_applet_no_and_exit(int a, const char *name, char **argv) NORETURN FAST_FUNC; | 1118 | void run_applet_no_and_exit(int a, const char *name, char **argv) NORETURN FAST_FUNC; |
1118 | #endif | 1119 | #endif |
1119 | #if defined(__linux__) | 1120 | #if defined(__linux__) |
1120 | void set_task_comm(const char *comm) FAST_FUNC; | 1121 | void set_task_comm(const char *comm) FAST_FUNC; |
diff --git a/libbb/appletlib.c b/libbb/appletlib.c index ce259446b..5b84920a4 100644 --- a/libbb/appletlib.c +++ b/libbb/appletlib.c | |||
@@ -924,8 +924,6 @@ void FAST_FUNC run_applet_no_and_exit(int applet_no, const char *name, char **ar | |||
924 | { | 924 | { |
925 | int argc = string_array_len(argv); | 925 | int argc = string_array_len(argv); |
926 | 926 | ||
927 | /* Reinit some shared global data */ | ||
928 | xfunc_error_retval = EXIT_FAILURE; | ||
929 | /* | 927 | /* |
930 | * We do not use argv[0]: do not want to repeat massaging of | 928 | * We do not use argv[0]: do not want to repeat massaging of |
931 | * "-/sbin/halt" -> "halt", for example. | 929 | * "-/sbin/halt" -> "halt", for example. |
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c index 9d3cb9d54..a349459f0 100644 --- a/libbb/vfork_daemon_rexec.c +++ b/libbb/vfork_daemon_rexec.c | |||
@@ -158,6 +158,26 @@ int FAST_FUNC run_nofork_applet(int applet_no, char **argv) | |||
158 | } | 158 | } |
159 | #endif /* FEATURE_PREFER_APPLETS || FEATURE_SH_NOFORK */ | 159 | #endif /* FEATURE_PREFER_APPLETS || FEATURE_SH_NOFORK */ |
160 | 160 | ||
161 | #if (NUM_APPLETS > 1) && (ENABLE_FEATURE_PREFER_APPLETS || ENABLE_FEATURE_SH_STANDALONE) | ||
162 | void FAST_FUNC run_noexec_applet_and_exit(int a, const char *name, char **argv) | ||
163 | { | ||
164 | /* reset some state and run without execing */ | ||
165 | /* msg_eol = "\n"; - no caller needs this reinited yet */ | ||
166 | logmode = LOGMODE_STDIO; | ||
167 | xfunc_error_retval = EXIT_FAILURE; | ||
168 | die_func = NULL; | ||
169 | GETOPT_RESET(); | ||
170 | |||
171 | //TODO: think pidof, pgrep, pkill! | ||
172 | //set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"), | ||
173 | //but one from procps-ng-3.3.10 needs more! | ||
174 | //Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!) | ||
175 | set_task_comm(name); | ||
176 | /* xfunc_error_retval and applet_name are init by: */ | ||
177 | run_applet_no_and_exit(a, name, argv); | ||
178 | } | ||
179 | #endif | ||
180 | |||
161 | int FAST_FUNC spawn_and_wait(char **argv) | 181 | int FAST_FUNC spawn_and_wait(char **argv) |
162 | { | 182 | { |
163 | int rc; | 183 | int rc; |
@@ -175,22 +195,7 @@ int FAST_FUNC spawn_and_wait(char **argv) | |||
175 | return wait4pid(rc); | 195 | return wait4pid(rc); |
176 | 196 | ||
177 | /* child */ | 197 | /* child */ |
178 | /* reset some state and run without execing */ | 198 | run_noexec_applet_and_exit(a, argv[0], argv); |
179 | GETOPT_RESET(); | ||
180 | |||
181 | /* msg_eol = "\n"; - no caller needs this reinited yet */ | ||
182 | logmode = LOGMODE_STDIO; | ||
183 | /* die_func = NULL; - needed if the caller is a shell, | ||
184 | * init, or a NOFORK applet. But none of those call us | ||
185 | * as of yet (and that should probably always stay true). | ||
186 | */ | ||
187 | //TODO: think pidof, pgrep, pkill! | ||
188 | //set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"), | ||
189 | //but one from procps-ng-3.3.10 needs more! | ||
190 | //Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!) | ||
191 | set_task_comm(argv[0]); | ||
192 | /* xfunc_error_retval and applet_name are init by: */ | ||
193 | run_applet_no_and_exit(a, argv[0], argv); | ||
194 | } | 199 | } |
195 | # endif | 200 | # endif |
196 | } | 201 | } |
diff --git a/shell/ash.c b/shell/ash.c index bedd27b0d..6dc1cfef7 100644 --- a/shell/ash.c +++ b/shell/ash.c | |||
@@ -7803,13 +7803,7 @@ tryexec(IF_FEATURE_SH_STANDALONE(int applet_no,) const char *cmd, char **argv, c | |||
7803 | while (*envp) | 7803 | while (*envp) |
7804 | putenv(*envp++); | 7804 | putenv(*envp++); |
7805 | popredir(/*drop:*/ 1); | 7805 | popredir(/*drop:*/ 1); |
7806 | GETOPT_RESET(); | 7806 | run_noexec_applet_and_exit(applet_no, cmd, argv); |
7807 | //TODO: think pidof, pgrep, pkill! | ||
7808 | //set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"), | ||
7809 | //but one from procps-ng-3.3.10 needs more! | ||
7810 | //Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!) | ||
7811 | set_task_comm(argv[0]); | ||
7812 | run_applet_no_and_exit(applet_no, cmd, argv); | ||
7813 | } | 7807 | } |
7814 | /* re-exec ourselves with the new arguments */ | 7808 | /* re-exec ourselves with the new arguments */ |
7815 | execve(bb_busybox_exec_path, argv, envp); | 7809 | execve(bb_busybox_exec_path, argv, envp); |
diff --git a/shell/hush.c b/shell/hush.c index b890107a2..8dc531657 100644 --- a/shell/hush.c +++ b/shell/hush.c | |||
@@ -7386,14 +7386,8 @@ static NOINLINE void pseudo_exec_argv(nommu_save_t *nommu_save, | |||
7386 | //FIXME: should also close saved redir fds | 7386 | //FIXME: should also close saved redir fds |
7387 | /* Without this, "rm -i FILE" can't be ^C'ed: */ | 7387 | /* Without this, "rm -i FILE" can't be ^C'ed: */ |
7388 | switch_off_special_sigs(G.special_sig_mask); | 7388 | switch_off_special_sigs(G.special_sig_mask); |
7389 | GETOPT_RESET(); | ||
7390 | //TODO: think pidof, pgrep, pkill! | ||
7391 | //set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"), | ||
7392 | //but one from procps-ng-3.3.10 needs more! | ||
7393 | //Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!) | ||
7394 | set_task_comm(argv[0]); | ||
7395 | debug_printf_exec("running applet '%s'\n", argv[0]); | 7389 | debug_printf_exec("running applet '%s'\n", argv[0]); |
7396 | run_applet_no_and_exit(a, argv[0], argv); | 7390 | run_noexec_applet_and_exit(a, argv[0], argv); |
7397 | } | 7391 | } |
7398 | # endif | 7392 | # endif |
7399 | /* Re-exec ourselves */ | 7393 | /* Re-exec ourselves */ |