X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fexecute.c;h=9c2006ebc77efeba283ade75fc9c93135bcd9f28;hb=7c49259fc8f63ade6cb212a43477d7030aaaf423;hp=4d4091940f9e13018940d2beaf1bcb59116563f6;hpb=940c5210344e90428287e4f8878a9064e8869e22;p=elogind.git diff --git a/src/core/execute.c b/src/core/execute.c index 4d4091940..9c2006ebc 100644 --- a/src/core/execute.c +++ b/src/core/execute.c @@ -61,6 +61,8 @@ #include "loopback-setup.h" #include "path-util.h" +#define IDLE_TIMEOUT_USEC (5*USEC_PER_SEC) + /* This assumes there is a 'tty' group */ #define TTY_MODE 0620 @@ -868,68 +870,6 @@ fail: } #endif -static int do_capability_bounding_set_drop(uint64_t drop) { - unsigned long i; - cap_t old_cap = NULL, new_cap = NULL; - cap_flag_value_t fv; - int r; - - /* If we are run as PID 1 we will lack CAP_SETPCAP by default - * in the effective set (yes, the kernel drops that when - * executing init!), so get it back temporarily so that we can - * call PR_CAPBSET_DROP. */ - - old_cap = cap_get_proc(); - if (!old_cap) - return -errno; - - if (cap_get_flag(old_cap, CAP_SETPCAP, CAP_EFFECTIVE, &fv) < 0) { - r = -errno; - goto finish; - } - - if (fv != CAP_SET) { - static const cap_value_t v = CAP_SETPCAP; - - new_cap = cap_dup(old_cap); - if (!new_cap) { - r = -errno; - goto finish; - } - - if (cap_set_flag(new_cap, CAP_EFFECTIVE, 1, &v, CAP_SET) < 0) { - r = -errno; - goto finish; - } - - if (cap_set_proc(new_cap) < 0) { - r = -errno; - goto finish; - } - } - - for (i = 0; i <= cap_last_cap(); i++) - if (drop & ((uint64_t) 1ULL << (uint64_t) i)) { - if (prctl(PR_CAPBSET_DROP, i) < 0) { - r = -errno; - goto finish; - } - } - - r = 0; - -finish: - if (new_cap) - cap_free(new_cap); - - if (old_cap) { - cap_set_proc(old_cap); - cap_free(old_cap); - } - - return r; -} - static void rename_process_from_path(const char *path) { char process_name[11]; const char *p; @@ -1065,7 +1005,7 @@ int exec_spawn(ExecCommand *command, if (idle_pipe[1] >= 0) close_nointr_nofail(idle_pipe[1]); if (idle_pipe[0] >= 0) { - fd_wait_for_event(idle_pipe[0], POLLHUP, DEFAULT_TIMEOUT_USEC); + fd_wait_for_event(idle_pipe[0], POLLHUP, IDLE_TIMEOUT_USEC); close_nointr_nofail(idle_pipe[0]); } } @@ -1396,7 +1336,7 @@ int exec_spawn(ExecCommand *command, } if (context->capability_bounding_set_drop) { - err = do_capability_bounding_set_drop(context->capability_bounding_set_drop); + err = capability_bounding_set_drop(context->capability_bounding_set_drop, false); if (err < 0) { r = EXIT_CAPABILITIES; goto fail_child;