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sd-bus: handle ppid=0 more gracefully (which happens for pid=1)
author
Lennart Poettering
<lennart@poettering.net>
Wed, 22 Apr 2015 11:27:29 +0000
(13:27 +0200)
committer
Sven Eden
<yamakuzure@gmx.net>
Tue, 14 Mar 2017 07:09:37 +0000
(08:09 +0100)
src/libelogind/sd-bus/bus-creds.c
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diff --git
a/src/libelogind/sd-bus/bus-creds.c
b/src/libelogind/sd-bus/bus-creds.c
index ab48aafccc8653adb4aa7091e5265f27fd0519d8..9d519c4735e406c1964738a5da4668a26982adfb 100644
(file)
--- a/
src/libelogind/sd-bus/bus-creds.c
+++ b/
src/libelogind/sd-bus/bus-creds.c
@@
-734,11
+734,14
@@
int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) {
if (p) {
p += strspn(p, WHITESPACE);
- r = parse_pid(p, &c->ppid);
- if (r < 0)
- return r;
+ /* Explicitly check for PPID 0 (which is the case for PID 1) */
+ if (!streq(p, "0")) {
+ r = parse_pid(p, &c->ppid);
+ if (r < 0)
+ return r;
- c->mask |= SD_BUS_CREDS_PPID;
+ c->mask |= SD_BUS_CREDS_PPID;
+ }
continue;
}
}