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Change ownership of pid file, to keep systemd happy.

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This commit is contained in:
Simon Kelley
2018-02-06 17:27:55 +00:00
parent 83e4b73596
commit 246a31cd73
2 changed files with 15 additions and 2 deletions
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9
src/dnsmasq.c
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@@ -541,7 +541,14 @@ int main (int argc, char **argv)
}
else
{
if (!read_write(fd, (unsigned char *)daemon->namebuff, strlen(daemon->namebuff), 0))
/* We're still running as root here. Change the ownership of the PID file
to the user we will be running as. Note that this is not to allow
us to delete the file, since that depends on the permissions
of the directory containing the file. That directory will
need to by owned by the dnsmasq user, and the ownership of the
file has to match, to keep systemd >273 happy. */
if ((getuid() == 0 && ent_pw && ent_pw->pw_uid != 0 && fchown(fd, ent_pw->pw_uid, ent_pw->pw_gid) == -1) ||
!read_write(fd, (unsigned char *)daemon->namebuff, strlen(daemon->namebuff), 0))
err = 1;
else
{