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Description: Do not call chown(2) unless we need to
Apparently some glibc/kernel combinations will fail for unprivileged
users even for chown(-1, -1).
Fixes the FTBFS on sparc64.
Forwarded: no
Author: Peter Pentchev <roam@ringlet.net>
Last-Update: 2024-12-13
--- a/unixserver.c
+++ b/unixserver.c
@@ -243,7 +243,8 @@
if(bind(s, (struct sockaddr*)saddr, SUN_LEN(saddr)) != 0)
die("bind");
umask(old_umask);
- if(chown(opt_socket, opt_socket_uid, opt_socket_gid) == -1)
+ if((opt_socket_uid != (uid_t)-1 || opt_socket_gid != (gid_t)-1) &&
+ chown(opt_socket, opt_socket_uid, opt_socket_gid) == -1)
die("chown");
if(opt_perms && chmod(opt_socket, opt_perms) == -1)
die("chmod");
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