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Warn if failed to read existing /etc/nsswitch.conf

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Commit 90424e7c ("Don't warn when failed to open /etc/nsswitch.conf")
removed the logging for failing to read /etc/nsswitch.conf to reduce the
noise in the case the file does not exists (e.g. musl based systems).

Reintroduce a warning if /etc/nsswitch.conf exists but we failed to read
it (e.g. permission denied).

Improves: 90424e7c ("Don't warn when failed to open /etc/nsswitch.conf")
This commit is contained in:
Christian Göttsche 2023-01-02 16:11:58 +01:00 committed by Serge Hallyn
parent 609c641323
commit 1d936c968a
1 changed files with 3 additions and 0 deletions
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lib/nss.c
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@ -59,6 +59,9 @@ void nss_init(const char *nsswitch_path) {
// subid: files // subid: files
nssfp = fopen(nsswitch_path, "r"); nssfp = fopen(nsswitch_path, "r");
if (!nssfp) { if (!nssfp) {
if (errno != ENOENT)
fprintf(shadow_logfd, "Failed opening %s: %m\n", nsswitch_path);
atomic_store(&nss_init_completed, true); atomic_store(&nss_init_completed, true);
return; return;
} }