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commit 5a9af6376d43b58c6545feb86002812a57956654
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Sep 25 20:20:33 2015 +0200
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Fix inconsistent passwd compensation in nss/bug17079.c
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It used to be common practice to have a statically linked shell for an
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alternative root account, as in:
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root:x:0:0:root:/root:/bin/bash
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toor:x:0:0:root recovery account:/root:/sbin/sash
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This causes problems with passwd NSS tests because a UID-based lookup
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will only retrieve one of those entries. The original version of
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nss/bug17079.c detected this, but failed to use this information later
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on.
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diff --git a/nss/bug17079.c b/nss/bug17079.c
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index 9846737..0249922 100644
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--- a/nss/bug17079.c
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+++ b/nss/bug17079.c
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@@ -72,7 +72,11 @@ init_test_items (void)
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struct passwd *pwd2 = getpwuid (test_items[i].pw_uid);
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if (pwd1 == NULL || !equal (pwd1, test_items + i)
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|| pwd2 == NULL || !equal (pwd2, test_items + i))
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- test_items[i].pw_name = NULL;
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+ {
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+ printf ("info: skipping user \"%s\", UID %ld due to inconsistency\n",
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+ test_items[i].pw_name, (long) test_items[i].pw_uid);
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+ test_items[i].pw_name = NULL;
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+ }
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else
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found = true;
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}
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@@ -195,6 +199,10 @@ test_buffer_size (size_t buffer_size)
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for (int i = 0; i < test_count; ++i)
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for (size_t padding_size = 0; padding_size < 3; ++padding_size)
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{
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+ /* Skip entries with inconsistent name/UID lookups. */
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+ if (test_items[i].pw_name == NULL)
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+ continue;
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+
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test_one (test_items + i, buffer_size, '\0', padding_size);
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if (padding_size > 0)
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{
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