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authorDJ Delorie <dj@delorie.com>2017-07-17 15:50:43 -0400
committerDJ Delorie <dj@delorie.com>2017-07-17 15:52:44 -0400
commitae5c498d93d049d9574d3f8f18e62cac64cbdf5c (patch)
tree986e51e120bd42c02fe2ee5a4b04ca13951600e3 /nss/nss_test.h
parent48145e1c7dabaeab7ad8346d14f910cdeb6bc910 (diff)
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Extend NSS test suite
* nss/nss_test.h: New. * nss/nss_test1.h: Rewrite to use test-provided data. Add group tests. Parameterize to allow multiple instances. * nss/nss_test2.h: New. Second instance. * nss/nss_test.ver: New. * nss/nss_test1.c: Update to use new framework. * nss/nss_test2.c: New. * nss/nss_test3.c: New. * nss/nss_test4.c: New. * nss/nss_test5.c: New. * nss/Makefile: Build new tests. * shlib-versions: Add libnss_test2.
Diffstat (limited to 'nss/nss_test.h')
-rw-r--r--nss/nss_test.h308
1 files changed, 308 insertions, 0 deletions
diff --git a/nss/nss_test.h b/nss/nss_test.h
new file mode 100644
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+++ b/nss/nss_test.h
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+/* Common code for NSS test cases.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+/* There are two (or more) NSS test modules named nss_test1,
+ nss_test2, etc. Each one will call a function IN THE TEST CASE
+ called _nss_test1_init_hook(test_tables *) (or _nss_test2_*, etc).
+
+ In your copy of the hook function, you may change the *_table
+ pointers in the passed struct to point to static tables in your
+ test case, and the test modules will use that table instead.
+
+ Your tables MUST end with an entry that has a *_LAST() macro.
+ Use the *_ISLAST() macro to test for end of list.
+
+ Use __nss_configure_lookup("passwd", "test1 test2") (for example) to
+ configure NSS to use the test modules. */
+
+#include <pwd.h>
+#include <grp.h>
+
+typedef struct test_tables {
+ struct passwd *pwd_table;
+ struct group *grp_table;
+} test_tables;
+
+extern void _nss_test1_init_hook (test_tables *) __attribute__((weak));
+extern void _nss_test2_init_hook (test_tables *) __attribute__((weak));
+
+#define PWD_LAST() { .pw_name = NULL, .pw_uid = 0 }
+#define GRP_LAST() { .gr_name = NULL, .gr_gid = 0 }
+
+#define PWD_ISLAST(p) ((p)->pw_name == NULL && (p)->pw_uid == 0)
+#define GRP_ISLAST(g) ((g)->gr_name == NULL && (g)->gr_gid == 0)
+
+/* Macros to fill in the tables easily. */
+
+/* Note that the "unparameterized" fields are not magic; they're just
+ arbitrary values. Tests which need to verify those fields should
+ fill them in explicitly. */
+
+#define PWD(u) \
+ { .pw_name = (char *) "name" #u, .pw_passwd = (char *) "*", .pw_uid = u, \
+ .pw_gid = 100, .pw_gecos = (char *) "*", .pw_dir = (char *) "*", \
+ .pw_shell = (char *) "*" }
+
+#define PWD_N(u,n) \
+ { .pw_name = (char *) n, .pw_passwd = (char *) "*", .pw_uid = u, \
+ .pw_gid = 100, .pw_gecos = (char *) "*", .pw_dir = (char *) "*", \
+ .pw_shell = (char *) "*" }
+
+#define GRP(u) \
+ { .gr_name = (char *) "name" #u, .gr_passwd = (char *) "*", .gr_gid = u, \
+ .gr_mem = (char **) group_##u }
+
+#define GRP_N(u,n,m) \
+ { .gr_name = (char *) n, .gr_passwd = (char *) "*", .gr_gid = u, \
+ .gr_mem = (char **) m }
+
+/*------------------------------------------------------------*/
+
+/* Helper functions for testing passwd entries. Call
+ compare_passwds() passing a test index, the passwd entry you got,
+ and the expected passwd entry. The function will return the number
+ of mismatches, or zero of the two records are the same. */
+
+static void __attribute__((used))
+print_passwd (struct passwd *p)
+{
+ printf (" passwd %u.%s (%s) :", p->pw_uid, p->pw_name, p->pw_passwd);
+ printf (" %u, %s, %s, %s\n", p->pw_gid, p->pw_gecos, p->pw_dir, p->pw_shell);
+ printf ("\n");
+}
+
+static int __attribute__((used))
+compare_passwd_field (int i, struct passwd *p, const char *got,
+ const char *exp, const char *name)
+{
+ /* Does the entry have a value? */
+ if (got == NULL)
+ {
+ printf ("[%d] passwd %s for %u.%s was (null)\n",
+ i, name,
+ p->pw_uid, p->pw_name);
+ return 1;
+ }
+ /* Does the entry have an unexpected name? */
+ else if (exp == NULL)
+ {
+ printf ("[%d] passwd %s for %u.(null) was %s\n",
+ i, name,
+ p->pw_uid, got);
+ return 1;
+ }
+ /* And is it correct? */
+ else if (got && strcmp (got, exp) != 0)
+ {
+ printf("[%d] passwd entry %u.%s had %s \"%s\" (expected \"%s\") \n",
+ i,
+ p->pw_uid, p->pw_name, name,
+ got, exp);
+ return 1;
+ }
+ return 0;
+}
+
+#define COMPARE_PWD_FIELD(f) \
+ retval += compare_passwd_field (i, e, p->f, e->f, #f)
+
+/* Compare passwd to expected passwd, return number of "problems".
+ "I" is the index into the testcase data. */
+static int __attribute__((used))
+compare_passwds (int i, struct passwd *p, struct passwd *e)
+{
+ int retval = 0;
+
+ /* Did we get the expected uid? */
+ if (p->pw_uid != e->pw_uid)
+ {
+ printf("[%d] passwd entry %u.%s had uid %u\n", i,
+ e->pw_uid, e->pw_name,
+ p->pw_uid);
+ ++retval;
+ }
+
+ /* Did we get the expected gid? */
+ if (p->pw_gid != e->pw_gid)
+ {
+ printf("[%d] passwd entry %u.%s had gid %u (expected %u)\n", i,
+ e->pw_uid, e->pw_name,
+ p->pw_gid, e->pw_gid);
+ ++retval;
+ }
+
+ COMPARE_PWD_FIELD (pw_name);
+ COMPARE_PWD_FIELD (pw_passwd);
+ COMPARE_PWD_FIELD (pw_gecos);
+ COMPARE_PWD_FIELD (pw_dir);
+ COMPARE_PWD_FIELD (pw_shell);
+
+ if (retval > 0)
+ {
+ /* Left in for debugging later, if needed. */
+ print_passwd (p);
+ print_passwd (e);
+ }
+
+ return retval;
+}
+
+/*------------------------------------------------------------*/
+
+/* Helpers for checking group entries. See passwd helper comment
+ above for details. */
+
+static void __attribute__((used))
+print_group (struct group *g)
+{
+ int j;
+
+ printf (" group %u.%s (%s) :", g->gr_gid, g->gr_name, g->gr_passwd);
+ if (g->gr_mem)
+ for (j=0; g->gr_mem[j]; j++)
+ printf ("%s%s", j==0 ? " " : ", ", g->gr_mem[j]);
+ printf ("\n");
+}
+
+/* Compare group to expected group, return number of "problems". "I"
+ is the index into the testcase data. */
+static int __attribute__((used))
+compare_groups (int i, struct group *g, struct group *e)
+{
+ int j;
+ int retval = 0;
+
+ /* Did we get the expected gid? */
+ if (g->gr_gid != e->gr_gid)
+ {
+ printf("[%d] group entry %u.%s had gid %u\n", i,
+ e->gr_gid, e->gr_name,
+ g->gr_gid);
+ ++retval;
+ }
+
+ /* Does the entry have a name? */
+ if (g->gr_name == NULL)
+ {
+ printf ("[%d] group name for %u.%s was (null)\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ }
+ /* Does the entry have an unexpected name? */
+ else if (e->gr_name == NULL)
+ {
+ printf ("[%d] group name for %u.(null) was %s\n", i,
+ e->gr_gid, g->gr_name);
+ ++retval;
+ }
+ /* And is it correct? */
+ else if (strcmp (g->gr_name, e->gr_name) != 0)
+ {
+ printf("[%d] group entry %u.%s had name \"%s\"\n", i,
+ e->gr_gid, e->gr_name,
+ g->gr_name);
+ ++retval;
+ }
+
+ /* Does the entry have a password? */
+ if (g->gr_passwd == NULL && e->gr_passwd != NULL)
+ {
+ printf ("[%d] group password for %u.%s was NULL\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ }
+ else if (g->gr_passwd != NULL && e->gr_passwd == NULL)
+ {
+ printf ("[%d] group password for %u.%s was not NULL\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ }
+ /* And is it correct? */
+ else if (g->gr_passwd && strcmp (g->gr_passwd, e->gr_passwd) != 0)
+ {
+ printf("[%d] group entry %u.%s had password \"%s\" (not \"%s\")\n", i,
+ e->gr_gid, e->gr_name,
+ g->gr_passwd, e->gr_passwd);
+ ++retval;
+ }
+
+ /* Now compare group members... */
+
+ if (e->gr_mem != NULL && g->gr_mem == NULL)
+ {
+ printf("[%d] group entry %u.%s missing member list\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ }
+ else if (e->gr_mem == NULL && g->gr_mem != NULL)
+ {
+ printf("[%d] group entry %u.%s has unexpected member list\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ }
+ else if (e->gr_mem == NULL && g->gr_mem == NULL)
+ {
+ /* This case is OK. */
+ }
+ else
+ {
+ /* Compare two existing lists. */
+ j = 0;
+ for (;;)
+ {
+ if (g->gr_mem[j] == NULL && e->gr_mem[j] == NULL)
+ {
+ /* Matching end-of-lists. */
+ break;
+ }
+ if (g->gr_mem[j] == NULL)
+ {
+ printf ("[%d] group member list for %u.%s is too short.\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ break;
+ }
+ if (e->gr_mem[j] == NULL)
+ {
+ printf ("[%d] group member list for %u.%s is too long.\n", i,
+ e->gr_gid, e->gr_name);
+ ++retval;
+ break;
+ }
+ if (strcmp (g->gr_mem[j], e->gr_mem[j]) != 0)
+ {
+ printf ("[%d] group member list for %u.%s differs: %s vs %s.\n", i,
+ e->gr_gid, e->gr_name,
+ e->gr_mem[j], g->gr_mem[j]);
+ ++retval;
+ }
+
+ j++;
+ }
+ }
+
+ if (retval > 0)
+ {
+ /* Left in for debugging later, if needed. */
+ print_group (g);
+ print_group (e);
+ }
+
+ return retval;
+}