Committing regression tests for all implemented nsswitch databases.

Detailed description and instructions are in the README file.
This work had been basically done during GSoC 2006.

Approved by:	brooks (mentor)

1 files changed, 551 insertions, 0 deletions

diff --git a/tools/regression/lib/libc/nss/test-getserv.c b/tools/regression/lib/libc/nss/test-getserv.c
new file mode 100644
index 0000000..79d42f0
--- /dev/null
+++ b/tools/regression/lib/libc/nss/test-getserv.c
@@ -0,0 +1,551 @@
+/*-
+ * Copyright (c) 2006 Michael Bushkov <bushman@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <arpa/inet.h>
+#include <assert.h>
+#include <errno.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stringlist.h>
+#include <unistd.h>
+#include "testutil.h"
+
+enum test_methods {
+	TEST_GETSERVENT,
+	TEST_GETSERVBYNAME,
+	TEST_GETSERVBYPORT,
+	TEST_GETSERVENT_2PASS,
+	TEST_BUILD_SNAPSHOT
+};
+
+static int debug = 0;
+static enum test_methods method = TEST_BUILD_SNAPSHOT;
+
+DECLARE_TEST_DATA(servent)
+DECLARE_TEST_FILE_SNAPSHOT(servent)
+DECLARE_1PASS_TEST(servent)
+DECLARE_2PASS_TEST(servent)
+
+static void clone_servent(struct servent *, struct servent const *);
+static int compare_servent(struct servent *, struct servent *, void *);
+static void dump_servent(struct servent *);
+static void free_servent(struct servent *);
+
+static void sdump_servent(struct servent *, char *, size_t);
+static int servent_read_snapshot_func(struct servent *, char *);
+
+static int servent_check_ambiguity(struct servent_test_data *, 
+	struct servent *);
+static int servent_fill_test_data(struct servent_test_data *);
+static int servent_test_correctness(struct servent *, void *);
+static int servent_test_getservbyname(struct servent *, void *);
+static int servent_test_getservbyport(struct servent *, void *);
+static int servent_test_getservent(struct servent *, void *);
+	
+static void usage(void)  __attribute__((__noreturn__));
+
+IMPLEMENT_TEST_DATA(servent)
+IMPLEMENT_TEST_FILE_SNAPSHOT(servent)
+IMPLEMENT_1PASS_TEST(servent)
+IMPLEMENT_2PASS_TEST(servent)
+
+static void
+clone_servent(struct servent *dest, struct servent const *src)
+{
+	assert(dest != NULL);
+	assert(src != NULL);
+	
+	char **cp;
+	int aliases_num;
+		
+	memset(dest, 0, sizeof(struct servent));
+	
+	if (src->s_name != NULL) {
+		dest->s_name = strdup(src->s_name);
+		assert(dest->s_name != NULL);
+	}
+	
+	if (src->s_proto != NULL) {
+		dest->s_proto = strdup(src->s_proto);
+		assert(dest->s_proto != NULL);
+	}
+	dest->s_port = src->s_port;
+	
+	if (src->s_aliases != NULL) {
+		aliases_num = 0;
+		for (cp = src->s_aliases; *cp; ++cp)
+			++aliases_num;
+	
+		dest->s_aliases = (char **)malloc((aliases_num+1) * (sizeof(char *)));
+		assert(dest->s_aliases != NULL);
+		memset(dest->s_aliases, 0, (aliases_num+1) * (sizeof(char *)));
+	
+		for (cp = src->s_aliases; *cp; ++cp) {
+			dest->s_aliases[cp - src->s_aliases] = strdup(*cp);
+			assert(dest->s_aliases[cp - src->s_aliases] != NULL);
+		}
+	}
+}
+
+static void 
+free_servent(struct servent *serv)
+{
+	char **cp;
+	
+	assert(serv != NULL);
+	
+	free(serv->s_name);
+	free(serv->s_proto);
+	
+	for (cp = serv->s_aliases; *cp; ++cp)
+		free(*cp);
+	free(serv->s_aliases);
+}
+
+static  int 
+compare_servent(struct servent *serv1, struct servent *serv2, void *mdata)
+{
+	char **c1, **c2;
+        
+	if (serv1 == serv2)
+		return 0;
+        
+	if ((serv1 == NULL) || (serv2 == NULL))
+		goto errfin;
+        
+	if ((strcmp(serv1->s_name, serv2->s_name) != 0) ||
+		(strcmp(serv1->s_proto, serv2->s_proto) != 0) ||
+		(serv1->s_port != serv2->s_port))
+			goto errfin;
+        
+	c1 = serv1->s_aliases;
+	c2 = serv2->s_aliases;
+	
+	if ((serv1->s_aliases == NULL) || (serv2->s_aliases == NULL))
+		goto errfin;
+	
+	for (;*c1 && *c2; ++c1, ++c2)
+		if (strcmp(*c1, *c2) != 0)
+			goto errfin;
+                
+	if ((*c1 != '\0') || (*c2 != '\0'))
+		goto errfin;
+        
+	return 0;
+	
+errfin:
+	if ((debug) && (mdata == NULL)) {
+		printf("following structures are not equal:\n");
+		dump_servent(serv1);
+		dump_servent(serv2);
+	}
+
+	return (-1);
+}
+
+static void
+sdump_servent(struct servent *serv, char *buffer, size_t buflen)
+{
+	char **cp;
+	int written;
+	
+	written = snprintf(buffer, buflen, "%s %d %s",
+		serv->s_name, ntohs(serv->s_port), serv->s_proto);	
+	buffer += written;
+	if (written > buflen)
+		return;
+	buflen -= written;
+			
+	if (serv->s_aliases != NULL) {
+		if (*(serv->s_aliases) != '\0') {
+			for (cp = serv->s_aliases; *cp; ++cp) {
+				written = snprintf(buffer, buflen, " %s",*cp);
+				buffer += written;
+				if (written > buflen)
+					return;
+				buflen -= written;
+				
+				if (buflen == 0)
+					return;				
+			}
+		} else
+			snprintf(buffer, buflen, " noaliases");
+	} else
+		snprintf(buffer, buflen, " (null)");
+}
+
+static int
+servent_read_snapshot_func(struct servent *serv, char *line)
+{
+	StringList *sl;
+	char *s, *ps, *ts;
+	int i;
+
+	if (debug)
+		printf("1 line read from snapshot:\n%s\n", line);
+	
+	i = 0;
+	sl = NULL;
+	ps = line;
+	memset(serv, 0, sizeof(struct servent));
+	while ( (s = strsep(&ps, " ")) != NULL) {
+		switch (i) {
+			case 0:
+				serv->s_name = strdup(s);
+				assert(serv->s_name != NULL);
+			break;
+
+			case 1:
+				serv->s_port = htons(
+					(int)strtol(s, &ts, 10));
+				if (*ts != '\0') {
+					free(serv->s_name);
+					return (-1);
+				}
+			break;
+
+			case 2:
+				serv->s_proto = strdup(s);
+				assert(serv->s_proto != NULL);
+			break;
+
+			default:
+				if (sl == NULL) {
+					if (strcmp(s, "(null)") == 0)
+						return (0);
+										
+					sl = sl_init();
+					assert(sl != NULL);
+					
+					if (strcmp(s, "noaliases") != 0) {
+						ts = strdup(s);
+						assert(ts != NULL);
+						sl_add(sl, ts);
+					}
+				} else {
+					ts = strdup(s);
+					assert(ts != NULL);
+					sl_add(sl, ts);
+				}
+			break;			
+		};
+		++i;
+	}
+
+	if (i < 3) {
+		free(serv->s_name);
+		free(serv->s_proto);
+		memset(serv, 0, sizeof(struct servent));
+		return (-1);
+	}
+	
+	sl_add(sl, NULL);
+	serv->s_aliases = sl->sl_str;
+
+	/* NOTE: is it a dirty hack or not? */
+	free(sl);	
+	return (0);
+}
+
+static void 
+dump_servent(struct servent *result)
+{
+	if (result != NULL) {
+		char buffer[1024];
+		sdump_servent(result, buffer, sizeof(buffer));
+		printf("%s\n", buffer);
+	} else
+		printf("(null)\n");
+}
+
+static int
+servent_fill_test_data(struct servent_test_data *td)
+{
+	struct servent *serv;
+		
+	setservent(1);
+	while ((serv = getservent()) != NULL) {
+		if (servent_test_correctness(serv, NULL) == 0)
+			TEST_DATA_APPEND(servent, td, serv);
+		else
+			return (-1);
+	}
+	endservent();
+	
+	return (0);
+}
+
+static int
+servent_test_correctness(struct servent *serv, void *mdata)
+{
+	if (debug) {
+		printf("testing correctness with the following data:\n");
+		dump_servent(serv);
+	}
+	
+	if (serv == NULL)
+		goto errfin;
+	
+	if (serv->s_name == NULL)
+		goto errfin;
+	
+	if (serv->s_proto == NULL)
+		goto errfin;
+	
+	if (ntohs(serv->s_port < 0))
+		goto errfin;
+	
+	if (serv->s_aliases == NULL)
+		goto errfin;
+	
+	if (debug)
+		printf("correct\n");
+	
+	return (0);	
+errfin:
+	if (debug)
+		printf("incorrect\n");
+	
+	return (-1);
+}
+
+/* servent_check_ambiguity() is needed when one port+proto is associated with
+ * more than one service (these cases are usually marked as PROBLEM in
+ * /etc/services. This functions is needed also when one service+proto is 
+ * associated with several ports. We have to check all the servent structures
+ * to make sure that serv really exists and correct */
+static int
+servent_check_ambiguity(struct servent_test_data *td, struct servent *serv)
+{
+	
+	return (TEST_DATA_FIND(servent, td, serv, compare_servent,
+		NULL) != NULL ? 0 : -1);
+}
+
+static int
+servent_test_getservbyname(struct servent *serv_model, void *mdata)
+{
+	char **alias;
+	struct servent *serv;
+		
+	if (debug) {
+		printf("testing getservbyname() with the following data:\n");
+		dump_servent(serv_model);
+	}
+
+	serv = getservbyname(serv_model->s_name, serv_model->s_proto);
+	if (servent_test_correctness(serv, NULL) != 0)
+		goto errfin;
+	
+	if ((compare_servent(serv, serv_model, NULL) != 0) &&
+	    (servent_check_ambiguity((struct servent_test_data *)mdata, serv) 
+	    !=0))
+	    goto errfin;
+	
+	for (alias = serv_model->s_aliases; *alias; ++alias) {
+		serv = getservbyname(*alias, serv_model->s_proto);
+		
+		if (servent_test_correctness(serv, NULL) != 0)
+			goto errfin;
+		
+		if ((compare_servent(serv, serv_model, NULL) != 0) &&
+		    (servent_check_ambiguity(
+		    (struct servent_test_data *)mdata, serv) != 0))
+		    goto errfin;
+	}
+	
+	if (debug)
+		printf("ok\n");
+	return (0);
+	
+errfin:
+	if (debug)
+		printf("not ok\n");
+	
+	return (-1);
+}
+
+static int
+servent_test_getservbyport(struct servent *serv_model, void *mdata)
+{
+	struct servent *serv;
+		
+	if (debug) {
+		printf("testing getservbyport() with the following data...\n");
+		dump_servent(serv_model);
+	}	
+	
+	serv = getservbyport(serv_model->s_port, serv_model->s_proto);
+	if ((servent_test_correctness(serv, NULL) != 0) || 
+	    ((compare_servent(serv, serv_model, NULL) != 0) &&
+	    (servent_check_ambiguity((struct servent_test_data *)mdata, serv)
+	    != 0))) {
+	    if (debug)
+		printf("not ok\n");
+	    return (-1);
+	} else {
+	    if (debug)
+		printf("ok\n");
+	    return (0);
+	}
+}
+
+static int 
+servent_test_getservent(struct servent *serv, void *mdata)
+{
+	/* Only correctness can be checked when doing 1-pass test for
+	 * getservent(). */
+	return (servent_test_correctness(serv, NULL));
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr,
+	    "Usage: %s -npe2 [-d] [-s <file>]\n",
+	    getprogname());
+	exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+	struct servent_test_data td, td_snap, td_2pass;
+	char *snapshot_file;
+	int rv;
+	int c;
+	
+	if (argc < 2)
+		usage();
+		
+	snapshot_file = NULL;
+	while ((c = getopt(argc, argv, "npe2ds:")) != -1)
+		switch (c) {
+		case 'd':
+			debug++;
+			break;
+		case 'n':
+			method = TEST_GETSERVBYNAME;
+			break;
+		case 'p':
+			method = TEST_GETSERVBYPORT;
+			break;
+		case 'e':
+			method = TEST_GETSERVENT;
+			break;
+		case '2':
+			method = TEST_GETSERVENT_2PASS;
+			break;
+		case 's':
+			snapshot_file = strdup(optarg);
+			break;
+		default:
+			usage();
+		}
+	
+	TEST_DATA_INIT(servent, &td, clone_servent, free_servent);
+	TEST_DATA_INIT(servent, &td_snap, clone_servent, free_servent);
+	if (snapshot_file != NULL) {
+		if (access(snapshot_file, W_OK | R_OK) != 0) {		
+			if (errno == ENOENT)
+				method = TEST_BUILD_SNAPSHOT;
+			else {
+				if (debug)
+					printf("can't access the file %s\n",
+				snapshot_file);
+			
+				rv = -1;
+				goto fin;
+			}
+		} else {
+			if (method == TEST_BUILD_SNAPSHOT) {
+				rv = 0;
+				goto fin;
+			}
+			
+			TEST_SNAPSHOT_FILE_READ(servent, snapshot_file,
+				&td_snap, servent_read_snapshot_func);
+		}
+	}
+		
+	rv = servent_fill_test_data(&td);
+	if (rv == -1)
+		return (-1);
+	switch (method) {
+	case TEST_GETSERVBYNAME:
+		if (snapshot_file == NULL)
+			rv = DO_1PASS_TEST(servent, &td,
+				servent_test_getservbyname, (void *)&td);
+		else
+			rv = DO_1PASS_TEST(servent, &td_snap, 
+				servent_test_getservbyname, (void *)&td_snap);
+		break;
+	case TEST_GETSERVBYPORT:
+		if (snapshot_file == NULL)
+			rv = DO_1PASS_TEST(servent, &td,
+				servent_test_getservbyport, (void *)&td);
+		else
+			rv = DO_1PASS_TEST(servent, &td_snap, 
+				servent_test_getservbyport, (void *)&td_snap);
+		break;
+	case TEST_GETSERVENT:
+		if (snapshot_file == NULL)
+			rv = DO_1PASS_TEST(servent, &td, servent_test_getservent,
+				(void *)&td);
+		else
+			rv = DO_2PASS_TEST(servent, &td, &td_snap,
+				compare_servent, NULL);
+		break;
+	case TEST_GETSERVENT_2PASS:
+			TEST_DATA_INIT(servent, &td_2pass, clone_servent, free_servent);
+			rv = servent_fill_test_data(&td_2pass);			
+			if (rv != -1)
+				rv = DO_2PASS_TEST(servent, &td, &td_2pass,
+					compare_servent, NULL);
+			TEST_DATA_DESTROY(servent, &td_2pass);
+		break;
+	case TEST_BUILD_SNAPSHOT:
+		if (snapshot_file != NULL)
+		    rv = TEST_SNAPSHOT_FILE_WRITE(servent, snapshot_file, &td, 
+			sdump_servent);
+		break;
+	default:
+		rv = 0;
+		break;
+	};
+
+fin:
+	TEST_DATA_DESTROY(servent, &td_snap);
+	TEST_DATA_DESTROY(servent, &td);
+	free(snapshot_file);	
+	return (rv);
+}