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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/smtpd/smtpd/../table_static.c	Lines:	0	105	0.0 %
Date:	2017-11-13	Branches:	0	90	0.0 %


/*	$OpenBSD: table_static.c,v 1.17 2017/08/29 07:37:11 eric Exp $	*/

/*
 * Copyright (c) 2013 Eric Faurot <eric@openbsd.org>
 * Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/socket.h>

#include <netinet/in.h>
#include <arpa/inet.h>

#include <ctype.h>
#include <err.h>
#include <event.h>
#include <fcntl.h>
#include <imsg.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>

#include "smtpd.h"
#include "log.h"

/* static backend */
static int table_static_config(struct table *);
static int table_static_update(struct table *);
static void *table_static_open(struct table *);
static int table_static_lookup(void *, struct dict *, const char *,
    enum table_service, union lookup *);
static int table_static_fetch(void *, struct dict *, enum table_service,
    union lookup *);
static void  table_static_close(void *);

struct table_backend table_backend_static = {
	K_ALIAS|K_CREDENTIALS|K_DOMAIN|K_NETADDR|K_USERINFO|
	K_SOURCE|K_MAILADDR|K_ADDRNAME|K_MAILADDRMAP,
	table_static_config,
	table_static_open,
	table_static_update,
	table_static_close,
	table_static_lookup,
	table_static_fetch
};

static struct keycmp {
	enum table_service	service;
	int		       (*func)(const char *, const char *);
} keycmp[] = {
	{ K_DOMAIN, table_domain_match },
	{ K_NETADDR, table_netaddr_match },
	{ K_MAILADDR, table_mailaddr_match }
};


static int
table_static_config(struct table *t)
{
	FILE	*fp;
	char	*buf = NULL, *p;
	int	 lineno = 0;
	size_t	 sz = 0;
	ssize_t	 flen;
	char	*keyp;
	char	*valp;
	size_t	 ret = 0;

	/* no config ? ok */
	if (*t->t_config == '\0')
		return 1;

	if ((fp = fopen(t->t_config, "r")) == NULL) {
		log_warn("warn: Table \"%s\"", t->t_config);
		return 0;
	}

	while ((flen = getline(&buf, &sz, fp)) != -1) {
		lineno++;
		if (buf[flen - 1] == '\n')
			buf[--flen] = '\0';

		keyp = buf;
		while (isspace((unsigned char)*keyp)) {
			++keyp;
			--flen;
		}
		if (*keyp == '\0')
			continue;
		while (isspace((unsigned char)keyp[flen - 1]))
			keyp[--flen] = '\0';
		if (*keyp == '#') {
			if (t->t_type == T_NONE) {
				keyp++;
				while (isspace((unsigned char)*keyp))
					++keyp;
				if (!strcmp(keyp, "@list"))
					t->t_type = T_LIST;
			}
			continue;
		}

		if (t->t_type == T_NONE) {
			for (p = keyp; *p; p++) {
				if (*p == ' ' || *p == '\t' || *p == ':') {
					t->t_type = T_HASH;
					break;
				}
			}
			if (t->t_type == T_NONE)
				t->t_type = T_LIST;
		}

		if (t->t_type == T_LIST) {
			table_add(t, keyp, NULL);
			continue;
		}

		/* T_HASH */
		valp = keyp;
		strsep(&valp, " \t:");
		if (valp) {
			while (*valp) {
				if (!isspace((unsigned char)*valp) &&
				    !(*valp == ':' &&
				    isspace((unsigned char)*(valp + 1))))
					break;
				++valp;
			}
			if (*valp == '\0')
				valp = NULL;
		}
		if (valp == NULL) {
			log_warnx("%s: invalid map entry line %d", t->t_config,
			    lineno);
			goto end;
		}

		table_add(t, keyp, valp);
	}

	if (ferror(fp)) {
		log_warn("%s: getline", t->t_config);
		goto end;
	}

	/* Accept empty alias files; treat them as hashes */
	if (t->t_type == T_NONE && t->t_backend->services & K_ALIAS)
	    t->t_type = T_HASH;

	ret = 1;
end:
	free(buf);
	fclose(fp);
	return ret;
}

static int
table_static_update(struct table *table)
{
	struct table	*t;
	void		*p = NULL;

	/* no config ? ok */
	if (table->t_config[0] == '\0')
		goto ok;

	t = table_create("static", table->t_name, "update", table->t_config);
	if (!table_config(t))
		goto err;

	/* replace former table, frees t */
	while (dict_poproot(&table->t_dict, (void **)&p))
		free(p);
	dict_merge(&table->t_dict, &t->t_dict);
	table_destroy(t);

ok:
	log_info("info: Table \"%s\" successfully updated", table->t_name);
	return 1;

err:
	table_destroy(t);
	log_info("info: Failed to update table \"%s\"", table->t_name);
	return 0;
}

static void *
table_static_open(struct table *table)
{
	return table;
}

static void
table_static_close(void *hdl)
{
	return;
}

static int
table_static_lookup(void *hdl, struct dict *params, const char *key,
    enum table_service service, union lookup *lk)
{
	struct table   *m  = hdl;
	char	       *line;
	int		ret;
	int	       (*match)(const char *, const char *) = NULL;
	size_t		i;
	void	       *iter;
	const char     *k;
	char	       *v;

	for (i = 0; i < nitems(keycmp); ++i)
		if (keycmp[i].service == service)
			match = keycmp[i].func;

	line = NULL;
	iter = NULL;
	ret = 0;
	while (dict_iter(&m->t_dict, &iter, &k, (void **)&v)) {
		if (match) {
			if (match(key, k)) {
				line = v;
				ret = 1;
			}
		}
		else {
			if (strcmp(key, k) == 0) {
				line = v;
				ret = 1;
			}
		}
		if (ret)
			break;
	}

	if (lk == NULL)
		return ret ? 1 : 0;

	if (ret == 0)
		return 0;

	return table_parse_lookup(service, key, line, lk);
}

static int
table_static_fetch(void *hdl, struct dict *params,
    enum table_service service, union lookup *lk)
{
	struct table   *t = hdl;
	const char     *k;

	if (!dict_iter(&t->t_dict, &t->t_iter, &k, (void **)NULL)) {
		t->t_iter = NULL;
		if (!dict_iter(&t->t_dict, &t->t_iter, &k, (void **)NULL))
			return 0;
	}

	if (lk == NULL)
		return 1;

	return table_parse_lookup(service, NULL, k, lk);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: table_static.c,v 1.17 2017/08/29 07:37:11 eric Exp $ */
2
3			/*
4			* Copyright (c) 2013 Eric Faurot <eric@openbsd.org>
5			* Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
6			*
7			* Permission to use, copy, modify, and distribute this software for any
8			* purpose with or without fee is hereby granted, provided that the above
9			* copyright notice and this permission notice appear in all copies.
10			*
11			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19
20			#include <sys/types.h>
21			#include <sys/queue.h>
22			#include <sys/tree.h>
23			#include <sys/socket.h>
24
25			#include <netinet/in.h>
26			#include <arpa/inet.h>
27
28			#include <ctype.h>
29			#include <err.h>
30			#include <event.h>
31			#include <fcntl.h>
32			#include <imsg.h>
33			#include <stdio.h>
34			#include <stdlib.h>
35			#include <limits.h>
36			#include <string.h>
37
38			#include "smtpd.h"
39			#include "log.h"
40
41			/* static backend */
42			static int table_static_config(struct table *);
43			static int table_static_update(struct table *);
44			static void table_static_open(struct table );
45			static int table_static_lookup(void , struct dict , const char *,
46			enum table_service, union lookup *);
47			static int table_static_fetch(void , struct dict , enum table_service,
48			union lookup *);
49			static void table_static_close(void *);
50
51			struct table_backend table_backend_static = {
52			K_ALIAS\|K_CREDENTIALS\|K_DOMAIN\|K_NETADDR\|K_USERINFO\|
53			K_SOURCE\|K_MAILADDR\|K_ADDRNAME\|K_MAILADDRMAP,
54			table_static_config,
55			table_static_open,
56			table_static_update,
57			table_static_close,
58			table_static_lookup,
59			table_static_fetch
60			};
61
62			static struct keycmp {
63			enum table_service service;
64			int (func)(const char , const char *);
65			} keycmp[] = {
66			{ K_DOMAIN, table_domain_match },
67			{ K_NETADDR, table_netaddr_match },
68			{ K_MAILADDR, table_mailaddr_match }
69			};
70
71
72			static int
73			table_static_config(struct table *t)
74			{
75			FILE *fp;
76			char buf = NULL, p;
77			int lineno = 0;
78			size_t sz = 0;
79			ssize_t flen;
80			char *keyp;
81			char *valp;
82			size_t ret = 0;
83
84			/* no config ? ok */
85			if (*t->t_config == '\0')
86			return 1;
87
88			if ((fp = fopen(t->t_config, "r")) == NULL) {
89			log_warn("warn: Table \"%s\"", t->t_config);
90			return 0;
91			}
92
93			while ((flen = getline(&buf, &sz, fp)) != -1) {
94			lineno++;
95			if (buf[flen - 1] == '\n')
96			buf[--flen] = '\0';
97
98			keyp = buf;
99			while (isspace((unsigned char)*keyp)) {
100			++keyp;
101			--flen;
102			}
103			if (*keyp == '\0')
104			continue;
105			while (isspace((unsigned char)keyp[flen - 1]))
106			keyp[--flen] = '\0';
107			if (*keyp == '#') {
108			if (t->t_type == T_NONE) {
109			keyp++;
110			while (isspace((unsigned char)*keyp))
111			++keyp;
112			if (!strcmp(keyp, "@list"))
113			t->t_type = T_LIST;
114			}
115			continue;
116			}
117
118			if (t->t_type == T_NONE) {
119			for (p = keyp; *p; p++) {
120			if (p == ' ' \|\| p == '\t' \|\| *p == ':') {
121			t->t_type = T_HASH;
122			break;
123			}
124			}
125			if (t->t_type == T_NONE)
126			t->t_type = T_LIST;
127			}
128
129			if (t->t_type == T_LIST) {
130			table_add(t, keyp, NULL);
131			continue;
132			}
133
134			/* T_HASH */
135			valp = keyp;
136			strsep(&valp, " \t:");
137			if (valp) {
138			while (*valp) {
139			if (!isspace((unsigned char)*valp) &&
140			!(*valp == ':' &&
141			isspace((unsigned char)*(valp + 1))))
142			break;
143			++valp;
144			}
145			if (*valp == '\0')
146			valp = NULL;
147			}
148			if (valp == NULL) {
149			log_warnx("%s: invalid map entry line %d", t->t_config,
150			lineno);
151			goto end;
152			}
153
154			table_add(t, keyp, valp);
155			}
156
157			if (ferror(fp)) {
158			log_warn("%s: getline", t->t_config);
159			goto end;
160			}
161
162			/* Accept empty alias files; treat them as hashes */
163			if (t->t_type == T_NONE && t->t_backend->services & K_ALIAS)
164			t->t_type = T_HASH;
165
166			ret = 1;
167			end:
168			free(buf);
169			fclose(fp);
170			return ret;
171			}
172
173			static int
174			table_static_update(struct table *table)
175			{
176			struct table *t;
177			void *p = NULL;
178
179			/* no config ? ok */
180			if (table->t_config[0] == '\0')
181			goto ok;
182
183			t = table_create("static", table->t_name, "update", table->t_config);
184			if (!table_config(t))
185			goto err;
186
187			/* replace former table, frees t */
188			while (dict_poproot(&table->t_dict, (void **)&p))
189			free(p);
190			dict_merge(&table->t_dict, &t->t_dict);
191			table_destroy(t);
192
193			ok:
194			log_info("info: Table \"%s\" successfully updated", table->t_name);
195			return 1;
196
197			err:
198			table_destroy(t);
199			log_info("info: Failed to update table \"%s\"", table->t_name);
200			return 0;
201			}
202
203			static void *
204			table_static_open(struct table *table)
205			{
206			return table;
207			}
208
209			static void
210			table_static_close(void *hdl)
211			{
212			return;
213			}
214
215			static int
216			table_static_lookup(void hdl, struct dict params, const char *key,
217			enum table_service service, union lookup *lk)
218			{
219			struct table *m = hdl;
220			char *line;
221			int ret;
222			int (match)(const char , const char *) = NULL;
223			size_t i;
224			void *iter;
225			const char *k;
226			char *v;
227
228			for (i = 0; i < nitems(keycmp); ++i)
229			if (keycmp[i].service == service)
230			match = keycmp[i].func;
231
232			line = NULL;
233			iter = NULL;
234			ret = 0;
235			while (dict_iter(&m->t_dict, &iter, &k, (void **)&v)) {
236			if (match) {
237			if (match(key, k)) {
238			line = v;
239			ret = 1;
240			}
241			}
242			else {
243			if (strcmp(key, k) == 0) {
244			line = v;
245			ret = 1;
246			}
247			}
248			if (ret)
249			break;
250			}
251
252			if (lk == NULL)
253			return ret ? 1 : 0;
254
255			if (ret == 0)
256			return 0;
257
258			return table_parse_lookup(service, key, line, lk);
259			}
260
261			static int
262			table_static_fetch(void hdl, struct dict params,
263			enum table_service service, union lookup *lk)
264			{
265			struct table *t = hdl;
266			const char *k;
267
268			if (!dict_iter(&t->t_dict, &t->t_iter, &k, (void **)NULL)) {
269			t->t_iter = NULL;
270			if (!dict_iter(&t->t_dict, &t->t_iter, &k, (void **)NULL))
271			return 0;
272			}
273
274			if (lk == NULL)
275			return 1;
276
277			return table_parse_lookup(service, NULL, k, lk);
278			}