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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/cron/user.c	Lines:	0	46	0.0 %
Date:	2017-11-13	Branches:	0	23	0.0 %


/*	$OpenBSD: user.c,v 1.20 2017/06/07 23:36:43 millert Exp $	*/

/* Copyright 1988,1990,1993,1994 by Paul Vixie
 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
 * Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
 *
 * 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 ISC DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC 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 <bitstring.h>		/* for structs.h */
#include <ctype.h>
#include <errno.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <time.h>		/* for structs.h */

#include "macros.h"
#include "structs.h"
#include "funcs.h"
#include "globals.h"

void
free_user(user *u)
{
	entry *e;

	while ((e = SLIST_FIRST(&u->crontab))) {
		SLIST_REMOVE_HEAD(&u->crontab, entries);
		free_entry(e);
	}
	free(u->name);
	free(u);
}

static int ParseErrorCount;
static const char *CrontabFilename;

static void
parse_error(const char *msg)
{
	ParseErrorCount++;
	syslog(LOG_ERR, "(CRON) %s:%d (%s)", CrontabFilename, LineNumber, msg);
}

user *
load_user(int crontab_fd, struct passwd	*pw, const char *name)
{
	char envstr[MAX_ENVSTR];
	FILE *file;
	user *u;
	entry *e;
	int status, save_errno;
	char **envp = NULL, **tenvp;

	if (!(file = fdopen(crontab_fd, "r"))) {
		syslog(LOG_ERR, "(%s) FDOPEN (%m)", name);
		return (NULL);
	}
	CrontabFilename = name;
	LineNumber = 0;

	/* file is open.  build user entry, then read the crontab file.
	 */
	if ((u = malloc(sizeof(user))) == NULL)
		goto done;
	if ((u->name = strdup(name)) == NULL) {
		save_errno = errno;
		free(u);
		u = NULL;
		errno = save_errno;
		goto done;
	}
	SLIST_INIT(&u->crontab);

	/* init environment.  this will be copied/augmented for each entry.
	 */
	if ((envp = env_init()) == NULL) {
		save_errno = errno;
		free_user(u);
		u = NULL;
		errno = save_errno;
		goto done;
	}

	/* load the crontab
	 */
	ParseErrorCount = 0;
	while ((status = load_env(envstr, file)) >= 0) {
		switch (status) {
		case FALSE:
			/* Not an env variable, parse as crontab entry. */
			e = load_entry(file, parse_error, pw, envp);
			if (e == NULL) {
				/* Parse error, ignore for non-root entries */
				if (pw != NULL) {
					save_errno = errno;
					free_user(u);
					u = NULL;
					errno = save_errno;
					goto done;
				}
			} else {
				SLIST_INSERT_HEAD(&u->crontab, e, entries);
			}
			break;
		case TRUE:
			if ((tenvp = env_set(envp, envstr)) == NULL) {
				save_errno = errno;
				free_user(u);
				u = NULL;
				errno = save_errno;
				goto done;
			}
			envp = tenvp;
			break;
		}
	}

 done:
	if (envp != NULL)
		env_free(envp);
	fclose(file);
	return (u);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: user.c,v 1.20 2017/06/07 23:36:43 millert Exp $ */
2
3			/* Copyright 1988,1990,1993,1994 by Paul Vixie
4			* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
5			* Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
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 ISC DISCLAIMS ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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
17			* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19
20			#include <sys/types.h>
21
22			#include <bitstring.h> /* for structs.h */
23			#include <ctype.h>
24			#include <errno.h>
25			#include <pwd.h>
26			#include <stdio.h>
27			#include <stdlib.h>
28			#include <string.h>
29			#include <syslog.h>
30			#include <time.h> /* for structs.h */
31
32			#include "macros.h"
33			#include "structs.h"
34			#include "funcs.h"
35			#include "globals.h"
36
37			void
38			free_user(user *u)
39			{
40			entry *e;
41
42			while ((e = SLIST_FIRST(&u->crontab))) {
43			SLIST_REMOVE_HEAD(&u->crontab, entries);
44			free_entry(e);
45			}
46			free(u->name);
47			free(u);
48			}
49
50			static int ParseErrorCount;
51			static const char *CrontabFilename;
52
53			static void
54			parse_error(const char *msg)
55			{
56			ParseErrorCount++;
57			syslog(LOG_ERR, "(CRON) %s:%d (%s)", CrontabFilename, LineNumber, msg);
58			}
59
60			user *
61			load_user(int crontab_fd, struct passwd pw, const char name)
62			{
63			char envstr[MAX_ENVSTR];
64			FILE *file;
65			user *u;
66			entry *e;
67			int status, save_errno;
68			char envp = NULL, tenvp;
69
70			if (!(file = fdopen(crontab_fd, "r"))) {
71			syslog(LOG_ERR, "(%s) FDOPEN (%m)", name);
72			return (NULL);
73			}
74			CrontabFilename = name;
75			LineNumber = 0;
76
77			/* file is open. build user entry, then read the crontab file.
78			*/
79			if ((u = malloc(sizeof(user))) == NULL)
80			goto done;
81			if ((u->name = strdup(name)) == NULL) {
82			save_errno = errno;
83			free(u);
84			u = NULL;
85			errno = save_errno;
86			goto done;
87			}
88			SLIST_INIT(&u->crontab);
89
90			/* init environment. this will be copied/augmented for each entry.
91			*/
92			if ((envp = env_init()) == NULL) {
93			save_errno = errno;
94			free_user(u);
95			u = NULL;
96			errno = save_errno;
97			goto done;
98			}
99
100			/* load the crontab
101			*/
102			ParseErrorCount = 0;
103			while ((status = load_env(envstr, file)) >= 0) {
104			switch (status) {
105			case FALSE:
106			/* Not an env variable, parse as crontab entry. */
107			e = load_entry(file, parse_error, pw, envp);
108			if (e == NULL) {
109			/* Parse error, ignore for non-root entries */
110			if (pw != NULL) {
111			save_errno = errno;
112			free_user(u);
113			u = NULL;
114			errno = save_errno;
115			goto done;
116			}
117			} else {
118			SLIST_INSERT_HEAD(&u->crontab, e, entries);
119			}
120			break;
121			case TRUE:
122			if ((tenvp = env_set(envp, envstr)) == NULL) {
123			save_errno = errno;
124			free_user(u);
125			u = NULL;
126			errno = save_errno;
127			goto done;
128			}
129			envp = tenvp;
130			break;
131			}
132			}
133
134			done:
135			if (envp != NULL)
136			env_free(envp);
137			fclose(file);
138			return (u);
139			}