1/*	$NetBSD: user.c,v 1.2 2010/05/06 18:53:17 christos Exp $	*/
2
3/* Copyright 1988,1990,1993,1994 by Paul Vixie
4 * All rights reserved
5 */
6
7/*
8 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
9 * Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
10 *
11 * Permission to use, copy, modify, and distribute this software for any
12 * purpose with or without fee is hereby granted, provided that the above
13 * copyright notice and this permission notice appear in all copies.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
21 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 */
23#include <sys/cdefs.h>
24#if !defined(lint) && !defined(LINT)
25#if 0
26static char rcsid[] = "Id: user.c,v 1.5 2004/01/23 18:56:43 vixie Exp";
27+#else
28+__RCSID("$NetBSD: user.c,v 1.2 2010/05/06 18:53:17 christos Exp $");
29#endif
30#endif
31
32/* vix 26jan87 [log is in RCS file]
33 */
34
35#include "cron.h"
36
37void
38free_user(user *u) {
39	entry *e, *ne;
40
41	free(u->name);
42	for (e = u->crontab;  e != NULL;  e = ne) {
43		ne = e->next;
44		free_entry(e);
45	}
46	free(u);
47}
48
49user *
50load_user(int crontab_fd, struct passwd	*pw, const char *name) {
51	char envstr[MAX_ENVSTR];
52	FILE *file;
53	user *u;
54	entry *e;
55	int status, save_errno;
56	char **envp, **tenvp;
57
58	if (!(file = fdopen(crontab_fd, "r"))) {
59		perror("fdopen on crontab_fd in load_user");
60		return (NULL);
61	}
62
63	Debug(DPARS, ("load_user()\n"));
64
65	/* file is open.  build user entry, then read the crontab file.
66	 */
67	if ((u = malloc(sizeof(*u))) == NULL)
68		return (NULL);
69	if ((u->name = strdup(name)) == NULL) {
70		save_errno = errno;
71		free(u);
72		errno = save_errno;
73		return (NULL);
74	}
75	u->crontab = NULL;
76
77	/* init environment.  this will be copied/augmented for each entry.
78	 */
79	if ((envp = env_init()) == NULL) {
80		save_errno = errno;
81		free(u->name);
82		free(u);
83		errno = save_errno;
84		return (NULL);
85	}
86
87	/* load the crontab
88	 */
89	while ((status = load_env(envstr, file)) >= OK) {
90		switch (status) {
91		case ERR:
92			free_user(u);
93			u = NULL;
94			goto done;
95		case FALSE:
96			e = load_entry(file, NULL, pw, envp);
97			if (e) {
98				e->next = u->crontab;
99				u->crontab = e;
100			}
101			break;
102		case TRUE:
103			if ((tenvp = env_set(envp, envstr)) == NULL) {
104				save_errno = errno;
105				free_user(u);
106				u = NULL;
107				errno = save_errno;
108				goto done;
109			}
110			envp = tenvp;
111			break;
112		}
113	}
114
115 done:
116	env_free(envp);
117	(void)fclose(file);
118	Debug(DPARS, ("...load_user() done\n"));
119	return (u);
120}
121