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/* $OpenBSD: user.c,v 1.14 2015/02/09 22:35:08 deraadt 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.
*/
/* vix 26jan87 [log is in RCS file]
*/
#include "cron.h"
void
free_user(user *u)
{
entry *e, *ne;
free(u->name);
for (e = u->crontab; e != NULL; e = ne) {
ne = e->next;
free_entry(e);
}
free(u);
}
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, **tenvp;
if (!(file = fdopen(crontab_fd, "r"))) {
perror("fdopen on crontab_fd in load_user");
return (NULL);
}
/* file is open. build user entry, then read the crontab file.
*/
if ((u = malloc(sizeof(user))) == NULL)
return (NULL);
if ((u->name = strdup(name)) == NULL) {
save_errno = errno;
free(u);
errno = save_errno;
return (NULL);
}
u->crontab = NULL;
/* init environment. this will be copied/augmented for each entry.
*/
if ((envp = env_init()) == NULL) {
save_errno = errno;
free(u->name);
free(u);
errno = save_errno;
return (NULL);
}
/* load the crontab
*/
while ((status = load_env(envstr, file)) >= 0) {
switch (status) {
case FALSE:
e = load_entry(file, NULL, pw, envp);
if (e) {
e->next = u->crontab;
u->crontab = e;
}
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:
env_free(envp);
fclose(file);
return (u);
}
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