136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
/* Copyright 1988,1990,1993,1994 by Paul Vixie
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* All rights reserved
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*/
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/*
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* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
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* Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* vix 26jan87 [log is in RCS file]
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*/
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#include <cron.h>
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static const char *FileName;
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static void
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log_error (const char *msg)
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{
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log_it ("CRON", getpid (), msg, FileName, 0);
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}
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void
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free_user (user * u) {
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entry *e, *ne;
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free(u->name);
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free(u->tabname);
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for (e = u->crontab; e != NULL; e = ne) {
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ne = e->next;
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free_entry(e);
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}
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free_security_context(&(u->scontext));
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free(u);
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}
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user *
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load_user (int crontab_fd, struct passwd *pw, const char *uname,
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const char *fname, const char *tabname) {
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char envstr[MAX_ENVSTR];
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FILE *file;
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user *u;
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entry *e;
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int status, save_errno = errno;
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char **envp = NULL, **tenvp;
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if (!(file = fdopen(crontab_fd, "r"))) {
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int save_errno = errno;
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log_it(uname, getpid (), "FAILED", "fdopen on crontab_fd in load_user",
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save_errno);
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close(crontab_fd);
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return (NULL);
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}
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Debug(DPARS, ("load_user()\n"))
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/* file is open. build user entry, then read the crontab file.
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*/
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if ((u = (user *) malloc (sizeof (user))) == NULL)
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goto done;
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memset(u, 0, sizeof(*u));
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if (((u->name = strdup(fname)) == NULL)
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|| ((u->tabname = strdup(tabname)) == NULL)) {
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save_errno = errno;
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free_user(u);
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u = NULL;
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goto done;
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}
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/* init environment. this will be copied/augmented for each entry.
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*/
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if ((envp = env_init()) == NULL) {
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save_errno = errno;
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free_user(u);
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u = NULL;
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goto done;
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}
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if (get_security_context(pw == NULL ? NULL : uname,
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crontab_fd, &u->scontext, tabname) != 0) {
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free_user (u);
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u = NULL;
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goto done;
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}
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/* load the crontab
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*/
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while ((status = load_env (envstr, file)) >= OK) {
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switch (status) {
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case ERR:
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save_errno = errno;
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free_user(u);
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u = NULL;
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goto done;
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case FALSE:
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FileName = tabname;
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e = load_entry(file, log_error, pw, envp);
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if (e) {
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e->next = u->crontab;
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u->crontab = e;
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}
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break;
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case TRUE:
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if ((tenvp = env_set (envp, envstr)) == NULL) {
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save_errno = errno;
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free_user(u);
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u = NULL;
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goto done;
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}
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envp = tenvp;
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break;
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}
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}
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done:
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if (envp)
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env_free(envp);
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fclose(file);
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Debug(DPARS, ("...load_user() done\n"))
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errno = save_errno;
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return (u);
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}
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