/* $OpenBSD: user.c,v 1.8 2009/10/27 23:59:51 deraadt Exp $ */ /* Copyright 1988,1990,1993,1994 by Paul Vixie * All rights reserved */ /* * 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); } Debug(DPARS, ("load_user()\n")) /* file is open. build user entry, then read the crontab file. */ if ((u = (user *) 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)) >= OK) { switch (status) { case ERR: free_user(u); u = NULL; goto done; 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); Debug(DPARS, ("...load_user() done\n")) return (u); }