NetBSD/libexec/cron/user.c

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1994-01-05 23:40:12 +03:00
/* Copyright 1988,1990,1993 by Paul Vixie
* All rights reserved
*
* Distribute freely, except: don't remove my name from the source or
* documentation (don't take credit for my work), mark your changes (don't
* get me blamed for your possible bugs), don't alter or remove this
* notice. May be sold if buildable source is provided to buyer. No
* warrantee of any kind, express or implied, is included with this
* software; use at your own risk, responsibility for damages (if any) to
* anyone resulting from the use of this software rests entirely with the
* user.
*
* Send bug reports, bug fixes, enhancements, requests, flames, etc., and
* I'll try to keep a version up to date. I can be reached as follows:
* Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul
*/
#if !defined(lint) && !defined(LINT)
static char rcsid[] = "$Id: user.c,v 1.1.1.1 1994/01/05 20:40:16 jtc Exp $";
#endif
/* vix 26jan87 [log is in RCS file]
*/
#include "cron.h"
#include "externs.h"
void
free_user(u)
user *u;
{
entry *e, *ne;
char **env;
for (e = u->crontab; e != NULL; e = ne) {
ne = e->next;
free_entry(e);
}
for (env = u->envp; *env; env++)
(void) free(*env);
(void) free(u->envp);
(void) free(u);
}
user *
load_user(crontab_fd, name, uid, gid, dir, syscron)
int crontab_fd;
char *name;
int uid;
int gid;
char *dir;
int syscron; /* system crontab file? */
{
char envstr[MAX_ENVSTR];
FILE *file;
user *u;
entry *e;
int status;
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.
*/
u = (user *) malloc(sizeof(user));
u->uid = uid;
u->gid = gid;
u->envp = env_init();
u->crontab = NULL;
/*
* do auto env settings that the user could reset in the cron tab
*/
sprintf(envstr, "SHELL=%s", _PATH_BSHELL);
u->envp = env_set(u->envp, envstr);
sprintf(envstr, "HOME=%s", dir);
u->envp = env_set(u->envp, envstr);
/* load the crontab
*/
while ((status = load_env(envstr, file)) >= OK) {
if (status == TRUE) {
u->envp = env_set(u->envp, envstr);
} else {
if (NULL != (e = load_entry(file, NULL, syscron))) {
e->next = u->crontab;
u->crontab = e;
}
}
}
/*
* do automatic env settings that should have precedence over any
* set in the cron tab.
*/
sprintf(envstr, "%s=%s", "LOGNAME", name);
u->envp = env_set(u->envp, envstr);
#if defined(BSD)
sprintf(envstr, "%s=%s", "USER", name);
u->envp = env_set(u->envp, envstr);
#endif
/*
* done. close file, return pointer to 'user' structure
*/
fclose(file);
Debug(DPARS, ("...load_user() done\n"))
return u;
}