[unix-history] / usr / src / libexec / crond / user.c

#if !defined(lint) && !defined(LINT)
static char rcsid[] = "$Header: user.c,v 2.1 90/07/18 00:23:45 vixie Exp $";
#endif

/* vix 26jan87 [log is in RCS file]
 */

/* Copyright 1988,1990 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, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013,
 * paul@vixie.sf.ca.us || {hoptoad,pacbell,decwrl,crash}!vixie!paul
 */


#include "cron.h"


void
free_user(u)
	user	*u;
{
	void	free_entry();
	int	free();
	entry	*e;
	char	**env;

	for (e = u->crontab;  e != NULL;  e = 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, shell)
	int	crontab_fd;
	char	*name;
	int	uid;
	int	gid;
	char	*dir;
	char	*shell;
{
	char	*malloc(), *sprintf(), **env_init(), **env_set();
	int	load_env();
	entry	*load_entry();

	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", (*shell) ?shell :"/bin/sh");
	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)))
			{
				e->next = u->crontab;
				u->crontab = e;
			}
		}
	}

	/*
	 * do automatic env settings that should have precedence over any
	 * set in the cron tab.
	 */
	(void) sprintf(envstr, "%s=%s", USERENV, name);
	u->envp = env_set(u->envp, envstr);

	/*
	 * done. close file, return pointer to 'user' structure
	 */
	fclose(file);

	Debug(DPARS, ("...load_user() done\n"))

	return u;
}
Commit	Line	Data
6441d3de WJ	1	#if !defined(lint) && !defined(LINT)
	2	static char rcsid[] = "$Header: user.c,v 2.1 90/07/18 00:23:45 vixie Exp $";
	3	#endif
	4
	5	/* vix 26jan87 [log is in RCS file]
	6	*/
	7
	8	/* Copyright 1988,1990 by Paul Vixie
	9	* All rights reserved
	10	*
	11	* Distribute freely, except: don't remove my name from the source or
	12	* documentation (don't take credit for my work), mark your changes (don't
	13	* get me blamed for your possible bugs), don't alter or remove this
	14	* notice. May be sold if buildable source is provided to buyer. No
	15	* warrantee of any kind, express or implied, is included with this
	16	* software; use at your own risk, responsibility for damages (if any) to
	17	* anyone resulting from the use of this software rests entirely with the
	18	* user.
	19	*
	20	* Send bug reports, bug fixes, enhancements, requests, flames, etc., and
	21	* I'll try to keep a version up to date. I can be reached as follows:
	22	* Paul Vixie, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013,
	23	* paul@vixie.sf.ca.us \|\| {hoptoad,pacbell,decwrl,crash}!vixie!paul
	24	*/
	25
	26
	27	#include "cron.h"
	28
	29
	30	void
	31	free_user(u)
	32	user *u;
	33	{
	34	void free_entry();
	35	int free();
	36	entry *e;
	37	char **env;
	38
	39	for (e = u->crontab; e != NULL; e = e->next)
	40	free_entry(e);
	41	for (env = u->envp; *env; env++)
	42	(void) free(*env);
	43	(void) free(u->envp);
	44	(void) free(u);
	45	}
	46
	47
	48	user *
	49	load_user(crontab_fd, name, uid, gid, dir, shell)
	50	int crontab_fd;
	51	char *name;
	52	int uid;
	53	int gid;
	54	char *dir;
	55	char *shell;
	56	{
	57	char malloc(), sprintf(), env_init(), env_set();
	58	int load_env();
	59	entry *load_entry();
	60
	61	char envstr[MAX_ENVSTR];
	62	FILE *file;
	63	user *u;
	64	entry *e;
65	int status;
66
67	if (!(file = fdopen(crontab_fd, "r")))
68	{
69	perror("fdopen on crontab_fd in load_user");
70	return NULL;
71	}
72
73	Debug(DPARS, ("load_user()\n"))
74
75	/* file is open. build user entry, then read the crontab file.
76	*/
77	u = (user *) malloc(sizeof(user));
78	u->uid = uid;
79	u->gid = gid;
80	u->envp = env_init();
81	u->crontab = NULL;
82
83	/*
84	* do auto env settings that the user could reset in the cron tab
85	*/
86	sprintf(envstr, "SHELL=%s", (*shell) ?shell :"/bin/sh");
87	u->envp = env_set(u->envp, envstr);
88
89	sprintf(envstr, "HOME=%s", dir);
90	u->envp = env_set(u->envp, envstr);
91
92	/* load the crontab
93	*/
94	while ((status = load_env(envstr, file)) >= OK)
95	{
96	if (status == TRUE)
97	{
98	u->envp = env_set(u->envp, envstr);
99	}
100	else
101	{
102	if (NULL != (e = load_entry(file, NULL)))
103	{
104	e->next = u->crontab;
105	u->crontab = e;
106	}
107	}
108	}
109
110	/*
111	* do automatic env settings that should have precedence over any
112	* set in the cron tab.
113	*/
114	(void) sprintf(envstr, "%s=%s", USERENV, name);
115	u->envp = env_set(u->envp, envstr);
116
117	/*
118	* done. close file, return pointer to 'user' structure
119	*/
120	fclose(file);
121
122	Debug(DPARS, ("...load_user() done\n"))
123
124	return u;
125	}