1 files changed, 0 insertions, 273 deletions
diff --git a/libexec/crond/database.c b/libexec/crond/database.c
deleted file mode 100644
index 6fde09efa5a3..000000000000
--- a/libexec/crond/database.c
+++ /dev/null
@@ -1,273 +0,0 @@
-#if !defined(lint) && !defined(LINT)
-static char rcsid[] = "$Header: /a/cvs/386BSD/src/libexec/crond/database.c,v 1.1.1.1 1993/06/12 14:55:04 rgrimes Exp $";
-#endif
-
-/* vix 26jan87 [RCS has the log]
- */
-
-/* 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"
-#include <pwd.h>
-#if defined(BSD)
-# include <sys/file.h>
-# include <sys/dir.h>
-#endif
-#if defined(ATT)
-# include <sys/file.h>
-# include <ndir.h>
-# include <fcntl.h>
-#endif
-
-
-extern void	perror(), exit();
-
-
-void
-load_database(old_db)
-	cron_db		*old_db;
-{
-	extern void	link_user(), unlink_user(), free_user();
-	extern user	*load_user(), *find_user();
-	extern char	*env_get();
-
-	static DIR	*dir = NULL;
-
-	struct stat	statbuf;
-	struct direct	*dp;
-	cron_db		new_db;
-	user		*u;
-
-	Debug(DLOAD, ("[%d] load_database()\n", getpid()))
-
-	/* before we start loading any data, do a stat on SPOOL_DIR
-	 * so that if anything changes as of this moment (i.e., before we've
-	 * cached any of the database), we'll see the changes next time.
-	 */
-	if (stat(SPOOL_DIR, &statbuf) < OK)
-	{
-		log_it("CROND", getpid(), "STAT FAILED", SPOOL_DIR);
-		(void) exit(ERROR_EXIT);
-	}
-
-	/* if spooldir's mtime has not changed, we don't need to fiddle with
-	 * the database.  Note that if /etc/passwd changes (like, someone's
-	 * UID/GID/HOME/SHELL, we won't see it.  Maybe we should
-	 * keep an mtime for the passwd file?  HINT
-	 *
-	 * Note that old_db->mtime is initialized to 0 in main(), and
-	 * so is guaranteed to be different than the stat() mtime the first
-	 * time this function is called.
-	 */
-	if (old_db->mtime == statbuf.st_mtime)
-	{
-		Debug(DLOAD, ("[%d] spool dir mtime unch, no load needed.\n",
-			getpid()))
-		return;
-	}
-
-	/* make sure the dir is open.  only happens the first time, since
-	 * the DIR is static and we don't close it.  Rewind the dir.
-	 */
-	if (dir == NULL)
-	{
-		if (!(dir = opendir(SPOOL_DIR)))
-		{
-			log_it("CROND", getpid(), "OPENDIR FAILED", SPOOL_DIR);
-			(void) exit(ERROR_EXIT);
-		}
-	}
-	(void) rewinddir(dir);
-
-	/* something's different.  make a new database, moving unchanged
-	 * elements from the old database, reloading elements that have
-	 * actually changed.  Whatever is left in the old database when
-	 * we're done is chaff -- crontabs that disappeared.
-	 */
-	new_db.mtime = statbuf.st_mtime;
-	new_db.head = new_db.tail = NULL;
-
-	while (NULL != (dp = readdir(dir)))
-	{
-		extern struct passwd	*getpwnam();
-		struct passwd		*pw;
-		int			crontab_fd;
-		char			fname[MAXNAMLEN+1],
-					tabname[MAXNAMLEN+1];
-
-		(void) strncpy(fname, dp->d_name, (int) dp->d_namlen);
-		fname[dp->d_namlen] = '\0';
-
-		/* avoid file names beginning with ".".  this is good
-		 * because we would otherwise waste two guaranteed calls
-		 * to getpwnam() for . and .., and also because user names
-		 * starting with a period are just too nasty to consider.
-		 */
-		if (fname[0] == '.')
-			goto next_crontab;
-
-		if (NULL == (pw = getpwnam(fname)))
-		{
-			/* file doesn't have a user in passwd file.
-			 */
-			log_it(fname, getpid(), "ORPHAN", "no passwd entry");
-			goto next_crontab;
-		}
-
-		sprintf(tabname, CRON_TAB(fname));
-		if ((crontab_fd = open(tabname, O_RDONLY, 0)) < OK)
-		{
-			/* crontab not accessible?
-			 */
-			log_it(fname, getpid(), "CAN'T OPEN", tabname);
-			goto next_crontab;
-		}
-
-		if (fstat(crontab_fd, &statbuf) < OK)
-		{
-			log_it(fname, getpid(), "FSTAT FAILED", tabname);
-			goto next_crontab;
-		}
-
-		Debug(DLOAD, ("\t%s:", fname))
-		u = find_user(old_db, fname);
-		if (u != NULL)
-		{
-			/* if crontab has not changed since we last read it
-			 * in, then we can just use our existing entry.
-			 * note that we do not check for changes in the
-			 * passwd entry (uid, home dir, etc).  HINT
-			 */
-			if (u->mtime == statbuf.st_mtime)
-			{
-				Debug(DLOAD, (" [no change, using old data]"))
-				unlink_user(old_db, u);
-				link_user(&new_db, u);
-				goto next_crontab;
-			}
-
-			/* before we fall through to the code that will reload
-			 * the user, let's deallocate and unlink the user in
-			 * the old database.  This is more a point of memory
-			 * efficiency than anything else, since all leftover
-			 * users will be deleted from the old database when
-			 * we finish with the crontab...
-			 */
-			Debug(DLOAD, (" [delete old data]"))
-			unlink_user(old_db, u);
-			free_user(u);
-		}
-		u = load_user(
-			crontab_fd,
-			pw->pw_name,
-			pw->pw_uid,
-			pw->pw_gid,
-			pw->pw_dir,
-			pw->pw_shell
-		);
-		if (u != NULL)
-		{
-			u->mtime = statbuf.st_mtime;
-			link_user(&new_db, u);
-		}
-next_crontab:
-		if (crontab_fd >= OK) {
-			Debug(DLOAD, (" [done]\n"))
-			close(crontab_fd);
-		}
-	}
-	/* if we don't do this, then when our children eventually call
-	 * getpwnam() in do_command.c's child_process to verify MAILTO=,
-	 * they will screw us up (and v-v).
-	 *
-	 * (this was lots of fun to find...)
-	 */
-	endpwent();
-
-	/* whatever's left in the old database is now junk.
-	 */
-	Debug(DLOAD, ("unlinking old database:\n"))
-	for (u = old_db->head;  u != NULL;  u = u->next)
-	{
-		Debug(DLOAD, ("\t%s\n", env_get(USERENV, u->envp)))
-		unlink_user(old_db, u);
-		free_user(u);
-	}
-
-	/* overwrite the database control block with the new one.
-	 */
-	Debug(DLOAD, ("installing new database\n"))
-#if defined(BSD)
-	/* BSD has structure assignments */
-	*old_db = new_db;
-#endif
-#if defined(ATT)
-	/* ATT, well, I don't know.  Use memcpy(). */
-	memcpy(old_db, &new_db, sizeof(cron_db));
-#endif
-	Debug(DLOAD, ("load_database is done\n"))
-}
-
-
-void
-link_user(db, u)
-	cron_db	*db;
-	user	*u;
-{
-	if (db->head == NULL)
-		db->head = u;
-	if (db->tail)
-		db->tail->next = u;
-	u->prev = db->tail;
-	u->next = NULL;
-	db->tail = u;
-}
-
-
-void
-unlink_user(db, u)
-	cron_db	*db;
-	user	*u;
-{
-	if (u->prev == NULL)
-		db->head = u->next;
-	else
-		u->prev->next = u->next;
-
-	if (u->next == NULL)
-		db->tail = u->prev;
-	else
-		u->next->prev = u->prev;
-}
-
-
-user *
-find_user(db, name)
-	cron_db	*db;
-	char	*name;
-{
-	char	*env_get();
-	user	*u;
-
-	for (u = db->head;  u != NULL;  u = u->next)
-		if (!strcmp(env_get(USERENV, u->envp), name))
-			break;
-	return u;
-}