120253Sjoerg/*- 220302Sjoerg * Copyright (C) 1996 320302Sjoerg * David L. Nugent. All rights reserved. 420253Sjoerg * 520253Sjoerg * Redistribution and use in source and binary forms, with or without 620253Sjoerg * modification, are permitted provided that the following conditions 720253Sjoerg * are met: 820253Sjoerg * 1. Redistributions of source code must retain the above copyright 920302Sjoerg * notice, this list of conditions and the following disclaimer. 1020253Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1120253Sjoerg * notice, this list of conditions and the following disclaimer in the 1220253Sjoerg * documentation and/or other materials provided with the distribution. 1320253Sjoerg * 1420302Sjoerg * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 1520253Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1620253Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1720302Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 1820253Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1920253Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2020253Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2120253Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2220253Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2320253Sjoerg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2420253Sjoerg * SUCH DAMAGE. 2520253Sjoerg */ 2620253Sjoerg 2730259Scharnier#ifndef lint 2830259Scharnierstatic const char rcsid[] = 2950479Speter "$FreeBSD$"; 3030259Scharnier#endif /* not lint */ 3130259Scharnier 3220253Sjoerg#include <stdio.h> 3320253Sjoerg#include <stdlib.h> 3420253Sjoerg#include <string.h> 3520253Sjoerg#include <unistd.h> 3620253Sjoerg#include <stdarg.h> 37242349Sbapt#include <pwd.h> 38242349Sbapt#include <libutil.h> 3920253Sjoerg#include <errno.h> 40242349Sbapt#include <err.h> 4120253Sjoerg#include <sys/types.h> 4220253Sjoerg#include <sys/stat.h> 4344229Sdavidn#include <sys/param.h> 4420253Sjoerg#include <sys/wait.h> 4520253Sjoerg 4620253Sjoerg#include "pwupd.h" 4720253Sjoerg 4844229Sdavidnstatic char pathpwd[] = _PATH_PWD; 4944229Sdavidnstatic char * pwpath = pathpwd; 5044229Sdavidn 5144229Sdavidnint 5244229Sdavidnsetpwdir(const char * dir) 5344229Sdavidn{ 5444229Sdavidn if (dir == NULL) 5544229Sdavidn return -1; 56243896Seadler else 57243896Seadler pwpath = strdup(dir); 58243896Seadler if (pwpath == NULL) 59243896Seadler return -1; 6044229Sdavidn return 0; 6144229Sdavidn} 6244229Sdavidn 6344229Sdavidnchar * 6444229Sdavidngetpwpath(char const * file) 6544229Sdavidn{ 6644229Sdavidn static char pathbuf[MAXPATHLEN]; 6744229Sdavidn 6844229Sdavidn snprintf(pathbuf, sizeof pathbuf, "%s/%s", pwpath, file); 6944229Sdavidn return pathbuf; 7044229Sdavidn} 7144229Sdavidn 72242349Sbaptstatic int 7320253Sjoergpwdb(char *arg,...) 7420253Sjoerg{ 7520253Sjoerg int i = 0; 7620253Sjoerg pid_t pid; 7720253Sjoerg va_list ap; 7844229Sdavidn char *args[10]; 7920253Sjoerg 8020253Sjoerg args[i++] = _PATH_PWD_MKDB; 8120253Sjoerg va_start(ap, arg); 8220253Sjoerg while (i < 6 && arg != NULL) { 8320253Sjoerg args[i++] = arg; 8420253Sjoerg arg = va_arg(ap, char *); 8520253Sjoerg } 8644229Sdavidn if (pwpath != pathpwd) { 8744229Sdavidn args[i++] = "-d"; 8844229Sdavidn args[i++] = pwpath; 8944229Sdavidn } 9044229Sdavidn args[i++] = getpwpath(_MASTERPASSWD); 9120253Sjoerg args[i] = NULL; 9220253Sjoerg 9320253Sjoerg if ((pid = fork()) == -1) /* Error (errno set) */ 9452502Sdavidn i = errno; 9520253Sjoerg else if (pid == 0) { /* Child */ 9620253Sjoerg execv(args[0], args); 9720253Sjoerg _exit(1); 9820253Sjoerg } else { /* Parent */ 9920253Sjoerg waitpid(pid, &i, 0); 10052502Sdavidn if (WEXITSTATUS(i)) 10152502Sdavidn i = EIO; 10220253Sjoerg } 103241021Skevlo va_end(ap); 10420253Sjoerg return i; 10520253Sjoerg} 10620253Sjoerg 10720253Sjoergstatic int 108242349Sbaptpw_update(struct passwd * pwd, char const * user) 10920253Sjoerg{ 11020253Sjoerg int rc = 0; 11120253Sjoerg 112180565Sjhb rc = pwdb("-C", (char *)NULL); /* Check only */ 113180565Sjhb if (rc == 0) { 114242349Sbapt int pfd, tfd; 115242349Sbapt struct passwd *pw = NULL; 116242349Sbapt struct passwd *old_pw = NULL; 11720253Sjoerg 118268346Sbapt if (pwd != NULL) 119268346Sbapt pw = pw_dup(pwd); 12020253Sjoerg 121242349Sbapt if (user != NULL) 122242349Sbapt old_pw = GETPWNAM(user); 12352502Sdavidn 124242349Sbapt if (pw_init(pwpath, NULL)) 125242349Sbapt err(1, "pw_init()"); 126242349Sbapt if ((pfd = pw_lock()) == -1) { 127242349Sbapt pw_fini(); 128242349Sbapt err(1, "pw_lock()"); 12920253Sjoerg } 130242349Sbapt if ((tfd = pw_tmp(-1)) == -1) { 131242349Sbapt pw_fini(); 132242349Sbapt err(1, "pw_tmp()"); 133242349Sbapt } 134242349Sbapt if (pw_copy(pfd, tfd, pw, old_pw) == -1) { 135242349Sbapt pw_fini(); 136242349Sbapt err(1, "pw_copy()"); 137242349Sbapt } 138244711Sbapt /* 139244711Sbapt * in case of deletion of a user, the whole database 140244711Sbapt * needs to be regenerated 141244711Sbapt */ 142268346Sbapt if (pw_mkdb(pw != NULL ? pw->pw_name : NULL) == -1) { 143242349Sbapt pw_fini(); 144242349Sbapt err(1, "pw_mkdb()"); 145242349Sbapt } 146242349Sbapt free(pw); 147242349Sbapt pw_fini(); 14820253Sjoerg } 149242349Sbapt return 0; 15020253Sjoerg} 15120253Sjoerg 15220253Sjoergint 15320253Sjoergaddpwent(struct passwd * pwd) 15420253Sjoerg{ 155242349Sbapt return pw_update(pwd, NULL); 15620253Sjoerg} 15720253Sjoerg 15820253Sjoergint 15920253Sjoergchgpwent(char const * login, struct passwd * pwd) 16020253Sjoerg{ 161242349Sbapt return pw_update(pwd, login); 16220253Sjoerg} 16320253Sjoerg 16420253Sjoergint 16520253Sjoergdelpwent(struct passwd * pwd) 16620253Sjoerg{ 167242349Sbapt char login[MAXLOGNAME]; 168242349Sbapt 169242349Sbapt strlcpy(login, pwd->pw_name, MAXLOGNAME); 170242349Sbapt return pw_update(NULL, login); 17120253Sjoerg} 172