vactivedir.c

相当优秀的 UNIX 进程管理工具

/*
 * $Id: vactivedir.c,v 1.10 2004/01/07 16:06:16 tomcollins Exp $
 * Copyright (C) 1999-2003 Inter7 Internet Technologies, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <pwd.h>
#include <sys/time.h>
#include <time.h>
#include <utime.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/un.h>
#include "config.h"
#include "vpopmail.h"
#include "vauth.h"
#include "vlimits.h"
#include "file_lock.h"
#include "vactivedir.h"

#define MAX_BUFF 300
#define PACKET_SIZE 388

#define SMALL_BUFF 200
static char IUser[SMALL_BUFF];
static char IPass[SMALL_BUFF];
static char IGecos[SMALL_BUFF];
static char IDir[SMALL_BUFF];
static char IShell[SMALL_BUFF];
static char IClearPass[SMALL_BUFF];

char *dc_filename(char *domain, uid_t uid, gid_t gid);

typedef struct actdirvp {
  char cmd[16];
  char p1[16];
  char p2[16];
  char p3[16];
  char pw_name[32];
  char pw_domain[64];
  char pw_uid[16];
  char pw_gid[16];
  char pw_dir[160];
  char pw_shell[20];
  char pw_clear_passwd[16];
  char pw_gecos[48];
} actdirvp;

static int GetAllSock = -1;

int ad_open_conn()
{
 int sock;
 struct sockaddr_in sin;


  sock = socket(AF_INET,SOCK_STREAM,0);
  if ( sock == -1 ) return(-1);

  memset(&sin,0,sizeof(struct sockaddr_in));
  sin.sin_family = AF_INET;
  sin.sin_port = htons(ACTIVE_DIR_PORT);
  sin.sin_addr.s_addr = inet_addr(ACTIVE_DIR_IP);

  if (connect(sock,(struct sockaddr *)&sin,sizeof(struct sockaddr_in))==-1){
    close(sock);
    return(-1);
  }
  return(sock);
}

void inline ad_clean_one(char *inp, int len)
{
 int i;

  inp[len-1] = 0;
  for(i=len-2;i>=0;--i){
    if ( inp[i] == ' ' ) inp[i] = 0;
    else break;
  }
}

void ad_clean_packet(struct actdirvp *adir)
{
  /*memmove(adir,&adir->cmd[4], PACKET_SIZE-4);*/
  ad_clean_one(adir->cmd, 16);
  ad_clean_one(adir->p1, 16);
  ad_clean_one(adir->p2, 16);
  ad_clean_one(adir->p3, 16);
  ad_clean_one(adir->pw_name, 32);
  ad_clean_one(adir->pw_domain, 64);
  ad_clean_one(adir->pw_uid, 16);
  ad_clean_one(adir->pw_gid, 16);
  ad_clean_one(adir->pw_gecos, 48);
  ad_clean_one(adir->pw_dir, 160);
  ad_clean_one(adir->pw_shell, 20);
  ad_clean_one(adir->pw_clear_passwd, 16);
}

void ad_fill_vpw( struct vqpasswd *vpw, struct actdirvp *adir)
{
  vpw->pw_name   = IUser;
  vpw->pw_passwd = IPass;
  vpw->pw_gecos  = IGecos;
  vpw->pw_dir    = IDir;
  vpw->pw_shell  = IShell;
  vpw->pw_clear_passwd  = IClearPass;

  strncpy(vpw->pw_name, adir->pw_name, 32);
  memset(vpw->pw_passwd,0,sizeof(IPass));
  vpw->pw_uid = atoi(adir->pw_uid);
  vpw->pw_gid = atoi(adir->pw_gid);
  strncpy(vpw->pw_gecos, adir->pw_gecos, 48);
  strncpy(vpw->pw_dir, adir->pw_dir, 160);
  strncpy(vpw->pw_shell, adir->pw_shell, 20);
  strncpy(vpw->pw_clear_passwd, adir->pw_clear_passwd, 16);
}

void ad_print_packet(struct actdirvp *adir)
{
  printf("cmd: |%-16s|\n", adir->cmd);
  printf("p1: |%-16s|\n", adir->p1);
  printf("p2: |%-16s|\n", adir->p2);
  printf("p3: |%-16s|\n", adir->p3);
  printf("name: |%-32s|\n", adir->pw_name);
  printf("domain: |%-32s|\n", adir->pw_domain);
  printf("gecos: |%-48s|\n", adir->pw_gecos);
  printf("uid: |%-16s|\n", adir->pw_uid);
  printf("gid: |%-16s|\n", adir->pw_gid);
  printf("dir: |%-160s|\n", adir->pw_dir);
  printf("shell: |%-20s|\n", adir->pw_shell);
  printf("clear passwd: |%-16s|\n", adir->pw_clear_passwd);


}

struct vqpasswd *vauth_getpw(char *user, char *domain)
{
 static struct vqpasswd vpw;
 static struct actdirvp adir;
 int sock;

  if ( (sock=ad_open_conn())==-1){
    printf("could not connect\n");
    return(NULL);
  }
  memset(&adir,' ',sizeof(struct actdirvp));
  memcpy( adir.cmd, "select", 6);
  memcpy( adir.pw_name, user, strlen(user));
  memcpy( adir.pw_domain, domain, strlen(domain));

  if ( write(sock,&adir, sizeof(struct actdirvp))<0){
    close(sock);
    printf("vauth_getpw: write failed\n");
    return(NULL);
  }

  if ( read(sock,&adir, sizeof(struct actdirvp))<0) {
    close(sock);
    printf("vauth_getpw: read failed\n");
    return(NULL);
  }
  ad_clean_packet(&adir);
  close(sock);

  if ( strncmp(adir.p1,"yes",3) != 0 ) return(NULL); 
  
  ad_fill_vpw(&vpw,&adir);

  vlimits_setflags (&vpw, domain);
  
  return(&vpw);
}


struct vqpasswd *vauth_getall(char *domain, int first, int sortit)
{
 static struct vqpasswd vpw;
 static struct actdirvp adir;
 char foob[4];
 int size;

  if ( first == 1 ) {
    if ( GetAllSock != -1 ) close(GetAllSock);

    if ( (GetAllSock=ad_open_conn())==-1){
      printf("could not connect\n");
      return(NULL);
    }
    memset(&adir,' ',sizeof(struct actdirvp));
    memcpy( adir.cmd, "getall", 6);
    memcpy( adir.pw_domain, domain, strlen(domain));
  
    if ( write(GetAllSock,&adir, sizeof(struct actdirvp))<0){
      close(GetAllSock);
      GetAllSock = -1;
      return(NULL);
    }
  }
  if ( GetAllSock == -1 ) return(NULL);
  
  memset(&adir,' ',sizeof(struct actdirvp));
  if ( (size=read(GetAllSock,&adir, sizeof(struct actdirvp)))<0) {
    close(GetAllSock);
    GetAllSock = -1;
    return(NULL);
  }
  if ( first == 1 ) read(GetAllSock, foob,4);
  ad_clean_packet(&adir);

  if ( strncmp(adir.p1,"yes",3) != 0 ) {
    close(GetAllSock);
    GetAllSock = -1;
    return(NULL); 
  }
  
  ad_fill_vpw(&vpw,&adir);
  return(&vpw);
}

void vauth_end_getall()
{
  if ( GetAllSock !=  -1 ) {
    close(GetAllSock);
    GetAllSock = -1;
  }
}

int vauth_adduser(char *user, char *domain, char *pass, char *gecos, 
                  char *dir, int apop )
{
 static struct actdirvp adir;
 int sock;
 char tmpbuf[160];
 char dom_dir[160];

  if ( (sock=ad_open_conn())==-1){
    printf("could not connect\n");
    return(-1);
  }
  memset(&adir,' ',sizeof(struct actdirvp));
  memcpy( adir.cmd, "create", 6);
  memcpy( adir.pw_name, user, strlen(user));
  memcpy( adir.pw_domain, domain, strlen(domain));
  memcpy( adir.pw_clear_passwd, pass, strlen(pass));
  memcpy( adir.pw_gecos, gecos, strlen(gecos));
  if ( apop == USE_POP ) memcpy( adir.pw_uid, "1", 1);
  else memcpy( adir.pw_uid, "2", 1);
  memcpy( adir.pw_gid, "0", 1);

  vget_assign(domain, dom_dir, 160, NULL, NULL);
  if ( strlen(dir) > 0 ) {
    snprintf(tmpbuf,160, "%s/%s/%s", dom_dir, dir, user);
  } else {
    snprintf(tmpbuf, 160, "%s/%s", dom_dir, user);
  }

  memcpy( adir.pw_dir, tmpbuf, strlen(tmpbuf));
  memcpy( adir.pw_shell, "NOQUOTA", 7);


  /*ad_print_packet(&adir);*/
  if ( write(sock,&adir, sizeof(struct actdirvp))<0){
    close(sock);
    printf("write failed\n");
    return(-1);
  }

  if ( read(sock,&adir, sizeof(struct actdirvp))<0) {
    close(sock);
    printf("read failed\n");
    return(-1);
  }
  ad_clean_packet(&adir);
  close(sock);

  if ( strncmp(adir.p1,"yes",3) != 0 ) return(-1); 
  return(0);
}

int vauth_adddomain( char *domain )
{
  return(0);
}

int vauth_deldomain( char *domain )
{
  return(0);
}

int vauth_deluser( char *user, char *domain )
{
 static struct actdirvp adir;
 int sock;

  if ( (sock=ad_open_conn())==-1){
    printf("could not connect\n");
    return(-1);
  }
  memset(&adir,' ',sizeof(struct actdirvp));
  memcpy( adir.cmd, "delete", 6);
  memcpy( adir.pw_name, user, strlen(user));
  memcpy( adir.pw_domain, domain, strlen(domain));

  if ( write(sock,&adir, sizeof(struct actdirvp))<0){
    close(sock);
    printf("write failed\n");
    return(-1);
  }

  if ( read(sock,&adir, sizeof(struct actdirvp))<0) {
    close(sock);
    printf("read failed\n");
    return(-1);
  }
  ad_clean_packet(&adir);
  close(sock);

  if ( strncmp(adir.p1,"yes",3) != 0 ) return(-1); 
  return(0);
}

/* Utility function to set the users quota
 *
 * Calls underlying vauth_getpw and vauth_setpw
 * to actually change the users information
 */
int vauth_setquota( char *username, char *domain, char *quota)
{
 struct vqpasswd *vpw;

  vpw = vauth_getpw( username, domain );
  if ( vpw==NULL ) return(VA_USER_DOES_NOT_EXIST);
  vpw->pw_shell = quota;
  return(vauth_setpw(vpw,domain));
}

int vauth_setpw( struct vqpasswd *vpw, char *domain ) 
{
 static struct actdirvp adir;
 int sock;
 char tmpbuf[160];

  if ( (sock=ad_open_conn())==-1){
    printf("could not connect\n");
    return(-1);
  }
  memset(&adir,' ',sizeof(struct actdirvp));
  memcpy( adir.cmd, "update", 6);
  memcpy( adir.pw_name, vpw->pw_name, strlen(vpw->pw_name));
  memcpy( adir.pw_domain, domain, strlen(domain));
  memcpy( adir.pw_gecos, vpw->pw_gecos, strlen(vpw->pw_gecos));

  snprintf(tmpbuf,16,"%d", vpw->pw_uid);
  memcpy( adir.pw_uid, tmpbuf, strlen(tmpbuf));

  snprintf(tmpbuf,16,"%d", vpw->pw_gid);
  memcpy( adir.pw_gid, tmpbuf, strlen(tmpbuf));

  memcpy( adir.pw_dir, vpw->pw_dir, strlen(vpw->pw_dir));
  memcpy( adir.pw_shell, vpw->pw_shell, strlen(vpw->pw_shell));
  memcpy( adir.pw_clear_passwd, vpw->pw_clear_passwd, 
          strlen(vpw->pw_clear_passwd));

  if ( write(sock,&adir, sizeof(struct actdirvp))<0){
    close(sock);
    printf("write failed\n");
    return(-1);
  }

  if ( read(sock,&adir, sizeof(struct actdirvp))<0) {
    close(sock);
    printf("read failed\n");
    return(-1);