diff options
Diffstat (limited to 'source4/utils/smbpasswd.c')
-rw-r--r-- | source4/utils/smbpasswd.c | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/source4/utils/smbpasswd.c b/source4/utils/smbpasswd.c deleted file mode 100644 index 743023afd7..0000000000 --- a/source4/utils/smbpasswd.c +++ /dev/null @@ -1,605 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * Copyright (C) Jeremy Allison 1995-1998 - * Copyright (C) Tim Potter 2001 - * - * 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., 675 - * Mass Ave, Cambridge, MA 02139, USA. */ - -#include "includes.h" - -extern BOOL AllowDebugChange; - -/* - * Next two lines needed for SunOS and don't - * hurt anything else... - */ -extern char *optarg; -extern int optind; - -/* forced running in root-mode */ -static BOOL got_pass = False, got_username = False; -static BOOL stdin_passwd_get = False; -static fstring user_name, user_password; -static char *new_passwd = NULL; -static const char *remote_machine = NULL; - -static fstring ldap_secret; - -/********************************************************* - Print command usage on stderr and die. -**********************************************************/ -static void usage(void) -{ - printf("When run by root:\n"); - printf(" smbpasswd [options] [username] [password]\n"); - printf("otherwise:\n"); - printf(" smbpasswd [options] [password]\n\n"); - - printf("options:\n"); - printf(" -L local mode (must be first option)\n"); - printf(" -h print this usage message\n"); - printf(" -s use stdin for password prompt\n"); - printf(" -c smb.conf file Use the given path to the smb.conf file\n"); - printf(" -D LEVEL debug level\n"); - printf(" -r MACHINE remote machine\n"); - printf(" -U USER remote username\n"); - - printf("extra options when run by root or in local mode:\n"); - printf(" -a add user\n"); - printf(" -d disable user\n"); - printf(" -e enable user\n"); - printf(" -i interdomain trust account\n"); - printf(" -m machine trust account\n"); - printf(" -n set no password\n"); - printf(" -w ldap admin password\n"); - printf(" -x delete user\n"); - printf(" -R ORDER name resolve order\n"); - - exit(1); -} - -static void set_line_buffering(FILE *f) -{ - setvbuf(f, NULL, _IOLBF, 0); -} - -/******************************************************************* - Process command line options - ******************************************************************/ -static int process_options(int argc, char **argv, int local_flags) -{ - int ch; - pstring configfile; - pstrcpy(configfile, dyn_CONFIGFILE); - - local_flags |= LOCAL_SET_PASSWORD; - - ZERO_STRUCT(user_name); - ZERO_STRUCT(user_password); - - user_name[0] = '\0'; - - while ((ch = getopt(argc, argv, "c:axdehminjr:sw:R:D:U:L")) != EOF) { - switch(ch) { - case 'L': - local_flags |= LOCAL_AM_ROOT; - break; - case 'c': - pstrcpy(configfile,optarg); - break; - case 'a': - local_flags |= LOCAL_ADD_USER; - break; - case 'x': - local_flags |= LOCAL_DELETE_USER; - local_flags &= ~LOCAL_SET_PASSWORD; - break; - case 'd': - local_flags |= LOCAL_DISABLE_USER; - local_flags &= ~LOCAL_SET_PASSWORD; - break; - case 'e': - local_flags |= LOCAL_ENABLE_USER; - local_flags &= ~LOCAL_SET_PASSWORD; - break; - case 'm': - local_flags |= LOCAL_TRUST_ACCOUNT; - break; - case 'i': - local_flags |= LOCAL_INTERDOM_ACCOUNT; - break; - case 'j': - d_printf("See 'net join' for this functionality\n"); - exit(1); - break; - case 'n': - local_flags |= LOCAL_SET_NO_PASSWORD; - local_flags &= ~LOCAL_SET_PASSWORD; - new_passwd = smb_xstrdup("NO PASSWORD"); - break; - case 'r': - remote_machine = optarg; - break; - case 's': - set_line_buffering(stdin); - set_line_buffering(stdout); - set_line_buffering(stderr); - stdin_passwd_get = True; - break; - case 'w': - local_flags |= LOCAL_SET_LDAP_ADMIN_PW; - fstrcpy(ldap_secret, optarg); - break; - case 'R': - lp_set_name_resolve_order(optarg); - break; - case 'D': - DEBUGLEVEL = atoi(optarg); - break; - case 'U': { - char *lp; - - got_username = True; - fstrcpy(user_name, optarg); - - if ((lp = strchr(user_name, '%'))) { - *lp = 0; - fstrcpy(user_password, lp + 1); - got_pass = True; - memset(strchr_m(optarg, '%') + 1, 'X', - strlen(user_password)); - } - - break; - } - case 'h': - default: - usage(); - } - } - - argc -= optind; - argv += optind; - - switch(argc) { - case 0: - if (!got_username) - fstrcpy(user_name, ""); - break; - case 1: - if (!(local_flags & LOCAL_AM_ROOT)) { - new_passwd = argv[0]; - } else { - if (got_username) { - usage(); - } else { - fstrcpy(user_name, argv[0]); - } - } - break; - case 2: - if (!(local_flags & LOCAL_AM_ROOT) || got_username || got_pass) { - usage(); - } - - fstrcpy(user_name, argv[0]); - new_passwd = smb_xstrdup(argv[1]); - break; - default: - usage(); - } - - if (!lp_load(configfile,True,False,False)) { - fprintf(stderr, "Can't load %s - run testparm to debug it\n", - dyn_CONFIGFILE); - exit(1); - } - - return local_flags; -} - -/************************************************************* - Utility function to prompt for passwords from stdin. Each - password entered must end with a newline. -*************************************************************/ -static char *stdin_new_passwd(void) -{ - static fstring new_pw; - size_t len; - - ZERO_ARRAY(new_pw); - - /* - * if no error is reported from fgets() and string at least contains - * the newline that ends the password, then replace the newline with - * a null terminator. - */ - if ( fgets(new_pw, sizeof(new_pw), stdin) != NULL) { - if ((len = strlen(new_pw)) > 0) { - if(new_pw[len-1] == '\n') - new_pw[len - 1] = 0; - } - } - return(new_pw); -} - - -/************************************************************* - Utility function to get passwords via tty or stdin - Used if the '-s' option is set to silently get passwords - to enable scripting. -*************************************************************/ -static char *get_pass( const char *prompt, BOOL stdin_get) -{ - char *p; - if (stdin_get) { - p = stdin_new_passwd(); - } else { - p = getpass(prompt); - } - return smb_xstrdup(p); -} - -/************************************************************* - Utility function to prompt for new password. -*************************************************************/ -static char *prompt_for_new_password(BOOL stdin_get) -{ - char *p; - fstring new_pw; - - ZERO_ARRAY(new_pw); - - p = get_pass("New SMB password:", stdin_get); - - fstrcpy(new_pw, p); - SAFE_FREE(p); - - p = get_pass("Retype new SMB password:", stdin_get); - - if (strcmp(p, new_pw)) { - fprintf(stderr, "Mismatch - password unchanged.\n"); - ZERO_ARRAY(new_pw); - SAFE_FREE(p); - return NULL; - } - - return p; -} - - -/************************************************************* - Change a password either locally or remotely. -*************************************************************/ - -static BOOL password_change(const char *remote_mach, char *username, - char *old_passwd, char *new_pw, int local_flags) -{ - BOOL ret; - pstring err_str; - pstring msg_str; - - if (remote_mach != NULL) { - if (local_flags & (LOCAL_ADD_USER|LOCAL_DELETE_USER|LOCAL_DISABLE_USER|LOCAL_ENABLE_USER| - LOCAL_TRUST_ACCOUNT|LOCAL_SET_NO_PASSWORD)) { - /* these things can't be done remotely yet */ - return False; - } - ret = remote_password_change(remote_mach, username, - old_passwd, new_pw, err_str, sizeof(err_str)); - if(*err_str) - fprintf(stderr, err_str); - return ret; - } - - ret = local_password_change(username, local_flags, new_pw, - err_str, sizeof(err_str), msg_str, sizeof(msg_str)); - - if(*msg_str) - printf(msg_str); - if(*err_str) - fprintf(stderr, err_str); - - return ret; -} - -/******************************************************************* - Store the LDAP admin password in secrets.tdb - ******************************************************************/ -static BOOL store_ldap_admin_pw (char* pw) -{ - if (!pw) - return False; - - if (!secrets_init()) - return False; - - return secrets_store_ldap_pw(lp_ldap_admin_dn(), pw); -} - - -/************************************************************* - Handle password changing for root. -*************************************************************/ - -static int process_root(int local_flags) -{ - struct passwd *pwd; - int result = 0; - char *old_passwd = NULL; - - if (local_flags & LOCAL_SET_LDAP_ADMIN_PW) - { - printf("Setting stored password for \"%s\" in secrets.tdb\n", - lp_ldap_admin_dn()); - if (!store_ldap_admin_pw(ldap_secret)) - DEBUG(0,("ERROR: Failed to store the ldap admin password!\n")); - goto done; - } - - /* - * Ensure both add/delete user are not set - * Ensure add/delete user and either remote machine or join domain are - * not both set. - */ - if(((local_flags & (LOCAL_ADD_USER|LOCAL_DELETE_USER)) == (LOCAL_ADD_USER|LOCAL_DELETE_USER)) || - ((local_flags & (LOCAL_ADD_USER|LOCAL_DELETE_USER)) && - (remote_machine != NULL))) { - usage(); - } - - /* Only load interfaces if we are doing network operations. */ - - if (remote_machine) { - load_interfaces(); - } - - if (!user_name[0] && (pwd = getpwuid_alloc(geteuid()))) { - fstrcpy(user_name, pwd->pw_name); - passwd_free(&pwd); - } - - if (!user_name[0]) { - fprintf(stderr,"You must specify a username\n"); - exit(1); - } - - if (local_flags & LOCAL_TRUST_ACCOUNT) { - /* add the $ automatically */ - static fstring buf; - - /* - * Remove any trailing '$' before we - * generate the initial machine password. - */ - - if (user_name[strlen(user_name)-1] == '$') { - user_name[strlen(user_name)-1] = 0; - } - - if (local_flags & LOCAL_ADD_USER) { - SAFE_FREE(new_passwd); - new_passwd = smb_xstrdup(user_name); - strlower(new_passwd); - } - - /* - * Now ensure the username ends in '$' for - * the machine add. - */ - - slprintf(buf, sizeof(buf)-1, "%s$", user_name); - fstrcpy(user_name, buf); - } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) { - static fstring buf; - - if (local_flags & LOCAL_ADD_USER) { - /* - * Prompt for trusting domain's account password - */ - new_passwd = prompt_for_new_password(stdin_passwd_get); - if(!new_passwd) { - fprintf(stderr, "Unable to get newpassword.\n"); - exit(1); - } - } - - /* prepare uppercased and '$' terminated username */ - slprintf(buf, sizeof(buf) - 1, "%s$", user_name); - fstrcpy(user_name, buf); - - } else { - - if (remote_machine != NULL) { - old_passwd = get_pass("Old SMB password:",stdin_passwd_get); - } - - if (!(local_flags & LOCAL_SET_PASSWORD)) { - - /* - * If we are trying to enable a user, first we need to find out - * if they are using a modern version of the smbpasswd file that - * disables a user by just writing a flag into the file. If so - * then we can re-enable a user without prompting for a new - * password. If not (ie. they have a no stored password in the - * smbpasswd file) then we need to prompt for a new password. - */ - - if(local_flags & LOCAL_ENABLE_USER) { - SAM_ACCOUNT *sampass = NULL; - BOOL ret; - - pdb_init_sam(&sampass); - ret = pdb_getsampwnam(sampass, user_name); - if((sampass != False) && (pdb_get_lanman_passwd(sampass) == NULL)) { - local_flags |= LOCAL_SET_PASSWORD; - } - pdb_free_sam(&sampass); - } - } - - if(local_flags & LOCAL_SET_PASSWORD) { - new_passwd = prompt_for_new_password(stdin_passwd_get); - - if(!new_passwd) { - fprintf(stderr, "Unable to get new password.\n"); - exit(1); - } - } - } - - if (!password_change(remote_machine, user_name, old_passwd, new_passwd, local_flags)) { - fprintf(stderr,"Failed to modify password entry for user %s\n", user_name); - result = 1; - goto done; - } - - if(remote_machine) { - printf("Password changed for user %s on %s.\n", user_name, remote_machine ); - } else if(!(local_flags & (LOCAL_ADD_USER|LOCAL_DISABLE_USER|LOCAL_ENABLE_USER|LOCAL_DELETE_USER|LOCAL_SET_NO_PASSWORD|LOCAL_SET_PASSWORD))) { - SAM_ACCOUNT *sampass = NULL; - BOOL ret; - - pdb_init_sam(&sampass); - ret = pdb_getsampwnam(sampass, user_name); - - printf("Password changed for user %s.", user_name ); - if( (ret != False) && (pdb_get_acct_ctrl(sampass)&ACB_DISABLED) ) - printf(" User has disabled flag set."); - if((ret != False) && (pdb_get_acct_ctrl(sampass) & ACB_PWNOTREQ) ) - printf(" User has no password flag set."); - printf("\n"); - pdb_free_sam(&sampass); - } - - done: - SAFE_FREE(new_passwd); - return result; -} - - -/************************************************************* - Handle password changing for non-root. -*************************************************************/ - -static int process_nonroot(int local_flags) -{ - struct passwd *pwd = NULL; - int result = 0; - char *old_pw = NULL; - char *new_pw = NULL; - - if (local_flags & ~(LOCAL_AM_ROOT | LOCAL_SET_PASSWORD)) { - /* Extra flags that we can't honor non-root */ - usage(); - } - - if (!user_name[0]) { - pwd = getpwuid_alloc(getuid()); - if (pwd) { - fstrcpy(user_name,pwd->pw_name); - passwd_free(&pwd); - } else { - fprintf(stderr, "smbpasswd: you don't exist - go away\n"); - exit(1); - } - } - - /* - * A non-root user is always setting a password - * via a remote machine (even if that machine is - * localhost). - */ - - load_interfaces(); /* Delayed from main() */ - - if (remote_machine == NULL) { - remote_machine = "127.0.0.1"; - } - - if (remote_machine != NULL) { - old_pw = get_pass("Old SMB password:",stdin_passwd_get); - } - - if (!new_passwd) { - new_pw = prompt_for_new_password(stdin_passwd_get); - } - else - new_pw = smb_xstrdup(new_passwd); - - if (!new_pw) { - fprintf(stderr, "Unable to get new password.\n"); - exit(1); - } - - if (!password_change(remote_machine, user_name, old_pw, new_pw, 0)) { - fprintf(stderr,"Failed to change password for %s\n", user_name); - result = 1; - goto done; - } - - printf("Password changed for user %s\n", user_name); - - done: - SAFE_FREE(old_pw); - SAFE_FREE(new_pw); - - return result; -} - - - -/********************************************************* - Start here. -**********************************************************/ -int main(int argc, char **argv) -{ - int local_flags = 0; - - AllowDebugChange = False; - -#if defined(HAVE_SET_AUTH_PARAMETERS) - set_auth_parameters(argc, argv); -#endif /* HAVE_SET_AUTH_PARAMETERS */ - - if (getuid() == 0) { - local_flags = LOCAL_AM_ROOT; - } - - local_flags = process_options(argc, argv, local_flags); - - setup_logging("smbpasswd", DEBUG_STDOUT); - - /* - * Set the machine NETBIOS name if not already - * set from the config file. - */ - - if (!init_names()) - return 1; - - /* Check the effective uid - make sure we are not setuid */ - if (is_setuid_root()) { - fprintf(stderr, "smbpasswd must *NOT* be setuid root.\n"); - exit(1); - } - - if (local_flags & LOCAL_AM_ROOT) { - secrets_init(); - return process_root(local_flags); - } - - return process_nonroot(local_flags); -} |