extern pstring myhostname;
extern pstring global_myname;
-extern fstring global_myworkgroup;
+extern int DEBUGLEVEL;
-static char *prog_name;
+/*
+ * Next two lines needed for SunOS and don't
+ * hurt anything else...
+ */
+extern char *optarg;
+extern int optind;
/*********************************************************
- Print command usage on stderr and die.
+a strdup with exit
**********************************************************/
+static char *xstrdup(char *s)
+{
+ s = strdup(s);
+ if (!s) {
+ fprintf(stderr,"out of memory\n");
+ exit(1);
+ }
+ return s;
+}
+
-static void usage(char *name, BOOL is_root)
+/*********************************************************
+ Print command usage on stderr and die.
+**********************************************************/
+static void usage(void)
{
- if(is_root)
- fprintf(stderr, "Usage is : %s [-D DEBUGLEVEL] [-a] [-d] [-m] [-n] [username] [password]\n\
-%s: [-R <name resolve order>] [-D DEBUGLEVEL] [-j DOMAINNAME] [-r machine] [-U remote_username] [username] [password]\n%s: [-h]\n", name, name, name);
- else
- fprintf(stderr, "Usage is : %s [-h] [-D DEBUGLEVEL] [-r machine] [-U remote_username] [password]\n", name);
+ if (getuid() == 0) {
+ printf("smbpasswd [options] [username] [password]\n");
+ } else {
+ printf("smbpasswd [options] [password]\n");
+ }
+ printf("options:\n");
+ printf(" -s use stdin for password prompt\n");
+ printf(" -D LEVEL debug level\n");
+ printf(" -U USER remote username\n");
+ printf(" -r MACHINE remote machine\n");
+
+ if (getuid() == 0) {
+ printf(" -R ORDER name resolve order\n");
+ printf(" -j DOMAIN join domain name\n");
+ printf(" -a add user\n");
+ printf(" -d disable user\n");
+ printf(" -e enable user\n");
+ printf(" -n set no password\n");
+ printf(" -m machine trust account\n");
+ }
exit(1);
}
/*********************************************************
Join a domain.
**********************************************************/
+static int join_domain(char *domain, char *remote)
+{
+ pstring remote_machine;
+ fstring trust_passwd;
+ unsigned char orig_trust_passwd_hash[16];
+ BOOL ret;
+
+ pstrcpy(remote_machine, remote ? remote : "");
+ fstrcpy(trust_passwd, global_myname);
+ strlower(trust_passwd);
+ E_md4hash( (uchar *)trust_passwd, orig_trust_passwd_hash);
+
+ /* Ensure that we are not trying to join a
+ domain if we are locally set up as a domain
+ controller. */
+
+ if(strequal(remote, global_myname)) {
+ fprintf(stderr, "Cannot join domain %s as the domain controller name is our own. We cannot be a domain controller for a domain and also be a domain member.\n", domain);
+ return 1;
+ }
+
+ /*
+ * Create the machine account password file.
+ */
+ if(!trust_password_lock( domain, global_myname, True)) {
+ fprintf(stderr, "unable to open the machine account password file for \
+machine %s in domain %s.\n", global_myname, domain);
+ return 1;
+ }
+
+ /*
+ * Write the old machine account password.
+ */
+
+ if(!set_trust_account_password( orig_trust_passwd_hash)) {
+ fprintf(stderr, "unable to write the machine account password for \
+machine %s in domain %s.\n", global_myname, domain);
+ trust_password_unlock();
+ return 1;
+ }
+
+ /*
+ * If we are given a remote machine assume this is the PDC.
+ */
+
+ if(remote == NULL) {
+ pstrcpy(remote_machine, lp_passwordserver());
+ }
+
+ if(!*remote_machine) {
+ fprintf(stderr, "No password server list given in smb.conf - \
+unable to join domain.\n");
+ trust_password_unlock();
+ return 1;
+ }
+
+ ret = change_trust_account_password( domain, remote_machine);
+ trust_password_unlock();
+
+ if(!ret) {
+ trust_password_delete( domain, global_myname);
+ fprintf(stderr,"Unable to join domain %s.\n",domain);
+ } else {
+ printf("Joined domain %s.\n",domain);
+ }
+
+ return (int)ret;
+}
+
+
+static void set_line_buffering(FILE *f)
+{
+ setvbuf(f, NULL, _IOLBF, 0);
+}
+
+/*************************************************************
+ 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_passwd;
+ size_t len;
+
+ ZERO_ARRAY(new_passwd);
+
+ /*
+ * 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_passwd, sizeof(new_passwd), stdin) != NULL) {
+ if ((len = strlen(new_passwd)) > 0) {
+ if(new_passwd[len-1] == '\n')
+ new_passwd[len - 1] = 0;
+ }
+ }
+ return(new_passwd);
+}
+
+
+/*************************************************************
+ 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( char *prompt, BOOL stdin_get)
+{
+ char *p;
+ if (stdin_get) {
+ p = stdin_new_passwd();
+ } else {
+ p = getpass(prompt);
+ }
+ return xstrdup(p);
+}
+
+/*************************************************************
+ Utility function to prompt for new password.
+*************************************************************/
+static char *prompt_for_new_password(BOOL stdin_get)
+{
+ char *p;
+ fstring new_passwd;
-static int join_domain( char *domain, char *remote)
+ ZERO_ARRAY(new_passwd);
+
+ p = get_pass("New SMB password:", stdin_get);
+
+ fstrcpy(new_passwd, p);
+
+ p = get_pass("Retype new SMB password:", stdin_get);
+
+ if (strcmp(p, new_passwd)) {
+ fprintf(stderr, "Mismatch - password unchanged.\n");
+ return NULL;
+ }
+
+ return xstrdup(p);
+}
+
+
+/*************************************************************
+change a password either locally or remotely
+*************************************************************/
+static BOOL password_change(const char *remote_machine, char *user_name,
+ char *old_passwd, char *new_passwd,
+ BOOL add_user, BOOL enable_user,
+ BOOL disable_user, BOOL set_no_password,
+ BOOL trust_account)
+{
+ BOOL ret;
+ pstring err_str;
+ pstring msg_str;
+
+ if (remote_machine != NULL) {
+ if (add_user || enable_user || disable_user || set_no_password || trust_account) {
+ /* these things can't be done remotely yet */
+ return False;
+ }
+ ret = remote_password_change(remote_machine, user_name,
+ old_passwd, new_passwd, err_str, sizeof(err_str));
+ if(*err_str)
+ fprintf(stderr, err_str);
+ return ret;
+ }
+
+ ret = local_password_change(user_name, trust_account, add_user, enable_user,
+ disable_user, set_no_password, new_passwd,
+ 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;
+}
+
+
+/*************************************************************
+handle password changing for root
+*************************************************************/
+static int process_root(int argc, char *argv[])
{
- pstring remote_machine;
- fstring trust_passwd;
- unsigned char orig_trust_passwd_hash[16];
- BOOL ret;
-
- pstrcpy(remote_machine, remote ? remote : "");
- fstrcpy(trust_passwd, global_myname);
- strlower(trust_passwd);
- E_md4hash( (uchar *)trust_passwd, orig_trust_passwd_hash);
-
- /* Ensure that we are not trying to join a
- domain if we are locally set up as a domain
- controller. */
-
- if(lp_domain_controller() && strequal(lp_workgroup(), domain)) {
- fprintf(stderr, "%s: Cannot join domain %s as we already configured as \
-domain controller for that domain.\n", prog_name, domain);
- return 1;
- }
-
- /*
- * Create the machine account password file.
- */
- if(!trust_password_lock( domain, global_myname, True)) {
- fprintf(stderr, "%s: unable to open the machine account password file for \
-machine %s in domain %s.\n", prog_name, global_myname, domain);
- return 1;
- }
-
- /*
- * Write the old machine account password.
- */
-
- if(!set_trust_account_password( orig_trust_passwd_hash)) {
- fprintf(stderr, "%s: unable to write the machine account password for \
-machine %s in domain %s.\n", prog_name, global_myname, domain);
- trust_password_unlock();
- return 1;
- }
-
- /*
- * If we are given a remote machine assume this is the PDC.
- */
-
- if(remote == NULL)
- pstrcpy(remote_machine, lp_passwordserver());
-
- if(!*remote_machine) {
- fprintf(stderr, "%s: No password server list given in smb.conf - \
-unable to join domain.\n", prog_name);
- trust_password_unlock();
- return 1;
- }
-
- ret = change_trust_account_password( domain, remote_machine);
- trust_password_unlock();
-
- if(!ret) {
- trust_password_delete( domain, global_myname);
- fprintf(stderr,"%s: Unable to join domain %s.\n", prog_name, domain);
- } else {
- printf("%s: Joined domain %s.\n", prog_name, domain);
- }
-
- return (int)ret;
+ struct passwd *pwd;
+ int ch;
+ BOOL joining_domain = False;
+ BOOL trust_account = False;
+ BOOL add_user = False;
+ BOOL disable_user = False;
+ BOOL enable_user = False;
+ BOOL set_no_password = False;
+ BOOL stdin_passwd_get = False;
+ char *user_name = NULL;
+ char *new_domain = NULL;
+ char *new_passwd = NULL;
+ char *old_passwd = NULL;
+ char *remote_machine = NULL;
+
+ while ((ch = getopt(argc, argv, "adehmnj:r:sR:D:U:")) != EOF) {
+ switch(ch) {
+ case 'a':
+ add_user = True;
+ break;
+ case 'd':
+ disable_user = True;
+ new_passwd = "XXXXXX";
+ break;
+ case 'e':
+ enable_user = True;
+ break;
+ case 'D':
+ DEBUGLEVEL = atoi(optarg);
+ break;
+ case 'n':
+ set_no_password = True;
+ new_passwd = "NO PASSWORD";
+ 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 'R':
+ lp_set_name_resolve_order(optarg);
+ break;
+ case 'm':
+ trust_account = True;
+ break;
+ case 'j':
+ new_domain = optarg;
+ strupper(new_domain);
+ joining_domain = True;
+ break;
+ case 'U':
+ user_name = optarg;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+
+ /*
+ * Ensure add_user and either remote machine or join domain are
+ * not both set.
+ */
+ if(add_user && ((remote_machine != NULL) || joining_domain)) {
+ usage();
+ }
+
+ if(joining_domain) {
+ if (argc != 0) usage();
+ return join_domain(new_domain, remote_machine);
+ }
+
+ /*
+ * Deal with root - can add a user, but only locally.
+ */
+
+ switch(argc) {
+ case 0:
+ break;
+ case 1:
+ user_name = argv[0];
+ break;
+ case 2:
+ user_name = argv[0];
+ new_passwd = argv[1];
+ break;
+ default:
+ usage();
+ }
+
+ if (!user_name && (pwd = getpwuid(0))) {
+ user_name = xstrdup(pwd->pw_name);
+ }
+
+ if (!user_name) {
+ fprintf(stderr,"You must specify a username\n");
+ exit(1);
+ }
+
+ if (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 (add_user) {
+ new_passwd = xstrdup(user_name);
+ strlower(new_passwd);
+ }
+
+ /*
+ * Now ensure the username ends in '$' for
+ * the machine add.
+ */
+
+ slprintf(buf, sizeof(buf)-1, "%s$", user_name);
+ user_name = buf;
+ }
+
+ if (!remote_machine && !Get_Pwnam(user_name, True)) {
+ fprintf(stderr, "User \"%s\" was not found in system password file.\n",
+ user_name);
+ exit(1);
+ }
+
+ if (remote_machine != NULL) {
+ old_passwd = get_pass("Old SMB password:",stdin_passwd_get);
+ }
+
+ if (!new_passwd) {
+
+ /*
+ * 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(enable_user) {
+ struct smb_passwd *smb_pass = getsmbpwnam(user_name);
+ if((smb_pass != NULL) && (smb_pass->smb_passwd != NULL)) {
+ new_passwd = "XXXX"; /* Don't care. */
+ }
+ }
+
+ if(!new_passwd)
+ new_passwd = prompt_for_new_password(stdin_passwd_get);
+ }
+
+ if (!password_change(remote_machine, user_name, old_passwd, new_passwd,
+ add_user, enable_user, disable_user, set_no_password,
+ trust_account)) {
+ fprintf(stderr,"Failed to change password entry for %s\n", user_name);
+ return 1;
+ }
+
+ if(disable_user) {
+ printf("User %s disabled.\n", user_name);
+ } else if(enable_user) {
+ printf("User %s enabled.\n", user_name);
+ } else if (set_no_password) {
+ printf("User %s - set to no password.\n", user_name);
+ } else {
+ printf("Password changed for user %s\n", user_name);
+ }
+ return 0;
}
+
+/*************************************************************
+handle password changing for non-root
+*************************************************************/
+static int process_nonroot(int argc, char *argv[])
+{
+ struct passwd *pwd = NULL;
+ int ch;
+ BOOL stdin_passwd_get = False;
+ char *old_passwd = NULL;
+ char *remote_machine = NULL;
+ char *user_name = NULL;
+ char *new_passwd = NULL;
+
+ while ((ch = getopt(argc, argv, "hD:r:sU:")) != EOF) {
+ switch(ch) {
+ case 'D':
+ DEBUGLEVEL = atoi(optarg);
+ 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 'U':
+ user_name = optarg;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if(argc > 1) {
+ usage();
+ }
+
+ if (argc == 1) {
+ new_passwd = argv[0];
+ }
+
+ if (!user_name) {
+ pwd = getpwuid(getuid());
+ if (pwd) {
+ user_name = xstrdup(pwd->pw_name);
+ } else {
+ fprintf(stderr,"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).
+ */
+ if (remote_machine == NULL) {
+ remote_machine = "127.0.0.1";
+ }
+
+
+ if (remote_machine != NULL) {
+ old_passwd = get_pass("Old SMB password:",stdin_passwd_get);
+ }
+
+ if (!new_passwd) {
+ new_passwd = prompt_for_new_password(stdin_passwd_get);
+ }
+
+ if (!new_passwd) {
+ printf("unable to get new password\n");
+ exit(0);
+ }
+
+ if (!password_change(remote_machine, user_name, old_passwd, new_passwd,
+ False, False, False, False, False)) {
+ fprintf(stderr,"Failed to change password for %s\n", user_name);
+ return 1;
+ }
+
+ printf("Password changed for user %s\n", user_name);
+ return 0;
+}
+
+
+
/*********************************************************
Start here.
**********************************************************/
-
int main(int argc, char **argv)
-{
- extern char *optarg;
- extern int optind;
- extern int DEBUGLEVEL;
- int real_uid;
- struct passwd *pwd;
- fstring old_passwd;
- fstring new_passwd;
- uchar new_p16[16];
- uchar new_nt_p16[16];
- char *p;
- struct smb_passwd *smb_pwent;
- FILE *fp;
- int ch;
- int err;
- BOOL is_root = False;
- pstring user_name;
- BOOL remote_user_name = False;
- char *remote_machine = NULL;
- BOOL add_user = False;
- BOOL got_new_pass = False;
- BOOL trust_account = False;
- BOOL disable_user = False;
- BOOL set_no_password = False;
- BOOL joining_domain = False;
- char *new_domain = NULL;
- pstring servicesf = CONFIGFILE;
- void *vp;
-
- new_passwd[0] = '\0';
- user_name[0] = '\0';
-
- memset(old_passwd, '\0', sizeof(old_passwd));
- memset(new_passwd, '\0', sizeof(new_passwd));
-
- prog_name = argv[0];
-
- TimeInit();
-
- setup_logging(prog_name,True);
-
- charset_initialise();
-
- if(!initialize_password_db()) {
- fprintf(stderr, "%s: Can't setup password database vectors.\n", prog_name);
- exit(1);
- }
-
- if (!lp_load(servicesf,True,False,False)) {
- fprintf(stderr, "%s: Can't load %s - run testparm to debug it\n", prog_name, servicesf);
- exit(1);
- }
-
- if(!get_myname(myhostname,NULL)) {
- fprintf(stderr, "%s: unable to get my hostname.\n", prog_name );
- exit(1);
- }
-
- /*
- * Set the machine NETBIOS name if not already
- * set from the config file.
- */
-
- if (!*global_myname)
- {
- fstrcpy( global_myname, myhostname );
- p = strchr( global_myname, '.' );
- if (p)
- *p = 0;
- }
- strupper( global_myname );
-
- codepage_initialise(lp_client_code_page());
-
- /* Get the real uid */
- real_uid = getuid();
-
- /* Check the effective uid */
- if ((geteuid() == 0) && (real_uid != 0)) {
- fprintf(stderr, "%s: Must *NOT* be setuid root.\n", prog_name);
- exit(1);
- }
-
- is_root = (real_uid == 0);
-
- while ((ch = getopt(argc, argv, "adhmnj:r:R:D:U:")) != EOF) {
- switch(ch) {
- case 'a':
- if(is_root)
- add_user = True;
- else
- usage(prog_name, is_root);
- break;
- case 'd':
- if(is_root) {
- disable_user = True;
- got_new_pass = True;
- fstrcpy(new_passwd, "XXXXXX");
- } else
- usage(prog_name, is_root);
- break;
- case 'D':
- DEBUGLEVEL = atoi(optarg);
- break;
- case 'n':
- if(is_root) {
- set_no_password = True;
- got_new_pass = True;
- fstrcpy(new_passwd, "NO PASSWORD");
- } else
- usage(prog_name, is_root);
- case 'r':
- remote_machine = optarg;
- break;
- case 'R':
- if(is_root) {
- lp_set_name_resolve_order(optarg);
- break;
- } else
- usage(prog_name, is_root);
- case 'm':
- if(is_root) {
- trust_account = True;
- } else
- usage(prog_name, is_root);
- break;
- case 'j':
- if(is_root) {
- new_domain = optarg;
- strupper(new_domain);
- joining_domain = True;
- } else
- usage(prog_name, is_root);
- break;
- case 'U':
- remote_user_name = True;
- pstrcpy(user_name, optarg);
- break;
- case 'h':
- default:
- usage(prog_name, is_root);
- }
- }
-
- argc -= optind;
- argv += optind;
-
- if (!is_root && remote_user_name && !remote_machine) {
- fprintf(stderr, "%s: You can only use -U with -r.\n", prog_name);
- usage(prog_name, False);
- }
-
- /*
- * Ensure add_user and either remote machine or join domain are
- * not both set.
- */
-
- if(add_user && ((remote_machine != NULL) || joining_domain))
- usage(prog_name, True);
-
- /*
- * Deal with joining a domain.
- */
- if(joining_domain && argc != 0)
- usage(prog_name, True);
-
- if(joining_domain) {
- return join_domain( new_domain, remote_machine);
- }
-
- if(is_root) {
-
- /*
- * Deal with root - can add a user, but only locally.
- */
-
- switch(argc) {
- case 0:
- break;
- case 1:
- /* If we are root we can change another's password. */
- pstrcpy(user_name, argv[0]);
- break;
- case 2:
- pstrcpy(user_name, argv[0]);
- fstrcpy(new_passwd, argv[1]);
- got_new_pass = True;
- break;
- default:
- usage(prog_name, True);
- }
-
- if(*user_name) {
-
- if(trust_account) {
- int username_len = strlen(user_name);
- if(username_len >= sizeof(pstring) - 1) {
- fprintf(stderr, "%s: machine account name too long.\n", user_name);
- exit(1);
- }
-
- if(user_name[username_len-1] != '$') {
- user_name[username_len] = '$';
- user_name[username_len+1] = '\0';
- }
- }
-
- if(!remote_machine && ((pwd = Get_Pwnam(user_name, True)) == NULL)) {
- fprintf(stderr, "%s: User \"%s\" was not found in system password file.\n",
- prog_name, user_name);
- exit(1);
- }
- } else {
- if((pwd = getpwuid(real_uid)) != NULL)
- pstrcpy( user_name, pwd->pw_name);
- }
-
- } else {
-
- if(add_user) {
- fprintf(stderr, "%s: Only root can set anothers password.\n", prog_name);
- usage(prog_name, False);
- }
-
- if(argc > 1)
- usage(prog_name, False);
-
- if(argc == 1) {
- fstrcpy(new_passwd, argv[0]);
- got_new_pass = True;
- }
-
- if(!remote_user_name && ((pwd = getpwuid(real_uid)) != NULL))
- pstrcpy( user_name, pwd->pw_name);
-
- /*
- * A non-root user is always setting a password
- * via a remote machine (even if that machine is
- * localhost).
- */
-
- if(remote_machine == NULL)
- remote_machine = "127.0.0.1";
- }
+{
+ static pstring servicesf = CONFIGFILE;
+
+ TimeInit();
+
+ setup_logging("smbpasswd", True);
+
+ charset_initialise();
+
+ if (!lp_load(servicesf,True,False,False)) {
+ fprintf(stderr, "Can't load %s - run testparm to debug it\n",
+ servicesf);
+ exit(1);
+ }
+
+ if(!get_myname(myhostname,NULL)) {
+ fprintf(stderr, "unable to get my hostname.\n");
+ exit(1);
+ }
+
+ /*
+ * Set the machine NETBIOS name if not already
+ * set from the config file.
+ */
- if (*user_name == '\0') {
- fprintf(stderr, "%s: Unable to get a user name for password change.\n", prog_name);
- exit(1);
- }
-
- /*
- * If we are adding a machine account then pretend
- * we already have the new password, we will be using
- * the machinename as the password.
- */
-
- if(add_user && trust_account) {
- got_new_pass = True;
- strncpy(new_passwd, user_name, sizeof(fstring));
- new_passwd[sizeof(fstring)-1] = '\0';
- strlower(new_passwd);
- if(new_passwd[strlen(new_passwd)-1] == '$')
- new_passwd[strlen(new_passwd)-1] = '\0';
- }
-
- /*
- * If we are root we don't ask for the old password (unless it's on a
- * remote machine.
- */
-
- if (remote_machine != NULL) {
- p = getpass("Old SMB password:");
- fstrcpy(old_passwd, p);
- }
-
- if (!got_new_pass) {
- new_passwd[0] = '\0';
-
- p = getpass("New SMB password:");
-
- strncpy(new_passwd, p, sizeof(fstring));
- new_passwd[sizeof(fstring)-1] = '\0';
-
- p = getpass("Retype new SMB password:");
-
- if (strncmp(p, new_passwd, sizeof(fstring)-1))
- {
- fprintf(stderr, "%s: Mismatch - password unchanged.\n", prog_name);
- exit(1);
- }
- }
-
- if (new_passwd[0] == '\0') {
- printf("Password not set\n");
- exit(0);
- }
-
- /*
- * Now do things differently depending on if we're changing the
- * password on a remote machine. Remember - a normal user is
- * always using this code, looping back to the local smbd.
- */
-
- if(remote_machine != NULL) {
- struct cli_state cli;
- struct in_addr ip;
-
- if(!resolve_name( remote_machine, &ip)) {
- fprintf(stderr, "%s: unable to find an IP address for machine %s.\n",
- prog_name, remote_machine );
- exit(1);
- }
-
- ZERO_STRUCT(cli);
-
- if (!cli_initialise(&cli) || !cli_connect(&cli, remote_machine, &ip)) {
- fprintf(stderr, "%s: unable to connect to SMB server on machine %s. Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- exit(1);
- }
-
- if (!cli_session_request(&cli, remote_machine, 0x20, global_myname)) {
- fprintf(stderr, "%s: machine %s rejected the session setup. Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- cli_shutdown(&cli);
- exit(1);
- }
-
- cli.protocol = PROTOCOL_NT1;
-
- if (!cli_negprot(&cli)) {
- fprintf(stderr, "%s: machine %s rejected the negotiate protocol. Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- cli_shutdown(&cli);
- exit(1);
- }
-
- if (!cli_session_setup(&cli, user_name, old_passwd, strlen(old_passwd),
- "", 0, "")) {
- fprintf(stderr, "%s: machine %s rejected the session setup. Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- cli_shutdown(&cli);
- exit(1);
- }
-
- if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) {
- fprintf(stderr, "%s: machine %s rejected the tconX on the IPC$ share. Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- cli_shutdown(&cli);
- exit(1);
- }
-
- if(!cli_oem_change_password(&cli, user_name, new_passwd, old_passwd)) {
- fprintf(stderr, "%s: machine %s rejected the password change: Error was : %s.\n",
- prog_name, remote_machine, cli_errstr(&cli) );
- cli_shutdown(&cli);
- exit(1);
- }
-
- cli_shutdown(&cli);
- exit(0);
- }
-
- /*
- * Check for a machine account.
- */
-
- if(trust_account && !pwd) {
- fprintf(stderr, "%s: User %s does not exist in system password file \
-(usually /etc/passwd). Cannot add machine account without a valid system user.\n",
- prog_name, user_name);
- exit(1);
- }
-
- /* Calculate the MD4 hash (NT compatible) of the new password. */
-
- memset(new_nt_p16, '\0', 16);
- E_md4hash((uchar *) new_passwd, new_nt_p16);
-
- /* Mangle the password into Lanman format */
- new_passwd[14] = '\0';
- strupper(new_passwd);
-
- /*
- * Calculate the SMB (lanman) hash functions of the new password.
- */
-
- memset(new_p16, '\0', 16);
- E_P16((uchar *) new_passwd, new_p16);
-
- /*
- * Open the smbpaswd file.
- */
- vp = startsmbpwent(True);
- if (!vp && errno == ENOENT) {
- fp = fopen(lp_smb_passwd_file(), "w");
- if (fp) {
- fprintf(fp, "# Samba SMB password file\n");
- fclose(fp);
- vp = startsmbpwent(True);
- }
- }
- if (!vp) {
- err = errno;
- fprintf(stderr, "%s: Failed to open password file %s.\n",
- prog_name, lp_smb_passwd_file());
- errno = err;
- perror(prog_name);
- exit(err);
- }
-
- /* Get the smb passwd entry for this user */
- smb_pwent = getsmbpwnam(user_name);
- if (smb_pwent == NULL) {
- if(add_user == False) {
- fprintf(stderr, "%s: Failed to find entry for user %s.\n",
- prog_name, pwd->pw_name);
- endsmbpwent(vp);
- exit(1);
- }
-
- /* Create a new smb passwd entry and set it to the given password. */
- {
- struct smb_passwd new_smb_pwent;
-
- new_smb_pwent.smb_userid = pwd->pw_uid;
- new_smb_pwent.smb_name = pwd->pw_name;
- new_smb_pwent.smb_passwd = NULL;
- new_smb_pwent.smb_nt_passwd = NULL;
- new_smb_pwent.acct_ctrl = (trust_account ? ACB_WSTRUST : ACB_NORMAL);
-
- if(disable_user) {
- new_smb_pwent.acct_ctrl |= ACB_DISABLED;
- } else if (set_no_password) {
- new_smb_pwent.acct_ctrl |= ACB_PWNOTREQ;
- } else {
- new_smb_pwent.smb_passwd = new_p16;
- new_smb_pwent.smb_nt_passwd = new_nt_p16;
- }
-
- if(add_smbpwd_entry(&new_smb_pwent) == False) {
- fprintf(stderr, "%s: Failed to add entry for user %s.\n",
- prog_name, pwd->pw_name);
- endsmbpwent(vp);
- exit(1);
- }
-
- endsmbpwent(vp);
- printf("%s: Added user %s.\n", prog_name, user_name);
- exit(0);
- }
- } else {
- /* the entry already existed */
- add_user = False;
- }
-
- /*
- * We are root - just write the new password
- * and the valid last change time.
- */
-
- if(disable_user) {
- /*
- * This currently won't work as it means changing
- * the length of the record. JRA.
- */
- smb_pwent->acct_ctrl |= ACB_DISABLED;
- smb_pwent->smb_passwd = NULL;
- smb_pwent->smb_nt_passwd = NULL;
- } else if (set_no_password) {
- /*
- * This currently won't work as it means changing
- * the length of the record. JRA.
- */
- smb_pwent->acct_ctrl |= ACB_PWNOTREQ;
- smb_pwent->smb_passwd = NULL;
- smb_pwent->smb_nt_passwd = NULL;
- } else {
- smb_pwent->smb_passwd = new_p16;
- smb_pwent->smb_nt_passwd = new_nt_p16;
- }
-
- if(mod_smbpwd_entry(smb_pwent,True) == False) {
- fprintf(stderr, "%s: Failed to modify entry for user %s.\n",
- prog_name, pwd->pw_name);
- endsmbpwent(vp);
- exit(1);
- }
-
- endsmbpwent(vp);
- if(disable_user)
- printf("User %s disabled.\n", user_name);
- else if (set_no_password)
- printf("User %s - set to no password.\n", user_name);
- else
- printf("Password changed for user %s.\n", user_name);
- return 0;
+ if (!*global_myname) {
+ char *p;
+ fstrcpy(global_myname, myhostname);
+ p = strchr(global_myname, '.' );
+ if (p) *p = 0;
+ }
+ strupper(global_myname);
+
+ codepage_initialise(lp_client_code_page());
+
+ load_interfaces();
+
+ if(!pwdb_initialise(False))
+ {
+ fprintf(stderr, "Can't setup password database vectors.\n");
+ exit(1);
+ }
+
+ /* Check the effective uid - make sure we are not setuid */
+ if ((geteuid() == (uid_t)0) && (getuid() != (uid_t)0)) {
+ fprintf(stderr, "smbpasswd must *NOT* be setuid root.\n");
+ exit(1);
+ }
+
+ if (getuid() == 0) {
+ return process_root(argc, argv);
+ }
+
+ return process_nonroot(argc, argv);
}
git.samba.org / samba.git / blobdiff