summaryrefslogtreecommitdiffstats
path: root/source/utils/smbpasswd.c
diff options
context:
space:
mode:
Diffstat (limited to 'source/utils/smbpasswd.c')
-rw-r--r--source/utils/smbpasswd.c463
1 files changed, 244 insertions, 219 deletions
diff --git a/source/utils/smbpasswd.c b/source/utils/smbpasswd.c
index 24185114f13..5bd8b421b1d 100644
--- a/source/utils/smbpasswd.c
+++ b/source/utils/smbpasswd.c
@@ -33,6 +33,21 @@ extern int optind;
/* forced running in root-mode */
static BOOL local_mode;
+static BOOL joining_domain = False, got_pass = False, got_username = False;
+static int local_flags = 0;
+static BOOL stdin_passwd_get = False;
+static fstring user_name, user_password;
+static char *new_domain = NULL;
+static char *new_passwd = NULL;
+static char *old_passwd = NULL;
+static char *remote_machine = NULL;
+static pstring servicesf = CONFIGFILE;
+
+#ifdef WITH_LDAP_SAM
+static fstring ldap_secret;
+#endif
+
+
/*********************************************************
A strdup with exit
@@ -54,34 +69,172 @@ static char *strdup_x(const char *s)
**********************************************************/
static void usage(void)
{
- if (getuid() == 0) {
- printf("smbpasswd [options] [username] [password]\n");
- } else {
- printf("smbpasswd [options] [password]\n");
- }
+ 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(" -U USER remote username\n");
printf(" -r MACHINE remote machine\n");
+ printf(" -U USER remote username\n");
- if (getuid() == 0 || local_mode) {
- printf(" -L local mode (must be first option)\n");
- printf(" -R ORDER name resolve order\n");
- printf(" -j DOMAIN join domain name\n");
- printf(" -a add user\n");
- printf(" -x delete user\n");
- printf(" -d disable user\n");
- printf(" -e enable user\n");
- printf(" -n set no password\n");
- printf(" -m machine trust account\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(" -m machine trust account\n");
+ printf(" -n set no password\n");
#ifdef WITH_LDAP_SAM
- printf(" -w ldap admin password\n");
+ printf(" -w ldap admin password\n");
#endif
- }
+ printf(" -x delete user\n");
+ printf(" -j DOMAIN join domain name\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 void process_options(int argc, char **argv, BOOL amroot)
+{
+ int ch;
+
+ user_name[0] = '\0';
+
+ while ((ch = getopt(argc, argv, "c:axdehmnj:r:sw:R:D:U:L")) != EOF) {
+ switch(ch) {
+ case 'L':
+ local_mode = amroot = True;
+ break;
+ case 'c':
+ pstrcpy(servicesf,optarg);
+ break;
+ case 'a':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_ADD_USER;
+ break;
+ case 'x':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_DELETE_USER;
+ new_passwd = strdup_x("XXXXXX");
+ break;
+ case 'd':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_DISABLE_USER;
+ new_passwd = strdup_x("XXXXXX");
+ break;
+ case 'e':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_ENABLE_USER;
+ break;
+ case 'm':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_TRUST_ACCOUNT;
+ break;
+ case 'n':
+ if (!amroot) goto bad_args;
+ local_flags |= LOCAL_SET_NO_PASSWORD;
+ new_passwd = strdup_x("NO PASSWORD");
+ break;
+ case 'j':
+ if (!amroot) goto bad_args;
+ new_domain = optarg;
+ strupper(new_domain);
+ joining_domain = True;
+ 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':
+ if (!amroot) goto bad_args;
+#ifdef WITH_LDAP_SAM
+ local_flags |= LOCAL_SET_LDAP_ADMIN_PW;
+ fstrcpy(ldap_secret, optarg);
+ break;
+#else
+ printf("-w not available unless configured --with-ldap\n");
+ goto bad_args;
+#endif
+ case 'R':
+ if (!amroot) goto bad_args;
+ 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(optarg, '%') + 1, 'X',
+ strlen(user_password));
+ }
+
+ break;
+ }
+ case 'h':
+ default:
+bad_args:
+ usage();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (joining_domain && (argc != 0))
+ usage();
+
+ switch(argc) {
+ case 0:
+ if (!got_username)
+ fstrcpy(user_name, "");
+ break;
+ case 1:
+ if (!amroot == 1) {
+ new_passwd = argv[0];
+ break;
+ }
+ if (got_username)
+ usage();
+ fstrcpy(user_name, argv[0]);
+ break;
+ case 2:
+ if (!amroot || got_username || got_pass)
+ usage();
+ fstrcpy(user_name, argv[0]);
+ new_passwd = strdup_x(argv[1]);
+ break;
+ default:
+ usage();
+ }
+
+}
+
/* Initialise client credentials for authenticated pipe access */
void init_rpcclient_creds(struct ntuser_creds *creds, char* username,
@@ -117,15 +270,16 @@ Join a domain using the administrator username and password
goto done; \
}
-static int join_domain_byuser(char *domain, char *remote_machine,
+static int join_domain_byuser(char *domain, char *remote,
char *username, char *password)
{
/* libsmb variables */
+ pstring pdc_name;
struct nmb_name calling, called;
struct ntuser_creds creds;
struct cli_state cli;
- fstring dest_host, acct_name;
+ fstring acct_name;
struct in_addr dest_ip;
TALLOC_CTX *mem_ctx;
@@ -149,6 +303,8 @@ static int join_domain_byuser(char *domain, char *remote_machine,
NTSTATUS result;
int retval = 1;
+ pstrcpy(pdc_name, remote ? remote : "");
+
/* Connect to remote machine */
ZERO_STRUCT(cli);
@@ -167,17 +323,39 @@ static int join_domain_byuser(char *domain, char *remote_machine,
init_rpcclient_creds(&creds, username, domain, password);
cli_init_creds(&cli, &creds);
- if (!resolve_srv_name(remote_machine, dest_host, &dest_ip)) {
- DEBUG(0, ("Could not resolve name %s\n", remote_machine));
- goto done;
+ /*
+ * If we are given a remote machine assume this is the PDC.
+ */
+
+ if(remote == NULL || !strcmp(remote, "*")) {
+ struct in_addr *ip_list;
+ int addr_count;
+ if (!get_dc_list(True /* PDC only*/, domain, &ip_list, &addr_count)) {
+ fprintf(stderr, "Unable to find the domain controller for domain %s.\n", domain);
+ return 1;
+ }
+ if ((addr_count < 1) || (is_zero_ip(ip_list[0]))) {
+ fprintf(stderr, "Incorrect entries returned when finding the domain controller for domain %s.\n", domain);
+ return 1;
+ }
+
+ if (!lookup_dc_name(global_myname, domain, &ip_list[0], pdc_name)) {
+ fprintf(stderr, "Unable to lookup the name for the domain controller for domain %s.\n", domain);
+ return 1;
+ }
+ dest_ip = ip_list[0];
}
- make_nmb_name(&called, dns_to_netbios_name(dest_host), 0x20);
+ make_nmb_name(&called, pdc_name, 0x20);
make_nmb_name(&calling, dns_to_netbios_name(global_myname), 0);
- if (!cli_establish_connection(&cli, dest_host, &dest_ip, &calling,
+ if (!cli_establish_connection(&cli, pdc_name, &dest_ip, &calling,
&called, "IPC$", "IPC", False, True)) {
- DEBUG(0, ("Error connecting to %s\n", dest_host));
+ if (!NT_STATUS_IS_OK(cli_nt_error(&cli))) {
+ DEBUG(0, ("Error connecting to %s - %s\n", pdc_name,cli_errstr(&cli)));
+ } else {
+ DEBUG(0, ("Error connecting to %s\n", pdc_name));
+ }
goto done;
}
@@ -301,7 +479,7 @@ static int join_domain_byuser(char *domain, char *remote_machine,
encode_pw_buffer((char *)pwbuf, machine_pwd, plen, False);
- nt_owf_genW(&upw, ntpw);
+ mdfour( ntpw, (unsigned char *)upw.buffer, plen);
}
/* Set password on machine account */
@@ -381,13 +559,13 @@ Join a domain. Old server manager method.
static int join_domain(char *domain, char *remote)
{
- pstring remote_machine;
+ pstring pdc_name;
fstring trust_passwd;
unsigned char orig_trust_passwd_hash[16];
DOM_SID domain_sid;
BOOL ret;
- pstrcpy(remote_machine, remote ? remote : "");
+ pstrcpy(pdc_name, remote ? remote : "");
fstrcpy(trust_passwd, global_myname);
strlower(trust_passwd);
E_md4hash( (uchar *)trust_passwd, orig_trust_passwd_hash);
@@ -415,23 +593,31 @@ machine %s in domain %s.\n", global_myname, domain);
* If we are given a remote machine assume this is the PDC.
*/
- if(remote == NULL) {
- pstrcpy(remote_machine, lp_passwordserver());
- }
+ if(remote == NULL || !strcmp(remote, "*")) {
+ struct in_addr *ip_list;
+ int addr_count;
+ if (!get_dc_list(True /* PDC only*/, domain, &ip_list, &addr_count)) {
+ fprintf(stderr, "Unable to find the domain controller for domain %s.\n", domain);
+ return 1;
+ }
+ if ((addr_count < 1) || (is_zero_ip(ip_list[0]))) {
+ fprintf(stderr, "Incorrect entries returned when finding the domain controller for domain %s.\n", domain);
+ return 1;
+ }
- if(!*remote_machine) {
- fprintf(stderr, "No password server list given in smb.conf - \
-unable to join domain.\n");
- return 1;
+ if (!lookup_dc_name(global_myname, domain, &ip_list[0], pdc_name)) {
+ fprintf(stderr, "Unable to lookup the name for the domain controller for domain %s.\n", domain);
+ return 1;
+ }
}
- if (!fetch_domain_sid( domain, remote_machine, &domain_sid) ||
+ if (!fetch_domain_sid( domain, pdc_name, &domain_sid) ||
!secrets_store_domain_sid(domain, &domain_sid)) {
fprintf(stderr,"Failed to get domain SID. Unable to join domain %s.\n",domain);
return 1;
}
- ret = change_trust_account_password( domain, remote_machine);
+ ret = change_trust_account_password( domain, pdc_name);
if(!ret) {
trust_password_delete(domain);
@@ -444,11 +630,6 @@ unable to join domain.\n");
return 0;
}
-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.
@@ -537,7 +718,7 @@ static BOOL password_change(const char *remote_machine, char *user_name,
return False;
}
ret = remote_password_change(remote_machine, user_name,
- old_passwd, new_passwd, err_str, sizeof(err_str));
+ old_passwd, new_passwd, err_str, sizeof(err_str));
if(*err_str)
fprintf(stderr, err_str);
return ret;
@@ -570,107 +751,15 @@ static BOOL store_ldap_admin_pw (char* pw)
}
#endif
+
/*************************************************************
Handle password changing for root.
*************************************************************/
-static int process_root(int argc, char *argv[])
+static int process_root(void)
{
struct passwd *pwd;
- int result = 0, ch;
- BOOL joining_domain = False, got_pass = False, got_username = False;
- int local_flags = 0;
- BOOL stdin_passwd_get = False;
- fstring user_name, user_password;
-#ifdef WITH_LDAP_SAM
- fstring ldap_secret;
-#endif
- char *new_domain = NULL;
- char *new_passwd = NULL;
- char *old_passwd = NULL;
- char *remote_machine = NULL;
-
- user_name[0] = '\0';
-
- while ((ch = getopt(argc, argv, "axdehmnj:r:sw:R:D:U:L")) != EOF) {
- switch(ch) {
- case 'L':
- local_mode = True;
- break;
- case 'a':
- local_flags |= LOCAL_ADD_USER;
- break;
- case 'x':
- local_flags |= LOCAL_DELETE_USER;
- new_passwd = strdup_x("XXXXXX");
- break;
- case 'd':
- local_flags |= LOCAL_DISABLE_USER;
- new_passwd = strdup_x("XXXXXX");
- break;
- case 'e':
- local_flags |= LOCAL_ENABLE_USER;
- break;
- case 'm':
- local_flags |= LOCAL_TRUST_ACCOUNT;
- break;
- case 'n':
- local_flags |= LOCAL_SET_NO_PASSWORD;
- new_passwd = strdup_x("NO PASSWORD");
- break;
- case 'j':
- new_domain = optarg;
- strupper(new_domain);
- joining_domain = True;
- 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':
-#ifdef WITH_LDAP_SAM
- local_flags |= LOCAL_SET_LDAP_ADMIN_PW;
- fstrcpy(ldap_secret, optarg);
- break;
-#else
- printf("-w not available unless configured --with-ldap\n");
- goto done;
-#endif
- 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(optarg, '%') + 1, 'X',
- strlen(user_password));
- }
-
- break;
- }
- case 'h':
- default:
- usage();
- }
- }
-
- argc -= optind;
- argv += optind;
+ int result = 0;
#ifdef WITH_LDAP_SAM
if (local_flags & LOCAL_SET_LDAP_ADMIN_PW)
@@ -704,9 +793,6 @@ static int process_root(int argc, char *argv[])
if (joining_domain) {
- if (argc != 0)
- usage();
-
/* Are we joining by specifing an admin username and
password? */
@@ -735,26 +821,6 @@ static int process_root(int argc, char *argv[])
* Deal with root - can add a user, but only locally.
*/
- switch(argc) {
- case 0:
- if (!got_username)
- fstrcpy(user_name, "");
- break;
- case 1:
- if (got_username)
- usage();
- fstrcpy(user_name, argv[0]);
- break;
- case 2:
- if (got_username || got_pass)
- usage();
- fstrcpy(user_name, argv[0]);
- new_passwd = strdup_x(argv[1]);
- break;
- default:
- usage();
- }
-
if (!user_name[0] && (pwd = sys_getpwuid(0))) {
fstrcpy(user_name, pwd->pw_name);
}
@@ -840,7 +906,9 @@ static int process_root(int argc, char *argv[])
goto done;
}
- if(!(local_flags & (LOCAL_ADD_USER|LOCAL_DISABLE_USER|LOCAL_ENABLE_USER|LOCAL_DELETE_USER|LOCAL_SET_NO_PASSWORD))) {
+ 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))) {
SAM_ACCOUNT *sampass = NULL;
uint16 acct_ctrl;
@@ -871,55 +939,18 @@ static int process_root(int argc, char *argv[])
/*************************************************************
-handle password changing for non-root
+ Handle password changing for non-root.
*************************************************************/
-static int process_nonroot(int argc, char *argv[])
+
+static int process_nonroot(void)
{
struct passwd *pwd = NULL;
- int result = 0, 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;
+ int result = 0;
- if(argc > 1) {
- usage();
- }
-
- if (argc == 1) {
- new_passwd = argv[0];
- }
-
- if (!user_name) {
+ if (!user_name[0]) {
pwd = sys_getpwuid(getuid());
if (pwd) {
- user_name = strdup_x(pwd->pw_name);
+ fstrcpy(user_name,pwd->pw_name);
} else {
fprintf(stderr,"you don't exist - go away\n");
exit(1);
@@ -973,7 +1004,7 @@ static int process_nonroot(int argc, char *argv[])
**********************************************************/
int main(int argc, char **argv)
{
- static pstring servicesf = CONFIGFILE;
+ BOOL amroot = getuid() == 0;
AllowDebugChange = False;
@@ -981,12 +1012,13 @@ int main(int argc, char **argv)
set_auth_parameters(argc, argv);
#endif /* HAVE_SET_AUTH_PARAMETERS */
+ charset_initialise();
+
+ process_options(argc, argv, amroot);
TimeInit();
setup_logging("smbpasswd", True);
- charset_initialise();
-
if(!initialize_password_db(False)) {
fprintf(stderr, "Can't setup password database vectors.\n");
exit(1);
@@ -1019,17 +1051,10 @@ int main(int argc, char **argv)
exit(1);
}
- /* pre-check for local mode option as first option. We can't
- do this via normal getopt as getopt can't be called
- twice. */
- if (argc > 1 && strcmp(argv[1], "-L") == 0) {
- local_mode = True;
- }
-
- if (local_mode || getuid() == 0) {
+ if (local_mode || amroot) {
secrets_init();
- return process_root(argc, argv);
+ return process_root();
}
- return process_nonroot(argc, argv);
+ return process_nonroot();
}
generated by cgit (git 2.34.1) at 2025-09-12 08:57:19 +0000