diff options
Diffstat (limited to 'source4/nsswitch/wbinfo.c')
| -rw-r--r-- | source4/nsswitch/wbinfo.c | 891 |
1 files changed, 891 insertions, 0 deletions
diff --git a/source4/nsswitch/wbinfo.c b/source4/nsswitch/wbinfo.c new file mode 100644 index 0000000000..68dc178bcd --- /dev/null +++ b/source4/nsswitch/wbinfo.c @@ -0,0 +1,891 @@ +/* + Unix SMB/CIFS implementation. + + Winbind status program. + + Copyright (C) Tim Potter 2000-2002 + Copyright (C) Andrew Bartlett 2002 + + 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" +#include "winbindd.h" +#include "debug.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_WINBIND + +extern int winbindd_fd; + +static char winbind_separator(void) +{ + struct winbindd_response response; + static BOOL got_sep; + static char sep; + + if (got_sep) + return sep; + + ZERO_STRUCT(response); + + /* Send off request */ + + if (winbindd_request(WINBINDD_INFO, NULL, &response) != + NSS_STATUS_SUCCESS) { + d_printf("could not obtain winbind separator!\n"); + /* HACK: (this module should not call lp_ funtions) */ + return *lp_winbind_separator(); + } + + sep = response.data.info.winbind_separator; + got_sep = True; + + if (!sep) { + d_printf("winbind separator was NULL!\n"); + /* HACK: (this module should not call lp_ funtions) */ + sep = *lp_winbind_separator(); + } + + return sep; +} + +static const char *get_winbind_domain(void) +{ + struct winbindd_response response; + static fstring winbind_domain; + + ZERO_STRUCT(response); + + /* Send off request */ + + if (winbindd_request(WINBINDD_DOMAIN_NAME, NULL, &response) != + NSS_STATUS_SUCCESS) { + d_printf("could not obtain winbind domain name!\n"); + + /* HACK: (this module should not call lp_ funtions) */ + return lp_workgroup(); + } + + fstrcpy(winbind_domain, response.data.domain_name); + + return winbind_domain; + +} + +/* Copy of parse_domain_user from winbindd_util.c. Parse a string of the + form DOMAIN/user into a domain and a user */ + +static BOOL parse_wbinfo_domain_user(const char *domuser, fstring domain, + fstring user) +{ + + char *p = strchr(domuser,winbind_separator()); + + if (!p) { + fstrcpy(user, domuser); + fstrcpy(domain, get_winbind_domain()); + return True; + } + + fstrcpy(user, p+1); + fstrcpy(domain, domuser); + domain[PTR_DIFF(p, domuser)] = 0; + strupper(domain); + + return True; +} + +/* List groups a user is a member of */ + +static BOOL wbinfo_get_usergroups(char *user) +{ + struct winbindd_request request; + struct winbindd_response response; + NSS_STATUS result; + int i; + + ZERO_STRUCT(response); + + /* Send request */ + + fstrcpy(request.data.username, user); + + result = winbindd_request(WINBINDD_GETGROUPS, &request, &response); + + if (result != NSS_STATUS_SUCCESS) + return False; + + for (i = 0; i < response.data.num_entries; i++) + d_printf("%d\n", (int)((gid_t *)response.extra_data)[i]); + + SAFE_FREE(response.extra_data); + + return True; +} + +/* Convert NetBIOS name to IP */ + +static BOOL wbinfo_wins_byname(char *name) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + fstrcpy(request.data.winsreq, name); + + if (winbindd_request(WINBINDD_WINS_BYNAME, &request, &response) != + NSS_STATUS_SUCCESS) { + return False; + } + + /* Display response */ + + printf("%s\n", response.data.winsresp); + + return True; +} + +/* Convert IP to NetBIOS name */ + +static BOOL wbinfo_wins_byip(char *ip) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + fstrcpy(request.data.winsreq, ip); + + if (winbindd_request(WINBINDD_WINS_BYIP, &request, &response) != + NSS_STATUS_SUCCESS) { + return False; + } + + /* Display response */ + + printf("%s\n", response.data.winsresp); + + return True; +} + +/* List trusted domains */ + +static BOOL wbinfo_list_domains(void) +{ + struct winbindd_response response; + fstring name; + + ZERO_STRUCT(response); + + /* Send request */ + + if (winbindd_request(WINBINDD_LIST_TRUSTDOM, NULL, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + if (response.extra_data) { + const char *extra_data = (char *)response.extra_data; + + while(next_token(&extra_data, name, ",", sizeof(fstring))) + d_printf("%s\n", name); + + SAFE_FREE(response.extra_data); + } + + return True; +} + + +/* show sequence numbers */ +static BOOL wbinfo_show_sequence(void) +{ + struct winbindd_response response; + + ZERO_STRUCT(response); + + /* Send request */ + + if (winbindd_request(WINBINDD_SHOW_SEQUENCE, NULL, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + if (response.extra_data) { + char *extra_data = (char *)response.extra_data; + d_printf("%s", extra_data); + SAFE_FREE(response.extra_data); + } + + return True; +} + +/* Check trust account password */ + +static BOOL wbinfo_check_secret(void) +{ + struct winbindd_response response; + NSS_STATUS result; + + ZERO_STRUCT(response); + + result = winbindd_request(WINBINDD_CHECK_MACHACC, NULL, &response); + + d_printf("checking the trust secret via RPC calls %s\n", + (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed"); + + if (result != NSS_STATUS_SUCCESS) + d_printf("error code was %s (0x%x)\n", + response.data.auth.nt_status_string, + response.data.auth.nt_status); + + return result == NSS_STATUS_SUCCESS; +} + +/* Convert uid to sid */ + +static BOOL wbinfo_uid_to_sid(uid_t uid) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + request.data.uid = uid; + + if (winbindd_request(WINBINDD_UID_TO_SID, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%s\n", response.data.sid.sid); + + return True; +} + +/* Convert gid to sid */ + +static BOOL wbinfo_gid_to_sid(gid_t gid) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + request.data.gid = gid; + + if (winbindd_request(WINBINDD_GID_TO_SID, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%s\n", response.data.sid.sid); + + return True; +} + +/* Convert sid to uid */ + +static BOOL wbinfo_sid_to_uid(char *sid) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + fstrcpy(request.data.sid, sid); + + if (winbindd_request(WINBINDD_SID_TO_UID, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%d\n", (int)response.data.uid); + + return True; +} + +static BOOL wbinfo_sid_to_gid(char *sid) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send request */ + + fstrcpy(request.data.sid, sid); + + if (winbindd_request(WINBINDD_SID_TO_GID, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%d\n", (int)response.data.gid); + + return True; +} + +/* Convert sid to string */ + +static BOOL wbinfo_lookupsid(char *sid) +{ + struct winbindd_request request; + struct winbindd_response response; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + /* Send off request */ + + fstrcpy(request.data.sid, sid); + + if (winbindd_request(WINBINDD_LOOKUPSID, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%s%c%s %d\n", response.data.name.dom_name, + winbind_separator(), response.data.name.name, + response.data.name.type); + + return True; +} + +/* Convert string to sid */ + +static BOOL wbinfo_lookupname(char *name) +{ + struct winbindd_request request; + struct winbindd_response response; + + /* Send off request */ + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + parse_wbinfo_domain_user(name, request.data.name.dom_name, + request.data.name.name); + + if (winbindd_request(WINBINDD_LOOKUPNAME, &request, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Display response */ + + d_printf("%s %d\n", response.data.sid.sid, response.data.sid.type); + + return True; +} + +/* Authenticate a user with a plaintext password */ + +static BOOL wbinfo_auth(char *username) +{ + struct winbindd_request request; + struct winbindd_response response; + NSS_STATUS result; + char *p; + + /* Send off request */ + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + p = strchr(username, '%'); + + if (p) { + *p = 0; + fstrcpy(request.data.auth.user, username); + fstrcpy(request.data.auth.pass, p + 1); + *p = '%'; + } else + fstrcpy(request.data.auth.user, username); + + result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response); + + /* Display response */ + + d_printf("plaintext password authentication %s\n", + (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed"); + + if (response.data.auth.nt_status) + d_printf("error code was %s (0x%x)\n", + response.data.auth.nt_status_string, + response.data.auth.nt_status); + + return result == NSS_STATUS_SUCCESS; +} + +/* Authenticate a user with a challenge/response */ + +static BOOL wbinfo_auth_crap(char *username) +{ + struct winbindd_request request; + struct winbindd_response response; + NSS_STATUS result; + fstring name_user; + fstring name_domain; + fstring pass; + char *p; + + /* Send off request */ + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + p = strchr(username, '%'); + + if (p) { + *p = 0; + fstrcpy(pass, p + 1); + } + + parse_wbinfo_domain_user(username, name_domain, name_user); + + fstrcpy(request.data.auth_crap.user, name_user); + + fstrcpy(request.data.auth_crap.domain, name_domain); + + generate_random_buffer(request.data.auth_crap.chal, 8, False); + + SMBencrypt(pass, request.data.auth_crap.chal, + (uchar *)request.data.auth_crap.lm_resp); + SMBNTencrypt(pass, request.data.auth_crap.chal, + (uchar *)request.data.auth_crap.nt_resp); + + request.data.auth_crap.lm_resp_len = 24; + request.data.auth_crap.nt_resp_len = 24; + + result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response); + + /* Display response */ + + d_printf("challenge/response password authentication %s\n", + (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed"); + + if (response.data.auth.nt_status) + d_printf("error code was %s (0x%x)\n", + response.data.auth.nt_status_string, + response.data.auth.nt_status); + + return result == NSS_STATUS_SUCCESS; +} + +/* Print domain users */ + +static BOOL print_domain_users(void) +{ + struct winbindd_response response; + const char *extra_data; + fstring name; + + /* Send request to winbind daemon */ + + ZERO_STRUCT(response); + + if (winbindd_request(WINBINDD_LIST_USERS, NULL, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Look through extra data */ + + if (!response.extra_data) + return False; + + extra_data = (const char *)response.extra_data; + + while(next_token(&extra_data, name, ",", sizeof(fstring))) + d_printf("%s\n", name); + + SAFE_FREE(response.extra_data); + + return True; +} + +/* Print domain groups */ + +static BOOL print_domain_groups(void) +{ + struct winbindd_response response; + const char *extra_data; + fstring name; + + ZERO_STRUCT(response); + + if (winbindd_request(WINBINDD_LIST_GROUPS, NULL, &response) != + NSS_STATUS_SUCCESS) + return False; + + /* Look through extra data */ + + if (!response.extra_data) + return False; + + extra_data = (const char *)response.extra_data; + + while(next_token(&extra_data, name, ",", sizeof(fstring))) + d_printf("%s\n", name); + + SAFE_FREE(response.extra_data); + + return True; +} + +/* Set the authorised user for winbindd access in secrets.tdb */ + +static BOOL wbinfo_set_auth_user(char *username) +{ + char *password; + fstring user, domain; + + /* Separate into user and password */ + + parse_wbinfo_domain_user(username, domain, user); + + password = strchr(user, '%'); + + if (password) { + *password = 0; + password++; + } else + password = ""; + + /* Store or remove DOMAIN\username%password in secrets.tdb */ + + secrets_init(); + + if (user[0]) { + + if (!secrets_store(SECRETS_AUTH_USER, user, + strlen(user) + 1)) { + d_fprintf(stderr, "error storing username\n"); + return False; + } + + /* We always have a domain name added by the + parse_wbinfo_domain_user() function. */ + + if (!secrets_store(SECRETS_AUTH_DOMAIN, domain, + strlen(domain) + 1)) { + d_fprintf(stderr, "error storing domain name\n"); + return False; + } + + } else { + secrets_delete(SECRETS_AUTH_USER); + secrets_delete(SECRETS_AUTH_DOMAIN); + } + + if (password[0]) { + + if (!secrets_store(SECRETS_AUTH_PASSWORD, password, + strlen(password) + 1)) { + d_fprintf(stderr, "error storing password\n"); + return False; + } + + } else + secrets_delete(SECRETS_AUTH_PASSWORD); + + return True; +} + +static void wbinfo_get_auth_user(void) +{ + char *user, *domain, *password; + + /* Lift data from secrets file */ + + secrets_init(); + + user = secrets_fetch(SECRETS_AUTH_USER, NULL); + domain = secrets_fetch(SECRETS_AUTH_DOMAIN, NULL); + password = secrets_fetch(SECRETS_AUTH_PASSWORD, NULL); + + if (!user && !domain && !password) { + d_printf("No authorised user configured\n"); + return; + } + + /* Pretty print authorised user info */ + + d_printf("%s%s%s%s%s\n", domain ? domain : "", domain ? "\\" : "", + user, password ? "%" : "", password ? password : ""); + + SAFE_FREE(user); + SAFE_FREE(domain); + SAFE_FREE(password); +} + +static BOOL wbinfo_ping(void) +{ + NSS_STATUS result; + + result = winbindd_request(WINBINDD_PING, NULL, NULL); + + /* Display response */ + + d_printf("'ping' to winbindd %s on fd %d\n", + (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed", winbindd_fd); + + return result == NSS_STATUS_SUCCESS; +} + +/* Main program */ + +enum { + OPT_SET_AUTH_USER = 1000, + OPT_GET_AUTH_USER, + OPT_SEQUENCE +}; + +int main(int argc, char **argv) +{ + int opt; + + poptContext pc; + static char *string_arg; + static int int_arg; + BOOL got_command = False; + int result = 1; + + struct poptOption long_options[] = { + POPT_AUTOHELP + + /* longName, shortName, argInfo, argPtr, value, descrip, + argDesc */ + + { "domain-users", 'u', POPT_ARG_NONE, 0, 'u', "Lists all domain users"}, + { "domain-groups", 'g', POPT_ARG_NONE, 0, 'g', "Lists all domain groups" }, + { "WINS-by-name", 'N', POPT_ARG_STRING, &string_arg, 'N', "Converts NetBIOS name to IP (WINS)", "NETBIOS-NAME" }, + { "WINS-by-ip", 'I', POPT_ARG_STRING, &string_arg, 'I', "Converts IP address to NetBIOS name (WINS)", "IP" }, + { "name-to-sid", 'n', POPT_ARG_STRING, &string_arg, 'n', "Converts name to sid", "NAME" }, + { "sid-to-name", 's', POPT_ARG_STRING, &string_arg, 's', "Converts sid to name", "SID" }, + { "uid-to-sid", 'U', POPT_ARG_INT, &int_arg, 'U', "Converts uid to sid" , "UID" }, + { "gid-to-sid", 'G', POPT_ARG_INT, &int_arg, 'G', "Converts gid to sid", "GID" }, + { "sid-to-uid", 'S', POPT_ARG_STRING, &string_arg, 'S', "Converts sid to uid", "SID" }, + { "sid-to-gid", 'Y', POPT_ARG_STRING, &string_arg, 'Y', "Converts sid to gid", "SID" }, + { "check-secret", 't', POPT_ARG_NONE, 0, 't', "Check shared secret" }, + { "trusted-domains", 'm', POPT_ARG_NONE, 0, 'm', "List trusted domains" }, + { "sequence", 0, POPT_ARG_NONE, 0, OPT_SEQUENCE, "show sequence numbers of all domains" }, + { "user-groups", 'r', POPT_ARG_STRING, &string_arg, 'r', "Get user groups", "USER" }, + { "authenticate", 'a', POPT_ARG_STRING, &string_arg, 'a', "authenticate user", "user%password" }, + { "set-auth-user", 'A', POPT_ARG_STRING, &string_arg, OPT_SET_AUTH_USER, "Store user and password used by winbindd (root only)", "user%password" }, + { "get-auth-user", 0, POPT_ARG_NONE, NULL, OPT_GET_AUTH_USER, "Retrieve user and password used by winbindd (root only)", NULL }, + { "ping", 'p', POPT_ARG_NONE, 0, 'p', "'ping' winbindd to see if it is alive" }, + { NULL, 0, POPT_ARG_INCLUDE_TABLE, popt_common_version}, + { 0, 0, 0, 0 } + }; + + /* Samba client initialisation */ + + if (!lp_load(dyn_CONFIGFILE, True, False, False)) { + d_fprintf(stderr, "wbinfo: error opening config file %s. Error was %s\n", + dyn_CONFIGFILE, strerror(errno)); + exit(1); + } + + if (!init_names()) + return 1; + + load_interfaces(); + + /* Parse options */ + + pc = poptGetContext("wbinfo", argc, (const char **)argv, long_options, 0); + + /* Parse command line options */ + + if (argc == 1) { + poptPrintHelp(pc, stderr, 0); + return 1; + } + + while((opt = poptGetNextOpt(pc)) != -1) { + if (got_command) { + d_fprintf(stderr, "No more than one command may be specified at once.\n"); + exit(1); + } + got_command = True; + } + + poptFreeContext(pc); + + pc = poptGetContext(NULL, argc, (const char **)argv, long_options, + POPT_CONTEXT_KEEP_FIRST); + + while((opt = poptGetNextOpt(pc)) != -1) { + switch (opt) { + case 'u': + if (!print_domain_users()) { + d_printf("Error looking up domain users\n"); + goto done; + } + break; + case 'g': + if (!print_domain_groups()) { + d_printf("Error looking up domain groups\n"); + goto done; + } + break; + case 's': + if (!wbinfo_lookupsid(string_arg)) { + d_printf("Could not lookup sid %s\n", string_arg); + goto done; + } + break; + case 'n': + if (!wbinfo_lookupname(string_arg)) { + d_printf("Could not lookup name %s\n", string_arg); + goto done; + } + break; + case 'N': + if (!wbinfo_wins_byname(string_arg)) { + d_printf("Could not lookup WINS by name %s\n", string_arg); + goto done; + } + break; + case 'I': + if (!wbinfo_wins_byip(string_arg)) { + d_printf("Could not lookup WINS by IP %s\n", string_arg); + goto done; + } + break; + case 'U': + if (!wbinfo_uid_to_sid(int_arg)) { + d_printf("Could not convert uid %d to sid\n", int_arg); + goto done; + } + break; + case 'G': + if (!wbinfo_gid_to_sid(int_arg)) { + d_printf("Could not convert gid %d to sid\n", + int_arg); + goto done; + } + break; + case 'S': + if (!wbinfo_sid_to_uid(string_arg)) { + d_printf("Could not convert sid %s to uid\n", + string_arg); + goto done; + } + break; + case 'Y': + if (!wbinfo_sid_to_gid(string_arg)) { + d_printf("Could not convert sid %s to gid\n", + string_arg); + goto done; + } + break; + case 't': + if (!wbinfo_check_secret()) { + d_printf("Could not check secret\n"); + goto done; + } + break; + case 'm': + if (!wbinfo_list_domains()) { + d_printf("Could not list trusted domains\n"); + goto done; + } + break; + case OPT_SEQUENCE: + if (!wbinfo_show_sequence()) { + d_printf("Could not show sequence numbers\n"); + goto done; + } + break; + case 'r': + if (!wbinfo_get_usergroups(string_arg)) { + d_printf("Could not get groups for user %s\n", + string_arg); + goto done; + } + break; + case 'a': { + BOOL got_error = False; + + if (!wbinfo_auth(string_arg)) { + d_printf("Could not authenticate user %s with " + "plaintext password\n", string_arg); + got_error = True; + } + + if (!wbinfo_auth_crap(string_arg)) { + d_printf("Could not authenticate user %s with " + "challenge/response\n", string_arg); + got_error = True; + } + + if (got_error) + goto done; + break; + } + case 'p': { + if (!wbinfo_ping()) { + d_printf("could not ping winbindd!\n"); + goto done; + } + break; + } + case OPT_SET_AUTH_USER: + wbinfo_set_auth_user(string_arg); + break; + case OPT_GET_AUTH_USER: + wbinfo_get_auth_user(); + break; + default: + d_fprintf(stderr, "Invalid option\n"); + poptPrintHelp(pc, stderr, 0); + goto done; + } + } + + result = 0; + + /* Exit code */ + + done: + poptFreeContext(pc); + return result; +} |