diff options
Diffstat (limited to 'source3/passdb')
| -rw-r--r-- | source3/passdb/passdb.c | 4 | ||||
| -rw-r--r-- | source3/passdb/pdb_ldap.c | 1996 | ||||
| -rw-r--r-- | source3/passdb/pdb_plugin.c | 78 | ||||
| -rw-r--r-- | source3/passdb/pdb_smbpasswd.c | 25 | ||||
| -rw-r--r-- | source3/passdb/pdb_tdb.c | 39 | ||||
| -rw-r--r-- | source3/passdb/pdb_unix.c | 131 | ||||
| -rw-r--r-- | source3/passdb/pdb_xml.c | 2 |
7 files changed, 1720 insertions, 555 deletions
diff --git a/source3/passdb/passdb.c b/source3/passdb/passdb.c index b868d27065..9f91fb57f3 100644 --- a/source3/passdb/passdb.c +++ b/source3/passdb/passdb.c @@ -200,10 +200,10 @@ NTSTATUS pdb_fill_sam_pw(SAM_ACCOUNT *sam_account, const struct passwd *pwd) /* Ensure this *must* be set right */ if (strcmp(pwd->pw_name, guest_account) == 0) { - if (!pdb_set_user_sid_from_rid(sam_account, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) { + if (!pdb_set_user_sid_from_rid(sam_account, DOMAIN_USER_RID_GUEST, PDB_SET)) { return NT_STATUS_UNSUCCESSFUL; } - if (!pdb_set_group_sid_from_rid(sam_account, DOMAIN_GROUP_RID_GUESTS, PDB_DEFAULT)) { + if (!pdb_set_group_sid_from_rid(sam_account, DOMAIN_GROUP_RID_GUESTS, PDB_SET)) { return NT_STATUS_UNSUCCESSFUL; } } else { diff --git a/source3/passdb/pdb_ldap.c b/source3/passdb/pdb_ldap.c index 0ebbd446ec..a936fb298c 100644 --- a/source3/passdb/pdb_ldap.c +++ b/source3/passdb/pdb_ldap.c @@ -6,7 +6,6 @@ Copyright (C) Shahms King 2001 Copyright (C) Andrew Bartlett 2002 Copyright (C) Stefan (metze) Metzmacher 2002 - Copyright (C) Jim McDonough 2003 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 @@ -52,13 +51,111 @@ #include <lber.h> #include <ldap.h> -#include "smb_ldap.h" +#ifndef LDAP_OPT_SUCCESS +#define LDAP_OPT_SUCCESS 0 +#endif #ifndef SAM_ACCOUNT #define SAM_ACCOUNT struct sam_passwd #endif -static uint32 ldapsam_get_next_available_nua_rid(struct smb_ldap_privates *ldap_state); +struct ldapsam_privates { + /* Former statics */ + LDAP *ldap_struct; + LDAPMessage *result; + LDAPMessage *entry; + int index; + + time_t last_ping; + /* retrive-once info */ + const char *uri; + const char *domain_name; + DOM_SID domain_sid; + + /* configuration items */ + BOOL use_ntsid; + + BOOL permit_non_unix_accounts; + + uint32 low_allocated_user_rid; + uint32 high_allocated_user_rid; + + uint32 low_allocated_group_rid; + uint32 high_allocated_group_rid; + + char *bind_dn; + char *bind_secret; + + unsigned int num_failures; +}; + +#define LDAPSAM_DONT_PING_TIME 10 /* ping only all 10 seconds */ + +static struct ldapsam_privates *static_ldap_state; + +/******************************************************************* + find the ldap password +******************************************************************/ +static BOOL fetch_ldapsam_pw(char **dn, char** pw) +{ + char *key = NULL; + size_t size; + + *dn = smb_xstrdup(lp_ldap_admin_dn()); + + if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) { + SAFE_FREE(*dn); + DEBUG(0, ("fetch_ldapsam_pw: asprintf failed!\n")); + } + + *pw=secrets_fetch(key, &size); + SAFE_FREE(key); + + if (!size) { + /* Upgrade 2.2 style entry */ + char *p; + char* old_style_key = strdup(*dn); + char *data; + fstring old_style_pw; + + if (!old_style_key) { + DEBUG(0, ("fetch_ldapsam_pw: strdup failed!\n")); + return False; + } + + for (p=old_style_key; *p; p++) + if (*p == ',') *p = '/'; + + data=secrets_fetch(old_style_key, &size); + if (!size && size < sizeof(old_style_pw)) { + DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n")); + SAFE_FREE(old_style_key); + SAFE_FREE(*dn); + return False; + } + + strncpy(old_style_pw, data, size); + old_style_pw[size] = 0; + + SAFE_FREE(data); + + if (!secrets_store_ldap_pw(*dn, old_style_pw)) { + DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n")); + SAFE_FREE(old_style_key); + SAFE_FREE(*dn); + return False; + } + if (!secrets_delete(old_style_key)) { + DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n")); + } + + SAFE_FREE(old_style_key); + + *pw = smb_xstrdup(old_style_pw); + } + + return True; +} static const char *attr[] = {"uid", "pwdLastSet", "logonTime", "logoffTime", "kickoffTime", "cn", @@ -66,32 +163,550 @@ static const char *attr[] = {"uid", "pwdLastSet", "logonTime", "displayName", "homeDrive", "smbHome", "scriptPath", "profilePath", "description", - "userWorkstations", "rid", + "userWorkstations", "rid", "ntSid", "primaryGroupID", "lmPassword", "ntPassword", "acctFlags", "domain", "objectClass", "uidNumber", "gidNumber", "homeDirectory", NULL }; +static const char *domain_info_attrs[] = {"domain", "nextUserRid", + "nextGroupRid", "ntSid", NULL }; + +/******************************************************************* + open a connection to the ldap server. +******************************************************************/ +static int ldapsam_open_connection (struct ldapsam_privates *ldap_state, LDAP ** ldap_struct) +{ + int rc = LDAP_SUCCESS; + int version; + BOOL ldap_v3 = False; + +#ifdef HAVE_LDAP_INITIALIZE + DEBUG(10, ("ldapsam_open_connection: %s\n", ldap_state->uri)); + + if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) { + DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc))); + return rc; + } + +#else + + /* Parse the string manually */ + + { + int port = 0; + fstring protocol; + fstring host; + const char *p = ldap_state->uri; + SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254); + + /* skip leading "URL:" (if any) */ + if ( strncasecmp( p, "URL:", 4 ) == 0 ) { + p += 4; + } + + sscanf(p, "%10[^:]://%254s[^:]:%d", protocol, host, &port); + + if (port == 0) { + if (strequal(protocol, "ldap")) { + port = LDAP_PORT; + } else if (strequal(protocol, "ldaps")) { + port = LDAPS_PORT; + } else { + DEBUG(0, ("unrecognised protocol (%s)!\n", protocol)); + } + } + + if ((*ldap_struct = ldap_init(host, port)) == NULL) { + DEBUG(0, ("ldap_init failed !\n")); + return LDAP_OPERATIONS_ERROR; + } + + if (strequal(protocol, "ldaps")) { +#ifdef LDAP_OPT_X_TLS + int tls = LDAP_OPT_X_TLS_HARD; + if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS) + { + DEBUG(0, ("Failed to setup a TLS session\n")); + } + + DEBUG(3,("LDAPS option set...!\n")); +#else + DEBUG(0,("ldapsam_open_connection: Secure connection not supported by LDAP client libraries!\n")); + return LDAP_OPERATIONS_ERROR; +#endif + } + } +#endif + + if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) + { + if (version != LDAP_VERSION3) + { + version = LDAP_VERSION3; + if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) { + ldap_v3 = True; + } + } else { + ldap_v3 = True; + } + } + + if (lp_ldap_ssl() == LDAP_SSL_START_TLS) { +#ifdef LDAP_OPT_X_TLS + if (ldap_v3) { + if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS) + { + DEBUG(0,("Failed to issue the StartTLS instruction: %s\n", + ldap_err2string(rc))); + return rc; + } + DEBUG (3, ("StartTLS issued: using a TLS connection\n")); + } else { + + DEBUG(0, ("Need LDAPv3 for Start TLS\n")); + return LDAP_OPERATIONS_ERROR; + } +#else + DEBUG(0,("ldapsam_open_connection: StartTLS not supported by LDAP client libraries!\n")); + return LDAP_OPERATIONS_ERROR; +#endif + } + + DEBUG(2, ("ldapsam_open_connection: connection opened\n")); + return rc; +} + + +/******************************************************************* + a rebind function for authenticated referrals + This version takes a void* that we can shove useful stuff in :-) +******************************************************************/ +#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) +#else +static int rebindproc_with_state (LDAP * ld, char **whop, char **credp, + int *methodp, int freeit, void *arg) +{ + struct ldapsam_privates *ldap_state = arg; + + /** @TODO Should we be doing something to check what servers we rebind to? + Could we get a referral to a machine that we don't want to give our + username and password to? */ + + if (freeit) { + SAFE_FREE(*whop); + memset(*credp, '\0', strlen(*credp)); + SAFE_FREE(*credp); + } else { + DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n", + ldap_state->bind_dn)); + + *whop = strdup(ldap_state->bind_dn); + if (!*whop) { + return LDAP_NO_MEMORY; + } + *credp = strdup(ldap_state->bind_secret); + if (!*credp) { + SAFE_FREE(*whop); + return LDAP_NO_MEMORY; + } + *methodp = LDAP_AUTH_SIMPLE; + } + return 0; +} +#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ + +/******************************************************************* + a rebind function for authenticated referrals + This version takes a void* that we can shove useful stuff in :-) + and actually does the connection. +******************************************************************/ +#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) +static int rebindproc_connect_with_state (LDAP *ldap_struct, + LDAP_CONST char *url, + ber_tag_t request, + ber_int_t msgid, void *arg) +{ + struct ldapsam_privates *ldap_state = arg; + int rc; + DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n", + ldap_state->bind_dn)); + + /** @TODO Should we be doing something to check what servers we rebind to? + Could we get a referral to a machine that we don't want to give our + username and password to? */ + + rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret); + + return rc; +} +#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ + +/******************************************************************* + Add a rebind function for authenticated referrals +******************************************************************/ +#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) +#else +# if LDAP_SET_REBIND_PROC_ARGS == 2 +static int rebindproc (LDAP *ldap_struct, char **whop, char **credp, + int *method, int freeit ) +{ + return rebindproc_with_state(ldap_struct, whop, credp, + method, freeit, static_ldap_state); + +} +# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/ +#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ + +/******************************************************************* + a rebind function for authenticated referrals + this also does the connection, but no void*. +******************************************************************/ +#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) +# if LDAP_SET_REBIND_PROC_ARGS == 2 +static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request, + ber_int_t msgid) +{ + return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid, + static_ldap_state); +} +# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/ +#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ + +/******************************************************************* + connect to the ldap server under system privilege. +******************************************************************/ +static int ldapsam_connect_system(struct ldapsam_privates *ldap_state, LDAP * ldap_struct) +{ + int rc; + char *ldap_dn; + char *ldap_secret; + + /* The rebind proc needs this *HACK*. We are not multithreaded, so + this will work, but it's not nice. */ + static_ldap_state = ldap_state; + + /* get the password */ + if (!fetch_ldapsam_pw(&ldap_dn, &ldap_secret)) + { + DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n")); + return LDAP_INVALID_CREDENTIALS; + } + + ldap_state->bind_dn = ldap_dn; + ldap_state->bind_secret = ldap_secret; + + /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite + (OpenLDAP) doesnt' seem to support it */ + + DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n", + ldap_state->uri, ldap_dn)); + +#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000) +# if LDAP_SET_REBIND_PROC_ARGS == 2 + ldap_set_rebind_proc(ldap_struct, &rebindproc_connect); +# endif +# if LDAP_SET_REBIND_PROC_ARGS == 3 + ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state); +# endif +#else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ +# if LDAP_SET_REBIND_PROC_ARGS == 2 + ldap_set_rebind_proc(ldap_struct, &rebindproc); +# endif +# if LDAP_SET_REBIND_PROC_ARGS == 3 + ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state); +# endif +#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/ + + rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret); + + if (rc != LDAP_SUCCESS) { + char *ld_error = NULL; + ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, + &ld_error); + DEBUG(ldap_state->num_failures ? 2 : 0, + ("failed to bind to server with dn= %s Error: %s\n\t%s\n", + ldap_dn ? ld_error : "(unknown)", ldap_err2string(rc), + ld_error)); + SAFE_FREE(ld_error); + ldap_state->num_failures++; + return rc; + } + + ldap_state->num_failures = 0; + + DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n")); + return rc; +} + +/********************************************************************** +Connect to LDAP server +*********************************************************************/ +static int ldapsam_open(struct ldapsam_privates *ldap_state) +{ + int rc; + SMB_ASSERT(ldap_state); + +#ifndef NO_LDAP_SECURITY + if (geteuid() != 0) { + DEBUG(0, ("ldapsam_open: cannot access LDAP when not root..\n")); + return LDAP_INSUFFICIENT_ACCESS; + } +#endif + + if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + LDAPSAM_DONT_PING_TIME) < time(NULL))) { + struct sockaddr_un addr; + socklen_t len = sizeof(addr); + int sd; + if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 && + getpeername(sd, (struct sockaddr *) &addr, &len) < 0) { + /* the other end has died. reopen. */ + ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL); + ldap_state->ldap_struct = NULL; + ldap_state->last_ping = (time_t)0; + } else { + ldap_state->last_ping = time(NULL); + } + } + + if (ldap_state->ldap_struct != NULL) { + DEBUG(5,("ldapsam_open: allready connected to the LDAP server\n")); + return LDAP_SUCCESS; + } + + if ((rc = ldapsam_open_connection(ldap_state, &ldap_state->ldap_struct))) { + return rc; + } + + if ((rc = ldapsam_connect_system(ldap_state, ldap_state->ldap_struct))) { + ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL); + ldap_state->ldap_struct = NULL; + return rc; + } + + + ldap_state->last_ping = time(NULL); + DEBUG(4,("The LDAP server is succesful connected\n")); + + return LDAP_SUCCESS; +} + +/********************************************************************** +Disconnect from LDAP server +*********************************************************************/ +static NTSTATUS ldapsam_close(struct ldapsam_privates *ldap_state) +{ + if (!ldap_state) + return NT_STATUS_INVALID_PARAMETER; + + if (ldap_state->ldap_struct != NULL) { + ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL); + ldap_state->ldap_struct = NULL; + } + + DEBUG(5,("The connection to the LDAP server was closed\n")); + /* maybe free the results here --metze */ + + return NT_STATUS_OK; +} + +static int ldapsam_retry_open(struct ldapsam_privates *ldap_state, int *attempts) +{ + int rc; + + SMB_ASSERT(ldap_state && attempts); + + if (*attempts != 0) { + unsigned int sleep_time; + uint8 rand_byte = 128; /* a reasonable place to start */ + + generate_random_buffer(&rand_byte, 1, False); + + sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2; + /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds + on average. + */ + DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n", + sleep_time)); + msleep(sleep_time); + } + (*attempts)++; + + if ((rc = ldapsam_open(ldap_state))) { + DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts)); + return rc; + } + + return LDAP_SUCCESS; +} + + +static int ldapsam_search(struct ldapsam_privates *ldap_state, + const char *base, int scope, const char *filter, + const char *attrs[], int attrsonly, + LDAPMessage **res) +{ + int rc = LDAP_SERVER_DOWN; + int attempts = 0; + char *utf8_filter; + + SMB_ASSERT(ldap_state); + + if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) { + return LDAP_NO_MEMORY; + } + + while ((rc == LDAP_SERVER_DOWN) && (attempts < 8)) { + + if ((rc = ldapsam_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS) + continue; + + rc = ldap_search_s(ldap_state->ldap_struct, base, scope, + utf8_filter, (char **)attrs, attrsonly, res); + } + + if (rc == LDAP_SERVER_DOWN) { + DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO)); + ldapsam_close(ldap_state); + } + + SAFE_FREE(utf8_filter); + return rc; +} + +static int ldapsam_modify(struct ldapsam_privates *ldap_state, const char *dn, LDAPMod *attrs[]) +{ + int rc = LDAP_SERVER_DOWN; + int attempts = 0; + char *utf8_dn; + + SMB_ASSERT(ldap_state); + + if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) { + return LDAP_NO_MEMORY; + } + + while ((rc == LDAP_SERVER_DOWN) && (attempts < 8)) { + + if ((rc = ldapsam_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS) + continue; + + rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs); + } + + if (rc == LDAP_SERVER_DOWN) { + DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO)); + ldapsam_close(ldap_state); + } + + SAFE_FREE(utf8_dn); + return rc; +} + +static int ldapsam_add(struct ldapsam_privates *ldap_state, const char *dn, LDAPMod *attrs[]) +{ + int rc = LDAP_SERVER_DOWN; + int attempts = 0; + char *utf8_dn; + + SMB_ASSERT(ldap_state); + + if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) { + return LDAP_NO_MEMORY; + } + + while ((rc == LDAP_SERVER_DOWN) && (attempts < 8)) { + + if ((rc = ldapsam_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS) + continue; + + rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs); + } + + if (rc == LDAP_SERVER_DOWN) { + DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO)); + ldapsam_close(ldap_state); + } + + SAFE_FREE(utf8_dn); + return rc; +} + +static int ldapsam_delete(struct ldapsam_privates *ldap_state, char *dn) +{ + int rc = LDAP_SERVER_DOWN; + int attempts = 0; + char *utf8_dn; + + SMB_ASSERT(ldap_state); + + if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) { + return LDAP_NO_MEMORY; + } + + while ((rc == LDAP_SERVER_DOWN) && (attempts < 8)) { + + if ((rc = ldapsam_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS) + continue; + + rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn); + } + + if (rc == LDAP_SERVER_DOWN) { + DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO)); + ldapsam_close(ldap_state); + } + + SAFE_FREE(utf8_dn); + return rc; +} + +#ifdef LDAP_EXOP_X_MODIFY_PASSWD +static int ldapsam_extended_operation(struct ldapsam_privates *ldap_state, LDAP_CONST char *reqoid, struct berval *reqdata, LDAPControl **serverctrls, LDAPControl **clientctrls, char **retoidp, struct berval **retdatap) +{ + int rc = LDAP_SERVER_DOWN; + int attempts = 0; + + if (!ldap_state) + return (-1); + + while ((rc == LDAP_SERVER_DOWN) && (attempts < 8)) { + + if ((rc = ldapsam_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS) + continue; + + rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata, serverctrls, clientctrls, retoidp, retdatap); + } + + if (rc == LDAP_SERVER_DOWN) { + DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO)); + ldapsam_close(ldap_state); + } + + return rc; +} +#endif + /******************************************************************* run the search by name. ******************************************************************/ -static int ldapsam_search_one_user (struct smb_ldap_privates *ldap_state, const char *filter, LDAPMessage ** result) +static int ldapsam_search_suffix (struct ldapsam_privates *ldap_state, const char *filter, const char **search_attr, LDAPMessage ** result) { int scope = LDAP_SCOPE_SUBTREE; int rc; - DEBUG(2, ("ldapsam_search_one_user: searching for:[%s]\n", filter)); + DEBUG(2, ("ldapsam_search_suffix: searching for:[%s]\n", filter)); - rc = smb_ldap_search(ldap_state, lp_ldap_suffix (), scope, filter, attr, 0, result); + rc = ldapsam_search(ldap_state, lp_ldap_suffix (), scope, filter, search_attr, 0, result); if (rc != LDAP_SUCCESS) { char *ld_error = NULL; ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error); - DEBUG(0,("ldapsam_search_one_user: Problem during the LDAP search: %s (%s)\n", + DEBUG(0,("ldapsam_search_suffix: Problem during the LDAP search: %s (%s)\n", ld_error?ld_error:"(unknown)", ldap_err2string (rc))); - DEBUG(3,("ldapsam_search_one_user: Query was: %s, %s\n", lp_ldap_suffix(), + DEBUG(3,("ldapsam_search_suffix: Query was: %s, %s\n", lp_ldap_suffix(), filter)); SAFE_FREE(ld_error); } @@ -102,7 +717,7 @@ static int ldapsam_search_one_user (struct smb_ldap_privates *ldap_state, const /******************************************************************* run the search by name. ******************************************************************/ -static int ldapsam_search_one_user_by_name (struct smb_ldap_privates *ldap_state, const char *user, +static int ldapsam_search_suffix_by_name (struct ldapsam_privates *ldap_state, const char *user, LDAPMessage ** result) { pstring filter; @@ -127,71 +742,218 @@ static int ldapsam_search_one_user_by_name (struct smb_ldap_privates *ldap_state all_string_sub(filter, "%u", escape_user, sizeof(pstring)); SAFE_FREE(escape_user); - return ldapsam_search_one_user(ldap_state, filter, result); + return ldapsam_search_suffix(ldap_state, filter, attr, result); } /******************************************************************* - run the search by uid. + run the search by rid. ******************************************************************/ -static int ldapsam_search_one_user_by_uid(struct smb_ldap_privates *ldap_state, - int uid, - LDAPMessage ** result) +static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state, + uint32 rid, + LDAPMessage ** result) { - struct passwd *user; pstring filter; - char *escape_user; + int rc; - /* Get the username from the system and look that up in the LDAP */ - - if ((user = getpwuid_alloc(uid)) == NULL) { - DEBUG(3,("ldapsam_search_one_user_by_uid: Failed to locate uid [%d]\n", uid)); - return LDAP_NO_SUCH_OBJECT; - } + /* check if the user rid exsists, if not, try searching on the uid */ - pstrcpy(filter, lp_ldap_filter()); + snprintf(filter, sizeof(filter) - 1, "rid=%i", rid); + rc = ldapsam_search_suffix(ldap_state, filter, attr, result); - escape_user = escape_ldap_string_alloc(user->pw_name); - if (!escape_user) { - passwd_free(&user); - return LDAP_NO_MEMORY; - } - - all_string_sub(filter, "%u", escape_user, sizeof(pstring)); - - passwd_free(&user); - SAFE_FREE(escape_user); - - return ldapsam_search_one_user(ldap_state, filter, result); + return rc; } /******************************************************************* - run the search by rid. + run the search by SID. ******************************************************************/ -static int ldapsam_search_one_user_by_rid (struct smb_ldap_privates *ldap_state, - uint32 rid, +static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state, + const DOM_SID *sid, LDAPMessage ** result) { pstring filter; int rc; + fstring sid_string; /* check if the user rid exsists, if not, try searching on the uid */ + + snprintf(filter, sizeof(filter) - 1, "ntSid=%s", sid_to_string(sid_string, sid)); + rc = ldapsam_search_suffix(ldap_state, filter, attr, result); - snprintf(filter, sizeof(filter) - 1, "rid=%i", rid); - rc = ldapsam_search_one_user(ldap_state, filter, result); + return rc; +} + +/******************************************************************* +search an attribute and return the first value found. +******************************************************************/ +static BOOL get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry, + const char *attribute, pstring value) +{ + char **values; + value[0] = '\0'; + + if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) { + DEBUG (10, ("get_single_attribute: [%s] = [<does not exist>]\n", attribute)); + + return False; + } + + if (convert_string(CH_UTF8, CH_UNIX, + values[0], -1, + value, sizeof(pstring)) == (size_t)-1) + { + DEBUG(1, ("get_single_attribute: string conversion of [%s] = [%s] failed!\n", + attribute, values[0])); + ldap_value_free(values); + return False; + } - if (rc != LDAP_SUCCESS) - rc = ldapsam_search_one_user_by_uid(ldap_state, - fallback_pdb_user_rid_to_uid(rid), - result); + ldap_value_free(values); +#ifdef DEBUG_PASSWORDS + DEBUG (100, ("get_single_attribute: [%s] = [%s]\n", attribute, value)); +#endif + return True; +} - return rc; +/************************************************************************ +Routine to manage the LDAPMod structure array +manage memory used by the array, by each struct, and values + +************************************************************************/ +static void make_a_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value) +{ + LDAPMod **mods; + int i; + int j; + + mods = *modlist; + + if (attribute == NULL || *attribute == '\0') + return; + +#if 0 + /* Why do we need this??? -- vl */ + if (value == NULL || *value == '\0') + return; +#endif + + if (mods == NULL) + { + mods = (LDAPMod **) malloc(sizeof(LDAPMod *)); + if (mods == NULL) + { + DEBUG(0, ("make_a_mod: out of memory!\n")); + return; + } + mods[0] = NULL; + } + + for (i = 0; mods[i] != NULL; ++i) { + if (mods[i]->mod_op == modop && !strcasecmp(mods[i]->mod_type, attribute)) + break; + } + + if (mods[i] == NULL) + { + mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *)); + if (mods == NULL) + { + DEBUG(0, ("make_a_mod: out of memory!\n")); + return; + } + mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod)); + if (mods[i] == NULL) + { + DEBUG(0, ("make_a_mod: out of memory!\n")); + return; + } + mods[i]->mod_op = modop; + mods[i]->mod_values = NULL; + mods[i]->mod_type = strdup(attribute); + mods[i + 1] = NULL; + } + + if (value != NULL) + { + char *utf8_value = NULL; + + j = 0; + if (mods[i]->mod_values != NULL) { + for (; mods[i]->mod_values[j] != NULL; j++); + } + mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values, + (j + 2) * sizeof (char *)); + + if (mods[i]->mod_values == NULL) { + DEBUG (0, ("make_a_mod: Memory allocation failure!\n")); + return; + } + + if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) { + DEBUG (0, ("make_a_mod: String conversion failure!\n")); + return; + } + + mods[i]->mod_values[j] = utf8_value; + + mods[i]->mod_values[j + 1] = NULL; + } + *modlist = mods; +} + +/********************************************************************** + Set attribute to newval in LDAP, regardless of what value the + attribute had in LDAP before. +*********************************************************************/ +static void make_ldap_mod(LDAP *ldap_struct, LDAPMessage *existing, + LDAPMod ***mods, + const char *attribute, const char *newval) +{ + char **values = NULL; + + if (existing != NULL) { + values = ldap_get_values(ldap_struct, existing, attribute); + } + + if ((values != NULL) && (values[0] != NULL) && + strcmp(values[0], newval) == 0) { + + /* Believe it or not, but LDAP will deny a delete and + an add at the same time if the values are the + same... */ + + ldap_value_free(values); + return; + } + + /* Regardless of the real operation (add or modify) + we add the new value here. We rely on deleting + the old value, should it exist. */ + + if ((newval != NULL) && (strlen(newval) > 0)) { + make_a_mod(mods, LDAP_MOD_ADD, attribute, newval); + } + + if (values == NULL) { + /* There has been no value before, so don't delete it. + Here's a possible race: We might end up with + duplicate attributes */ + return; + } + + /* By deleting exactly the value we found in the entry this + should be race-free in the sense that the LDAP-Server will + deny the complete operation if somebody changed the + attribute behind our back. */ + + make_a_mod(mods, LDAP_MOD_DELETE, attribute, values[0]); + ldap_value_free(values); } /******************************************************************* Delete complete object or objectclass and attrs from object found in search_result depending on lp_ldap_delete_dn ******************************************************************/ -static NTSTATUS ldapsam_delete_entry(struct smb_ldap_privates *ldap_state, +static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state, LDAPMessage *result, const char *objectclass, const char **attrs) @@ -214,7 +976,7 @@ static NTSTATUS ldapsam_delete_entry(struct smb_ldap_privates *ldap_state, if (lp_ldap_delete_dn()) { NTSTATUS ret = NT_STATUS_OK; - rc = smb_ldap_delete(ldap_state, dn); + rc = ldapsam_delete(ldap_state, dn); if (rc != LDAP_SUCCESS) { DEBUG(0, ("Could not delete object %s\n", dn)); @@ -238,7 +1000,7 @@ static NTSTATUS ldapsam_delete_entry(struct smb_ldap_privates *ldap_state, for (attrib = attrs; *attrib != NULL; attrib++) { if (StrCaseCmp(*attrib, name) == 0) { DEBUG(10, ("deleting attribute %s\n", name)); - smb_ldap_make_a_mod(&mods, LDAP_MOD_DELETE, name, NULL); + make_a_mod(&mods, LDAP_MOD_DELETE, name, NULL); } } @@ -249,9 +1011,9 @@ static NTSTATUS ldapsam_delete_entry(struct smb_ldap_privates *ldap_state, ber_free(ptr, 0); } - smb_ldap_make_a_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass); + make_a_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass); - rc = smb_ldap_modify(ldap_state, dn, mods); + rc = ldapsam_modify(ldap_state, dn, mods); ldap_mods_free(mods, 1); if (rc != LDAP_SUCCESS) { @@ -270,12 +1032,506 @@ static NTSTATUS ldapsam_delete_entry(struct smb_ldap_privates *ldap_state, return NT_STATUS_OK; } +/********************************************************************** +Search for the domain info entry +*********************************************************************/ +static int ldapsam_search_domain_info(struct ldapsam_privates *ldap_state, + LDAPMessage ** result) +{ + pstring filter; + int rc; + + slprintf(filter, sizeof(filter)-1, + "(&(objectClass=sambaDomain)(domain=%s))", + ldap_state->domain_name); + + DEBUG(2, ("Searching for:[%s]\n", filter)); + + rc = ldapsam_search_suffix(ldap_state, filter, + domain_info_attrs, result); + + if (rc != LDAP_SUCCESS) { + DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc))); + DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter)); + } + + return rc; +} + +/********************************************************************** + If this entry is is the 'allocated' range, extract the RID and return + it, so we can find the 'next' rid to allocate. + + Do this, no matter what type of object holds the RID - be it a user, + group or somthing else. +*********************************************************************/ +static uint32 entry_to_rid(struct ldapsam_privates *ldap_state, LDAPMessage *entry, int rid_type) +{ + pstring sid_string; + DOM_SID dom_sid; + uint32 rid; + + if (!get_single_attribute(ldap_state->ldap_struct, entry, "ntSid", + sid_string)) { + return 0; + } + + if (!string_to_sid(&dom_sid, sid_string)) { + return 0; + } + + if (!sid_peek_check_rid(&dom_sid, get_global_sam_sid(), &rid)) { + /* not our domain, so we don't care */ + return 0; + } + + switch (rid_type) { + case USER_RID_TYPE: + if (rid >= ldap_state->low_allocated_user_rid && + rid <= ldap_state->high_allocated_user_rid) { + return rid; + } + break; + case GROUP_RID_TYPE: + if (rid >= ldap_state->low_allocated_group_rid && + rid <= ldap_state->high_allocated_group_rid) { + return rid; + } + break; + } + return 0; +} + + +/********************************************************************** +Connect to LDAP server and find the next available 'allocated' RID. + +The search is done 'per type' as we allocate seperate pools for the +EVEN and ODD (user and group) RIDs. + +This is only done once, so that we can fill out the sambaDomain. +*********************************************************************/ +static uint32 search_next_allocated_rid(struct ldapsam_privates *ldap_state, int rid_type) +{ + int rc; + LDAPMessage *result; + LDAPMessage *entry; + uint32 top_rid = 0; + uint32 next_rid; + uint32 count; + uint32 rid; + const char *sid_attr[] = {"ntSid", NULL}; + const char *filter = "(ntSid=*)"; + + DEBUG(2, ("search_top_allocated_rid: searching for:[%s]\n", filter)); + + rc = ldapsam_search_suffix(ldap_state, filter, + sid_attr, &result); + + if (rc != LDAP_SUCCESS) { + DEBUG(3, ("LDAP search failed! cannot find base for NUA RIDs: %s\n", ldap_err2string(rc))); + DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), filter)); + + result = NULL; + return 0; + } + + count = ldap_count_entries(ldap_state->ldap_struct, result); + DEBUG(2, ("search_top_allocated_rid: %d entries in the base!\n", count)); + + if (count == 0) { + DEBUG(3, ("LDAP search returned no records, assuming no allocated RIDs present!: %s\n", ldap_err2string(rc))); + DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), filter)); + } else { + entry = ldap_first_entry(ldap_state->ldap_struct,result); + + top_rid = entry_to_rid(ldap_state, entry, rid_type); + + while ((entry = ldap_next_entry(ldap_state->ldap_struct, entry))) { + + rid = entry_to_rid(ldap_state, entry, rid_type); + if (((rid & ~RID_TYPE_MASK) == rid_type) && (rid > top_rid)) { + top_rid = rid; + } + } + } + + switch (rid_type) { + case USER_RID_TYPE: + if (top_rid < ldap_state->low_allocated_user_rid) { + return ldap_state->low_allocated_user_rid; + } + break; + case GROUP_RID_TYPE: + if (top_rid < ldap_state->low_allocated_group_rid) + return ldap_state->low_allocated_group_rid; + break; + } + + next_rid = (top_rid & ~RID_TYPE_MASK) + rid_type + RID_MULTIPLIER; + + switch (rid_type) { + case USER_RID_TYPE: + if (next_rid > ldap_state->high_allocated_user_rid) { + return 0; + } + break; + case GROUP_RID_TYPE: + if (next_rid > ldap_state->high_allocated_group_rid) { + return 0; + } + break; + } + return next_rid; +} + +/********************************************************************** + Add the sambaDomain to LDAP, so we don't have to search for this stuff + again. This is a once-add operation for now. + + TODO: Add other attributes, and allow modification. +*********************************************************************/ +static NTSTATUS add_new_domain_info(struct ldapsam_privates *ldap_state) +{ + pstring tmp; + pstring filter; + LDAPMod **mods = NULL; + int rc; + int ldap_op; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + char *dn = NULL; + int num_result; + + uint32 next_allocated_user_rid; + uint32 next_allocated_group_rid; + + next_allocated_user_rid = search_next_allocated_rid(ldap_state, USER_RID_TYPE); + if (!next_allocated_user_rid) { + return NT_STATUS_UNSUCCESSFUL; + } + + next_allocated_group_rid = search_next_allocated_rid(ldap_state, GROUP_RID_TYPE); + if (!next_allocated_group_rid) { + return NT_STATUS_UNSUCCESSFUL; + } + + slprintf (filter, sizeof (filter) - 1, "domain=%s", ldap_state->domain_name); + rc = ldapsam_search_suffix(ldap_state, filter, domain_info_attrs, &result); + if (rc != LDAP_SUCCESS) { + return NT_STATUS_UNSUCCESSFUL; + } + + num_result = ldap_count_entries(ldap_state->ldap_struct, result); + + if (num_result > 1) { + DEBUG (0, ("More than domain with that name exists: bailing out!\n")); + ldap_msgfree(result); + return NT_STATUS_UNSUCCESSFUL; + } + + /* Check if we need to update an existing entry */ + if (num_result == 1) { + char *tmp_dn; + + DEBUG(3,("Domain exists without samba properties: adding them\n")); + ldap_op = LDAP_MOD_REPLACE; + entry = ldap_first_entry (ldap_state->ldap_struct, result); + tmp_dn = ldap_get_dn (ldap_state->ldap_struct, entry); + asprintf (&dn, "%s", tmp_dn); + ldap_memfree (tmp_dn); + } else { + /* Check if we need to add an entry */ + DEBUG(3,("Adding new domain\n")); + ldap_op = LDAP_MOD_ADD; + asprintf (&dn, "domain=%s,%s", ldap_state->domain_name, lp_ldap_suffix ()); + } + + /* Free original search */ + ldap_msgfree(result); + + if (!dn) { + return NT_STATUS_NO_MEMORY; + } + + /* make the changes - the entry *must* not already have samba attributes */ + make_a_mod(&mods, LDAP_MOD_ADD, "domain", ldap_state->domain_name); + + sid_to_string(tmp, &ldap_state->domain_sid); + make_a_mod(&mods, LDAP_MOD_ADD, "ntSid", tmp); + + snprintf(tmp, sizeof(tmp)-1, "%i", next_allocated_user_rid); + make_a_mod(&mods, LDAP_MOD_ADD, "nextUserRid", tmp); + + snprintf(tmp, sizeof(tmp)-1, "%i", next_allocated_group_rid); + make_a_mod(&mods, LDAP_MOD_ADD, "nextGroupRid", tmp); + + make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaDomain"); + + switch(ldap_op) + { + case LDAP_MOD_ADD: + rc = ldapsam_add(ldap_state, dn, mods); + break; + case LDAP_MOD_REPLACE: + rc = ldapsam_modify(ldap_state, dn, mods); + break; + default: + DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op)); + return NT_STATUS_INVALID_PARAMETER; + } + + if (rc!=LDAP_SUCCESS) { + char *ld_error = NULL; + ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, + &ld_error); + DEBUG(1, + ("failed to %s domain dn= %s with: %s\n\t%s\n", + ldap_op == LDAP_MOD_ADD ? "add" : "modify", + dn, ldap_err2string(rc), + ld_error?ld_error:"unknown")); + SAFE_FREE(ld_error); + + ldap_mods_free(mods,1); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(2,("added: domain = %s in the LDAP database\n", ldap_state->domain_name)); + ldap_mods_free(mods, 1); + return NT_STATUS_OK; +} + +/********************************************************************** + Even if the sambaAccount attribute in LDAP tells us that this RID is + safe to use, always check before use. +*********************************************************************/ +static BOOL sid_in_use(struct ldapsam_privates *ldap_state, + const DOM_SID *sid, int *error) +{ + pstring filter; + fstring sid_string; + LDAPMessage *result = NULL; + int count; + int rc; + const char *sid_attr[] = {"ntSid", NULL}; + + slprintf(filter, sizeof(filter)-1, "(ntSid=%s)", sid_to_string(sid_string, sid)); + + rc = ldapsam_search_suffix(ldap_state, filter, sid_attr, &result); + + if (rc != LDAP_SUCCESS) { + char *ld_error = NULL; + ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error); + DEBUG(2, ("Failed to check if sid %s is alredy in use: %s\n", + sid_string, ld_error)); + SAFE_FREE(ld_error); + + *error = rc; + return True; + } + + if ((count = ldap_count_entries(ldap_state->ldap_struct, result)) > 0) { + DEBUG(3, ("Sid %s already in use - trying next RID\n", + sid_string)); + ldap_msgfree(result); + return True; + } + + ldap_msgfree(result); + + /* good, sid is not in use */ + return False; +} + +/********************************************************************** + Set the new nextRid attribute, and return one we can use. + + This also checks that this RID is actually free - in case the admin + manually stole it :-). +*********************************************************************/ +static NTSTATUS ldapsam_next_rid(struct ldapsam_privates *ldap_state, uint32 *rid, int rid_type) +{ + NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; + int rc; + LDAPMessage *result = NULL; + LDAPMessage *entry = NULL; + char *dn; + LDAPMod **mods = NULL; + int count; + fstring old_rid_string; + fstring next_rid_string; + uint32 next_rid; + int attempts = 0; + + if (!ldap_state->use_ntsid) { + DEBUG(0, ("Allocated RIDs require 'ldap use ntSid' to be set in smb.conf\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + while (attempts < 10) { + char *ld_error; + if (ldapsam_search_domain_info(ldap_state, &result)) { + return ret; + } + + if (ldap_count_entries(ldap_state->ldap_struct, result) < 1) { + DEBUG(3, ("Got no domain info entries for domain %s\n", + ldap_state->domain_name)); + ldap_msgfree(result); + if (NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state))) { + continue; + } else { + DEBUG(0, ("Adding domain info failed with %s\n", nt_errstr(ret))); + return ret; + } + } + + if ((count = ldap_count_entries(ldap_state->ldap_struct, result)) > 1) { + DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n", + count, ldap_state->domain_name)); + ldap_msgfree(result); + return ret; + } + + entry = ldap_first_entry(ldap_state->ldap_struct, result); + if (!entry) { + ldap_msgfree(result); + return ret; + } + + if ((dn = ldap_get_dn(ldap_state->ldap_struct, entry)) == NULL) { + DEBUG(0, ("Could not get domain info DN\n")); + ldap_msgfree(result); + return ret; + } + + /* yes, we keep 2 seperate counters, to avoid stomping on the two + different sets of algorithmic RIDs */ + + switch (rid_type) { + case USER_RID_TYPE: + if (!get_single_attribute(ldap_state->ldap_struct, + entry, "nextUserRid", + old_rid_string)) { + ldap_memfree(dn); + ldap_msgfree(result); + return ret; + } + break; + case GROUP_RID_TYPE: + if (!get_single_attribute(ldap_state->ldap_struct, + entry, "nextGroupRid", + old_rid_string)) { + ldap_memfree(dn); + ldap_msgfree(result); + return ret; + } + break; + } + + /* This is the core of the whole routine. If we had + scheme-style closures, there would be a *lot* less code + duplication... */ + *rid = (uint32)atol(old_rid_string); + next_rid = *rid+RID_MULTIPLIER; + + slprintf(next_rid_string, sizeof(next_rid_string)-1, "%d", next_rid); + + switch (rid_type) { + case USER_RID_TYPE: + if (next_rid > ldap_state->high_allocated_user_rid) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* Try to make the modification atomically by enforcing the + old value in the delete mod. */ + make_ldap_mod(ldap_state->ldap_struct, entry, &mods, "nextUserRid", next_rid_string); + break; + + case GROUP_RID_TYPE: + if (next_rid > ldap_state->high_allocated_group_rid) { + return NT_STATUS_UNSUCCESSFUL; + } + + /* Try to make the modification atomically by enforcing the + old value in the delete mod. */ + make_ldap_mod(ldap_state->ldap_struct, entry, &mods, "nextGroupRid", next_rid_string); + break; + } + + if ((rc = ldap_modify_s(ldap_state->ldap_struct, dn, mods)) == LDAP_SUCCESS) { + DOM_SID dom_sid; + DOM_SID sid; + pstring domain_sid_string; + int error = 0; + + if (!get_single_attribute(ldap_state->ldap_struct, result, "ntSid", + domain_sid_string)) { + ldap_mods_free(mods, 1); + ldap_memfree(dn); + ldap_msgfree(result); + return ret; + } + + if (!string_to_sid(&dom_sid, domain_sid_string)) { + ldap_mods_free(mods, 1); + ldap_memfree(dn); + ldap_msgfree(result); + return ret; + } + + ldap_mods_free(mods, 1); + mods = NULL; + ldap_memfree(dn); + ldap_msgfree(result); + + sid_copy(&sid, &dom_sid); + sid_append_rid(&sid, *rid); + + /* check RID is not in use */ + if (sid_in_use(ldap_state, &sid, &error)) { + if (error) { + return ret; + } + continue; + } + + return NT_STATUS_OK; + } + + ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error); + DEBUG(2, ("Failed to modify rid: %s\n", ld_error)); + SAFE_FREE(ld_error); + + ldap_mods_free(mods, 1); + mods = NULL; + + ldap_memfree(dn); + dn = NULL; + + ldap_msgfree(result); + result = NULL; + + { + /* Sleep for a random timeout */ + unsigned sleeptime = (sys_random()*sys_getpid()*attempts); + attempts += 1; + + sleeptime %= 100; + msleep(sleeptime); + } + } + + DEBUG(0, ("Failed to set new RID\n")); + return ret; +} + /* New Interface is being implemented here */ /********************************************************************** Initialize SAM_ACCOUNT from an LDAP query (unix attributes only) *********************************************************************/ -static BOOL get_unix_attributes (struct smb_ldap_privates *ldap_state, +static BOOL get_unix_attributes (struct ldapsam_privates *ldap_state, SAM_ACCOUNT * sampass, LDAPMessage * entry) { @@ -304,15 +1560,15 @@ static BOOL get_unix_attributes (struct smb_ldap_privates *ldap_state, } ldap_value_free(ldap_values); - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "homeDirectory", homedir)) + if (!get_single_attribute(ldap_state->ldap_struct, entry, "homeDirectory", homedir)) return False; - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "uidNumber", temp)) + if (!get_single_attribute(ldap_state->ldap_struct, entry, "uidNumber", temp)) return False; uid = (uid_t)atol(temp); - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "gidNumber", temp)) + if (!get_single_attribute(ldap_state->ldap_struct, entry, "gidNumber", temp)) return False; gid = (gid_t)atol(temp); @@ -330,7 +1586,7 @@ static BOOL get_unix_attributes (struct smb_ldap_privates *ldap_state, Initialize SAM_ACCOUNT from an LDAP query (Based on init_sam_from_buffer in pdb_tdb.c) *********************************************************************/ -static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, +static BOOL init_sam_from_ldap (struct ldapsam_privates *ldap_state, SAM_ACCOUNT * sampass, LDAPMessage * entry) { @@ -352,8 +1608,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, munged_dial, workstations; struct passwd *pw; - uint32 user_rid, - group_rid; + uint32 user_rid; uint8 smblmpwd[LM_HASH_LEN], smbntpwd[NT_HASH_LEN]; uint16 acct_ctrl = 0, @@ -391,31 +1646,46 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, return False; } - smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "uid", username); + if (!get_single_attribute(ldap_state->ldap_struct, entry, "uid", username)) { + DEBUG(1, ("No uid attribute found for this user!\n")); + return False; + } + DEBUG(2, ("Entry found for user: %s\n", username)); pstrcpy(nt_username, username); - pstrcpy(domain, lp_workgroup()); + pstrcpy(domain, ldap_state->domain_name); pdb_set_username(sampass, username, PDB_SET); pdb_set_domain(sampass, domain, PDB_DEFAULT); pdb_set_nt_username(sampass, nt_username, PDB_SET); + + if (ldap_state->use_ntsid) { + if (get_single_attribute(ldap_state->ldap_struct, entry, "ntSid", temp)) { + pdb_set_user_sid_from_string(sampass, temp, PDB_SET); + } + } else { + if (get_single_attribute(ldap_state->ldap_struct, entry, "rid", temp)) { + user_rid = (uint32)atol(temp); + pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + } + } - smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "rid", temp); - user_rid = (uint32)atol(temp); - - pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) { + DEBUG(1, ("no rid or ntSid attribute found for this user %s\n", username)); + return False; + } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "primaryGroupID", temp)) { - group_rid = 0; + if (!get_single_attribute(ldap_state->ldap_struct, entry, "primaryGroupID", temp)) { + pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT); } else { + uint32 group_rid; group_rid = (uint32)atol(temp); pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); } - /* * If so configured, try and get the values from LDAP */ @@ -444,7 +1714,8 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, } } - if (group_rid == 0 && pdb_get_init_flags(sampass,PDB_GID) != PDB_DEFAULT) { + if ((pdb_get_init_flags(sampass,PDB_GROUPSID) == PDB_DEFAULT) + && (pdb_get_init_flags(sampass,PDB_GID) != PDB_DEFAULT)) { GROUP_MAP map; gid = pdb_get_gid(sampass); /* call the mapping code here */ @@ -456,42 +1727,42 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, } } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "pwdLastSet", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "pwdLastSet", temp)) { /* leave as default */ } else { pass_last_set_time = (time_t) atol(temp); pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "logonTime", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "logonTime", temp)) { /* leave as default */ } else { logon_time = (time_t) atol(temp); pdb_set_logon_time(sampass, logon_time, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "logoffTime", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "logoffTime", temp)) { /* leave as default */ } else { logoff_time = (time_t) atol(temp); pdb_set_logoff_time(sampass, logoff_time, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "kickoffTime", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "kickoffTime", temp)) { /* leave as default */ } else { kickoff_time = (time_t) atol(temp); pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "pwdCanChange", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "pwdCanChange", temp)) { /* leave as default */ } else { pass_can_change_time = (time_t) atol(temp); pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "pwdMustChange", temp)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "pwdMustChange", temp)) { /* leave as default */ } else { pass_must_change_time = (time_t) atol(temp); @@ -504,9 +1775,9 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, * that fits your needs; using cn then displayName rather than 'userFullName' */ - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, + if (!get_single_attribute(ldap_state->ldap_struct, entry, "displayName", fullname)) { - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, + if (!get_single_attribute(ldap_state->ldap_struct, entry, "cn", fullname)) { /* leave as default */ } else { @@ -516,7 +1787,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, pdb_set_fullname(sampass, fullname, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "homeDrive", dir_drive)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "homeDrive", dir_drive)) { pdb_set_dir_drive(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_drive(), username, domain, @@ -526,7 +1797,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, pdb_set_dir_drive(sampass, dir_drive, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "smbHome", homedir)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "smbHome", homedir)) { pdb_set_homedir(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_home(), username, domain, @@ -536,7 +1807,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, pdb_set_homedir(sampass, homedir, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "scriptPath", logon_script)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "scriptPath", logon_script)) { pdb_set_logon_script(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_script(), username, domain, @@ -546,7 +1817,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, pdb_set_logon_script(sampass, logon_script, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "profilePath", profile_path)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "profilePath", profile_path)) { pdb_set_profile_path(sampass, talloc_sub_specified(sampass->mem_ctx, lp_logon_path(), username, domain, @@ -556,13 +1827,13 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, pdb_set_profile_path(sampass, profile_path, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "description", acct_desc)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "description", acct_desc)) { /* leave as default */ } else { pdb_set_acct_desc(sampass, acct_desc, PDB_SET); } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "userWorkstations", workstations)) { + if (!get_single_attribute(ldap_state->ldap_struct, entry, "userWorkstations", workstations)) { /* leave as default */; } else { pdb_set_workstations(sampass, workstations, PDB_SET); @@ -574,7 +1845,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, hours_len = 21; memset(hours, 0xff, hours_len); - if (!smb_ldap_get_single_attribute (ldap_state->ldap_struct, entry, "lmPassword", temp)) { + if (!get_single_attribute (ldap_state->ldap_struct, entry, "lmPassword", temp)) { /* leave as default */ } else { pdb_gethexpwd(temp, smblmpwd); @@ -584,7 +1855,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, ZERO_STRUCT(smblmpwd); } - if (!smb_ldap_get_single_attribute (ldap_state->ldap_struct, entry, "ntPassword", temp)) { + if (!get_single_attribute (ldap_state->ldap_struct, entry, "ntPassword", temp)) { /* leave as default */ } else { pdb_gethexpwd(temp, smbntpwd); @@ -594,7 +1865,7 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, ZERO_STRUCT(smbntpwd); } - if (!smb_ldap_get_single_attribute (ldap_state->ldap_struct, entry, "acctFlags", temp)) { + if (!get_single_attribute (ldap_state->ldap_struct, entry, "acctFlags", temp)) { acct_ctrl |= ACB_NORMAL; } else { acct_ctrl = pdb_decode_acct_ctrl(temp); @@ -620,74 +1891,12 @@ static BOOL init_sam_from_ldap (struct smb_ldap_privates *ldap_state, } /********************************************************************** - An LDAP modification is needed in two cases: - * If we are updating the record AND the attribute is CHANGED. - * If we are adding the record AND it is SET or CHANGED (ie not default) -*********************************************************************/ -static BOOL need_ldap_mod(BOOL pdb_add, const SAM_ACCOUNT * sampass, enum pdb_elements element) { - if (pdb_add) { - return (!IS_SAM_DEFAULT(sampass, element)); - } else { - return IS_SAM_CHANGED(sampass, element); - } -} - -/********************************************************************** - Set attribute to newval in LDAP, regardless of what value the - attribute had in LDAP before. -*********************************************************************/ -static void make_ldap_mod(LDAP *ldap_struct, LDAPMessage *existing, - LDAPMod ***mods, - const char *attribute, const char *newval) -{ - char **values = NULL; - - if (existing != NULL) { - values = ldap_get_values(ldap_struct, existing, attribute); - } - - if ((values != NULL) && (values[0] != NULL) && - strcmp(values[0], newval) == 0) { - - /* Believe it or not, but LDAP will deny a delete and - an add at the same time if the values are the - same... */ - - ldap_value_free(values); - return; - } - - /* Regardless of the real operation (add or modify) - we add the new value here. We rely on deleting - the old value, should it exist. */ - - if ((newval != NULL) && (strlen(newval) > 0)) { - smb_ldap_make_a_mod(mods, LDAP_MOD_ADD, attribute, newval); - } - - if (values == NULL) { - /* There has been no value before, so don't delete it. - Here's a possible race: We might end up with - duplicate attributes */ - return; - } - - /* By deleting exactly the value we found in the entry this - should be race-free in the sense that the LDAP-Server will - deny the complete operation if somebody changed the - attribute behind our back. */ - - smb_ldap_make_a_mod(mods, LDAP_MOD_DELETE, attribute, values[0]); - ldap_value_free(values); -} - -/********************************************************************** Initialize SAM_ACCOUNT from an LDAP query (Based on init_buffer_from_sam in pdb_tdb.c) *********************************************************************/ -static BOOL init_ldap_from_sam (struct smb_ldap_privates *ldap_state, +static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state, LDAPMessage *existing, - LDAPMod *** mods, const SAM_ACCOUNT * sampass, + LDAPMod *** mods, SAM_ACCOUNT * sampass, BOOL (*need_update)(const SAM_ACCOUNT *, enum pdb_elements)) { @@ -711,14 +1920,9 @@ static BOOL init_ldap_from_sam (struct smb_ldap_privates *ldap_state, DEBUG(2, ("Setting entry for user: %s\n", pdb_get_username(sampass))); - rid = pdb_get_user_rid(sampass); - - if (rid == 0) { - if (!IS_SAM_DEFAULT(sampass, PDB_UID)) { - rid = fallback_pdb_uid_to_user_rid(pdb_get_uid(sampass)); - } else if (ldap_state->permit_non_unix_accounts) { - rid = ldapsam_get_next_available_nua_rid(ldap_state); - if (rid == 0) { + if (pdb_get_init_flags(sampass, PDB_USERSID) == PDB_DEFAULT) { + if (ldap_state->permit_non_unix_accounts) { + if (!NT_STATUS_IS_OK(ldapsam_next_rid(ldap_state, &rid, USER_RID_TYPE))) { DEBUG(0, ("NO user RID specified on account %s, and " "finding next available NUA RID failed, " "cannot store!\n", @@ -732,35 +1936,48 @@ static BOOL init_ldap_from_sam (struct smb_ldap_privates *ldap_state, ldap_mods_free(*mods, 1); return False; } - } - slprintf(temp, sizeof(temp) - 1, "%i", rid); - - if (need_update(sampass, PDB_USERSID)) - make_ldap_mod(ldap_state->ldap_struct, existing, mods, - "rid", temp); - - - rid = pdb_get_group_rid(sampass); - - if (rid == 0) { - if (!IS_SAM_DEFAULT(sampass, PDB_GID)) { - rid = pdb_gid_to_group_rid(pdb_get_gid(sampass)); - } else if (ldap_state->permit_non_unix_accounts) { - rid = DOMAIN_GROUP_RID_USERS; - } else { - DEBUG(0, ("NO group RID specified on account %s, " - "cannot store!\n", pdb_get_username(sampass))); + /* now that we have figured out the RID, always store it, as + the schema requires it */ + if (!pdb_set_user_sid_from_rid(sampass, rid, PDB_CHANGED)) { + DEBUG(0, ("Could not store RID back onto SAM_ACCOUNT for user %s!\n", + pdb_get_username(sampass))); ldap_mods_free(*mods, 1); return False; } } - slprintf(temp, sizeof(temp) - 1, "%i", rid); + /* only update the RID if we actually need to */ + if (need_update(sampass, PDB_USERSID)) { + fstring sid_string; + fstring dom_sid_string; + const DOM_SID *user_sid; + user_sid = pdb_get_user_sid(sampass); + + if (ldap_state->use_ntsid) { + make_ldap_mod(ldap_state->ldap_struct, existing, mods, + "ntSid", sid_to_string(sid_string, user_sid)); + } else { + if (!sid_peek_check_rid(get_global_sam_sid(), user_sid, &rid)) { + DEBUG(1, ("User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n", sid_to_string(sid_string, user_sid), sid_to_string(dom_sid_string, get_global_sam_sid()))); + return False; + } + slprintf(temp, sizeof(temp) - 1, "%i", rid); + make_ldap_mod(ldap_state->ldap_struct, existing, mods, + "rid", temp); + } + + } + + /* we don't need to store the primary group RID - so leaving it + 'free' to hang off the unix primary group makes life easier */ - if (need_update(sampass, PDB_GROUPSID)) + if (need_update(sampass, PDB_GROUPSID)) { + rid = pdb_get_group_rid(sampass); + slprintf(temp, sizeof(temp) - 1, "%i", rid); make_ldap_mod(ldap_state->ldap_struct, existing, mods, "primaryGroupID", temp); + } /* displayName, cn, and gecos should all be the same * most easily accomplished by giving them the same OID @@ -868,160 +2085,22 @@ static BOOL init_ldap_from_sam (struct smb_ldap_privates *ldap_state, } -/********************************************************************** -Connect to LDAP server and find the next available RID. -*********************************************************************/ -static uint32 check_nua_rid_is_avail(struct smb_ldap_privates *ldap_state, uint32 top_rid) -{ - LDAPMessage *result; - uint32 final_rid = (top_rid & (~USER_RID_TYPE)) + RID_MULTIPLIER; - if (top_rid == 0) { - return 0; - } - - if (final_rid < ldap_state->low_nua_rid || final_rid > ldap_state->high_nua_rid) { - return 0; - } - - if (ldapsam_search_one_user_by_rid(ldap_state, final_rid, &result) != LDAP_SUCCESS) { - DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the confirmation search failed!\n", final_rid, final_rid)); - return 0; - } - - if (ldap_count_entries(ldap_state->ldap_struct, result) != 0) { - DEBUG(0, ("Cannot allocate NUA RID %d (0x%x), as the RID is already in use!!\n", final_rid, final_rid)); - ldap_msgfree(result); - return 0; - } - - DEBUG(5, ("NUA RID %d (0x%x), declared valid\n", final_rid, final_rid)); - ldap_msgfree(result); - return final_rid; -} - -/********************************************************************** -Extract the RID from an LDAP entry -*********************************************************************/ -static uint32 entry_to_user_rid(struct smb_ldap_privates *ldap_state, LDAPMessage *entry) { - uint32 rid; - SAM_ACCOUNT *user = NULL; - if (!NT_STATUS_IS_OK(pdb_init_sam(&user))) { - return 0; - } - - if (init_sam_from_ldap(ldap_state, user, entry)) { - rid = pdb_get_user_rid(user); - } else { - rid =0; - } - pdb_free_sam(&user); - if (rid >= ldap_state->low_nua_rid && rid <= ldap_state->high_nua_rid) { - return rid; - } - return 0; -} - - -/********************************************************************** -Connect to LDAP server and find the next available RID. -*********************************************************************/ -static uint32 search_top_nua_rid(struct smb_ldap_privates *ldap_state) -{ - int rc; - pstring filter; - LDAPMessage *result; - LDAPMessage *entry; - char *final_filter = NULL; - uint32 top_rid = 0; - uint32 count; - uint32 rid; - - pstrcpy(filter, lp_ldap_filter()); - all_string_sub(filter, "%u", "*", sizeof(pstring)); - -#if 0 - asprintf(&final_filter, "(&(%s)(&(rid>=%d)(rid<=%d)))", filter, ldap_state->low_nua_rid, ldap_state->high_nua_rid); -#else - final_filter = strdup(filter); -#endif - DEBUG(2, ("ldapsam_get_next_available_nua_rid: searching for:[%s]\n", final_filter)); - - rc = smb_ldap_search(ldap_state, lp_ldap_suffix(), - LDAP_SCOPE_SUBTREE, final_filter, attr, 0, - &result); - - if (rc != LDAP_SUCCESS) { - DEBUG(3, ("LDAP search failed! cannot find base for NUA RIDs: %s\n", ldap_err2string(rc))); - DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter)); - - free(final_filter); - result = NULL; - return 0; - } - - count = ldap_count_entries(ldap_state->ldap_struct, result); - DEBUG(2, ("search_top_nua_rid: %d entries in the base!\n", count)); - - if (count == 0) { - DEBUG(3, ("LDAP search returned no records, assuming no non-unix-accounts present!: %s\n", ldap_err2string(rc))); - DEBUGADD(3, ("Query was: %s, %s\n", lp_ldap_suffix(), final_filter)); - free(final_filter); - ldap_msgfree(result); - result = NULL; - return ldap_state->low_nua_rid; - } - - free(final_filter); - entry = ldap_first_entry(ldap_state->ldap_struct,result); - - top_rid = entry_to_user_rid(ldap_state, entry); - - while ((entry = ldap_next_entry(ldap_state->ldap_struct, entry))) { - - rid = entry_to_user_rid(ldap_state, entry); - if (rid > top_rid) { - top_rid = rid; - } - } - - ldap_msgfree(result); - - if (top_rid < ldap_state->low_nua_rid) - top_rid = ldap_state->low_nua_rid; - - return top_rid; -} - -/********************************************************************** -Connect to LDAP server and find the next available RID. -*********************************************************************/ -static uint32 ldapsam_get_next_available_nua_rid(struct smb_ldap_privates *ldap_state) { - uint32 next_nua_rid; - uint32 top_nua_rid; - - top_nua_rid = search_top_nua_rid(ldap_state); - - next_nua_rid = check_nua_rid_is_avail(ldap_state, - top_nua_rid); - - return next_nua_rid; -} /********************************************************************** Connect to LDAP server for password enumeration *********************************************************************/ static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update) { - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; int rc; pstring filter; pstrcpy(filter, lp_ldap_filter()); all_string_sub(filter, "%u", "*", sizeof(pstring)); - rc = smb_ldap_search(ldap_state, lp_ldap_suffix(), - LDAP_SCOPE_SUBTREE, filter, attr, 0, - &ldap_state->result); + rc = ldapsam_search_suffix(ldap_state, + filter, attr, + &ldap_state->result); if (rc != LDAP_SUCCESS) { DEBUG(0, ("LDAP search failed: %s\n", ldap_err2string(rc))); @@ -1047,7 +2126,7 @@ End enumeration of the LDAP password list *********************************************************************/ static void ldapsam_endsampwent(struct pdb_methods *my_methods) { - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; if (ldap_state->result) { ldap_msgfree(ldap_state->result); ldap_state->result = NULL; @@ -1060,9 +2139,13 @@ Get the next entry in the LDAP password database static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; BOOL bret = False; + /* The rebind proc needs this *HACK*. We are not multithreaded, so + this will work, but it's not nice. */ + static_ldap_state = ldap_state; + while (!bret) { if (!ldap_state->entry) return ret; @@ -1083,12 +2166,12 @@ Get SAM_ACCOUNT entry from LDAP by username static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; LDAPMessage *result; LDAPMessage *entry; int count; - if (ldapsam_search_one_user_by_name(ldap_state, sname, &result) != LDAP_SUCCESS) { + if (ldapsam_search_suffix_by_name(ldap_state, sname, &result) != LDAP_SUCCESS) { return NT_STATUS_NO_SUCH_USER; } @@ -1122,31 +2205,43 @@ static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT } /********************************************************************** -Get SAM_ACCOUNT entry from LDAP by rid +Get SAM_ACCOUNT entry from LDAP by SID *********************************************************************/ -static NTSTATUS ldapsam_getsampwrid(struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid) +static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)my_methods->private_data; LDAPMessage *result; LDAPMessage *entry; + fstring sid_string; int count; - - if (ldapsam_search_one_user_by_rid(ldap_state, rid, &result) != LDAP_SUCCESS) { - return NT_STATUS_NO_SUCH_USER; + + if (ldap_state->use_ntsid) { + if (ldapsam_search_suffix_by_sid(ldap_state, sid, &result) != LDAP_SUCCESS) { + return NT_STATUS_NO_SUCH_USER; + } + } else { + uint32 rid; + if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) { + return NT_STATUS_NO_SUCH_USER; + } + + if (ldapsam_search_suffix_by_rid(ldap_state, rid, &result) != LDAP_SUCCESS) { + return NT_STATUS_NO_SUCH_USER; + } } - + count = ldap_count_entries(ldap_state->ldap_struct, result); - + if (count < 1) { DEBUG(4, - ("We don't find this rid [%i] count=%d\n", rid, + ("We don't find this SID [%s] count=%d\n", sid_to_string(sid_string, sid), count)); return NT_STATUS_NO_SUCH_USER; } else if (count > 1) { DEBUG(1, - ("More than one user with rid [%i]. Failing. count=%d\n", rid, + ("More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid), count)); return NT_STATUS_NO_SUCH_USER; } @@ -1164,14 +2259,6 @@ static NTSTATUS ldapsam_getsampwrid(struct pdb_methods *my_methods, SAM_ACCOUNT ldap_msgfree(result); } return ret; -} - -static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) -{ - uint32 rid; - if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) - return NT_STATUS_NO_SUCH_USER; - return ldapsam_getsampwrid(my_methods, user, rid); } /******************************************************************** @@ -1181,9 +2268,11 @@ it it set. static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd, char *dn, - LDAPMod **mods, int ldap_op, BOOL pdb_add) + LDAPMod **mods, int ldap_op, + BOOL (*need_update)(const SAM_ACCOUNT *, + enum pdb_elements)) { - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; int rc; if (!my_methods || !newpwd || !dn) { @@ -1197,15 +2286,15 @@ static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods, switch(ldap_op) { case LDAP_MOD_ADD: - smb_ldap_make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "account"); - rc = smb_ldap_add(ldap_state, dn, mods); + make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "account"); + rc = ldapsam_add(ldap_state, dn, mods); break; case LDAP_MOD_REPLACE: - rc = smb_ldap_modify(ldap_state, dn ,mods); + rc = ldapsam_modify(ldap_state, dn ,mods); break; default: DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op)); - return NT_STATUS_UNSUCCESSFUL; + return NT_STATUS_INVALID_PARAMETER; } if (rc!=LDAP_SUCCESS) { @@ -1223,38 +2312,57 @@ static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods, } #ifdef LDAP_EXOP_X_MODIFY_PASSWD - if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))&& - (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_OFF)&& - need_ldap_mod(pdb_add, newpwd, PDB_PLAINTEXT_PW)&& + if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) && + (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) && + need_update(newpwd, PDB_PLAINTEXT_PW) && (pdb_get_plaintext_passwd(newpwd)!=NULL)) { BerElement *ber; struct berval *bv; char *retoid; struct berval *retdata; + char *utf8_password; + char *utf8_dn; + + if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) { + return NT_STATUS_NO_MEMORY; + } + + if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) { + return NT_STATUS_NO_MEMORY; + } if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) { DEBUG(0,("ber_alloc_t returns NULL\n")); + SAFE_FREE(utf8_password); return NT_STATUS_UNSUCCESSFUL; } + ber_printf (ber, "{"); - ber_printf (ber, "ts", LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID,dn); - ber_printf (ber, "ts", LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, pdb_get_plaintext_passwd(newpwd)); + ber_printf (ber, "ts", LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID, utf8_dn); + ber_printf (ber, "ts", LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, utf8_password); ber_printf (ber, "N}"); if ((rc = ber_flatten (ber, &bv))<0) { DEBUG(0,("ber_flatten returns a value <0\n")); + ber_free(ber,1); + SAFE_FREE(utf8_dn); + SAFE_FREE(utf8_password); return NT_STATUS_UNSUCCESSFUL; } - ber_free(ber,1); + SAFE_FREE(utf8_dn); + SAFE_FREE(utf8_password); + ber_free(ber, 1); - if ((rc = smb_ldap_extended_operation(ldap_state, LDAP_EXOP_X_MODIFY_PASSWD, + if ((rc = ldapsam_extended_operation(ldap_state, LDAP_EXOP_X_MODIFY_PASSWD, bv, NULL, NULL, &retoid, &retdata))!=LDAP_SUCCESS) { DEBUG(0,("LDAP Password could not be changed for user %s: %s\n", pdb_get_username(newpwd),ldap_err2string(rc))); } else { DEBUG(3,("LDAP Password changed for user %s\n",pdb_get_username(newpwd))); - +#ifdef DEBUG_PASSWORD + DEBUG(100,("LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd))); +#endif ber_bvfree(retdata); ber_memfree(retoid); } @@ -1271,7 +2379,7 @@ Delete entry from LDAP for username *********************************************************************/ static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct) { - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; const char *sname; int rc; LDAPMessage *result; @@ -1280,7 +2388,7 @@ static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_A { "lmPassword", "ntPassword", "pwdLastSet", "logonTime", "logoffTime", "kickoffTime", "pwdCanChange", "pwdMustChange", "acctFlags", "displayName", "smbHome", "homeDrive", "scriptPath", "profilePath", - "userWorkstations", "primaryGroupID", "domain", "rid", NULL }; + "userWorkstations", "primaryGroupID", "domain", "rid", "ntSid", NULL }; if (!sam_acct) { DEBUG(0, ("sam_acct was NULL!\n")); @@ -1291,7 +2399,7 @@ static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_A DEBUG (3, ("Deleting user %s from LDAP.\n", sname)); - rc = ldapsam_search_one_user_by_name(ldap_state, sname, &result); + rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result); if (rc != LDAP_SUCCESS) { return NT_STATUS_NO_SUCH_USER; } @@ -1318,14 +2426,14 @@ Update SAM_ACCOUNT static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; int rc; char *dn; LDAPMessage *result; LDAPMessage *entry; LDAPMod **mods; - rc = ldapsam_search_one_user_by_name(ldap_state, pdb_get_username(newpwd), &result); + rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result); if (rc != LDAP_SUCCESS) { return NT_STATUS_UNSUCCESSFUL; } @@ -1355,7 +2463,7 @@ static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_A return NT_STATUS_OK; } - ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, False); + ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed); ldap_mods_free(mods,1); if (!NT_STATUS_IS_OK(ret)) { @@ -1390,7 +2498,7 @@ Add SAM_ACCOUNT to LDAP static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; int rc; pstring filter; LDAPMessage *result = NULL; @@ -1406,7 +2514,7 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO return NT_STATUS_INVALID_PARAMETER; } - rc = ldapsam_search_one_user_by_name (ldap_state, username, &result); + rc = ldapsam_search_suffix_by_name (ldap_state, username, &result); if (rc != LDAP_SUCCESS) { return NT_STATUS_UNSUCCESSFUL; } @@ -1420,7 +2528,7 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO ldap_msgfree(result); slprintf (filter, sizeof (filter) - 1, "uid=%s", username); - rc = ldapsam_search_one_user(ldap_state, filter, &result); + rc = ldapsam_search_suffix(ldap_state, filter, attr, &result); if (rc != LDAP_SUCCESS) { return NT_STATUS_UNSUCCESSFUL; } @@ -1468,9 +2576,9 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO return NT_STATUS_UNSUCCESSFUL; } - smb_ldap_make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaAccount"); + make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaAccount"); - ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, True); + ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed); if (NT_STATUS_IS_ERR(ret)) { DEBUG(0,("failed to modify/add user with uid = %s (dn = %s)\n", pdb_get_username(newpwd),dn)); @@ -1485,15 +2593,15 @@ static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCO static void free_private_data(void **vp) { - struct smb_ldap_privates **ldap_state = (struct smb_ldap_privates **)vp; + struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp; - smb_ldap_close(*ldap_state); + ldapsam_close(*ldap_state); if ((*ldap_state)->bind_secret) { memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret)); } - smb_ldap_close(*ldap_state); + ldapsam_close(*ldap_state); SAFE_FREE((*ldap_state)->bind_dn); SAFE_FREE((*ldap_state)->bind_secret); @@ -1508,7 +2616,7 @@ static const char *group_attr[] = {"cn", "ntSid", "ntGroupType", "displayName", "description", NULL }; -static int ldapsam_search_one_group (struct smb_ldap_privates *ldap_state, +static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state, const char *filter, LDAPMessage ** result) { @@ -1517,7 +2625,7 @@ static int ldapsam_search_one_group (struct smb_ldap_privates *ldap_state, DEBUG(2, ("ldapsam_search_one_group: searching for:[%s]\n", filter)); - rc = smb_ldap_search(ldap_state, lp_ldap_suffix (), scope, + rc = ldapsam_search(ldap_state, lp_ldap_suffix (), scope, filter, group_attr, 0, result); if (rc != LDAP_SUCCESS) { @@ -1535,7 +2643,7 @@ static int ldapsam_search_one_group (struct smb_ldap_privates *ldap_state, return rc; } -static BOOL init_group_from_ldap(struct smb_ldap_privates *ldap_state, +static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state, GROUP_MAP *map, LDAPMessage *entry) { pstring temp; @@ -1546,7 +2654,7 @@ static BOOL init_group_from_ldap(struct smb_ldap_privates *ldap_state, return False; } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "gidNumber", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "gidNumber", temp)) { DEBUG(0, ("Mandatory attribute gidNumber not found\n")); return False; @@ -1555,14 +2663,14 @@ static BOOL init_group_from_ldap(struct smb_ldap_privates *ldap_state, map->gid = (gid_t)atol(temp); - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "ntSid", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "ntSid", temp)) { DEBUG(0, ("Mandatory attribute ntSid not found\n")); return False; } string_to_sid(&map->sid, temp); - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "ntGroupType", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "ntGroupType", temp)) { DEBUG(0, ("Mandatory attribute ntGroupType not found\n")); return False; @@ -1575,11 +2683,11 @@ static BOOL init_group_from_ldap(struct smb_ldap_privates *ldap_state, return False; } - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "displayName", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "displayName", temp)) { DEBUG(3, ("Attribute displayName not found\n")); temp[0] = '\0'; - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "cn", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "cn", temp)) { DEBUG(0, ("Attributes cn not found either " "for gidNumber(%i)\n",map->gid)); @@ -1588,7 +2696,7 @@ static BOOL init_group_from_ldap(struct smb_ldap_privates *ldap_state, } fstrcpy(map->nt_name, temp); - if (!smb_ldap_get_single_attribute(ldap_state->ldap_struct, entry, "description", + if (!get_single_attribute(ldap_state->ldap_struct, entry, "description", temp)) { DEBUG(3, ("Attribute description not found\n")); temp[0] = '\0'; @@ -1630,8 +2738,8 @@ static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods, const char *filter, GROUP_MAP *map) { - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; LDAPMessage *result; LDAPMessage *entry; int count; @@ -1710,7 +2818,7 @@ static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map, return ldapsam_getgroup(methods, filter, map); } -static int ldapsam_search_one_group_by_gid(struct smb_ldap_privates *ldap_state, +static int ldapsam_search_one_group_by_gid(struct ldapsam_privates *ldap_state, gid_t gid, LDAPMessage **result) { @@ -1725,8 +2833,8 @@ static int ldapsam_search_one_group_by_gid(struct smb_ldap_privates *ldap_state, static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; LDAPMessage *result = NULL; LDAPMod **mods = NULL; @@ -1776,10 +2884,10 @@ static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods, return NT_STATUS_UNSUCCESSFUL; } - smb_ldap_make_a_mod(&mods, LDAP_MOD_ADD, "objectClass", + make_a_mod(&mods, LDAP_MOD_ADD, "objectClass", "sambaGroupMapping"); - rc = smb_ldap_modify(ldap_state, dn, mods); + rc = ldapsam_modify(ldap_state, dn, mods); ldap_mods_free(mods, 1); if (rc != LDAP_SUCCESS) { @@ -1799,8 +2907,8 @@ static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods, static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods, GROUP_MAP *map) { - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; int rc; char *dn; LDAPMessage *result; @@ -1836,7 +2944,7 @@ static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods, return NT_STATUS_UNSUCCESSFUL; } - rc = smb_ldap_modify(ldap_state, dn, mods); + rc = ldapsam_modify(ldap_state, dn, mods); ldap_mods_free(mods, 1); @@ -1856,8 +2964,8 @@ static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods, static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods, DOM_SID sid) { - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)methods->private_data; pstring sidstring, filter; LDAPMessage *result; int rc; @@ -1885,12 +2993,12 @@ static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods, static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, BOOL update) { - struct smb_ldap_privates *ldap_state = - (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = + (struct ldapsam_privates *)my_methods->private_data; const char *filter = "(objectClass=sambaGroupMapping)"; int rc; - rc = smb_ldap_search(ldap_state, lp_ldap_suffix(), + rc = ldapsam_search(ldap_state, lp_ldap_suffix(), LDAP_SCOPE_SUBTREE, filter, group_attr, 0, &ldap_state->result); @@ -1922,9 +3030,13 @@ static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods, GROUP_MAP *map) { NTSTATUS ret = NT_STATUS_UNSUCCESSFUL; - struct smb_ldap_privates *ldap_state = (struct smb_ldap_privates *)my_methods->private_data; + struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data; BOOL bret = False; + /* The rebind proc needs this *HACK*. We are not multithreaded, so + this will work, but it's not nice. */ + static_ldap_state = ldap_state; + while (!bret) { if (!ldap_state->entry) return ret; @@ -1989,11 +3101,10 @@ static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods, return NT_STATUS_OK; } -NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +static NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) { NTSTATUS nt_status; - struct smb_ldap_privates *ldap_state; - uint32 low_nua_uid, high_nua_uid; + struct ldapsam_privates *ldap_state; if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { return nt_status; @@ -2020,7 +3131,7 @@ NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, co /* TODO: Setup private data and free */ - ldap_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct smb_ldap_privates)); + ldap_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct ldapsam_privates)); if (!ldap_state) { DEBUG(0, ("talloc() failed for ldapsam private_data!\n")); @@ -2029,8 +3140,46 @@ NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, co if (location) { ldap_state->uri = talloc_strdup(pdb_context->mem_ctx, location); -#ifdef WITH_LDAP_SAMCONFIG } else { + ldap_state->uri = "ldap://localhost"; + } + + ldap_state->domain_name = talloc_strdup(pdb_context->mem_ctx, lp_workgroup()); + if (!ldap_state->domain_name) { + return NT_STATUS_NO_MEMORY; + } + + sid_copy(&ldap_state->domain_sid, get_global_sam_sid()); + + ldap_state->use_ntsid = True; + + (*pdb_method)->private_data = ldap_state; + + (*pdb_method)->free_private_data = free_private_data; + + return NT_STATUS_OK; +} + +static NTSTATUS pdb_init_ldapsam_compat(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct ldapsam_privates *ldap_state; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam(pdb_context, pdb_method, location))) { + return nt_status; + } + + (*pdb_method)->name = "ldapsam_compat"; + + ldap_state = (*pdb_method)->private_data; + ldap_state->use_ntsid = False; + + if (location) { + ldap_state->uri = talloc_strdup(pdb_context->mem_ctx, location); + } else { +#ifndef WITH_LDAP_SAMCONFIG + ldap_state->uri = "ldap://localhost"; +#else int ldap_port = lp_ldap_port(); /* remap default port if not using SSL (ie clear or TLS) */ @@ -2042,31 +3191,56 @@ NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, co if (!ldap_state->uri) { return NT_STATUS_NO_MEMORY; } -#else - } else { - ldap_state->uri = "ldap://localhost"; #endif } - (*pdb_method)->private_data = ldap_state; + return NT_STATUS_OK; +} - (*pdb_method)->free_private_data = free_private_data; +static NTSTATUS pdb_init_ldapsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct ldapsam_privates *ldap_state; + uint32 low_winbind_uid, high_winbind_uid; + uint32 low_winbind_gid, high_winbind_gid; - if (lp_idmap_uid(&low_nua_uid, &high_nua_uid)) { - DEBUG(0, ("idmap uid range defined, non unix accounts enabled\n")); + if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam(pdb_context, pdb_method, location))) { + return nt_status; + } - ldap_state->permit_non_unix_accounts = True; - - ldap_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid); + (*pdb_method)->name = "ldapsam_nua"; - ldap_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid); + ldap_state = (*pdb_method)->private_data; + + ldap_state->permit_non_unix_accounts = True; + + /* We know these uids can't turn up as allogorithmic RIDs */ + if (!lp_winbind_uid(&low_winbind_uid, &high_winbind_uid)) { + DEBUG(0, ("cannot use ldapsam_nua without 'winbind uid' range in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; } + /* We know these gids can't turn up as allogorithmic RIDs */ + if (!lp_winbind_gid(&low_winbind_gid, &high_winbind_gid)) { + DEBUG(0, ("cannot use ldapsam_nua without 'wibnind gid' range in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + ldap_state->low_allocated_user_rid=fallback_pdb_uid_to_user_rid(low_winbind_uid); + + ldap_state->high_allocated_user_rid=fallback_pdb_uid_to_user_rid(high_winbind_uid); + + ldap_state->low_allocated_group_rid=pdb_gid_to_group_rid(low_winbind_gid); + + ldap_state->high_allocated_group_rid=pdb_gid_to_group_rid(high_winbind_gid); + return NT_STATUS_OK; } int pdb_ldap_init(void) { smb_register_passdb("ldapsam", pdb_init_ldapsam, PASSDB_INTERFACE_VERSION); + smb_register_passdb("ldapsam_compat", pdb_init_ldapsam_compat, PASSDB_INTERFACE_VERSION); + smb_register_passdb("ldapsam_nua", pdb_init_ldapsam_nua, PASSDB_INTERFACE_VERSION); return True; } diff --git a/source3/passdb/pdb_plugin.c b/source3/passdb/pdb_plugin.c new file mode 100644 index 0000000000..ea67da23a5 --- /dev/null +++ b/source3/passdb/pdb_plugin.c @@ -0,0 +1,78 @@ +/* + Unix SMB/CIFS implementation. + Loadable passdb module interface. + Copyright (C) Jelmer Vernooij 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" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_PASSDB + +NTSTATUS pdb_init_plugin(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + void * dl_handle; + char *plugin_location, *plugin_name, *p; + pdb_init_function plugin_init; + int (*plugin_version)(void); + + if (location == NULL) { + DEBUG(0, ("The plugin module needs an argument!\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + plugin_name = smb_xstrdup(location); + p = strchr(plugin_name, ':'); + if (p) { + *p = 0; + plugin_location = p+1; + trim_string(plugin_location, " ", " "); + } else plugin_location = NULL; + trim_string(plugin_name, " ", " "); + + DEBUG(5, ("Trying to load sam plugin %s\n", plugin_name)); + dl_handle = sys_dlopen(plugin_name, RTLD_NOW ); + if (!dl_handle) { + DEBUG(0, ("Failed to load sam plugin %s using sys_dlopen (%s)\n", plugin_name, sys_dlerror())); + return NT_STATUS_UNSUCCESSFUL; + } + + plugin_version = sys_dlsym(dl_handle, "pdb_version"); + if (!plugin_version) { + sys_dlclose(dl_handle); + DEBUG(0, ("Failed to find function 'pdb_version' using sys_dlsym in sam plugin %s (%s)\n", plugin_name, sys_dlerror())); + return NT_STATUS_UNSUCCESSFUL; + } + + if (plugin_version() != PASSDB_INTERFACE_VERSION) { + sys_dlclose(dl_handle); + DEBUG(0, ("Wrong PASSDB_INTERFACE_VERSION! sam plugin has version %d and version %d is needed! Please update!\n", + plugin_version(),PASSDB_INTERFACE_VERSION)); + return NT_STATUS_UNSUCCESSFUL; + } + + plugin_init = sys_dlsym(dl_handle, "pdb_init"); + if (!plugin_init) { + sys_dlclose(dl_handle); + DEBUG(0, ("Failed to find function 'pdb_init' using sys_dlsym in sam plugin %s (%s)\n", plugin_name, sys_dlerror())); + return NT_STATUS_UNSUCCESSFUL; + } + + DEBUG(5, ("Starting sam plugin %s with location %s\n", plugin_name, plugin_location)); + return plugin_init(pdb_context, pdb_method, plugin_location); +} diff --git a/source3/passdb/pdb_smbpasswd.c b/source3/passdb/pdb_smbpasswd.c index 38bb61957c..177621db1c 100644 --- a/source3/passdb/pdb_smbpasswd.c +++ b/source3/passdb/pdb_smbpasswd.c @@ -1554,9 +1554,27 @@ NTSTATUS pdb_init_smbpasswd(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, (*pdb_method)->free_private_data = free_private_data; - if (lp_idmap_uid(&privates->low_nua_userid, &privates->high_nua_userid)) { - DEBUG(0, ("idmap uid range defined, non unix accounts enabled\n")); - privates->permit_non_unix_accounts = True; + return NT_STATUS_OK; +} + +NTSTATUS pdb_init_smbpasswd_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct smbpasswd_privates *privates; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_smbpasswd(pdb_context, pdb_method, location))) { + return nt_status; + } + + (*pdb_method)->name = "smbpasswd_nua"; + + privates = (*pdb_method)->private_data; + + privates->permit_non_unix_accounts = True; + + if (!lp_winbind_uid(&privates->low_nua_userid, &privates->high_nua_userid)) { + DEBUG(0, ("cannot use smbpasswd_nua without 'winbind uid' range in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; } return NT_STATUS_OK; @@ -1565,5 +1583,6 @@ NTSTATUS pdb_init_smbpasswd(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, int pdb_smbpasswd_init(void) { smb_register_passdb("smbpasswd", pdb_init_smbpasswd, PASSDB_INTERFACE_VERSION); + smb_register_passdb("smbpasswd_nua", pdb_init_smbpasswd_nua, PASSDB_INTERFACE_VERSION); return True; } diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c index 41c6bbd429..300b4e8f7d 100644 --- a/source3/passdb/pdb_tdb.c +++ b/source3/passdb/pdb_tdb.c @@ -912,7 +912,14 @@ NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, con { NTSTATUS nt_status; struct tdbsam_privates *tdb_state; - uint32 low_nua_uid, high_nua_uid; + +#if 0 /* when made a module use this */ + tdbsam_debug_level = debug_add_class("tdbsam"); + if(tdbsam_debug_level == -1) { + tdbsam_debug_level = DBGC_ALL; + DEBUG(0, ("tdbsam: Couldn't register custom debugging class!\n")); + } +#endif if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { return nt_status; @@ -952,23 +959,41 @@ NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, con (*pdb_method)->free_private_data = free_private_data; - if (lp_idmap_uid(&low_nua_uid, &high_nua_uid)) { - DEBUG(0, ("idmap uid range defined, non unix accounts enabled\n")); + return NT_STATUS_OK; +} + +NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) +{ + NTSTATUS nt_status; + struct tdbsam_privates *tdb_state; + uint32 low_nua_uid, high_nua_uid; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) { + return nt_status; + } - tdb_state->permit_non_unix_accounts = True; + (*pdb_method)->name = "tdbsam_nua"; - tdb_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid); + tdb_state = (*pdb_method)->private_data; - tdb_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid); + tdb_state->permit_non_unix_accounts = True; + if (!lp_winbind_uid(&low_nua_uid, &high_nua_uid)) { + DEBUG(0, ("cannot use tdbsam_nua without 'winbind uid' range in smb.conf!\n")); + return NT_STATUS_UNSUCCESSFUL; } + tdb_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid); + + tdb_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid); + return NT_STATUS_OK; } int pdb_tdbsam_init(void) { - smb_register_passdb("tdbsam", pdb_init_tdbsam, PASSDB_INTERFACE_VERSION); + smb_register_passdb("tdbsam", pdb_init_tdbsam, PASSDB_INTERFACE_VERSION); + smb_register_passdb("tdbsam_nua", pdb_init_tdbsam_nua, PASSDB_INTERFACE_VERSION); return True; } diff --git a/source3/passdb/pdb_unix.c b/source3/passdb/pdb_unix.c deleted file mode 100644 index ed83024248..0000000000 --- a/source3/passdb/pdb_unix.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Unix password backend for samba - * Copyright (C) Jelmer Vernooij 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" - -/****************************************************************** - Lookup a name in the SAM database - ******************************************************************/ - -static NTSTATUS unixsam_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname) -{ - struct passwd *pass; - if (!methods) { - DEBUG(0,("invalid methods\n")); - return NT_STATUS_UNSUCCESSFUL; - } - if (!sname) { - DEBUG(0,("invalid name specified")); - return NT_STATUS_UNSUCCESSFUL; - } - pass = Get_Pwnam(sname); - - return pdb_fill_sam_pw(user, pass); -} - - -/*************************************************************************** - Search by rid - **************************************************************************/ - -static NTSTATUS unixsam_getsampwrid (struct pdb_methods *methods, - SAM_ACCOUNT *user, uint32 rid) -{ - NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; - struct passwd *pass = NULL; - const char *guest_account = lp_guestaccount(); - if (!(guest_account && *guest_account)) { - DEBUG(1, ("NULL guest account!?!?\n")); - return nt_status; - } - - if (!methods) { - DEBUG(0,("invalid methods\n")); - return nt_status; - } - - if (rid == DOMAIN_USER_RID_GUEST) { - pass = getpwnam_alloc(guest_account); - if (!pass) { - DEBUG(1, ("guest account %s does not seem to exist...\n", guest_account)); - return nt_status; - } - } else if (pdb_rid_is_user(rid)) { - pass = getpwuid_alloc(fallback_pdb_user_rid_to_uid (rid)); - } - - if (pass == NULL) { - return nt_status; - } - - nt_status = pdb_fill_sam_pw(user, pass); - passwd_free(&pass); - - return nt_status; -} - -static NTSTATUS unixsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) -{ - uint32 rid; - if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) - return NT_STATUS_UNSUCCESSFUL; - return unixsam_getsampwrid(my_methods, user, rid); -} - -/*************************************************************************** - Updates a SAM_ACCOUNT - - This isn't a particulary practical option for pdb_unix. We certainly don't - want to twidde the filesystem, so what should we do? - - Current plan is to transparently add the account. It should appear - as if the pdb_unix version was modified, but its actually stored somehwere. - ****************************************************************************/ - -static NTSTATUS unixsam_update_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd) -{ - return methods->parent->pdb_add_sam_account(methods->parent, newpwd); -} - -NTSTATUS pdb_init_unixsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) -{ - NTSTATUS nt_status; - - if (!pdb_context) { - DEBUG(0, ("invalid pdb_context specified\n")); - return NT_STATUS_UNSUCCESSFUL; - } - - if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { - return nt_status; - } - - (*pdb_method)->name = "unixsam"; - (*pdb_method)->update_sam_account = unixsam_update_sam_account; - (*pdb_method)->getsampwnam = unixsam_getsampwnam; - (*pdb_method)->getsampwsid = unixsam_getsampwsid; - - /* There's not very much to initialise here */ - return NT_STATUS_OK; -} - -int pdb_unix_init(void) -{ - return smb_register_passdb("unixsam", pdb_init_unixsam, PASSDB_INTERFACE_VERSION); -} diff --git a/source3/passdb/pdb_xml.c b/source3/passdb/pdb_xml.c index bde2d14a85..24e871a24c 100644 --- a/source3/passdb/pdb_xml.c +++ b/source3/passdb/pdb_xml.c @@ -524,7 +524,7 @@ static NTSTATUS xmlsam_init(PDB_CONTEXT * pdb_context, PDB_METHODS ** pdb_method return nt_status; } - (*pdb_method)->name = "xmlsam"; + (*pdb_method)->name = "xml"; (*pdb_method)->setsampwent = xmlsam_setsampwent; (*pdb_method)->endsampwent = xmlsam_endsampwent; |