diff options
Diffstat (limited to 'source4/utils/net_rpc_samsync.c')
| -rw-r--r-- | source4/utils/net_rpc_samsync.c | 725 |
1 files changed, 725 insertions, 0 deletions
diff --git a/source4/utils/net_rpc_samsync.c b/source4/utils/net_rpc_samsync.c new file mode 100644 index 0000000000..7d5c8681ad --- /dev/null +++ b/source4/utils/net_rpc_samsync.c @@ -0,0 +1,725 @@ +/* + Unix SMB/CIFS implementation. + dump the remote SAM using rpc samsync operations + + Copyright (C) Andrew Tridgell 2002 + Copyright (C) Tim Potter 2001,2002 + Modified by Volker Lendecke 2002 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" +#include "../utils/net.h" + +extern DOM_SID global_sid_Builtin; + +static void display_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *g) +{ + int i; + d_printf("Group mem %u: ", rid); + for (i=0;i<g->num_members;i++) { + d_printf("%u ", g->rids[i]); + } + d_printf("\n"); +} + +static void display_alias_info(uint32 rid, SAM_ALIAS_INFO *a) +{ + d_printf("Alias '%s' ", unistr2_static(&a->uni_als_name)); + d_printf("desc='%s' rid=%u\n", unistr2_static(&a->uni_als_desc), a->als_rid); +} + +static void display_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *a) +{ + int i; + d_printf("Alias rid %u: ", rid); + for (i=0;i<a->num_members;i++) { + d_printf("%s ", sid_string_static(&a->sids[i].sid)); + } + d_printf("\n"); +} + +static void display_account_info(uint32 rid, SAM_ACCOUNT_INFO *a) +{ + fstring hex_nt_passwd, hex_lm_passwd; + uchar lm_passwd[16], nt_passwd[16]; + static uchar zero_buf[16]; + + /* Decode hashes from password hash (if they are not NULL) */ + + if (memcmp(a->pass.buf_lm_pwd, zero_buf, 16) != 0) { + sam_pwd_hash(a->user_rid, a->pass.buf_lm_pwd, lm_passwd, 0); + smbpasswd_sethexpwd(hex_lm_passwd, lm_passwd, a->acb_info); + } else { + smbpasswd_sethexpwd(hex_lm_passwd, NULL, 0); + } + + if (memcmp(a->pass.buf_nt_pwd, zero_buf, 16) != 0) { + sam_pwd_hash(a->user_rid, a->pass.buf_nt_pwd, nt_passwd, 0); + smbpasswd_sethexpwd(hex_nt_passwd, nt_passwd, a->acb_info); + } else { + smbpasswd_sethexpwd(hex_nt_passwd, NULL, 0); + } + + printf("%s:%d:%s:%s:%s:LCT-0\n", unistr2_static(&a->uni_acct_name), + a->user_rid, hex_lm_passwd, hex_nt_passwd, + smbpasswd_encode_acb_info(a->acb_info)); +} + +static void display_domain_info(SAM_DOMAIN_INFO *a) +{ + d_printf("Domain name: %s\n", unistr2_static(&a->uni_dom_name)); +} + +static void display_group_info(uint32 rid, SAM_GROUP_INFO *a) +{ + d_printf("Group '%s' ", unistr2_static(&a->uni_grp_name)); + d_printf("desc='%s', rid=%u\n", unistr2_static(&a->uni_grp_desc), rid); +} + +static void display_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta) +{ + switch (hdr_delta->type) { + case SAM_DELTA_ACCOUNT_INFO: + display_account_info(hdr_delta->target_rid, &delta->account_info); + break; + case SAM_DELTA_GROUP_MEM: + display_group_mem_info(hdr_delta->target_rid, &delta->grp_mem_info); + break; + case SAM_DELTA_ALIAS_INFO: + display_alias_info(hdr_delta->target_rid, &delta->alias_info); + break; + case SAM_DELTA_ALIAS_MEM: + display_alias_mem(hdr_delta->target_rid, &delta->als_mem_info); + break; + case SAM_DELTA_DOMAIN_INFO: + display_domain_info(&delta->domain_info); + break; + case SAM_DELTA_GROUP_INFO: + display_group_info(hdr_delta->target_rid, &delta->group_info); + break; + default: + d_printf("Unknown delta record type %d\n", hdr_delta->type); + break; + } +} + + +static void dump_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds) +{ + unsigned sync_context = 0; + NTSTATUS result; + int i; + TALLOC_CTX *mem_ctx; + SAM_DELTA_HDR *hdr_deltas; + SAM_DELTA_CTR *deltas; + uint32 num_deltas; + + if (!(mem_ctx = talloc_init("dump_database"))) { + return; + } + + d_printf("Dumping database %u\n", db_type); + + do { + result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, db_type, + sync_context, + &num_deltas, &hdr_deltas, &deltas); + clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), ret_creds); + for (i = 0; i < num_deltas; i++) { + display_sam_entry(&hdr_deltas[i], &deltas[i]); + } + sync_context += 1; + } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)); + + talloc_destroy(mem_ctx); +} + +/* dump sam database via samsync rpc calls */ +int rpc_samdump(int argc, const char **argv) +{ + NTSTATUS result; + struct cli_state *cli = NULL; + uchar trust_password[16]; + DOM_CRED ret_creds; + uint32 neg_flags = 0x000001ff; + + + ZERO_STRUCT(ret_creds); + + /* Connect to remote machine */ + if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | NET_FLAGS_PDC))) { + return 1; + } + + if (!cli_nt_session_open(cli, PI_NETLOGON)) { + DEBUG(0,("Error connecting to NETLOGON pipe\n")); + goto fail; + } + + if (!secrets_fetch_trust_account_password(lp_workgroup(), trust_password, NULL)) { + d_printf("Could not retrieve domain trust secret\n"); + goto fail; + } + + result = cli_nt_setup_creds(cli, SEC_CHAN_BDC, trust_password, &neg_flags, 2); + if (!NT_STATUS_IS_OK(result)) { + d_printf("Failed to setup BDC creds\n"); + goto fail; + } + + dump_database(cli, SAM_DATABASE_DOMAIN, &ret_creds); + dump_database(cli, SAM_DATABASE_BUILTIN, &ret_creds); + dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); + + cli_nt_session_close(cli); + + return 0; + +fail: + if (cli) { + cli_nt_session_close(cli); + } + return -1; +} + +/* Convert a SAM_ACCOUNT_DELTA to a SAM_ACCOUNT. */ + +static NTSTATUS +sam_account_from_delta(SAM_ACCOUNT *account, SAM_ACCOUNT_INFO *delta) +{ + fstring s; + uchar lm_passwd[16], nt_passwd[16]; + static uchar zero_buf[16]; + + /* Username, fullname, home dir, dir drive, logon script, acct + desc, workstations, profile. */ + + unistr2_to_ascii(s, &delta->uni_acct_name, sizeof(s) - 1); + pdb_set_nt_username(account, s, PDB_CHANGED); + + /* Unix username is the same - for sainity */ + pdb_set_username(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_full_name, sizeof(s) - 1); + pdb_set_fullname(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_home_dir, sizeof(s) - 1); + pdb_set_homedir(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_dir_drive, sizeof(s) - 1); + pdb_set_dir_drive(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_logon_script, sizeof(s) - 1); + pdb_set_logon_script(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_acct_desc, sizeof(s) - 1); + pdb_set_acct_desc(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_workstations, sizeof(s) - 1); + pdb_set_workstations(account, s, PDB_CHANGED); + + unistr2_to_ascii(s, &delta->uni_profile, sizeof(s) - 1); + pdb_set_profile_path(account, s, PDB_CHANGED); + + /* User and group sid */ + + pdb_set_user_sid_from_rid(account, delta->user_rid, PDB_CHANGED); + pdb_set_group_sid_from_rid(account, delta->group_rid, PDB_CHANGED); + + /* Logon and password information */ + + pdb_set_logon_time(account, nt_time_to_unix(&delta->logon_time), PDB_CHANGED); + pdb_set_logoff_time(account, nt_time_to_unix(&delta->logoff_time), + PDB_CHANGED); + pdb_set_logon_divs(account, delta->logon_divs, PDB_CHANGED); + + /* TODO: logon hours */ + /* TODO: bad password count */ + /* TODO: logon count */ + + pdb_set_pass_last_set_time( + account, nt_time_to_unix(&delta->pwd_last_set_time), PDB_CHANGED); + + pdb_set_kickoff_time(account, get_time_t_max(), PDB_CHANGED); + + /* Decode hashes from password hash + Note that win2000 may send us all zeros for the hashes if it doesn't + think this channel is secure enough - don't set the passwords at all + in that case + */ + if (memcmp(delta->pass.buf_lm_pwd, zero_buf, 16) != 0) { + sam_pwd_hash(delta->user_rid, delta->pass.buf_lm_pwd, lm_passwd, 0); + pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED); + } + + if (memcmp(delta->pass.buf_nt_pwd, zero_buf, 16) != 0) { + sam_pwd_hash(delta->user_rid, delta->pass.buf_nt_pwd, nt_passwd, 0); + pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED); + } + + /* TODO: account expiry time */ + + pdb_set_acct_ctrl(account, delta->acb_info, PDB_CHANGED); + return NT_STATUS_OK; +} + +static NTSTATUS +fetch_account_info(uint32 rid, SAM_ACCOUNT_INFO *delta) +{ + NTSTATUS nt_ret; + fstring account; + pstring add_script; + SAM_ACCOUNT *sam_account=NULL; + GROUP_MAP map; + struct group *grp; + DOM_SID sid; + BOOL try_add = False; + + fstrcpy(account, unistr2_static(&delta->uni_acct_name)); + d_printf("Creating account: %s\n", account); + + if (!NT_STATUS_IS_OK(nt_ret = pdb_init_sam(&sam_account))) + return nt_ret; + + if (!pdb_getsampwnam(sam_account, account)) { + /* Create appropriate user */ + if (delta->acb_info & ACB_NORMAL) { + pstrcpy(add_script, lp_adduser_script()); + } else if ( (delta->acb_info & ACB_WSTRUST) || + (delta->acb_info & ACB_SVRTRUST) ) { + pstrcpy(add_script, lp_addmachine_script()); + } else { + DEBUG(1, ("Unknown user type: %s\n", + smbpasswd_encode_acb_info(delta->acb_info))); + pdb_free_sam(&sam_account); + return NT_STATUS_NO_SUCH_USER; + } + if (*add_script) { + int add_ret; + all_string_sub(add_script, "%u", account, + sizeof(account)); + add_ret = smbrun(add_script,NULL); + DEBUG(1,("fetch_account: Running the command `%s' " + "gave %d\n", add_script, add_ret)); + } + + try_add = True; + } + + sam_account_from_delta(sam_account, delta); + + if (try_add) { + if (!pdb_add_sam_account(sam_account)) { + DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n", + account)); + } + } else { + if (!pdb_update_sam_account(sam_account)) { + DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n", + account)); + } + } + + sid = *pdb_get_group_sid(sam_account); + + if (!pdb_getgrsid(&map, sid, False)) { + DEBUG(0, ("Primary group of %s has no mapping!\n", + pdb_get_username(sam_account))); + pdb_free_sam(&sam_account); + return NT_STATUS_NO_SUCH_GROUP; + } + + if (!(grp = getgrgid(map.gid))) { + DEBUG(0, ("Could not find unix group %d for user %s (group SID=%s)\n", + map.gid, pdb_get_username(sam_account), sid_string_static(&sid))); + pdb_free_sam(&sam_account); + return NT_STATUS_NO_SUCH_GROUP; + } + + smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account)); + + pdb_free_sam(&sam_account); + return NT_STATUS_OK; +} + +static NTSTATUS +fetch_group_info(uint32 rid, SAM_GROUP_INFO *delta) +{ + fstring name; + fstring comment; + struct group *grp = NULL; + DOM_SID group_sid; + fstring sid_string; + GROUP_MAP map; + BOOL insert = True; + + unistr2_to_ascii(name, &delta->uni_grp_name, sizeof(name)-1); + unistr2_to_ascii(comment, &delta->uni_grp_desc, sizeof(comment)-1); + + /* add the group to the mapping table */ + sid_copy(&group_sid, get_global_sam_sid()); + sid_append_rid(&group_sid, rid); + sid_to_string(sid_string, &group_sid); + + if (pdb_getgrsid(&map, group_sid, False)) { + grp = getgrgid(map.gid); + insert = False; + } + + if (grp == NULL) + { + gid_t gid; + + /* No group found from mapping, find it from its name. */ + if ((grp = getgrnam(name)) == NULL) { + /* No appropriate group found, create one */ + d_printf("Creating unix group: '%s'\n", name); + if (smb_create_group(name, &gid) != 0) + return NT_STATUS_ACCESS_DENIED; + if ((grp = getgrgid(gid)) == NULL) + return NT_STATUS_ACCESS_DENIED; + } + } + + map.gid = grp->gr_gid; + map.sid = group_sid; + map.sid_name_use = SID_NAME_DOM_GRP; + fstrcpy(map.nt_name, name); + fstrcpy(map.comment, comment); + + map.priv_set.count = 0; + map.priv_set.set = NULL; + + if (insert) + pdb_add_group_mapping_entry(&map); + else + pdb_update_group_mapping_entry(&map); + + return NT_STATUS_OK; +} + +static NTSTATUS +fetch_group_mem_info(uint32 rid, SAM_GROUP_MEM_INFO *delta) +{ + int i; + TALLOC_CTX *t = NULL; + char **nt_members = NULL; + char **unix_members; + DOM_SID group_sid; + GROUP_MAP map; + struct group *grp; + + if (delta->num_members == 0) { + return NT_STATUS_OK; + } + + sid_copy(&group_sid, get_global_sam_sid()); + sid_append_rid(&group_sid, rid); + + if (!get_domain_group_from_sid(group_sid, &map, False)) { + DEBUG(0, ("Could not find global group %d\n", rid)); + return NT_STATUS_NO_SUCH_GROUP; + } + + if (!(grp = getgrgid(map.gid))) { + DEBUG(0, ("Could not find unix group %d\n", map.gid)); + return NT_STATUS_NO_SUCH_GROUP; + } + + d_printf("Group members of %s: ", grp->gr_name); + + if (!(t = talloc_init("fetch_group_mem_info"))) { + DEBUG(0, ("could not talloc_init\n")); + return NT_STATUS_NO_MEMORY; + } + + nt_members = talloc_zero(t, sizeof(char *) * delta->num_members); + + for (i=0; i<delta->num_members; i++) { + NTSTATUS nt_status; + SAM_ACCOUNT *member = NULL; + DOM_SID member_sid; + + if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(t, &member))) { + talloc_destroy(t); + return nt_status; + } + + sid_copy(&member_sid, get_global_sam_sid()); + sid_append_rid(&member_sid, delta->rids[i]); + + if (!pdb_getsampwsid(member, &member_sid)) { + DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n", + delta->rids[i], sid_string_static(&member_sid), grp->gr_name)); + pdb_free_sam(&member); + continue; + } + + if (pdb_get_group_rid(member) == rid) { + d_printf("%s(primary),", pdb_get_username(member)); + pdb_free_sam(&member); + continue; + } + + d_printf("%s,", pdb_get_username(member)); + nt_members[i] = talloc_strdup(t, pdb_get_username(member)); + pdb_free_sam(&member); + } + + d_printf("\n"); + + unix_members = grp->gr_mem; + + while (*unix_members) { + BOOL is_nt_member = False; + for (i=0; i<delta->num_members; i++) { + if (nt_members[i] == NULL) { + /* This was a primary group */ + continue; + } + + if (strcmp(*unix_members, nt_members[i]) == 0) { + is_nt_member = True; + break; + } + } + if (!is_nt_member) { + /* We look at a unix group member that is not + an nt group member. So, remove it. NT is + boss here. */ + smb_delete_user_group(grp->gr_name, *unix_members); + } + unix_members += 1; + } + + for (i=0; i<delta->num_members; i++) { + BOOL is_unix_member = False; + + if (nt_members[i] == NULL) { + /* This was the primary group */ + continue; + } + + unix_members = grp->gr_mem; + + while (*unix_members) { + if (strcmp(*unix_members, nt_members[i]) == 0) { + is_unix_member = True; + break; + } + unix_members += 1; + } + + if (!is_unix_member) { + /* We look at a nt group member that is not a + unix group member currently. So, add the nt + group member. */ + smb_add_user_group(grp->gr_name, nt_members[i]); + } + } + + talloc_destroy(t); + return NT_STATUS_OK; +} + +static NTSTATUS fetch_alias_info(uint32 rid, SAM_ALIAS_INFO *delta, + DOM_SID dom_sid) +{ + fstring name; + fstring comment; + struct group *grp = NULL; + DOM_SID alias_sid; + fstring sid_string; + GROUP_MAP map; + BOOL insert = True; + + unistr2_to_ascii(name, &delta->uni_als_name, sizeof(name)-1); + unistr2_to_ascii(comment, &delta->uni_als_desc, sizeof(comment)-1); + + /* Find out whether the group is already mapped */ + sid_copy(&alias_sid, &dom_sid); + sid_append_rid(&alias_sid, rid); + sid_to_string(sid_string, &alias_sid); + + if (pdb_getgrsid(&map, alias_sid, False)) { + grp = getgrgid(map.gid); + insert = False; + } + + if (grp == NULL) { + gid_t gid; + + /* No group found from mapping, find it from its name. */ + if ((grp = getgrnam(name)) == NULL) { + /* No appropriate group found, create one */ + d_printf("Creating unix group: '%s'\n", name); + if (smb_create_group(name, &gid) != 0) + return NT_STATUS_ACCESS_DENIED; + if ((grp = getgrgid(gid)) == NULL) + return NT_STATUS_ACCESS_DENIED; + } + } + + map.gid = grp->gr_gid; + map.sid = alias_sid; + + if (sid_equal(&dom_sid, &global_sid_Builtin)) + map.sid_name_use = SID_NAME_WKN_GRP; + else + map.sid_name_use = SID_NAME_ALIAS; + + fstrcpy(map.nt_name, name); + fstrcpy(map.comment, comment); + + map.priv_set.count = 0; + map.priv_set.set = NULL; + + if (insert) + pdb_add_group_mapping_entry(&map); + else + pdb_update_group_mapping_entry(&map); + + return NT_STATUS_OK; +} + +static NTSTATUS +fetch_alias_mem(uint32 rid, SAM_ALIAS_MEM_INFO *delta, DOM_SID dom_sid) +{ + + return NT_STATUS_OK; +} + +static void +fetch_sam_entry(SAM_DELTA_HDR *hdr_delta, SAM_DELTA_CTR *delta, + DOM_SID dom_sid) +{ + switch(hdr_delta->type) { + case SAM_DELTA_ACCOUNT_INFO: + fetch_account_info(hdr_delta->target_rid, + &delta->account_info); + break; + case SAM_DELTA_GROUP_INFO: + fetch_group_info(hdr_delta->target_rid, + &delta->group_info); + break; + case SAM_DELTA_GROUP_MEM: + fetch_group_mem_info(hdr_delta->target_rid, + &delta->grp_mem_info); + break; + case SAM_DELTA_ALIAS_INFO: + fetch_alias_info(hdr_delta->target_rid, + &delta->alias_info, dom_sid); + break; + case SAM_DELTA_ALIAS_MEM: + fetch_alias_mem(hdr_delta->target_rid, + &delta->als_mem_info, dom_sid); + break; + default: + d_printf("Unknown delta record type %d\n", hdr_delta->type); + break; + } +} + +static void +fetch_database(struct cli_state *cli, unsigned db_type, DOM_CRED *ret_creds, + DOM_SID dom_sid) +{ + unsigned sync_context = 0; + NTSTATUS result; + int i; + TALLOC_CTX *mem_ctx; + SAM_DELTA_HDR *hdr_deltas; + SAM_DELTA_CTR *deltas; + uint32 num_deltas; + + if (!(mem_ctx = talloc_init("fetch_database"))) { + return; + } + + d_printf("Fetching database %u\n", db_type); + + do { + result = cli_netlogon_sam_sync(cli, mem_ctx, ret_creds, + db_type, sync_context, + &num_deltas, + &hdr_deltas, &deltas); + clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), + ret_creds); + for (i = 0; i < num_deltas; i++) { + fetch_sam_entry(&hdr_deltas[i], &deltas[i], dom_sid); + } + sync_context += 1; + } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)); + + talloc_destroy(mem_ctx); +} + +/* dump sam database via samsync rpc calls */ +int rpc_vampire(int argc, const char **argv) +{ + NTSTATUS result; + struct cli_state *cli = NULL; + uchar trust_password[16]; + DOM_CRED ret_creds; + uint32 neg_flags = 0x000001ff; + DOM_SID dom_sid; + + ZERO_STRUCT(ret_creds); + + /* Connect to remote machine */ + if (!(cli = net_make_ipc_connection(NET_FLAGS_ANONYMOUS | + NET_FLAGS_PDC))) { + return 1; + } + + if (!cli_nt_session_open(cli, PI_NETLOGON)) { + DEBUG(0,("Error connecting to NETLOGON pipe\n")); + goto fail; + } + + if (!secrets_fetch_trust_account_password(lp_workgroup(), + trust_password, NULL)) { + d_printf("Could not retrieve domain trust secret\n"); + goto fail; + } + + result = cli_nt_setup_creds(cli, SEC_CHAN_BDC, trust_password, + &neg_flags, 2); + if (!NT_STATUS_IS_OK(result)) { + d_printf("Failed to setup BDC creds\n"); + goto fail; + } + + dom_sid = *get_global_sam_sid(); + fetch_database(cli, SAM_DATABASE_DOMAIN, &ret_creds, dom_sid); + + sid_copy(&dom_sid, &global_sid_Builtin); + fetch_database(cli, SAM_DATABASE_BUILTIN, &ret_creds, dom_sid); + + /* Currently we crash on PRIVS somewhere in unmarshalling */ + /* Dump_database(cli, SAM_DATABASE_PRIVS, &ret_creds); */ + + cli_nt_session_close(cli); + + return 0; + +fail: + if (cli) { + cli_nt_session_close(cli); + } + return -1; +} |