diff options
Diffstat (limited to 'source3/rpc_server/dfs')
| -rw-r--r-- | source3/rpc_server/dfs/srv_dfs_nt.c | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/source3/rpc_server/dfs/srv_dfs_nt.c b/source3/rpc_server/dfs/srv_dfs_nt.c new file mode 100644 index 0000000..a69494e --- /dev/null +++ b/source3/rpc_server/dfs/srv_dfs_nt.c @@ -0,0 +1,594 @@ +/* + * Unix SMB/CIFS implementation. + * RPC Pipe client / server routines for Dfs + * Copyright (C) Shirish Kalele 2000. + * Copyright (C) Jeremy Allison 2001-2007. + * Copyright (C) Jelmer Vernooij 2005-2006. + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +/* This is the implementation of the dfs pipe. */ + +#include "includes.h" +#include "ntdomain.h" +#include "librpc/rpc/dcesrv_core.h" +#include "librpc/gen_ndr/ndr_dfs.h" +#include "librpc/gen_ndr/ndr_dfs_scompat.h" +#include "msdfs.h" +#include "smbd/smbd.h" +#include "smbd/globals.h" +#include "auth.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_MSDFS + +/* This function does not return a WERROR or NTSTATUS code but rather 1 if + dfs exists, or 0 otherwise. */ + +void _dfs_GetManagerVersion(struct pipes_struct *p, struct dfs_GetManagerVersion *r) +{ + if (lp_host_msdfs()) { + *r->out.version = DFS_MANAGER_VERSION_NT4; + } else { + *r->out.version = (enum dfs_ManagerVersion)0; + } +} + +WERROR _dfs_Add(struct pipes_struct *p, struct dfs_Add *r) +{ + struct dcesrv_call_state *dce_call = p->dce_call; + struct dcesrv_connection *dcesrv_conn = dce_call->conn; + const struct tsocket_address *local_address = + dcesrv_connection_get_local_address(dcesrv_conn); + const struct tsocket_address *remote_address = + dcesrv_connection_get_remote_address(dcesrv_conn); + struct auth_session_info *session_info = + dcesrv_call_session_info(dce_call); + struct junction_map *jn = NULL; + struct referral *old_referral_list = NULL; + bool self_ref = False; + size_t consumedcnt = 0; + char *altpath = NULL; + NTSTATUS status; + TALLOC_CTX *ctx = talloc_tos(); + + if (session_info->unix_token->uid != sec_initial_uid()) { + DEBUG(10,("_dfs_add: uid != 0. Access denied.\n")); + return WERR_ACCESS_DENIED; + } + + jn = talloc_zero(ctx, struct junction_map); + if (!jn) { + return WERR_NOT_ENOUGH_MEMORY; + } + + DEBUG(5,("init_reply_dfs_add: Request to add %s -> %s\\%s.\n", + r->in.path, r->in.server, r->in.share)); + + altpath = talloc_asprintf(ctx, "%s\\%s", + r->in.server, + r->in.share); + if (!altpath) { + return WERR_NOT_ENOUGH_MEMORY; + } + + /* The following call can change the cwd. */ + status = get_referred_path(ctx, + session_info, + r->in.path, + remote_address, + local_address, + true, /*allow_broken_path */ + jn, &consumedcnt, &self_ref); + if(!NT_STATUS_IS_OK(status)) { + return ntstatus_to_werror(status); + } + + jn->referral_count += 1; + old_referral_list = jn->referral_list; + + if (jn->referral_count < 1) { + return WERR_NOT_ENOUGH_MEMORY; + } + + jn->referral_list = talloc_array(ctx, struct referral, jn->referral_count); + if(jn->referral_list == NULL) { + DEBUG(0,("init_reply_dfs_add: talloc failed for referral list!\n")); + return WERR_NERR_DFSINTERNALERROR; + } + + if(old_referral_list && jn->referral_list) { + memcpy(jn->referral_list, old_referral_list, + sizeof(struct referral)*jn->referral_count-1); + } + + jn->referral_list[jn->referral_count-1].proximity = 0; + jn->referral_list[jn->referral_count-1].ttl = REFERRAL_TTL; + jn->referral_list[jn->referral_count-1].alternate_path = altpath; + + if (!create_msdfs_link(jn, session_info)) { + return WERR_NERR_DFSCANTCREATEJUNCTIONPOINT; + } + + return WERR_OK; +} + +WERROR _dfs_Remove(struct pipes_struct *p, struct dfs_Remove *r) +{ + struct dcesrv_call_state *dce_call = p->dce_call; + struct dcesrv_connection *dcesrv_conn = dce_call->conn; + const struct tsocket_address *local_address = + dcesrv_connection_get_local_address(dcesrv_conn); + const struct tsocket_address *remote_address = + dcesrv_connection_get_remote_address(dcesrv_conn); + struct auth_session_info *session_info = + dcesrv_call_session_info(dce_call); + struct junction_map *jn = NULL; + bool self_ref = False; + size_t consumedcnt = 0; + bool found = False; + TALLOC_CTX *ctx = talloc_tos(); + char *altpath = NULL; + NTSTATUS status; + + if (session_info->unix_token->uid != sec_initial_uid()) { + DEBUG(10,("_dfs_remove: uid != 0. Access denied.\n")); + return WERR_ACCESS_DENIED; + } + + jn = talloc_zero(ctx, struct junction_map); + if (!jn) { + return WERR_NOT_ENOUGH_MEMORY; + } + + if (r->in.servername && r->in.sharename) { + altpath = talloc_asprintf(ctx, "%s\\%s", + r->in.servername, + r->in.sharename); + if (!altpath) { + return WERR_NOT_ENOUGH_MEMORY; + } + if (!strlower_m(altpath)) { + return WERR_INVALID_PARAMETER; + } + DEBUG(5,("init_reply_dfs_remove: Request to remove %s -> %s\\%s.\n", + r->in.dfs_entry_path, r->in.servername, r->in.sharename)); + } + + status = get_referred_path(ctx, + session_info, + r->in.dfs_entry_path, + remote_address, + local_address, + true, /*allow_broken_path */ + jn, &consumedcnt, &self_ref); + if(!NT_STATUS_IS_OK(status)) { + return WERR_NERR_DFSNOSUCHVOLUME; + } + + /* if no server-share pair given, remove the msdfs link completely */ + if(!r->in.servername && !r->in.sharename) { + if(!remove_msdfs_link(jn, session_info)) { + return WERR_NERR_DFSNOSUCHVOLUME; + } + } else { + size_t i = 0; + /* compare each referral in the list with the one to remove */ + DBG_DEBUG("altpath: .%s. refcnt: %zu\n", + altpath, + jn->referral_count); + for(i=0;i<jn->referral_count;i++) { + char *refpath = talloc_strdup(ctx, + jn->referral_list[i].alternate_path); + if (!refpath) { + return WERR_NOT_ENOUGH_MEMORY; + } + trim_char(refpath, '\\', '\\'); + DEBUG(10,("_dfs_remove: refpath: .%s.\n", refpath)); + if(strequal(refpath, altpath)) { + *(jn->referral_list[i].alternate_path)='\0'; + DEBUG(10,("_dfs_remove: Removal request matches referral %s\n", + refpath)); + found = True; + } + } + + if(!found) { + return WERR_NERR_DFSNOSUCHSHARE; + } + + /* Only one referral, remove it */ + if(jn->referral_count == 1) { + if(!remove_msdfs_link(jn, session_info)) { + return WERR_NERR_DFSNOSUCHVOLUME; + } + } else { + if(!create_msdfs_link(jn, session_info)) { + return WERR_NERR_DFSCANTCREATEJUNCTIONPOINT; + } + } + } + + return WERR_OK; +} + +static bool init_reply_dfs_info_1(TALLOC_CTX *mem_ctx, struct junction_map* j,struct dfs_Info1* dfs1) +{ + dfs1->path = talloc_asprintf(mem_ctx, + "\\\\%s\\%s\\%s", lp_netbios_name(), + j->service_name, j->volume_name); + if (dfs1->path == NULL) + return False; + + DEBUG(5,("init_reply_dfs_info_1: initing entrypath: %s\n",dfs1->path)); + return True; +} + +static bool init_reply_dfs_info_2(TALLOC_CTX *mem_ctx, struct junction_map* j, struct dfs_Info2* dfs2) +{ + dfs2->path = talloc_asprintf(mem_ctx, + "\\\\%s\\%s\\%s", lp_netbios_name(), j->service_name, j->volume_name); + if (dfs2->path == NULL) + return False; + dfs2->comment = talloc_strdup(mem_ctx, j->comment); + dfs2->state = 1; /* set up state of dfs junction as OK */ + dfs2->num_stores = j->referral_count; + return True; +} + +static bool init_reply_dfs_info_3(TALLOC_CTX *mem_ctx, struct junction_map* j, struct dfs_Info3* dfs3) +{ + size_t ii; + if (j->volume_name[0] == '\0') + dfs3->path = talloc_asprintf(mem_ctx, "\\\\%s\\%s", + lp_netbios_name(), j->service_name); + else + dfs3->path = talloc_asprintf(mem_ctx, "\\\\%s\\%s\\%s", lp_netbios_name(), + j->service_name, j->volume_name); + + if (dfs3->path == NULL) + return False; + + dfs3->comment = talloc_strdup(mem_ctx, j->comment); + dfs3->state = 1; + dfs3->num_stores = j->referral_count; + + /* also enumerate the stores */ + if (j->referral_count) { + dfs3->stores = talloc_array(mem_ctx, struct dfs_StorageInfo, j->referral_count); + if (!dfs3->stores) + return False; + memset(dfs3->stores, '\0', j->referral_count * sizeof(struct dfs_StorageInfo)); + } else { + dfs3->stores = NULL; + } + + for(ii=0;ii<j->referral_count;ii++) { + char* p; + char *path = NULL; + struct dfs_StorageInfo* stor = &(dfs3->stores[ii]); + struct referral* ref = &(j->referral_list[ii]); + + path = talloc_strdup(mem_ctx, ref->alternate_path); + if (!path) { + return False; + } + trim_char(path,'\\','\0'); + p = strrchr_m(path,'\\'); + if(p==NULL) { + DEBUG(4,("init_reply_dfs_info_3: invalid path: no \\ found in %s\n",path)); + continue; + } + *p = '\0'; + DBG_INFO("storage %zu: %s.%s\n",ii,path,p+1); + stor->state = 2; /* set all stores as ONLINE */ + stor->server = talloc_strdup(mem_ctx, path); + stor->share = talloc_strdup(mem_ctx, p+1); + } + return True; +} + +static bool init_reply_dfs_info_100(TALLOC_CTX *mem_ctx, struct junction_map* j, struct dfs_Info100* dfs100) +{ + dfs100->comment = talloc_strdup(mem_ctx, j->comment); + return True; +} + +WERROR _dfs_Enum(struct pipes_struct *p, struct dfs_Enum *r) +{ + struct dcesrv_call_state *dce_call = p->dce_call; + struct auth_session_info *session_info = + dcesrv_call_session_info(dce_call); + struct junction_map *jn = NULL; + size_t num_jn = 0; + size_t i; + TALLOC_CTX *ctx = talloc_tos(); + + jn = enum_msdfs_links(ctx, session_info, &num_jn); + if (!jn || num_jn == 0) { + num_jn = 0; + jn = NULL; + } + + DEBUG(5,("_dfs_Enum: %u junctions found in Dfs, doing level %d\n", + (unsigned int)num_jn, r->in.level)); + + *r->out.total = num_jn; + + /* Create the return array */ + switch (r->in.level) { + case 1: + if (num_jn) { + if ((r->out.info->e.info1->s = talloc_array(ctx, struct dfs_Info1, num_jn)) == NULL) { + return WERR_NOT_ENOUGH_MEMORY; + } + } else { + r->out.info->e.info1->s = NULL; + } + r->out.info->e.info1->count = num_jn; + break; + case 2: + if (num_jn) { + if ((r->out.info->e.info2->s = talloc_array(ctx, struct dfs_Info2, num_jn)) == NULL) { + return WERR_NOT_ENOUGH_MEMORY; + } + } else { + r->out.info->e.info2->s = NULL; + } + r->out.info->e.info2->count = num_jn; + break; + case 3: + if (num_jn) { + if ((r->out.info->e.info3->s = talloc_array(ctx, struct dfs_Info3, num_jn)) == NULL) { + return WERR_NOT_ENOUGH_MEMORY; + } + } else { + r->out.info->e.info3->s = NULL; + } + r->out.info->e.info3->count = num_jn; + break; + default: + return WERR_INVALID_PARAMETER; + } + + for (i = 0; i < num_jn; i++) { + switch (r->in.level) { + case 1: + init_reply_dfs_info_1(ctx, &jn[i], &r->out.info->e.info1->s[i]); + break; + case 2: + init_reply_dfs_info_2(ctx, &jn[i], &r->out.info->e.info2->s[i]); + break; + case 3: + init_reply_dfs_info_3(ctx, &jn[i], &r->out.info->e.info3->s[i]); + break; + default: + return WERR_INVALID_PARAMETER; + } + } + + return WERR_OK; +} + +WERROR _dfs_GetInfo(struct pipes_struct *p, struct dfs_GetInfo *r) +{ + struct dcesrv_call_state *dce_call = p->dce_call; + struct dcesrv_connection *dcesrv_conn = dce_call->conn; + const struct tsocket_address *local_address = + dcesrv_connection_get_local_address(dcesrv_conn); + const struct tsocket_address *remote_address = + dcesrv_connection_get_remote_address(dcesrv_conn); + struct auth_session_info *session_info = + dcesrv_call_session_info(dce_call); + size_t consumedcnt = strlen(r->in.dfs_entry_path); + struct junction_map *jn = NULL; + bool self_ref = False; + TALLOC_CTX *ctx = talloc_tos(); + bool ret; + NTSTATUS status; + + jn = talloc_zero(ctx, struct junction_map); + if (!jn) { + return WERR_NOT_ENOUGH_MEMORY; + } + + ret = create_junction(ctx, r->in.dfs_entry_path, + true, /* allow broken_path */ + jn); + if (!ret) { + return WERR_NERR_DFSNOSUCHSERVER; + } + + /* The following call can change the cwd. */ + status = get_referred_path(ctx, + session_info, + r->in.dfs_entry_path, + remote_address, + local_address, + true, /*allow_broken_path */ + jn, &consumedcnt, &self_ref); + if(!NT_STATUS_IS_OK(status) || + consumedcnt < strlen(r->in.dfs_entry_path)) { + return WERR_NERR_DFSNOSUCHVOLUME; + } + + switch (r->in.level) { + case 1: + r->out.info->info1 = talloc_zero(ctx,struct dfs_Info1); + if (!r->out.info->info1) { + return WERR_NOT_ENOUGH_MEMORY; + } + ret = init_reply_dfs_info_1(ctx, jn, r->out.info->info1); + break; + case 2: + r->out.info->info2 = talloc_zero(ctx,struct dfs_Info2); + if (!r->out.info->info2) { + return WERR_NOT_ENOUGH_MEMORY; + } + ret = init_reply_dfs_info_2(ctx, jn, r->out.info->info2); + break; + case 3: + r->out.info->info3 = talloc_zero(ctx,struct dfs_Info3); + if (!r->out.info->info3) { + return WERR_NOT_ENOUGH_MEMORY; + } + ret = init_reply_dfs_info_3(ctx, jn, r->out.info->info3); + break; + case 100: + r->out.info->info100 = talloc_zero(ctx,struct dfs_Info100); + if (!r->out.info->info100) { + return WERR_NOT_ENOUGH_MEMORY; + } + ret = init_reply_dfs_info_100(ctx, jn, r->out.info->info100); + break; + default: + r->out.info->info1 = NULL; + return WERR_INVALID_PARAMETER; + } + + if (!ret) + return WERR_INVALID_PARAMETER; + + return WERR_OK; +} + +WERROR _dfs_SetInfo(struct pipes_struct *p, struct dfs_SetInfo *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_Rename(struct pipes_struct *p, struct dfs_Rename *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_Move(struct pipes_struct *p, struct dfs_Move *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_ManagerGetConfigInfo(struct pipes_struct *p, struct dfs_ManagerGetConfigInfo *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_ManagerSendSiteInfo(struct pipes_struct *p, struct dfs_ManagerSendSiteInfo *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_AddFtRoot(struct pipes_struct *p, struct dfs_AddFtRoot *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_RemoveFtRoot(struct pipes_struct *p, struct dfs_RemoveFtRoot *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_AddStdRoot(struct pipes_struct *p, struct dfs_AddStdRoot *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_RemoveStdRoot(struct pipes_struct *p, struct dfs_RemoveStdRoot *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_ManagerInitialize(struct pipes_struct *p, struct dfs_ManagerInitialize *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_AddStdRootForced(struct pipes_struct *p, struct dfs_AddStdRootForced *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_GetDcAddress(struct pipes_struct *p, struct dfs_GetDcAddress *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_SetDcAddress(struct pipes_struct *p, struct dfs_SetDcAddress *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_FlushFtTable(struct pipes_struct *p, struct dfs_FlushFtTable *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_Add2(struct pipes_struct *p, struct dfs_Add2 *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_Remove2(struct pipes_struct *p, struct dfs_Remove2 *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_EnumEx(struct pipes_struct *p, struct dfs_EnumEx *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +WERROR _dfs_SetInfo2(struct pipes_struct *p, struct dfs_SetInfo2 *r) +{ + /* FIXME: Implement your code here */ + p->fault_state = DCERPC_FAULT_OP_RNG_ERROR; + return WERR_NOT_SUPPORTED; +} + +/* include the generated boilerplate */ +#include "librpc/gen_ndr/ndr_dfs_scompat.c" |