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Diffstat (limited to 'source3/smbd/msdfs.c')
| -rw-r--r-- | source3/smbd/msdfs.c | 1724 |
1 files changed, 1724 insertions, 0 deletions
diff --git a/source3/smbd/msdfs.c b/source3/smbd/msdfs.c new file mode 100644 index 0000000000..32240ff0d5 --- /dev/null +++ b/source3/smbd/msdfs.c @@ -0,0 +1,1724 @@ +/* + Unix SMB/Netbios implementation. + Version 3.0 + MSDFS services for Samba + Copyright (C) Shirish Kalele 2000 + Copyright (C) Jeremy Allison 2007 + + 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/>. + +*/ + +#define DBGC_CLASS DBGC_MSDFS +#include "includes.h" + +extern uint32 global_client_caps; + +/********************************************************************** + Parse a DFS pathname of the form \hostname\service\reqpath + into the dfs_path structure. + If POSIX pathnames is true, the pathname may also be of the + form /hostname/service/reqpath. + We cope with either here. + + Unfortunately, due to broken clients who might set the + SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES bit and then + send a local path, we have to cope with that too.... + + If conn != NULL then ensure the provided service is + the one pointed to by the connection. + + This version does everything using pointers within one copy of the + pathname string, talloced on the struct dfs_path pointer (which + must be talloced). This may be too clever to live.... + JRA. +**********************************************************************/ + +static NTSTATUS parse_dfs_path(connection_struct *conn, + const char *pathname, + bool allow_wcards, + struct dfs_path *pdp, /* MUST BE TALLOCED */ + bool *ppath_contains_wcard) +{ + char *pathname_local; + char *p,*temp; + char *servicename; + char *eos_ptr; + NTSTATUS status = NT_STATUS_OK; + char sepchar; + + ZERO_STRUCTP(pdp); + + /* + * This is the only talloc we should need to do + * on the struct dfs_path. All the pointers inside + * it should point to offsets within this string. + */ + + pathname_local = talloc_strdup(pdp, pathname); + if (!pathname_local) { + return NT_STATUS_NO_MEMORY; + } + /* Get a pointer to the terminating '\0' */ + eos_ptr = &pathname_local[strlen(pathname_local)]; + p = temp = pathname_local; + + pdp->posix_path = (lp_posix_pathnames() && *pathname == '/'); + + sepchar = pdp->posix_path ? '/' : '\\'; + + if (*pathname != sepchar) { + DEBUG(10,("parse_dfs_path: path %s doesn't start with %c\n", + pathname, sepchar )); + /* + * Possibly client sent a local path by mistake. + * Try and convert to a local path. + */ + + pdp->hostname = eos_ptr; /* "" */ + pdp->servicename = eos_ptr; /* "" */ + + /* We've got no info about separators. */ + pdp->posix_path = lp_posix_pathnames(); + p = temp; + DEBUG(10,("parse_dfs_path: trying to convert %s to a " + "local path\n", + temp)); + goto local_path; + } + + /* + * Safe to use on talloc'ed string as it only shrinks. + * It also doesn't affect the eos_ptr. + */ + trim_char(temp,sepchar,sepchar); + + DEBUG(10,("parse_dfs_path: temp = |%s| after trimming %c's\n", + temp, sepchar)); + + /* Now tokenize. */ + /* Parse out hostname. */ + p = strchr_m(temp,sepchar); + if(p == NULL) { + DEBUG(10,("parse_dfs_path: can't parse hostname from path %s\n", + temp)); + /* + * Possibly client sent a local path by mistake. + * Try and convert to a local path. + */ + + pdp->hostname = eos_ptr; /* "" */ + pdp->servicename = eos_ptr; /* "" */ + + p = temp; + DEBUG(10,("parse_dfs_path: trying to convert %s " + "to a local path\n", + temp)); + goto local_path; + } + *p = '\0'; + pdp->hostname = temp; + + DEBUG(10,("parse_dfs_path: hostname: %s\n",pdp->hostname)); + + /* Parse out servicename. */ + servicename = p+1; + p = strchr_m(servicename,sepchar); + if (p) { + *p = '\0'; + } + + /* Is this really our servicename ? */ + if (conn && !( strequal(servicename, lp_servicename(SNUM(conn))) + || (strequal(servicename, HOMES_NAME) + && strequal(lp_servicename(SNUM(conn)), + get_current_username()) )) ) { + DEBUG(10,("parse_dfs_path: %s is not our servicename\n", + servicename)); + + /* + * Possibly client sent a local path by mistake. + * Try and convert to a local path. + */ + + pdp->hostname = eos_ptr; /* "" */ + pdp->servicename = eos_ptr; /* "" */ + + /* Repair the path - replace the sepchar's + we nulled out */ + servicename--; + *servicename = sepchar; + if (p) { + *p = sepchar; + } + + p = temp; + DEBUG(10,("parse_dfs_path: trying to convert %s " + "to a local path\n", + temp)); + goto local_path; + } + + pdp->servicename = servicename; + + DEBUG(10,("parse_dfs_path: servicename: %s\n",pdp->servicename)); + + if(p == NULL) { + /* Client sent self referral \server\share. */ + pdp->reqpath = eos_ptr; /* "" */ + return NT_STATUS_OK; + } + + p++; + + local_path: + + *ppath_contains_wcard = False; + + pdp->reqpath = p; + + /* Rest is reqpath. */ + if (pdp->posix_path) { + status = check_path_syntax_posix(pdp->reqpath); + } else { + if (allow_wcards) { + status = check_path_syntax_wcard(pdp->reqpath, + ppath_contains_wcard); + } else { + status = check_path_syntax(pdp->reqpath); + } + } + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10,("parse_dfs_path: '%s' failed with %s\n", + p, nt_errstr(status) )); + return status; + } + + DEBUG(10,("parse_dfs_path: rest of the path: %s\n",pdp->reqpath)); + return NT_STATUS_OK; +} + +/******************************************************** + Fake up a connection struct for the VFS layer. + Note this CHANGES CWD !!!! JRA. +*********************************************************/ + +NTSTATUS create_conn_struct(TALLOC_CTX *ctx, + connection_struct **pconn, + int snum, + const char *path, + char **poldcwd) +{ + connection_struct *conn; + char *connpath; + char *oldcwd; + + conn = TALLOC_ZERO_P(ctx, connection_struct); + if (conn == NULL) { + return NT_STATUS_NO_MEMORY; + } + + connpath = talloc_strdup(conn, path); + if (!connpath) { + TALLOC_FREE(conn); + return NT_STATUS_NO_MEMORY; + } + connpath = talloc_string_sub(conn, + connpath, + "%S", + lp_servicename(snum)); + if (!connpath) { + TALLOC_FREE(conn); + return NT_STATUS_NO_MEMORY; + } + + /* needed for smbd_vfs_init() */ + + if (!(conn->params = TALLOC_ZERO_P(conn, struct share_params))) { + DEBUG(0, ("TALLOC failed\n")); + TALLOC_FREE(conn); + return NT_STATUS_NO_MEMORY; + } + + conn->params->service = snum; + + set_conn_connectpath(conn, connpath); + + if (!smbd_vfs_init(conn)) { + NTSTATUS status = map_nt_error_from_unix(errno); + DEBUG(0,("create_conn_struct: smbd_vfs_init failed.\n")); + conn_free_internal(conn); + return status; + } + + /* + * Windows seems to insist on doing trans2getdfsreferral() calls on + * the IPC$ share as the anonymous user. If we try to chdir as that + * user we will fail.... WTF ? JRA. + */ + + oldcwd = vfs_GetWd(ctx, conn); + if (oldcwd == NULL) { + NTSTATUS status = map_nt_error_from_unix(errno); + DEBUG(3, ("vfs_GetWd failed: %s\n", strerror(errno))); + conn_free_internal(conn); + return status; + } + + if (vfs_ChDir(conn,conn->connectpath) != 0) { + NTSTATUS status = map_nt_error_from_unix(errno); + DEBUG(3,("create_conn_struct: Can't ChDir to new conn path %s. " + "Error was %s\n", + conn->connectpath, strerror(errno) )); + conn_free_internal(conn); + return status; + } + + *pconn = conn; + *poldcwd = oldcwd; + + return NT_STATUS_OK; +} + +/********************************************************************** + Parse the contents of a symlink to verify if it is an msdfs referral + A valid referral is of the form: + + msdfs:server1\share1,server2\share2 + msdfs:server1\share1\pathname,server2\share2\pathname + msdfs:server1/share1,server2/share2 + msdfs:server1/share1/pathname,server2/share2/pathname. + + Note that the alternate paths returned here must be of the canonicalized + form: + + \server\share or + \server\share\path\to\file, + + even in posix path mode. This is because we have no knowledge if the + server we're referring to understands posix paths. + **********************************************************************/ + +static bool parse_msdfs_symlink(TALLOC_CTX *ctx, + const char *target, + struct referral **preflist, + int *refcount) +{ + char *temp = NULL; + char *prot; + char **alt_path = NULL; + int count = 0, i; + struct referral *reflist; + char *saveptr; + + temp = talloc_strdup(ctx, target); + if (!temp) { + return False; + } + prot = strtok_r(temp, ":", &saveptr); + if (!prot) { + DEBUG(0,("parse_msdfs_symlink: invalid path !\n")); + return False; + } + + alt_path = TALLOC_ARRAY(ctx, char *, MAX_REFERRAL_COUNT); + if (!alt_path) { + return False; + } + + /* parse out the alternate paths */ + while((count<MAX_REFERRAL_COUNT) && + ((alt_path[count] = strtok_r(NULL, ",", &saveptr)) != NULL)) { + count++; + } + + DEBUG(10,("parse_msdfs_symlink: count=%d\n", count)); + + if (count) { + reflist = *preflist = TALLOC_ZERO_ARRAY(ctx, + struct referral, count); + if(reflist == NULL) { + TALLOC_FREE(alt_path); + return False; + } + } else { + reflist = *preflist = NULL; + } + + for(i=0;i<count;i++) { + char *p; + + /* Canonicalize link target. + * Replace all /'s in the path by a \ */ + string_replace(alt_path[i], '/', '\\'); + + /* Remove leading '\\'s */ + p = alt_path[i]; + while (*p && (*p == '\\')) { + p++; + } + + reflist[i].alternate_path = talloc_asprintf(ctx, + "\\%s", + p); + if (!reflist[i].alternate_path) { + return False; + } + + reflist[i].proximity = 0; + reflist[i].ttl = REFERRAL_TTL; + DEBUG(10, ("parse_msdfs_symlink: Created alt path: %s\n", + reflist[i].alternate_path)); + } + + *refcount = count; + + TALLOC_FREE(alt_path); + return True; +} + +/********************************************************************** + Returns true if the unix path is a valid msdfs symlink and also + returns the target string from inside the link. +**********************************************************************/ + +static bool is_msdfs_link_internal(TALLOC_CTX *ctx, + connection_struct *conn, + const char *path, + char **pp_link_target, + SMB_STRUCT_STAT *sbufp) +{ + SMB_STRUCT_STAT st; + int referral_len = 0; + char link_target_buf[7]; + size_t bufsize = 0; + char *link_target = NULL; + + if (pp_link_target) { + bufsize = 1024; + link_target = TALLOC_ARRAY(ctx, char, bufsize); + if (!link_target) { + return False; + } + *pp_link_target = link_target; + } else { + bufsize = sizeof(link_target_buf); + link_target = link_target_buf; + } + + if (sbufp == NULL) { + sbufp = &st; + } + + if (SMB_VFS_LSTAT(conn, path, sbufp) != 0) { + DEBUG(5,("is_msdfs_link_read_target: %s does not exist.\n", + path)); + goto err; + } + + if (!S_ISLNK(sbufp->st_mode)) { + DEBUG(5,("is_msdfs_link_read_target: %s is not a link.\n", + path)); + goto err; + } + + referral_len = SMB_VFS_READLINK(conn, path, link_target, bufsize - 1); + if (referral_len == -1) { + DEBUG(0,("is_msdfs_link_read_target: Error reading " + "msdfs link %s: %s\n", + path, strerror(errno))); + goto err; + } + link_target[referral_len] = '\0'; + + DEBUG(5,("is_msdfs_link_internal: %s -> %s\n",path, + link_target)); + + if (!strnequal(link_target, "msdfs:", 6)) { + goto err; + } + return True; + + err: + + if (link_target != link_target_buf) { + TALLOC_FREE(link_target); + } + return False; +} + +/********************************************************************** + Returns true if the unix path is a valid msdfs symlink. +**********************************************************************/ + +bool is_msdfs_link(connection_struct *conn, + const char *path, + SMB_STRUCT_STAT *sbufp) +{ + return is_msdfs_link_internal(talloc_tos(), + conn, + path, + NULL, + sbufp); +} + +/***************************************************************** + Used by other functions to decide if a dfs path is remote, + and to get the list of referred locations for that remote path. + + search_flag: For findfirsts, dfs links themselves are not + redirected, but paths beyond the links are. For normal smb calls, + even dfs links need to be redirected. + + consumedcntp: how much of the dfs path is being redirected. the client + should try the remaining path on the redirected server. + + If this returns NT_STATUS_PATH_NOT_COVERED the contents of the msdfs + link redirect are in targetpath. +*****************************************************************/ + +static NTSTATUS dfs_path_lookup(TALLOC_CTX *ctx, + connection_struct *conn, + const char *dfspath, /* Incoming complete dfs path */ + const struct dfs_path *pdp, /* Parsed out + server+share+extrapath. */ + bool search_flag, /* Called from a findfirst ? */ + int *consumedcntp, + char **pp_targetpath) +{ + char *p = NULL; + char *q = NULL; + SMB_STRUCT_STAT sbuf; + NTSTATUS status; + char *localpath = NULL; + char *canon_dfspath = NULL; /* Canonicalized dfs path. (only '/' + components). */ + + DEBUG(10,("dfs_path_lookup: Conn path = %s reqpath = %s\n", + conn->connectpath, pdp->reqpath)); + + /* + * Note the unix path conversion here we're doing we can + * throw away. We're looking for a symlink for a dfs + * resolution, if we don't find it we'll do another + * unix_convert later in the codepath. + * If we needed to remember what we'd resolved in + * dp->reqpath (as the original code did) we'd + * copy (localhost, dp->reqpath) on any code + * path below that returns True - but I don't + * think this is needed. JRA. + */ + + status = unix_convert(ctx, conn, pdp->reqpath, search_flag, &localpath, + NULL, &sbuf); + if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status, + NT_STATUS_OBJECT_PATH_NOT_FOUND)) { + return status; + } + + /* Optimization - check if we can redirect the whole path. */ + + if (is_msdfs_link_internal(ctx, conn, localpath, pp_targetpath, NULL)) { + if (search_flag) { + DEBUG(6,("dfs_path_lookup (FindFirst) No redirection " + "for dfs link %s.\n", dfspath)); + return NT_STATUS_OK; + } + + DEBUG(6,("dfs_path_lookup: %s resolves to a " + "valid dfs link %s.\n", dfspath, + pp_targetpath ? *pp_targetpath : "")); + + if (consumedcntp) { + *consumedcntp = strlen(dfspath); + } + return NT_STATUS_PATH_NOT_COVERED; + } + + /* Prepare to test only for '/' components in the given path, + * so if a Windows path replace all '\\' characters with '/'. + * For a POSIX DFS path we know all separators are already '/'. */ + + canon_dfspath = talloc_strdup(ctx, dfspath); + if (!canon_dfspath) { + return NT_STATUS_NO_MEMORY; + } + if (!pdp->posix_path) { + string_replace(canon_dfspath, '\\', '/'); + } + + /* + * localpath comes out of unix_convert, so it has + * no trailing backslash. Make sure that canon_dfspath hasn't either. + * Fix for bug #4860 from Jan Martin <Jan.Martin@rwedea.com>. + */ + + trim_char(canon_dfspath,0,'/'); + + /* + * Redirect if any component in the path is a link. + * We do this by walking backwards through the + * local path, chopping off the last component + * in both the local path and the canonicalized + * DFS path. If we hit a DFS link then we're done. + */ + + p = strrchr_m(localpath, '/'); + if (consumedcntp) { + q = strrchr_m(canon_dfspath, '/'); + } + + while (p) { + *p = '\0'; + if (q) { + *q = '\0'; + } + + if (is_msdfs_link_internal(ctx, conn, + localpath, pp_targetpath, NULL)) { + DEBUG(4, ("dfs_path_lookup: Redirecting %s because " + "parent %s is dfs link\n", dfspath, localpath)); + + if (consumedcntp) { + *consumedcntp = strlen(canon_dfspath); + DEBUG(10, ("dfs_path_lookup: Path consumed: %s " + "(%d)\n", + canon_dfspath, + *consumedcntp)); + } + + return NT_STATUS_PATH_NOT_COVERED; + } + + /* Step back on the filesystem. */ + p = strrchr_m(localpath, '/'); + + if (consumedcntp) { + /* And in the canonicalized dfs path. */ + q = strrchr_m(canon_dfspath, '/'); + } + } + + return NT_STATUS_OK; +} + +/***************************************************************** + Decides if a dfs pathname should be redirected or not. + If not, the pathname is converted to a tcon-relative local unix path + + search_wcard_flag: this flag performs 2 functions both related + to searches. See resolve_dfs_path() and parse_dfs_path_XX() + for details. + + This function can return NT_STATUS_OK, meaning use the returned path as-is + (mapped into a local path). + or NT_STATUS_NOT_COVERED meaning return a DFS redirect, or + any other NT_STATUS error which is a genuine error to be + returned to the client. +*****************************************************************/ + +static NTSTATUS dfs_redirect(TALLOC_CTX *ctx, + connection_struct *conn, + const char *path_in, + bool search_wcard_flag, + char **pp_path_out, + bool *ppath_contains_wcard) +{ + NTSTATUS status; + struct dfs_path *pdp = TALLOC_P(ctx, struct dfs_path); + + if (!pdp) { + return NT_STATUS_NO_MEMORY; + } + + status = parse_dfs_path(conn, path_in, search_wcard_flag, pdp, + ppath_contains_wcard); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(pdp); + return status; + } + + if (pdp->reqpath[0] == '\0') { + TALLOC_FREE(pdp); + *pp_path_out = talloc_strdup(ctx, ""); + if (!*pp_path_out) { + return NT_STATUS_NO_MEMORY; + } + DEBUG(5,("dfs_redirect: self-referral.\n")); + return NT_STATUS_OK; + } + + /* If dfs pathname for a non-dfs share, convert to tcon-relative + path and return OK */ + + if (!lp_msdfs_root(SNUM(conn))) { + *pp_path_out = talloc_strdup(ctx, pdp->reqpath); + TALLOC_FREE(pdp); + if (!*pp_path_out) { + return NT_STATUS_NO_MEMORY; + } + return NT_STATUS_OK; + } + + /* If it looked like a local path (zero hostname/servicename) + * just treat as a tcon-relative path. */ + + if (pdp->hostname[0] == '\0' && pdp->servicename[0] == '\0') { + *pp_path_out = talloc_strdup(ctx, pdp->reqpath); + TALLOC_FREE(pdp); + if (!*pp_path_out) { + return NT_STATUS_NO_MEMORY; + } + return NT_STATUS_OK; + } + + if (!( strequal(pdp->servicename, lp_servicename(SNUM(conn))) + || (strequal(pdp->servicename, HOMES_NAME) + && strequal(lp_servicename(SNUM(conn)), + conn->server_info->sanitized_username) )) ) { + + /* The given sharename doesn't match this connection. */ + TALLOC_FREE(pdp); + + return NT_STATUS_OBJECT_PATH_NOT_FOUND; + } + + status = dfs_path_lookup(ctx, conn, path_in, pdp, + search_wcard_flag, NULL, NULL); + if (!NT_STATUS_IS_OK(status)) { + if (NT_STATUS_EQUAL(status, NT_STATUS_PATH_NOT_COVERED)) { + DEBUG(3,("dfs_redirect: Redirecting %s\n", path_in)); + } else { + DEBUG(10,("dfs_redirect: dfs_path_lookup " + "failed for %s with %s\n", + path_in, nt_errstr(status) )); + } + return status; + } + + DEBUG(3,("dfs_redirect: Not redirecting %s.\n", path_in)); + + /* Form non-dfs tcon-relative path */ + *pp_path_out = talloc_strdup(ctx, pdp->reqpath); + TALLOC_FREE(pdp); + if (!*pp_path_out) { + return NT_STATUS_NO_MEMORY; + } + + DEBUG(3,("dfs_redirect: Path %s converted to non-dfs path %s\n", + path_in, + *pp_path_out)); + + return NT_STATUS_OK; +} + +/********************************************************************** + Return a self referral. +**********************************************************************/ + +static NTSTATUS self_ref(TALLOC_CTX *ctx, + const char *dfs_path, + struct junction_map *jucn, + int *consumedcntp, + bool *self_referralp) +{ + struct referral *ref; + + *self_referralp = True; + + jucn->referral_count = 1; + if((ref = TALLOC_ZERO_P(ctx, struct referral)) == NULL) { + return NT_STATUS_NO_MEMORY; + } + + ref->alternate_path = talloc_strdup(ctx, dfs_path); + if (!ref->alternate_path) { + return NT_STATUS_NO_MEMORY; + } + ref->proximity = 0; + ref->ttl = REFERRAL_TTL; + jucn->referral_list = ref; + *consumedcntp = strlen(dfs_path); + return NT_STATUS_OK; +} + +/********************************************************************** + Gets valid referrals for a dfs path and fills up the + junction_map structure. +**********************************************************************/ + +NTSTATUS get_referred_path(TALLOC_CTX *ctx, + const char *dfs_path, + struct junction_map *jucn, + int *consumedcntp, + bool *self_referralp) +{ + struct connection_struct *conn; + char *targetpath = NULL; + int snum; + NTSTATUS status = NT_STATUS_NOT_FOUND; + bool dummy; + struct dfs_path *pdp = TALLOC_P(ctx, struct dfs_path); + char *oldpath; + + if (!pdp) { + return NT_STATUS_NO_MEMORY; + } + + *self_referralp = False; + + status = parse_dfs_path(NULL, dfs_path, False, pdp, &dummy); + if (!NT_STATUS_IS_OK(status)) { + return status; + } + + jucn->service_name = talloc_strdup(ctx, pdp->servicename); + jucn->volume_name = talloc_strdup(ctx, pdp->reqpath); + if (!jucn->service_name || !jucn->volume_name) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + + /* Verify the share is a dfs root */ + snum = lp_servicenumber(jucn->service_name); + if(snum < 0) { + fstring service_name; + fstrcpy(service_name, jucn->service_name); + if ((snum = find_service(service_name)) < 0) { + return NT_STATUS_NOT_FOUND; + } + TALLOC_FREE(jucn->service_name); + jucn->service_name = talloc_strdup(ctx, service_name); + if (!jucn->service_name) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + } + + if (!lp_msdfs_root(snum) && (*lp_msdfs_proxy(snum) == '\0')) { + DEBUG(3,("get_referred_path: |%s| in dfs path %s is not " + "a dfs root.\n", + pdp->servicename, dfs_path)); + TALLOC_FREE(pdp); + return NT_STATUS_NOT_FOUND; + } + + /* + * Self referrals are tested with a anonymous IPC connection and + * a GET_DFS_REFERRAL call to \\server\share. (which means + * dp.reqpath[0] points to an empty string). create_conn_struct cd's + * into the directory and will fail if it cannot (as the anonymous + * user). Cope with this. + */ + + if (pdp->reqpath[0] == '\0') { + char *tmp; + struct referral *ref; + + if (*lp_msdfs_proxy(snum) == '\0') { + TALLOC_FREE(pdp); + return self_ref(ctx, + dfs_path, + jucn, + consumedcntp, + self_referralp); + } + + /* + * It's an msdfs proxy share. Redirect to + * the configured target share. + */ + + jucn->referral_count = 1; + if ((ref = TALLOC_ZERO_P(ctx, struct referral)) == NULL) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + + if (!(tmp = talloc_strdup(ctx, lp_msdfs_proxy(snum)))) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + + trim_string(tmp, "\\", 0); + + ref->alternate_path = talloc_asprintf(ctx, "\\%s", tmp); + TALLOC_FREE(tmp); + + if (!ref->alternate_path) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + + if (pdp->reqpath[0] != '\0') { + ref->alternate_path = talloc_asprintf_append( + ref->alternate_path, + "%s", + pdp->reqpath); + if (!ref->alternate_path) { + TALLOC_FREE(pdp); + return NT_STATUS_NO_MEMORY; + } + } + ref->proximity = 0; + ref->ttl = REFERRAL_TTL; + jucn->referral_list = ref; + *consumedcntp = strlen(dfs_path); + TALLOC_FREE(pdp); + return NT_STATUS_OK; + } + + status = create_conn_struct(ctx, &conn, snum, lp_pathname(snum), + &oldpath); + if (!NT_STATUS_IS_OK(status)) { + TALLOC_FREE(pdp); + return status; + } + + /* If this is a DFS path dfs_lookup should return + * NT_STATUS_PATH_NOT_COVERED. */ + + status = dfs_path_lookup(ctx, conn, dfs_path, pdp, + False, consumedcntp, &targetpath); + + if (!NT_STATUS_EQUAL(status, NT_STATUS_PATH_NOT_COVERED)) { + DEBUG(3,("get_referred_path: No valid referrals for path %s\n", + dfs_path)); + vfs_ChDir(conn, oldpath); + conn_free_internal(conn); + TALLOC_FREE(pdp); + return status; + } + + /* We know this is a valid dfs link. Parse the targetpath. */ + if (!parse_msdfs_symlink(ctx, targetpath, + &jucn->referral_list, + &jucn->referral_count)) { + DEBUG(3,("get_referred_path: failed to parse symlink " + "target %s\n", targetpath )); + vfs_ChDir(conn, oldpath); + conn_free_internal(conn); + TALLOC_FREE(pdp); + return NT_STATUS_NOT_FOUND; + } + + vfs_ChDir(conn, oldpath); + conn_free_internal(conn); + TALLOC_FREE(pdp); + return NT_STATUS_OK; +} + +static int setup_ver2_dfs_referral(const char *pathname, + char **ppdata, + struct junction_map *junction, + int consumedcnt, + bool self_referral) +{ + char* pdata = *ppdata; + + smb_ucs2_t *uni_requestedpath = NULL; + int uni_reqpathoffset1,uni_reqpathoffset2; + int uni_curroffset; + int requestedpathlen=0; + int offset; + int reply_size = 0; + int i=0; + + DEBUG(10,("Setting up version2 referral\nRequested path:\n")); + + requestedpathlen = rpcstr_push_talloc(talloc_tos(), + &uni_requestedpath, pathname); + if (uni_requestedpath == NULL || requestedpathlen == 0) { + return -1; + } + + if (DEBUGLVL(10)) { + dump_data(0, (unsigned char *)uni_requestedpath, + requestedpathlen); + } + + DEBUG(10,("ref count = %u\n",junction->referral_count)); + + uni_reqpathoffset1 = REFERRAL_HEADER_SIZE + + VERSION2_REFERRAL_SIZE * junction->referral_count; + + uni_reqpathoffset2 = uni_reqpathoffset1 + requestedpathlen; + + uni_curroffset = uni_reqpathoffset2 + requestedpathlen; + + reply_size = REFERRAL_HEADER_SIZE + + VERSION2_REFERRAL_SIZE*junction->referral_count + + 2 * requestedpathlen; + DEBUG(10,("reply_size: %u\n",reply_size)); + + /* add up the unicode lengths of all the referral paths */ + for(i=0;i<junction->referral_count;i++) { + DEBUG(10,("referral %u : %s\n", + i, + junction->referral_list[i].alternate_path)); + reply_size += + (strlen(junction->referral_list[i].alternate_path)+1)*2; + } + + DEBUG(10,("reply_size = %u\n",reply_size)); + /* add the unexplained 0x16 bytes */ + reply_size += 0x16; + + pdata = (char *)SMB_REALLOC(pdata,reply_size); + if(pdata == NULL) { + DEBUG(0,("Realloc failed!\n")); + return -1; + } + *ppdata = pdata; + + /* copy in the dfs requested paths.. required for offset calculations */ + memcpy(pdata+uni_reqpathoffset1,uni_requestedpath,requestedpathlen); + memcpy(pdata+uni_reqpathoffset2,uni_requestedpath,requestedpathlen); + + /* create the header */ + SSVAL(pdata,0,consumedcnt * 2); /* path consumed */ + /* number of referral in this pkt */ + SSVAL(pdata,2,junction->referral_count); + if(self_referral) { + SIVAL(pdata,4,DFSREF_REFERRAL_SERVER | DFSREF_STORAGE_SERVER); + } else { + SIVAL(pdata,4,DFSREF_STORAGE_SERVER); + } + + offset = 8; + /* add the referral elements */ + for(i=0;i<junction->referral_count;i++) { + struct referral* ref = &junction->referral_list[i]; + int unilen; + + SSVAL(pdata,offset,2); /* version 2 */ + SSVAL(pdata,offset+2,VERSION2_REFERRAL_SIZE); + if(self_referral) { + SSVAL(pdata,offset+4,1); + } else { + SSVAL(pdata,offset+4,0); + } + + /* ref_flags :use path_consumed bytes? */ + SSVAL(pdata,offset+6,0); + SIVAL(pdata,offset+8,ref->proximity); + SIVAL(pdata,offset+12,ref->ttl); + + SSVAL(pdata,offset+16,uni_reqpathoffset1-offset); + SSVAL(pdata,offset+18,uni_reqpathoffset2-offset); + /* copy referred path into current offset */ + unilen = rpcstr_push(pdata+uni_curroffset, + ref->alternate_path, + reply_size - uni_curroffset, + STR_UNICODE); + + SSVAL(pdata,offset+20,uni_curroffset-offset); + + uni_curroffset += unilen; + offset += VERSION2_REFERRAL_SIZE; + } + /* add in the unexplained 22 (0x16) bytes at the end */ + memset(pdata+uni_curroffset,'\0',0x16); + return reply_size; +} + +static int setup_ver3_dfs_referral(const char *pathname, + char **ppdata, + struct junction_map *junction, + int consumedcnt, + bool self_referral) +{ + char *pdata = *ppdata; + + smb_ucs2_t *uni_reqpath = NULL; + int uni_reqpathoffset1, uni_reqpathoffset2; + int uni_curroffset; + int reply_size = 0; + + int reqpathlen = 0; + int offset,i=0; + + DEBUG(10,("setting up version3 referral\n")); + + reqpathlen = rpcstr_push_talloc(talloc_tos(), &uni_reqpath, pathname); + if (uni_reqpath == NULL || reqpathlen == 0) { + return -1; + } + + if (DEBUGLVL(10)) { + dump_data(0, (unsigned char *)uni_reqpath, + reqpathlen); + } + + uni_reqpathoffset1 = REFERRAL_HEADER_SIZE + + VERSION3_REFERRAL_SIZE * junction->referral_count; + uni_reqpathoffset2 = uni_reqpathoffset1 + reqpathlen; + reply_size = uni_curroffset = uni_reqpathoffset2 + reqpathlen; + + for(i=0;i<junction->referral_count;i++) { + DEBUG(10,("referral %u : %s\n", + i, + junction->referral_list[i].alternate_path)); + reply_size += + (strlen(junction->referral_list[i].alternate_path)+1)*2; + } + + pdata = (char *)SMB_REALLOC(pdata,reply_size); + if(pdata == NULL) { + DEBUG(0,("version3 referral setup:" + "malloc failed for Realloc!\n")); + return -1; + } + *ppdata = pdata; + + /* create the header */ + SSVAL(pdata,0,consumedcnt * 2); /* path consumed */ + SSVAL(pdata,2,junction->referral_count); /* number of referral */ + if(self_referral) { + SIVAL(pdata,4,DFSREF_REFERRAL_SERVER | DFSREF_STORAGE_SERVER); + } else { + SIVAL(pdata,4,DFSREF_STORAGE_SERVER); + } + + /* copy in the reqpaths */ + memcpy(pdata+uni_reqpathoffset1,uni_reqpath,reqpathlen); + memcpy(pdata+uni_reqpathoffset2,uni_reqpath,reqpathlen); + + offset = 8; + for(i=0;i<junction->referral_count;i++) { + struct referral* ref = &(junction->referral_list[i]); + int unilen; + + SSVAL(pdata,offset,3); /* version 3 */ + SSVAL(pdata,offset+2,VERSION3_REFERRAL_SIZE); + if(self_referral) { + SSVAL(pdata,offset+4,1); + } else { + SSVAL(pdata,offset+4,0); + } + + /* ref_flags :use path_consumed bytes? */ + SSVAL(pdata,offset+6,0); + SIVAL(pdata,offset+8,ref->ttl); + + SSVAL(pdata,offset+12,uni_reqpathoffset1-offset); + SSVAL(pdata,offset+14,uni_reqpathoffset2-offset); + /* copy referred path into current offset */ + unilen = rpcstr_push(pdata+uni_curroffset,ref->alternate_path, + reply_size - uni_curroffset, + STR_UNICODE | STR_TERMINATE); + SSVAL(pdata,offset+16,uni_curroffset-offset); + /* copy 0x10 bytes of 00's in the ServiceSite GUID */ + memset(pdata+offset+18,'\0',16); + + uni_curroffset += unilen; + offset += VERSION3_REFERRAL_SIZE; + } + return reply_size; +} + +/****************************************************************** + Set up the DFS referral for the dfs pathname. This call returns + the amount of the path covered by this server, and where the + client should be redirected to. This is the meat of the + TRANS2_GET_DFS_REFERRAL call. +******************************************************************/ + +int setup_dfs_referral(connection_struct *orig_conn, + const char *dfs_path, + int max_referral_level, + char **ppdata, NTSTATUS *pstatus) +{ + struct junction_map *junction = NULL; + int consumedcnt = 0; + bool self_referral = False; + int reply_size = 0; + char *pathnamep = NULL; + char *local_dfs_path = NULL; + TALLOC_CTX *ctx; + + if (!(ctx=talloc_init("setup_dfs_referral"))) { + *pstatus = NT_STATUS_NO_MEMORY; + return -1; + } + + /* get the junction entry */ + if (!dfs_path) { + talloc_destroy(ctx); + *pstatus = NT_STATUS_NOT_FOUND; + return -1; + } + + /* + * Trim pathname sent by client so it begins with only one backslash. + * Two backslashes confuse some dfs clients + */ + + local_dfs_path = talloc_strdup(ctx,dfs_path); + if (!local_dfs_path) { + *pstatus = NT_STATUS_NO_MEMORY; + talloc_destroy(ctx); + return -1; + } + pathnamep = local_dfs_path; + while (IS_DIRECTORY_SEP(pathnamep[0]) && + IS_DIRECTORY_SEP(pathnamep[1])) { + pathnamep++; + } + + junction = TALLOC_ZERO_P(ctx, struct junction_map); + if (!junction) { + *pstatus = NT_STATUS_NO_MEMORY; + talloc_destroy(ctx); + return -1; + } + + /* The following call can change cwd. */ + *pstatus = get_referred_path(ctx, pathnamep, junction, + &consumedcnt, &self_referral); + if (!NT_STATUS_IS_OK(*pstatus)) { + vfs_ChDir(orig_conn,orig_conn->connectpath); + talloc_destroy(ctx); + return -1; + } + vfs_ChDir(orig_conn,orig_conn->connectpath); + + if (!self_referral) { + pathnamep[consumedcnt] = '\0'; + + if( DEBUGLVL( 3 ) ) { + int i=0; + dbgtext("setup_dfs_referral: Path %s to " + "alternate path(s):", + pathnamep); + for(i=0;i<junction->referral_count;i++) + dbgtext(" %s", + junction->referral_list[i].alternate_path); + dbgtext(".\n"); + } + } + + /* create the referral depeding on version */ + DEBUG(10,("max_referral_level :%d\n",max_referral_level)); + + if (max_referral_level < 2) { + max_referral_level = 2; + } + if (max_referral_level > 3) { + max_referral_level = 3; + } + + switch(max_referral_level) { + case 2: + reply_size = setup_ver2_dfs_referral(pathnamep, + ppdata, junction, + consumedcnt, self_referral); + break; + case 3: + reply_size = setup_ver3_dfs_referral(pathnamep, ppdata, + junction, consumedcnt, self_referral); + break; + default: + DEBUG(0,("setup_dfs_referral: Invalid dfs referral " + "version: %d\n", + max_referral_level)); + talloc_destroy(ctx); + *pstatus = NT_STATUS_INVALID_LEVEL; + return -1; + } + + if (DEBUGLVL(10)) { + DEBUGADD(0,("DFS Referral pdata:\n")); + dump_data(0,(uint8 *)*ppdata,reply_size); + } + + talloc_destroy(ctx); + *pstatus = NT_STATUS_OK; + return reply_size; +} + +/********************************************************************** + The following functions are called by the NETDFS RPC pipe functions + **********************************************************************/ + +/********************************************************************* + Creates a junction structure from a DFS pathname +**********************************************************************/ + +bool create_junction(TALLOC_CTX *ctx, + const char *dfs_path, + struct junction_map *jucn) +{ + int snum; + bool dummy; + struct dfs_path *pdp = TALLOC_P(ctx,struct dfs_path); + NTSTATUS status; + + if (!pdp) { + return False; + } + status = parse_dfs_path(NULL, dfs_path, False, pdp, &dummy); + if (!NT_STATUS_IS_OK(status)) { + return False; + } + + /* check if path is dfs : validate first token */ + if (!is_myname_or_ipaddr(pdp->hostname)) { + DEBUG(4,("create_junction: Invalid hostname %s " + "in dfs path %s\n", + pdp->hostname, dfs_path)); + TALLOC_FREE(pdp); + return False; + } + + /* Check for a non-DFS share */ + snum = lp_servicenumber(pdp->servicename); + + if(snum < 0 || !lp_msdfs_root(snum)) { + DEBUG(4,("create_junction: %s is not an msdfs root.\n", + pdp->servicename)); + TALLOC_FREE(pdp); + return False; + } + + jucn->service_name = talloc_strdup(ctx, pdp->servicename); + jucn->volume_name = talloc_strdup(ctx, pdp->reqpath); + jucn->comment = talloc_strdup(ctx, lp_comment(snum)); + + TALLOC_FREE(pdp); + if (!jucn->service_name || !jucn->volume_name || ! jucn->comment) { + return False; + } + return True; +} + +/********************************************************************** + Forms a valid Unix pathname from the junction + **********************************************************************/ + +static bool junction_to_local_path(const struct junction_map *jucn, + char **pp_path_out, + connection_struct **conn_out, + char **oldpath) +{ + int snum; + NTSTATUS status; + + snum = lp_servicenumber(jucn->service_name); + if(snum < 0) { + return False; + } + status = create_conn_struct(talloc_tos(), conn_out, snum, + lp_pathname(snum), oldpath); + if (!NT_STATUS_IS_OK(status)) { + return False; + } + + *pp_path_out = talloc_asprintf(*conn_out, + "%s/%s", + lp_pathname(snum), + jucn->volume_name); + if (!*pp_path_out) { + vfs_ChDir(*conn_out, *oldpath); + conn_free_internal(*conn_out); + return False; + } + return True; +} + +bool create_msdfs_link(const struct junction_map *jucn) +{ + char *path = NULL; + char *cwd; + char *msdfs_link = NULL; + connection_struct *conn; + int i=0; + bool insert_comma = False; + bool ret = False; + + if(!junction_to_local_path(jucn, &path, &conn, &cwd)) { + return False; + } + + /* Form the msdfs_link contents */ + msdfs_link = talloc_strdup(conn, "msdfs:"); + if (!msdfs_link) { + goto out; + } + for(i=0; i<jucn->referral_count; i++) { + char *refpath = jucn->referral_list[i].alternate_path; + + /* Alternate paths always use Windows separators. */ + trim_char(refpath, '\\', '\\'); + if(*refpath == '\0') { + if (i == 0) { + insert_comma = False; + } + continue; + } + if (i > 0 && insert_comma) { + msdfs_link = talloc_asprintf_append_buffer(msdfs_link, + ",%s", + refpath); + } else { + msdfs_link = talloc_asprintf_append_buffer(msdfs_link, + "%s", + refpath); + } + + if (!msdfs_link) { + goto out; + } + if (!insert_comma) { + insert_comma = True; + } + } + + DEBUG(5,("create_msdfs_link: Creating new msdfs link: %s -> %s\n", + path, msdfs_link)); + + if(SMB_VFS_SYMLINK(conn, msdfs_link, path) < 0) { + if (errno == EEXIST) { + if(SMB_VFS_UNLINK(conn,path)!=0) { + goto out; + } + } + if (SMB_VFS_SYMLINK(conn, msdfs_link, path) < 0) { + DEBUG(1,("create_msdfs_link: symlink failed " + "%s -> %s\nError: %s\n", + path, msdfs_link, strerror(errno))); + goto out; + } + } + + ret = True; + +out: + vfs_ChDir(conn, cwd); + conn_free_internal(conn); + return ret; +} + +bool remove_msdfs_link(const struct junction_map *jucn) +{ + char *path = NULL; + char *cwd; + connection_struct *conn; + bool ret = False; + + if (!junction_to_local_path(jucn, &path, &conn, &cwd)) { + return false; + } + + if( SMB_VFS_UNLINK(conn, path) == 0 ) { + ret = True; + } + + vfs_ChDir(conn, cwd); + conn_free_internal(conn); + return ret; +} + +/********************************************************************* + Return the number of DFS links at the root of this share. +*********************************************************************/ + +static int count_dfs_links(TALLOC_CTX *ctx, int snum) +{ + size_t cnt = 0; + SMB_STRUCT_DIR *dirp = NULL; + char *dname = NULL; + const char *connect_path = lp_pathname(snum); + const char *msdfs_proxy = lp_msdfs_proxy(snum); + connection_struct *conn; + NTSTATUS status; + char *cwd; + + if(*connect_path == '\0') { + return 0; + } + + /* + * Fake up a connection struct for the VFS layer. + */ + + status = create_conn_struct(talloc_tos(), &conn, snum, connect_path, + &cwd); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("create_conn_struct failed: %s\n", + nt_errstr(status))); + return 0; + } + + /* Count a link for the msdfs root - convention */ + cnt = 1; + + /* No more links if this is an msdfs proxy. */ + if (*msdfs_proxy != '\0') { + goto out; + } + + /* Now enumerate all dfs links */ + dirp = SMB_VFS_OPENDIR(conn, ".", NULL, 0); + if(!dirp) { + goto out; + } + + while ((dname = vfs_readdirname(conn, dirp)) != NULL) { + if (is_msdfs_link(conn, + dname, + NULL)) { + cnt++; + } + } + + SMB_VFS_CLOSEDIR(conn,dirp); + +out: + vfs_ChDir(conn, cwd); + conn_free_internal(conn); + return cnt; +} + +/********************************************************************* +*********************************************************************/ + +static int form_junctions(TALLOC_CTX *ctx, + int snum, + struct junction_map *jucn, + size_t jn_remain) +{ + size_t cnt = 0; + SMB_STRUCT_DIR *dirp = NULL; + char *dname = NULL; + const char *connect_path = lp_pathname(snum); + char *service_name = lp_servicename(snum); + const char *msdfs_proxy = lp_msdfs_proxy(snum); + connection_struct *conn; + struct referral *ref = NULL; + char *cwd; + NTSTATUS status; + + if (jn_remain == 0) { + return 0; + } + + if(*connect_path == '\0') { + return 0; + } + + /* + * Fake up a connection struct for the VFS layer. + */ + + status = create_conn_struct(ctx, &conn, snum, connect_path, &cwd); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("create_conn_struct failed: %s\n", + nt_errstr(status))); + return 0; + } + + /* form a junction for the msdfs root - convention + DO NOT REMOVE THIS: NT clients will not work with us + if this is not present + */ + jucn[cnt].service_name = talloc_strdup(ctx,service_name); + jucn[cnt].volume_name = talloc_strdup(ctx, ""); + if (!jucn[cnt].service_name || !jucn[cnt].volume_name) { + goto out; + } + jucn[cnt].comment = ""; + jucn[cnt].referral_count = 1; + + ref = jucn[cnt].referral_list = TALLOC_ZERO_P(ctx, struct referral); + if (jucn[cnt].referral_list == NULL) { + goto out; + } + + ref->proximity = 0; + ref->ttl = REFERRAL_TTL; + if (*msdfs_proxy != '\0') { + ref->alternate_path = talloc_strdup(ctx, + msdfs_proxy); + } else { + ref->alternate_path = talloc_asprintf(ctx, + "\\\\%s\\%s", + get_local_machine_name(), + service_name); + } + + if (!ref->alternate_path) { + goto out; + } + cnt++; + + /* Don't enumerate if we're an msdfs proxy. */ + if (*msdfs_proxy != '\0') { + goto out; + } + + /* Now enumerate all dfs links */ + dirp = SMB_VFS_OPENDIR(conn, ".", NULL, 0); + if(!dirp) { + goto out; + } + + while ((dname = vfs_readdirname(conn, dirp)) != NULL) { + char *link_target = NULL; + if (cnt >= jn_remain) { + DEBUG(2, ("form_junctions: ran out of MSDFS " + "junction slots")); + goto out; + } + if (is_msdfs_link_internal(ctx, + conn, + dname, &link_target, + NULL)) { + if (parse_msdfs_symlink(ctx, + link_target, + &jucn[cnt].referral_list, + &jucn[cnt].referral_count)) { + + jucn[cnt].service_name = talloc_strdup(ctx, + service_name); + jucn[cnt].volume_name = talloc_strdup(ctx, + dname); + if (!jucn[cnt].service_name || + !jucn[cnt].volume_name) { + goto out; + } + jucn[cnt].comment = ""; + cnt++; + } + TALLOC_FREE(link_target); + } + } + +out: + + if (dirp) { + SMB_VFS_CLOSEDIR(conn,dirp); + } + + vfs_ChDir(conn, cwd); + conn_free_internal(conn); + return cnt; +} + +struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx, size_t *p_num_jn) +{ + struct junction_map *jn = NULL; + int i=0; + size_t jn_count = 0; + int sharecount = 0; + + *p_num_jn = 0; + if(!lp_host_msdfs()) { + return NULL; + } + + /* Ensure all the usershares are loaded. */ + become_root(); + load_registry_shares(); + sharecount = load_usershare_shares(); + unbecome_root(); + + for(i=0;i < sharecount;i++) { + if(lp_msdfs_root(i)) { + jn_count += count_dfs_links(ctx, i); + } + } + if (jn_count == 0) { + return NULL; + } + jn = TALLOC_ARRAY(ctx, struct junction_map, jn_count); + if (!jn) { + return NULL; + } + for(i=0; i < sharecount; i++) { + if (*p_num_jn >= jn_count) { + break; + } + if(lp_msdfs_root(i)) { + *p_num_jn += form_junctions(ctx, i, + &jn[*p_num_jn], + jn_count - *p_num_jn); + } + } + return jn; +} + +/****************************************************************************** + Core function to resolve a dfs pathname. +******************************************************************************/ + +NTSTATUS resolve_dfspath(TALLOC_CTX *ctx, + connection_struct *conn, + bool dfs_pathnames, + const char *name_in, + char **pp_name_out) +{ + NTSTATUS status = NT_STATUS_OK; + bool dummy; + if (dfs_pathnames) { + status = dfs_redirect(ctx, + conn, + name_in, + False, + pp_name_out, + &dummy); + } else { + /* + * Cheat and just return a copy of the in ptr. + * Once srvstr_get_path() uses talloc it'll + * be a talloced ptr anyway. + */ + *pp_name_out = CONST_DISCARD(char *,name_in); + } + return status; +} + +/****************************************************************************** + Core function to resolve a dfs pathname possibly containing a wildcard. + This function is identical to the above except for the bool param to + dfs_redirect but I need this to be separate so it's really clear when + we're allowing wildcards and when we're not. JRA. +******************************************************************************/ + +NTSTATUS resolve_dfspath_wcard(TALLOC_CTX *ctx, + connection_struct *conn, + bool dfs_pathnames, + const char *name_in, + char **pp_name_out, + bool *ppath_contains_wcard) +{ + NTSTATUS status = NT_STATUS_OK; + if (dfs_pathnames) { + status = dfs_redirect(ctx, + conn, + name_in, + True, + pp_name_out, + ppath_contains_wcard); + } else { + /* + * Cheat and just return a copy of the in ptr. + * Once srvstr_get_path() uses talloc it'll + * be a talloced ptr anyway. + */ + *pp_name_out = CONST_DISCARD(char *,name_in); + } + return status; +} |