diff options
Diffstat (limited to 'source/libsmb/libsmbclient.c')
| -rw-r--r-- | source/libsmb/libsmbclient.c | 4534 |
1 files changed, 4534 insertions, 0 deletions
diff --git a/source/libsmb/libsmbclient.c b/source/libsmb/libsmbclient.c new file mode 100644 index 00000000000..68bb6661ebd --- /dev/null +++ b/source/libsmb/libsmbclient.c @@ -0,0 +1,4534 @@ +/* + Unix SMB/Netbios implementation. + SMB client library implementation + Copyright (C) Andrew Tridgell 1998 + Copyright (C) Richard Sharpe 2000, 2002 + Copyright (C) John Terpstra 2000 + Copyright (C) Tom Jansen (Ninja ISD) 2002 + Copyright (C) Derrell Lipman 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 + 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 "../include/libsmb_internal.h" + +/* + * Internal flags for extended attributes + */ + +/* internal mode values */ +#define SMBC_XATTR_MODE_ADD 1 +#define SMBC_XATTR_MODE_REMOVE 2 +#define SMBC_XATTR_MODE_REMOVE_ALL 3 +#define SMBC_XATTR_MODE_SET 4 +#define SMBC_XATTR_MODE_CHOWN 5 +#define SMBC_XATTR_MODE_CHGRP 6 + +#define CREATE_ACCESS_READ READ_CONTROL_ACCESS + +/*We should test for this in configure ... */ +#ifndef ENOTSUP +#define ENOTSUP EOPNOTSUPP +#endif + +/* + * Functions exported by libsmb_cache.c that we need here + */ +int smbc_default_cache_functions(SMBCCTX *context); + +/* + * check if an element is part of the list. + * FIXME: Does not belong here ! + * Can anyone put this in a macro in dlinklist.h ? + * -- Tom + */ +static int DLIST_CONTAINS(SMBCFILE * list, SMBCFILE *p) { + if (!p || !list) return False; + do { + if (p == list) return True; + list = list->next; + } while (list); + return False; +} + +extern BOOL in_client; + +/* + * Is the logging working / configfile read ? + */ +static int smbc_initialized = 0; + +static int +hex2int( unsigned int _char ) +{ + if ( _char >= 'A' && _char <='F') + return _char - 'A' + 10; + if ( _char >= 'a' && _char <='f') + return _char - 'a' + 10; + if ( _char >= '0' && _char <='9') + return _char - '0'; + return -1; +} + +static void +decode_urlpart(char *segment, size_t sizeof_segment) +{ + int old_length = strlen(segment); + int new_length = 0; + int new_length2 = 0; + int i = 0; + pstring new_segment; + char *new_usegment = 0; + + if ( !old_length ) { + return; + } + + /* make a copy of the old one */ + new_usegment = (char*)malloc( old_length * 3 + 1 ); + + while( i < old_length ) { + int bReencode = False; + unsigned char character = segment[ i++ ]; + if ((character <= ' ') || (character > 127)) + bReencode = True; + + new_usegment [ new_length2++ ] = character; + if (character == '%' ) { + int a = i+1 < old_length ? hex2int( segment[i] ) : -1; + int b = i+1 < old_length ? hex2int( segment[i+1] ) : -1; + if ((a == -1) || (b == -1)) { /* Only replace if sequence is valid */ + /* Contains stray %, make sure to re-encode! */ + bReencode = True; + } else { + /* Valid %xx sequence */ + character = a * 16 + b; /* Replace with value of %dd */ + if (!character) + break; /* Stop at %00 */ + + new_usegment [ new_length2++ ] = (unsigned char) segment[i++]; + new_usegment [ new_length2++ ] = (unsigned char) segment[i++]; + } + } + if (bReencode) { + unsigned int c = character / 16; + new_length2--; + new_usegment [ new_length2++ ] = '%'; + + c += (c > 9) ? ('A' - 10) : '0'; + new_usegment[ new_length2++ ] = c; + + c = character % 16; + c += (c > 9) ? ('A' - 10) : '0'; + new_usegment[ new_length2++ ] = c; + } + + new_segment [ new_length++ ] = character; + } + new_segment [ new_length ] = 0; + + free(new_usegment); + + /* realloc it with unix charset */ + pull_utf8_allocate(&new_usegment, new_segment); + + /* this assumes (very safely) that removing %aa sequences + only shortens the string */ + strncpy(segment, new_usegment, sizeof_segment); + + free(new_usegment); +} + +/* + * Function to parse a path and turn it into components + * + * The general format of an SMB URI is explain in Christopher Hertel's CIFS + * book, at http://ubiqx.org/cifs/Appendix-D.html. We accept a subset of the + * general format ("smb:" only; we do not look for "cifs:"), and expand on + * what he calls "context", herein called "options" to avoid conflict with the + * SMBCCTX context used throughout this library. We add the "mb" keyword + * which applies as follows: + * + * + * We accept: + * smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]][?options] + * + * Meaning of URLs: + * + * smb:// show all workgroups known by the first master browser found + * smb://?mb=.any same as smb:// (i.e. without any options) + * + * smb://?mb=.all show all workgroups known by every master browser found. + * Why might you want this? In an "appliance" application + * where the workgroup/domain being used on the local network + * is not known ahead of time, but where one wanted to + * provide network services via samba, a unique workgroup + * could be used. However, when the appliance is first + * started, the local samba instance's master browser has not + * synchronized with the other master browser(s) on the + * network (and might not synchronize for 12 minutes) and + * therefore is not aware of the workgroup/ domain names + * available on the network. This option may be used to + * overcome the problem of a libsmbclient application + * arbitrarily selecting the local (still ignorant) master + * browser to obtain its list of workgroups/domains and + * getting back a practically emmpty list. By requesting + * the list of workgroups/domains from each found master + * browser on the local network, a complete list of + * workgroups/domains can be built. + * + * smb://?mb=name NOT YET IMPLEMENTED -- show all workgroups known by the + * master browser whose name is "name" + * + * smb://name/ if name<1D> or name<1B> exists, list servers in + * workgroup, else, if name<20> exists, list all shares + * for server ... + * + * If "options" are provided, this function returns the entire option list as + * a string, for later parsing by the caller. + */ + +static const char *smbc_prefix = "smb:"; + +static int +smbc_parse_path(SMBCCTX *context, + const char *fname, + char *server, int server_len, + char *share, int share_len, + char *path, int path_len, + char *user, int user_len, + char *password, int password_len, + char *options, int options_len) +{ + static pstring s; + pstring userinfo; + const char *p; + char *q, *r; + int len; + + server[0] = share[0] = path[0] = user[0] = password[0] = (char)0; + if (options != NULL && options_len > 0) { + options[0] = (char)0; + } + pstrcpy(s, fname); + + /* see if it has the right prefix */ + len = strlen(smbc_prefix); + if (strncmp(s,smbc_prefix,len) || (s[len] != '/' && s[len] != 0)) { + return -1; /* What about no smb: ? */ + } + + p = s + len; + + /* Watch the test below, we are testing to see if we should exit */ + + if (strncmp(p, "//", 2) && strncmp(p, "\\\\", 2)) { + + DEBUG(1, ("Invalid path (does not begin with smb://")); + return -1; + + } + + p += 2; /* Skip the double slash */ + + /* See if any options were specified */ + if (q = strrchr(p, '?')) { + /* There are options. Null terminate here and point to them */ + *q++ = '\0'; + + DEBUG(4, ("Found options '%s'", q)); + + /* Copy the options */ + if (options != NULL && options_len > 0) { + safe_strcpy(options, q, options_len - 1); + } + } + + if (*p == (char)0) + goto decoding; + + if (*p == '/') { + + strncpy(server, context->workgroup, + (strlen(context->workgroup) < 16)?strlen(context->workgroup):16); + return 0; + + } + + /* + * ok, its for us. Now parse out the server, share etc. + * + * However, we want to parse out [[domain;]user[:password]@] if it + * exists ... + */ + + /* check that '@' occurs before '/', if '/' exists at all */ + q = strchr_m(p, '@'); + r = strchr_m(p, '/'); + if (q && (!r || q < r)) { + pstring username, passwd, domain; + const char *u = userinfo; + + next_token(&p, userinfo, "@", sizeof(fstring)); + + username[0] = passwd[0] = domain[0] = 0; + + if (strchr_m(u, ';')) { + + next_token(&u, domain, ";", sizeof(fstring)); + + } + + if (strchr_m(u, ':')) { + + next_token(&u, username, ":", sizeof(fstring)); + + pstrcpy(passwd, u); + + } + else { + + pstrcpy(username, u); + + } + + if (username[0]) + strncpy(user, username, user_len); /* FIXME, domain */ + + if (passwd[0]) + strncpy(password, passwd, password_len); + + } + + if (!next_token(&p, server, "/", sizeof(fstring))) { + + return -1; + + } + + if (*p == (char)0) goto decoding; /* That's it ... */ + + if (!next_token(&p, share, "/", sizeof(fstring))) { + + return -1; + + } + + safe_strcpy(path, p, path_len - 1); + + all_string_sub(path, "/", "\\", 0); + + decoding: + decode_urlpart(path, path_len); + decode_urlpart(server, server_len); + decode_urlpart(share, share_len); + decode_urlpart(user, user_len); + decode_urlpart(password, password_len); + + return 0; +} + +/* + * Verify that the options specified in a URL are valid + */ +static int smbc_check_options(char *server, char *share, char *path, char *options) +{ + DEBUG(4, ("smbc_check_options(): server='%s' share='%s' path='%s' options='%s'\n", server, share, path, options)); + + /* No options at all is always ok */ + if (! *options) return 0; + + /* + * For right now, we only support a very few options possibilities. + * No options are supported if server, share, or path are not empty. + * If all are empty, then we support the following two choices right + * now: + * + * mb=.any + * mb=.all + */ + if ((*server || *share || *path) && *options) { + /* Invalid: options provided with server, share, or path */ + DEBUG(1, ("Found unsupported options (%s) with non-empty server, share, or path\n", options)); + return -1; + } + + if (strcmp(options, "mb=.any") != 0 && + strcmp(options, "mb=.all") != 0) { + DEBUG(1, ("Found unsupported options (%s)\n", options)); + return -1; + } + + return 0; +} + +/* + * Convert an SMB error into a UNIX error ... + */ +static int smbc_errno(SMBCCTX *context, struct cli_state *c) +{ + int ret = cli_errno(c); + + if (cli_is_dos_error(c)) { + uint8 eclass; + uint32 ecode; + + cli_dos_error(c, &eclass, &ecode); + + DEBUG(3,("smbc_error %d %d (0x%x) -> %d\n", + (int)eclass, (int)ecode, (int)ecode, ret)); + } else { + NTSTATUS status; + + status = cli_nt_error(c); + + DEBUG(3,("smbc errno %s -> %d\n", + nt_errstr(status), ret)); + } + + return ret; +} + +/* + * Check a server_fd. + * returns 0 if the server is in shape. Returns 1 on error + * + * Also useable outside libsmbclient to enable external cache + * to do some checks too. + */ +int smbc_check_server(SMBCCTX * context, SMBCSRV * server) +{ + if ( send_keepalive(server->cli.fd) == False ) + return 1; + + /* connection is ok */ + return 0; +} + +/* + * Remove a server from the cached server list it's unused. + * On success, 0 is returned. 1 is returned if the server could not be removed. + * + * Also useable outside libsmbclient + */ +int smbc_remove_unused_server(SMBCCTX * context, SMBCSRV * srv) +{ + SMBCFILE * file; + + /* are we being fooled ? */ + if (!context || !context->internal || + !context->internal->_initialized || !srv) return 1; + + + /* Check all open files/directories for a relation with this server */ + for (file = context->internal->_files; file; file=file->next) { + if (file->srv == srv) { + /* Still used */ + DEBUG(3, ("smbc_remove_usused_server: %p still used by %p.\n", + srv, file)); + return 1; + } + } + + DLIST_REMOVE(context->internal->_servers, srv); + + cli_shutdown(&srv->cli); + + DEBUG(3, ("smbc_remove_usused_server: %p removed.\n", srv)); + + context->callbacks.remove_cached_srv_fn(context, srv); + + SAFE_FREE(srv); + + return 0; +} + +SMBCSRV *find_server(SMBCCTX *context, + const char *server, + const char *share, + fstring workgroup, + fstring username, + fstring password) +{ + SMBCSRV *srv; + int auth_called = 0; + + check_server_cache: + + srv = context->callbacks.get_cached_srv_fn(context, server, share, + workgroup, username); + + if (!auth_called && !srv && (!username[0] || !password[0])) { + context->callbacks.auth_fn(server, share, + workgroup, sizeof(fstring), + username, sizeof(fstring), + password, sizeof(fstring)); + /* + * However, smbc_auth_fn may have picked up info relating to + * an existing connection, so try for an existing connection + * again ... + */ + auth_called = 1; + goto check_server_cache; + + } + + if (srv) { + if (context->callbacks.check_server_fn(context, srv)) { + /* + * This server is no good anymore + * Try to remove it and check for more possible + * servers in the cache + */ + if (context->callbacks.remove_unused_server_fn(context, + srv)) { + /* + * We could not remove the server completely, + * remove it from the cache so we will not get + * it again. It will be removed when the last + * file/dir is closed. + */ + context->callbacks.remove_cached_srv_fn(context, + srv); + } + + /* + * Maybe there are more cached connections to this + * server + */ + goto check_server_cache; + } + return srv; + } + + return NULL; +} + +/* + * Connect to a server, possibly on an existing connection + * + * Here, what we want to do is: If the server and username + * match an existing connection, reuse that, otherwise, establish a + * new connection. + * + * If we have to create a new connection, call the auth_fn to get the + * info we need, unless the username and password were passed in. + */ + +SMBCSRV *smbc_server(SMBCCTX *context, + const char *server, const char *share, + fstring workgroup, fstring username, + fstring password) +{ + SMBCSRV *srv=NULL; + struct cli_state c; + struct nmb_name called, calling; + char *p; + const char *server_n = server; + fstring group; + pstring ipenv; + struct in_addr ip; + int tried_reverse = 0; + + zero_ip(&ip); + ZERO_STRUCT(c); + + if (server[0] == 0) { + errno = EPERM; + return NULL; + } + + srv = find_server(context, server, share, + workgroup, username, password); + if (srv) + return srv; + + make_nmb_name(&calling, context->netbios_name, 0x0); + make_nmb_name(&called , server, 0x20); + + DEBUG(4,("smbc_server: server_n=[%s] server=[%s]\n", server_n, server)); + +#if 0 /* djl: obsolete code? neither group nor p is used beyond here */ + if ((p=strchr_m(server_n,'#')) && + (strcmp(p+1,"1D")==0 || strcmp(p+1,"01")==0)) { + + fstrcpy(group, server_n); + p = strchr_m(group,'#'); + *p = 0; + + } +#endif + + DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server)); + + again: + slprintf(ipenv,sizeof(ipenv)-1,"HOST_%s", server_n); + + zero_ip(&ip); + + /* have to open a new connection */ + if (!cli_initialise(&c)) { + errno = ENOMEM; + return NULL; + } + + c.timeout = context->timeout; + + /* Force use of port 139 for first try, so browse lists can work */ + c.port = 139; + + if (!cli_connect(&c, server_n, &ip)) { + /* + * Port 139 connection failed. Try port 445 to handle + * connections to newer (e.g. XP) hosts with NetBIOS disabled. + */ + c.port = 445; + if (!cli_connect(&c, server_n, &ip)) { + errno = ENETUNREACH; + return NULL; + } + } + + if (!cli_session_request(&c, &calling, &called)) { + cli_shutdown(&c); + if (strcmp(called.name, "*SMBSERVER")) { + make_nmb_name(&called , "*SMBSERVER", 0x20); + goto again; + } + else { /* Try one more time, but ensure we don't loop */ + + /* Only try this if server is an IP address ... */ + + if (is_ipaddress(server) && !tried_reverse) { + fstring remote_name; + struct in_addr rem_ip; + + if ((rem_ip.s_addr=inet_addr(server)) == INADDR_NONE) { + DEBUG(4, ("Could not convert IP address %s to struct in_addr\n", server)); + errno = ENOENT; + return NULL; + } + + tried_reverse++; /* Yuck */ + + if (name_status_find("*", 0, 0, rem_ip, remote_name)) { + make_nmb_name(&called, remote_name, 0x20); + goto again; + } + + + } + } + errno = ENOENT; + return NULL; + } + + DEBUG(4,(" session request ok\n")); + + if (!cli_negprot(&c)) { + cli_shutdown(&c); + errno = ENOENT; + return NULL; + } + + if (!cli_session_setup(&c, username, + password, strlen(password), + password, strlen(password), + workgroup) && + /* try an anonymous login if it failed */ + !cli_session_setup(&c, "", "", 1,"", 0, workgroup)) { + cli_shutdown(&c); + errno = EPERM; + return NULL; + } + + DEBUG(4,(" session setup ok\n")); + + if (!cli_send_tconX(&c, share, "?????", + password, strlen(password)+1)) { + errno = smbc_errno(context, &c); + cli_shutdown(&c); + return NULL; + } + + DEBUG(4,(" tconx ok\n")); + + /* + * Ok, we have got a nice connection + * Let's find a free server_fd + */ + + srv = (SMBCSRV *)malloc(sizeof(*srv)); + if (!srv) { + errno = ENOMEM; + goto failed; + } + + ZERO_STRUCTP(srv); + srv->cli = c; + srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share)); + + /* now add it to the cache (internal or external) */ + if (context->callbacks.add_cached_srv_fn(context, srv, server, share, workgroup, username)) { + DEBUG(3, (" Failed to add server to cache\n")); + goto failed; + } + + + DEBUG(2, ("Server connect ok: //%s/%s: %p\n", + server, share, srv)); + + DLIST_ADD(context->internal->_servers, srv); + return srv; + + failed: + cli_shutdown(&c); + if (!srv) return NULL; + + SAFE_FREE(srv); + return NULL; +} + +/* + * Connect to a server for getting/setting attributes, possibly on an existing + * connection. This works similarly to smbc_server(). + */ +SMBCSRV *smbc_attr_server(SMBCCTX *context, + const char *server, const char *share, + fstring workgroup, + fstring username, fstring password, + POLICY_HND *pol) +{ + struct in_addr ip; + struct cli_state *ipc_cli; + NTSTATUS nt_status; + SMBCSRV *ipc_srv=NULL; + + /* + * See if we've already created this special connection. Reference + * our "special" share name 'IPC$$'. + */ + ipc_srv = find_server(context, server, "IPC$$", + workgroup, username, password); + if (!ipc_srv) { + + /* We didn't find a cached connection. Get the password */ + if (*password == '\0') { + /* ... then retrieve it now. */ + context->callbacks.auth_fn(server, share, + workgroup, sizeof(fstring), + username, sizeof(fstring), + password, sizeof(fstring)); + } + + zero_ip(&ip); + nt_status = cli_full_connection(&ipc_cli, + global_myname(), server, + &ip, 0, "IPC$", "?????", + username, workgroup, + password, 0, + Undefined, NULL); + if (! NT_STATUS_IS_OK(nt_status)) { + DEBUG(1,("cli_full_connection failed! (%s)\n", + nt_errstr(nt_status))); + errno = ENOTSUP; + return NULL; + } + + if (!cli_nt_session_open(ipc_cli, PI_LSARPC)) { + DEBUG(1, ("cli_nt_session_open fail!\n")); + errno = ENOTSUP; + cli_shutdown(ipc_cli); + return NULL; + } + + /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED, + but NT sends 0x2000000 so we might as well do it too. */ + + nt_status = cli_lsa_open_policy(ipc_cli, + ipc_cli->mem_ctx, + True, + GENERIC_EXECUTE_ACCESS, + pol); + + if (!NT_STATUS_IS_OK(nt_status)) { + errno = smbc_errno(context, ipc_cli); + cli_shutdown(ipc_cli); + return NULL; + } + + ipc_srv = (SMBCSRV *)malloc(sizeof(*ipc_srv)); + if (!ipc_srv) { + errno = ENOMEM; + cli_shutdown(ipc_cli); + return NULL; + } + + ZERO_STRUCTP(ipc_srv); + ipc_srv->cli = *ipc_cli; + + free(ipc_cli); + + /* now add it to the cache (internal or external) */ + + errno = 0; /* let cache function set errno if it likes */ + if (context->callbacks.add_cached_srv_fn(context, ipc_srv, + server, + "IPC$$", + workgroup, + username)) { + DEBUG(3, (" Failed to add server to cache\n")); + if (errno == 0) { + errno = ENOMEM; + } + cli_shutdown(&ipc_srv->cli); + free(ipc_srv); + return NULL; + } + + DLIST_ADD(context->internal->_servers, ipc_srv); + } + + return ipc_srv; +} + +/* + * Routine to open() a file ... + */ + +static SMBCFILE *smbc_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode) +{ + fstring server, share, user, password, workgroup; + pstring path; + SMBCSRV *srv = NULL; + SMBCFILE *file = NULL; + int fd; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return NULL; + + } + + if (!fname) { + + errno = EINVAL; + return NULL; + + } + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return NULL; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + if (errno == EPERM) errno = EACCES; + return NULL; /* smbc_server sets errno */ + + } + + /* Hmmm, the test for a directory is suspect here ... FIXME */ + + if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') { + + fd = -1; + + } + else { + + file = malloc(sizeof(SMBCFILE)); + + if (!file) { + + errno = ENOMEM; + return NULL; + + } + + ZERO_STRUCTP(file); + + if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) { + + /* Handle the error ... */ + + SAFE_FREE(file); + errno = smbc_errno(context, &srv->cli); + return NULL; + + } + + /* Fill in file struct */ + + file->cli_fd = fd; + file->fname = strdup(fname); + file->srv = srv; + file->offset = 0; + file->file = True; + + DLIST_ADD(context->internal->_files, file); + return file; + + } + + /* Check if opendir needed ... */ + + if (fd == -1) { + int eno = 0; + + eno = smbc_errno(context, &srv->cli); + file = context->opendir(context, fname); + if (!file) errno = eno; + return file; + + } + + errno = EINVAL; /* FIXME, correct errno ? */ + return NULL; + +} + +/* + * Routine to create a file + */ + +static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */ + +static SMBCFILE *smbc_creat_ctx(SMBCCTX *context, const char *path, mode_t mode) +{ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return NULL; + + } + + return smbc_open_ctx(context, path, creat_bits, mode); +} + +/* + * Routine to read() a file ... + */ + +static ssize_t smbc_read_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count) +{ + int ret; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count)); + + if (!file || !DLIST_CONTAINS(context->internal->_files, file)) { + + errno = EBADF; + return -1; + + } + + /* Check that the buffer exists ... */ + + if (buf == NULL) { + + errno = EINVAL; + return -1; + + } + + ret = cli_read(&file->srv->cli, file->cli_fd, buf, file->offset, count); + + if (ret < 0) { + + errno = smbc_errno(context, &file->srv->cli); + return -1; + + } + + file->offset += ret; + + DEBUG(4, (" --> %d\n", ret)); + + return ret; /* Success, ret bytes of data ... */ + +} + +/* + * Routine to write() a file ... + */ + +static ssize_t smbc_write_ctx(SMBCCTX *context, SMBCFILE *file, void *buf, size_t count) +{ + int ret; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->internal->_files, file)) { + + errno = EBADF; + return -1; + + } + + /* Check that the buffer exists ... */ + + if (buf == NULL) { + + errno = EINVAL; + return -1; + + } + + ret = cli_write(&file->srv->cli, file->cli_fd, 0, buf, file->offset, count); + + if (ret <= 0) { + + errno = smbc_errno(context, &file->srv->cli); + return -1; + + } + + file->offset += ret; + + return ret; /* Success, 0 bytes of data ... */ +} + +/* + * Routine to close() a file ... + */ + +static int smbc_close_ctx(SMBCCTX *context, SMBCFILE *file) +{ + SMBCSRV *srv; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->internal->_files, file)) { + + errno = EBADF; + return -1; + + } + + /* IS a dir ... */ + if (!file->file) { + + return context->closedir(context, file); + + } + + if (!cli_close(&file->srv->cli, file->cli_fd)) { + + DEBUG(3, ("cli_close failed on %s. purging server.\n", + file->fname)); + /* Deallocate slot and remove the server + * from the server cache if unused */ + errno = smbc_errno(context, &file->srv->cli); + srv = file->srv; + DLIST_REMOVE(context->internal->_files, file); + SAFE_FREE(file->fname); + SAFE_FREE(file); + context->callbacks.remove_unused_server_fn(context, srv); + + return -1; + + } + + DLIST_REMOVE(context->internal->_files, file); + SAFE_FREE(file->fname); + SAFE_FREE(file); + + return 0; +} + +/* + * Get info from an SMB server on a file. Use a qpathinfo call first + * and if that fails, use getatr, as Win95 sometimes refuses qpathinfo + */ +static BOOL smbc_getatr(SMBCCTX * context, SMBCSRV *srv, char *path, + uint16 *mode, size_t *size, + time_t *c_time, time_t *a_time, time_t *m_time, + SMB_INO_T *ino) +{ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4,("smbc_getatr: sending qpathinfo\n")); + + if (!srv->no_pathinfo2 && + cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL, + size, mode, ino)) return True; + + /* if this is NT then don't bother with the getatr */ + if (srv->cli.capabilities & CAP_NT_SMBS) { + errno = EPERM; + return False; + } + + if (cli_getatr(&srv->cli, path, mode, size, m_time)) { + a_time = c_time = m_time; + srv->no_pathinfo2 = True; + return True; + } + + errno = EPERM; + return False; + +} + +/* + * Routine to unlink() a file + */ + +static int smbc_unlink_ctx(SMBCCTX *context, const char *fname) +{ + fstring server, share, user, password, workgroup; + pstring path; + SMBCSRV *srv = NULL; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + return -1; /* smbc_server sets errno */ + + } + + /* if (strncmp(srv->cli.dev, "LPT", 3) == 0) { + + int job = smbc_stat_printjob(srv, path, NULL, NULL); + if (job == -1) { + + return -1; + + } + if ((err = cli_printjob_del(&srv->cli, job)) != 0) { + + + return -1; + + } + } else */ + + if (!cli_unlink(&srv->cli, path)) { + + errno = smbc_errno(context, &srv->cli); + + if (errno == EACCES) { /* Check if the file is a directory */ + + int saverr = errno; + size_t size = 0; + uint16 mode = 0; + time_t m_time = 0, a_time = 0, c_time = 0; + SMB_INO_T ino = 0; + + if (!smbc_getatr(context, srv, path, &mode, &size, + &c_time, &a_time, &m_time, &ino)) { + + /* Hmmm, bad error ... What? */ + + errno = smbc_errno(context, &srv->cli); + return -1; + + } + else { + + if (IS_DOS_DIR(mode)) + errno = EISDIR; + else + errno = saverr; /* Restore this */ + + } + } + + return -1; + + } + + return 0; /* Success ... */ + +} + +/* + * Routine to rename() a file + */ + +static int smbc_rename_ctx(SMBCCTX *ocontext, const char *oname, + SMBCCTX *ncontext, const char *nname) +{ + fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup; + pstring path1, path2; + SMBCSRV *srv = NULL; + + if (!ocontext || !ncontext || + !ocontext->internal || !ncontext->internal || + !ocontext->internal->_initialized || + !ncontext->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!oname || !nname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname)); + + smbc_parse_path(ocontext, oname, + server1, sizeof(server1), + share1, sizeof(share1), + path1, sizeof(path1), + user1, sizeof(user1), + password1, sizeof(password1), + NULL, 0); + + if (user1[0] == (char)0) fstrcpy(user1, ocontext->user); + + smbc_parse_path(ncontext, nname, + server2, sizeof(server2), + share2, sizeof(share2), + path2, sizeof(path2), + user2, sizeof(user2), + password2, sizeof(password2), + NULL, 0); + + if (user2[0] == (char)0) fstrcpy(user2, ncontext->user); + + if (strcmp(server1, server2) || strcmp(share1, share2) || + strcmp(user1, user2)) { + + /* Can't rename across file systems, or users?? */ + + errno = EXDEV; + return -1; + + } + + fstrcpy(workgroup, ocontext->workgroup); + /* HELP !!! Which workgroup should I use ? Or are they always the same -- Tom */ + srv = smbc_server(ocontext, server1, share1, workgroup, user1, password1); + if (!srv) { + + return -1; + + } + + if (!cli_rename(&srv->cli, path1, path2)) { + int eno = smbc_errno(ocontext, &srv->cli); + + if (eno != EEXIST || + !cli_unlink(&srv->cli, path2) || + !cli_rename(&srv->cli, path1, path2)) { + + errno = eno; + return -1; + + } + } + + return 0; /* Success */ + +} + +/* + * A routine to lseek() a file + */ + +static off_t smbc_lseek_ctx(SMBCCTX *context, SMBCFILE *file, off_t offset, int whence) +{ + size_t size; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->internal->_files, file)) { + + errno = EBADF; + return -1; + + } + + if (!file->file) { + + errno = EINVAL; + return -1; /* Can't lseek a dir ... */ + + } + + switch (whence) { + case SEEK_SET: + file->offset = offset; + break; + + case SEEK_CUR: + file->offset += offset; + break; + + case SEEK_END: + if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL, + NULL, NULL, NULL)) + { + SMB_BIG_UINT b_size = size; + if (!cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &b_size, NULL, NULL, + NULL)) + { + errno = EINVAL; + return -1; + } else + size = b_size; + } + file->offset = size + offset; + break; + + default: + errno = EINVAL; + break; + + } + + return file->offset; + +} + +/* + * Generate an inode number from file name for those things that need it + */ + +static +ino_t smbc_inode(SMBCCTX *context, const char *name) +{ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!*name) return 2; /* FIXME, why 2 ??? */ + return (ino_t)str_checksum(name); + +} + +/* + * Routine to put basic stat info into a stat structure ... Used by stat and + * fstat below. + */ + +static +int smbc_setup_stat(SMBCCTX *context, struct stat *st, char *fname, size_t size, int mode) +{ + + st->st_mode = 0; + + if (IS_DOS_DIR(mode)) { + st->st_mode = SMBC_DIR_MODE; + } else { + st->st_mode = SMBC_FILE_MODE; + } + + if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR; + if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP; + if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH; + if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR; + + st->st_size = size; +#ifdef HAVE_STAT_ST_BLKSIZE + st->st_blksize = 512; +#endif +#ifdef HAVE_STAT_ST_BLOCKS + st->st_blocks = (size+511)/512; +#endif + st->st_uid = getuid(); + st->st_gid = getgid(); + + if (IS_DOS_DIR(mode)) { + st->st_nlink = 2; + } else { + st->st_nlink = 1; + } + + if (st->st_ino == 0) { + st->st_ino = smbc_inode(context, fname); + } + + return True; /* FIXME: Is this needed ? */ + +} + +/* + * Routine to stat a file given a name + */ + +static int smbc_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + time_t m_time = 0, a_time = 0, c_time = 0; + size_t size = 0; + uint16 mode = 0; + SMB_INO_T ino = 0; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_stat(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + if (!smbc_getatr(context, srv, path, &mode, &size, + &c_time, &a_time, &m_time, &ino)) { + + errno = smbc_errno(context, &srv->cli); + return -1; + + } + + st->st_ino = ino; + + smbc_setup_stat(context, st, path, size, mode); + + st->st_atime = a_time; + st->st_ctime = c_time; + st->st_mtime = m_time; + st->st_dev = srv->dev; + + return 0; + +} + +/* + * Routine to stat a file given an fd + */ + +static int smbc_fstat_ctx(SMBCCTX *context, SMBCFILE *file, struct stat *st) +{ + time_t c_time, a_time, m_time; + size_t size; + uint16 mode; + SMB_INO_T ino = 0; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->internal->_files, file)) { + + errno = EBADF; + return -1; + + } + + if (!file->file) { + + return context->fstatdir(context, file, st); + + } + + if (!cli_qfileinfo(&file->srv->cli, file->cli_fd, + &mode, &size, &c_time, &a_time, &m_time, NULL, &ino)) { + SMB_BIG_UINT b_size = size; + if (!cli_getattrE(&file->srv->cli, file->cli_fd, + &mode, &b_size, &c_time, &a_time, &m_time)) { + + errno = EINVAL; + return -1; + } else + size = b_size; + + } + + st->st_ino = ino; + + smbc_setup_stat(context, st, file->fname, size, mode); + + st->st_atime = a_time; + st->st_ctime = c_time; + st->st_mtime = m_time; + st->st_dev = file->srv->dev; + + return 0; + +} + +/* + * Routine to open a directory + * We accept the URL syntax explained in smbc_parse_path(), above. + */ + +static void smbc_remove_dir(SMBCFILE *dir) +{ + struct smbc_dir_list *d,*f; + + d = dir->dir_list; + while (d) { + + f = d; d = d->next; + + SAFE_FREE(f->dirent); + SAFE_FREE(f); + + } + + dir->dir_list = dir->dir_end = dir->dir_next = NULL; + +} + +static int add_dirent(SMBCFILE *dir, const char *name, const char *comment, uint32 type) +{ + struct smbc_dirent *dirent; + int size; + char *u_name = NULL, *u_comment = NULL; + size_t u_name_len = 0, u_comment_len = 0; + + if (name) + u_name_len = push_utf8_allocate(&u_name, name); + if (comment) + u_comment_len = push_utf8_allocate(&u_comment, comment); + + /* + * Allocate space for the dirent, which must be increased by the + * size of the name and the comment and 1 for the null on the comment. + * The null on the name is already accounted for. + */ + + size = sizeof(struct smbc_dirent) + u_name_len + u_comment_len + 1; + + dirent = malloc(size); + + if (!dirent) { + + dir->dir_error = ENOMEM; + return -1; + + } + + ZERO_STRUCTP(dirent); + + if (dir->dir_list == NULL) { + + dir->dir_list = malloc(sizeof(struct smbc_dir_list)); + if (!dir->dir_list) { + + SAFE_FREE(dirent); + dir->dir_error = ENOMEM; + return -1; + + } + ZERO_STRUCTP(dir->dir_list); + + dir->dir_end = dir->dir_next = dir->dir_list; + } + else { + + dir->dir_end->next = malloc(sizeof(struct smbc_dir_list)); + + if (!dir->dir_end->next) { + + SAFE_FREE(dirent); + dir->dir_error = ENOMEM; + return -1; + + } + ZERO_STRUCTP(dir->dir_end->next); + + dir->dir_end = dir->dir_end->next; + } + + dir->dir_end->next = NULL; + dir->dir_end->dirent = dirent; + + dirent->smbc_type = type; + dirent->namelen = u_name_len; + dirent->commentlen = u_comment_len; + dirent->dirlen = size; + + strncpy(dirent->name, (u_name?u_name:""), dirent->namelen + 1); + + dirent->comment = (char *)(&dirent->name + dirent->namelen + 1); + strncpy(dirent->comment, (u_comment?u_comment:""), dirent->commentlen + 1); + + SAFE_FREE(u_comment); + SAFE_FREE(u_name); + + return 0; + +} + +static void +list_unique_wg_fn(const char *name, uint32 type, const char *comment, void *state) +{ + SMBCFILE *dir = (SMBCFILE *)state; + struct smbc_dir_list *dir_list; + struct smbc_dirent *dirent; + int dirent_type; + int remove = 0; + + dirent_type = dir->dir_type; + + if (add_dirent(dir, name, comment, dirent_type) < 0) { + + /* An error occurred, what do we do? */ + /* FIXME: Add some code here */ + } + + /* Point to the one just added */ + dirent = dir->dir_end->dirent; + + /* See if this was a duplicate */ + for (dir_list = dir->dir_list; + dir_list != dir->dir_end; + dir_list = dir_list->next) { + if (! remove && + strcmp(dir_list->dirent->name, dirent->name) == 0) { + /* Duplicate. End end of list need to be removed. */ + remove = 1; + } + + if (remove && dir_list->next == dir->dir_end) { + /* Found the end of the list. Remove it. */ + dir->dir_end = dir_list; + free(dir_list->next); + dir_list->next = NULL; + break; + } + } +} + +static void +list_fn(const char *name, uint32 type, const char *comment, void *state) +{ + SMBCFILE *dir = (SMBCFILE *)state; + int dirent_type; + + /* We need to process the type a little ... */ + + if (dir->dir_type == SMBC_FILE_SHARE) { + + switch (type) { + case 0: /* Directory tree */ + dirent_type = SMBC_FILE_SHARE; + break; + + case 1: + dirent_type = SMBC_PRINTER_SHARE; + break; + + case 2: + dirent_type = SMBC_COMMS_SHARE; + break; + + case 3: + dirent_type = SMBC_IPC_SHARE; + break; + + default: + dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */ + break; + } + } + else dirent_type = dir->dir_type; + + if (add_dirent(dir, name, comment, dirent_type) < 0) { + + /* An error occurred, what do we do? */ + /* FIXME: Add some code here */ + + } +} + +static void +dir_list_fn(file_info *finfo, const char *mask, void *state) +{ + + if (add_dirent((SMBCFILE *)state, finfo->name, "", + (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) { + + /* Handle an error ... */ + + /* FIXME: Add some code ... */ + + } + +} + +static SMBCFILE *smbc_opendir_ctx(SMBCCTX *context, const char *fname) +{ + fstring server, share, user, password, options; + pstring workgroup; + pstring path; + SMBCSRV *srv = NULL; + SMBCFILE *dir = NULL; + struct in_addr rem_ip; + + if (!context || !context->internal || + !context->internal->_initialized) { + DEBUG(4, ("no valid context\n")); + errno = EINVAL; + return NULL; + + } + + if (!fname) { + DEBUG(4, ("no valid fname\n")); + errno = EINVAL; + return NULL; + } + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(path), + password, sizeof(password), + options, sizeof(options))) { + DEBUG(4, ("no valid path\n")); + errno = EINVAL; + return NULL; + } + + DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' path='%s' options='%s'\n", fname, server, share, path, options)); + + /* Ensure the options are valid */ + if (smbc_check_options(server, share, path, options)) { + DEBUG(4, ("unacceptable options (%s)\n", options)); + errno = EINVAL; + return NULL; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + pstrcpy(workgroup, context->workgroup); + + dir = malloc(sizeof(*dir)); + + if (!dir) { + + errno = ENOMEM; + return NULL; + + } + + ZERO_STRUCTP(dir); + + dir->cli_fd = 0; + dir->fname = strdup(fname); + dir->srv = NULL; + dir->offset = 0; + dir->file = False; + dir->dir_list = dir->dir_next = dir->dir_end = NULL; + + if (server[0] == (char)0 && + (! *options || strcmp(options, "mb=.any") == 0)) { + struct in_addr server_ip; + if (share[0] != (char)0 || path[0] != (char)0) { + + errno = EINVAL; + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + } + + /* + * We have server and share and path empty ... so list the + * workgroups first try to get the LMB for our workgroup, and + * if that fails, try the DMB + */ + + pstrcpy(workgroup, lp_workgroup()); + + if (!find_master_ip(workgroup, &server_ip)) { + struct user_auth_info u_info; + struct cli_state *cli; + + DEBUG(4, ("Unable to find master browser for workgroup %s\n", + workgroup)); + + /* find the name of the server ... */ + pstrcpy(u_info.username, user); + pstrcpy(u_info.password, password); + + if (!(cli = get_ipc_connect_master_ip_bcast(workgroup, &u_info))) { + DEBUG(4, ("Unable to find master browser by " + "broadcast\n")); + errno = ENOENT; + return NULL; + } + + fstrcpy(server, cli->desthost); + + cli_shutdown(cli); + } else { + /* + * Do a name status query to find out the name of the + * master browser. We use <01><02>__MSBROWSE__<02>#01 if + * *#00 fails because a domain master browser will not + * respond to a wildcard query (or, at least, an NT4 + * server acting as the domain master browser will not). + * + * We might be able to use ONLY the query on MSBROWSE, but + * that's not yet been tested with all Windows versions, + * so until it is, leave the original wildcard query as + * the first choice and fall back to MSBROWSE if the + * wildcard query fails. + */ + if (!name_status_find("*", 0, 0x1d, server_ip, server) && + !name_status_find(MSBROWSE, 1, 0x1d, server_ip, server)) { + errno = ENOENT; + return NULL; + } + } + + DEBUG(4, ("using workgroup %s %s\n", workgroup, server)); + + /* + * Get a connection to IPC$ on the server if we do not already + * have one + */ + + srv = smbc_server(context, server, "IPC$", workgroup, user, password); + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + } + + dir->srv = srv; + dir->dir_type = SMBC_WORKGROUP; + + /* Now, list the stuff ... */ + + if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_fn, + (void *)dir)) { + + DEBUG(1, ("Could not enumerate domains using '%s'\n", workgroup)); + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = cli_errno(&srv->cli); + + return NULL; + + } + } else if (server[0] == (char)0 && + (! *options || strcmp(options, "mb=.all") == 0)) { + + int i; + int count; + struct ip_service *ip_list; + struct ip_service server_addr; + struct user_auth_info u_info; + struct cli_state *cli; + + if (share[0] != (char)0 || path[0] != (char)0) { + + errno = EINVAL; + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + } + + pstrcpy(u_info.username, user); + pstrcpy(u_info.password, password); + + /* + * We have server and share and path empty but options + * requesting that we scan all master browsers for their list + * of workgroups/domains. This implies that we must first try + * broadcast queries to find all master browsers, and if that + * doesn't work, then try our other methods which return only + * a single master browser. + */ + + if (!name_resolve_bcast(MSBROWSE, 1, &ip_list, &count)) { + if (!find_master_ip(workgroup, &server_addr.ip)) { + + errno = ENOENT; + return NULL; + } + + ip_list = &server_addr; + count = 1; + } + + for (i = 0; i < count; i++) { + DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list[i].ip))); + + cli = get_ipc_connect_master_ip(&ip_list[i], workgroup, &u_info); + fstrcpy(server, cli->desthost); + cli_shutdown(cli); + + DEBUG(4, ("using workgroup %s %s\n", workgroup, server)); + + /* + * For each returned master browser IP address, get a + * connection to IPC$ on the server if we do not + * already have one, and determine the + * workgroups/domains that it knows about. + */ + + srv = smbc_server(context, server, + "IPC$", workgroup, user, password); + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + } + + dir->srv = srv; + dir->dir_type = SMBC_WORKGROUP; + + /* Now, list the stuff ... */ + + if (!cli_NetServerEnum(&srv->cli, workgroup, SV_TYPE_DOMAIN_ENUM, list_unique_wg_fn, + (void *)dir)) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = cli_errno(&srv->cli); + + return NULL; + + } + } + } else { + /* + * Server not an empty string ... Check the rest and see what + * gives + */ + if (share[0] == (char)0) { + + if (path[0] != (char)0) { /* Should not have empty share with path */ + + errno = EINVAL; + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */ + /* However, we check to see if <server> is an IP address first */ + + if (!is_ipaddress(server) && /* Not an IP addr so check next */ + (resolve_name(server, &rem_ip, 0x1d) || /* Found LMB */ + resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */ + fstring buserver; + + dir->dir_type = SMBC_SERVER; + + /* + * Get the backup list ... + */ + + + if (!name_status_find(server, 0, 0, rem_ip, buserver)) { + + DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server)); + errno = EPERM; /* FIXME, is this correct */ + return NULL; + + } + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(context, buserver, "IPC$", workgroup, user, password); + + if (!srv) { + DEBUG(0, ("got no contact to IPC$\n")); + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + dir->srv = srv; + + /* Now, list the servers ... */ + + if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn, + (void *)dir)) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = cli_errno(&srv->cli); + return NULL; + + } + } + else { + + if (resolve_name(server, &rem_ip, 0x20)) { + + /* Now, list the shares ... */ + + dir->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(context, server, "IPC$", workgroup, user, password); + + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + dir->srv = srv; + + /* Now, list the servers ... */ + + if (cli_RNetShareEnum(&srv->cli, list_fn, + (void *)dir) < 0) { + + errno = cli_errno(&srv->cli); + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + } + else { + + errno = ENODEV; /* Neither the workgroup nor server exists */ + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + } + + } + else { /* The server and share are specified ... work from there ... */ + + /* Well, we connect to the server and list the directory */ + + dir->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + dir->srv = srv; + + /* Now, list the files ... */ + + pstrcat(path, "\\*"); + + if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn, + (void *)dir) < 0) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = smbc_errno(context, &srv->cli); + return NULL; + + } + } + + } + + DLIST_ADD(context->internal->_files, dir); + return dir; + +} + +/* + * Routine to close a directory + */ + +static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir) +{ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) { + + errno = EBADF; + return -1; + + } + + smbc_remove_dir(dir); /* Clean it up */ + + DLIST_REMOVE(context->internal->_files, dir); + + if (dir) { + + SAFE_FREE(dir->fname); + SAFE_FREE(dir); /* Free the space too */ + } + + return 0; + +} + +/* + * Routine to get a directory entry + */ + +struct smbc_dirent *smbc_readdir_ctx(SMBCCTX *context, SMBCFILE *dir) +{ + struct smbc_dirent *dirp, *dirent; + + /* Check that all is ok first ... */ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + DEBUG(0, ("Invalid context in smbc_readdir_ctx()\n")); + return NULL; + + } + + if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) { + + errno = EBADF; + DEBUG(0, ("Invalid dir in smbc_readdir_ctx()\n")); + return NULL; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + DEBUG(0, ("Found file vs directory in smbc_readdir_ctx()\n")); + return NULL; + + } + + if (!dir->dir_next) { + return NULL; + } + else { + + dirent = dir->dir_next->dirent; + if (!dirent) { + + errno = ENOENT; + return NULL; + + } + + /* Hmmm, do I even need to copy it? */ + + memcpy(context->internal->_dirent, dirent, dirent->dirlen); /* Copy the dirent */ + dirp = (struct smbc_dirent *)context->internal->_dirent; + dirp->comment = (char *)(&dirp->name + dirent->namelen + 1); + dir->dir_next = dir->dir_next->next; + + return (struct smbc_dirent *)context->internal->_dirent; + } + +} + +/* + * Routine to get directory entries + */ + +static int smbc_getdents_ctx(SMBCCTX *context, SMBCFILE *dir, struct smbc_dirent *dirp, int count) +{ + struct smbc_dir_list *dirlist; + int rem = count, reqd; + char *ndir = (char *)dirp; + + /* Check that all is ok first ... */ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) { + + errno = EBADF; + return -1; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + /* + * Now, retrieve the number of entries that will fit in what was passed + * We have to figure out if the info is in the list, or we need to + * send a request to the server to get the info. + */ + + while ((dirlist = dir->dir_next)) { + struct smbc_dirent *dirent; + + if (!dirlist->dirent) { + + errno = ENOENT; /* Bad error */ + return -1; + + } + + if (rem < (reqd = (sizeof(struct smbc_dirent) + dirlist->dirent->namelen + + dirlist->dirent->commentlen + 1))) { + + if (rem < count) { /* We managed to copy something */ + + errno = 0; + return count - rem; + + } + else { /* Nothing copied ... */ + + errno = EINVAL; /* Not enough space ... */ + return -1; + + } + + } + + dirent = dirlist->dirent; + + memcpy(ndir, dirent, reqd); /* Copy the data in ... */ + + ((struct smbc_dirent *)ndir)->comment = + (char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1); + + ndir += reqd; + + rem -= reqd; + + dir->dir_next = dirlist = dirlist -> next; + } + + if (rem == count) + return 0; + else + return count - rem; + +} + +/* + * Routine to create a directory ... + */ + +static int smbc_mkdir_ctx(SMBCCTX *context, const char *fname, mode_t mode) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_mkdir(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + return -1; /* errno set by smbc_server */ + + } + + /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) { + + mode = aDIR | aRONLY; + + } + else if (strncmp(srv->cli.dev, "LPT", 3) == 0) { + + if (strcmp(path, "\\") == 0) { + + mode = aDIR | aRONLY; + + } + else { + + mode = aRONLY; + smbc_stat_printjob(srv, path, &size, &m_time); + c_time = a_time = m_time; + + } + else { */ + + if (!cli_mkdir(&srv->cli, path)) { + + errno = smbc_errno(context, &srv->cli); + return -1; + + } + + return 0; + +} + +/* + * Our list function simply checks to see if a directory is not empty + */ + +static int smbc_rmdir_dirempty = True; + +static void rmdir_list_fn(file_info *finfo, const char *mask, void *state) +{ + + if (strncmp(finfo->name, ".", 1) != 0 && strncmp(finfo->name, "..", 2) != 0) + smbc_rmdir_dirempty = False; + +} + +/* + * Routine to remove a directory + */ + +static int smbc_rmdir_ctx(SMBCCTX *context, const char *fname) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_rmdir(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) + { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + return -1; /* errno set by smbc_server */ + + } + + /* if (strncmp(srv->cli.dev, "IPC", 3) == 0) { + + mode = aDIR | aRONLY; + + } + else if (strncmp(srv->cli.dev, "LPT", 3) == 0) { + + if (strcmp(path, "\\") == 0) { + + mode = aDIR | aRONLY; + + } + else { + + mode = aRONLY; + smbc_stat_printjob(srv, path, &size, &m_time); + c_time = a_time = m_time; + + } + else { */ + + if (!cli_rmdir(&srv->cli, path)) { + + errno = smbc_errno(context, &srv->cli); + + if (errno == EACCES) { /* Check if the dir empty or not */ + + pstring lpath; /* Local storage to avoid buffer overflows */ + + smbc_rmdir_dirempty = True; /* Make this so ... */ + + pstrcpy(lpath, path); + pstrcat(lpath, "\\*"); + + if (cli_list(&srv->cli, lpath, aDIR | aSYSTEM | aHIDDEN, rmdir_list_fn, + NULL) < 0) { + + /* Fix errno to ignore latest error ... */ + + DEBUG(5, ("smbc_rmdir: cli_list returned an error: %d\n", + smbc_errno(context, &srv->cli))); + errno = EACCES; + + } + + if (smbc_rmdir_dirempty) + errno = EACCES; + else + errno = ENOTEMPTY; + + } + + return -1; + + } + + return 0; + +} + +/* + * Routine to return the current directory position + */ + +static off_t smbc_telldir_ctx(SMBCCTX *context, SMBCFILE *dir) +{ + off_t ret_val; /* Squash warnings about cast */ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->internal->_files, dir)) { + + errno = EBADF; + return -1; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + /* + * We return the pointer here as the offset + */ + ret_val = (int)dir->dir_next; + return ret_val; + +} + +/* + * A routine to run down the list and see if the entry is OK + */ + +struct smbc_dir_list *smbc_check_dir_ent(struct smbc_dir_list *list, + struct smbc_dirent *dirent) +{ + + /* Run down the list looking for what we want */ + + if (dirent) { + + struct smbc_dir_list *tmp = list; + + while (tmp) { + + if (tmp->dirent == dirent) + return tmp; + + tmp = tmp->next; + + } + + } + + return NULL; /* Not found, or an error */ + +} + + +/* + * Routine to seek on a directory + */ + +static int smbc_lseekdir_ctx(SMBCCTX *context, SMBCFILE *dir, off_t offset) +{ + long int l_offset = offset; /* Handle problems of size */ + struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset; + struct smbc_dir_list *list_ent = (struct smbc_dir_list *)NULL; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + /* Now, check what we were passed and see if it is OK ... */ + + if (dirent == NULL) { /* Seek to the begining of the list */ + + dir->dir_next = dir->dir_list; + return 0; + + } + + /* Now, run down the list and make sure that the entry is OK */ + /* This may need to be changed if we change the format of the list */ + + if ((list_ent = smbc_check_dir_ent(dir->dir_list, dirent)) == NULL) { + + errno = EINVAL; /* Bad entry */ + return -1; + + } + + dir->dir_next = list_ent; + + return 0; + +} + +/* + * Routine to fstat a dir + */ + +static int smbc_fstatdir_ctx(SMBCCTX *context, SMBCFILE *dir, struct stat *st) +{ + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + /* No code yet ... */ + + return 0; + +} + +int smbc_chmod_ctx(SMBCCTX *context, const char *fname, mode_t newmode) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + uint16 mode; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, newmode)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + mode = 0; + + if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) mode |= aRONLY; + if ((newmode & S_IXUSR) && lp_map_archive(-1)) mode |= aARCH; + if ((newmode & S_IXGRP) && lp_map_system(-1)) mode |= aSYSTEM; + if ((newmode & S_IXOTH) && lp_map_hidden(-1)) mode |= aHIDDEN; + + if (!cli_setatr(&srv->cli, path, mode, 0)) { + errno = smbc_errno(context, &srv->cli); + return -1; + } + + return 0; +} + +int smbc_utimes_ctx(SMBCCTX *context, const char *fname, struct timeval *tbuf) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + uint16 mode; + time_t t = (tbuf == NULL ? time(NULL) : tbuf->tv_sec); + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_utimes(%s, [%s])\n", fname, ctime(&t))); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + if (!smbc_getatr(context, srv, path, + &mode, NULL, + NULL, NULL, NULL, + NULL)) { + return -1; + } + + if (!cli_setatr(&srv->cli, path, mode, t)) { + /* some servers always refuse directory changes */ + if (!(mode & aDIR)) { + errno = smbc_errno(context, &srv->cli); + return -1; + } + } + + return 0; +} + + +/* The MSDN is contradictory over the ordering of ACE entries in an ACL. + However NT4 gives a "The information may have been modified by a + computer running Windows NT 5.0" if denied ACEs do not appear before + allowed ACEs. */ + +static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2) +{ + if (sec_ace_equal(ace1, ace2)) + return 0; + + if (ace1->type != ace2->type) + return ace2->type - ace1->type; + + if (sid_compare(&ace1->trustee, &ace2->trustee)) + return sid_compare(&ace1->trustee, &ace2->trustee); + + if (ace1->flags != ace2->flags) + return ace1->flags - ace2->flags; + + if (ace1->info.mask != ace2->info.mask) + return ace1->info.mask - ace2->info.mask; + + if (ace1->size != ace2->size) + return ace1->size - ace2->size; + + return memcmp(ace1, ace2, sizeof(SEC_ACE)); +} + + +static void sort_acl(SEC_ACL *the_acl) +{ + uint32 i; + if (!the_acl) return; + + qsort(the_acl->ace, the_acl->num_aces, sizeof(the_acl->ace[0]), QSORT_CAST ace_compare); + + for (i=1;i<the_acl->num_aces;) { + if (sec_ace_equal(&the_acl->ace[i-1], &the_acl->ace[i])) { + int j; + for (j=i; j<the_acl->num_aces-1; j++) { + the_acl->ace[j] = the_acl->ace[j+1]; + } + the_acl->num_aces--; + } else { + i++; + } + } +} + +/* convert a SID to a string, either numeric or username/group */ +static void convert_sid_to_string(struct cli_state *ipc_cli, + POLICY_HND *pol, + fstring str, + BOOL numeric, + DOM_SID *sid) +{ + char **domains = NULL; + char **names = NULL; + uint32 *types = NULL; + + sid_to_string(str, sid); + + if (numeric) return; /* no lookup desired */ + + /* Ask LSA to convert the sid to a name */ + + if (!NT_STATUS_IS_OK(cli_lsa_lookup_sids(ipc_cli, ipc_cli->mem_ctx, + pol, 1, sid, &domains, + &names, &types)) || + !domains || !domains[0] || !names || !names[0]) { + return; + } + + /* Converted OK */ + + slprintf(str, sizeof(fstring) - 1, "%s%s%s", + domains[0], lp_winbind_separator(), + names[0]); +} + +/* convert a string to a SID, either numeric or username/group */ +static BOOL convert_string_to_sid(struct cli_state *ipc_cli, + POLICY_HND *pol, + BOOL numeric, + DOM_SID *sid, + const char *str) +{ + uint32 *types = NULL; + DOM_SID *sids = NULL; + BOOL result = True; + + if (numeric) { + if (strncmp(str, "S-", 2) == 0) { + return string_to_sid(sid, str); + } + + result = False; + goto done; + } + + if (!NT_STATUS_IS_OK(cli_lsa_lookup_names(ipc_cli, ipc_cli->mem_ctx, + pol, 1, &str, &sids, + &types))) { + result = False; + goto done; + } + + sid_copy(sid, &sids[0]); + done: + + return result; +} + + +/* parse an ACE in the same format as print_ace() */ +static BOOL parse_ace(struct cli_state *ipc_cli, + POLICY_HND *pol, + SEC_ACE *ace, + BOOL numeric, + char *str) +{ + char *p; + const char *cp; + fstring tok; + unsigned atype, aflags, amask; + DOM_SID sid; + SEC_ACCESS mask; + const struct perm_value *v; + struct perm_value { + const char *perm; + uint32 mask; + }; + + /* These values discovered by inspection */ + static const struct perm_value special_values[] = { + { "R", 0x00120089 }, + { "W", 0x00120116 }, + { "X", 0x001200a0 }, + { "D", 0x00010000 }, + { "P", 0x00040000 }, + { "O", 0x00080000 }, + { NULL, 0 }, + }; + + static const struct perm_value standard_values[] = { + { "READ", 0x001200a9 }, + { "CHANGE", 0x001301bf }, + { "FULL", 0x001f01ff }, + { NULL, 0 }, + }; + + + ZERO_STRUCTP(ace); + p = strchr_m(str,':'); + if (!p) return False; + *p = '\0'; + p++; + /* Try to parse numeric form */ + + if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 && + convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) { + goto done; + } + + /* Try to parse text form */ + + if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) { + return False; + } + + cp = p; + if (!next_token(&cp, tok, "/", sizeof(fstring))) { + return False; + } + + if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) { + atype = SEC_ACE_TYPE_ACCESS_ALLOWED; + } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) { + atype = SEC_ACE_TYPE_ACCESS_DENIED; + } else { + return False; + } + + /* Only numeric form accepted for flags at present */ + + if (!(next_token(&cp, tok, "/", sizeof(fstring)) && + sscanf(tok, "%i", &aflags))) { + return False; + } + + if (!next_token(&cp, tok, "/", sizeof(fstring))) { + return False; + } + + if (strncmp(tok, "0x", 2) == 0) { + if (sscanf(tok, "%i", &amask) != 1) { + return False; + } + goto done; + } + + for (v = standard_values; v->perm; v++) { + if (strcmp(tok, v->perm) == 0) { + amask = v->mask; + goto done; + } + } + + p = tok; + + while(*p) { + BOOL found = False; + + for (v = special_values; v->perm; v++) { + if (v->perm[0] == *p) { + amask |= v->mask; + found = True; + } + } + + if (!found) return False; + p++; + } + + if (*p) { + return False; + } + + done: + mask.mask = amask; + init_sec_ace(ace, &sid, atype, mask, aflags); + return True; +} + +/* add an ACE to a list of ACEs in a SEC_ACL */ +static BOOL add_ace(SEC_ACL **the_acl, SEC_ACE *ace, TALLOC_CTX *ctx) +{ + SEC_ACL *new; + SEC_ACE *aces; + if (! *the_acl) { + (*the_acl) = make_sec_acl(ctx, 3, 1, ace); + return True; + } + + aces = calloc(1+(*the_acl)->num_aces,sizeof(SEC_ACE)); + memcpy(aces, (*the_acl)->ace, (*the_acl)->num_aces * sizeof(SEC_ACE)); + memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE)); + new = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces); + SAFE_FREE(aces); + (*the_acl) = new; + return True; +} + + +/* parse a ascii version of a security descriptor */ +static SEC_DESC *sec_desc_parse(TALLOC_CTX *ctx, + struct cli_state *ipc_cli, + POLICY_HND *pol, + BOOL numeric, + char *str) +{ + const char *p = str; + fstring tok; + SEC_DESC *ret; + size_t sd_size; + DOM_SID *grp_sid=NULL, *owner_sid=NULL; + SEC_ACL *dacl=NULL; + int revision=1; + + while (next_token(&p, tok, "\t,\r\n", sizeof(tok))) { + + if (StrnCaseCmp(tok,"REVISION:", 9) == 0) { + revision = strtol(tok+9, NULL, 16); + continue; + } + + if (StrnCaseCmp(tok,"OWNER:", 6) == 0) { + owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID)); + if (!owner_sid || + !convert_string_to_sid(ipc_cli, pol, + numeric, + owner_sid, tok+6)) { + DEBUG(5, ("Failed to parse owner sid\n")); + return NULL; + } + continue; + } + + if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) { + owner_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID)); + if (!owner_sid || + !convert_string_to_sid(ipc_cli, pol, + False, + owner_sid, tok+7)) { + DEBUG(5, ("Failed to parse owner sid\n")); + return NULL; + } + continue; + } + + if (StrnCaseCmp(tok,"GROUP:", 6) == 0) { + grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID)); + if (!grp_sid || + !convert_string_to_sid(ipc_cli, pol, + numeric, + grp_sid, tok+6)) { + DEBUG(5, ("Failed to parse group sid\n")); + return NULL; + } + continue; + } + + if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) { + grp_sid = (DOM_SID *)calloc(1, sizeof(DOM_SID)); + if (!grp_sid || + !convert_string_to_sid(ipc_cli, pol, + False, + grp_sid, tok+6)) { + DEBUG(5, ("Failed to parse group sid\n")); + return NULL; + } + continue; + } + + if (StrnCaseCmp(tok,"ACL:", 4) == 0) { + SEC_ACE ace; + if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) { + DEBUG(5, ("Failed to parse ACL %s\n", tok)); + return NULL; + } + if(!add_ace(&dacl, &ace, ctx)) { + DEBUG(5, ("Failed to add ACL %s\n", tok)); + return NULL; + } + continue; + } + + if (StrnCaseCmp(tok,"ACL+:", 5) == 0) { + SEC_ACE ace; + if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) { + DEBUG(5, ("Failed to parse ACL %s\n", tok)); + return NULL; + } + if(!add_ace(&dacl, &ace, ctx)) { + DEBUG(5, ("Failed to add ACL %s\n", tok)); + return NULL; + } + continue; + } + + DEBUG(5, ("Failed to parse security descriptor\n")); + return NULL; + } + + ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE, + owner_sid, grp_sid, NULL, dacl, &sd_size); + + SAFE_FREE(grp_sid); + SAFE_FREE(owner_sid); + + return ret; +} + + +/***************************************************** +retrieve the acls for a file +*******************************************************/ +static int cacl_get(TALLOC_CTX *ctx, struct cli_state *cli, + struct cli_state *ipc_cli, POLICY_HND *pol, + char *filename, char *name, char *buf, int bufsize) +{ + uint32 i; + int n = 0; + int n_used; + BOOL all; + BOOL numeric = True; + BOOL determine_size = (bufsize == 0); + int fnum = -1; + SEC_DESC *sd; + fstring sidstr; + char *p; + + fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ); + + if (fnum == -1) { + DEBUG(5, ("cacl_get failed to open %s: %s\n", + filename, cli_errstr(cli))); + errno = 0; + return -1; + } + + sd = cli_query_secdesc(cli, fnum, ctx); + + if (!sd) { + DEBUG(5, ("cacl_get Failed to query old descriptor\n")); + errno = 0; + return -1; + } + + cli_close(cli, fnum); + + all = (*name == '*'); + numeric = (* (name + strlen(name) - 1) != '+'); + + n_used = 0; + + if (all) { + if (determine_size) { + p = talloc_asprintf(ctx, + "REVISION:%d", sd->revision); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, + "REVISION:%d", sd->revision); + } + } else if (StrCaseCmp(name, "revision") == 0) { + if (determine_size) { + p = talloc_asprintf(ctx, "%d", sd->revision); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, "%d", sd->revision); + } + } + + if (!determine_size && n > bufsize) { + errno = ERANGE; + return -1; + } + buf += n; + n_used += n; + bufsize -= n; + + /* Get owner and group sid */ + + if (sd->owner_sid) { + convert_sid_to_string(ipc_cli, pol, + sidstr, numeric, sd->owner_sid); + } else { + fstrcpy(sidstr, ""); + } + + if (all) { + if (determine_size) { + p = talloc_asprintf(ctx, ",OWNER:%s", sidstr); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, ",OWNER:%s", sidstr); + } + } else if (StrnCaseCmp(name, "owner", 5) == 0) { + if (determine_size) { + p = talloc_asprintf(ctx, "%s", sidstr); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, "%s", sidstr); + } + } + + if (!determine_size && n > bufsize) { + errno = ERANGE; + return -1; + } + buf += n; + n_used += n; + bufsize -= n; + + if (sd->grp_sid) { + convert_sid_to_string(ipc_cli, pol, + sidstr, numeric, sd->grp_sid); + } else { + fstrcpy(sidstr, ""); + } + + if (all) { + if (determine_size) { + p = talloc_asprintf(ctx, ",GROUP:%s", sidstr); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, ",GROUP:%s", sidstr); + } + } else if (StrnCaseCmp(name, "group", 5) == 0) { + if (determine_size) { + p = talloc_asprintf(ctx, "%s", sidstr); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, "%s", sidstr); + } + } + + if (!determine_size && n > bufsize) { + errno = ERANGE; + return -1; + } + buf += n; + n_used += n; + bufsize -= n; + + /* Add aces to value buffer */ + for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) { + + SEC_ACE *ace = &sd->dacl->ace[i]; + convert_sid_to_string(ipc_cli, pol, + sidstr, numeric, &ace->trustee); + + if (all) { + if (determine_size) { + p = talloc_asprintf(ctx, + ",ACL:%s:%d/%d/0x%08x", + sidstr, + ace->type, + ace->flags, + ace->info.mask); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, + ",ACL:%s:%d/%d/0x%08x", + sidstr, + ace->type, + ace->flags, + ace->info.mask); + } + } else if ((StrnCaseCmp(name, "acl", 3) == 0 && + StrCaseCmp(name + 3, sidstr) == 0) || + (StrnCaseCmp(name, "acl+", 4) == 0 && + StrCaseCmp(name + 4, sidstr) == 0)) { + if (determine_size) { + p = talloc_asprintf(ctx, + "%d/%d/0x%08x", + ace->type, + ace->flags, + ace->info.mask); + if (!p) { + errno = ENOMEM; + return -1; + } + n = strlen(p); + } else { + n = snprintf(buf, bufsize, + "%d/%d/0x%08x", + ace->type, ace->flags, ace->info.mask); + } + } + if (n > bufsize) { + errno = ERANGE; + return -1; + } + buf += n; + n_used += n; + bufsize -= n; + } + + if (n_used == 0) { + errno = ENOATTR; + return -1; + } + return n_used; +} + + +/***************************************************** +set the ACLs on a file given an ascii description +*******************************************************/ +static int cacl_set(TALLOC_CTX *ctx, struct cli_state *cli, + struct cli_state *ipc_cli, POLICY_HND *pol, + const char *filename, const char *the_acl, + int mode, int flags) +{ + int fnum; + int err = 0; + SEC_DESC *sd = NULL, *old; + SEC_ACL *dacl = NULL; + DOM_SID *owner_sid = NULL; + DOM_SID *grp_sid = NULL; + uint32 i, j; + size_t sd_size; + int ret = 0; + char *p; + BOOL numeric = True; + + /* the_acl will be null for REMOVE_ALL operations */ + if (the_acl) { + numeric = ((p = strchr(the_acl, ':')) != NULL && + p > the_acl && + p[-1] != '+'); + + /* if this is to set the entire ACL... */ + if (*the_acl == '*') { + /* ... then increment past the first colon */ + the_acl = p + 1; + } + + sd = sec_desc_parse(ctx, ipc_cli, pol, + numeric, (char *) the_acl); + + if (!sd) { + errno = EINVAL; + return -1; + } + } + + /* The desired access below is the only one I could find that works + with NT4, W2KP and Samba */ + + fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ); + + if (fnum == -1) { + DEBUG(5, ("cacl_set failed to open %s: %s\n", + filename, cli_errstr(cli))); + errno = 0; + return -1; + } + + old = cli_query_secdesc(cli, fnum, ctx); + + if (!old) { + DEBUG(5, ("cacl_set Failed to query old descriptor\n")); + errno = 0; + return -1; + } + + cli_close(cli, fnum); + + switch (mode) { + case SMBC_XATTR_MODE_REMOVE_ALL: + old->dacl->num_aces = 0; + SAFE_FREE(old->dacl->ace); + SAFE_FREE(old->dacl); + old->off_dacl = 0; + dacl = old->dacl; + break; + + case SMBC_XATTR_MODE_REMOVE: + for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { + BOOL found = False; + + for (j=0;old->dacl && j<old->dacl->num_aces;j++) { + if (sec_ace_equal(&sd->dacl->ace[i], + &old->dacl->ace[j])) { + uint32 k; + for (k=j; k<old->dacl->num_aces-1;k++) { + old->dacl->ace[k] = old->dacl->ace[k+1]; + } + old->dacl->num_aces--; + if (old->dacl->num_aces == 0) { + SAFE_FREE(old->dacl->ace); + SAFE_FREE(old->dacl); + old->off_dacl = 0; + } + found = True; + dacl = old->dacl; + break; + } + } + + if (!found) { + err = ENOATTR; + ret = -1; + goto failed; + } + } + break; + + case SMBC_XATTR_MODE_ADD: + for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { + BOOL found = False; + + for (j=0;old->dacl && j<old->dacl->num_aces;j++) { + if (sid_equal(&sd->dacl->ace[i].trustee, + &old->dacl->ace[j].trustee)) { + if (!(flags & SMBC_XATTR_FLAG_CREATE)) { + err = EEXIST; + ret = -1; + goto failed; + } + old->dacl->ace[j] = sd->dacl->ace[i]; + ret = -1; + found = True; + } + } + + if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) { + err = ENOATTR; + ret = -1; + goto failed; + } + + for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { + add_ace(&old->dacl, &sd->dacl->ace[i], ctx); + } + } + dacl = old->dacl; + break; + + case SMBC_XATTR_MODE_SET: + old = sd; + owner_sid = old->owner_sid; + grp_sid = old->grp_sid; + dacl = old->dacl; + break; + + case SMBC_XATTR_MODE_CHOWN: + owner_sid = sd->owner_sid; + break; + + case SMBC_XATTR_MODE_CHGRP: + grp_sid = sd->grp_sid; + break; + } + + /* Denied ACE entries must come before allowed ones */ + sort_acl(old->dacl); + + /* Create new security descriptor and set it */ + sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE, + owner_sid, grp_sid, NULL, dacl, &sd_size); + + fnum = cli_nt_create(cli, filename, + WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS); + + if (fnum == -1) { + DEBUG(5, ("cacl_set failed to open %s: %s\n", + filename, cli_errstr(cli))); + errno = 0; + return -1; + } + + if (!cli_set_secdesc(cli, fnum, sd)) { + DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli))); + ret = -1; + } + + /* Clean up */ + + failed: + cli_close(cli, fnum); + + if (err != 0) { + errno = err; + } + + return ret; +} + + +int smbc_setxattr_ctx(SMBCCTX *context, + const char *fname, + const char *name, + const void *value, + size_t size, + int flags) +{ + int ret; + SMBCSRV *srv; + SMBCSRV *ipc_srv; + fstring server, share, user, password, workgroup; + pstring path; + TALLOC_CTX *ctx; + POLICY_HND pol; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n", + fname, name, (int) size, (char *) value)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + ipc_srv = smbc_attr_server(context, server, share, + workgroup, user, password, + &pol); + if (!ipc_srv) { + return -1; + } + + ctx = talloc_init("smbc_setxattr"); + if (!ctx) { + errno = ENOMEM; + return -1; + } + + /* + * Are they asking to set an access control element or to set + * the entire access control list? + */ + if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) { + + /* Yup. */ + char *namevalue = + talloc_asprintf(ctx, "%s:%s", name+19, (char *) value); + if (! namevalue) { + errno = ENOMEM; + ret = -1; + } else { + ret = cacl_set(ctx, &srv->cli, + &ipc_srv->cli, &pol, path, + namevalue, + (*namevalue == '*' + ? SMBC_XATTR_MODE_SET + : SMBC_XATTR_MODE_ADD), + flags); + } + talloc_destroy(ctx); + return ret; + } + + /* + * Are they asking to set the owner? + */ + if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) { + + /* Yup. */ + char *namevalue = + talloc_asprintf(ctx, "%s:%s", name+19, (char *) value); + if (! namevalue) { + errno = ENOMEM; + ret = -1; + } else { + ret = cacl_set(ctx, &srv->cli, + &ipc_srv->cli, &pol, path, + namevalue, SMBC_XATTR_MODE_CHOWN, 0); + } + talloc_destroy(ctx); + return ret; + } + + /* + * Are they asking to set the group? + */ + if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) { + + /* Yup. */ + char *namevalue = + talloc_asprintf(ctx, "%s:%s", name+19, (char *) value); + if (! namevalue) { + errno = ENOMEM; + ret = -1; + } else { + ret = cacl_set(ctx, &srv->cli, + &ipc_srv->cli, &pol, path, + namevalue, SMBC_XATTR_MODE_CHOWN, 0); + } + talloc_destroy(ctx); + return ret; + } + + /* Unsupported attribute name */ + talloc_destroy(ctx); + errno = EINVAL; + return -1; +} + +int smbc_getxattr_ctx(SMBCCTX *context, + const char *fname, + const char *name, + const void *value, + size_t size) +{ + int ret; + SMBCSRV *srv; + SMBCSRV *ipc_srv; + fstring server, share, user, password, workgroup; + pstring path; + TALLOC_CTX *ctx; + POLICY_HND pol; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + ipc_srv = smbc_attr_server(context, server, share, + workgroup, user, password, + &pol); + if (!ipc_srv) { + return -1; + } + + ctx = talloc_init("smbc:getxattr"); + if (!ctx) { + errno = ENOMEM; + return -1; + } + + /* Are they requesting a supported attribute? */ + if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.group") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) { + + /* Yup. */ + ret = cacl_get(ctx, &srv->cli, + &ipc_srv->cli, &pol, + (char *) path, (char *) name + 19, + (char *) value, size); + if (ret < 0 && errno == 0) { + errno = smbc_errno(context, &srv->cli); + } + talloc_destroy(ctx); + return ret; + } + + /* Unsupported attribute name */ + talloc_destroy(ctx); + errno = EINVAL; + return -1; +} + + +int smbc_removexattr_ctx(SMBCCTX *context, + const char *fname, + const char *name) +{ + int ret; + SMBCSRV *srv; + SMBCSRV *ipc_srv; + fstring server, share, user, password, workgroup; + pstring path; + TALLOC_CTX *ctx; + POLICY_HND pol; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + if (!srv) { + return -1; /* errno set by smbc_server */ + } + + ipc_srv = smbc_attr_server(context, server, share, + workgroup, user, password, + &pol); + if (!ipc_srv) { + return -1; + } + + ipc_srv = smbc_attr_server(context, server, share, + workgroup, user, password, + &pol); + if (!ipc_srv) { + return -1; + } + + ctx = talloc_init("smbc_removexattr"); + if (!ctx) { + errno = ENOMEM; + return -1; + } + + /* Are they asking to set the entire ACL? */ + if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) { + + /* Yup. */ + ret = cacl_set(ctx, &srv->cli, + &ipc_srv->cli, &pol, path, + NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0); + talloc_destroy(ctx); + return ret; + } + + /* + * Are they asking to remove one or more spceific security descriptor + * attributes? + */ + if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.group") == 0 || + StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 || + StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) { + + /* Yup. */ + ret = cacl_set(ctx, &srv->cli, + &ipc_srv->cli, &pol, path, + name + 19, SMBC_XATTR_MODE_REMOVE, 0); + talloc_destroy(ctx); + return ret; + } + + /* Unsupported attribute name */ + talloc_destroy(ctx); + errno = EINVAL; + return -1; +} + +int smbc_listxattr_ctx(SMBCCTX *context, + const char *fname, + char *list, + size_t size) +{ + /* + * This isn't quite what listxattr() is supposed to do. This returns + * the complete set of attributes, always, rather than only those + * attribute names which actually exist for a file. Hmmm... + */ + const char supported[] = + "system.nt_sec_desc.revision\0" + "system.nt_sec_desc.owner\0" + "system.nt_sec_desc.owner+\0" + "system.nt_sec_desc.group\0" + "system.nt_sec_desc.group+\0" + "system.nt_sec_desc.acl\0" + "system.nt_sec_desc.acl+\0" + "system.nt_sec_desc.*\0" + "system.nt_sec_desc.*+\0" + ; + + if (size == 0) { + return sizeof(supported); + } + + if (sizeof(supported) > size) { + errno = ERANGE; + return -1; + } + + /* this can't be strcpy() because there are embedded null characters */ + memcpy(list, supported, sizeof(supported)); + return sizeof(supported); +} + + +/* + * Open a print file to be written to by other calls + */ + +static SMBCFILE *smbc_open_print_job_ctx(SMBCCTX *context, const char *fname) +{ + fstring server, share, user, password; + pstring path; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return NULL; + + } + + if (!fname) { + + errno = EINVAL; + return NULL; + + } + + DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return NULL; + } + + /* What if the path is empty, or the file exists? */ + + return context->open(context, fname, O_WRONLY, 666); + +} + +/* + * Routine to print a file on a remote server ... + * + * We open the file, which we assume to be on a remote server, and then + * copy it to a print file on the share specified by printq. + */ + +static int smbc_print_file_ctx(SMBCCTX *c_file, const char *fname, SMBCCTX *c_print, const char *printq) +{ + SMBCFILE *fid1, *fid2; + int bytes, saverr, tot_bytes = 0; + char buf[4096]; + + if (!c_file || !c_file->internal->_initialized || !c_print || + !c_print->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname && !printq) { + + errno = EINVAL; + return -1; + + } + + /* Try to open the file for reading ... */ + + if ((int)(fid1 = c_file->open(c_file, fname, O_RDONLY, 0666)) < 0) { + + DEBUG(3, ("Error, fname=%s, errno=%i\n", fname, errno)); + return -1; /* smbc_open sets errno */ + + } + + /* Now, try to open the printer file for writing */ + + if ((int)(fid2 = c_print->open_print_job(c_print, printq)) < 0) { + + saverr = errno; /* Save errno */ + c_file->close(c_file, fid1); + errno = saverr; + return -1; + + } + + while ((bytes = c_file->read(c_file, fid1, buf, sizeof(buf))) > 0) { + + tot_bytes += bytes; + + if ((c_print->write(c_print, fid2, buf, bytes)) < 0) { + + saverr = errno; + c_file->close(c_file, fid1); + c_print->close(c_print, fid2); + errno = saverr; + + } + + } + + saverr = errno; + + c_file->close(c_file, fid1); /* We have to close these anyway */ + c_print->close(c_print, fid2); + + if (bytes < 0) { + + errno = saverr; + return -1; + + } + + return tot_bytes; + +} + +/* + * Routine to list print jobs on a printer share ... + */ + +static int smbc_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + return -1; /* errno set by smbc_server */ + + } + + if (cli_print_queue(&srv->cli, (void (*)(struct print_job_info *))fn) < 0) { + + errno = smbc_errno(context, &srv->cli); + return -1; + + } + + return 0; + +} + +/* + * Delete a print job from a remote printer share + */ + +static int smbc_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + int err; + + if (!context || !context->internal || + !context->internal->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname)); + + if (smbc_parse_path(context, fname, + server, sizeof(server), + share, sizeof(share), + path, sizeof(path), + user, sizeof(user), + password, sizeof(password), + NULL, 0)) { + errno = EINVAL; + return -1; + } + + if (user[0] == (char)0) fstrcpy(user, context->user); + + fstrcpy(workgroup, context->workgroup); + + srv = smbc_server(context, server, share, workgroup, user, password); + + if (!srv) { + + return -1; /* errno set by smbc_server */ + + } + + if ((err = cli_printjob_del(&srv->cli, id)) != 0) { + + if (err < 0) + errno = smbc_errno(context, &srv->cli); + else if (err == ERRnosuchprintjob) + errno = EINVAL; + return -1; + + } + + return 0; + +} + +/* + * Get a new empty handle to fill in with your own info + */ +SMBCCTX * smbc_new_context(void) +{ + SMBCCTX * context; + + context = malloc(sizeof(SMBCCTX)); + if (!context) { + errno = ENOMEM; + return NULL; + } + + ZERO_STRUCTP(context); + + context->internal = malloc(sizeof(struct smbc_internal_data)); + if (!context->internal) { + errno = ENOMEM; + return NULL; + } + + ZERO_STRUCTP(context->internal); + + + /* ADD REASONABLE DEFAULTS */ + context->debug = 0; + context->timeout = 20000; /* 20 seconds */ + + context->open = smbc_open_ctx; + context->creat = smbc_creat_ctx; + context->read = smbc_read_ctx; + context->write = smbc_write_ctx; + context->close = smbc_close_ctx; + context->unlink = smbc_unlink_ctx; + context->rename = smbc_rename_ctx; + context->lseek = smbc_lseek_ctx; + context->stat = smbc_stat_ctx; + context->fstat = smbc_fstat_ctx; + context->opendir = smbc_opendir_ctx; + context->closedir = smbc_closedir_ctx; + context->readdir = smbc_readdir_ctx; + context->getdents = smbc_getdents_ctx; + context->mkdir = smbc_mkdir_ctx; + context->rmdir = smbc_rmdir_ctx; + context->telldir = smbc_telldir_ctx; + context->lseekdir = smbc_lseekdir_ctx; + context->fstatdir = smbc_fstatdir_ctx; + context->chmod = smbc_chmod_ctx; + context->utimes = smbc_utimes_ctx; + context->setxattr = smbc_setxattr_ctx; + context->getxattr = smbc_getxattr_ctx; + context->removexattr = smbc_removexattr_ctx; + context->listxattr = smbc_listxattr_ctx; + context->open_print_job = smbc_open_print_job_ctx; + context->print_file = smbc_print_file_ctx; + context->list_print_jobs = smbc_list_print_jobs_ctx; + context->unlink_print_job = smbc_unlink_print_job_ctx; + + context->callbacks.check_server_fn = smbc_check_server; + context->callbacks.remove_unused_server_fn = smbc_remove_unused_server; + + smbc_default_cache_functions(context); + + return context; +} + +/* + * Free a context + * + * Returns 0 on success. Otherwise returns 1, the SMBCCTX is _not_ freed + * and thus you'll be leaking memory if not handled properly. + * + */ +int smbc_free_context(SMBCCTX * context, int shutdown_ctx) +{ + if (!context) { + errno = EBADF; + return 1; + } + + if (shutdown_ctx) { + SMBCFILE * f; + DEBUG(1,("Performing aggressive shutdown.\n")); + + f = context->internal->_files; + while (f) { + context->close(context, f); + f = f->next; + } + context->internal->_files = NULL; + + /* First try to remove the servers the nice way. */ + if (context->callbacks.purge_cached_fn(context)) { + SMBCSRV * s; + SMBCSRV * next; + DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n")); + s = context->internal->_servers; + while (s) { + DEBUG(1, ("Forced shutdown: %p (fd=%d)\n", s, s->cli.fd)); + cli_shutdown(&s->cli); + context->callbacks.remove_cached_srv_fn(context, s); + next = s->next; + DLIST_REMOVE(context->internal->_servers, s); + SAFE_FREE(s); + s = next; + } + context->internal->_servers = NULL; + } + } + else { + /* This is the polite way */ + if (context->callbacks.purge_cached_fn(context)) { + DEBUG(1, ("Could not purge all servers, free_context failed.\n")); + errno = EBUSY; + return 1; + } + if (context->internal->_servers) { + DEBUG(1, ("Active servers in context, free_context failed.\n")); + errno = EBUSY; + return 1; + } + if (context->internal->_files) { + DEBUG(1, ("Active files in context, free_context failed.\n")); + errno = EBUSY; + return 1; + } + } + + /* Things we have to clean up */ + SAFE_FREE(context->workgroup); + SAFE_FREE(context->netbios_name); + SAFE_FREE(context->user); + + DEBUG(3, ("Context %p succesfully freed\n", context)); + SAFE_FREE(context->internal); + SAFE_FREE(context); + return 0; +} + + +/* + * Initialise the library etc + * + * We accept a struct containing handle information. + * valid values for info->debug from 0 to 100, + * and insist that info->fn must be non-null. + */ +SMBCCTX * smbc_init_context(SMBCCTX * context) +{ + pstring conf; + int pid; + char *user = NULL, *home = NULL; + + if (!context || !context->internal) { + errno = EBADF; + return NULL; + } + + /* Do not initialise the same client twice */ + if (context->internal->_initialized) { + return 0; + } + + if (!context->callbacks.auth_fn || context->debug < 0 || context->debug > 100) { + + errno = EINVAL; + return NULL; + + } + + if (!smbc_initialized) { + /* Do some library wide intialisations the first time we get called */ + + /* Set this to what the user wants */ + DEBUGLEVEL = context->debug; + + setup_logging( "libsmbclient", True); + + /* Here we would open the smb.conf file if needed ... */ + + home = getenv("HOME"); + + slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home); + + load_interfaces(); /* Load the list of interfaces ... */ + + in_client = True; /* FIXME, make a param */ + + if (!lp_load(conf, True, False, False)) { + + /* + * Well, if that failed, try the dyn_CONFIGFILE + * Which points to the standard locn, and if that + * fails, silently ignore it and use the internal + * defaults ... + */ + + if (!lp_load(dyn_CONFIGFILE, True, False, False)) { + DEBUG(5, ("Could not load either config file: %s or %s\n", + conf, dyn_CONFIGFILE)); + } + } + + reopen_logs(); /* Get logging working ... */ + + /* + * Block SIGPIPE (from lib/util_sock.c: write()) + * It is not needed and should not stop execution + */ + BlockSignals(True, SIGPIPE); + + /* Done with one-time initialisation */ + smbc_initialized = 1; + + } + + if (!context->user) { + /* + * FIXME: Is this the best way to get the user info? + */ + user = getenv("USER"); + /* walk around as "guest" if no username can be found */ + if (!user) context->user = strdup("guest"); + else context->user = strdup(user); + } + + if (!context->netbios_name) { + /* + * We try to get our netbios name from the config. If that fails we fall + * back on constructing our netbios name from our hostname etc + */ + if (global_myname()) { + context->netbios_name = strdup(global_myname()); + } + else { + /* + * Hmmm, I want to get hostname as well, but I am too lazy for the moment + */ + pid = sys_getpid(); + context->netbios_name = malloc(17); + if (!context->netbios_name) { + errno = ENOMEM; + return NULL; + } + slprintf(context->netbios_name, 16, "smbc%s%d", context->user, pid); + } + } + + DEBUG(1, ("Using netbios name %s.\n", context->netbios_name)); + + if (!context->workgroup) { + if (lp_workgroup()) { + context->workgroup = strdup(lp_workgroup()); + } + else { + /* TODO: Think about a decent default workgroup */ + context->workgroup = strdup("samba"); + } + } + + DEBUG(1, ("Using workgroup %s.\n", context->workgroup)); + + /* shortest timeout is 1 second */ + if (context->timeout > 0 && context->timeout < 1000) + context->timeout = 1000; + + /* + * FIXME: Should we check the function pointers here? + */ + + context->internal->_initialized = 1; + + return context; +} |