diff options
Diffstat (limited to 'source/libsmb/libsmbclient.c')
| -rw-r--r-- | source/libsmb/libsmbclient.c | 2642 |
1 files changed, 2642 insertions, 0 deletions
diff --git a/source/libsmb/libsmbclient.c b/source/libsmb/libsmbclient.c new file mode 100644 index 00000000000..0ffc1c1378e --- /dev/null +++ b/source/libsmb/libsmbclient.c @@ -0,0 +1,2642 @@ +/* + 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 + + 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 "libsmbclient.h" + +/* + * 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; +extern pstring global_myname; + +/* + * Is the logging working / configfile read ? + */ +static int smbc_initialized = 0; + +/* + * Function to parse a path and turn it into components + * + * We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] + * + * smb:// means show all the workgroups + * smb://name/ means, if name<1D> or name<1B> exists, list servers in workgroup, + * else, if name<20> exists, list all shares for server ... + */ + +static const char *smbc_prefix = "smb:"; + +static int +smbc_parse_path(SMBCCTX *context, const char *fname, char *server, char *share, char *path, + char *user, char *password) /* FIXME, lengths of strings */ +{ + static pstring s; + pstring userinfo; + char *p; + char *q, *r; + int len; + + server[0] = share[0] = path[0] = user[0] = password[0] = (char)0; + pstrcpy(s, fname); + + /* clean_fname(s); causing problems ... */ + + /* 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)) { + + return -1; + + } + + p += 2; /* Skip the // or \\ */ + + if (*p == (char)0) + return 0; + + 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; + 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, sizeof(fstring)); /* FIXME, size and domain */ + + if (passwd[0]) + strncpy(password, passwd, sizeof(fstring)); /* FIXME, size */ + + } + + if (!next_token(&p, server, "/", sizeof(fstring))) { + + return -1; + + } + + if (*p == (char)0) return 0; /* That's it ... */ + + if (!next_token(&p, share, "/", sizeof(fstring))) { + + return -1; + + } + + pstrcpy(path, p); + + all_string_sub(path, "/", "\\", 0); + + return 0; +} + +/* + * Convert an SMB error into a UNIX error ... + */ + +static int smbc_errno(SMBCCTX *context, struct cli_state *c) +{ + int ret; + + if (cli_is_dos_error(c)) { + uint8 eclass; + uint32 ecode; + + cli_dos_error(c, &eclass, &ecode); + ret = cli_errno_from_dos(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); + ret = cli_errno_from_nt(status); + + DEBUG(3,("smbc errno %s -> %d\n", + get_nt_error_msg(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 ( cli_send_keepalive(&server->cli) == False ) + return 1; + + /* connection is ok */ + return 0; +} + +/* + * Remove a server from the list server_table if 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->_initialized || !srv) return 1; + + + /* Check all open files/directories for a relation with this server */ + for (file = context->_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->_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; +} + +/* + * 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, + char *server, char *share, + char *workgroup, char *username, + char *password) +{ + SMBCSRV *srv=NULL; + int auth_called = 0; + struct cli_state c; + struct nmb_name called, calling; + char *p, *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; + } + + 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; + } + + 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 ((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; + + } + + 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 = ENOENT; + return NULL; + } + + c.timeout = context->timeout; + + if (!cli_connect(&c, server_n, &ip)) { + cli_shutdown(&c); + errno = ENOENT; + 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 (!inet_aton(server, &rem_ip)) { + 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)); + + return srv; + + failed: + cli_shutdown(&c); + if (!srv) return NULL; + + SAFE_FREE(srv); + return NULL; +} + +/* + * 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->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return NULL; + + } + + if (!fname) { + + errno = EINVAL; + return NULL; + + } + + smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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->_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->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count)); + + if (!file || !DLIST_CONTAINS(context->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->_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->_files, file); + SAFE_FREE(file->fname); + SAFE_FREE(file); + context->callbacks.remove_unused_server_fn(context, srv); + + return -1; + + } + + 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->_files, file); + SAFE_FREE(file->fname); + SAFE_FREE(file); + context->callbacks.remove_unused_server_fn(context, srv); + + return -1; + } + + DLIST_REMOVE(context->_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->_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) return False; + + if (cli_getatr(&srv->cli, path, mode, size, m_time)) { + a_time = c_time = m_time; + srv->no_pathinfo2 = True; + return True; + } + + 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->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + smbc_parse_path(context, fname, server, share, path, user, password); /* FIXME, check errors */ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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->_initialized || !ncontext->_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, share1, path1, user1, password1); + + if (user1[0] == (char)0) pstrcpy(user1, ocontext->user); + + smbc_parse_path(ncontext, nname, server2, share2, path2, user2, password2); + + if (user2[0] == (char)0) pstrcpy(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; + + } + + pstrcpy(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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->_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) && + !cli_getattrE(&file->srv->cli, file->cli_fd, NULL, &size, NULL, NULL, + NULL)) { + + errno = EINVAL; + return -1; + } + 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->_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; + st->st_blksize = 512; + st->st_blocks = (size+511)/512; + 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->_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_stat(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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 (!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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!file || !DLIST_CONTAINS(context->_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) && + !cli_getattrE(&file->srv->cli, file->cli_fd, + &mode, &size, &c_time, &a_time, &m_time)) { + + errno = EINVAL; + return -1; + + } + + 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 want to allow: + * + * smb: which should list all the workgroups available + * smb:workgroup + * smb:workgroup//server + * smb://server + * smb://server/share + * smb://<IP-addr> which should list shares on server + * smb://<IP-addr>/share which should list files on share + */ + +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; + + /* + * 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) + (name?strlen(name):0) + + (comment?strlen(comment):0) + 1; + + dirent = malloc(size); + + if (!dirent) { + + dir->dir_error = ENOMEM; + return -1; + + } + + ZERO_STRUCTP(dirent); + + 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 = (name?strlen(name):0); + dirent->commentlen = (comment?strlen(comment):0); + dirent->dirlen = size; + + strncpy(dirent->name, (name?name:""), dirent->namelen + 1); + + dirent->comment = (char *)(&dirent->name + dirent->namelen + 1); + strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1); + + return 0; + +} + +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; + } + ZERO_STRUCTP(dir->dir_list); + + } + 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, workgroup; + pstring path; + SMBCSRV *srv = NULL; + SMBCFILE *dir = NULL; + struct in_addr rem_ip; + int slot = 0; + + if (!context || !context->_initialized) { + + errno = EINVAL; + return NULL; + + } + + if (!fname) { + + errno = EINVAL; + return NULL; + + } + + if (smbc_parse_path(context, fname, server, share, path, user, password)) { + + errno = EINVAL; + return NULL; + + } + + if (user[0] == (char)0) pstrcpy(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) { + + 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 */ + + if (!(resolve_name(context->workgroup, &rem_ip, 0x1d) || + resolve_name(context->workgroup, &rem_ip, 0x1b))) { + + errno = EINVAL; /* Something wrong with smb.conf? */ + return NULL; + + } + + dir->dir_type = SMBC_WORKGROUP; + + /* find the name of the server ... */ + + if (!name_status_find("*", 0, 0, rem_ip, server)) { + + DEBUG(0,("Could not get the name of local/domain master browser for server %s\n", server)); + errno = EINVAL; + return NULL; + + } + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(context, server, "IPC$", workgroup, user, password); + + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + + return NULL; + + } + ZERO_STRUCTP(dir->dir_end); + + dir->srv = srv; + + /* Now, list the stuff ... */ + + if (!cli_NetServerEnum(&srv->cli, workgroup, 0x80000000, list_fn, + (void *)dir)) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = cli_errno(&srv->cli); + + return NULL; + + } + } + else { /* Server not an empty string ... Check the rest and see what gives */ + + if (share[0] == (char)0) { + + if (path[0] != (char)0) { /* Should not have empty share with path */ + + errno = EINVAL; + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + /* Check to see if <server><1D>, <server><1B>, or <server><20> translates */ + /* However, we check to see if <server> is an IP address first */ + + if (!is_ipaddress(server) && /* Not an IP addr so check next */ + (resolve_name(server, &rem_ip, 0x1d) || /* Found LMB */ + resolve_name(server, &rem_ip, 0x1b) )) { /* Found DMB */ + pstring buserver; + + dir->dir_type = SMBC_SERVER; + + /* + * Get the backup list ... + */ + + + if (!name_status_find("*", 0, 0, rem_ip, buserver)) { + + DEBUG(0, ("Could not get name of local/domain master browser for server %s\n", server)); + errno = EPERM; /* FIXME, is this correct */ + return NULL; + + } + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(context, buserver, "IPC$", workgroup, user, password); + + if (!srv) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + return NULL; + + } + + dir->srv = srv; + + /* Now, list the servers ... */ + + if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn, + (void *)dir)) { + + if (dir) { + SAFE_FREE(dir->fname); + SAFE_FREE(dir); + } + errno = cli_errno(&srv->cli); + return NULL; + + } + + } + else { + + if (resolve_name(server, &rem_ip, 0x20)) { + + /* Now, list the shares ... */ + + dir->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(context, server, "IPC$", 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->_files, dir); + return dir; + +} + +/* + * Routine to close a directory + */ + +static int smbc_closedir_ctx(SMBCCTX *context, SMBCFILE *dir) +{ + + if (!context || !context->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->_files, dir)) { + + errno = EBADF; + return -1; + + } + + smbc_remove_dir(dir); /* Clean it up */ + + DLIST_REMOVE(context->_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->_initialized) { + + errno = EINVAL; + return NULL; + + } + + if (!dir || !DLIST_CONTAINS(context->_files, dir)) { + + errno = EBADF; + return NULL; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + 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->_dirent, dirent, dirent->dirlen); /* Copy the dirent */ + dirp = (struct smbc_dirent *)context->_dirent; + dirp->comment = (char *)(&dirp->name + dirent->namelen + 1); + dir->dir_next = dir->dir_next->next; + + return (struct smbc_dirent *)context->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_mkdir(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_rmdir(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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) +{ + + if (!context || !context->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!dir || !DLIST_CONTAINS(context->_files, dir)) { + + errno = EBADF; + return -1; + + } + + if (dir->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + return (off_t) dir->dir_next; + +} + +/* + * 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) +{ + struct smbc_dirent *dirent = (struct smbc_dirent *)offset; + struct smbc_dir_list *list_ent = NULL; + + if (!context || !context->_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->_initialized) { + + errno = EINVAL; + return -1; + + } + + /* No code yet ... */ + + return 0; + +} + +/* + * 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->_initialized) { + + errno = EINVAL; + return NULL; + + } + + if (!fname) { + + errno = EINVAL; + return NULL; + + } + + DEBUG(4, ("smbc_open_print_job_ctx(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + /* 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->_initialized || !c_print || + !c_print->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname && !printq) { + + errno = EINVAL; + return -1; + + } + + /* Try to open the file for reading ... */ + + if ((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 ((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, void (*fn)(struct print_job_info *)) +{ + SMBCSRV *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!context || !context->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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, 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->_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname)); + + smbc_parse_path(context, fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, context->user); + + pstrcpy(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(*context)); + if (!context) { + errno = ENOMEM; + return NULL; + } + + ZERO_STRUCTP(context); + + /* 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->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->_files; + while (f) { + context->close(context, f); + f = f->next; + } + context->_files = NULL; + + /* First try to remove the servers the nice way. */ + if (context->callbacks.purge_cached_fn(context)) { + SMBCSRV * s; + DEBUG(1, ("Could not purge all servers, Nice way shutdown failed.\n")); + s = context->_servers; + while (s) { + cli_shutdown(&s->cli); + context->callbacks.remove_cached_srv_fn(context, s); + SAFE_FREE(s); + s = s->next; + } + context->_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->_servers) { + DEBUG(1, ("Active servers in context, free_context failed.\n")); + errno = EBUSY; + return 1; + } + if (context->_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); + 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) { + errno = EBADF; + return NULL; + } + + /* Do not initialise the same client twice */ + if (context->_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 */ + + /* Do we still need this ? */ + DEBUGLEVEL = 10; + + setup_logging( "libsmbclient", False); + + /* 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)) { + + /* + * Hmmm, what the hell do we do here ... we could not parse the + * config file ... We must return an error ... and keep info around + * about why we failed + */ + + errno = ENOENT; /* FIXME: Figure out the correct error response */ + return NULL; + } + + 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(0,("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(0,("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->_initialized = 1; + + return context; +} |