diff options
Diffstat (limited to 'source/libsmb/libsmbclient.c')
| -rw-r--r-- | source/libsmb/libsmbclient.c | 2583 |
1 files changed, 2583 insertions, 0 deletions
diff --git a/source/libsmb/libsmbclient.c b/source/libsmb/libsmbclient.c new file mode 100644 index 00000000000..33aeb62af8f --- /dev/null +++ b/source/libsmb/libsmbclient.c @@ -0,0 +1,2583 @@ +/* + Unix SMB/Netbios implementation. + Version 2.0 + SMB client library implementation + Copyright (C) Andrew Tridgell 1998 + Copyright (C) Richard Sharpe 2000 + Copyright (C) John Terpstra 2000 + + 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" + +/* Structure for servers ... Held here so we don't need an include ... + * May be better to put in an include file + */ + +struct smbc_server { + struct smbc_server *next, *prev; + struct cli_state cli; + dev_t dev; + char *server_name; + char *share_name; + char *workgroup; + char *username; + BOOL no_pathinfo2; +}; + +/* Keep directory entries in a list */ +struct smbc_dir_list { + struct smbc_dir_list *next; + struct smbc_dirent *dirent; +}; + +struct smbc_file { + int cli_fd; + int smbc_fd; + char *fname; + off_t offset; + struct smbc_server *srv; + BOOL file; + struct smbc_dir_list *dir_list, *dir_end, *dir_next; + int dir_type, dir_error; +}; + +int smbc_fstatdir(int fd, struct stat *st); /* Forward decl */ +BOOL smbc_getatr(struct smbc_server *srv, char *path, + uint16 *mode, size_t *size, + time_t *c_time, time_t *a_time, time_t *m_time, + SMB_INO_T *ino); + +extern BOOL in_client; +extern pstring global_myname; +static int smbc_initialized = 0; +static smbc_get_auth_data_fn smbc_auth_fn = NULL; +/*static int smbc_debug;*/ +static int smbc_start_fd; +static int smbc_max_fd = 10000; +static struct smbc_file **smbc_file_table; +static struct smbc_server *smbc_srvs; +static pstring my_netbios_name; +static pstring smbc_user; + +/* + * 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> 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(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, (char *)lp_workgroup(), 16); /* FIXME: Danger here */ + 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 ... + */ + +int smbc_errno(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; +} + +/* + * 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. + */ + +struct smbc_server *smbc_server(char *server, char *share, + char *workgroup, char *username, + char *password) +{ + struct smbc_server *srv=NULL; + struct cli_state c; + struct nmb_name called, calling; + char *p, *server_n = server; + fstring group; + pstring ipenv; + struct in_addr ip; + + zero_ip(&ip); + ZERO_STRUCT(c); + + /* try to use an existing connection */ + for (srv=smbc_srvs;srv;srv=srv->next) { + if (strcmp(server,srv->server_name)==0 && + strcmp(share,srv->share_name)==0 && + strcmp(workgroup,srv->workgroup)==0 && + strcmp(username, srv->username) == 0) + return srv; + } + + if (server[0] == 0) { + errno = EPERM; + return NULL; + } + + /* + * Pick up the auth info here, once we know we need to connect + * But only if we do not have a username and password ... + */ + + if (!username[0] || !password[0]) + smbc_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 ... + */ + + for (srv=smbc_srvs;srv;srv=srv->next) { + if (strcmp(server,srv->server_name)==0 && + strcmp(share,srv->share_name)==0 && + strcmp(workgroup,srv->workgroup)==0 && + strcmp(username, srv->username) == 0) + return srv; + } + + make_nmb_name(&calling, my_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) || !cli_connect(&c, server_n, &ip)) { + if (c.initialised) 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; + } + 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(&c); + cli_shutdown(&c); + return NULL; + } + + DEBUG(4,(" tconx ok\n")); + + srv = (struct smbc_server *)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)); + + srv->server_name = strdup(server); + if (!srv->server_name) { + errno = ENOMEM; + goto failed; + } + + srv->share_name = strdup(share); + if (!srv->share_name) { + errno = ENOMEM; + goto failed; + } + + srv->workgroup = strdup(workgroup); + if (!srv->workgroup) { + errno = ENOMEM; + goto failed; + } + + srv->username = strdup(username); + if (!srv->username) { + errno = ENOMEM; + goto failed; + } + + DLIST_ADD(smbc_srvs, srv); + + return srv; + + failed: + cli_shutdown(&c); + if (!srv) return NULL; + + SAFE_FREE(srv->server_name); + SAFE_FREE(srv->share_name); + SAFE_FREE(srv->workgroup); + SAFE_FREE(srv->username); + SAFE_FREE(srv); + return NULL; +} + +/* + *Remove a server from the list smbc_srvs if it's unused -- Tom (tom@ninja.nl) + * + * We accept a *srv + */ +BOOL smbc_remove_unused_server(struct smbc_server * s) +{ + int p; + + /* are we being fooled ? */ + if (!s) return False; + + /* close all open files/directories on this server */ + for (p = 0; p < SMBC_MAX_FD; p++) { + if (smbc_file_table[p] && + smbc_file_table[p]->srv == s) { + /* Still used .. DARN */ + DEBUG(3, ("smbc_remove_usused_server: %x still used by %s (%d).\n", (int) s, + smbc_file_table[p]->fname, smbc_file_table[p]->smbc_fd)); + return False; + } + } + + cli_shutdown(&s->cli); + + SAFE_FREE(s->username); + SAFE_FREE(s->workgroup); + SAFE_FREE(s->server_name); + SAFE_FREE(s->share_name); + DLIST_REMOVE(smbc_srvs, s); + DEBUG(3, ("smbc_remove_usused_server: %x removed.\n", (int) s)); + SAFE_FREE(s); + return True; +} + +/* + *Initialise the library etc + * + * We accept valid values for debug from 0 to 100, + * and insist that fn must be non-null. + */ + +int smbc_init(smbc_get_auth_data_fn fn, int debug) +{ + pstring conf; + int p, pid; + char *user = NULL, *home = NULL, *pname="libsmbclient"; + + if (!fn || debug < 0 || debug > 100) { + + errno = EINVAL; + return -1; + + } + + if (smbc_initialized) { /* Don't go through this if we have already done it */ + + return 0; + + } + + smbc_initialized = 1; + smbc_auth_fn = fn; + /* smbc_debug = debug; */ + + DEBUGLEVEL = -1; + + setup_logging(pname, 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 -1; + + } + + reopen_logs(); /* Get logging working ... */ + + /* + * 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) user = strdup("guest"); + pstrcpy(smbc_user, user); /* Save for use elsewhere */ + + /* + * 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) { + pstrcpy(my_netbios_name, global_myname); + } + else { + /* + * Hmmm, I want to get hostname as well, but I am too lazy for the moment + */ + pid = getpid(); + slprintf(my_netbios_name, 16, "smbc%s%d", user, pid); + } + DEBUG(0,("Using netbios name %s.\n", my_netbios_name)); + + name_register_wins(my_netbios_name, 0); + + /* + * Now initialize the file descriptor array and figure out what the + * max open files is, so we can return FD's that are above the max + * open file, and separated by a guard band + */ + +#if (defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE)) + do { + struct rlimit rlp; + + if (getrlimit(RLIMIT_NOFILE, &rlp)) { + + DEBUG(0, ("smbc_init: getrlimit(1) for RLIMIT_NOFILE failed with error %s\n", strerror(errno))); + + smbc_start_fd = 1000000; + + } + else { + + smbc_start_fd = rlp.rlim_max + 10000; /* Leave a guard space of 10,000 */ + + } + } while ( 0 ); +#else /* !defined(HAVE_GETRLIMIT) || !defined(RLIMIT_NOFILE) */ + + smbc_start_fd = 1000000; + +#endif + + smbc_file_table = malloc(SMBC_MAX_FD * sizeof(struct smbc_file *)); + + for (p = 0; p < SMBC_MAX_FD; p++) + smbc_file_table[p] = NULL; + + if (!smbc_file_table) + return ENOMEM; + + return 0; /* Success */ + +} + +/* + * Routine to open() a file ... + */ + +int smbc_open(const char *fname, int flags, mode_t mode) +{ + fstring server, share, user, password, workgroup; + pstring path; + struct smbc_server *srv = NULL; + int fd; + + if (!smbc_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(server, share, workgroup, user, password); + + if (!srv) { + + if (errno == EPERM) errno = EACCES; + return -1; /* 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 { + + int slot = 0; + + /* Find a free slot first */ + + while (smbc_file_table[slot]) + slot++; + + if (slot > SMBC_MAX_FD) { + + errno = ENOMEM; /* FIXME, is this best? */ + return -1; + + } + + smbc_file_table[slot] = malloc(sizeof(struct smbc_file)); + + if (!smbc_file_table[slot]) { + + errno = ENOMEM; + return -1; + + } + + if ((fd = cli_open(&srv->cli, path, flags, DENY_NONE)) < 0) { + + /* Handle the error ... */ + + SAFE_FREE(smbc_file_table[slot]); + errno = smbc_errno(&srv->cli); + return -1; + + } + + /* Fill in file struct */ + + smbc_file_table[slot]->cli_fd = fd; + smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd; + smbc_file_table[slot]->fname = strdup(fname); + smbc_file_table[slot]->srv = srv; + smbc_file_table[slot]->offset = 0; + smbc_file_table[slot]->file = True; + + return smbc_file_table[slot]->smbc_fd; + + } + + /* Check if opendir needed ... */ + + if (fd == -1) { + int eno = 0; + + eno = smbc_errno(&srv->cli); + fd = smbc_opendir(fname); + if (fd < 0) errno = eno; + return fd; + + } + + return 1; /* Success, with fd ... */ + +} + +/* + * Routine to create a file + */ + +static int creat_bits = O_WRONLY | O_CREAT | O_TRUNC; /* FIXME: Do we need this */ + +int smbc_creat(const char *path, mode_t mode) +{ + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + return smbc_open(path, creat_bits, mode); +} + +/* + * Routine to read() a file ... + */ + +ssize_t smbc_read(int fd, void *buf, size_t count) +{ + struct smbc_file *fe; + int ret; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_read(%d, %d)\n", fd, (int)count)); + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + /* Check that the buffer exists ... */ + + if (buf == NULL) { + + errno = EINVAL; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe || !fe->file) { + + errno = EBADF; + return -1; + + } + + ret = cli_read(&fe->srv->cli, fe->cli_fd, buf, fe->offset, count); + + if (ret < 0) { + + errno = smbc_errno(&fe->srv->cli); + return -1; + + } + + fe->offset += ret; + + DEBUG(4, (" --> %d\n", ret)); + + return ret; /* Success, ret bytes of data ... */ + +} + +/* + * Routine to write() a file ... + */ + +ssize_t smbc_write(int fd, void *buf, size_t count) +{ + int ret; + struct smbc_file *fe; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + /* Check that the buffer exists ... */ + + if (buf == NULL) { + + errno = EINVAL; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe || !fe->file) { + + errno = EBADF; + return -1; + + } + + ret = cli_write(&fe->srv->cli, fe->cli_fd, 0, buf, fe->offset, count); + + if (ret <= 0) { + + errno = smbc_errno(&fe->srv->cli); + return -1; + + } + + fe->offset += ret; + + return ret; /* Success, 0 bytes of data ... */ +} + +/* + * Routine to close() a file ... + */ + +int smbc_close(int fd) +{ + struct smbc_file *fe; + struct smbc_server *srv; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (!fe->file) { + + return smbc_closedir(fd); + + } + + if (!cli_close(&fe->srv->cli, fe->cli_fd)) { + + DEBUG(3, ("cli_close failed on %s (%d). purging server.\n", + fe->fname, fe->smbc_fd)); + /* Deallocate slot and remove the server + * from the server cache if unused */ + errno = smbc_errno(&fe->srv->cli); + srv = fe->srv; + SAFE_FREE(fe->fname); + SAFE_FREE(fe); + smbc_file_table[fd - smbc_start_fd] = NULL; + smbc_remove_unused_server(srv); + + return -1; + + } + + SAFE_FREE(fe->fname); + SAFE_FREE(fe); + smbc_file_table[fd - smbc_start_fd] = NULL; + + return 0; +} + +/* + * Routine to unlink() a file + */ + +int smbc_unlink(const char *fname) +{ + fstring server, share, user, password, workgroup; + pstring path; + struct smbc_server *srv = NULL; + + if (!smbc_initialized) { + + errno = EINVAL; /* Best I can think of ... */ + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + smbc_parse_path(fname, server, share, path, user, password); /* FIXME, check errors */ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(&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(srv, path, &mode, &size, + &c_time, &a_time, &m_time, &ino)) { + + /* Hmmm, bad error ... What? */ + + errno = smbc_errno(&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 + */ + +int smbc_rename(const char *oname, const char *nname) +{ + fstring server1, share1, server2, share2, user1, user2, password1, password2, workgroup; + pstring path1, path2; + struct smbc_server *srv = NULL; + + if (!smbc_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(oname, server1, share1, path1, user1, password1); + + if (user1[0] == (char)0) pstrcpy(user1, smbc_user); + + smbc_parse_path(nname, server2, share2, path2, user2, password2); + + if (user2[0] == (char)0) pstrcpy(user2, smbc_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, lp_workgroup()); + + srv = smbc_server(server1, share1, workgroup, user1, password1); + if (!srv) { + + return -1; + + } + + if (!cli_rename(&srv->cli, path1, path2)) { + int eno = smbc_errno(&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 + */ + +off_t smbc_lseek(int fd, off_t offset, int whence) +{ + struct smbc_file *fe; + size_t size; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (!fe->file) { + + errno = EINVAL; + return -1; /* Can't lseek a dir ... */ + + } + + switch (whence) { + case SEEK_SET: + fe->offset = offset; + break; + + case SEEK_CUR: + fe->offset += offset; + break; + + case SEEK_END: + if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL, + NULL, NULL, NULL) && + !cli_getattrE(&fe->srv->cli, fe->cli_fd, NULL, &size, NULL, NULL, + NULL)) { + + errno = EINVAL; + return -1; + } + fe->offset = size + offset; + break; + + default: + errno = EINVAL; + break; + + } + + return fe->offset; + +} + +/* + * Generate an inode number from file name for those things that need it + */ + +static +ino_t smbc_inode(const char *name) +{ + + 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(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(fname); + } + + return True; /* FIXME: Is this needed ? */ + +} + +/* + * 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 + */ + +BOOL smbc_getatr(struct smbc_server *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 (!smbc_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 stat a file given a name + */ + +int smbc_stat(const char *fname, struct stat *st) +{ + struct smbc_server *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 (!smbc_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(fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(srv, path, &mode, &size, + &c_time, &a_time, &m_time, &ino)) { + + errno = smbc_errno(&srv->cli); + return -1; + + } + + /* } */ + + st->st_ino = ino; + + smbc_setup_stat(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 + */ + +int smbc_fstat(int fd, struct stat *st) +{ + struct smbc_file *fe; + time_t c_time, a_time, m_time; + size_t size; + uint16 mode; + SMB_INO_T ino = 0; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (!fe->file) { + + return smbc_fstatdir(fd, st); + + } + + if (!cli_qfileinfo(&fe->srv->cli, fe->cli_fd, + &mode, &size, &c_time, &a_time, &m_time, NULL, &ino) && + !cli_getattrE(&fe->srv->cli, fe->cli_fd, + &mode, &size, &c_time, &a_time, &m_time)) { + + errno = EINVAL; + return -1; + + } + + st->st_ino = ino; + + smbc_setup_stat(st, fe->fname, size, mode); + + st->st_atime = a_time; + st->st_ctime = c_time; + st->st_mtime = m_time; + st->st_dev = fe->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(struct smbc_file *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(struct smbc_file *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; + + } + + 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; + + } + + dir->dir_end = dir->dir_next = dir->dir_list; + + } + else { + + dir->dir_end->next = malloc(sizeof(struct smbc_dir_list)); + + if (!dir->dir_end) { + + SAFE_FREE(dirent); + dir->dir_error = ENOMEM; + return -1; + + } + + 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) +{ + struct smbc_file *dir = (struct smbc_file *)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((struct smbc_file *)state, finfo->name, "", + (finfo->mode&aDIR?SMBC_DIR:SMBC_FILE)) < 0) { + + /* Handle an error ... */ + /* FIXME: Add some code ... */ + + } + +} + +int smbc_opendir(const char *fname) +{ + fstring server, share, user, password, workgroup; + pstring path; + struct smbc_server *srv = NULL; + struct in_addr rem_ip; + int slot = 0; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + if (smbc_parse_path(fname, server, share, path, user, password)) { + + errno = EINVAL; + return -1; + + } + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + /* Get a file entry ... */ + + slot = 0; + + while (smbc_file_table[slot]) + slot++; + + if (slot > SMBC_MAX_FD) { + + errno = ENOMEM; + return -1; /* FIXME, ... move into a func */ + + } + + smbc_file_table[slot] = malloc(sizeof(struct smbc_file)); + + if (!smbc_file_table[slot]) { + + errno = ENOMEM; + return -1; + + } + + smbc_file_table[slot]->cli_fd = 0; + smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd; + smbc_file_table[slot]->fname = strdup(fname); + smbc_file_table[slot]->srv = NULL; + smbc_file_table[slot]->offset = 0; + smbc_file_table[slot]->file = False; + smbc_file_table[slot]->dir_list = + smbc_file_table[slot]->dir_next = + smbc_file_table[slot]->dir_end = NULL; + + if (server[0] == (char)0) { + + if (share[0] != (char)0 || path[0] != (char)0) { + + errno = EINVAL; + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + /* We have server and share and path empty ... so list the workgroups */ + + if (!resolve_name(lp_workgroup(), &rem_ip, 0x1d)) { + + errno = EINVAL; /* Something wrong with smb.conf? */ + return -1; + + } + + smbc_file_table[slot]->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 master browser for server %s\n", server)); + errno = EINVAL; + return -1; + + } + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(server, "IPC$", workgroup, user, password); + + if (!srv) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the stuff ... */ + + if (!cli_NetServerEnum(&srv->cli, workgroup, 0x80000000, list_fn, + (void *)smbc_file_table[slot])) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + errno = cli_errno(&srv->cli); + return -1; + + } + } + else { /* Server not an empty string ... Check the rest and see what gives */ + + if (share[0] == (char)0) { + + if (path[0] != (char)0) { /* Should not have empty share with path */ + + errno = EINVAL; + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + /* Check to see if <server><1D> translates, or <server><20> translates */ + /* However, we check to see if <server> is an IP address first */ + + if (!is_ipaddress(server) && /* Not an IP addr so check next */ + resolve_name(server, &rem_ip, 0x1d)) { /* Found LMB */ + pstring buserver; + + smbc_file_table[slot]->dir_type = SMBC_SERVER; + + /* + * Get the backup list ... + */ + + + if (!name_status_find("*", 0, 0, rem_ip, buserver)) { + + DEBUG(0, ("Could not get name of local master browser %s\n", server)); + errno = EPERM; /* FIXME, is this correct */ + return -1; + + } + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(buserver, "IPC$", workgroup, user, password); + + if (!srv) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the servers ... */ + + if (!cli_NetServerEnum(&srv->cli, server, 0x0000FFFE, list_fn, + (void *)smbc_file_table[slot])) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + errno = cli_errno(&srv->cli); + return -1; + + } + + } + else { + + if (resolve_name(server, &rem_ip, 0x20)) { + + /* Now, list the shares ... */ + + smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(server, "IPC$", workgroup, user, password); + + if (!srv) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the servers ... */ + + if (cli_RNetShareEnum(&srv->cli, list_fn, + (void *)smbc_file_table[slot]) < 0) { + + errno = cli_errno(&srv->cli); + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + } + else { + + errno = ENODEV; /* Neither the workgroup nor server exists */ + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + } + + } + else { /* The server and share are specified ... work from there ... */ + + /* Well, we connect to the server and list the directory */ + + smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(server, share, workgroup, user, password); + + if (!srv) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the files ... */ + + pstrcat(path, "\\*"); + + if (cli_list(&srv->cli, path, aDIR | aSYSTEM | aHIDDEN, dir_list_fn, + (void *)smbc_file_table[slot]) < 0) { + + if (smbc_file_table[slot]) { + SAFE_FREE(smbc_file_table[slot]->fname); + SAFE_FREE(smbc_file_table[slot]); + } + errno = smbc_errno(&srv->cli); + return -1; + + } + } + + } + + return smbc_file_table[slot]->smbc_fd; + +} + +/* + * Routine to close a directory + */ + +int smbc_closedir(int fd) +{ + struct smbc_file *fe; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + smbc_remove_dir(fe); /* Clean it up */ + + if (fe) { + + SAFE_FREE(fe->fname); + SAFE_FREE(fe); /* Free the space too */ + + } + + smbc_file_table[fd - smbc_start_fd] = NULL; + + return 0; + +} + +/* + * Routine to get a directory entry + */ + +static char smbc_local_dirent[512]; /* Make big enough */ + +struct smbc_dirent *smbc_readdir(unsigned int fd) +{ + struct smbc_file *fe; + struct smbc_dirent *dirp, *dirent; + + /* Check that all is ok first ... */ + + if (!smbc_initialized) { + + errno = EINVAL; + return NULL; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return NULL; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return NULL; + + } + + if (fe->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return NULL; + + } + + if (!fe->dir_next) + return NULL; + else { + + dirent = fe->dir_next->dirent; + + if (!dirent) { + + errno = ENOENT; + return NULL; + + } + + /* Hmmm, do I even need to copy it? */ + + bcopy(dirent, smbc_local_dirent, dirent->dirlen); /* Copy the dirent */ + + dirp = (struct smbc_dirent *)smbc_local_dirent; + + dirp->comment = (char *)(&dirp->name + dirent->namelen + 1); + + fe->dir_next = fe->dir_next->next; + + return (struct smbc_dirent *)smbc_local_dirent; + } + +} + +/* + * Routine to get directory entries + */ + +int smbc_getdents(unsigned int fd, struct smbc_dirent *dirp, int count) +{ + struct smbc_file *fe; + struct smbc_dir_list *dir; + int rem = count, reqd; + char *ndir = (char *)dirp; + + /* Check that all is ok first ... */ + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (fe->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 ((dir = fe->dir_next)) { + struct smbc_dirent *dirent; + + if (!dir->dirent) { + + errno = ENOENT; /* Bad error */ + return -1; + + } + + if (rem < (reqd = (sizeof(struct smbc_dirent) + dir->dirent->namelen + + dir->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 = dir->dirent; + + bcopy(dirent, ndir, reqd); /* Copy the data in ... */ + + ((struct smbc_dirent *)ndir)->comment = + (char *)(&((struct smbc_dirent *)ndir)->name + dirent->namelen + 1); + + ndir += reqd; + + rem -= reqd; + + fe->dir_next = dir = dir -> next; + } + + if (rem == count) + return 0; + else + return count - rem; + +} + +/* + * Routine to create a directory ... + */ + +int smbc_mkdir(const char *fname, mode_t mode) +{ + struct smbc_server *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_mkdir(%s)\n", fname)); + + smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(&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 + */ + +int smbc_rmdir(const char *fname) +{ + struct smbc_server *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_rmdir(%s)\n", fname)); + + smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(&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(&srv->cli))); + errno = EACCES; + + } + + if (smbc_rmdir_dirempty) + errno = EACCES; + else + errno = ENOTEMPTY; + + } + + return -1; + + } + + return 0; + +} + +/* + * Routine to return the current directory position + */ + +off_t smbc_telldir(int fd) +{ + struct smbc_file *fe; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (fe->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + return (off_t) fe->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 + */ + +int smbc_lseekdir(int fd, off_t offset) +{ + struct smbc_file *fe; + struct smbc_dirent *dirent = (struct smbc_dirent *)offset; + struct smbc_dir_list *list_ent = NULL; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + SMBC_MAX_FD)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (!fe) { + + errno = EBADF; + return -1; + + } + + if (fe->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 */ + + fe->dir_next = fe->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(fe->dir_list, dirent)) == NULL) { + + errno = EINVAL; /* Bad entry */ + return -1; + + } + + fe->dir_next = list_ent; + + return 0; + +} + +/* + * Routine to fstat a dir + */ + +int smbc_fstatdir(int fd, struct stat *st) +{ + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + /* No code yet ... */ + + return 0; + +} + +/* + * 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. + */ + +int smbc_print_file(const char *fname, const char *printq) +{ + int fid1, fid2, bytes, saverr, tot_bytes = 0; + char buf[4096]; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname && !printq) { + + errno = EINVAL; + return -1; + + } + + /* Try to open the file for reading ... */ + + if ((fid1 = smbc_open(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 = smbc_open_print_job(printq)) < 0) { + + saverr = errno; /* Save errno */ + smbc_close(fid1); + errno = saverr; + return -1; + + } + + while ((bytes = smbc_read(fid1, buf, sizeof(buf))) > 0) { + + tot_bytes += bytes; + + if ((smbc_write(fid2, buf, bytes)) < 0) { + + saverr = errno; + smbc_close(fid1); + smbc_close(fid2); + errno = saverr; + + } + + } + + saverr = errno; + + smbc_close(fid1); /* We have to close these anyway */ + smbc_close(fid2); + + if (bytes < 0) { + + errno = saverr; + return -1; + + } + + return tot_bytes; + +} + +/* + * Open a print file to be written to by other calls + */ + +int smbc_open_print_job(const char *fname) +{ + fstring server, share, user, password; + pstring path; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_open_print_job(%s)\n", fname)); + + smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/ + + /* What if the path is empty, or the file exists? */ + + return smbc_open(fname, O_WRONLY, 666); + +} + +/* + * Routine to list print jobs on a printer share ... + */ + +int smbc_list_print_jobs(const char *fname, void (*fn)(struct print_job_info *)) +{ + struct smbc_server *srv; + fstring server, share, user, password, workgroup; + pstring path; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname)); + + smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(&srv->cli); + return -1; + + } + + return 0; + +} + +/* + * Delete a print job from a remote printer share + */ + +int smbc_unlink_print_job(const char *fname, int id) +{ + struct smbc_server *srv; + fstring server, share, user, password, workgroup; + pstring path; + int err; + + if (!smbc_initialized) { + + errno = EINVAL; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname)); + + smbc_parse_path(fname, server, share, path, user, password); /*FIXME, errors*/ + + if (user[0] == (char)0) pstrcpy(user, smbc_user); + + pstrcpy(workgroup, lp_workgroup()); + + srv = smbc_server(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(&srv->cli); + else if (err == ERRnosuchprintjob) + errno = EINVAL; + return -1; + + + } + + return 0; + +} + |