/* * Connect to a server for getting/setting attributes, possibly on an existing * connection. This works similarly to SMBC_server(). */ SMBCSRV * SMBC_attr_server(TALLOC_CTX *ctx, SMBCCTX *context, const char *server, uint16_t port, const char *share, char **pp_workgroup, char **pp_username, char **pp_password) { int flags; struct cli_state *ipc_cli = NULL; struct rpc_pipe_client *pipe_hnd = NULL; NTSTATUS nt_status; SMBCSRV *srv=NULL; SMBCSRV *ipc_srv=NULL; /* * Use srv->cli->desthost and srv->cli->share instead of * server and share below to connect to the actual share, * i.e., a normal share or a referred share from * 'msdfs proxy' share. */ srv = SMBC_server(ctx, context, true, server, port, share, pp_workgroup, pp_username, pp_password); if (!srv) { return NULL; } server = smbXcli_conn_remote_name(srv->cli->conn); share = srv->cli->share; /* * See if we've already created this special connection. Reference * our "special" share name '*IPC$', which is an impossible real share * name due to the leading asterisk. */ ipc_srv = SMBC_find_server(ctx, context, server, "*IPC$", pp_workgroup, pp_username, pp_password); if (!ipc_srv) { int signing_state = SMB_SIGNING_DEFAULT; /* We didn't find a cached connection. Get the password */ if (!*pp_password || (*pp_password)[0] == '\0') { /* ... then retrieve it now. */ SMBC_call_auth_fn(ctx, context, server, share, pp_workgroup, pp_username, pp_password); if (!*pp_workgroup || !*pp_username || !*pp_password) { errno = ENOMEM; return NULL; } } flags = 0; if (smbc_getOptionUseKerberos(context)) { flags |= CLI_FULL_CONNECTION_USE_KERBEROS; } if (smbc_getOptionUseCCache(context)) { flags |= CLI_FULL_CONNECTION_USE_CCACHE; } if (context->internal->smb_encryption_level != SMBC_ENCRYPTLEVEL_NONE) { signing_state = SMB_SIGNING_REQUIRED; } nt_status = cli_full_connection(&ipc_cli, lp_netbios_name(), server, NULL, 0, "IPC$", "?????", *pp_username, *pp_workgroup, *pp_password, flags, signing_state); if (! NT_STATUS_IS_OK(nt_status)) { DEBUG(1,("cli_full_connection failed! (%s)\n", nt_errstr(nt_status))); errno = ENOTSUP; return NULL; } if (context->internal->smb_encryption_level) { /* Attempt UNIX smb encryption. */ if (!NT_STATUS_IS_OK(cli_force_encryption(ipc_cli, *pp_username, *pp_password, *pp_workgroup))) { /* * context->smb_encryption_level == * 1 means don't fail if encryption can't be * negotiated, == 2 means fail if encryption * can't be negotiated. */ DEBUG(4,(" SMB encrypt failed on IPC$\n")); if (context->internal->smb_encryption_level == 2) { cli_shutdown(ipc_cli); errno = EPERM; return NULL; } } DEBUG(4,(" SMB encrypt ok on IPC$\n")); } ipc_srv = SMB_MALLOC_P(SMBCSRV); if (!ipc_srv) { errno = ENOMEM; cli_shutdown(ipc_cli); return NULL; } ZERO_STRUCTP(ipc_srv); DLIST_ADD(ipc_srv->cli, ipc_cli); nt_status = cli_rpc_pipe_open_noauth( ipc_srv->cli, &ndr_table_lsarpc, &pipe_hnd); if (!NT_STATUS_IS_OK(nt_status)) { DEBUG(1, ("cli_nt_session_open fail!\n")); errno = ENOTSUP; cli_shutdown(ipc_srv->cli); free(ipc_srv); return NULL; } /* * Some systems don't support * SEC_FLAG_MAXIMUM_ALLOWED, but NT sends 0x2000000 * so we might as well do it too. */ nt_status = rpccli_lsa_open_policy( pipe_hnd, talloc_tos(), True, GENERIC_EXECUTE_ACCESS, &ipc_srv->pol); if (!NT_STATUS_IS_OK(nt_status)) { errno = SMBC_errno(context, ipc_srv->cli); cli_shutdown(ipc_srv->cli); free(ipc_srv); return NULL; } /* now add it to the cache (internal or external) */ errno = 0; /* let cache function set errno if it likes */ if (smbc_getFunctionAddCachedServer(context)(context, ipc_srv, server, "*IPC$", *pp_workgroup, *pp_username)) { DEBUG(3, (" Failed to add server to cache\n")); if (errno == 0) { errno = ENOMEM; } cli_shutdown(ipc_srv->cli); free(ipc_srv); return NULL; } DLIST_ADD(context->internal->servers, ipc_srv); } return ipc_srv; }
SMBCFILE * SMBC_open_ctx(SMBCCTX *context, const char *fname, int flags, mode_t mode) { char *server = NULL; char *share = NULL; char *user = NULL; char *password = NULL; char *workgroup = NULL; char *path = NULL; char *targetpath = NULL; struct cli_state *targetcli = NULL; SMBCSRV *srv = NULL; SMBCFILE *file = NULL; uint16_t fd; uint16_t port = 0; NTSTATUS status = NT_STATUS_OBJECT_PATH_INVALID; TALLOC_CTX *frame = talloc_stackframe(); if (!context || !context->internal->initialized) { errno = EINVAL; /* Best I can think of ... */ TALLOC_FREE(frame); return NULL; } if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return NULL; } if (SMBC_parse_path(frame, context, fname, &workgroup, &server, &port, &share, &path, &user, &password, NULL)) { errno = EINVAL; TALLOC_FREE(frame); return NULL; } if (!user || user[0] == (char)0) { user = talloc_strdup(frame, smbc_getUser(context)); if (!user) { errno = ENOMEM; TALLOC_FREE(frame); return NULL; } } srv = SMBC_server(frame, context, True, server, port, share, &workgroup, &user, &password); if (!srv) { if (errno == EPERM) errno = EACCES; TALLOC_FREE(frame); return NULL; /* SMBC_server sets errno */ } /* Hmmm, the test for a directory is suspect here ... FIXME */ if (strlen(path) > 0 && path[strlen(path) - 1] == '\\') { status = NT_STATUS_OBJECT_PATH_INVALID; } else { file = SMB_MALLOC_P(SMBCFILE); if (!file) { errno = ENOMEM; TALLOC_FREE(frame); return NULL; } ZERO_STRUCTP(file); /*d_printf(">>>open: resolving %s\n", path);*/ status = cli_resolve_path( frame, "", context->internal->auth_info, srv->cli, path, &targetcli, &targetpath); if (!NT_STATUS_IS_OK(status)) { d_printf("Could not resolve %s\n", path); errno = ENOENT; SAFE_FREE(file); TALLOC_FREE(frame); return NULL; } /*d_printf(">>>open: resolved %s as %s\n", path, targetpath);*/ status = cli_open(targetcli, targetpath, flags, context->internal->share_mode, &fd); if (!NT_STATUS_IS_OK(status)) { /* Handle the error ... */ SAFE_FREE(file); errno = SMBC_errno(context, targetcli); TALLOC_FREE(frame); return NULL; } /* Fill in file struct */ file->cli_fd = fd; file->fname = SMB_STRDUP(fname); file->srv = srv; file->offset = 0; file->file = True; /* * targetcli is either equal to srv->cli or * is a subsidiary DFS connection. Either way * file->cli_fd belongs to it so we must cache * it for read/write/close, not re-resolve each time. * Re-resolving is both slow and incorrect. */ file->targetcli = targetcli; DLIST_ADD(context->internal->files, file); /* * If the file was opened in O_APPEND mode, all write * operations should be appended to the file. To do that, * though, using this protocol, would require a getattrE() * call for each and every write, to determine where the end * of the file is. (There does not appear to be an append flag * in the protocol.) Rather than add all of that overhead of * retrieving the current end-of-file offset prior to each * write operation, we'll assume that most append operations * will continuously write, so we'll just set the offset to * the end of the file now and hope that's adequate. * * Note to self: If this proves inadequate, and O_APPEND * should, in some cases, be forced for each write, add a * field in the context options structure, for * "strict_append_mode" which would select between the current * behavior (if FALSE) or issuing a getattrE() prior to each * write and forcing the write to the end of the file (if * TRUE). Adding that capability will likely require adding * an "append" flag into the _SMBCFILE structure to track * whether a file was opened in O_APPEND mode. -- djl */ if (flags & O_APPEND) { if (SMBC_lseek_ctx(context, file, 0, SEEK_END) < 0) { (void) SMBC_close_ctx(context, file); errno = ENXIO; TALLOC_FREE(frame); return NULL; } } TALLOC_FREE(frame); return file; } /* Check if opendir needed ... */ if (!NT_STATUS_IS_OK(status)) { int eno = 0; eno = SMBC_errno(context, srv->cli); file = smbc_getFunctionOpendir(context)(context, fname); if (!file) errno = eno; TALLOC_FREE(frame); return file; } errno = EINVAL; /* FIXME, correct errno ? */ TALLOC_FREE(frame); return NULL; }
int SMBC_unlink_print_job_ctx(SMBCCTX *context, const char *fname, int id) { SMBCSRV *srv = NULL; char *server = NULL; char *share = NULL; char *user = NULL; char *password = NULL; char *workgroup = NULL; char *path = NULL; int err; TALLOC_CTX *frame = talloc_stackframe(); if (!context || !context->internal->initialized) { errno = EINVAL; TALLOC_FREE(frame); return -1; } if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } DEBUG(4, ("smbc_unlink_print_job(%s)\n", fname)); if (SMBC_parse_path(frame, context, fname, &workgroup, &server, &share, &path, &user, &password, NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } if (!user || user[0] == (char)0) { user = talloc_strdup(frame, smbc_getUser(context)); if (!user) { errno = ENOMEM; TALLOC_FREE(frame); return -1; } } srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); 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; TALLOC_FREE(frame); return -1; } TALLOC_FREE(frame); return 0; }
int SMBC_stat_ctx(SMBCCTX *context, const char *fname, struct stat *st) { SMBCSRV *srv = NULL; char *server = NULL; char *share = NULL; char *user = NULL; char *password = NULL; char *workgroup = NULL; char *path = NULL; struct timespec write_time_ts; struct timespec access_time_ts; struct timespec change_time_ts; SMB_OFF_T size = 0; uint16 mode = 0; SMB_INO_T ino = 0; TALLOC_CTX *frame = talloc_stackframe(); if (!context || !context->internal->initialized) { errno = EINVAL; /* Best I can think of ... */ TALLOC_FREE(frame); return -1; } if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } DEBUG(4, ("smbc_stat(%s)\n", fname)); if (SMBC_parse_path(frame, context, fname, &workgroup, &server, &share, &path, &user, &password, NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } if (!user || user[0] == (char)0) { user = talloc_strdup(frame, smbc_getUser(context)); if (!user) { errno = ENOMEM; TALLOC_FREE(frame); return -1; } } srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_server */ } if (!SMBC_getatr(context, srv, path, &mode, &size, NULL, &access_time_ts, &write_time_ts, &change_time_ts, &ino)) { errno = SMBC_errno(context, srv->cli); TALLOC_FREE(frame); return -1; } st->st_ino = ino; setup_stat(context, st, fname, size, mode); st->st_atime = convert_timespec_to_time_t(access_time_ts); st->st_ctime = convert_timespec_to_time_t(change_time_ts); st->st_mtime = convert_timespec_to_time_t(write_time_ts); st->st_dev = srv->dev; TALLOC_FREE(frame); return 0; }
int SMBC_list_print_jobs_ctx(SMBCCTX *context, const char *fname, smbc_list_print_job_fn fn) { SMBCSRV *srv = NULL; char *server = NULL; char *share = NULL; char *user = NULL; char *password = NULL; char *workgroup = NULL; char *path = NULL; TALLOC_CTX *frame = talloc_stackframe(); if (!context || !context->internal->initialized) { errno = EINVAL; TALLOC_FREE(frame); return -1; } if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } DEBUG(4, ("smbc_list_print_jobs(%s)\n", fname)); if (SMBC_parse_path(frame, context, fname, &workgroup, &server, &share, &path, &user, &password, NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } if (!user || user[0] == (char)0) { user = talloc_strdup(frame, smbc_getUser(context)); if (!user) { errno = ENOMEM; TALLOC_FREE(frame); return -1; } } srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_server */ } if (cli_print_queue(srv->cli, (void (*)(struct print_job_info *))fn) < 0) { errno = SMBC_errno(context, srv->cli); TALLOC_FREE(frame); return -1; } TALLOC_FREE(frame); return 0; }