ssize_t
SMBC_read_ctx(SMBCCTX *context,
SMBCFILE *file,
void *buf,
size_t count)
{
size_t ret;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
/*
* offset:
*
* Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
* appears to pass file->offset (which is type off_t) differently than
* a local variable of type off_t. Using local variable "offset" in
* the call to cli_read() instead of file->offset fixes a problem
* retrieving data at an offset greater than 4GB.
*/
off_t offset;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
offset = file->offset;
/* Check that the buffer exists ... */
if (buf == NULL) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
status = cli_read(file->targetcli, file->cli_fd, (char *)buf, offset,
count, &ret);
if (!NT_STATUS_IS_OK(status)) {
errno = SMBC_errno(context, file->targetcli);
TALLOC_FREE(frame);
return -1;
}
file->offset += ret;
DEBUG(4, (" --> %ld\n", (unsigned long)ret));
TALLOC_FREE(frame);
return ret; /* Success, ret bytes of data ... */
}
off_t
SMBC_splice_ctx(SMBCCTX *context,
SMBCFILE *srcfile,
SMBCFILE *dstfile,
off_t count,
int (*splice_cb)(off_t n, void *priv),
void *priv)
{
off_t written;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!srcfile ||
!SMBC_dlist_contains(context->internal->files, srcfile))
{
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
if (!dstfile ||
!SMBC_dlist_contains(context->internal->files, dstfile))
{
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
status = cli_splice(srcfile->targetcli, dstfile->targetcli,
srcfile->cli_fd, dstfile->cli_fd,
count, srcfile->offset, dstfile->offset, &written,
splice_cb, priv);
if (!NT_STATUS_IS_OK(status)) {
errno = SMBC_errno(context, srcfile->targetcli);
TALLOC_FREE(frame);
return -1;
}
srcfile->offset += written;
dstfile->offset += written;
TALLOC_FREE(frame);
return written;
}
int
SMBC_close_ctx(SMBCCTX *context,
SMBCFILE *file)
{
TALLOC_CTX *frame = talloc_stackframe();
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
/* IS a dir ... */
if (!file->file) {
TALLOC_FREE(frame);
return smbc_getFunctionClosedir(context)(context, file);
}
if (!NT_STATUS_IS_OK(cli_close(file->targetcli, file->cli_fd))) {
SMBCSRV *srv;
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->targetcli);
srv = file->srv;
DLIST_REMOVE(context->internal->files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
smbc_getFunctionRemoveUnusedServer(context)(context, srv);
TALLOC_FREE(frame);
return -1;
}
DLIST_REMOVE(context->internal->files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
TALLOC_FREE(frame);
return 0;
}
/*
* 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;
}
/*
* Set file info on an SMB server. Use setpathinfo call first. If that
* fails, use setattrE..
*
* Access and modification time parameters are always used and must be
* provided. Create time, if zero, will be determined from the actual create
* time of the file. If non-zero, the create time will be set as well.
*
* "mode" (attributes) parameter may be set to -1 if it is not to be set.
*/
bool
SMBC_setatr(SMBCCTX * context, SMBCSRV *srv, char *path,
time_t create_time,
time_t access_time,
time_t write_time,
time_t change_time,
uint16_t mode)
{
uint16_t fd;
int ret;
TALLOC_CTX *frame = talloc_stackframe();
/*
* First, try setpathinfo (if qpathinfo succeeded), for it is the
* modern function for "new code" to be using, and it works given a
* filename rather than requiring that the file be opened to have its
* attributes manipulated.
*/
if (srv->no_pathinfo ||
!NT_STATUS_IS_OK(cli_setpathinfo_basic(srv->cli, path,
create_time,
access_time,
write_time,
change_time,
mode))) {
/*
* setpathinfo is not supported; go to plan B.
*
* cli_setatr() does not work on win98, and it also doesn't
* support setting the access time (only the modification
* time), so in all cases, we open the specified file and use
* cli_setattrE() which should work on all OS versions, and
* supports both times.
*/
/* Don't try {q,set}pathinfo() again, with this server */
srv->no_pathinfo = True;
/* Open the file */
if (!NT_STATUS_IS_OK(cli_open(srv->cli, path, O_RDWR, DENY_NONE, &fd))) {
errno = SMBC_errno(context, srv->cli);
TALLOC_FREE(frame);
return -1;
}
/* Set the new attributes */
ret = NT_STATUS_IS_OK(cli_setattrE(srv->cli, fd,
change_time,
access_time,
write_time));
/* Close the file */
cli_close(srv->cli, fd);
/*
* Unfortunately, setattrE() doesn't have a provision for
* setting the access mode (attributes). We'll have to try
* cli_setatr() for that, and with only this parameter, it
* seems to work on win98.
*/
if (ret && mode != (uint16_t) -1) {
ret = NT_STATUS_IS_OK(cli_setatr(srv->cli, path, mode, 0));
}
if (! ret) {
errno = SMBC_errno(context, srv->cli);
TALLOC_FREE(frame);
return False;
}
}
TALLOC_FREE(frame);
return True;
}
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_close_ctx(SMBCCTX *context,
SMBCFILE *file)
{
SMBCSRV *srv;
char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
/* IS a dir ... */
if (!file->file) {
TALLOC_FREE(frame);
return smbc_getFunctionClosedir(context)(context, file);
}
/*d_printf(">>>close: parsing %s\n", file->fname);*/
if (SMBC_parse_path(frame,
context,
file->fname,
NULL,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>close: resolving %s\n", path);*/
status = cli_resolve_path(frame, "", context->internal->auth_info,
file->srv->cli, path,
&targetcli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>close: resolved path as %s\n", targetpath);*/
if (!NT_STATUS_IS_OK(cli_close(targetcli, 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, targetcli);
srv = file->srv;
DLIST_REMOVE(context->internal->files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
smbc_getFunctionRemoveUnusedServer(context)(context, srv);
TALLOC_FREE(frame);
return -1;
}
DLIST_REMOVE(context->internal->files, file);
SAFE_FREE(file->fname);
SAFE_FREE(file);
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_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;
}
ssize_t
SMBC_read_ctx(SMBCCTX *context,
SMBCFILE *file,
void *buf,
size_t count)
{
size_t ret;
char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
/*
* offset:
*
* Compiler bug (possibly) -- gcc (GCC) 3.3.5 (Debian 1:3.3.5-2) --
* appears to pass file->offset (which is type off_t) differently than
* a local variable of type off_t. Using local variable "offset" in
* the call to cli_read() instead of file->offset fixes a problem
* retrieving data at an offset greater than 4GB.
*/
off_t offset;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
DEBUG(4, ("smbc_read(%p, %d)\n", file, (int)count));
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
offset = file->offset;
/* Check that the buffer exists ... */
if (buf == NULL) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>read: parsing %s\n", file->fname);*/
if (SMBC_parse_path(frame,
context,
file->fname,
NULL,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>read: resolving %s\n", path);*/
status = cli_resolve_path(frame, "", context->internal->auth_info,
file->srv->cli, path,
&targetcli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
status = cli_read(targetcli, file->cli_fd, (char *)buf, offset,
count, &ret);
if (!NT_STATUS_IS_OK(status)) {
errno = SMBC_errno(context, targetcli);
TALLOC_FREE(frame);
return -1;
}
file->offset += ret;
DEBUG(4, (" --> %ld\n", (unsigned long)ret));
TALLOC_FREE(frame);
return ret; /* Success, ret bytes of data ... */
}
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;
}
ssize_t
SMBC_write_ctx(SMBCCTX *context,
SMBCFILE *file,
const void *buf,
size_t count)
{
int ret;
off_t offset;
char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
TALLOC_CTX *frame = talloc_stackframe();
/* First check all pointers before dereferencing them */
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
/* Check that the buffer exists ... */
if (buf == NULL) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
offset = file->offset; /* See "offset" comment in SMBC_read_ctx() */
/*d_printf(">>>write: parsing %s\n", file->fname);*/
if (SMBC_parse_path(frame,
context,
file->fname,
NULL,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>write: resolving %s\n", path);*/
if (!cli_resolve_path(frame, "", file->srv->cli, path,
&targetcli, &targetpath)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>write: resolved path as %s\n", targetpath);*/
ret = cli_write(targetcli, file->cli_fd,
0, (char *)buf, offset, count);
if (ret <= 0) {
errno = SMBC_errno(context, targetcli);
TALLOC_FREE(frame);
return -1;
}
file->offset += ret;
TALLOC_FREE(frame);
return ret; /* Success, 0 bytes of data ... */
}
/*
* 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,
const char *share,
char **pp_workgroup,
char **pp_username,
char **pp_password)
{
int flags;
struct sockaddr_storage ss;
struct cli_state *ipc_cli;
struct rpc_pipe_client *pipe_hnd;
NTSTATUS nt_status;
SMBCSRV *ipc_srv=NULL;
/*
* 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) {
/* 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;
}
zero_sockaddr(&ss);
nt_status = cli_full_connection(&ipc_cli,
global_myname(), server,
&ss, 0, "IPC$", "?????",
*pp_username,
*pp_workgroup,
*pp_password,
flags,
Undefined, NULL);
if (! NT_STATUS_IS_OK(nt_status)) {
DEBUG(1,("cli_full_connection failed! (%s)\n",
nt_errstr(nt_status)));
errno = ENOTSUP;
return NULL;
}
if (context->internal->smb_encryption_level) {
/* Attempt UNIX smb encryption. */
if (!NT_STATUS_IS_OK(cli_force_encryption(ipc_cli,
*pp_username,
*pp_password,
*pp_workgroup))) {
/*
* context->smb_encryption_level ==
* 1 means don't fail if encryption can't be
* negotiated, == 2 means fail if encryption
* can't be negotiated.
*/
DEBUG(4,(" SMB encrypt failed on IPC$\n"));
if (context->internal->smb_encryption_level == 2) {
cli_shutdown(ipc_cli);
errno = EPERM;
return NULL;
}
}
DEBUG(4,(" SMB encrypt ok on IPC$\n"));
}
ipc_srv = SMB_MALLOC_P(SMBCSRV);
if (!ipc_srv) {
errno = ENOMEM;
cli_shutdown(ipc_cli);
return NULL;
}
ZERO_STRUCTP(ipc_srv);
ipc_srv->cli = ipc_cli;
nt_status = cli_rpc_pipe_open_noauth(
ipc_srv->cli, &ndr_table_lsarpc.syntax_id, &pipe_hnd);
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(1, ("cli_nt_session_open fail!\n"));
errno = ENOTSUP;
cli_shutdown(ipc_srv->cli);
free(ipc_srv);
return NULL;
}
/*
* Some systems don't support
* SEC_RIGHTS_MAXIMUM_ALLOWED, but NT sends 0x2000000
* so we might as well do it too.
*/
nt_status = rpccli_lsa_open_policy(
pipe_hnd,
talloc_tos(),
True,
GENERIC_EXECUTE_ACCESS,
&ipc_srv->pol);
if (!NT_STATUS_IS_OK(nt_status)) {
errno = SMBC_errno(context, ipc_srv->cli);
cli_shutdown(ipc_srv->cli);
return NULL;
}
/* now add it to the cache (internal or external) */
errno = 0; /* let cache function set errno if it likes */
if (smbc_getFunctionAddCachedServer(context)(context, ipc_srv,
server,
"*IPC$",
*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;
}
SMBCSRV *
SMBC_server(TALLOC_CTX *ctx,
SMBCCTX *context,
bool connect_if_not_found,
const char *server,
const char *share,
char **pp_workgroup,
char **pp_username,
char **pp_password)
{
SMBCSRV *srv=NULL;
char *workgroup = NULL;
struct cli_state *c;
struct nmb_name called, calling;
const char *server_n = server;
struct sockaddr_storage ss;
int tried_reverse = 0;
int port_try_first;
int port_try_next;
int is_ipc = (share != NULL && strcmp(share, "IPC$") == 0);
uint32 fs_attrs = 0;
const char *username_used;
NTSTATUS status;
zero_sockaddr(&ss);
ZERO_STRUCT(c);
if (server[0] == 0) {
errno = EPERM;
return NULL;
}
/* Look for a cached connection */
srv = SMBC_find_server(ctx, context, server, share,
pp_workgroup, pp_username, pp_password);
/*
* If we found a connection and we're only allowed one share per
* server...
*/
if (srv &&
*share != '\0' &&
smbc_getOptionOneSharePerServer(context)) {
/*
* ... then if there's no current connection to the share,
* connect to it. SMBC_find_server(), or rather the function
* pointed to by context->get_cached_srv_fn which
* was called by SMBC_find_server(), will have issued a tree
* disconnect if the requested share is not the same as the
* one that was already connected.
*/
if (srv->cli->cnum == (uint16) -1) {
/* Ensure we have accurate auth info */
SMBC_call_auth_fn(ctx, context, server, share,
pp_workgroup,
pp_username,
pp_password);
if (!*pp_workgroup || !*pp_username || !*pp_password) {
errno = ENOMEM;
cli_shutdown(srv->cli);
srv->cli = NULL;
smbc_getFunctionRemoveCachedServer(context)(context,
srv);
return NULL;
}
/*
* We don't need to renegotiate encryption
* here as the encryption context is not per
* tid.
*/
if (!cli_send_tconX(srv->cli, share, "?????",
*pp_password,
strlen(*pp_password)+1)) {
errno = SMBC_errno(context, srv->cli);
cli_shutdown(srv->cli);
srv->cli = NULL;
smbc_getFunctionRemoveCachedServer(context)(context,
srv);
srv = NULL;
}
/* Determine if this share supports case sensitivity */
if (is_ipc) {
DEBUG(4,
("IPC$ so ignore case sensitivity\n"));
} else if (!cli_get_fs_attr_info(c, &fs_attrs)) {
DEBUG(4, ("Could not retrieve "
"case sensitivity flag: %s.\n",
cli_errstr(c)));
/*
* We can't determine the case sensitivity of
* the share. We have no choice but to use the
* user-specified case sensitivity setting.
*/
if (smbc_getOptionCaseSensitive(context)) {
cli_set_case_sensitive(c, True);
} else {
cli_set_case_sensitive(c, False);
}
} else {
DEBUG(4,
("Case sensitive: %s\n",
(fs_attrs & FILE_CASE_SENSITIVE_SEARCH
? "True"
: "False")));
cli_set_case_sensitive(
c,
(fs_attrs & FILE_CASE_SENSITIVE_SEARCH
? True
: False));
}
/*
* Regenerate the dev value since it's based on both
* server and share
*/
if (srv) {
srv->dev = (dev_t)(str_checksum(server) ^
str_checksum(share));
}
}
}
/* If we have a connection... */
if (srv) {
/* ... then we're done here. Give 'em what they came for. */
goto done;
}
/* If we're not asked to connect when a connection doesn't exist... */
if (! connect_if_not_found) {
/* ... then we're done here. */
return NULL;
}
if (!*pp_workgroup || !*pp_username || !*pp_password) {
errno = ENOMEM;
return NULL;
}
make_nmb_name(&calling, smbc_getNetbiosName(context), 0x0);
make_nmb_name(&called , server, 0x20);
DEBUG(4,("SMBC_server: server_n=[%s] server=[%s]\n", server_n, server));
DEBUG(4,(" -> server_n=[%s] server=[%s]\n", server_n, server));
again:
zero_sockaddr(&ss);
/* have to open a new connection */
if ((c = cli_initialise()) == NULL) {
errno = ENOMEM;
return NULL;
}
if (smbc_getOptionUseKerberos(context)) {
c->use_kerberos = True;
}
if (smbc_getOptionFallbackAfterKerberos(context)) {
c->fallback_after_kerberos = True;
}
c->timeout = smbc_getTimeout(context);
/*
* Force use of port 139 for first try if share is $IPC, empty, or
* null, so browse lists can work
*/
if (share == NULL || *share == '\0' || is_ipc) {
port_try_first = 139;
port_try_next = 445;
} else {
port_try_first = 445;
port_try_next = 139;
}
c->port = port_try_first;
status = cli_connect(c, server_n, &ss);
if (!NT_STATUS_IS_OK(status)) {
/* First connection attempt failed. Try alternate port. */
c->port = port_try_next;
status = cli_connect(c, server_n, &ss);
if (!NT_STATUS_IS_OK(status)) {
cli_shutdown(c);
errno = ETIMEDOUT;
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 sockaddr_storage rem_ss;
if (!interpret_string_addr(&rem_ss, server,
NI_NUMERICHOST)) {
DEBUG(4, ("Could not convert IP address "
"%s to struct sockaddr_storage\n",
server));
errno = ETIMEDOUT;
return NULL;
}
tried_reverse++; /* Yuck */
if (name_status_find("*", 0, 0,
&rem_ss, remote_name)) {
make_nmb_name(&called,
remote_name,
0x20);
goto again;
}
}
}
errno = ETIMEDOUT;
return NULL;
}
DEBUG(4,(" session request ok\n"));
if (!cli_negprot(c)) {
cli_shutdown(c);
errno = ETIMEDOUT;
return NULL;
}
username_used = *pp_username;
if (!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
*pp_password,
strlen(*pp_password),
*pp_password,
strlen(*pp_password),
*pp_workgroup))) {
/* Failed. Try an anonymous login, if allowed by flags. */
username_used = "";
if (smbc_getOptionNoAutoAnonymousLogin(context) ||
!NT_STATUS_IS_OK(cli_session_setup(c, username_used,
*pp_password, 1,
*pp_password, 0,
*pp_workgroup))) {
cli_shutdown(c);
errno = EPERM;
return NULL;
}
}
cli_init_creds(c, username_used, *pp_workgroup, *pp_password);
DEBUG(4,(" session setup ok\n"));
if (!cli_send_tconX(c, share, "?????",
*pp_password, strlen(*pp_password)+1)) {
errno = SMBC_errno(context, c);
cli_shutdown(c);
return NULL;
}
DEBUG(4,(" tconx ok\n"));
/* Determine if this share supports case sensitivity */
if (is_ipc) {
DEBUG(4, ("IPC$ so ignore case sensitivity\n"));
} else if (!cli_get_fs_attr_info(c, &fs_attrs)) {
DEBUG(4, ("Could not retrieve case sensitivity flag: %s.\n",
cli_errstr(c)));
/*
* We can't determine the case sensitivity of the share. We
* have no choice but to use the user-specified case
* sensitivity setting.
*/
if (smbc_getOptionCaseSensitive(context)) {
cli_set_case_sensitive(c, True);
} else {
cli_set_case_sensitive(c, False);
}
} else {
DEBUG(4, ("Case sensitive: %s\n",
(fs_attrs & FILE_CASE_SENSITIVE_SEARCH
? "True"
: "False")));
cli_set_case_sensitive(c,
(fs_attrs & FILE_CASE_SENSITIVE_SEARCH
? True
: False));
}
if (context->internal->smb_encryption_level) {
/* Attempt UNIX smb encryption. */
if (!NT_STATUS_IS_OK(cli_force_encryption(c,
username_used,
*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\n"));
if (context->internal->smb_encryption_level == 2) {
cli_shutdown(c);
errno = EPERM;
return NULL;
}
}
DEBUG(4,(" SMB encrypt ok\n"));
}
/*
* Ok, we have got a nice connection
* Let's allocate a server structure.
*/
srv = SMB_MALLOC_P(SMBCSRV);
if (!srv) {
errno = ENOMEM;
goto failed;
}
ZERO_STRUCTP(srv);
srv->cli = c;
srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
srv->no_pathinfo = False;
srv->no_pathinfo2 = False;
srv->no_nt_session = False;
/* now add it to the cache (internal or external) */
/* Let the cache function set errno if it wants to */
errno = 0;
if (smbc_getFunctionAddCachedServer(context)(context, srv,
server, share,
*pp_workgroup,
*pp_username)) {
int saved_errno = errno;
DEBUG(3, (" Failed to add server to cache\n"));
errno = saved_errno;
if (errno == 0) {
errno = ENOMEM;
}
goto failed;
}
DEBUG(2, ("Server connect ok: //%s/%s: %p\n",
server, share, srv));
DLIST_ADD(context->internal->servers, srv);
done:
if (!pp_workgroup || !*pp_workgroup || !**pp_workgroup) {
workgroup = talloc_strdup(ctx, smbc_getWorkgroup(context));
} else {
workgroup = *pp_workgroup;
}
if(!workgroup) {
return NULL;
}
/* set the credentials to make DFS work */
smbc_set_credentials_with_fallback(context,
workgroup,
*pp_username,
*pp_password);
return srv;
failed:
cli_shutdown(c);
if (!srv) {
return NULL;
}
SAFE_FREE(srv);
return NULL;
}
off_t
SMBC_splice_ctx(SMBCCTX *context,
SMBCFILE *srcfile,
SMBCFILE *dstfile,
off_t count,
int (*splice_cb)(off_t n, void *priv),
void *priv)
{
off_t written;
char *server = NULL, *share = NULL, *user = NULL, *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *srccli = NULL;
struct cli_state *dstcli = NULL;
uint16_t port = 0;
TALLOC_CTX *frame = talloc_stackframe();
NTSTATUS status;
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!srcfile ||
!SMBC_dlist_contains(context->internal->files, srcfile))
{
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
if (!dstfile ||
!SMBC_dlist_contains(context->internal->files, dstfile))
{
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
if (SMBC_parse_path(frame,
context,
srcfile->fname,
NULL,
&server,
&port,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
status = cli_resolve_path(frame, "", context->internal->auth_info,
srcfile->srv->cli, path,
&srccli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
if (SMBC_parse_path(frame,
context,
dstfile->fname,
NULL,
&server,
&port,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
status = cli_resolve_path(frame, "", context->internal->auth_info,
dstfile->srv->cli, path,
&dstcli, &targetpath);
if (!NT_STATUS_IS_OK(status)) {
d_printf("Could not resolve %s\n", path);
errno = ENOENT;
TALLOC_FREE(frame);
return -1;
}
status = cli_splice(srccli, dstcli,
srcfile->cli_fd, dstfile->cli_fd,
count, srcfile->offset, dstfile->offset, &written,
splice_cb, priv);
if (!NT_STATUS_IS_OK(status)) {
errno = SMBC_errno(context, srccli);
TALLOC_FREE(frame);
return -1;
}
srcfile->offset += written;
dstfile->offset += written;
TALLOC_FREE(frame);
return written;
}