Exemple #1
0
size_t clistr_push_fn(struct cli_state *cli,
			void *dest,
			const char *src,
			int dest_len,
			int flags)
{
	size_t buf_used = PTR_DIFF(dest, cli->outbuf);
	if (dest_len == -1) {
		if (((ptrdiff_t)dest < (ptrdiff_t)cli->outbuf) || (buf_used > cli->bufsize)) {
			DEBUG(0, ("Pushing string of 'unlimited' length into non-SMB buffer!\n"));
			return push_string_base(cli->outbuf,
						(uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0),
						dest, src, -1, flags);
		}
		return push_string_base(cli->outbuf,
					(uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0),
					dest, src, cli->bufsize - buf_used,
					flags);
	}

	/* 'normal' push into size-specified buffer */
	return push_string_base(cli->outbuf,
				(uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0),
				dest, src, dest_len, flags);
}
Exemple #2
0
size_t srvstr_push_fn(const char *base_ptr, uint16 smb_flags2, void *dest,
		      const char *src, int dest_len, int flags)
{
	if (dest_len < 0) {
		return 0;
	}

	/* 'normal' push into size-specified buffer */
	return push_string_base(base_ptr, smb_flags2, dest, src,
				dest_len, flags);
}
NTSTATUS srvstr_push_fn(const char *base_ptr, uint16 smb_flags2, void *dest,
		      const char *src, int dest_len, int flags, size_t *ret_len)
{
	size_t len;
	int saved_errno;
	NTSTATUS status;

	if (dest_len < 0) {
		return NT_STATUS_INVALID_PARAMETER;
	}

	saved_errno = errno;
	errno = 0;

	/* 'normal' push into size-specified buffer */
	len = push_string_base(base_ptr, smb_flags2, dest, src,
				dest_len, flags);

	if (errno != 0) {
		/*
		 * Special case E2BIG, EILSEQ, EINVAL
		 * as they mean conversion errors here,
		 * but we don't generically map them as
		 * they can mean different things in
		 * generic filesystem calls (such as
		 * read xattrs).
		 */
		if (errno == E2BIG || errno == EILSEQ || errno == EINVAL) {
			status = NT_STATUS_ILLEGAL_CHARACTER;
		} else {
			status = map_nt_error_from_unix_common(errno);
			/*
			 * Paranoia - Filter out STATUS_MORE_ENTRIES.
			 * I don't think we can get this but it has a
			 * specific meaning to the client.
			 */
			if (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) {
				status = NT_STATUS_UNSUCCESSFUL;
			}
		}
		DEBUG(10,("character conversion failure "
			"on string (%s) (%s)\n",
			src, strerror(errno)));
	} else {
		/* Success - restore untouched errno. */
		errno = saved_errno;
		*ret_len = len;
		status = NT_STATUS_OK;
	}
	return status;
}