src/lib/writer.c

104  * \param output
109 pgp_write(pgp_output_t *output, const void *src, unsigned len)
111 	return base_write(output, src, len);
118  * \param output
123 pgp_write_scalar(pgp_output_t *output, unsigned n, unsigned len)
129 		if (!base_write(output, &c, 1)) {
139  * \param output
144 pgp_write_mpi(pgp_output_t *output, const BIGNUM *bn)
155 	return pgp_write_scalar(output, bits, 2) &&
156 		pgp_write(output, buf, (bits + 7) / 8);
162  * \param output
167 pgp_write_ptag(pgp_output_t *output, pgp_content_enum tag)
172 	return base_write(output, &c, 1);
178  * \param output
183 pgp_write_length(pgp_output_t *output, unsigned len)
189 		return base_write(output, c, 1);
194 		return base_write(output, c, 2);
196 	return pgp_write_scalar(output, 0xff, 1) &&
197 		pgp_write_scalar(output, len, 4);
243  * Set a writer in output. There should not be another writer set.
245  * \param output The output structure
252 pgp_writer_set(pgp_output_t *output,
258 	if (output->writer.writer) {
261 		output->writer.writer = writer;
262 		output->writer.finaliser = finaliser;
263 		output->writer.destroyer = destroyer;
264 		output->writer.arg = arg;
271  * Push a writer in output. There must already be another writer set.
273  * \param output The output structure
280 pgp_writer_push(pgp_output_t *output,
290 	} else if (output->writer.writer == NULL) {
293 		*copy = output->writer;
294 		output->writer.next = copy;
296 		output->writer.writer = writer;
297 		output->writer.finaliser = finaliser;
298 		output->writer.destroyer = destroyer;
299 		output->writer.arg = arg;
304 pgp_writer_pop(pgp_output_t *output)
309 	if (output->writer.finaliser) {
312 	} else if (output->writer.next == NULL) {
316 		if (output->writer.destroyer) {
317 			output->writer.destroyer(&output->writer);
319 		next = output->writer.next;
320 		output->writer = *next;
328  * Close the writer currently set in output.
330  * \param output The output structure
333 pgp_writer_close(pgp_output_t *output)
337 	ret = pgp_writer_info_finalise(&output->errors, &output->writer);
338 	pgp_writer_info_delete(&output->writer);
496  * \param output
500 pgp_writer_push_clearsigned(pgp_output_t *output, pgp_create_sig_t *sig)
510 		PGP_ERROR_1(&output->errors, PGP_E_W, "%s", "Bad alloc");
513 	ret = (pgp_write(output, header, (unsigned)(sizeof(header) - 1)) &&
514 		pgp_write(output, hash, (unsigned)strlen(hash)) &&
515 		pgp_write(output, "\r\n\r\n", 4));
518 		PGP_ERROR_1(&output->errors, PGP_E_W, "%s",
526 	pgp_writer_push(output, dash_esc_writer, NULL,
678  * \param output
681 pgp_writer_use_armored_sig(pgp_output_t *output)
690 	pgp_writer_pop(output);
691 	if (pgp_write(output, header, (unsigned)(sizeof(header) - 1)) == 0) {
692 		PGP_ERROR_1(&output->errors, PGP_E_W, "%s",
697 		PGP_ERROR_1(&output->errors, PGP_E_W, "%s",
701 	pgp_writer_push(output, linebreak_writer, NULL,
706 		PGP_MEMORY_ERROR(&output->errors);
710 	pgp_writer_push(output, base64_writer, sig_finaliser,
762 pgp_writer_push_armor_msg(pgp_output_t *output)
768 	pgp_write(output, header, (unsigned)(sizeof(header) - 1));
769 	pgp_write(output, "\r\n", 2);
775 	pgp_writer_push(output, linebreak_writer, NULL,
784 	pgp_writer_push(output, base64_writer,
866 pgp_writer_push_armoured(pgp_output_t *output, pgp_armor_type_t type)
906 	pgp_write(output, header, hdrsize);
907 	pgp_writer_push(output, linebreak_writer, NULL,
916 	pgp_writer_push(output, base64_writer, finaliser,
992 pgp_push_enc_crypt(pgp_output_t *output, pgp_crypt_t *pgp_crypt)
1005 		pgp_writer_push(output, encrypt_writer, NULL,
1029 pgp_push_enc_se_ip(pgp_output_t *output, const pgp_key_t *pubkey, const char *cipher)
1046 	pgp_write_pk_sesskey(output, encrypted_pk_sesskey);
1068 	pgp_writer_push(output, encrypt_se_ip_writer, NULL,
1086 	pgp_output_t	*output;
1094 	pgp_setup_memory_write(&output, &localmem, bufsz);
1107 	pgp_write_se_ip_pktset(output, pgp_mem_data(zmem),
1138 pgp_write_se_ip_pktset(pgp_output_t *output,
1158 	if (!pgp_write_ptag(output, PGP_PTAG_CT_SE_IP_DATA) ||
1159 	    !pgp_write_length(output, (unsigned)(1 + bufsize)) ||
1160 	    !pgp_write_scalar(output, PGP_SE_IP_DATA_VERSION, 1)) {
1183 	pgp_push_enc_crypt(output, crypted);
1189 	if (!pgp_write(output, preamble, (unsigned)preamblesize) ||
1190 	    !pgp_write(output, data, len) ||
1191 	    !pgp_write(output, pgp_mem_data(mdc), (unsigned)pgp_mem_len(mdc))) {
1196 	pgp_writer_pop(output);
1242  * Set the writer in output to be a stock writer that writes to a file
1246  * \param output The output structure
1252 pgp_writer_set_fd(pgp_output_t *output, int fd)
1260 		pgp_writer_set(output, fd_writer, NULL, writer_fd_destroyer, writer);
1284  * \param output The output structure
1291 pgp_writer_set_memory(pgp_output_t *output, pgp_memory_t *mem)
1293 	pgp_writer_set(output, memory_writer, NULL, NULL, mem);
1346 \param output
1350 pgp_push_checksum_writer(pgp_output_t *output, pgp_seckey_t *seckey)
1375 		pgp_writer_push(output, skey_checksum_writer,
1411 \param output
1415 pgp_push_stream_enc_se_ip(pgp_output_t *output, const pgp_key_t *pubkey, const char *cipher)
1429 	pgp_write_pk_sesskey(output, encrypted_pk_sesskey);
1461 	pgp_writer_push(output,
1496 write_partial_len(pgp_output_t *output, unsigned len)
1508 	return pgp_write(output, &c, 1);
1512 stream_write_litdata(pgp_output_t *output,
1520 		write_partial_len(output, (unsigned)pdlen);
1521 		pgp_write(output, data, (unsigned)pdlen);
1529 stream_write_litdata_first(pgp_output_t *output,
1548 	pgp_write_ptag(output, PGP_PTAG_CT_LITDATA);
1549 	write_partial_len(output, (unsigned)sz_pd);
1550 	pgp_write_scalar(output, (unsigned)type, 1);
1551 	pgp_write_scalar(output, 0, 1);
1552 	pgp_write_scalar(output, 0, 4);
1553 	pgp_write(output, data, (unsigned)(sz_pd - 6));
1558 	return stream_write_litdata(output, data, (unsigned)sz_towrite);
1562 stream_write_litdata_last(pgp_output_t *output,
1566 	pgp_write_length(output, len);
1567 	return pgp_write(output, data, len);
1571 stream_write_se_ip(pgp_output_t *output,
1580 		write_partial_len(output, (unsigned)pdlen);
1582 		pgp_push_enc_crypt(output, se_ip->crypt);
1583 		pgp_write(output, data, (unsigned)pdlen);
1584 		pgp_writer_pop(output);
1595 stream_write_se_ip_first(pgp_output_t *output,
1621 	pgp_write_ptag(output, PGP_PTAG_CT_SE_IP_DATA);
1622 	write_partial_len(output, (unsigned)sz_pd);
1623 	pgp_write_scalar(output, PGP_SE_IP_DATA_VERSION, 1);
1624 	pgp_push_enc_crypt(output, se_ip->crypt);
1636 	pgp_write(output, preamble, (unsigned)preamblesize);
1638 	pgp_write(output, data, (unsigned)(sz_pd - preamblesize - 1));
1642 	pgp_writer_pop(output);
1643 	stream_write_se_ip(output, data, (unsigned)sz_towrite, se_ip);
1649 stream_write_se_ip_last(pgp_output_t *output,
1678 	pgp_write_length(output, (unsigned)bufsize);
1681 	pgp_push_enc_crypt(output, se_ip->crypt);
1683 	pgp_write(output, data, len);
1684 	pgp_write(output, pgp_mem_data(mdcmem), (unsigned)pgp_mem_len(mdcmem));
1686 	pgp_writer_pop(output);