Cross Reference: /dovecot/src/lib-smtp/smtp-parser.c

Lines Matching refs:parser
8 #include "smtp-parser.h"
120 void smtp_parser_init(struct smtp_parser *parser,
123 	parser->pool = pool;
124 	parser->begin = parser->cur = (unsigned char *)data;
125 	parser->end = (unsigned char *)data + strlen(data);
126 	parser->error = NULL;
134 smtp_parser_parse_ldh_str(struct smtp_parser *parser,
137 	const unsigned char *pbegin = parser->cur, *palnum;
145 	while (parser->cur < parser->end) {
146 		if (i_isalnum(*parser->cur))
147 			palnum = parser->cur;
148 		else if (*parser->cur != '-')
150 		parser->cur++;
152 	if (parser->cur == pbegin || palnum == NULL) {
153 		parser->cur = pbegin;
157 	parser->cur = palnum+1;
159 		str_append_n(out, pbegin, parser->cur - pbegin);
163 int smtp_parser_parse_domain(struct smtp_parser *parser,
179 	if (parser->cur >= parser->end ||
180 		(!i_isalnum(*parser->cur) && *parser->cur != '-' &&
181 			*parser->cur != '_'))
189 		if (parser->cur >= parser->end || *parser->cur == '.') {
190 			parser->error = "Empty sub-domain";
193 		if (!i_isalnum(*parser->cur) && *parser->cur != '-' &&
194 			*parser->cur != '_') {
195 			parser->error = "Invalid character in domain";
199 			str_append_c(value, *parser->cur);
200 		parser->cur++;
203 		while (parser->cur < parser->end) {
204 			if (!i_isalnum(*parser->cur) && *parser->cur != '-' &&
205 				*parser->cur != '_')
209 				str_append_c(value, *parser->cur);
210 			parser->cur++;
214 		if (parser->cur >= parser->end || *parser->cur != '.')
219 		parser->cur++;
228 smtp_parser_parse_snum(struct smtp_parser *parser, string_t *literal,
231 	const unsigned char *pbegin = parser->cur;
239 	if (*parser->cur < '0' || *parser->cur > '9')
245 			if ((uint8_t)(*parser->cur - '0') > ((uint8_t)-1 % 10))
248 		octet = octet * 10 + (*parser->cur - '0');
249 		parser->cur++;
250 	} while (*parser->cur >= '0' && *parser->cur <= '9');
253 		str_append_n(literal, pbegin, parser->cur - pbegin);
259 smtp_parser_parse_ipv4_address(struct smtp_parser *parser,
268 	if ((ret = smtp_parser_parse_snum(parser, literal, &octet)) <= 0)
272 	for (i = 0; i < 3 && parser->cur < parser->end; i++) {
273 		if (*parser->cur != '.')
278 		parser->cur++;
280 		if ((ret = smtp_parser_parse_snum(parser,
291 int smtp_parser_parse_address_literal(struct smtp_parser *parser,
317 	if (parser->cur >= parser->end || *parser->cur != '[')
319 	parser->cur++;
330 	if ((ret=smtp_parser_parse_ipv4_address(parser, value, &ip4)) != 0) {
332 			parser->error = "Invalid IPv4 address literal";
352 		if ((ret=smtp_parser_parse_ldh_str(parser, tagbuf)) <= 0 ||
353 			parser->cur >= parser->end || *parser->cur != ':') {
354 			parser->error = "Invalid address literal";
360 			parser->error = t_strdup_printf(
365 		parser->cur++;
370 		pblock = parser->cur;
371 		while (parser->cur < parser->end &&
372 			smtp_char_is_dcontent(*parser->cur))
373 			parser->cur++;
375 		if (parser->cur == pblock) {
376 			parser->error = "Empty address literal";
380 			str_append_n(value, pblock, parser->cur - pblock);
385 				parser->cur - pblock), &ip6)) <= 0) {
386 				parser->error = "Invalid IPv6 address literal";
397 	if (parser->cur >= parser->end) {
398 		parser->error = "Missing ']' at end of address literal";
400 	} else if (*parser->cur != ']') {
401 		parser->error = "Invalid character in address literal";
405 	parser->cur++;
413 int smtp_parser_parse_quoted_string(struct smtp_parser *parser,
432 	if (parser->cur >= parser->end || *parser->cur != '"')
434 	parser->cur++;
440 	while (parser->cur < parser->end) {
441 		pbegin = parser->cur;
442 		while (parser->cur < parser->end &&
443 			smtp_char_is_qtext(*parser->cur)) {
445 			parser->cur++;
449 			str_append_n(value, pbegin, parser->cur - pbegin);
451 		if (parser->cur >= parser->end || *parser->cur != '\\')
453 		parser->cur++;
456 		if (parser->cur >= parser->end ||
457 			!smtp_char_is_qpair(*parser->cur)) {
458 			parser->error =
464 			str_append_c(value, *parser->cur);
465 		parser->cur++;
469 	if (parser->cur >= parser->end)  {
470 		parser->error = "Premature end of quoted string";
473 	if (*parser->cur != '"') {
474 		parser->error = "Invalid character in quoted string";
477 	parser->cur++;
484 smtp_parser_skip_atom(struct smtp_parser *parser)
488 	if (parser->cur >= parser->end || !smtp_char_is_atext(*parser->cur))
490 	parser->cur++;
492 	while (parser->cur < parser->end && smtp_char_is_atext(*parser->cur))
493 		parser->cur++;
497 int smtp_parser_parse_atom(struct smtp_parser *parser,
500 	const unsigned char *pbegin = parser->cur;
503 	if ((ret=smtp_parser_skip_atom(parser)) <= 0)
507 		*value_r = t_strndup(pbegin, parser->cur - pbegin);
511 int smtp_parser_parse_string(struct smtp_parser *parser,
518 	if ((ret=smtp_parser_parse_quoted_string(parser, value_r)) != 0)
520 	return smtp_parser_parse_atom(parser, value_r);
543 int smtp_parser_parse_xtext(struct smtp_parser *parser,
554 	if (parser->cur >= parser->end ||
555 		(!smtp_char_is_xtext(*parser->cur) && *parser->cur != '+'))
558 	while (parser->cur < parser->end) {
559 		const unsigned char *pbegin = parser->cur;
561 		while (parser->cur < parser->end &&
562 			smtp_char_is_xtext(*parser->cur))
563 			parser->cur++;
566 			str_append_n(out, pbegin, parser->cur - pbegin);
568 		if (parser->cur >= parser->end || *parser->cur != '+')
570 		parser->cur++;
573 		if (smtp_parse_xtext_hexdigit(*parser->cur, &hexchar)) {
574 			parser->cur++;
575 			if (smtp_parse_xtext_hexdigit(*parser->cur, &hexchar)) {
576 				parser->cur++;
583 		parser->error = "Invalid hexchar after '+' in xtext";