10  * This software is licensed as described in the file COPYING, which
15  * copies of the Software, and permit persons to whom the Software is
18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * SPDX-License-Identifier: curl
33 #include "urlapi-int.h"
46   parser->max_line_len = max_line_len;  in Curl_h1_req_parse_init()
47   Curl_dyn_init(&parser->scratch, max_line_len);  in Curl_h1_req_parse_init()
53     Curl_http_req_free(parser->req);  in Curl_h1_req_parse_free()
54     Curl_dyn_free(&parser->scratch);  in Curl_h1_req_parse_free()
55     parser->req = NULL;  in Curl_h1_req_parse_free()
56     parser->done = FALSE;  in Curl_h1_req_parse_free()
62   DEBUGASSERT(parser->line);  in trim_line()
63   if(parser->line_len) {  in trim_line()
64     if(parser->line[parser->line_len - 1] == '\n')  in trim_line()
65       --parser->line_len;  in trim_line()
66     if(parser->line_len) {  in trim_line()
67       if(parser->line[parser->line_len - 1] == '\r')  in trim_line()
68         --parser->line_len;  in trim_line()
78   if(parser->line_len > parser->max_line_len) {  in trim_line()
90   DEBUGASSERT(!parser->line);  in detect_line()
94     return -1;  in detect_line()
96   parser->line = buf;  in detect_line()
97   parser->line_len = line_end - buf + 1;  in detect_line()
99   return (ssize_t)parser->line_len;  in detect_line()
108   if(parser->line) {  in next_line()
109     parser->line = NULL;  in next_line()
110     parser->line_len = 0;  in next_line()
111     Curl_dyn_reset(&parser->scratch);  in next_line()
116     if(Curl_dyn_len(&parser->scratch)) {  in next_line()
118       *err = Curl_dyn_addn(&parser->scratch, parser->line, parser->line_len);  in next_line()
120         return -1;  in next_line()
121       parser->line = Curl_dyn_ptr(&parser->scratch);  in next_line()
122       parser->line_len = Curl_dyn_len(&parser->scratch);  in next_line()
126       return -1;  in next_line()
130     *err = Curl_dyn_addn(&parser->scratch, (const unsigned char *)buf, buflen);  in next_line()
131     nread = (*err)? -1 : (ssize_t)buflen;  in next_line()
139   const char  *p, *m, *target, *hv, *scheme, *authority, *path;  in start_req()  local
145   DEBUGASSERT(!parser->req);  in start_req()
147   p = memchr(parser->line, ' ', parser->line_len);  in start_req()
148   if(!p || p == parser->line)  in start_req()
151   m = parser->line;  in start_req()
152   m_len = p - parser->line;  in start_req()
158   for(i = parser->line_len; i > m_len; --i) {  in start_req()
159     if(parser->line[i] == ' ') {  in start_req()
160       hv = &parser->line[i + 1];  in start_req()
161       hv_len = parser->line_len - i;  in start_req()
162       target_len = (hv - target) - 1;  in start_req()
171    + do that when STRICT option is supplied. */  in start_req()
175    * origin-form:     path + optional query  in start_req()
176    * absolute-form:   absolute URI  in start_req()
177    * authority-form:  host+port for CONNECT  in start_req()
178    * asterisk-form:   '*' for OPTIONS  in start_req()
180    * from TARGET, we derive `scheme` `authority` `path`  in start_req()
181    * origin-form            --        --          TARGET  in start_req()
182    * absolute-form          URL*      URL*        URL*  in start_req()
183    * authority-form         --        TARGET      --  in start_req()
184    * asterisk-form          --        --          TARGET  in start_req()
186   scheme = authority = path = NULL;  in start_req()
190     /* asterisk-form */  in start_req()
191     path = target;  in start_req()
195     /* authority-form */  in start_req()
200     /* origin-form */  in start_req()
201     path = target;  in start_req()
205     /* origin-form OR absolute-form */  in start_req()
209     /* default, unless we see an absolute URL */  in start_req()
210     path = target;  in start_req()
213     /* URL parser wants 0-termination */  in start_req()
218     /* See if treating TARGET as an absolute URL makes sense */  in start_req()
239       /* we should have an absolute URL or have seen `/` earlier */  in start_req()
245     result = Curl_http_req_make2(&parser->req, m, m_len, url, scheme_default);  in start_req()
252     result = Curl_http_req_make(&parser->req, m, m_len, scheme, scheme_len,  in start_req()
253                                 authority, authority_len, path, path_len);  in start_req()
269   while(!parser->done) {  in Curl_h1_req_parse_read()
273         nread = -1;  in Curl_h1_req_parse_read()
282     buflen -= (size_t)n;  in Curl_h1_req_parse_read()
284     if(!parser->line) {  in Curl_h1_req_parse_read()
289     else if(!parser->req) {  in Curl_h1_req_parse_read()
292         nread = -1;  in Curl_h1_req_parse_read()
296     else if(parser->line_len == 0) {  in Curl_h1_req_parse_read()
298       if(!parser->req) {  in Curl_h1_req_parse_read()
300         nread = -1;  in Curl_h1_req_parse_read()
303       parser->done = TRUE;  in Curl_h1_req_parse_read()
304       Curl_dyn_reset(&parser->scratch);  in Curl_h1_req_parse_read()
308       *err = Curl_dynhds_h1_add_line(&parser->req->headers,  in Curl_h1_req_parse_read()
309                                      parser->line, parser->line_len);  in Curl_h1_req_parse_read()
311         nread = -1;  in Curl_h1_req_parse_read()
327                          req->method,  in Curl_h1_req_write_head()
328                          req->scheme? req->scheme : "",  in Curl_h1_req_write_head()
329                          req->scheme? "://" : "",  in Curl_h1_req_write_head()
330                          req->authority? req->authority : "",  in Curl_h1_req_write_head()
331                          req->path? req->path : "",  in Curl_h1_req_write_head()
336   result = Curl_dynhds_h1_dprint(&req->headers, dbuf);  in Curl_h1_req_write_head()