/[jscoverage]/trunk/http-url.c
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Contents of /trunk/http-url.c

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Revision 116 - (show annotations)
Sat May 31 21:42:36 2008 UTC (11 years, 1 month ago) by siliconforks
File MIME type: text/plain
File size: 3003 byte(s)
Add jscoverage-server.

1 /*
2 http-url.c - URL parsing routines
3 Copyright (C) 2008 siliconforks.com
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #include <config.h>
21
22 #include "http-server.h"
23
24 #include <string.h>
25
26 #include "util.h"
27
28 int URL_parse_host_and_port(const char * s, char ** host, uint16_t * port) {
29 char * colon = strchr(s, ':');
30 if (colon == NULL) {
31 *host = xstrdup(s);
32 *port = 80;
33 }
34 else {
35 if (*(colon + 1) == '\0') {
36 *port = 80;
37 }
38 else {
39 char * end;
40 unsigned long p = strtoul(colon + 1, &end, 10);
41 if (*end == '\0') {
42 if (p > UINT16_MAX) {
43 return -1;
44 }
45 else {
46 *port = p;
47 }
48 }
49 else {
50 return -1;
51 }
52 }
53 *host = xstrndup(s, colon - s);
54 }
55 return 0;
56 }
57
58 int URL_parse_abs_path_and_query(const char * s, char ** abs_path, char ** query) {
59 if (*s == '\0') {
60 *abs_path = xstrdup("/");
61 *query = NULL;
62 }
63 else if (*s == '?') {
64 *abs_path = xstrdup("/");
65 *query = xstrdup(s + 1);
66 }
67 else if (*s == '/') {
68 char * question = strchr(s, '?');
69 if (question == NULL) {
70 *abs_path = xstrdup(s);
71 *query = NULL;
72 }
73 else {
74 *abs_path = xstrndup(s, question - s);
75 *query = xstrdup(question + 1);
76 }
77 }
78 else {
79 return -1;
80 }
81 return 0;
82 }
83
84
85 int URL_parse(const char * url, char ** host, uint16_t * port, char ** abs_path, char ** query) {
86 int result;
87 if (strncasecmp(url, "http://", 7) == 0) {
88 /* absoluteURI */
89
90 /* advance past the http:// */
91 const char * authority_start = url + 7;
92
93 /* look for a slash or question mark */
94 const char * p;
95 for (p = authority_start; *p != '/' && *p != '?' && *p != '\0'; p++) {
96 ;
97 }
98
99 char * host_and_port = xstrndup(authority_start, p - authority_start);
100 result = URL_parse_host_and_port(host_and_port, host, port);
101 free(host_and_port);
102 if (result != 0) {
103 return result;
104 }
105
106 result = URL_parse_abs_path_and_query(p, abs_path, query);
107 if (result != 0) {
108 free(*host);
109 *host = NULL;
110 return result;
111 }
112 }
113 else {
114 /* abs_path */
115 *host = NULL;
116 *port = 80;
117 result = URL_parse_abs_path_and_query(url, abs_path, query);
118 if (result != 0) {
119 return result;
120 }
121 }
122 result = 0;
123 return result;
124 }

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