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

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Revision 116 - (hide annotations)
Sat May 31 21:42:36 2008 UTC (11 years, 5 months ago) by siliconforks
File MIME type: text/plain
File size: 3003 byte(s)
Add jscoverage-server.

1 siliconforks 116 /*
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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