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5999b776 | 1 | |
cb69b4c7 | 2 | /* |
eb139d08 | 3 | * $Id: HttpStatusLine.cc,v 1.12 1998/06/03 15:52:16 rousskov Exp $ |
cb69b4c7 | 4 | * |
123abbe1 | 5 | * DEBUG: section 57 HTTP Status-line |
cb69b4c7 | 6 | * AUTHOR: Alex Rousskov |
7 | * | |
8 | * SQUID Internet Object Cache http://squid.nlanr.net/Squid/ | |
9 | * -------------------------------------------------------- | |
10 | * | |
11 | * Squid is the result of efforts by numerous individuals from the | |
12 | * Internet community. Development is led by Duane Wessels of the | |
13 | * National Laboratory for Applied Network Research and funded by | |
14 | * the National Science Foundation. | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License as published by | |
18 | * the Free Software Foundation; either version 2 of the License, or | |
19 | * (at your option) any later version. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | * | |
30 | */ | |
31 | ||
32 | #include "squid.h" | |
33 | ||
34 | ||
35 | /* local constants */ | |
36 | const char *HttpStatusLineFormat = "HTTP/%3.1f %3d %s\r\n"; | |
37 | ||
38 | /* local routines */ | |
39 | static const char *httpStatusString(http_status status); | |
40 | ||
adba4a64 | 41 | |
42 | ||
cb69b4c7 | 43 | void |
2ac76861 | 44 | httpStatusLineInit(HttpStatusLine * sline) |
45 | { | |
cb69b4c7 | 46 | httpStatusLineSet(sline, 0.0, 0, NULL); |
47 | } | |
48 | ||
49 | void | |
2ac76861 | 50 | httpStatusLineClean(HttpStatusLine * sline) |
51 | { | |
cb69b4c7 | 52 | httpStatusLineSet(sline, 0.0, 500, NULL); |
53 | } | |
54 | ||
adba4a64 | 55 | /* set values */ |
2ac76861 | 56 | void |
57 | httpStatusLineSet(HttpStatusLine * sline, double version, http_status status, const char *reason) | |
58 | { | |
cb69b4c7 | 59 | assert(sline); |
60 | sline->version = version; | |
61 | sline->status = status; | |
62 | /* Note: no xstrdup for 'reason', assumes constant 'reasons' */ | |
63 | sline->reason = reason; | |
64 | } | |
65 | ||
eb139d08 | 66 | /* parse a 0-terminating buffer and fill internal structures; returns true on success */ |
cb69b4c7 | 67 | void |
2ac76861 | 68 | httpStatusLinePackInto(const HttpStatusLine * sline, Packer * p) |
cb69b4c7 | 69 | { |
70 | assert(sline && p); | |
399e85ea | 71 | debug(57, 9) ("packing sline %p using %p:\n", sline, p); |
72 | debug(57, 9) (HttpStatusLineFormat, sline->version, sline->status, | |
cb69b4c7 | 73 | sline->reason ? sline->reason : httpStatusString(sline->status)); |
74 | packerPrintf(p, HttpStatusLineFormat, | |
5071f997 | 75 | sline->version, sline->status, httpStatusLineReason(sline)); |
cb69b4c7 | 76 | } |
77 | ||
adba4a64 | 78 | /* pack fields using Packer */ |
cb69b4c7 | 79 | int |
2ac76861 | 80 | httpStatusLineParse(HttpStatusLine * sline, const char *start, const char *end) |
81 | { | |
cb69b4c7 | 82 | assert(sline); |
2ac76861 | 83 | sline->status = HTTP_INVALID_HEADER; /* Squid header parsing error */ |
cb69b4c7 | 84 | if (strncasecmp(start, "HTTP/", 5)) |
85 | return 0; | |
86 | start += 5; | |
87 | if (!isdigit(*start)) | |
88 | return 0; | |
89 | sline->version = atof(start); | |
90 | if (!(start = strchr(start, ' '))) | |
91 | return 0; | |
92 | sline->status = atoi(++start); | |
93 | /* we ignore 'reason-phrase' */ | |
2ac76861 | 94 | return 1; /* success */ |
cb69b4c7 | 95 | } |
96 | ||
5071f997 | 97 | const char * |
98 | httpStatusLineReason(const HttpStatusLine * sline) | |
99 | { | |
100 | assert(sline); | |
101 | return sline->reason ? sline->reason : httpStatusString(sline->status); | |
102 | } | |
103 | ||
cb69b4c7 | 104 | static const char * |
105 | httpStatusString(http_status status) | |
106 | { | |
107 | /* why not to return matching string instead of using "p" ? @?@ */ | |
108 | const char *p = NULL; | |
109 | switch (status) { | |
110 | case 0: | |
2ac76861 | 111 | p = "Init"; /* we init .status with code 0 */ |
cb69b4c7 | 112 | break; |
65d802fb | 113 | case HTTP_CONTINUE: |
cb69b4c7 | 114 | p = "Continue"; |
115 | break; | |
65d802fb | 116 | case HTTP_SWITCHING_PROTOCOLS: |
cb69b4c7 | 117 | p = "Switching Protocols"; |
118 | break; | |
65d802fb | 119 | case HTTP_OK: |
cb69b4c7 | 120 | p = "OK"; |
121 | break; | |
65d802fb | 122 | case HTTP_CREATED: |
cb69b4c7 | 123 | p = "Created"; |
124 | break; | |
65d802fb | 125 | case HTTP_ACCEPTED: |
cb69b4c7 | 126 | p = "Accepted"; |
127 | break; | |
65d802fb | 128 | case HTTP_NON_AUTHORITATIVE_INFORMATION: |
cb69b4c7 | 129 | p = "Non-Authoritative Information"; |
130 | break; | |
65d802fb | 131 | case HTTP_NO_CONTENT: |
cb69b4c7 | 132 | p = "No Content"; |
133 | break; | |
65d802fb | 134 | case HTTP_RESET_CONTENT: |
cb69b4c7 | 135 | p = "Reset Content"; |
136 | break; | |
65d802fb | 137 | case HTTP_PARTIAL_CONTENT: |
cb69b4c7 | 138 | p = "Partial Content"; |
139 | break; | |
65d802fb | 140 | case HTTP_MULTIPLE_CHOICES: |
cb69b4c7 | 141 | p = "Multiple Choices"; |
142 | break; | |
65d802fb | 143 | case HTTP_MOVED_PERMANENTLY: |
cb69b4c7 | 144 | p = "Moved Permanently"; |
145 | break; | |
65d802fb | 146 | case HTTP_MOVED_TEMPORARILY: |
cb69b4c7 | 147 | p = "Moved Temporarily"; |
148 | break; | |
65d802fb | 149 | case HTTP_SEE_OTHER: |
cb69b4c7 | 150 | p = "See Other"; |
151 | break; | |
65d802fb | 152 | case HTTP_NOT_MODIFIED: |
cb69b4c7 | 153 | p = "Not Modified"; |
154 | break; | |
65d802fb | 155 | case HTTP_USE_PROXY: |
cb69b4c7 | 156 | p = "Use Proxy"; |
157 | break; | |
65d802fb | 158 | case HTTP_BAD_REQUEST: |
cb69b4c7 | 159 | p = "Bad Request"; |
160 | break; | |
65d802fb | 161 | case HTTP_UNAUTHORIZED: |
cb69b4c7 | 162 | p = "Unauthorized"; |
163 | break; | |
65d802fb | 164 | case HTTP_PAYMENT_REQUIRED: |
cb69b4c7 | 165 | p = "Payment Required"; |
166 | break; | |
65d802fb | 167 | case HTTP_FORBIDDEN: |
cb69b4c7 | 168 | p = "Forbidden"; |
169 | break; | |
65d802fb | 170 | case HTTP_NOT_FOUND: |
cb69b4c7 | 171 | p = "Not Found"; |
172 | break; | |
65d802fb | 173 | case HTTP_METHOD_NOT_ALLOWED: |
cb69b4c7 | 174 | p = "Method Not Allowed"; |
175 | break; | |
65d802fb | 176 | case HTTP_NOT_ACCEPTABLE: |
cb69b4c7 | 177 | p = "Not Acceptable"; |
178 | break; | |
65d802fb | 179 | case HTTP_PROXY_AUTHENTICATION_REQUIRED: |
cb69b4c7 | 180 | p = "Proxy Authentication Required"; |
181 | break; | |
65d802fb | 182 | case HTTP_REQUEST_TIMEOUT: |
cb69b4c7 | 183 | p = "Request Time-out"; |
184 | break; | |
65d802fb | 185 | case HTTP_CONFLICT: |
cb69b4c7 | 186 | p = "Conflict"; |
187 | break; | |
65d802fb | 188 | case HTTP_GONE: |
cb69b4c7 | 189 | p = "Gone"; |
190 | break; | |
65d802fb | 191 | case HTTP_LENGTH_REQUIRED: |
cb69b4c7 | 192 | p = "Length Required"; |
193 | break; | |
65d802fb | 194 | case HTTP_PRECONDITION_FAILED: |
cb69b4c7 | 195 | p = "Precondition Failed"; |
196 | break; | |
65d802fb | 197 | case HTTP_REQUEST_ENTITY_TOO_LARGE: |
cb69b4c7 | 198 | p = "Request Entity Too Large"; |
199 | break; | |
65d802fb | 200 | case HTTP_REQUEST_URI_TOO_LARGE: |
cb69b4c7 | 201 | p = "Request-URI Too Large"; |
202 | break; | |
65d802fb | 203 | case HTTP_UNSUPPORTED_MEDIA_TYPE: |
cb69b4c7 | 204 | p = "Unsupported Media Type"; |
205 | break; | |
65d802fb | 206 | case HTTP_INTERNAL_SERVER_ERROR: |
cb69b4c7 | 207 | p = "Internal Server Error"; |
208 | break; | |
65d802fb | 209 | case HTTP_NOT_IMPLEMENTED: |
cb69b4c7 | 210 | p = "Not Implemented"; |
211 | break; | |
65d802fb | 212 | case HTTP_BAD_GATEWAY: |
cb69b4c7 | 213 | p = "Bad Gateway"; |
214 | break; | |
65d802fb | 215 | case HTTP_SERVICE_UNAVAILABLE: |
cb69b4c7 | 216 | p = "Service Unavailable"; |
217 | break; | |
65d802fb | 218 | case HTTP_GATEWAY_TIMEOUT: |
cb69b4c7 | 219 | p = "Gateway Time-out"; |
220 | break; | |
65d802fb | 221 | case HTTP_HTTP_VERSION_NOT_SUPPORTED: |
cb69b4c7 | 222 | p = "HTTP Version not supported"; |
223 | break; | |
224 | default: | |
225 | p = "Unknown"; | |
20198c7a | 226 | debug(57, 0) ("Unknown HTTP status code: %d\n", status); |
cb69b4c7 | 227 | break; |
228 | } | |
229 | return p; | |
230 | } |