1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Alex Waugh <alex@alexwaugh.com> |
16 +----------------------------------------------------------------------+
17 */
18
19
20 #include "php.h"
21 #include "SAPI.h"
22 #include "php_main.h"
23 #include "php_variables.h"
24
25 #define WEBJAMES_PHP_ONLY
26 #include "php_webjames.h"
27
28 #include <unixlib/local.h>
29
30 #define WEBJAMES_SAPI_VERSION "1.0.2"
31
32 typedef struct {
33 struct connection *conn; /*structure holding all the details of the current request*/
34 int bodyread; /*amount of POST body read*/
35 closefn oldclose; /*function to call to close the connection*/
36 } php_webjames_globals;
37
38 static php_webjames_globals webjames_globals;
39
40 #define WG(v) (webjames_globals.v)
41
sapi_webjames_ub_write(const char * str,uint str_length TSRMLS_DC)42 static int sapi_webjames_ub_write(const char *str, uint str_length TSRMLS_DC)
43 /*unbuffered write - send data straight out to socket*/
44 {
45 int totalbytes = 0;
46
47 do {
48 int bytes;
49 bytes = webjames_writebuffer(WG(conn),str,str_length);
50 if (bytes<0) {
51 PG(connection_status) = PHP_CONNECTION_ABORTED;
52 if (!PG(ignore_user_abort)) {
53 zend_bailout();
54 }
55 return bytes;
56 }
57 str += bytes;
58 str_length -= bytes;
59 totalbytes += bytes;
60 } while (str_length);
61 return totalbytes;
62 }
63
sapi_webjames_send_header(sapi_header_struct * sapi_header,void * server_context TSRMLS_DC)64 static void sapi_webjames_send_header(sapi_header_struct *sapi_header, void *server_context TSRMLS_DC)
65 /*send an HTTP header*/
66 {
67 char *header = sapi_header->header;
68 int len = sapi_header->header_len;
69 if (WG(conn)->flags.outputheaders) {
70 while (sapi_header && len > 0) {
71 int bytes;
72 bytes = webjames_writebuffer(WG(conn), header, len);
73 if (bytes<0) {
74 PG(connection_status) = PHP_CONNECTION_ABORTED;
75 if (!PG(ignore_user_abort)) {
76 zend_bailout();
77 }
78 return;
79 }
80 header += bytes;
81 len -= bytes;
82 }
83 webjames_writestring(WG(conn), "\r\n");
84 }
85 }
86
sapi_webjames_read_post(char * buffer,uint count_bytes TSRMLS_DC)87 static int sapi_webjames_read_post(char *buffer, uint count_bytes TSRMLS_DC)
88 /*read some of the post data*/
89 {
90 if (WG(conn)->body==NULL) return 0;
91 if (count_bytes+WG(bodyread)>WG(conn)->bodysize) count_bytes=WG(conn)->bodysize-WG(bodyread);
92 memcpy(buffer, WG(conn)->body+WG(bodyread), count_bytes);
93 WG(bodyread)+=count_bytes;
94 return count_bytes;
95 }
96
sapi_webjames_read_cookies(TSRMLS_D)97 static char *sapi_webjames_read_cookies(TSRMLS_D)
98 {
99 return WG(conn)->cookie;
100 }
101
102 #define BUF_SIZE 512
103 #define ADD_STRING(name,string)\
104 php_register_variable(name, string, track_vars_array TSRMLS_CC)
105
106 #define ADD_NUM(name,field) {\
107 snprintf(buf, BUF_SIZE, "%d", WG(conn)->field);\
108 php_register_variable(name, buf, track_vars_array TSRMLS_CC);\
109 }
110
111 #define ADD_FIELD(name, field) \
112 if (WG(conn)->field) { \
113 php_register_variable(name, WG(conn)->field, track_vars_array TSRMLS_CC); \
114 }
115
sapi_webjames_register_variables(zval * track_vars_array TSRMLS_DC)116 static void sapi_webjames_register_variables(zval *track_vars_array TSRMLS_DC)
117 {
118 char buf[BUF_SIZE + 1];
119 char *docroot;
120
121 buf[BUF_SIZE] = '\0';
122
123 ADD_STRING("SERVER_SOFTWARE", configuration.server);
124 ADD_STRING("SERVER_NAME", configuration.serverip);
125 ADD_FIELD("SERVER_PROTOCOL", protocol);
126 ADD_NUM("SERVER_PORT", port);
127 ADD_STRING("SERVER_ADMIN",configuration.webmaster);
128 ADD_STRING("GATEWAY_INTERFACE", "CGI/1.1");
129
130 docroot = __unixify(WG(conn)->homedir,0,NULL,1024,0);
131 if (docroot) ADD_STRING("DOCUMENT_ROOT", docroot);
132
133 ADD_FIELD("REQUEST_METHOD", methodstr);
134 ADD_FIELD("REQUEST_URI", requesturi);
135 ADD_STRING("PATH_TRANSLATED", SG(request_info).path_translated);
136 ADD_FIELD("SCRIPT_NAME", uri);
137 ADD_FIELD("PHP_SELF", uri);
138 ADD_FIELD("QUERY_STRING", args);
139
140
141 snprintf(buf, BUF_SIZE, "%d.%d.%d.%d", WG(conn)->ipaddr[0], WG(conn)->ipaddr[1], WG(conn)->ipaddr[2], WG(conn)->ipaddr[3]);
142 ADD_STRING("REMOTE_ADDR", buf);
143 if (WG(conn)->dnsstatus == DNS_OK) ADD_FIELD("REMOTE_HOST", host);
144
145 if ((WG(conn)->method == METHOD_POST) || (WG(conn)->method == METHOD_PUT)) {
146 ADD_NUM("CONTENT_LENGTH", bodysize);
147 ADD_FIELD("CONTENT_TYPE", type);
148 }
149
150 if ((WG(conn)->method == METHOD_PUT) || (WG(conn)->method == METHOD_DELETE)) ADD_FIELD("ENTITY_PATH", requesturi);
151
152 if (WG(conn)->pwd) {
153 ADD_STRING("AUTH_TYPE", "basic");
154 ADD_FIELD("REMOTE_USER", authorization);
155 }
156
157 ADD_FIELD("HTTP_COOKIE", cookie);
158 ADD_FIELD("HTTP_USER_AGENT", useragent);
159 ADD_FIELD("HTTP_REFERER", referer);
160 ADD_FIELD("HTTP_ACCEPT", accept);
161 ADD_FIELD("HTTP_ACCEPT_LANGUAGE", acceptlanguage);
162 ADD_FIELD("HTTP_ACCEPT_CHARSET", acceptcharset);
163 ADD_FIELD("HTTP_ACCEPT_ENCODING", acceptencoding);
164 }
165
webjames_module_main(TSRMLS_D)166 static void webjames_module_main(TSRMLS_D)
167 {
168 zend_file_handle file_handle;
169 FILE *fp=NULL;
170 char *path;
171
172 /* Convert filename to Unix format*/
173 __riscosify_control|=__RISCOSIFY_STRICT_UNIX_SPECS;
174 path = __unixify(WG(conn)->filename,0,NULL,1024,0);
175 if (path) SG(request_info).path_translated = estrdup(path);
176
177 SG(request_info).query_string = WG(conn)->args;
178 SG(request_info).request_uri = WG(conn)->requesturi;
179 SG(request_info).request_method = WG(conn)->methodstr;
180 if (WG(conn)->method==METHOD_HEAD) {
181 SG(request_info).headers_only = 1;
182 } else {
183 SG(request_info).headers_only = 0;
184 }
185 SG(sapi_headers).http_response_code = 200;
186 SG(request_info).content_type = WG(conn)->type;
187 SG(request_info).content_length = WG(conn)->bodysize;
188
189 SG(request_info).auth_user = NULL;
190 SG(request_info).auth_password = NULL;
191 if (WG(conn)->authorization) {
192 char *colon=strchr(WG(conn)->authorization,':');
193 if (colon) {
194 SG(request_info).auth_user = emalloc(colon-WG(conn)->authorization+1);
195 if (SG(request_info).auth_user) {
196 memcpy(SG(request_info).auth_user,WG(conn)->authorization,colon-WG(conn)->authorization);
197 SG(request_info).auth_user[colon-WG(conn)->authorization]='\0';
198 SG(request_info).auth_password = estrdup(colon+1);
199 }
200 }
201 }
202
203 /*ensure that syslog calls get logged separately from WebJames' main log */
204 openlog("PHP",0,0);
205
206 file_handle.type = ZEND_HANDLE_FILENAME;
207 file_handle.filename = SG(request_info).path_translated;
208 file_handle.free_filename = 0;
209 file_handle.opened_path = NULL;
210
211 if (php_request_startup(TSRMLS_C) == FAILURE) {
212 return;
213 }
214
215 php_execute_script(&file_handle TSRMLS_CC);
216 php_request_shutdown(NULL);
217 }
218
webjames_php_close(struct connection * conn,int force)219 static void webjames_php_close(struct connection *conn, int force)
220 /*called by webjames if it wants to close the connection*/
221 {
222 TSRMLS_FETCH();
223
224 php_request_shutdown(NULL);
225 WG(oldclose)(conn,force);
226 }
227
webjames_php_request(struct connection * conn)228 void webjames_php_request(struct connection *conn)
229 /*called by WebJames to start handler*/
230 {
231 TSRMLS_FETCH();
232
233 WG(conn) = conn;
234 WG(bodyread) = 0;
235 WG(oldclose) = conn->close;
236 conn->close=webjames_php_close;
237
238 webjames_module_main(TSRMLS_C);
239
240 WG(oldclose)(WG(conn), 0);
241 }
242
php_info_webjames(ZEND_MODULE_INFO_FUNC_ARGS)243 static void php_info_webjames(ZEND_MODULE_INFO_FUNC_ARGS)
244 {
245 php_info_print_table_start();
246 php_info_print_table_row(2, "SAPI module version", WEBJAMES_SAPI_VERSION);
247 php_info_print_table_row(2, "WebJames version", WEBJAMES_VERSION " (" WEBJAMES_DATE ")");
248 php_info_print_table_end();
249 }
250
251 static zend_module_entry php_webjames_module = {
252 #if ZEND_MODULE_API_NO >= 20010901
253 STANDARD_MODULE_HEADER,
254 #endif
255 "WebJames",
256 NULL,
257 NULL,
258 NULL,
259 NULL,
260 NULL,
261 php_info_webjames,
262 #if ZEND_MODULE_API_NO >= 20010901
263 WEBJAMES_SAPI_VERSION,
264 #endif
265 STANDARD_MODULE_PROPERTIES
266 };
267
268
php_webjames_startup(sapi_module_struct * sapi_module)269 static int php_webjames_startup(sapi_module_struct *sapi_module)
270 {
271 if(php_module_startup(sapi_module, &php_webjames_module, 1) == FAILURE) {
272 return FAILURE;
273 } else {
274 return SUCCESS;
275 }
276 }
277
278 static sapi_module_struct sapi_module = {
279 "webjames", /* name */
280 "WebJames", /* pretty name */
281
282 php_webjames_startup, /* startup */
283 php_module_shutdown_wrapper, /* shutdown */
284
285 NULL, /* activate */
286 NULL, /* deactivate */
287
288 sapi_webjames_ub_write, /* unbuffered write */
289 NULL, /* flush */
290 NULL, /* get uid */
291 NULL, /* getenv */
292
293 php_error, /* error handler */
294
295 NULL, /* header handler */
296 NULL, /* send headers handler */
297 sapi_webjames_send_header, /* send header handler */
298 sapi_webjames_read_post, /* read POST data */
299 sapi_webjames_read_cookies, /* read Cookies */
300
301 sapi_webjames_register_variables, /* register server variables */
302 NULL, /* Log message */
303 NULL, /* Get request time */
304 NULL, /* Child terminate */
305
306 STANDARD_SAPI_MODULE_PROPERTIES
307 };
308
webjames_php_init(void)309 int webjames_php_init(void)
310 /*called when WebJames initialises*/
311 {
312 TSRMLS_FETCH();
313 if (strcmp(configuration.webjames_h_revision,WEBJAMES_H_REVISION)!=0) {
314 /*This file was compiled against a different revision of
315 webjames.h than webjames was, which could be bad news*/
316 webjames_writelog(0,"PHP module is compiled for WebJames (%s) and was linked with a different version (%s)",WEBJAMES_H_REVISION,configuration.webjames_h_revision);
317 return 0; /*failed to initialise*/
318 }
319 sapi_startup(&sapi_module);
320 sapi_module.startup(&sapi_module);
321 SG(server_context) = (void *) 1;
322 return 1; /*initialised correctly*/
323 }
324
webjames_php_shutdown(void)325 void webjames_php_shutdown(void)
326 /*called when WebJames is about to quit*/
327 {
328 sapi_module.shutdown(&sapi_module);
329 sapi_shutdown();
330 }
331