Annotation of parser3/src/targets/apache/mod_parser3.c, revision 1.22
1.1 moko 1: /** @file
1.2 moko 2: Parser: apache 1.3 and 2.2 module
1.1 moko 3:
1.20 moko 4: Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com)
1.1 moko 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
6: */
7:
8: #include "httpd.h"
9: #include "http_config.h"
10: #include "http_core.h"
11: #include "http_log.h"
12: #include "http_main.h"
13: #include "http_protocol.h"
14: #include "util_script.h"
1.2 moko 15:
16: #include "pa_httpd.h"
17:
1.22 ! moko 18: volatile const char * IDENT_MOD_PARSER3_C="$Id: mod_parser3.c,v 1.21 2021/01/20 16:15:29 moko Exp $" IDENT_PA_HTTPD_H;
1.12 moko 19:
1.3 moko 20: #define PARSER3_HANDLER "parser3-handler"
21:
1.2 moko 22: /*
23: * To Ease Compatibility
24: */
25: #ifdef STANDARD20_MODULE_STUFF
26:
27: #include "apr_strings.h"
1.14 moko 28: #include "ap_mpm.h"
1.2 moko 29:
30: #define ap_pcalloc apr_pcalloc
31: #define ap_pstrdup apr_pstrdup
32:
33: #define ap_table_get apr_table_get
34: #define ap_table_elts apr_table_elts
35: #define ap_table_addn apr_table_addn
36: #define ap_table_do apr_table_do
37:
38: #else
39:
1.1 moko 40: #include "ap_alloc.h"
41:
1.2 moko 42: #define apr_pool_t pool
43: #define apr_table_t table
44:
45: #endif /* STANDARD20_MODULE_STUFF */
1.1 moko 46:
47: /*
48: * Declare ourselves so the configuration routines can find and know us.
49: * We'll fill it in at the end of the module.
50: */
1.2 moko 51:
52: #ifdef STANDARD20_MODULE_STUFF
53: module AP_MODULE_DECLARE_DATA parser3_module;
1.14 moko 54: static int is_threaded = 0;
1.2 moko 55: #else
56: module MODULE_VAR_EXPORT parser3_module;
57: #endif
1.1 moko 58:
59: /*
60: * Locate our directory configuration record for the current request.
61: */
62: static Parser_module_config *our_dconfig(request_rec *r) {
1.5 moko 63: return (Parser_module_config *) ap_get_module_config(r->per_dir_config, &parser3_module);
1.1 moko 64: }
65:
1.9 moko 66: static const char* cmd_parser_config(cmd_parms *cmd, void *mconfig, const char *file_spec) {
1.1 moko 67: Parser_module_config *cfg = (Parser_module_config *) mconfig;
68: cfg->parser_config_filespec=file_spec;
69: return NULL;
70: }
71:
72: /*
1.2 moko 73: * Now let's declare routines for each of the callback phase in order.
1.1 moko 74: */
75:
1.3 moko 76: static int parser_handler(request_rec *r) {
77: #ifdef STANDARD20_MODULE_STUFF
78: if(strcmp(r->handler, PARSER3_HANDLER))
79: return DECLINED;
1.14 moko 80:
81: if(is_threaded){
1.22 ! moko 82: const char *message="Parser3 module requires 'a2enmod mpm_prefork'";
1.14 moko 83: r->status=HTTP_INTERNAL_SERVER_ERROR;
84: r->content_type="text/plain";
85: ap_rwrite(message, strlen(message), r);
86: return OK;
87: }
1.3 moko 88: #endif
1.13 moko 89:
90: // we setup module here to avoid GPF on init with php5-xsl installed
91: pa_setup_module_cells();
92:
1.16 moko 93: {
94: // converting to parser version
95: pa_request_rec pr={
96: r,
97: r->pool,
98: r->header_only,
99: &r->status,
100: r->method,
101: r->headers_out,
102: r->subprocess_env,
103: &r->content_type,
104: r->uri,
105: r->filename,
106: r->path_info,
107: r->args,
1.3 moko 108: #ifdef STANDARD20_MODULE_STUFF
1.16 moko 109: r->finfo.filetype == 0
1.3 moko 110: #else
1.16 moko 111: r->finfo.st_mode == 0
1.3 moko 112: #endif
1.16 moko 113: };
114: return pa_parser_handler(&pr, our_dconfig(r));
115: }
1.1 moko 116: }
117:
118: /*
1.4 moko 119: * This function is called during process initialisation.
1.1 moko 120: */
121:
1.3 moko 122: #ifdef STANDARD20_MODULE_STUFF
1.10 moko 123: static void parser_child_init(apr_pool_t *p, server_rec *s) {
1.3 moko 124: #else
1.2 moko 125: static void parser_module_init(server_rec *s, apr_pool_t *p) {
1.1 moko 126: #endif
1.13 moko 127: // ap_log_perror(APLOG_MARK, APLOG_EMERG, 0, p, "parser inited %d", getpid());
1.1 moko 128: }
129:
130: /*
1.2 moko 131: * All our process-death routine does is add its trace to the log.
132: */
133: static void parser_module_done(server_rec *s, apr_pool_t *p) {
1.1 moko 134: pa_destroy_module_cells();
135: }
136:
137: /*
1.2 moko 138: * This function gets called to create a per-directory configuration record.
1.1 moko 139: */
1.2 moko 140: static void *parser_create_dir_config(apr_pool_t *p, char *dirspec) {
1.6 moko 141: Parser_module_config *cfg= ap_pcalloc(p, sizeof(Parser_module_config));
142: cfg->parser_config_filespec=NULL;
143: return cfg;
1.1 moko 144: }
145:
146: /*
1.2 moko 147: * This function gets called to create a per-server configuration record.
1.1 moko 148: */
1.2 moko 149: static void *parser_create_server_config(apr_pool_t *p, server_rec *s) {
1.6 moko 150: Parser_module_config *cfg= ap_pcalloc(p, sizeof(Parser_module_config));
151: cfg->parser_config_filespec=NULL;
152: return cfg;
1.1 moko 153: }
154:
155: /*
156: * List of directives specific to our module.
157: */
158: static const command_rec parser_cmds[] =
159: {
1.11 moko 160: {"ParserConfig", (const char *(*)())cmd_parser_config, 0, OR_OPTIONS, TAKE1, "Parser config filespec"},
1.10 moko 161: {NULL}
1.1 moko 162: };
163:
164: /*--------------------------------------------------------------------------*/
165: /* Now the list of content handlers available from this module. */
166: /*--------------------------------------------------------------------------*/
1.2 moko 167:
168: #ifndef STANDARD20_MODULE_STUFF
1.1 moko 169: static const handler_rec parser_handlers[] =
170: {
1.3 moko 171: {PARSER3_HANDLER, parser_handler},
1.1 moko 172: {NULL}
173: };
1.2 moko 174: #endif
1.1 moko 175:
176: /*--------------------------------------------------------------------------*/
177: /* Finally, the list of callback routines and data structures that */
178: /* provide the hooks into our module from the other parts of the server. */
179: /*--------------------------------------------------------------------------*/
1.2 moko 180:
181: #ifdef STANDARD20_MODULE_STUFF
182:
1.1 moko 183: /*
1.2 moko 184: * register hooks.
1.1 moko 185: */
1.2 moko 186: static void parser_register_hooks(apr_pool_t* pool)
187: {
1.14 moko 188: int mpm_query_info;
189: is_threaded = ap_mpm_query(AP_MPMQ_IS_THREADED, &mpm_query_info) == APR_SUCCESS && mpm_query_info != AP_MPMQ_NOT_SUPPORTED;
1.2 moko 190: ap_hook_handler(parser_handler, NULL, NULL, APR_HOOK_MIDDLE);
1.10 moko 191: ap_hook_child_init(parser_child_init, NULL, NULL, APR_HOOK_MIDDLE);
1.2 moko 192: };
193:
194: module AP_MODULE_DECLARE_DATA parser3_module =
195: {
196: STANDARD20_MODULE_STUFF,
197: #else
1.1 moko 198: module MODULE_VAR_EXPORT parser3_module =
199: {
200: STANDARD_MODULE_STUFF,
1.5 moko 201: parser_module_init, /* module initializer */
1.2 moko 202: #endif
1.5 moko 203: parser_create_dir_config, /* per-directory config creator */
1.6 moko 204: 0, /* dir config merger */
1.5 moko 205: parser_create_server_config, /* server config creator */
1.6 moko 206: 0, /* server config merger */
1.5 moko 207: parser_cmds, /* command apr_table_t */
1.2 moko 208: #ifdef STANDARD20_MODULE_STUFF
1.5 moko 209: parser_register_hooks /* register hooks */
1.2 moko 210: #else
1.5 moko 211: parser_handlers, /* [9] list of handlers */
212: 0, /* [2] filename-to-URI translation */
213: 0, /* [5] check/validate user_id */
214: 0, /* [6] check user_id is valid *here* */
215: 0, /* [4] check access by host address */
216: 0, /* [7] MIME type checker/setter */
217: 0, /* [8] fixups */
218: 0, /* [10] logger */
219: 0, /* [3] header parser */
220: 0, /* process initializer */
221: parser_module_done /* process exit/cleanup */
1.2 moko 222: #endif // STANDARD20_MODULE_STUFF
1.1 moko 223: };
224:
225: #if defined(_MSC_VER)
1.15 moko 226: # define APACHE_WIN32_SRC "../../../../win32/apache22/"
1.1 moko 227: # ifdef _DEBUG
1.15 moko 228: # pragma comment(lib, APACHE_WIN32_SRC "srclib/apr/Debug/libapr-1.lib")
229: # pragma comment(lib, APACHE_WIN32_SRC "Debug/libhttpd.lib")
1.1 moko 230: # else
1.15 moko 231: # pragma comment(lib, APACHE_WIN32_SRC "srclib/apr/Release/libapr-1.lib")
232: # pragma comment(lib, APACHE_WIN32_SRC "Release/libhttpd.lib")
1.1 moko 233: # endif
234: #endif
235:
236:
237: // interface to C++
238:
1.2 moko 239: void pa_ap_log_rerror(const char *file, int line, int level, const pa_request_rec *s, const char *fmt, ...) {
1.1 moko 240: const char* str;
241: va_list l;
242: va_start(l, fmt);
243: str=va_arg(l, const char*);
244: va_end(l);
245:
1.17 moko 246: ap_log_rerror(file, line,
247: #if (AP_SERVER_MAJORVERSION_NUMBER == 2) && (AP_SERVER_MINORVERSION_NUMBER >= 4)
248: APLOG_MODULE_INDEX,
249: #endif
250: level,
1.2 moko 251: #ifdef STANDARD20_MODULE_STUFF
1.10 moko 252: 0,
1.2 moko 253: #endif
1.10 moko 254: (request_rec*)s->real_request_rec, "%s", str);
1.1 moko 255: }
256:
257:
1.2 moko 258: void pa_ap_log_error(const char *file, int line, int level, const pa_server_rec *s, const char *fmt, ...) {
1.1 moko 259: const char* str;
260: va_list l;
261: va_start(l, fmt);
262: str=va_arg(l, const char*);
263: va_end(l);
264:
1.17 moko 265: ap_log_error(file, line,
266: #if (AP_SERVER_MAJORVERSION_NUMBER == 2) && (AP_SERVER_MINORVERSION_NUMBER >= 4)
267: APLOG_MODULE_INDEX,
268: #endif
269: level,
1.2 moko 270: #ifdef STANDARD20_MODULE_STUFF
1.10 moko 271: 0,
1.2 moko 272: #endif
1.10 moko 273: (server_rec*)s, "%s", str);
1.1 moko 274: }
275:
276: // ap_alloc.h
277:
278: const char* pa_ap_table_get(const pa_table *t, const char *name) {
1.2 moko 279: return ap_table_get((const apr_table_t*)t, name);
1.1 moko 280: }
281: void pa_ap_table_addn(pa_table *t, const char *name, const char *val) {
1.2 moko 282: ap_table_addn((apr_table_t*)t, name, val);
1.1 moko 283: }
284:
285: int pa_ap_table_size(const pa_table *t) {
1.2 moko 286: return ap_table_elts((const apr_table_t*)t)->nelts;
1.1 moko 287: }
288:
1.2 moko 289: void pa_ap_table_do(int (*comp) (void *, const char *, const char *), void *rec, const pa_table *t, ...) {
1.14 moko 290: ap_table_do(comp, rec, (apr_table_t*)t, NULL);
1.1 moko 291: }
292:
293: char * pa_ap_pstrdup(pa_pool *p, const char *s) {
1.2 moko 294: return ap_pstrdup((apr_pool_t*)p, s);
1.1 moko 295: }
296:
297: // http_protocol.h
298:
299: int pa_ap_setup_client_block(pa_request_rec *r, int read_policy) {
300: return ap_setup_client_block((request_rec*)r->real_request_rec,
301: read_policy);
302: }
303: int pa_ap_should_client_block(pa_request_rec *r) {
304: return ap_should_client_block((request_rec*)r->real_request_rec);
305: }
306: long pa_ap_get_client_block(pa_request_rec *r, char *buffer, int bufsiz) {
307: return ap_get_client_block((request_rec*)r->real_request_rec,
308: buffer, bufsiz);
309: }
310: void pa_ap_send_http_header(pa_request_rec *r) {
1.2 moko 311: // Apache2 send headers before body automatically
312: #ifndef STANDARD20_MODULE_STUFF
1.1 moko 313: ap_send_http_header((request_rec*)r->real_request_rec);
1.2 moko 314: #endif
1.1 moko 315: }
316: int pa_ap_rwrite(const void *buf, int nbyte, pa_request_rec *r) {
317: return ap_rwrite(buf, nbyte, (request_rec*)r->real_request_rec);
318: }
319:
320: // http_main.h
321:
1.7 moko 322: void pa_ap_hard_timeout(const char *s, pa_request_rec *r) {
1.2 moko 323: // Apache 2 uses non-blocking I/O
324: #ifndef STANDARD20_MODULE_STUFF
1.11 moko 325: ap_hard_timeout((char *)s, (request_rec*)r->real_request_rec);
1.2 moko 326: #endif
1.1 moko 327: }
328: void pa_ap_reset_timeout(pa_request_rec *r) {
1.2 moko 329: #ifndef STANDARD20_MODULE_STUFF
1.1 moko 330: ap_reset_timeout((request_rec*)r->real_request_rec);
1.2 moko 331: #endif
1.1 moko 332: }
333: void pa_ap_kill_timeout(pa_request_rec *r) {
1.2 moko 334: #ifndef STANDARD20_MODULE_STUFF
1.1 moko 335: ap_kill_timeout((request_rec*)r->real_request_rec);
1.2 moko 336: #endif
1.1 moko 337: }
338:
339: // util_script.h
340:
341: void pa_ap_add_cgi_vars(pa_request_rec *r) {
342: ap_add_cgi_vars((request_rec*)r->real_request_rec);
343: }
344: void pa_ap_add_common_vars(pa_request_rec *r) {
345: ap_add_common_vars((request_rec*)r->real_request_rec);
346: }
347:
348: // signal.h
349:
350: void (*pa_signal (int sig, void (*disp)(int)))(int) {
1.15 moko 351: #ifndef _MSC_VER
1.1 moko 352: if(sig==PA_SIGPIPE && disp==PA_SIG_IGN)
353: return signal(SIGPIPE, SIG_IGN);
1.15 moko 354: #endif
1.1 moko 355: return 0;
356: }
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