1 |
nmav |
1.1 |
/* |
2 |
nmav |
1.15 |
* Hydra, an http server |
3 |
nmav |
1.1 |
* Copyright (C) 1995 Paul Phillips <paulp@go2net.com> |
4 |
|
|
* Some changes Copyright (C) 1996,97 Larry Doolittle <ldoolitt@boa.org> |
5 |
|
|
* Some changes Copyright (C) 1996-2002 Jon Nelson <jnelson@boa.org> |
6 |
|
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* Portions Copyright (C) 2002 Nikos Mavroyanopoulos <nmav@gnutls.org> |
7 |
|
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* |
8 |
|
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* This program is free software; you can redistribute it and/or modify |
9 |
|
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* it under the terms of the GNU General Public License as published by |
10 |
|
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* the Free Software Foundation; either version 1, or (at your option) |
11 |
|
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* any later version. |
12 |
|
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* |
13 |
|
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* This program is distributed in the hope that it will be useful, |
14 |
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
|
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* GNU General Public License for more details. |
17 |
|
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* |
18 |
|
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* You should have received a copy of the GNU General Public License |
19 |
|
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* along with this program; if not, write to the Free Software |
20 |
|
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
|
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* |
22 |
|
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*/ |
23 |
|
|
|
24 |
nmav |
1.35 |
/* $Id: request.c,v 1.34 2003/01/26 11:25:39 nmav Exp $*/ |
25 |
nmav |
1.1 |
|
26 |
|
|
#include "boa.h" |
27 |
nmav |
1.33 |
#include <stddef.h> /* for offsetof */ |
28 |
nmav |
1.1 |
#include "ssl.h" |
29 |
|
|
#include "socket.h" |
30 |
|
|
|
31 |
|
|
extern int boa_ssl; |
32 |
nmav |
1.33 |
int system_bufsize = 0; /* Default size of SNDBUF given by system */ |
33 |
nmav |
1.1 |
|
34 |
nmav |
1.33 |
inline static void init_vhost_stuff(request * req, char *value); |
35 |
nmav |
1.32 |
|
36 |
nmav |
1.1 |
/* function prototypes located in this file only */ |
37 |
nmav |
1.33 |
static void free_request(server_params * params, request ** list_head_addr, |
38 |
|
|
request * req); |
39 |
nmav |
1.1 |
|
40 |
|
|
/* |
41 |
|
|
* Name: new_request |
42 |
|
|
* Description: Obtains a request struct off the free list, or if the |
43 |
|
|
* free list is empty, allocates memory |
44 |
|
|
* |
45 |
|
|
* Return value: pointer to initialized request |
46 |
|
|
*/ |
47 |
|
|
|
48 |
nmav |
1.33 |
request *new_request(server_params * params) |
49 |
nmav |
1.1 |
{ |
50 |
nmav |
1.33 |
request *req; |
51 |
nmav |
1.1 |
|
52 |
nmav |
1.33 |
if (params->request_free) { |
53 |
|
|
req = params->request_free; /* first on free list */ |
54 |
|
|
dequeue(¶ms->request_free, params->request_free); /* dequeue the head */ |
55 |
|
|
} else { |
56 |
|
|
req = (request *) malloc(sizeof(request)); |
57 |
|
|
if (!req) { |
58 |
|
|
log_error_time(); |
59 |
|
|
perror("malloc for new request"); |
60 |
|
|
return NULL; |
61 |
|
|
} |
62 |
|
|
} |
63 |
|
|
memset(req, 0, offsetof(request, buffer) + 1); |
64 |
|
|
req->data_fd = -1; |
65 |
|
|
req->post_data_fd.fds[0] = req->post_data_fd.fds[1] = -1; |
66 |
nmav |
1.1 |
|
67 |
nmav |
1.33 |
return req; |
68 |
nmav |
1.1 |
} |
69 |
|
|
|
70 |
|
|
#ifdef ENABLE_SMP |
71 |
nmav |
1.33 |
static pthread_mutex_t accept_mutex[2] = { |
72 |
|
|
PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER |
73 |
|
|
}; |
74 |
nmav |
1.1 |
#endif |
75 |
|
|
|
76 |
nmav |
1.33 |
/* Keep 2 numbers. One for the plain connections, and one |
77 |
|
|
* for the secure ones (SSL). |
78 |
|
|
*/ |
79 |
|
|
static long int total_global_connections[2] = { 0, 0 }; |
80 |
nmav |
1.25 |
|
81 |
|
|
/* Decreases total_global_connections, but does some locking |
82 |
|
|
* too. |
83 |
|
|
*/ |
84 |
nmav |
1.33 |
inline static void decrease_global_total_connections(int ssl) |
85 |
|
|
{ |
86 |
|
|
/* if we do want to serve as much as possible, then |
87 |
|
|
* don't bother counting connections. |
88 |
|
|
*/ |
89 |
|
|
if (max_connections == INT_MAX && max_ssl_connections == INT_MAX) |
90 |
|
|
return; |
91 |
|
|
|
92 |
|
|
#ifdef ENABLE_SMP |
93 |
|
|
pthread_mutex_lock(&accept_mutex[ssl]); |
94 |
|
|
#endif |
95 |
|
|
total_global_connections[ssl]--; |
96 |
|
|
#ifdef ENABLE_SMP |
97 |
|
|
pthread_mutex_unlock(&accept_mutex[ssl]); |
98 |
|
|
#endif |
99 |
|
|
|
100 |
|
|
} |
101 |
|
|
|
102 |
|
|
/* Returns the number of total connections |
103 |
|
|
*/ |
104 |
|
|
long int get_total_global_connections(int ssl) |
105 |
nmav |
1.25 |
{ |
106 |
nmav |
1.33 |
long int ret; |
107 |
nmav |
1.25 |
|
108 |
|
|
#ifdef ENABLE_SMP |
109 |
nmav |
1.33 |
pthread_mutex_lock(&accept_mutex[ssl]); |
110 |
nmav |
1.25 |
#endif |
111 |
nmav |
1.33 |
ret = total_global_connections[ssl]; |
112 |
nmav |
1.25 |
#ifdef ENABLE_SMP |
113 |
nmav |
1.33 |
pthread_mutex_unlock(&accept_mutex[ssl]); |
114 |
nmav |
1.25 |
#endif |
115 |
nmav |
1.33 |
return ret; |
116 |
nmav |
1.25 |
|
117 |
|
|
} |
118 |
|
|
|
119 |
nmav |
1.1 |
/* |
120 |
|
|
* Name: get_request |
121 |
|
|
* |
122 |
|
|
* Description: Polls the server socket for a request. If one exists, |
123 |
|
|
* does some basic initialization and adds it to the ready queue;. |
124 |
|
|
*/ |
125 |
|
|
|
126 |
nmav |
1.33 |
void get_request(server_params * params, socket_type * server_s) |
127 |
nmav |
1.1 |
{ |
128 |
nmav |
1.33 |
int fd; /* socket */ |
129 |
|
|
struct SOCKADDR remote_addr; /* address */ |
130 |
|
|
struct SOCKADDR salocal; |
131 |
|
|
int remote_addrlen = sizeof(struct SOCKADDR); |
132 |
|
|
request *conn; /* connection */ |
133 |
|
|
int len; |
134 |
|
|
static int sockbufsize = SOCKETBUF_SIZE; |
135 |
nmav |
1.14 |
#ifdef ENABLE_SSL |
136 |
nmav |
1.33 |
gnutls_session ssl_state = NULL; |
137 |
nmav |
1.14 |
#endif |
138 |
nmav |
1.1 |
|
139 |
nmav |
1.33 |
remote_addr.S_FAMILY = 0xdead; |
140 |
|
|
|
141 |
nmav |
1.1 |
#ifdef ENABLE_SMP |
142 |
nmav |
1.33 |
/* We make use of the fact that server_s->secure is either |
143 |
|
|
* 0 or 1. 0 Is used for the non SSL mutex, and 1 for the |
144 |
|
|
* secure one. |
145 |
|
|
*/ |
146 |
|
|
pthread_mutex_lock(&accept_mutex[server_s->secure]); |
147 |
|
|
#endif |
148 |
|
|
|
149 |
|
|
/* If we have reached our max connections limit |
150 |
|
|
*/ |
151 |
|
|
if ((!server_s->secure && total_global_connections[0] >= max_connections) || |
152 |
|
|
(server_s->secure && total_global_connections[1] >= max_ssl_connections)) |
153 |
|
|
{ |
154 |
|
|
server_s->pending_requests = 0; |
155 |
|
|
goto unlock; |
156 |
|
|
} |
157 |
|
|
|
158 |
|
|
fd = accept(server_s->socket, (struct sockaddr *) &remote_addr, |
159 |
|
|
&remote_addrlen); |
160 |
|
|
|
161 |
|
|
if (fd == -1) { |
162 |
|
|
if (errno != EAGAIN && errno != EWOULDBLOCK) |
163 |
|
|
/* abnormal error */ |
164 |
|
|
WARN("accept"); |
165 |
|
|
else |
166 |
|
|
/* no requests */ |
167 |
|
|
server_s->pending_requests = 0; |
168 |
|
|
goto unlock; |
169 |
|
|
} |
170 |
|
|
|
171 |
|
|
/* only count, if we have enabled a connection limit */ |
172 |
|
|
if (max_connections != INT_MAX || max_ssl_connections != INT_MAX) { |
173 |
|
|
total_global_connections[server_s->secure]++; |
174 |
|
|
} |
175 |
nmav |
1.25 |
|
176 |
|
|
#ifdef ENABLE_SMP |
177 |
nmav |
1.33 |
/* No dead lock conditions here, since accept() is non blocking. |
178 |
|
|
*/ |
179 |
|
|
pthread_mutex_unlock(&accept_mutex[server_s->secure]); |
180 |
nmav |
1.1 |
#endif |
181 |
|
|
|
182 |
nmav |
1.33 |
if (fd >= FD_SETSIZE) { |
183 |
|
|
WARN("Got fd >= FD_SETSIZE."); |
184 |
|
|
close(fd); |
185 |
|
|
return; |
186 |
|
|
} |
187 |
|
|
|
188 |
nmav |
1.1 |
#ifdef ENABLE_SSL |
189 |
nmav |
1.33 |
if (server_s->secure) { |
190 |
|
|
ssl_state = initialize_ssl_session(); |
191 |
|
|
if (ssl_state == NULL) { |
192 |
|
|
WARN("Could not initialize SSL session."); |
193 |
|
|
close(fd); |
194 |
|
|
return; |
195 |
|
|
} |
196 |
|
|
|
197 |
nmav |
1.35 |
gnutls_transport_set_ptr(ssl_state, (gnutls_transport_ptr)fd); |
198 |
nmav |
1.33 |
} |
199 |
|
|
#endif |
200 |
|
|
|
201 |
|
|
len = sizeof(salocal); |
202 |
|
|
|
203 |
|
|
if (getsockname(fd, (struct sockaddr *) &salocal, &len) != 0) { |
204 |
|
|
WARN("getsockname"); |
205 |
|
|
close(fd); |
206 |
|
|
return; |
207 |
|
|
} |
208 |
|
|
|
209 |
|
|
conn = new_request(params); |
210 |
|
|
if (!conn) { |
211 |
|
|
close(fd); |
212 |
|
|
return; |
213 |
|
|
} |
214 |
|
|
|
215 |
|
|
conn->fd = fd; |
216 |
nmav |
1.14 |
#ifdef ENABLE_SSL |
217 |
nmav |
1.33 |
conn->ssl_state = ssl_state; |
218 |
nmav |
1.14 |
#endif |
219 |
nmav |
1.1 |
|
220 |
nmav |
1.33 |
if (server_s->secure != 0) |
221 |
|
|
conn->secure = 1; |
222 |
|
|
else |
223 |
|
|
conn->secure = 0; |
224 |
|
|
|
225 |
|
|
if (server_s->secure != 0) |
226 |
|
|
conn->status = FINISH_HANDSHAKE; |
227 |
|
|
else |
228 |
|
|
conn->status = READ_HEADER; |
229 |
|
|
|
230 |
|
|
conn->header_line = conn->client_stream; |
231 |
|
|
conn->time_last = current_time; |
232 |
|
|
conn->kacount = ka_max; |
233 |
|
|
|
234 |
|
|
ascii_sockaddr(&salocal, conn->local_ip_addr, NI_MAXHOST); |
235 |
|
|
|
236 |
|
|
/* nonblocking socket */ |
237 |
|
|
if (set_nonblock_fd(conn->fd) == -1) |
238 |
|
|
WARN("fcntl: unable to set new socket to non-block"); |
239 |
|
|
|
240 |
|
|
/* set close on exec to true */ |
241 |
|
|
if (set_cloexec_fd(conn->fd) == -1) |
242 |
|
|
WARN("fctnl: unable to set close-on-exec for new socket"); |
243 |
|
|
|
244 |
|
|
/* Increase buffer size if we have to. |
245 |
|
|
* Only ask the system the buffer size on the first request, |
246 |
|
|
* and assume all subsequent sockets have the same size. |
247 |
|
|
*/ |
248 |
|
|
if (system_bufsize == 0) { |
249 |
|
|
len = sizeof(system_bufsize); |
250 |
|
|
if (getsockopt |
251 |
|
|
(conn->fd, SOL_SOCKET, SO_SNDBUF, &system_bufsize, &len) == 0 |
252 |
|
|
&& len == sizeof(system_bufsize)) { |
253 |
|
|
; |
254 |
|
|
} else { |
255 |
|
|
WARN("getsockopt(SNDBUF)"); |
256 |
|
|
system_bufsize = sockbufsize; |
257 |
|
|
} |
258 |
|
|
} |
259 |
|
|
if (system_bufsize < params->sockbufsize) { |
260 |
|
|
if (setsockopt |
261 |
|
|
(conn->fd, SOL_SOCKET, SO_SNDBUF, (void *) ¶ms->sockbufsize, |
262 |
|
|
sizeof(params->sockbufsize)) == -1) { |
263 |
|
|
WARN("setsockopt: unable to set socket buffer size"); |
264 |
nmav |
1.1 |
#ifdef DIE_ON_ERROR_TUNING_SNDBUF |
265 |
nmav |
1.33 |
exit(errno); |
266 |
nmav |
1.1 |
#endif |
267 |
nmav |
1.33 |
} |
268 |
|
|
} |
269 |
|
|
|
270 |
|
|
init_vhost_stuff(conn, ""); |
271 |
|
|
|
272 |
|
|
/* for log file and possible use by CGI programs */ |
273 |
|
|
ascii_sockaddr(&remote_addr, conn->remote_ip_addr, NI_MAXHOST); |
274 |
nmav |
1.1 |
|
275 |
nmav |
1.33 |
/* for possible use by CGI programs */ |
276 |
|
|
conn->remote_port = net_port(&remote_addr); |
277 |
nmav |
1.1 |
|
278 |
nmav |
1.33 |
params->status.requests++; |
279 |
nmav |
1.1 |
|
280 |
nmav |
1.33 |
socket_set_options(conn->fd); |
281 |
nmav |
1.1 |
|
282 |
nmav |
1.33 |
params->total_connections++; |
283 |
nmav |
1.5 |
|
284 |
nmav |
1.33 |
enqueue(¶ms->request_ready, conn); |
285 |
|
|
|
286 |
|
|
return; |
287 |
nmav |
1.25 |
|
288 |
nmav |
1.33 |
unlock: |
289 |
nmav |
1.25 |
#ifdef ENABLE_SMP |
290 |
nmav |
1.33 |
pthread_mutex_unlock(&accept_mutex[server_s->secure]); |
291 |
nmav |
1.25 |
#endif |
292 |
|
|
return; |
293 |
nmav |
1.1 |
} |
294 |
|
|
|
295 |
|
|
|
296 |
|
|
/* |
297 |
|
|
* Name: free_request |
298 |
|
|
* |
299 |
|
|
* Description: Deallocates memory for a finished request and closes |
300 |
|
|
* down socket. |
301 |
|
|
*/ |
302 |
|
|
|
303 |
nmav |
1.33 |
static void free_request(server_params * params, request ** list_head_addr, |
304 |
|
|
request * req) |
305 |
nmav |
1.1 |
{ |
306 |
nmav |
1.33 |
int i; |
307 |
|
|
/* free_request should *never* get called by anything but |
308 |
|
|
process_requests */ |
309 |
|
|
|
310 |
|
|
if (req->buffer_end && req->status != DEAD) { |
311 |
|
|
req->status = DONE; |
312 |
|
|
return; |
313 |
|
|
} |
314 |
|
|
/* put request on the free list */ |
315 |
|
|
dequeue(list_head_addr, req); /* dequeue from ready or block list */ |
316 |
|
|
|
317 |
|
|
if (req->logline) /* access log */ |
318 |
|
|
log_access(req); |
319 |
|
|
|
320 |
|
|
if (req->mmap_entry_var) |
321 |
|
|
release_mmap(req->mmap_entry_var); |
322 |
|
|
/* FIXME: Why is it needed? */ |
323 |
|
|
else if (req->data_mem) |
324 |
|
|
munmap(req->data_mem, req->filesize); |
325 |
|
|
|
326 |
|
|
if (req->data_fd != -1) |
327 |
|
|
close(req->data_fd); |
328 |
|
|
|
329 |
|
|
close_tmp_fd(&req->post_data_fd); |
330 |
|
|
|
331 |
|
|
if (req->response_status >= 400) |
332 |
|
|
params->status.errors++; |
333 |
|
|
|
334 |
|
|
for (i = COMMON_CGI_COUNT; i < req->cgi_env_index; ++i) { |
335 |
|
|
if (req->cgi_env[i]) { |
336 |
|
|
free(req->cgi_env[i]); |
337 |
|
|
} else { |
338 |
|
|
log_error_time(); |
339 |
|
|
fprintf(stderr, "Warning: CGI Environment contains NULL value" |
340 |
|
|
"(index %d of %d).\n", i, req->cgi_env_index); |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
|
|
344 |
|
|
free(req->pathname); |
345 |
|
|
free(req->query_string); |
346 |
|
|
free(req->path_info); |
347 |
|
|
free(req->path_translated); |
348 |
|
|
free(req->script_name); |
349 |
|
|
|
350 |
|
|
if ((req->keepalive == KA_ACTIVE) && |
351 |
|
|
(req->response_status < 500) && req->kacount > 0) { |
352 |
|
|
int bytes_to_move; |
353 |
|
|
|
354 |
|
|
request *conn = new_request(params); |
355 |
|
|
if (!conn) { |
356 |
|
|
/* errors already reported */ |
357 |
|
|
enqueue(¶ms->request_free, req); |
358 |
|
|
close(req->fd); |
359 |
|
|
params->total_connections--; |
360 |
|
|
decrease_global_total_connections(req->secure); |
361 |
|
|
return; |
362 |
|
|
} |
363 |
|
|
conn->fd = req->fd; |
364 |
nmav |
1.1 |
|
365 |
|
|
#ifdef ENABLE_SSL |
366 |
nmav |
1.33 |
if (req->secure != 0) { |
367 |
|
|
conn->secure = 1; |
368 |
|
|
conn->ssl_state = req->ssl_state; |
369 |
|
|
|
370 |
|
|
conn->status = READ_HEADER; |
371 |
|
|
} else { |
372 |
nmav |
1.1 |
#endif |
373 |
nmav |
1.33 |
conn->secure = 0; |
374 |
|
|
conn->status = READ_HEADER; |
375 |
nmav |
1.1 |
#ifdef ENABLE_SSL |
376 |
nmav |
1.33 |
conn->ssl_state = NULL; |
377 |
|
|
} |
378 |
nmav |
1.1 |
#endif |
379 |
|
|
|
380 |
nmav |
1.33 |
conn->header_line = conn->client_stream; |
381 |
|
|
conn->kacount = req->kacount - 1; |
382 |
|
|
|
383 |
|
|
/* close enough and we avoid a call to time(NULL) */ |
384 |
|
|
conn->time_last = req->time_last; |
385 |
|
|
|
386 |
|
|
/* for log file and possible use by CGI programs */ |
387 |
|
|
memcpy(conn->remote_ip_addr, req->remote_ip_addr, NI_MAXHOST); |
388 |
|
|
memcpy(conn->local_ip_addr, req->local_ip_addr, NI_MAXHOST); |
389 |
|
|
|
390 |
|
|
/* for possible use by CGI programs */ |
391 |
|
|
conn->remote_port = req->remote_port; |
392 |
|
|
|
393 |
|
|
conn->action = req->action; |
394 |
|
|
|
395 |
|
|
params->status.requests++; |
396 |
|
|
|
397 |
|
|
/* we haven't parsed beyond req->parse_pos, so... */ |
398 |
|
|
bytes_to_move = req->client_stream_pos - req->parse_pos; |
399 |
|
|
|
400 |
|
|
if (bytes_to_move) { |
401 |
|
|
memcpy(conn->client_stream, |
402 |
|
|
req->client_stream + req->parse_pos, bytes_to_move); |
403 |
|
|
conn->client_stream_pos = bytes_to_move; |
404 |
|
|
} |
405 |
|
|
enqueue(¶ms->request_block, conn); |
406 |
|
|
|
407 |
|
|
BOA_FD_SET(conn, conn->fd, BOA_READ); |
408 |
|
|
|
409 |
|
|
enqueue(¶ms->request_free, req); |
410 |
|
|
|
411 |
|
|
return; |
412 |
|
|
} |
413 |
|
|
|
414 |
|
|
/* |
415 |
|
|
While debugging some weird errors, Jon Nelson learned that |
416 |
|
|
some versions of Netscape Navigator break the |
417 |
|
|
HTTP specification. |
418 |
|
|
|
419 |
|
|
Some research on the issue brought up: |
420 |
|
|
|
421 |
|
|
http://www.apache.org/docs/misc/known_client_problems.html |
422 |
|
|
|
423 |
|
|
As quoted here: |
424 |
nmav |
1.1 |
|
425 |
nmav |
1.33 |
" |
426 |
|
|
Trailing CRLF on POSTs |
427 |
nmav |
1.1 |
|
428 |
nmav |
1.33 |
This is a legacy issue. The CERN webserver required POST |
429 |
|
|
data to have an extra CRLF following it. Thus many |
430 |
|
|
clients send an extra CRLF that is not included in the |
431 |
|
|
Content-Length of the request. Apache works around this |
432 |
|
|
problem by eating any empty lines which appear before a |
433 |
|
|
request. |
434 |
|
|
" |
435 |
|
|
|
436 |
|
|
Boa will (for now) hack around this stupid bug in Netscape |
437 |
|
|
(and Internet Exploder) |
438 |
|
|
by reading up to 32k after the connection is all but closed. |
439 |
|
|
This should eliminate any remaining spurious crlf sent |
440 |
|
|
by the client. |
441 |
|
|
|
442 |
|
|
Building bugs *into* software to be compatable is |
443 |
|
|
just plain wrong |
444 |
|
|
*/ |
445 |
|
|
|
446 |
|
|
if (req->method == M_POST) { |
447 |
|
|
char buf[32768]; |
448 |
|
|
|
449 |
|
|
socket_recv(req, buf, sizeof(buf)); |
450 |
|
|
} |
451 |
nmav |
1.1 |
#ifdef ENABLE_SSL |
452 |
nmav |
1.33 |
if (req->secure) { |
453 |
|
|
gnutls_bye(req->ssl_state, GNUTLS_SHUT_WR); |
454 |
|
|
gnutls_deinit(req->ssl_state); |
455 |
|
|
} |
456 |
nmav |
1.1 |
#endif |
457 |
nmav |
1.33 |
close(req->fd); |
458 |
nmav |
1.1 |
|
459 |
nmav |
1.33 |
params->total_connections--; |
460 |
|
|
decrease_global_total_connections(req->secure); |
461 |
nmav |
1.1 |
|
462 |
nmav |
1.33 |
enqueue(¶ms->request_free, req); |
463 |
nmav |
1.1 |
|
464 |
nmav |
1.33 |
return; |
465 |
nmav |
1.1 |
} |
466 |
|
|
|
467 |
|
|
/* |
468 |
|
|
* Name: process_requests |
469 |
|
|
* |
470 |
|
|
* Description: Iterates through the ready queue, passing each request |
471 |
|
|
* to the appropriate handler for processing. It monitors the |
472 |
|
|
* return value from handler functions, all of which return -1 |
473 |
|
|
* to indicate a block, 0 on completion and 1 to remain on the |
474 |
|
|
* ready list for more procesing. |
475 |
|
|
*/ |
476 |
|
|
|
477 |
nmav |
1.33 |
void process_requests(server_params * params, socket_type * server_s) |
478 |
nmav |
1.1 |
{ |
479 |
nmav |
1.33 |
int retval = 0; |
480 |
|
|
request *current, *trailer; |
481 |
nmav |
1.1 |
|
482 |
nmav |
1.33 |
if (server_s->pending_requests) { |
483 |
|
|
get_request(params, server_s); |
484 |
nmav |
1.1 |
#ifdef ORIGINAL_BEHAVIOR |
485 |
nmav |
1.33 |
server_s->pending_requests = 0; |
486 |
nmav |
1.1 |
#endif |
487 |
nmav |
1.33 |
} |
488 |
nmav |
1.1 |
|
489 |
nmav |
1.33 |
current = params->request_ready; |
490 |
nmav |
1.1 |
|
491 |
nmav |
1.33 |
while (current) { |
492 |
|
|
if (current->buffer_end && /* there is data in the buffer */ |
493 |
|
|
current->status != DEAD && current->status != DONE) { |
494 |
|
|
retval = req_flush(current); |
495 |
|
|
/* |
496 |
|
|
* retval can be -2=error, -1=blocked, or bytes left |
497 |
|
|
*/ |
498 |
|
|
if (retval == -2) { /* error */ |
499 |
|
|
current->status = DEAD; |
500 |
|
|
retval = 0; |
501 |
|
|
} else if (retval >= 0) { |
502 |
|
|
/* notice the >= which is different from below? |
503 |
|
|
Here, we may just be flushing headers. |
504 |
|
|
We don't want to return 0 because we are not DONE |
505 |
|
|
or DEAD */ |
506 |
|
|
|
507 |
|
|
retval = 1; |
508 |
|
|
} |
509 |
|
|
} else { |
510 |
|
|
switch (current->status) { |
511 |
nmav |
1.1 |
#ifdef ENABLE_SSL |
512 |
nmav |
1.33 |
case FINISH_HANDSHAKE: |
513 |
|
|
retval = finish_handshake(current); |
514 |
|
|
break; |
515 |
|
|
case SEND_ALERT: |
516 |
|
|
retval = send_alert(current); |
517 |
|
|
break; |
518 |
|
|
#endif |
519 |
|
|
case READ_HEADER: |
520 |
|
|
case ONE_CR: |
521 |
|
|
case ONE_LF: |
522 |
|
|
case TWO_CR: |
523 |
|
|
retval = read_header(params, current); |
524 |
|
|
break; |
525 |
|
|
case BODY_READ: |
526 |
|
|
retval = read_body(current); |
527 |
|
|
break; |
528 |
|
|
case BODY_WRITE: |
529 |
|
|
retval = write_body(current); |
530 |
|
|
break; |
531 |
|
|
case WRITE: |
532 |
|
|
retval = process_get(params, current); |
533 |
|
|
break; |
534 |
|
|
case PIPE_READ: |
535 |
|
|
retval = read_from_pipe(current); |
536 |
|
|
break; |
537 |
|
|
case PIPE_WRITE: |
538 |
|
|
retval = write_from_pipe(current); |
539 |
|
|
break; |
540 |
|
|
case IOSHUFFLE: |
541 |
|
|
retval = io_shuffle(current); |
542 |
|
|
break; |
543 |
|
|
case DONE: |
544 |
|
|
/* a non-status that will terminate the request */ |
545 |
|
|
retval = req_flush(current); |
546 |
|
|
/* |
547 |
|
|
* retval can be -2=error, -1=blocked, or bytes left |
548 |
|
|
*/ |
549 |
|
|
if (retval == -2) { /* error */ |
550 |
|
|
current->status = DEAD; |
551 |
|
|
retval = 0; |
552 |
|
|
} else if (retval > 0) { |
553 |
|
|
retval = 1; |
554 |
|
|
} |
555 |
|
|
break; |
556 |
|
|
case DEAD: |
557 |
|
|
retval = 0; |
558 |
|
|
current->buffer_end = 0; |
559 |
|
|
SQUASH_KA(current); |
560 |
|
|
break; |
561 |
|
|
default: |
562 |
|
|
retval = 0; |
563 |
|
|
fprintf(stderr, "Unknown status (%d), " |
564 |
|
|
"closing!\n", current->status); |
565 |
|
|
current->status = DEAD; |
566 |
|
|
break; |
567 |
|
|
} |
568 |
|
|
|
569 |
|
|
} |
570 |
|
|
|
571 |
|
|
if (params->sigterm_flag) |
572 |
|
|
SQUASH_KA(current); |
573 |
|
|
|
574 |
|
|
/* we put this here instead of after the switch so that |
575 |
|
|
* if we are on the last request, and get_request is successful, |
576 |
|
|
* current->next is valid! |
577 |
|
|
*/ |
578 |
|
|
if (server_s->pending_requests) |
579 |
|
|
get_request(params, server_s); |
580 |
|
|
|
581 |
|
|
switch (retval) { |
582 |
|
|
case -1: /* request blocked */ |
583 |
|
|
trailer = current; |
584 |
|
|
current = current->next; |
585 |
|
|
block_request(params, trailer); |
586 |
|
|
break; |
587 |
|
|
case 0: /* request complete */ |
588 |
|
|
current->time_last = current_time; |
589 |
|
|
trailer = current; |
590 |
|
|
current = current->next; |
591 |
|
|
free_request(params, ¶ms->request_ready, trailer); |
592 |
|
|
break; |
593 |
|
|
case 1: /* more to do */ |
594 |
|
|
current->time_last = current_time; |
595 |
|
|
current = current->next; |
596 |
|
|
break; |
597 |
|
|
default: |
598 |
|
|
log_error_time(); |
599 |
|
|
fprintf(stderr, "Unknown retval in process.c - " |
600 |
|
|
"Status: %d, retval: %d\n", current->status, retval); |
601 |
|
|
current = current->next; |
602 |
|
|
break; |
603 |
|
|
} |
604 |
|
|
} |
605 |
|
|
} |
606 |
|
|
|
607 |
|
|
/* Initializes several stuff that depend on the sent HTTP |
608 |
|
|
* version number. |
609 |
|
|
* |
610 |
|
|
* Returns true on sucess, or 0 otherwise. |
611 |
|
|
*/ |
612 |
|
|
inline static |
613 |
|
|
int init_http_version_specific_stuff(request * req) |
614 |
|
|
{ |
615 |
|
|
if ( req->http_version==HTTP_1_1) { |
616 |
|
|
if (!req->keepalive_given) |
617 |
|
|
req->keepalive = KA_ACTIVE; /* keepalive is active by default */ |
618 |
|
|
|
619 |
|
|
if (req->hostname_given == 0) { |
620 |
|
|
return 0; |
621 |
|
|
} |
622 |
|
|
} |
623 |
|
|
|
624 |
|
|
return 1; /* success */ |
625 |
nmav |
1.1 |
} |
626 |
|
|
|
627 |
|
|
/* |
628 |
|
|
* Name: process_logline |
629 |
|
|
* |
630 |
|
|
* Description: This is called with the first req->header_line received |
631 |
|
|
* by a request, called "logline" because it is logged to a file. |
632 |
|
|
* It is parsed to determine request type and method, then passed to |
633 |
|
|
* translate_uri for further parsing. Also sets up CGI environment if |
634 |
|
|
* needed. |
635 |
|
|
*/ |
636 |
nmav |
1.2 |
#define SIMPLE_HTTP_VERSION "HTTP/0.9" |
637 |
nmav |
1.1 |
int process_logline(request * req) |
638 |
|
|
{ |
639 |
nmav |
1.33 |
char *stop, *stop2; |
640 |
nmav |
1.1 |
|
641 |
nmav |
1.33 |
req->logline = req->client_stream; |
642 |
|
|
if (!memcmp(req->logline, "GET ", 4)) |
643 |
|
|
req->method = M_GET; |
644 |
|
|
else if (!memcmp(req->logline, "HEAD ", 5)) |
645 |
|
|
/* head is just get w/no body */ |
646 |
|
|
req->method = M_HEAD; |
647 |
|
|
else if (!memcmp(req->logline, "POST ", 5)) |
648 |
|
|
req->method = M_POST; |
649 |
|
|
else { |
650 |
|
|
log_error_doc(req); |
651 |
|
|
fprintf(stderr, "malformed request: \"%s\"\n", req->logline); |
652 |
|
|
send_r_not_implemented(req); |
653 |
|
|
return 0; |
654 |
|
|
} |
655 |
|
|
|
656 |
|
|
req->http_version_str = SIMPLE_HTTP_VERSION; |
657 |
|
|
req->http_version = HTTP_0_9; |
658 |
|
|
|
659 |
|
|
/* Guaranteed to find ' ' since we matched a method above */ |
660 |
|
|
stop = req->logline + 3; |
661 |
|
|
if (*stop != ' ') |
662 |
|
|
++stop; |
663 |
|
|
|
664 |
|
|
/* scan to start of non-whitespace */ |
665 |
|
|
while (*(++stop) == ' '); |
666 |
|
|
|
667 |
|
|
stop2 = stop; |
668 |
|
|
|
669 |
|
|
/* scan to end of non-whitespace */ |
670 |
|
|
while (*stop2 != '\0' && *stop2 != ' ') |
671 |
|
|
++stop2; |
672 |
|
|
|
673 |
|
|
if (stop2 - stop > MAX_HEADER_LENGTH) { |
674 |
|
|
log_error_doc(req); |
675 |
|
|
fprintf(stderr, "URI too long %d: \"%s\"\n", MAX_HEADER_LENGTH, |
676 |
|
|
req->logline); |
677 |
|
|
send_r_bad_request(req); |
678 |
|
|
return 0; |
679 |
|
|
} |
680 |
|
|
memcpy(req->request_uri, stop, stop2 - stop); |
681 |
|
|
req->request_uri[stop2 - stop] = '\0'; |
682 |
|
|
|
683 |
|
|
if (*stop2 == ' ') { |
684 |
|
|
/* if found, we should get an HTTP/x.x */ |
685 |
|
|
unsigned int p1, p2; |
686 |
|
|
|
687 |
|
|
/* scan to end of whitespace */ |
688 |
|
|
++stop2; |
689 |
|
|
while (*stop2 == ' ' && *stop2 != '\0') |
690 |
|
|
++stop2; |
691 |
|
|
|
692 |
|
|
/* scan in HTTP/major.minor */ |
693 |
|
|
if (sscanf(stop2, "HTTP/%u.%u", &p1, &p2) == 2) { |
694 |
|
|
/* HTTP/{0.9,1.0,1.1} */ |
695 |
|
|
if (p1 == 1) { /* We accept all HTTP/1.x versions */ |
696 |
|
|
req->http_version_str = stop2; |
697 |
|
|
switch(p2) { |
698 |
|
|
case 0: |
699 |
|
|
req->http_version = HTTP_1_0; |
700 |
|
|
break; |
701 |
|
|
case 1: |
702 |
|
|
default: |
703 |
|
|
req->http_version = HTTP_1_1; |
704 |
|
|
} |
705 |
|
|
} else if (p1 > 1) { /* major number > 1 is invalid for us */ |
706 |
|
|
goto BAD_VERSION; |
707 |
|
|
} |
708 |
|
|
} else { |
709 |
|
|
goto BAD_VERSION; |
710 |
|
|
} |
711 |
|
|
|
712 |
|
|
} |
713 |
|
|
|
714 |
|
|
if (req->method == M_HEAD && req->http_version == HTTP_0_9) { |
715 |
|
|
send_r_bad_request(req); |
716 |
|
|
return 0; |
717 |
|
|
} |
718 |
|
|
req->cgi_env_index = COMMON_CGI_COUNT; |
719 |
|
|
|
720 |
|
|
return 1; |
721 |
|
|
|
722 |
|
|
BAD_VERSION: |
723 |
|
|
log_error_doc(req); |
724 |
|
|
fprintf(stderr, "bogus HTTP version: \"%s\"\n", stop2); |
725 |
|
|
send_r_bad_request(req); |
726 |
|
|
return 0; |
727 |
nmav |
1.1 |
} |
728 |
|
|
|
729 |
|
|
/* |
730 |
|
|
* Name: process_header_end |
731 |
|
|
* |
732 |
|
|
* Description: takes a request and performs some final checking before |
733 |
|
|
* init_cgi or init_get |
734 |
|
|
* Returns 0 for error or NPH, or 1 for success |
735 |
|
|
*/ |
736 |
|
|
|
737 |
nmav |
1.33 |
int process_header_end(server_params * params, request * req) |
738 |
nmav |
1.1 |
{ |
739 |
nmav |
1.33 |
char *p = NULL; |
740 |
nmav |
1.20 |
|
741 |
nmav |
1.33 |
if (!req->logline) { |
742 |
|
|
send_r_error(req); |
743 |
|
|
return 0; |
744 |
|
|
} |
745 |
|
|
|
746 |
|
|
/* Check if all the stuff matches the HTTP version |
747 |
|
|
* sent. |
748 |
|
|
*/ |
749 |
|
|
if (!init_http_version_specific_stuff(req)) { |
750 |
|
|
send_r_bad_request(req); |
751 |
|
|
return 0; |
752 |
|
|
} |
753 |
|
|
|
754 |
|
|
/* Percent-decode request */ |
755 |
|
|
if (unescape_uri(req->request_uri, &p) == 0) { |
756 |
|
|
log_error_doc(req); |
757 |
|
|
fputs("Problem unescaping uri\n", stderr); |
758 |
|
|
send_r_bad_request(req); |
759 |
|
|
return 0; |
760 |
|
|
} |
761 |
|
|
|
762 |
|
|
if (p) { |
763 |
|
|
req->query_string = strdup(p); |
764 |
|
|
if (req->query_string == NULL) { |
765 |
|
|
send_r_error(req); |
766 |
|
|
return 0; |
767 |
|
|
} |
768 |
|
|
} |
769 |
|
|
|
770 |
|
|
/* clean pathname */ |
771 |
|
|
clean_pathname(req->request_uri); |
772 |
|
|
|
773 |
|
|
if (req->request_uri[0] != '/') { |
774 |
|
|
send_r_bad_request(req); |
775 |
|
|
return 0; |
776 |
|
|
} |
777 |
|
|
|
778 |
|
|
if (translate_uri(req) == 0) { /* unescape, parse uri */ |
779 |
|
|
SQUASH_KA(req); |
780 |
|
|
return 0; /* failure, close down */ |
781 |
|
|
} |
782 |
|
|
|
783 |
|
|
if (req->method == M_POST) { |
784 |
|
|
req->post_data_fd = |
785 |
|
|
create_temporary_file(1, boa_atoi(req->content_length)); |
786 |
|
|
if (req->post_data_fd.fds[0] == -1) |
787 |
|
|
return (0); |
788 |
|
|
|
789 |
|
|
if (req->post_data_fd.pipe == 0) { |
790 |
|
|
if (set_cloexec_fd(req->post_data_fd.fds[0]) == -1) { |
791 |
|
|
WARN("unable to set close-on-exec for req->post_data_fd!"); |
792 |
|
|
close_tmp_fd(&req->post_data_fd); |
793 |
|
|
return (0); |
794 |
|
|
} |
795 |
|
|
} |
796 |
|
|
|
797 |
|
|
return (1); /* success */ |
798 |
|
|
} |
799 |
|
|
|
800 |
|
|
if (req->is_cgi) { |
801 |
|
|
return init_cgi(req); |
802 |
|
|
} |
803 |
nmav |
1.1 |
|
804 |
nmav |
1.33 |
req->status = WRITE; |
805 |
|
|
return init_get(params, req); /* get and head */ |
806 |
nmav |
1.1 |
} |
807 |
|
|
|
808 |
nmav |
1.4 |
/* Parses HTTP/1.1 range values. |
809 |
|
|
*/ |
810 |
nmav |
1.34 |
static int parse_range(const char *value, off_t * val1, |
811 |
|
|
off_t * val2) |
812 |
nmav |
1.4 |
{ |
813 |
nmav |
1.33 |
int len; |
814 |
|
|
char *p; |
815 |
|
|
|
816 |
|
|
*val1 = *val2 = 0; |
817 |
|
|
|
818 |
|
|
len = strlen(value); |
819 |
|
|
if (len < 7) |
820 |
|
|
return -1; |
821 |
|
|
|
822 |
|
|
/* we do not accept ranges of the form "bytes=10-20,21-30" |
823 |
|
|
*/ |
824 |
|
|
if (strchr(value, ',') != NULL) |
825 |
|
|
return -1; |
826 |
|
|
|
827 |
|
|
if (memcmp("bytes=", value, 6) != 0) { |
828 |
|
|
return -1; |
829 |
|
|
} else |
830 |
|
|
value += 6; |
831 |
|
|
|
832 |
|
|
while (*value == ' ') |
833 |
|
|
value++; |
834 |
|
|
if ((p = strchr(value, '-')) == NULL) |
835 |
|
|
return -1; |
836 |
|
|
|
837 |
|
|
if (value[0] == '-') { /* Handle case "bytes=-1024" */ |
838 |
|
|
*val1 = 0; |
839 |
|
|
*val2 = boa_atoll(&value[1]); |
840 |
|
|
return 0; |
841 |
|
|
} else { |
842 |
|
|
char buf[43]; |
843 |
|
|
int len; |
844 |
|
|
|
845 |
|
|
/* two values of the form "xxx-yyy" */ |
846 |
|
|
|
847 |
|
|
if ((len = strlen(value)) >= sizeof(buf)) |
848 |
|
|
return -1; |
849 |
nmav |
1.4 |
|
850 |
nmav |
1.33 |
memcpy(buf, value, len); |
851 |
|
|
buf[len] = 0; |
852 |
nmav |
1.4 |
|
853 |
nmav |
1.33 |
p = strchr(buf, '-'); |
854 |
|
|
if (p == NULL) |
855 |
|
|
return -1; |
856 |
|
|
*p = 0; |
857 |
|
|
p++; |
858 |
nmav |
1.8 |
|
859 |
nmav |
1.33 |
while (*p == ' ') |
860 |
|
|
p++; |
861 |
|
|
|
862 |
|
|
*val1 = boa_atoll(buf); |
863 |
|
|
|
864 |
|
|
if (*p == '\0') /* form: "xxx-" */ |
865 |
|
|
*val2 = 0; |
866 |
|
|
else |
867 |
|
|
*val2 = boa_atoll(p); |
868 |
|
|
|
869 |
|
|
if (*val1 == -1) |
870 |
|
|
return -1; |
871 |
|
|
|
872 |
|
|
return 0; |
873 |
|
|
} |
874 |
|
|
|
875 |
|
|
return -1; |
876 |
|
|
} |
877 |
|
|
|
878 |
|
|
inline static void init_range_stuff(request * req, char *value) |
879 |
|
|
{ |
880 |
nmav |
1.34 |
off_t p1, p2; |
881 |
nmav |
1.33 |
if (parse_range(value, &p1, &p2) == 0) { |
882 |
|
|
req->range_start = p1; |
883 |
|
|
req->range_stop = p2; |
884 |
|
|
} else { |
885 |
|
|
req->range_start = -1; |
886 |
|
|
req->range_stop = -1; |
887 |
|
|
log_error_doc(req); |
888 |
|
|
fprintf(stderr, "bogus range: \"%s\"\n", value); |
889 |
|
|
|
890 |
|
|
/* here we just ignore a bogus range, |
891 |
|
|
* but we have put illegal values in |
892 |
|
|
* range start and range stop, to |
893 |
|
|
* be detected in init_get(). |
894 |
|
|
*/ |
895 |
|
|
} |
896 |
|
|
} |
897 |
|
|
|
898 |
|
|
inline static void init_vhost_stuff(request * req, char *value) |
899 |
|
|
{ |
900 |
|
|
virthost *vhost; |
901 |
|
|
int valuelen; |
902 |
|
|
|
903 |
|
|
valuelen = strlen(value); |
904 |
|
|
|
905 |
|
|
vhost = find_virthost(value, valuelen); |
906 |
|
|
|
907 |
|
|
if (vhost == NULL && value[0] != 0) { |
908 |
|
|
value = ""; |
909 |
|
|
vhost = find_virthost("", 0); |
910 |
|
|
} |
911 |
|
|
|
912 |
|
|
if (vhost |
913 |
|
|
&& (vhost->ip == NULL |
914 |
|
|
|| !memcmp(vhost->ip, req->local_ip_addr, vhost->ip_len))) { |
915 |
|
|
req->hostname = value; |
916 |
|
|
memcpy(req->document_root, vhost->document_root, |
917 |
|
|
vhost->document_root_len + 1); |
918 |
|
|
if (vhost->user_dir) |
919 |
|
|
memcpy(req->user_dir, vhost->user_dir, vhost->user_dir_len + 1); |
920 |
|
|
|
921 |
|
|
} |
922 |
nmav |
1.29 |
|
923 |
nmav |
1.8 |
} |
924 |
nmav |
1.4 |
|
925 |
nmav |
1.1 |
/* |
926 |
|
|
* Name: process_option_line |
927 |
|
|
* |
928 |
|
|
* Description: Parses the contents of req->header_line and takes |
929 |
|
|
* appropriate action. |
930 |
|
|
*/ |
931 |
|
|
|
932 |
|
|
int process_option_line(request * req) |
933 |
|
|
{ |
934 |
nmav |
1.33 |
char c, *value, *line = req->header_line; |
935 |
nmav |
1.1 |
|
936 |
nmav |
1.33 |
/* Start by aggressively hacking the in-place copy of the header line */ |
937 |
nmav |
1.1 |
|
938 |
|
|
#ifdef FASCIST_LOGGING |
939 |
nmav |
1.33 |
log_error_time(); |
940 |
|
|
fprintf(stderr, "%s:%d - Parsing \"%s\"\n", __FILE__, __LINE__, line); |
941 |
nmav |
1.1 |
#endif |
942 |
|
|
|
943 |
nmav |
1.33 |
value = strchr(line, ':'); |
944 |
|
|
if (value == NULL) |
945 |
|
|
return 0; |
946 |
|
|
*value++ = '\0'; /* overwrite the : */ |
947 |
|
|
to_upper(line); /* header types are case-insensitive */ |
948 |
|
|
while ((c = *value) && (c == ' ' || c == '\t')) |
949 |
|
|
value++; |
950 |
|
|
|
951 |
|
|
|
952 |
|
|
switch (line[0]) { |
953 |
|
|
|
954 |
|
|
case 'A': |
955 |
|
|
if (!memcmp(line, "ACCEPT", 7)) |
956 |
|
|
add_accept_header(req, value); |
957 |
|
|
else |
958 |
|
|
goto just_add_header; |
959 |
|
|
break; |
960 |
|
|
|
961 |
|
|
case 'C': |
962 |
|
|
if (!memcmp(line, "CONTENT_TYPE", 13) && !req->content_type) |
963 |
|
|
req->content_type = value; |
964 |
|
|
else if (!memcmp(line, "CONTENT_LENGTH", 15) && !req->content_length) |
965 |
|
|
req->content_length = value; |
966 |
|
|
else if (!memcmp(line, "CONNECTION", 11) && |
967 |
|
|
ka_max && req->keepalive != KA_STOPPED) { |
968 |
|
|
req->keepalive_given = 1; |
969 |
|
|
req->keepalive = (!strncasecmp(value, "Keep-Alive", 10) ? |
970 |
|
|
KA_ACTIVE : KA_STOPPED); |
971 |
|
|
} else |
972 |
|
|
goto just_add_header; |
973 |
|
|
|
974 |
|
|
break; |
975 |
|
|
|
976 |
|
|
case 'H': |
977 |
|
|
if (!memcmp(line, "HOST", 4)) { |
978 |
|
|
req->hostname_given = 1; |
979 |
|
|
init_vhost_stuff(req, value); |
980 |
|
|
if (!add_cgi_env(req, "HOST", value, 1)) |
981 |
|
|
return 0; |
982 |
|
|
} else |
983 |
|
|
goto just_add_header; |
984 |
|
|
break; |
985 |
|
|
|
986 |
|
|
case 'I': |
987 |
|
|
if (!memcmp(line, "IF_", 3)) { |
988 |
|
|
char *p = line + 3; |
989 |
|
|
|
990 |
|
|
if (!memcmp(p, "MODIFIED_SINCE", 15) && !req->if_modified_since) { |
991 |
|
|
req->if_types |= IF_MODIFIED_SINCE; |
992 |
|
|
req->if_modified_since = value; |
993 |
|
|
|
994 |
|
|
} else if (!memcmp(p, "MATCH", 5) && !req->if_match_etag) { |
995 |
|
|
req->if_types |= IF_MATCH; |
996 |
|
|
req->if_match_etag = value; |
997 |
|
|
|
998 |
|
|
} else if (!memcmp(p, "NONE_MATCH", 10) |
999 |
|
|
&& !req->if_none_match_etag) { |
1000 |
|
|
req->if_types |= IF_NONE_MATCH; |
1001 |
|
|
req->if_none_match_etag = value; |
1002 |
|
|
|
1003 |
|
|
} else if (!memcmp(p, "RANGE", 5) && !req->if_range_etag) { |
1004 |
|
|
req->if_types |= IF_RANGE; |
1005 |
|
|
req->if_range_etag = value; |
1006 |
|
|
} |
1007 |
|
|
|
1008 |
|
|
if (!add_cgi_env(req, line, value, 1)) |
1009 |
|
|
return 0; |
1010 |
|
|
break; |
1011 |
|
|
} else |
1012 |
|
|
goto just_add_header; |
1013 |
|
|
|
1014 |
|
|
|
1015 |
|
|
case 'R': |
1016 |
|
|
/* Need agent and referer for logs */ |
1017 |
|
|
if (!memcmp(line, "REFERER", 8)) { |
1018 |
|
|
req->header_referer = value; |
1019 |
|
|
if (!add_cgi_env(req, "REFERER", value, 1)) |
1020 |
|
|
return 0; |
1021 |
|
|
} else if (!memcmp(line, "RANGE", 5)) { |
1022 |
|
|
init_range_stuff(req, value); |
1023 |
|
|
} else goto just_add_header; |
1024 |
|
|
break; |
1025 |
|
|
|
1026 |
nmav |
1.16 |
|
1027 |
nmav |
1.33 |
case 'U': |
1028 |
|
|
if (!memcmp(line, "USER_AGENT", 11)) { |
1029 |
|
|
req->header_user_agent = value; |
1030 |
|
|
if (!add_cgi_env(req, "USER_AGENT", value, 1)) |
1031 |
|
|
return 0; |
1032 |
|
|
} else |
1033 |
|
|
goto just_add_header; |
1034 |
|
|
break; |
1035 |
|
|
|
1036 |
|
|
default: |
1037 |
|
|
just_add_header: |
1038 |
|
|
if (!add_cgi_env(req, line, value, 1)) |
1039 |
|
|
return 0; |
1040 |
|
|
break; |
1041 |
|
|
|
1042 |
|
|
} |
1043 |
|
|
|
1044 |
|
|
return 1; |
1045 |
nmav |
1.27 |
|
1046 |
nmav |
1.1 |
} |
1047 |
|
|
|
1048 |
|
|
/* |
1049 |
|
|
* Name: add_accept_header |
1050 |
|
|
* Description: Adds a mime_type to a requests accept char buffer |
1051 |
|
|
* silently ignore any that don't fit - |
1052 |
|
|
* shouldn't happen because of relative buffer sizes |
1053 |
|
|
*/ |
1054 |
|
|
|
1055 |
|
|
void add_accept_header(request * req, char *mime_type) |
1056 |
|
|
{ |
1057 |
|
|
#ifdef ACCEPT_ON |
1058 |
nmav |
1.33 |
int l = strlen(req->accept); |
1059 |
|
|
int l2 = strlen(mime_type); |
1060 |
nmav |
1.1 |
|
1061 |
nmav |
1.33 |
if ((l + l2 + 2) >= MAX_HEADER_LENGTH) |
1062 |
|
|
return; |
1063 |
nmav |
1.1 |
|
1064 |
nmav |
1.33 |
if (req->accept[0] == '\0') |
1065 |
|
|
strcpy(req->accept, mime_type); |
1066 |
|
|
else { |
1067 |
|
|
req->accept[l] = ','; |
1068 |
|
|
req->accept[l + 1] = ' '; |
1069 |
|
|
memcpy(req->accept + l + 2, mime_type, l2 + 1); |
1070 |
|
|
/* the +1 is for the '\0' */ |
1071 |
|
|
/* |
1072 |
|
|
sprintf(req->accept + l, ", %s", mime_type); |
1073 |
|
|
*/ |
1074 |
|
|
} |
1075 |
nmav |
1.1 |
#endif |
1076 |
|
|
} |
1077 |
|
|
|
1078 |
nmav |
1.33 |
void free_requests(server_params * params) |
1079 |
|
|
{ |
1080 |
|
|
request *ptr, *next; |
1081 |
|
|
|
1082 |
|
|
ptr = params->request_free; |
1083 |
|
|
while (ptr != NULL) { |
1084 |
|
|
next = ptr->next; |
1085 |
|
|
free(ptr); |
1086 |
|
|
ptr = next; |
1087 |
|
|
} |
1088 |
|
|
params->request_free = NULL; |
1089 |
nmav |
1.1 |
} |