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Added code to handle HTTP/0.9 simple GET requests.

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This commit is contained in:
Robert James Kaes 2004-08-24 16:35:27 +00:00
parent 79d40a536a
commit c446e19003
1 changed files with 53 additions and 36 deletions
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89
src/reqs.c
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@ -1,4 +1,4 @@
/* $Id: reqs.c,v 1.116 2004-08-12 20:15:04 rjkaes Exp $
/* $Id: reqs.c,v 1.117 2004-08-24 16:35:27 rjkaes Exp $
*
* This is where all the work in tinyproxy is actually done. Incoming
* connections have a new child created for them. The child then
@ -630,10 +630,31 @@ process_request(struct conn_s *connptr, hashmap_t hashofheaders)
return NULL;
}
ret =
sscanf(connptr->request_line, "%[^ ] %[^ ] %[^ ]",
request->method, url, request->protocol);
if (ret < 2) {
ret = sscanf(connptr->request_line, "%[^ ] %[^ ] %[^ ]",
request->method, url, request->protocol);
if (ret == 2 && !strcasecmp(request->method, "GET")) {
request->protocol[0] = 0;
/* Indicate that this is a HTTP/0.9 GET request */
connptr->protocol.major = 0;
connptr->protocol.minor = 9;
} else if (ret == 3 && !strncasecmp(request->protocol, "HTTP/", 5)) {
/*
* Break apart the protocol and update the connection
* structure.
*/
ret = sscanf(request->protocol + 5, "%u.%u",
&connptr->protocol.major,
&connptr->protocol.minor);
/*
* If the conversion doesn't succeed, drop down below and
* send the error to the user.
*/
if (ret != 2)
goto BAD_REQUEST_ERROR;
} else {
BAD_REQUEST_ERROR:
log_message(LOG_ERR,
"process_request: Bad Request on file descriptor %d",
connptr->client_fd);
@ -646,13 +667,7 @@ process_request(struct conn_s *connptr, hashmap_t hashofheaders)
free_request_struct(request);
return NULL;
} else if (ret == 2)
request->protocol[0] = 0;
/*
* FIXME: We need to add code for the simple HTTP/0.9 style GET
* request.
*/
}
if (!url) {
log_message(LOG_ERR,
@ -903,15 +918,6 @@ process_request(struct conn_s *connptr, hashmap_t hashofheaders)
return NULL;
}
/*
* Break apart the protocol and update the connection structure.
*/
if (strncasecmp(request->protocol, "http", 4) == 0) {
memcpy(request->protocol, "HTTP", 4);
sscanf(request->protocol, "HTTP/%u.%u",
&connptr->protocol.major, &connptr->protocol.minor);
}
return request;
}
@ -1329,8 +1335,6 @@ process_server_headers(struct conn_s *connptr)
struct reversepath *reverse = config.reversepath_list;
#endif
/* FIXME: Remember to handle a "simple_req" type */
/* Get the response line from the remote server. */
retry:
len = readline(connptr->server_fd, &response_line);
@ -1370,11 +1374,24 @@ process_server_headers(struct conn_s *connptr)
return -1;
}
/*
* At this point we've received the response line and all the
* headers. However, if this is a simple HTTP/0.9 request we
* CAN NOT send any of that information back to the client.
* Instead we'll free all the memory and return.
*/
if (connptr->protocol.major < 1) {
hashmap_delete(hashofheaders);
safefree(response_line);
return 0;
}
/* Send the saved response line first */
ret = write_message(connptr->client_fd, "%s\r\n", response_line);
safefree(response_line);
if (ret < 0)
goto ERROR_EXIT;
ret = write_message(connptr->client_fd, "%s\r\n", response_line);
safefree(response_line);
if (ret < 0)
goto ERROR_EXIT;
/*
* If there is a "Content-Length" header, retrieve the information
@ -1774,15 +1791,15 @@ handle_connection(int fd)
send_error:
free_request_struct(request);
if (process_client_headers(connptr, hashofheaders) < 0) {
update_stats(STAT_BADCONN);
if (!connptr->error_variables) {
hashmap_delete(hashofheaders);
destroy_conn(connptr);
return;
}
}
hashmap_delete(hashofheaders);
if (process_client_headers(connptr, hashofheaders) < 0) {
update_stats(STAT_BADCONN);
if (!connptr->error_variables) {
hashmap_delete(hashofheaders);
destroy_conn(connptr);
return;
}
}
hashmap_delete(hashofheaders);
if (connptr->error_variables) {
send_http_error_message(connptr);