Kaynağa Gözat

Removing because of conflict with new HTTP protocol

tags/v0.9.3
Derek Pryor 18 yıl önce
ebeveyn
işleme
3b45f05be4
1 değiştirilmiş dosya ile 0 ekleme ve 173 silme
  1. 0
    173
      src/proto/http.c

+ 0
- 173
src/proto/http.c Dosyayı Görüntüle

@@ -1,173 +0,0 @@
1
-#include "proto.h"
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-#include "old_tcp.h"
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-#include "url.h"
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-#include "etherboot.h"
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-
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-/* The block size is currently chosen to be 512 bytes. This means, we can
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-   allocate the receive buffer on the stack, but it results in a noticeable
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-   performance penalty.
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-   This is what needs to be done in order to increase the block size:
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-     - size negotiation needs to be implemented in TCP
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-     - the buffer needs to be allocated on the heap
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-     - path MTU discovery needs to be implemented
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-*/ /***/ /* FIXME */
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-#define BLOCKSIZE TFTP_DEFAULTSIZE_PACKET
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-
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-/**************************************************************************
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-SEND_TCP_CALLBACK - Send data using TCP
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-**************************************************************************/
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-struct send_recv_state {
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-	struct buffer *recv_buffer;
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-	char *send_buffer;
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-	int send_length;
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-	int bytes_sent;
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-	int bytes_received;
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-	enum { RESULT_CODE, HEADER, DATA, ERROR, MOVED } recv_state;
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-	int rc;
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-	char *url;
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-};
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-
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-static int send_tcp_request(int length, void *buffer, void *ptr) {
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-	struct send_recv_state *state = (struct send_recv_state *)ptr;
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-
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-	if (length > state->send_length - state->bytes_sent)
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-		length = state->send_length - state->bytes_sent;
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-	memcpy(buffer, state->send_buffer + state->bytes_sent, length);
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-	state->bytes_sent += length;
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-	return (length);
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-}
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-
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-/**************************************************************************
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-RECV_TCP_CALLBACK - Receive data using TCP
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-**************************************************************************/
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-static int recv_tcp_request(int length, const void *data, void *ptr) {
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-	struct send_recv_state *state = (struct send_recv_state *)ptr;
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-	const char *buffer = data;
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-
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-	/* Assume that the lines in an HTTP header do not straddle a packet */
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-	/* boundary. This is probably a reasonable assumption */
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-	if (state->recv_state == RESULT_CODE) {
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-		while (length > 0) {
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-			/* Find HTTP result code */
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-			if (*buffer == ' ') {
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-				const char *ptr = buffer + 1;
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-				int rc = strtoul(ptr, &ptr, 10);
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-				if (ptr >= buffer + length) {
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-					state->recv_state = ERROR;
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-					DBG ( "HTTP got bad result code\n" );
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-					return 0;
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-				}
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-				state->rc = rc;
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-				state->recv_state = HEADER;
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-				DBG ( "HTTP got result code %d\n", rc );
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-				goto header;
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-			}
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-			++buffer;
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-			length--;
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-		}
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-		state->recv_state = ERROR;
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-		DBG ( "HTTP got no result code\n" );
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-		return 0;
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-	}
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-	if (state->recv_state == HEADER) {
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-	header: while (length > 0) {
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-			/* Check for HTTP redirect */
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-			if (state->rc >= 300 && state->rc < 400 &&
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-			    !memcmp(buffer, "Location: ", 10)) {
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-				char *p;
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-				
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-				state->url = p = ( char * ) buffer + 10;
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-				while ( *p > ' ' ) {
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-					p++;
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-				}
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-				*p = '\0';
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-				state->recv_state = MOVED;
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-				DBG ( "HTTP got redirect to %s\n",
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-				      state->url );
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-				return 1;
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-			}
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-			/* Find beginning of line */
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-			while (length > 0) {
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-				length--;
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-				if (*buffer++ == '\n')
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-					break;
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-			}
95
-			/* Check for end of header */
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-			if (length >= 2 && !memcmp(buffer, "\r\n", 2)) {
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-				state->recv_state = DATA;
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-				buffer += 2;
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-				length -= 2;
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-				break;
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-			}
102
-		}
103
-	}
104
-	if (state->recv_state == DATA) {
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-		DBG2 ( "HTTP received %d bytes\n", length );
106
-		if ( ! fill_buffer ( state->recv_buffer, buffer,
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-				     state->bytes_received, length ) )
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-			return 0;
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-		state->bytes_received += length;
110
-	}
111
-	return 1;
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-}
113
-
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-/**************************************************************************
115
-HTTP_GET - Get data using HTTP
116
-**************************************************************************/
117
-static int http ( char *url, struct sockaddr_in *server __unused,
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-		  char *file __unused, struct buffer *buffer ) {
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-	struct protocol *proto;
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-	struct sockaddr_in http_server = *server;
121
-	char *filename;
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-	static const char GET[] = "GET /%s HTTP/1.0\r\n\r\n";
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-	struct send_recv_state state;
124
-	int length;
125
-
126
-	state.rc = -1;
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-	state.url = url;
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-	state.recv_buffer = buffer;
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-	while ( 1 ) {
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-		length = strlen ( filename ) + strlen ( GET );
131
-		{
132
-			char send_buf[length];
133
-
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-			sprintf ( send_buf, GET, filename );
135
-			state.send_buffer = send_buf;
136
-			state.send_length = strlen ( send_buf );
137
-			state.bytes_sent = 0;
138
-			
139
-			state.bytes_received = 0;
140
-			state.recv_state = RESULT_CODE;
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-			
142
-			tcp_transaction ( server->sin_addr.s_addr,
143
-					  server->sin_port, &state,
144
-					  send_tcp_request, (int (*)(int, const void *, void *))recv_tcp_request );
145
-		}
146
-
147
-		if ( state.recv_state == MOVED ) {
148
-			if ( ! parse_url ( state.url, &proto,
149
-					   &http_server, &filename ) ) {
150
-				printf ( "Invalid redirect URL %s\n",
151
-					 state.url );
152
-				return 0;
153
-			}
154
-			continue;
155
-		}
156
-		
157
-		break;
158
-	}
159
-
160
-	if ( state.rc != 200 ) {
161
-		printf ( "Failed to download %s (rc = %d)\n",
162
-			 state.url, state.rc );
163
-		return 0;
164
-	}
165
-
166
-	return 1;
167
-}
168
-
169
-struct protocol http_protocol __protocol = {
170
-	.name = "http",
171
-	.default_port = 80,
172
-	.load = http,
173
-};

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