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r12964@catbus: nickm | 2007-05-25 14:49:23 -0400

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hack to make reverse lookups work with dnsport.  note that it is a hack. note some trouble spots.


svn:r10332
This commit is contained in:
Nick Mathewson 2007-05-25 18:49:26 +00:00
parent ce59d5a632
commit 368eb6a97a
1 changed files with 25 additions and 9 deletions
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22
src/or/connection_edge.c
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@ -1209,9 +1209,11 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn,
if (socks->command == SOCKS_COMMAND_RESOLVE_PTR) { if (socks->command == SOCKS_COMMAND_RESOLVE_PTR) {
if (addressmap_rewrite_reverse(socks->address, sizeof(socks->address))) { if (addressmap_rewrite_reverse(socks->address, sizeof(socks->address))) {
char *result = tor_strdup(socks->address);
/* remember _what_ is supposed to have been resolved. */
strlcpy(socks->address, orig_address, sizeof(socks->address));
connection_ap_handshake_socks_resolved(conn, RESOLVED_TYPE_HOSTNAME, connection_ap_handshake_socks_resolved(conn, RESOLVED_TYPE_HOSTNAME,
strlen(socks->address), strlen(result), result, -1);
socks->address, -1);
connection_mark_unattached_ap(conn, connection_mark_unattached_ap(conn,
END_STREAM_REASON_DONE | END_STREAM_REASON_DONE |
END_STREAM_REASON_FLAG_ALREADY_SOCKS_REPLIED); END_STREAM_REASON_FLAG_ALREADY_SOCKS_REPLIED);
@ -1363,7 +1365,7 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn,
conn, circ, cpath) < 0) || conn, circ, cpath) < 0) ||
(!circ && (!circ &&
connection_ap_handshake_attach_circuit(conn) < 0)) { connection_ap_handshake_attach_circuit(conn) < 0)) {
connection_mark_unattached_ap(conn, END_STREAM_REASON_CANT_ATTACH); connection_mark_unattached_ap(conn, END_STREAM_REASON_CANT_ATTACH);//xxxdup
return -1; return -1;
} }
return 0; return 0;
@ -1847,16 +1849,30 @@ connection_ap_handshake_send_resolve(edge_connection_t *ap_conn)
} else { } else {
struct in_addr in; struct in_addr in;
uint32_t a; uint32_t a;
size_t len = strlen(ap_conn->socks_request->address);
char c = 0;
if (!strcasecmpend(ap_conn->socks_request->address, ".in-addr.arpa")) {
c = ap_conn->socks_request->address[len-13];
ap_conn->socks_request->address[len-13] = '\0';
}
if (tor_inet_aton(ap_conn->socks_request->address, &in) == 0) { if (tor_inet_aton(ap_conn->socks_request->address, &in) == 0) {
connection_mark_unattached_ap(ap_conn, END_STREAM_REASON_INTERNAL); connection_mark_unattached_ap(ap_conn, END_STREAM_REASON_INTERNAL);
return -1; return -1;
} }
/* DOCDOC */
if (c) {
/* this path happens on DNS. Can we unify? XXXX020 */
ap_conn->socks_request->address[len-13] = c;
strlcpy(inaddr_buf, ap_conn->socks_request->address, sizeof(inaddr_buf));
} else {
/* this path happens on tor-resolve. Can we unify? XXXX020 */
a = ntohl(in.s_addr); a = ntohl(in.s_addr);
tor_snprintf(inaddr_buf, sizeof(inaddr_buf), "%d.%d.%d.%d.in-addr.arpa", tor_snprintf(inaddr_buf, sizeof(inaddr_buf), "%d.%d.%d.%d.in-addr.arpa",
(int)(uint8_t)((a )&0xff), (int)(uint8_t)((a )&0xff),
(int)(uint8_t)((a>>8 )&0xff), (int)(uint8_t)((a>>8 )&0xff),
(int)(uint8_t)((a>>16)&0xff), (int)(uint8_t)((a>>16)&0xff),
(int)(uint8_t)((a>>24)&0xff)); (int)(uint8_t)((a>>24)&0xff));
}
string_addr = inaddr_buf; string_addr = inaddr_buf;
payload_len = strlen(inaddr_buf)+1; payload_len = strlen(inaddr_buf)+1;
tor_assert(payload_len <= RELAY_PAYLOAD_SIZE); tor_assert(payload_len <= RELAY_PAYLOAD_SIZE);