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Run Coccinelle for control.c refactor

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This commit is contained in:
Taylor Yu 2019-04-10 17:04:09 -05:00
parent 58ec88e806
commit 983452e221
5 changed files with 106 additions and 121 deletions
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8
src/feature/control/control.c
View File

@ -401,7 +401,7 @@ connection_control_process_inbuf(control_connection_t *conn)
return 0; return 0;
else if (r == -1) { else if (r == -1) {
if (data_len + conn->incoming_cmd_cur_len > MAX_COMMAND_LINE_LENGTH) { if (data_len + conn->incoming_cmd_cur_len > MAX_COMMAND_LINE_LENGTH) {
connection_write_str_to_buf("500 Line too long.\r\n", conn); control_write_endreply(conn, 500, "Line too long.");
connection_stop_reading(TO_CONN(conn)); connection_stop_reading(TO_CONN(conn));
connection_mark_and_flush(TO_CONN(conn)); connection_mark_and_flush(TO_CONN(conn));
} }
@ -455,20 +455,20 @@ connection_control_process_inbuf(control_connection_t *conn)
/* Otherwise, Quit is always valid. */ /* Otherwise, Quit is always valid. */
if (!strcasecmp(conn->current_cmd, "QUIT")) { if (!strcasecmp(conn->current_cmd, "QUIT")) {
connection_write_str_to_buf("250 closing connection\r\n", conn); control_write_endreply(conn, 250, "closing connection");
connection_mark_and_flush(TO_CONN(conn)); connection_mark_and_flush(TO_CONN(conn));
return 0; return 0;
} }
if (conn->base_.state == CONTROL_CONN_STATE_NEEDAUTH && if (conn->base_.state == CONTROL_CONN_STATE_NEEDAUTH &&
!is_valid_initial_command(conn, conn->current_cmd)) { !is_valid_initial_command(conn, conn->current_cmd)) {
connection_write_str_to_buf("514 Authentication required.\r\n", conn); control_write_endreply(conn, 514, "Authentication required.");
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
return 0; return 0;
} }
if (data_len >= UINT32_MAX) { if (data_len >= UINT32_MAX) {
connection_write_str_to_buf("500 A 4GB command? Nice try.\r\n", conn); control_write_endreply(conn, 500, "A 4GB command? Nice try.");
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
return 0; return 0;
} }

38
src/feature/control/control_auth.c
View File

@ -141,27 +141,26 @@ handle_control_authchallenge(control_connection_t *conn,
char server_nonce_encoded[(2*SAFECOOKIE_SERVER_NONCE_LEN) + 1]; char server_nonce_encoded[(2*SAFECOOKIE_SERVER_NONCE_LEN) + 1];
if (strcasecmp(smartlist_get(args->args, 0), "SAFECOOKIE")) { if (strcasecmp(smartlist_get(args->args, 0), "SAFECOOKIE")) {
connection_write_str_to_buf("513 AUTHCHALLENGE only supports SAFECOOKIE " control_write_endreply(conn, 513,
"authentication\r\n", conn); "AUTHCHALLENGE only supports SAFECOOKIE " "authentication");
goto fail; goto fail;
} }
if (!authentication_cookie_is_set) { if (!authentication_cookie_is_set) {
connection_write_str_to_buf("515 Cookie authentication is disabled\r\n", control_write_endreply(conn, 515, "Cookie authentication is disabled");
conn);
goto fail; goto fail;
} }
if (args->kwargs == NULL || args->kwargs->next != NULL) { if (args->kwargs == NULL || args->kwargs->next != NULL) {
/* connection_write_str_to_buf("512 AUTHCHALLENGE requires exactly " /* connection_write_str_to_buf("512 AUTHCHALLENGE requires exactly "
"2 arguments.\r\n", conn); "2 arguments.\r\n", conn);
*/ */
connection_printf_to_buf(conn, control_printf_endreply(conn, 512,
"512 AUTHCHALLENGE dislikes argument list %s\r\n", "AUTHCHALLENGE dislikes argument list %s",
escaped(args->raw_body)); escaped(args->raw_body));
goto fail; goto fail;
} }
if (strcmp(args->kwargs->key, "")) { if (strcmp(args->kwargs->key, "")) {
connection_write_str_to_buf("512 AUTHCHALLENGE does not accept keyword " control_write_endreply(conn, 512,
"arguments.\r\n", conn); "AUTHCHALLENGE does not accept keyword " "arguments.");
goto fail; goto fail;
} }
@ -177,8 +176,7 @@ handle_control_authchallenge(control_connection_t *conn,
client_nonce = tor_malloc(client_nonce_len); client_nonce = tor_malloc(client_nonce_len);
if (base16_decode(client_nonce, client_nonce_len, hex_nonce, if (base16_decode(client_nonce, client_nonce_len, hex_nonce,
strlen(hex_nonce)) != (int)client_nonce_len) { strlen(hex_nonce)) != (int)client_nonce_len) {
connection_write_str_to_buf("513 Invalid base16 client nonce\r\n", control_write_endreply(conn, 513, "Invalid base16 client nonce");
conn);
tor_free(client_nonce); tor_free(client_nonce);
goto fail; goto fail;
} }
@ -223,9 +221,8 @@ handle_control_authchallenge(control_connection_t *conn,
base16_encode(server_nonce_encoded, sizeof(server_nonce_encoded), base16_encode(server_nonce_encoded, sizeof(server_nonce_encoded),
server_nonce, sizeof(server_nonce)); server_nonce, sizeof(server_nonce));
connection_printf_to_buf(conn, control_printf_endreply(conn, 250,
"250 AUTHCHALLENGE SERVERHASH=%s " "AUTHCHALLENGE SERVERHASH=%s " "SERVERNONCE=%s",
"SERVERNONCE=%s\r\n",
server_hash_encoded, server_hash_encoded,
server_nonce_encoded); server_nonce_encoded);
@ -263,13 +260,12 @@ handle_control_authenticate(control_connection_t *conn,
password = tor_strdup(""); password = tor_strdup("");
password_len = 0; password_len = 0;
} else if (args->kwargs->next) { } else if (args->kwargs->next) {
connection_write_str_to_buf( control_write_endreply(conn, 512, "Too many arguments to AUTHENTICATE.");
"512 Too many arguments to AUTHENTICATE.\r\n", conn);
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
return 0; return 0;
} else if (strcmp(args->kwargs->key, "")) { } else if (strcmp(args->kwargs->key, "")) {
connection_write_str_to_buf( control_write_endreply(conn, 512,
"512 AUTHENTICATE does not accept keyword arguments.\r\n", conn); "AUTHENTICATE does not accept keyword arguments.");
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
return 0; return 0;
} else if (strchr(args->raw_body, '\"')) { } else if (strchr(args->raw_body, '\"')) {
@ -282,10 +278,8 @@ handle_control_authenticate(control_connection_t *conn,
password = tor_malloc(password_len+1); password = tor_malloc(password_len+1);
if (base16_decode(password, password_len+1, hex_passwd, strlen(hex_passwd)) if (base16_decode(password, password_len+1, hex_passwd, strlen(hex_passwd))
!= (int) password_len) { != (int) password_len) {
connection_write_str_to_buf( control_write_endreply(conn, 551,
"551 Invalid hexadecimal encoding. Maybe you tried a plain text " "Invalid hexadecimal encoding. Maybe you tried a plain text " "password? If so, the standard requires that you put it in " "double quotes.");
"password? If so, the standard requires that you put it in "
"double quotes.\r\n", conn);
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
tor_free(password); tor_free(password);
return 0; return 0;
@ -418,7 +412,7 @@ handle_control_authenticate(control_connection_t *conn,
err: err:
tor_free(password); tor_free(password);
connection_printf_to_buf(conn, "515 Authentication failed: %s\r\n", errstr); control_printf_endreply(conn, 515, "Authentication failed: %s", errstr);
connection_mark_for_close(TO_CONN(conn)); connection_mark_for_close(TO_CONN(conn));
if (sl) { /* clean up */ if (sl) { /* clean up */
SMARTLIST_FOREACH(sl, char *, str, tor_free(str)); SMARTLIST_FOREACH(sl, char *, str, tor_free(str));

164
src/feature/control/control_cmd.c
View File

@ -319,11 +319,11 @@ handle_control_getconf(control_connection_t *conn,
if ((len = smartlist_len(unrecognized))) { if ((len = smartlist_len(unrecognized))) {
for (i=0; i < len-1; ++i) for (i=0; i < len-1; ++i)
connection_printf_to_buf(conn, control_printf_midreply(conn, 552,
"552-Unrecognized configuration key \"%s\"\r\n", "Unrecognized configuration key \"%s\"",
(char*)smartlist_get(unrecognized, i)); (char*)smartlist_get(unrecognized, i));
connection_printf_to_buf(conn, control_printf_endreply(conn, 552,
"552 Unrecognized configuration key \"%s\"\r\n", "Unrecognized configuration key \"%s\"",
(char*)smartlist_get(unrecognized, len-1)); (char*)smartlist_get(unrecognized, len-1));
} else if ((len = smartlist_len(answers))) { } else if ((len = smartlist_len(answers))) {
char *tmp = smartlist_get(answers, len-1); char *tmp = smartlist_get(answers, len-1);
@ -332,7 +332,7 @@ handle_control_getconf(control_connection_t *conn,
msg = smartlist_join_strings(answers, "", 0, &msg_len); msg = smartlist_join_strings(answers, "", 0, &msg_len);
connection_buf_add(msg, msg_len, TO_CONN(conn)); connection_buf_add(msg, msg_len, TO_CONN(conn));
} else { } else {
connection_write_str_to_buf("250 OK\r\n", conn); send_control_done(conn);
} }
SMARTLIST_FOREACH(answers, char *, cp, tor_free(cp)); SMARTLIST_FOREACH(answers, char *, cp, tor_free(cp));
@ -424,7 +424,7 @@ handle_control_setevents(control_connection_t *conn,
} }
if (event_code == -1) { if (event_code == -1) {
connection_printf_to_buf(conn, "552 Unrecognized event \"%s\"\r\n", control_printf_endreply(conn, 552, "Unrecognized event \"%s\"",
ev); ev);
return 0; return 0;
} }
@ -455,8 +455,8 @@ handle_control_saveconf(control_connection_t *conn,
bool force = config_lines_contain_flag(args->kwargs, "FORCE"); bool force = config_lines_contain_flag(args->kwargs, "FORCE");
const or_options_t *options = get_options(); const or_options_t *options = get_options();
if ((!force && options->IncludeUsed) || options_save_current() < 0) { if ((!force && options->IncludeUsed) || options_save_current() < 0) {
connection_write_str_to_buf( control_write_endreply(conn, 551,
"551 Unable to write configuration to disk.\r\n", conn); "Unable to write configuration to disk.");
} else { } else {
send_control_done(conn); send_control_done(conn);
} }
@ -489,7 +489,7 @@ handle_control_signal(control_connection_t *conn,
} }
if (sig < 0) if (sig < 0)
connection_printf_to_buf(conn, "552 Unrecognized signal code \"%s\"\r\n", control_printf_endreply(conn, 552, "Unrecognized signal code \"%s\"",
s); s);
if (sig < 0) if (sig < 0)
return 0; return 0;
@ -776,7 +776,7 @@ handle_control_extendcircuit(control_connection_t *conn,
if (purpose_line) { if (purpose_line) {
intended_purpose = circuit_purpose_from_string(purpose_line->value); intended_purpose = circuit_purpose_from_string(purpose_line->value);
if (intended_purpose == CIRCUIT_PURPOSE_UNKNOWN) { if (intended_purpose == CIRCUIT_PURPOSE_UNKNOWN) {
connection_printf_to_buf(conn, "552 Unknown purpose \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown purpose \"%s\"",
purpose_line->value); purpose_line->value);
goto done; goto done;
} }
@ -787,9 +787,9 @@ handle_control_extendcircuit(control_connection_t *conn,
// "EXTENDCIRCUIT 0" with no path. // "EXTENDCIRCUIT 0" with no path.
circ = circuit_launch(intended_purpose, CIRCLAUNCH_NEED_CAPACITY); circ = circuit_launch(intended_purpose, CIRCLAUNCH_NEED_CAPACITY);
if (!circ) { if (!circ) {
connection_write_str_to_buf("551 Couldn't start circuit\r\n", conn); control_write_endreply(conn, 551, "Couldn't start circuit");
} else { } else {
connection_printf_to_buf(conn, "250 EXTENDED %lu\r\n", control_printf_endreply(conn, 250, "EXTENDED %lu",
(unsigned long)circ->global_identifier); (unsigned long)circ->global_identifier);
} }
goto done; goto done;
@ -797,12 +797,12 @@ handle_control_extendcircuit(control_connection_t *conn,
} }
if (!zero_circ && !(circ = get_circ(circ_id))) { if (!zero_circ && !(circ = get_circ(circ_id))) {
connection_printf_to_buf(conn, "552 Unknown circuit \"%s\"\r\n", circ_id); control_printf_endreply(conn, 552, "Unknown circuit \"%s\"", circ_id);
goto done; goto done;
} }
if (!path_str) { if (!path_str) {
connection_printf_to_buf(conn, "512 syntax error: path required.\r\n"); control_write_endreply(conn, 512, "syntax error: path required.");
goto done; goto done;
} }
@ -813,11 +813,11 @@ handle_control_extendcircuit(control_connection_t *conn,
SMARTLIST_FOREACH_BEGIN(router_nicknames, const char *, n) { SMARTLIST_FOREACH_BEGIN(router_nicknames, const char *, n) {
const node_t *node = node_get_by_nickname(n, 0); const node_t *node = node_get_by_nickname(n, 0);
if (!node) { if (!node) {
connection_printf_to_buf(conn, "552 No such router \"%s\"\r\n", n); control_printf_endreply(conn, 552, "No such router \"%s\"", n);
goto done; goto done;
} }
if (!node_has_preferred_descriptor(node, first_node)) { if (!node_has_preferred_descriptor(node, first_node)) {
connection_printf_to_buf(conn, "552 No descriptor for \"%s\"\r\n", n); control_printf_endreply(conn, 552, "No descriptor for \"%s\"", n);
goto done; goto done;
} }
smartlist_add(nodes, (void*)node); smartlist_add(nodes, (void*)node);
@ -825,7 +825,7 @@ handle_control_extendcircuit(control_connection_t *conn,
} SMARTLIST_FOREACH_END(n); } SMARTLIST_FOREACH_END(n);
if (!smartlist_len(nodes)) { if (!smartlist_len(nodes)) {
connection_write_str_to_buf("512 No router names provided\r\n", conn); control_write_endreply(conn, 512, "No router names provided");
goto done; goto done;
} }
@ -863,7 +863,7 @@ handle_control_extendcircuit(control_connection_t *conn,
int err_reason = 0; int err_reason = 0;
if ((err_reason = circuit_handle_first_hop(circ)) < 0) { if ((err_reason = circuit_handle_first_hop(circ)) < 0) {
circuit_mark_for_close(TO_CIRCUIT(circ), -err_reason); circuit_mark_for_close(TO_CIRCUIT(circ), -err_reason);
connection_write_str_to_buf("551 Couldn't start circuit\r\n", conn); control_write_endreply(conn, 551, "Couldn't start circuit");
goto done; goto done;
} }
} else { } else {
@ -875,13 +875,13 @@ handle_control_extendcircuit(control_connection_t *conn,
log_info(LD_CONTROL, log_info(LD_CONTROL,
"send_next_onion_skin failed; circuit marked for closing."); "send_next_onion_skin failed; circuit marked for closing.");
circuit_mark_for_close(TO_CIRCUIT(circ), -err_reason); circuit_mark_for_close(TO_CIRCUIT(circ), -err_reason);
connection_write_str_to_buf("551 Couldn't send onion skin\r\n", conn); control_write_endreply(conn, 551, "Couldn't send onion skin");
goto done; goto done;
} }
} }
} }
connection_printf_to_buf(conn, "250 EXTENDED %lu\r\n", control_printf_endreply(conn, 250, "EXTENDED %lu",
(unsigned long)circ->global_identifier); (unsigned long)circ->global_identifier);
if (zero_circ) /* send a 'launched' event, for completeness */ if (zero_circ) /* send a 'launched' event, for completeness */
circuit_event_status(circ, CIRC_EVENT_LAUNCHED, 0); circuit_event_status(circ, CIRC_EVENT_LAUNCHED, 0);
@ -909,26 +909,26 @@ handle_control_setcircuitpurpose(control_connection_t *conn,
const char *circ_id = smartlist_get(args->args,0); const char *circ_id = smartlist_get(args->args,0);
if (!(circ = get_circ(circ_id))) { if (!(circ = get_circ(circ_id))) {
connection_printf_to_buf(conn, "552 Unknown circuit \"%s\"\r\n", circ_id); control_printf_endreply(conn, 552, "Unknown circuit \"%s\"", circ_id);
goto done; goto done;
} }
{ {
const config_line_t *purp = config_line_find_case(args->kwargs, "PURPOSE"); const config_line_t *purp = config_line_find_case(args->kwargs, "PURPOSE");
if (!purp) { if (!purp) {
connection_write_str_to_buf("552 No purpose given\r\n", conn); control_write_endreply(conn, 552, "No purpose given");
goto done; goto done;
} }
new_purpose = circuit_purpose_from_string(purp->value); new_purpose = circuit_purpose_from_string(purp->value);
if (new_purpose == CIRCUIT_PURPOSE_UNKNOWN) { if (new_purpose == CIRCUIT_PURPOSE_UNKNOWN) {
connection_printf_to_buf(conn, "552 Unknown purpose \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown purpose \"%s\"",
purp->value); purp->value);
goto done; goto done;
} }
} }
circuit_change_purpose(TO_CIRCUIT(circ), new_purpose); circuit_change_purpose(TO_CIRCUIT(circ), new_purpose);
connection_write_str_to_buf("250 OK\r\n", conn); send_control_done(conn);
done: done:
return 0; return 0;
@ -959,17 +959,17 @@ handle_control_attachstream(control_connection_t *conn,
const config_line_t *hoparg = config_line_find_case(args->kwargs, "HOP"); const config_line_t *hoparg = config_line_find_case(args->kwargs, "HOP");
if (!(ap_conn = get_stream(stream_id))) { if (!(ap_conn = get_stream(stream_id))) {
connection_printf_to_buf(conn, "552 Unknown stream \"%s\"\r\n", stream_id); control_printf_endreply(conn, 552, "Unknown stream \"%s\"", stream_id);
return 0; return 0;
} else if (!zero_circ && !(circ = get_circ(circ_id))) { } else if (!zero_circ && !(circ = get_circ(circ_id))) {
connection_printf_to_buf(conn, "552 Unknown circuit \"%s\"\r\n", circ_id); control_printf_endreply(conn, 552, "Unknown circuit \"%s\"", circ_id);
return 0; return 0;
} else if (circ) { } else if (circ) {
if (hoparg) { if (hoparg) {
hop = (int) tor_parse_ulong(hoparg->value, 10, 0, INT_MAX, hop = (int) tor_parse_ulong(hoparg->value, 10, 0, INT_MAX,
&hop_line_ok, NULL); &hop_line_ok, NULL);
if (!hop_line_ok) { /* broken hop line */ if (!hop_line_ok) { /* broken hop line */
connection_printf_to_buf(conn, "552 Bad value hop=%s\r\n", control_printf_endreply(conn, 552, "Bad value hop=%s",
hoparg->value); hoparg->value);
return 0; return 0;
} }
@ -979,9 +979,8 @@ handle_control_attachstream(control_connection_t *conn,
if (ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_CONTROLLER_WAIT && if (ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_CONTROLLER_WAIT &&
ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_CONNECT_WAIT && ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_CONNECT_WAIT &&
ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_RESOLVE_WAIT) { ENTRY_TO_CONN(ap_conn)->state != AP_CONN_STATE_RESOLVE_WAIT) {
connection_write_str_to_buf( control_write_endreply(conn, 555,
"555 Connection is not managed by controller.\r\n", "Connection is not managed by controller.");
conn);
return 0; return 0;
} }
@ -1000,15 +999,14 @@ handle_control_attachstream(control_connection_t *conn,
} }
if (circ && (circ->base_.state != CIRCUIT_STATE_OPEN)) { if (circ && (circ->base_.state != CIRCUIT_STATE_OPEN)) {
connection_write_str_to_buf( control_write_endreply(conn, 551,
"551 Can't attach stream to non-open origin circuit\r\n", "Can't attach stream to non-open origin circuit");
conn);
return 0; return 0;
} }
/* Is this a single hop circuit? */ /* Is this a single hop circuit? */
if (circ && (circuit_get_cpath_len(circ)<2 || hop==1)) { if (circ && (circuit_get_cpath_len(circ)<2 || hop==1)) {
connection_write_str_to_buf( control_write_endreply(conn, 551,
"551 Can't attach stream to this one-hop circuit.\r\n", conn); "Can't attach stream to this one-hop circuit.");
return 0; return 0;
} }
@ -1016,13 +1014,12 @@ handle_control_attachstream(control_connection_t *conn,
/* find this hop in the circuit, and set cpath */ /* find this hop in the circuit, and set cpath */
cpath = circuit_get_cpath_hop(circ, hop); cpath = circuit_get_cpath_hop(circ, hop);
if (!cpath) { if (!cpath) {
connection_printf_to_buf(conn, control_printf_endreply(conn, 551, "Circuit doesn't have %d hops.", hop);
"551 Circuit doesn't have %d hops.\r\n", hop);
return 0; return 0;
} }
} }
if (connection_ap_handshake_rewrite_and_attach(ap_conn, circ, cpath) < 0) { if (connection_ap_handshake_rewrite_and_attach(ap_conn, circ, cpath) < 0) {
connection_write_str_to_buf("551 Unable to attach stream\r\n", conn); control_write_endreply(conn, 551, "Unable to attach stream");
return 0; return 0;
} }
send_control_done(conn); send_control_done(conn);
@ -1054,7 +1051,7 @@ handle_control_postdescriptor(control_connection_t *conn,
line = config_line_find_case(args->kwargs, "purpose"); line = config_line_find_case(args->kwargs, "purpose");
if (line) { if (line) {
purpose = router_purpose_from_string(line->value); purpose = router_purpose_from_string(line->value);
connection_printf_to_buf(conn, "552 Unknown purpose \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown purpose \"%s\"",
line->value); line->value);
goto done; goto done;
} }
@ -1065,7 +1062,7 @@ handle_control_postdescriptor(control_connection_t *conn,
else if (!strcasecmp(line->value, "yes")) else if (!strcasecmp(line->value, "yes"))
cache = 1; cache = 1;
else { else {
connection_printf_to_buf(conn, "552 Unknown cache request \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown cache request \"%s\"",
line->value); line->value);
goto done; goto done;
} }
@ -1074,11 +1071,11 @@ handle_control_postdescriptor(control_connection_t *conn,
switch (router_load_single_router(args->cmddata, purpose, cache, &msg)) { switch (router_load_single_router(args->cmddata, purpose, cache, &msg)) {
case -1: case -1:
if (!msg) msg = "Could not parse descriptor"; if (!msg) msg = "Could not parse descriptor";
connection_printf_to_buf(conn, "554 %s\r\n", msg); control_write_endreply(conn, 554, msg);
break; break;
case 0: case 0:
if (!msg) msg = "Descriptor not added"; if (!msg) msg = "Descriptor not added";
connection_printf_to_buf(conn, "251 %s\r\n",msg); control_write_endreply(conn, 251, msg);
break; break;
case 1: case 1:
send_control_done(conn); send_control_done(conn);
@ -1107,7 +1104,7 @@ handle_control_redirectstream(control_connection_t *conn,
if (!(ap_conn = get_stream(smartlist_get(args, 0))) if (!(ap_conn = get_stream(smartlist_get(args, 0)))
|| !ap_conn->socks_request) { || !ap_conn->socks_request) {
connection_printf_to_buf(conn, "552 Unknown stream \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown stream \"%s\"",
(char*)smartlist_get(args, 0)); (char*)smartlist_get(args, 0));
} else { } else {
int ok = 1; int ok = 1;
@ -1116,7 +1113,7 @@ handle_control_redirectstream(control_connection_t *conn,
10, 1, 65535, &ok, NULL); 10, 1, 65535, &ok, NULL);
} }
if (!ok) { if (!ok) {
connection_printf_to_buf(conn, "512 Cannot parse port \"%s\"\r\n", control_printf_endreply(conn, 512, "Cannot parse port \"%s\"",
(char*)smartlist_get(args, 2)); (char*)smartlist_get(args, 2));
} else { } else {
new_addr = tor_strdup(smartlist_get(args, 1)); new_addr = tor_strdup(smartlist_get(args, 1));
@ -1155,13 +1152,13 @@ handle_control_closestream(control_connection_t *conn,
tor_assert(smartlist_len(args) >= 2); tor_assert(smartlist_len(args) >= 2);
if (!(ap_conn = get_stream(smartlist_get(args, 0)))) if (!(ap_conn = get_stream(smartlist_get(args, 0))))
connection_printf_to_buf(conn, "552 Unknown stream \"%s\"\r\n", control_printf_endreply(conn, 552, "Unknown stream \"%s\"",
(char*)smartlist_get(args, 0)); (char*)smartlist_get(args, 0));
else { else {
reason = (uint8_t) tor_parse_ulong(smartlist_get(args,1), 10, 0, 255, reason = (uint8_t) tor_parse_ulong(smartlist_get(args,1), 10, 0, 255,
&ok, NULL); &ok, NULL);
if (!ok) { if (!ok) {
connection_printf_to_buf(conn, "552 Unrecognized reason \"%s\"\r\n", control_printf_endreply(conn, 552, "Unrecognized reason \"%s\"",
(char*)smartlist_get(args, 1)); (char*)smartlist_get(args, 1));
ap_conn = NULL; ap_conn = NULL;
} }
@ -1192,7 +1189,7 @@ handle_control_closecircuit(control_connection_t *conn,
origin_circuit_t *circ = NULL; origin_circuit_t *circ = NULL;
if (!(circ=get_circ(circ_id))) { if (!(circ=get_circ(circ_id))) {
connection_printf_to_buf(conn, "552 Unknown circuit \"%s\"\r\n", circ_id); control_printf_endreply(conn, 552, "Unknown circuit \"%s\"", circ_id);
return 0; return 0;
} }
@ -1277,7 +1274,7 @@ handle_control_protocolinfo(control_connection_t *conn,
} }
}); });
if (bad_arg) { if (bad_arg) {
connection_printf_to_buf(conn, "513 No such version %s\r\n", control_printf_endreply(conn, 513, "No such version %s",
escaped(bad_arg)); escaped(bad_arg));
/* Don't tolerate bad arguments when not authenticated. */ /* Don't tolerate bad arguments when not authenticated. */
if (!STATE_IS_OPEN(TO_CONN(conn)->state)) if (!STATE_IS_OPEN(TO_CONN(conn)->state))
@ -1342,7 +1339,7 @@ handle_control_usefeature(control_connection_t *conn,
else if (!strcasecmp(arg, "EXTENDED_EVENTS")) else if (!strcasecmp(arg, "EXTENDED_EVENTS"))
; ;
else { else {
connection_printf_to_buf(conn, "552 Unrecognized feature \"%s\"\r\n", control_printf_endreply(conn, 552, "Unrecognized feature \"%s\"",
arg); arg);
bad = 1; bad = 1;
break; break;
@ -1426,7 +1423,7 @@ handle_control_hsfetch(control_connection_t *conn,
version = HS_VERSION_THREE; version = HS_VERSION_THREE;
hs_parse_address(hsaddress, &v3_pk, NULL, NULL); hs_parse_address(hsaddress, &v3_pk, NULL, NULL);
} else { } else {
connection_printf_to_buf(conn, "513 Invalid argument \"%s\"\r\n", control_printf_endreply(conn, 513, "Invalid argument \"%s\"",
arg1); arg1);
goto done; goto done;
} }
@ -1437,7 +1434,7 @@ handle_control_hsfetch(control_connection_t *conn,
const node_t *node = node_get_by_hex_id(server, 0); const node_t *node = node_get_by_hex_id(server, 0);
if (!node) { if (!node) {
connection_printf_to_buf(conn, "552 Server \"%s\" not found\r\n", control_printf_endreply(conn, 552, "Server \"%s\" not found",
server); server);
goto done; goto done;
} }
@ -1456,7 +1453,7 @@ handle_control_hsfetch(control_connection_t *conn,
rend_query = rend_data_client_create(hsaddress, desc_id, NULL, rend_query = rend_data_client_create(hsaddress, desc_id, NULL,
REND_NO_AUTH); REND_NO_AUTH);
if (rend_query == NULL) { if (rend_query == NULL) {
connection_printf_to_buf(conn, "551 Error creating the HS query\r\n"); control_write_endreply(conn, 551, "Error creating the HS query");
goto done; goto done;
} }
} }
@ -1464,7 +1461,7 @@ handle_control_hsfetch(control_connection_t *conn,
/* Using a descriptor ID, we force the user to provide at least one /* Using a descriptor ID, we force the user to provide at least one
* hsdir server using the SERVER= option. */ * hsdir server using the SERVER= option. */
if (desc_id && (!hsdirs || !smartlist_len(hsdirs))) { if (desc_id && (!hsdirs || !smartlist_len(hsdirs))) {
connection_printf_to_buf(conn, "512 SERVER option is required\r\n"); control_write_endreply(conn, 512, "SERVER option is required");
goto done; goto done;
} }
@ -1516,7 +1513,7 @@ handle_control_hspost(control_connection_t *conn,
const node_t *node = node_get_by_hex_id(server, 0); const node_t *node = node_get_by_hex_id(server, 0);
if (!node || !node->rs) { if (!node || !node->rs) {
connection_printf_to_buf(conn, "552 Server \"%s\" not found\r\n", control_printf_endreply(conn, 552, "Server \"%s\" not found",
server); server);
goto done; goto done;
} }
@ -1527,7 +1524,7 @@ handle_control_hspost(control_connection_t *conn,
} else if (!strcasecmpstart(line->key, "HSADDRESS")) { } else if (!strcasecmpstart(line->key, "HSADDRESS")) {
const char *address = line->value; const char *address = line->value;
if (!hs_address_is_valid(address)) { if (!hs_address_is_valid(address)) {
connection_printf_to_buf(conn, "512 Malformed onion address\r\n"); control_write_endreply(conn, 512, "Malformed onion address");
goto done; goto done;
} }
onion_address = address; onion_address = address;
@ -1539,7 +1536,7 @@ handle_control_hspost(control_connection_t *conn,
/* Handle the v3 case. */ /* Handle the v3 case. */
if (onion_address) { if (onion_address) {
if (hs_control_hspost_command(encoded_desc, onion_address, hs_dirs) < 0) { if (hs_control_hspost_command(encoded_desc, onion_address, hs_dirs) < 0) {
connection_printf_to_buf(conn, "554 Invalid descriptor\r\n"); control_write_endreply(conn, 554, "Invalid descriptor");
} else { } else {
send_control_done(conn); send_control_done(conn);
} }
@ -1579,7 +1576,7 @@ handle_control_hspost(control_connection_t *conn,
rend_service_descriptor_free(parsed); rend_service_descriptor_free(parsed);
} else { } else {
connection_printf_to_buf(conn, "554 Invalid descriptor\r\n"); control_write_endreply(conn, 554, "Invalid descriptor");
} }
tor_free(intro_content); tor_free(intro_content);
@ -1685,7 +1682,7 @@ handle_control_add_onion(control_connection_t *conn,
rend_service_port_config_t *cfg = rend_service_port_config_t *cfg =
rend_service_parse_port_config(arg->value, ",", NULL); rend_service_parse_port_config(arg->value, ",", NULL);
if (!cfg) { if (!cfg) {
connection_printf_to_buf(conn, "512 Invalid VIRTPORT/TARGET\r\n"); control_write_endreply(conn, 512, "Invalid VIRTPORT/TARGET");
goto out; goto out;
} }
smartlist_add(port_cfgs, cfg); smartlist_add(port_cfgs, cfg);
@ -1694,7 +1691,7 @@ handle_control_add_onion(control_connection_t *conn,
int ok = 0; int ok = 0;
max_streams = (int)tor_parse_long(arg->value, 10, 0, 65535, &ok, NULL); max_streams = (int)tor_parse_long(arg->value, 10, 0, 65535, &ok, NULL);
if (!ok) { if (!ok) {
connection_printf_to_buf(conn, "512 Invalid MaxStreams\r\n"); control_write_endreply(conn, 512, "Invalid MaxStreams");
goto out; goto out;
} }
} else if (!strcasecmp(arg->key, "Flags")) { } else if (!strcasecmp(arg->key, "Flags")) {
@ -1722,7 +1719,7 @@ handle_control_add_onion(control_connection_t *conn,
smartlist_split_string(flags, arg->value, ",", SPLIT_IGNORE_BLANK, 0); smartlist_split_string(flags, arg->value, ",", SPLIT_IGNORE_BLANK, 0);
if (smartlist_len(flags) < 1) { if (smartlist_len(flags) < 1) {
connection_printf_to_buf(conn, "512 Invalid 'Flags' argument\r\n"); control_write_endreply(conn, 512, "Invalid 'Flags' argument");
bad = 1; bad = 1;
} }
SMARTLIST_FOREACH_BEGIN(flags, const char *, flag) SMARTLIST_FOREACH_BEGIN(flags, const char *, flag)
@ -1738,8 +1735,7 @@ handle_control_add_onion(control_connection_t *conn,
} else if (!strcasecmp(flag, non_anonymous_flag)) { } else if (!strcasecmp(flag, non_anonymous_flag)) {
non_anonymous = 1; non_anonymous = 1;
} else { } else {
connection_printf_to_buf(conn, control_printf_endreply(conn, 512, "Invalid 'Flags' argument: %s",
"512 Invalid 'Flags' argument: %s\r\n",
escaped(flag)); escaped(flag));
bad = 1; bad = 1;
break; break;
@ -1773,8 +1769,7 @@ handle_control_add_onion(control_connection_t *conn,
} }
} SMARTLIST_FOREACH_END(ac); } SMARTLIST_FOREACH_END(ac);
if (bad) { if (bad) {
connection_printf_to_buf(conn, control_write_endreply(conn, 512, "Duplicate name in ClientAuth");
"512 Duplicate name in ClientAuth\r\n");
rend_authorized_client_free(client); rend_authorized_client_free(client);
goto out; goto out;
} }
@ -1792,19 +1787,19 @@ handle_control_add_onion(control_connection_t *conn,
} }
} }
if (smartlist_len(port_cfgs) == 0) { if (smartlist_len(port_cfgs) == 0) {
connection_printf_to_buf(conn, "512 Missing 'Port' argument\r\n"); control_write_endreply(conn, 512, "Missing 'Port' argument");
goto out; goto out;
} else if (auth_type == REND_NO_AUTH && auth_clients != NULL) { } else if (auth_type == REND_NO_AUTH && auth_clients != NULL) {
connection_printf_to_buf(conn, "512 No auth type specified\r\n"); control_write_endreply(conn, 512, "No auth type specified");
goto out; goto out;
} else if (auth_type != REND_NO_AUTH && auth_clients == NULL) { } else if (auth_type != REND_NO_AUTH && auth_clients == NULL) {
connection_printf_to_buf(conn, "512 No auth clients specified\r\n"); control_write_endreply(conn, 512, "No auth clients specified");
goto out; goto out;
} else if ((auth_type == REND_BASIC_AUTH && } else if ((auth_type == REND_BASIC_AUTH &&
smartlist_len(auth_clients) > 512) || smartlist_len(auth_clients) > 512) ||
(auth_type == REND_STEALTH_AUTH && (auth_type == REND_STEALTH_AUTH &&
smartlist_len(auth_clients) > 16)) { smartlist_len(auth_clients) > 16)) {
connection_printf_to_buf(conn, "512 Too many auth clients\r\n"); control_write_endreply(conn, 512, "Too many auth clients");
goto out; goto out;
} else if (non_anonymous != rend_service_non_anonymous_mode_enabled( } else if (non_anonymous != rend_service_non_anonymous_mode_enabled(
get_options())) { get_options())) {
@ -1815,8 +1810,8 @@ handle_control_add_onion(control_connection_t *conn,
* 512 Tor is in non-anonymous hidden service mode * 512 Tor is in non-anonymous hidden service mode
* (I've deliberately written them out in full here to aid searchability.) * (I've deliberately written them out in full here to aid searchability.)
*/ */
connection_printf_to_buf(conn, "512 Tor is in %sanonymous hidden service " control_printf_endreply(conn, 512,
"mode\r\n", "Tor is in %sanonymous hidden service " "mode",
non_anonymous ? "" : "non-"); non_anonymous ? "" : "non-");
goto out; goto out;
} }
@ -1843,7 +1838,7 @@ handle_control_add_onion(control_connection_t *conn,
/* Hidden service version 3 don't have client authentication support so if /* Hidden service version 3 don't have client authentication support so if
* ClientAuth was given, send back an error. */ * ClientAuth was given, send back an error. */
if (hs_version == HS_VERSION_THREE && auth_clients) { if (hs_version == HS_VERSION_THREE && auth_clients) {
connection_printf_to_buf(conn, "513 ClientAuth not supported\r\n"); control_write_endreply(conn, 513, "ClientAuth not supported");
goto out; goto out;
} }
@ -1873,10 +1868,10 @@ handle_control_add_onion(control_connection_t *conn,
} }
tor_assert(service_id); tor_assert(service_id);
connection_printf_to_buf(conn, "250-ServiceID=%s\r\n", service_id); control_printf_midreply(conn, 250, "ServiceID=%s", service_id);
if (key_new_alg) { if (key_new_alg) {
tor_assert(key_new_blob); tor_assert(key_new_blob);
connection_printf_to_buf(conn, "250-PrivateKey=%s:%s\r\n", control_printf_midreply(conn, 250, "PrivateKey=%s:%s",
key_new_alg, key_new_blob); key_new_alg, key_new_blob);
} }
if (auth_created_clients) { if (auth_created_clients) {
@ -1891,24 +1886,24 @@ handle_control_add_onion(control_connection_t *conn,
}); });
} }
connection_printf_to_buf(conn, "250 OK\r\n"); send_control_done(conn);
break; break;
} }
case RSAE_BADPRIVKEY: case RSAE_BADPRIVKEY:
connection_printf_to_buf(conn, "551 Failed to generate onion address\r\n"); control_write_endreply(conn, 551, "Failed to generate onion address");
break; break;
case RSAE_ADDREXISTS: case RSAE_ADDREXISTS:
connection_printf_to_buf(conn, "550 Onion address collision\r\n"); control_write_endreply(conn, 550, "Onion address collision");
break; break;
case RSAE_BADVIRTPORT: case RSAE_BADVIRTPORT:
connection_printf_to_buf(conn, "512 Invalid VIRTPORT/TARGET\r\n"); control_write_endreply(conn, 512, "Invalid VIRTPORT/TARGET");
break; break;
case RSAE_BADAUTH: case RSAE_BADAUTH:
connection_printf_to_buf(conn, "512 Invalid client authorization\r\n"); control_write_endreply(conn, 512, "Invalid client authorization");
break; break;
case RSAE_INTERNAL: /* FALLSTHROUGH */ case RSAE_INTERNAL: /* FALLSTHROUGH */
default: default:
connection_printf_to_buf(conn, "551 Failed to add Onion Service\r\n"); control_write_endreply(conn, 551, "Failed to add Onion Service");
} }
if (key_new_blob) { if (key_new_blob) {
memwipe(key_new_blob, 0, strlen(key_new_blob)); memwipe(key_new_blob, 0, strlen(key_new_blob));
@ -2150,7 +2145,7 @@ handle_control_del_onion(control_connection_t *conn,
} else if (hs_address_is_valid(service_id)) { } else if (hs_address_is_valid(service_id)) {
hs_version = HS_VERSION_THREE; hs_version = HS_VERSION_THREE;
} else { } else {
connection_printf_to_buf(conn, "512 Malformed Onion Service id\r\n"); control_write_endreply(conn, 512, "Malformed Onion Service id");
goto out; goto out;
} }
@ -2174,7 +2169,7 @@ handle_control_del_onion(control_connection_t *conn,
} }
} }
if (onion_services == NULL) { if (onion_services == NULL) {
connection_printf_to_buf(conn, "552 Unknown Onion Service id\r\n"); control_write_endreply(conn, 552, "Unknown Onion Service id");
} else { } else {
int ret = -1; int ret = -1;
switch (hs_version) { switch (hs_version) {
@ -2226,7 +2221,7 @@ handle_control_obsolete(control_connection_t *conn,
(void)args; (void)args;
char *command = tor_strdup(conn->current_cmd); char *command = tor_strdup(conn->current_cmd);
tor_strupper(command); tor_strupper(command);
connection_printf_to_buf(conn, "511 %s is obsolete.\r\n", command); control_printf_endreply(conn, 511, "%s is obsolete.", command);
tor_free(command); tor_free(command);
return 0; return 0;
} }
@ -2359,8 +2354,7 @@ handle_single_control_command(const control_cmd_def_t *def,
cmd_data_len, args, cmd_data_len, args,
&err); &err);
if (!parsed_args) { if (!parsed_args) {
connection_printf_to_buf(conn, control_printf_endreply(conn, 512, "Bad arguments to %s: %s",
"512 Bad arguments to %s: %s\r\n",
conn->current_cmd, err?err:""); conn->current_cmd, err?err:"");
tor_free(err); tor_free(err);
} else { } else {
@ -2401,7 +2395,7 @@ handle_control_command(control_connection_t *conn,
} }
} }
connection_printf_to_buf(conn, "510 Unrecognized command \"%s\"\r\n", control_printf_endreply(conn, 510, "Unrecognized command \"%s\"",
conn->current_cmd); conn->current_cmd);
return 0; return 0;

11
src/feature/control/control_getinfo.c
View File

@ -1608,7 +1608,7 @@ handle_control_getinfo(control_connection_t *conn,
if (handle_getinfo_helper(conn, q, &ans, &errmsg) < 0) { if (handle_getinfo_helper(conn, q, &ans, &errmsg) < 0) {
if (!errmsg) if (!errmsg)
errmsg = "Internal error"; errmsg = "Internal error";
connection_printf_to_buf(conn, "551 %s\r\n", errmsg); control_write_endreply(conn, 551, errmsg);
goto done; goto done;
} }
if (!ans) { if (!ans) {
@ -1625,13 +1625,10 @@ handle_control_getinfo(control_connection_t *conn,
if (smartlist_len(unrecognized)) { if (smartlist_len(unrecognized)) {
/* control-spec section 2.3, mid-reply '-' or end of reply ' ' */ /* control-spec section 2.3, mid-reply '-' or end of reply ' ' */
for (i=0; i < smartlist_len(unrecognized)-1; ++i) for (i=0; i < smartlist_len(unrecognized)-1; ++i)
connection_printf_to_buf(conn, control_write_midreply(conn, 552,
"552-%s\r\n",
(char *)smartlist_get(unrecognized, i)); (char *)smartlist_get(unrecognized, i));
connection_printf_to_buf(conn, control_write_endreply(conn, 552, (char *)smartlist_get(unrecognized, i));
"552 %s\r\n",
(char *)smartlist_get(unrecognized, i));
goto done; goto done;
} }
@ -1645,7 +1642,7 @@ handle_control_getinfo(control_connection_t *conn,
control_write_data(conn, v); control_write_data(conn, v);
} }
} }
connection_write_str_to_buf("250 OK\r\n", conn); send_control_done(conn);
done: done:
SMARTLIST_FOREACH(answers, char *, cp, tor_free(cp)); SMARTLIST_FOREACH(answers, char *, cp, tor_free(cp));

2
src/feature/control/control_proto.c
View File

@ -166,7 +166,7 @@ read_escaped_data(const char *data, size_t len, char **out)
void void
send_control_done(control_connection_t *conn) send_control_done(control_connection_t *conn)
{ {
connection_write_str_to_buf("250 OK\r\n", conn); control_write_endreply(conn, 250, "OK");
} }
/** Write a reply to the control channel. /** Write a reply to the control channel.