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double free, cubic, domain name, disable gso

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This commit is contained in:
Jop Zitman 2024-12-12 15:26:34 +08:00
parent b1cb046417
commit fcd1145439
4 changed files with 45 additions and 32 deletions
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16
src/slipstream_server.c
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@ -22,6 +22,8 @@
#include "SPCDNS/src/mappings.h"
circular_query_buffer_t server_cqb = {0};
char* server_domain_name = NULL;
size_t server_domain_name_len = 0;
ssize_t server_encode(unsigned char** dest_buf, const unsigned char* src_buf, size_t src_buf_len, size_t* segment_size) {
const dns_query_t *query = (dns_query_t *) circular_query_buffer_get_read_slot(&server_cqb);
@ -99,12 +101,12 @@ ssize_t server_decode(const unsigned char** dest_buf, const unsigned char* src_b
return -1;
}
const char* tld = "test.com.";
const size_t data_len = strlen(question->name) - strlen(tld) - 1;
const size_t data_len = strlen(question->name) - server_domain_name_len - 1 - 1;
// copy the subdomain from name to a new buffer
char data_buf[data_len];
memcpy(data_buf, question->name, data_len);
data_buf[data_len] = '\0';
const size_t encoded_len = slipstream_inline_undotify(data_buf, data_len);
char* decoded_buf = malloc(encoded_len);
@ -484,7 +486,7 @@ void server_sighandler(int signum) {
}
int picoquic_slipstream_server(int server_port, const char* server_cert, const char* server_key,
char const* upstream_name, int upstream_port) {
char const* upstream_name, int upstream_port, const char* domain_name) {
/* Start: start the QUIC process with cert and key files */
int ret = 0;
picoquic_quic_t* quic = NULL;
@ -495,6 +497,9 @@ int picoquic_slipstream_server(int server_port, const char* server_cert, const c
int is_name = 0;
picoquic_get_server_address(upstream_name, upstream_port, &default_context.upstream_addr, &is_name);
server_domain_name = strdup(domain_name);
server_domain_name_len = strlen(domain_name);
// int mtu = 250;
int mtu = 900;
@ -505,14 +510,14 @@ int picoquic_slipstream_server(int server_port, const char* server_cert, const c
config.server_cert_file = server_cert;
config.server_key_file = server_key;
// config.log_file = "-";
#ifndef BUILD_LOGLIB
#ifdef BUILD_LOGLIB
config.qlog_dir = SLIPSTREAM_QLOG_DIR;
#endif
config.server_port = server_port;
config.mtu_max = mtu;
config.initial_send_mtu_ipv4 = mtu;
config.initial_send_mtu_ipv6 = mtu;
config.cc_algo_id = "bbr1";
config.cc_algo_id = "cubic";
config.multipath_option = 0;
config.use_long_log = 1;
config.do_preemptive_repeat = 1;
@ -544,6 +549,7 @@ int picoquic_slipstream_server(int server_port, const char* server_cert, const c
param.is_client = 0;
param.decode = server_decode;
param.encode = server_encode;
// param.delay_max = 1;
picoquic_network_thread_ctx_t thread_ctx = {0};
thread_ctx.quic = quic;