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Fix parsing bug

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This commit is contained in:
Quentin 2020-02-24 09:33:50 +01:00
parent 3a3e61aac5
commit 0e03e02e31
2 changed files with 9 additions and 7 deletions
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5
src/faketor.c
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@ -33,11 +33,6 @@ int faketor_socks5_server_success(struct evt_core_ctx* ctx, struct evt_core_fdin
printf("success!\n");
struct socks5_ctx *s5ctx = fdinfo->other;
char buffer[1024];
sprintf(buffer, "socket:%s:%d", s5ctx->cr.dest_addr.dns.str, s5ctx->cr.port);
evt_core_fdinfo_url_set(fdinfo, buffer);
printf("new socket name: %s\n", fdinfo->url);
return EVT_CORE_FD_EXHAUSTED;
}

11
src/socks5.c
View file

@ -435,7 +435,7 @@ int on_socks5_server_recv_client_req(struct evt_core_ctx* ctx, struct evt_core_f
size_t to_read = 0;
size_t fixed_size = ((void*)&s5ctx->cr.dest_addr) - ((void*)&s5ctx->cr);
if (s5ctx->cr_cursor < fixed_size) {
if (s5ctx->cr.atyp == 0x00) {
to_read = fixed_size - s5ctx->cr_cursor;
nread = recv(fdinfo->fd, ((void*)&s5ctx->cr) + s5ctx->cr_cursor, to_read, 0);
if (nread == -1 && errno == EAGAIN) return EVT_CORE_FD_EXHAUSTED;
@ -451,7 +451,7 @@ int on_socks5_server_recv_client_req(struct evt_core_ctx* ctx, struct evt_core_f
if (nread == -1 && errno == EAGAIN) return EVT_CORE_FD_EXHAUSTED;
if (nread == -1) goto recv_client_req_error;
s5ctx->cr_cursor += nread;
if (to_read == nread) {
if (s5ctx->cr_cursor >= sizeof(s5ctx->cr.dest_addr.dns.len) + s5ctx->cr.dest_addr.dns.len) {
s5ctx->cr_host_read = TRUE;
s5ctx->cr_cursor = 0;
} else return EVT_CORE_FD_UNFINISHED;
@ -484,6 +484,13 @@ int on_socks5_server_recv_client_req(struct evt_core_ctx* ctx, struct evt_core_f
s5ctx->cr_cursor += nread;
if (to_read != nread) return EVT_CORE_FD_UNFINISHED;
char buffer[1024];
if (s5ctx->cr.atyp == ATYP_DOMAINNAME) {
sprintf(buffer, "socket:%s:%d", s5ctx->cr.dest_addr.dns.str, ntohs(s5ctx->cr.port));
evt_core_fdinfo_url_set(fdinfo, buffer);
printf("new socket name: %s\n", fdinfo->url);
}
printf("[%s][socks5] received client request atyp=%s\n", current_human_datetime (), atyp_str[s5ctx->cr.atyp]);
evt_core_mv_fd2 (ctx, fdinfo, "socks5-server-send-server-reply");
return EVT_CORE_FD_EXHAUSTED;