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/* test.c */
/* $Id: test.c,v 1.1 2001/09/17 19:06:59 bodo Exp $ */
#define L_PORT 9999
#define C_PORT 443
#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <unistd.h>
#include "test.h"
#include "easy-tls.h"
void
test_process_init(int fd, int client_p, void *apparg)
{
fprintf(stderr, "test_process_init(fd = %d, client_p = %d, apparg = %p)\n", fd, client_p, apparg);
}
void
test_errflush(int child_p, char *errbuf, size_t num, void *apparg)
{
fputs(errbuf, stderr);
}
int
main(int argc, char *argv[])
{
int s, fd, r;
FILE *conn_in;
FILE *conn_out;
char buf[256];
SSL_CTX *ctx;
int client_p = 0;
int port;
int tls = 0;
char infobuf[TLS_INFO_SIZE + 1];
if (argc > 1 && argv[1][0] == '-') {
fputs("Usage: test [port] -- server\n"
" test num.num.num.num [port] -- client\n",
stderr);
exit(1);
}
if (argc > 1) {
if (strchr(argv[1], '.')) {
client_p = 1;
}
}
fputs(client_p ? "Client\n" : "Server\n", stderr);
{
struct tls_create_ctx_args a = tls_create_ctx_defaultargs();
a.client_p = client_p;
a.certificate_file = "cert.pem";
a.key_file = "cert.pem";
a.ca_file = "cacerts.pem";
ctx = tls_create_ctx(a, NULL);
if (ctx == NULL)
exit(1);
}
s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == -1) {
perror("socket");
exit(1);
}
if (client_p) {
struct sockaddr_in addr;
size_t addr_len = sizeof addr;
addr.sin_family = AF_INET;
assert(argc > 1);
if (argc > 2)
sscanf(argv[2], "%d", &port);
else
port = C_PORT;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = inet_addr(argv[1]);
r = connect(s, &addr, addr_len);
if (r != 0) {
perror("connect");
exit(1);
}
fd = s;
fprintf(stderr, "Connect (fd = %d).\n", fd);
} else {
/* server */
{
int i = 1;
r = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (void *) &i, sizeof i);
if (r == -1) {
perror("setsockopt");
exit(1);
}
}
{
struct sockaddr_in addr;
size_t addr_len = sizeof addr;
if (argc > 1)
sscanf(argv[1], "%d", &port);
else
port = L_PORT;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = INADDR_ANY;
r = bind(s, &addr, addr_len);
if (r != 0) {
perror("bind");
exit(1);
}
}
r = listen(s, 1);
if (r == -1) {
perror("listen");
exit(1);
}
fprintf(stderr, "Listening at port %i.\n", port);
fd = accept(s, NULL, 0);
if (fd == -1) {
perror("accept");
exit(1);
}
fprintf(stderr, "Accept (fd = %d).\n", fd);
}
conn_in = fdopen(fd, "r");
if (conn_in == NULL) {
perror("fdopen");
exit(1);
}
conn_out = fdopen(fd, "w");
if (conn_out == NULL) {
perror("fdopen");
exit(1);
}
setvbuf(conn_in, NULL, _IOLBF, 256);
setvbuf(conn_out, NULL, _IOLBF, 256);
while (fgets(buf, sizeof buf, stdin) != NULL) {
if (buf[0] == 'W') {
fprintf(conn_out, "%.*s\r\n", (int)(strlen(buf + 1) - 1), buf + 1);
fprintf(stderr, ">>> %.*s\n", (int)(strlen(buf + 1) - 1), buf + 1);
} else if (buf[0] == 'C') {
fprintf(stderr, "Closing.\n");
fclose(conn_in);
fclose(conn_out);
exit(0);
} else if (buf[0] == 'R') {
int lines = 0;
sscanf(buf + 1, "%d", &lines);
do {
if (fgets(buf, sizeof buf, conn_in) == NULL) {
if (ferror(conn_in)) {
fprintf(stderr, "ERROR\n");
exit(1);
}
fprintf(stderr, "CLOSED\n");
return 0;
}
fprintf(stderr, "<<< %s", buf);
} while (--lines > 0);
} else if (buf[0] == 'T') {
int infofd;
tls++;
{
struct tls_start_proxy_args a = tls_start_proxy_defaultargs();
a.fd = fd;
a.client_p = client_p;
a.ctx = ctx;
a.infofd = &infofd;
r = tls_start_proxy(a, NULL);
}
assert(r != 1);
if (r != 0) {
fprintf(stderr, "tls_start_proxy failed: %d\n", r);
switch (r) {
case -1:
fputs("socketpair", stderr); break;
case 2:
fputs("FD_SETSIZE exceeded", stderr); break;
case -3:
fputs("pipe", stderr); break;
case -4:
fputs("fork", stderr); break;
case -5:
fputs("dup2", stderr); break;
default:
fputs("?", stderr);
}
if (r < 0)
perror("");
else
fputc('\n', stderr);
exit(1);
}
r = read(infofd, infobuf, sizeof infobuf - 1);
if (r > 0) {
const char *info = infobuf;
const char *eol;
infobuf[r] = '\0';
while ((eol = strchr(info, '\n')) != NULL) {
fprintf(stderr, "+++ `%.*s'\n", eol - info, info);
info = eol+1;
}
close (infofd);
}
} else {
fprintf(stderr, "W... write line to network\n"
"R[n] read line (n lines) from network\n"
"C close\n"
"T start %sTLS proxy\n", tls ? "another " : "");
}
}
return 0;
}
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