c openssl error
Im trying to make a ssl client that connects to ssl IRC Servers but it's giving me this error:
26460:error:140A90A1:SSL routines:SSL_CTX_new:library has no ciphers:ssl_lib.c:1535:
code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# endif
#endif
#if defined(_WIN32)
# include <winsock2.h>
# include <windows.h>
# include <process.h>
# include <io.h>
# include <direct.h>
#else
# include <sys/types.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <netdb.h>
# include <sys/timeb.h>
# include <unistd.h>
# include <stdbool.h>
# include <fcntl.h>
#endif
/* ssl */
#include <openssl/ssl.h>
#include <openssl/err.h>
/**********************/
#include <stddef.h>
#include <stdint.h>
#include <stdarg.h>
#include <errno.h>
#include <ctype.h>
#include <assert.h>
#ifndef SOCKET_ERROR
# define SOCKET_ERROR -1
#endif
#ifndef SOCKADDR
# define SOCKADDR struct sockaddr
#endif
#ifndef SOCKADDR_IN
# define SOCKADDR_IN struct sockaddr_in
#endif
#if defined(_WIN32) && !defined(bool)
# define bool uint32_t
# define true 1
# define false 0
#endif
const char *g_host;
int *g_port;
typedef struct {
SSL_CTX *ctx;
SSL *ssl;
SOCKADDR_IN serv_addr;
int fd;
} Socket;
void *MyMalloc(uint32_t);
void MyFree(void *);
Socket* setup_socket();
bool connect_socket(Socket *);
static void
out_of_memory()
{
fprintf(stderr, "Virtual memory exhausted: cannot allocate memory\n");
exit(-1);
}
void*
MyMalloc(size)
uint32_t size;
{
void *ret;
if (!size) {
fprintf(stderr, "MyMalloc(): Error on allocating memory, size = %u\n", size);
return NULL;
}
ret = calloc(1, size);
if (!ret)
out_of_memory();
return ret;
}
void
MyFree(p)
void *p;
{
if (p)
free(p);
}
static void
create_ctx(socket)
Socket* socket;
{
SSL_METHOD *method;
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
method = SSLv23_server_method();
socket->ctx = SSL_CTX_new(method);
if (!socket->ctx) {
ERR_print_errors_fp(stderr);
exit(-1);
}
}
Socket*
setup_socket()
{
Socket* sock;
int fd;
SSL* ssl;
#ifdef _WIN32
WSADATA wsadata;
if (WSAStartup(MAKEWORD(2, 0), &wsadata) != 0)
return NULL;
#endif
sock = (Socket *)MyMalloc(sizeof(*sock));
fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
sock->fd = fd;
create_ctx(sock);
if (!sock->ctx)
return NULL;
ssl = SSL_new(sock->ctx);
sock->ssl = ssl;
}
bool
connect_socket(sock)
Socket* sock;
{
if (!sock || !sock->fd)
return false;
#ifdef _WIN32
LPHOSTENT host;
#else
struct hostent* host;
#endif
SOCKADDR_IN serv_addr;
serv_addr.sin_family = AF_INET;
serv_addr.sin_port = htons(*g_port);
host = gethostbyname(g_host);
if (!host) {
fprintf(stderr, "Cannot resolve %s: %s\n", g_host, strerror(errno));
return false;
}
#ifdef _WIN32
serv_addr.sin_addr = *((LPIN_ADDR)*host->h_addr_list);
#else
serv_addr.sin_addr = *((struct in_addr*)host->h_addr);
#endif
sock->serv_addr = serv_addr;
if (connect(sock->fd,(SOCKADDR *)&sock->serv_addr,sizeof(sock->serv_addr)) != SOCKET_ERROR){
if (!SSL_set_fd(sock->ssl,sock->fd)){
ERR_print_errors_fp(stderr);
exit(-1);
}
if (SSL_connect(sock->ssl) != 1){
ERR_print_errors_fp(stderr);
exit(-1);
}
return true;
}
return false;
}
int main(argc, argv)
int argc;
char **argv;
{
const char *__host;
int __port;
Socket* sock;
char buffer[1024];
int p;
__host = (const char *)strdup("irc.mozilla.org");
__port = 6697;
if (argc>1){
/* skip program name */
++argv;
while (*argv){
if (strcmp(*argv,"--host") == 0 || !strcmp(*argv,"-host")){
++argv;
if (!*argv){
fprintf(stderr,"Failure\n");
return -1;
}
__host = (const char *)*argv;
} else if (strcmp(*argv,"--port") == 0 || !strcmp(*argv,"-port")){
++argv;
if (!*argv){
fprintf(stderr,"Failure\n");
return -1;
}
__port = atoi((const char *)*argv);
}
}
}
if (!__host || *__host == '\0' || __port < 6667){
fprintf(stderr,"Failure\n");
return -1;
}
g_port = &__port;
g_host = __host;
if (!(sock = setup_socket())){
fprintf(stderr,"Failed to setup socket\n");
return -1;
}
if (!connect_socket(sock)){
fprintf(stderr,"Fail开发者_开发技巧ed to connect\n");
return -1;
}
while (1){
p = SSL_read(sock->ssl,buffer,sizeof(buffer));
if (p<0){break;}
if (p<sizeof(buffer)) {break;}
fprintf(stderr,"Received:%s\n",buffer);
}
return 0;
}
this:
SSLv23_server_method();
to:
SSLv23_client_method();
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