-/* apps/s_socket.c */
+/* apps/s_socket.c - socket-related functions used by s_client and s_server */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include <string.h>
#include <errno.h>
#include <signal.h>
+
+/* With IPv6, it looks like Digital has mixed up the proper order of
+ recursive header file inclusion, resulting in the compiler complaining
+ that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
+ is needed to have fileno() declared correctly... So let's define u_int */
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
+#define __U_INT
+typedef unsigned int u_int;
+#endif
+
#define USE_SOCKETS
#define NON_MAIN
#include "apps.h"
#undef USE_SOCKETS
#undef NON_MAIN
#include "s_apps.h"
-#include "ssl.h"
+#include <openssl/ssl.h>
-#ifndef NOPROTO
-static struct hostent *GetHostByName(char *name);
-int sock_init(void );
+#ifdef FLAT_INC
+#include "e_os.h"
#else
-static struct hostent *GetHostByName();
-int sock_init();
+#include "../e_os.h"
+#endif
+
+#ifndef OPENSSL_NO_SOCK
+
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
+#include "netdb.h"
#endif
-#ifdef WIN16
+static struct hostent *GetHostByName(const char *name);
+#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
+static void ssl_sock_cleanup(void);
+#endif
+static int ssl_sock_init(void);
+static int init_client_ip(int *sock, const unsigned char ip[4], int port,
+ int type);
+static int init_server(int *sock, int port, int type);
+static int init_server_long(int *sock, int port,char *ip, int type);
+static int do_accept(int acc_sock, int *sock, char **host);
+static int host_ip(const char *str, unsigned char ip[4]);
+#ifndef NO_SYS_UN_H
+static int init_server_unix(int *sock, const char *path);
+static int do_accept_unix(int acc_sock, int *sock);
+#endif
+
+#ifdef OPENSSL_SYS_WIN16
#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
#else
#define SOCKET_PROTOCOL IPPROTO_TCP
#endif
-#ifdef WINDOWS
+#if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+static int wsa_init_done=0;
+#endif
+
+#ifdef OPENSSL_SYS_WINDOWS
static struct WSAData wsa_state;
static int wsa_init_done=0;
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
static HWND topWnd=0;
static FARPROC lpTopWndProc=NULL;
static FARPROC lpTopHookProc=NULL;
extern HINSTANCE _hInstance; /* nice global CRT provides */
-static LONG FAR PASCAL topHookProc(hwnd,message,wParam,lParam)
-HWND hwnd;
-UINT message;
-WPARAM wParam;
-LPARAM lParam;
+static LONG FAR PASCAL topHookProc(HWND hwnd, UINT message, WPARAM wParam,
+ LPARAM lParam)
{
if (hwnd == topWnd)
{
case WM_DESTROY:
case WM_CLOSE:
SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopWndProc);
- sock_cleanup();
+ ssl_sock_cleanup();
break;
}
}
return(FALSE);
}
-#endif /* WIN32 */
-#endif /* WINDOWS */
+#endif /* OPENSSL_SYS_WIN32 */
+#endif /* OPENSSL_SYS_WINDOWS */
-void sock_cleanup()
+#ifdef OPENSSL_SYS_WINDOWS
+static void ssl_sock_cleanup(void)
{
-#ifdef WINDOWS
if (wsa_init_done)
{
wsa_init_done=0;
+#ifndef OPENSSL_SYS_WINCE
WSACancelBlockingCall();
+#endif
WSACleanup();
}
-#endif
}
+#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+static void sock_cleanup(void)
+ {
+ if (wsa_init_done)
+ {
+ wsa_init_done=0;
+ WSACleanup();
+ }
+ }
+#endif
-int sock_init()
+static int ssl_sock_init(void)
{
-#ifdef WINDOWS
+#ifdef WATT32
+ extern int _watt_do_exit;
+ _watt_do_exit = 0;
+ if (sock_init())
+ return (0);
+#elif defined(OPENSSL_SYS_WINDOWS)
if (!wsa_init_done)
{
int err;
#ifdef SIGINT
- signal(SIGINT,(void (*)(int))sock_cleanup);
+ signal(SIGINT,(void (*)(int))ssl_sock_cleanup);
#endif
wsa_init_done=1;
memset(&wsa_state,0,sizeof(wsa_state));
return(0);
}
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
EnumTaskWindows(GetCurrentTask(),enumproc,0L);
lpTopWndProc=(FARPROC)GetWindowLong(topWnd,GWL_WNDPROC);
lpTopHookProc=MakeProcInstance((FARPROC)topHookProc,_hInstance);
SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopHookProc);
-#endif /* WIN16 */
+#endif /* OPENSSL_SYS_WIN16 */
}
-#endif /* WINDOWS */
+#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+ WORD wVerReq;
+ WSADATA wsaData;
+ int err;
+
+ if (!wsa_init_done)
+ {
+
+# ifdef SIGINT
+ signal(SIGINT,(void (*)(int))sock_cleanup);
+# endif
+
+ wsa_init_done=1;
+ wVerReq = MAKEWORD( 2, 0 );
+ err = WSAStartup(wVerReq,&wsaData);
+ if (err != 0)
+ {
+ BIO_printf(bio_err,"unable to start WINSOCK2, error code=%d\n",err);
+ return(0);
+ }
+ }
+#endif /* OPENSSL_SYS_WINDOWS */
return(1);
}
-int init_client(sock, host, port)
-int *sock;
-char *host;
-int port;
+int init_client(int *sock, const char *host, int port, int type)
{
unsigned char ip[4];
- short p=0;
+ ip[0] = ip[1] = ip[2] = ip[3] = 0;
if (!host_ip(host,&(ip[0])))
- {
- return(0);
- }
- if (p != 0) port=p;
- return(init_client_ip(sock,ip,port));
+ return 0;
+ return init_client_ip(sock,ip,port,type);
}
-int init_client_ip(sock, ip, port)
-int *sock;
-unsigned char ip[4];
-int port;
+static int init_client_ip(int *sock, const unsigned char ip[4], int port,
+ int type)
{
unsigned long addr;
struct sockaddr_in them;
int s,i;
- if (!sock_init()) return(0);
+ if (!ssl_sock_init()) return(0);
memset((char *)&them,0,sizeof(them));
them.sin_family=AF_INET;
((unsigned long)ip[3]);
them.sin_addr.s_addr=htonl(addr);
- s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ if (type == SOCK_STREAM)
+ s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ else /* ( type == SOCK_DGRAM) */
+ s=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP);
+
if (s == INVALID_SOCKET) { perror("socket"); return(0); }
- i=0;
- i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
- if (i < 0) { perror("keepalive"); return(0); }
+#if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
+ if (type == SOCK_STREAM)
+ {
+ i=0;
+ i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
+ if (i < 0) { closesocket(s); perror("keepalive"); return(0); }
+ }
+#endif
if (connect(s,(struct sockaddr *)&them,sizeof(them)) == -1)
- { close(s); perror("connect"); return(0); }
+ { closesocket(s); perror("connect"); return(0); }
*sock=s;
return(1);
}
-int nbio_sock_error(sock)
-int sock;
+#ifndef NO_SYS_UN_H
+int init_client_unix(int *sock, const char *server)
{
- int j,i,size;
+ struct sockaddr_un them;
+ int s;
- size=sizeof(int);
- i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(char *)&j,&size);
- if (i < 0)
- return(1);
- else
- return(j);
- }
+ if (strlen(server) > (UNIX_PATH_MAX + 1)) return(0);
+ if (!ssl_sock_init()) return(0);
-int nbio_init_client_ip(sock, ip, port)
-int *sock;
-unsigned char ip[4];
-int port;
- {
- unsigned long addr;
- struct sockaddr_in them;
- int s,i;
-
- if (!sock_init()) return(0);
+ s=socket(AF_UNIX, SOCK_STREAM, 0);
+ if (s == INVALID_SOCKET) { perror("socket"); return(0); }
memset((char *)&them,0,sizeof(them));
- them.sin_family=AF_INET;
- them.sin_port=htons((unsigned short)port);
- addr= (unsigned long)
- ((unsigned long)ip[0]<<24L)|
- ((unsigned long)ip[1]<<16L)|
- ((unsigned long)ip[2]<< 8L)|
- ((unsigned long)ip[3]);
- them.sin_addr.s_addr=htonl(addr);
-
- if (*sock <= 0)
- {
- unsigned long l=1;
+ them.sun_family=AF_UNIX;
+ strcpy(them.sun_path, server);
- s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
- if (s == INVALID_SOCKET) { perror("socket"); return(0); }
+ if (connect(s, (struct sockaddr *)&them, sizeof(them)) == -1)
+ { closesocket(s); perror("connect"); return(0); }
+ *sock=s;
+ return(1);
+ }
+#endif
- i=0;
- i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
- if (i < 0) { perror("keepalive"); return(0); }
- *sock=s;
+int do_server(int port, int type, int *ret,
+ int (*cb)(char *hostname, int s, int stype, unsigned char *context),
+ unsigned char *context, int naccept)
+ {
+ int sock;
+ char *name = NULL;
+ int accept_socket = 0;
+ int i;
-#ifdef FIONBIO
- BIO_socket_ioctl(s,FIONBIO,&l);
-#endif
- }
- else
- s= *sock;
+ if (!init_server(&accept_socket,port,type)) return(0);
- i=connect(s,(struct sockaddr *)&them,sizeof(them));
- if (i == INVALID_SOCKET)
+ if (ret != NULL)
{
- if (BIO_sock_should_retry(i))
- return(-1);
+ *ret=accept_socket;
+ /* return(1);*/
+ }
+ for (;;)
+ {
+ if (type==SOCK_STREAM)
+ {
+#ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
+ if (do_accept(accept_socket,&sock,NULL) == 0)
+#else
+ if (do_accept(accept_socket,&sock,&name) == 0)
+#endif
+ {
+ SHUTDOWN(accept_socket);
+ return(0);
+ }
+ }
else
- return(0);
+ sock = accept_socket;
+ i=(*cb)(name,sock, type, context);
+ if (name != NULL) OPENSSL_free(name);
+ if (type==SOCK_STREAM)
+ SHUTDOWN2(sock);
+ if (naccept != -1)
+ naccept--;
+ if (i < 0 || naccept == 0)
+ {
+ SHUTDOWN2(accept_socket);
+ return(i);
+ }
}
- else
- return(1);
}
-int do_server(port, ret, cb)
-int port;
-int *ret;
-int (*cb)();
+#ifndef NO_SYS_UN_H
+int do_server_unix(const char *path, int *ret,
+ int (*cb)(char *hostname, int s, int stype, unsigned char *context),
+ unsigned char *context, int naccept)
{
int sock;
- char *name;
- int accept_socket;
+ int accept_socket = 0;
int i;
- if (!init_server(&accept_socket,port)) return(0);
+ if (!init_server_unix(&accept_socket, path)) return(0);
if (ret != NULL)
- {
*ret=accept_socket;
- /* return(1);*/
- }
for (;;)
{
- if (do_accept(accept_socket,&sock,&name) == 0)
+ if (do_accept_unix(accept_socket, &sock) == 0)
{
SHUTDOWN(accept_socket);
- return(0);
+ i = 0;
+ goto out;
}
- i=(*cb)(name,sock);
- if (name != NULL) Free(name);
+ i=(*cb)(NULL, sock, 0, context);
SHUTDOWN2(sock);
- if (i < 0)
+ if (naccept != -1)
+ naccept--;
+ if (i < 0 || naccept == 0)
{
SHUTDOWN2(accept_socket);
- return(i);
+ goto out;
}
}
+out:
+ unlink(path);
+ return(i);
}
+#endif
-int init_server_long(sock, port, ip)
-int *sock;
-int port;
-char *ip;
+static int init_server_long(int *sock, int port, char *ip, int type)
{
int ret=0;
struct sockaddr_in server;
- int s= -1,i;
+ int s= -1;
- if (!sock_init()) return(0);
+ if (!ssl_sock_init()) return(0);
memset((char *)&server,0,sizeof(server));
server.sin_family=AF_INET;
#else
memcpy(&server.sin_addr,ip,4);
#endif
- s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+
+ if (type == SOCK_STREAM)
+ s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ else /* type == SOCK_DGRAM */
+ s=socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP);
if (s == INVALID_SOCKET) goto err;
+#if defined SOL_SOCKET && defined SO_REUSEADDR
+ {
+ int j = 1;
+ setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
+ (void *) &j, sizeof j);
+ }
+#endif
if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
{
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
perror("bind");
#endif
goto err;
}
/* Make it 128 for linux */
- if (listen(s,128) == -1) goto err;
- i=0;
+ if (type==SOCK_STREAM && listen(s,128) == -1) goto err;
*sock=s;
ret=1;
err:
return(ret);
}
-int init_server(sock,port)
-int *sock;
-int port;
+static int init_server(int *sock, int port, int type)
{
- return(init_server_long(sock, port, NULL));
+ return(init_server_long(sock, port, NULL, type));
}
-int do_accept(acc_sock, sock, host)
-int acc_sock;
-int *sock;
-char **host;
+#ifndef NO_SYS_UN_H
+static int init_server_unix(int *sock, const char *path)
{
- int ret,i;
+ int ret = 0;
+ struct sockaddr_un server;
+ int s = -1;
+
+ if (strlen(path) > (UNIX_PATH_MAX + 1)) return(0);
+ if (!ssl_sock_init()) return(0);
+
+ s=socket(AF_UNIX, SOCK_STREAM, 0);
+ if (s == INVALID_SOCKET) goto err;
+
+ memset((char *)&server,0,sizeof(server));
+ server.sun_family=AF_UNIX;
+ strcpy(server.sun_path, path);
+
+ if (bind(s, (struct sockaddr *)&server, sizeof(server)) == -1)
+ {
+#ifndef OPENSSL_SYS_WINDOWS
+ perror("bind");
+#endif
+ goto err;
+ }
+ /* Make it 128 for linux */
+ if (listen(s,128) == -1)
+ {
+#ifndef OPENSSL_SYS_WINDOWS
+ perror("listen");
+#endif
+ unlink(path);
+ goto err;
+ }
+ *sock=s;
+ ret=1;
+err:
+ if ((ret == 0) && (s != -1))
+ {
+ SHUTDOWN(s);
+ }
+ return(ret);
+ }
+#endif
+
+static int do_accept(int acc_sock, int *sock, char **host)
+ {
+ int ret;
struct hostent *h1,*h2;
static struct sockaddr_in from;
int len;
/* struct linger ling; */
- if (!sock_init()) return(0);
+ if (!ssl_sock_init()) return(0);
-#ifndef WINDOWS
+#ifndef OPENSSL_SYS_WINDOWS
redoit:
#endif
memset((char *)&from,0,sizeof(from));
len=sizeof(from);
- ret=accept(acc_sock,(struct sockaddr *)&from,&len);
+ /* Note: under VMS with SOCKETSHR the fourth parameter is currently
+ * of type (int *) whereas under other systems it is (void *) if
+ * you don't have a cast it will choke the compiler: if you do
+ * have a cast then you can either go for (int *) or (void *).
+ */
+ ret=accept(acc_sock,(struct sockaddr *)&from,(void *)&len);
if (ret == INVALID_SOCKET)
{
-#ifdef WINDOWS
+#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
+ int i;
i=WSAGetLastError();
BIO_printf(bio_err,"accept error %d\n",i);
#else
}
else
{
- if ((*host=(char *)Malloc(strlen(h1->h_name)+1)) == NULL)
+ if ((*host=(char *)OPENSSL_malloc(strlen(h1->h_name)+1)) == NULL)
{
- perror("Malloc");
+ perror("OPENSSL_malloc");
+ closesocket(ret);
return(0);
}
- strcpy(*host,h1->h_name);
+ BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1);
h2=GetHostByName(*host);
if (h2 == NULL)
{
BIO_printf(bio_err,"gethostbyname failure\n");
+ closesocket(ret);
return(0);
}
- i=0;
if (h2->h_addrtype != AF_INET)
{
BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
+ closesocket(ret);
return(0);
}
}
return(1);
}
-int extract_host_port(str,host_ptr,ip,port_ptr)
-char *str;
-char **host_ptr;
-unsigned char *ip;
-short *port_ptr;
+#ifndef NO_SYS_UN_H
+static int do_accept_unix(int acc_sock, int *sock)
+ {
+ int ret;
+
+ if (!ssl_sock_init()) return(0);
+
+redoit:
+ ret=accept(acc_sock, NULL, NULL);
+ if (ret == INVALID_SOCKET)
+ {
+ if (errno == EINTR)
+ {
+ /*check_timeout(); */
+ goto redoit;
+ }
+ fprintf(stderr,"errno=%d ",errno);
+ perror("accept");
+ return(0);
+ }
+
+ *sock=ret;
+ return(1);
+ }
+#endif
+
+int extract_host_port(char *str, char **host_ptr, unsigned char *ip,
+ short *port_ptr)
{
char *h,*p;
return(0);
}
-int host_ip(str,ip)
-char *str;
-unsigned char ip[4];
+static int host_ip(const char *str, unsigned char ip[4])
{
unsigned int in[4];
int i;
- if (sscanf(str,"%d.%d.%d.%d",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
+ if (sscanf(str,"%u.%u.%u.%u",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
{
for (i=0; i<4; i++)
if (in[i] > 255)
{ /* do a gethostbyname */
struct hostent *he;
- if (!sock_init()) return(0);
+ if (!ssl_sock_init()) return(0);
he=GetHostByName(str);
if (he == NULL)
return(0);
}
-int extract_port(str,port_ptr)
-char *str;
-short *port_ptr;
+int extract_port(const char *str, short *port_ptr)
{
int i;
struct servent *s;
static unsigned long ghbn_hits=0L;
static unsigned long ghbn_miss=0L;
-static struct hostent *GetHostByName(name)
-char *name;
+static struct hostent *GetHostByName(const char *name)
{
struct hostent *ret;
int i,lowi=0;
ret=gethostbyname(name);
if (ret == NULL) return(NULL);
/* else add to cache */
- strncpy(ghbn_cache[lowi].name,name,128);
- memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent));
- ghbn_cache[lowi].order=ghbn_miss+ghbn_hits;
+ if(strlen(name) < sizeof ghbn_cache[0].name)
+ {
+ strcpy(ghbn_cache[lowi].name,name);
+ memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent));
+ ghbn_cache[lowi].order=ghbn_miss+ghbn_hits;
+ }
return(ret);
}
else
}
}
-#ifndef MSDOS
-int spawn(argc, argv, in, out)
-int argc;
-char **argv;
-int *in;
-int *out;
- {
- int pid;
-#define CHILD_READ p1[0]
-#define CHILD_WRITE p2[1]
-#define PARENT_READ p2[0]
-#define PARENT_WRITE p1[1]
- int p1[2],p2[2];
-
- if ((pipe(p1) < 0) || (pipe(p2) < 0)) return(-1);
-
- if ((pid=fork()) == 0)
- { /* child */
- if (dup2(CHILD_WRITE,fileno(stdout)) < 0)
- perror("dup2");
- if (dup2(CHILD_WRITE,fileno(stderr)) < 0)
- perror("dup2");
- if (dup2(CHILD_READ,fileno(stdin)) < 0)
- perror("dup2");
- close(CHILD_READ);
- close(CHILD_WRITE);
-
- close(PARENT_READ);
- close(PARENT_WRITE);
- execvp(argv[0],argv);
- perror("child");
- exit(1);
- }
-
- /* parent */
- *in= PARENT_READ;
- *out=PARENT_WRITE;
- close(CHILD_READ);
- close(CHILD_WRITE);
- return(pid);
- }
-#endif /* MSDOS */
-
-
-#ifdef undef
- /* Turn on synchronous sockets so that we can do a WaitForMultipleObjects
- * on sockets */
- {
- SOCKET s;
- int optionValue = SO_SYNCHRONOUS_NONALERT;
- int err;
-
- err = setsockopt(
- INVALID_SOCKET,
- SOL_SOCKET,
- SO_OPENTYPE,
- (char *)&optionValue,
- sizeof(optionValue));
- if (err != NO_ERROR) {
- /* failed for some reason... */
- BIO_printf(bio_err, "failed to setsockopt(SO_OPENTYPE, SO_SYNCHRONOUS_ALERT) - %d\n",
- WSAGetLastError());
- }
- }
#endif
projects / openssl.git / blobdiff