add -naccept <n> option to s_server to automatically exit after <n> connections
[openssl.git] / apps / s_socket.c
index 9812e6d..f73f193 100644 (file)
@@ -66,7 +66,7 @@
    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(VMS) && defined(__DECC) && !defined(__U_INT)
+#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 #define __U_INT
 typedef unsigned int u_int;
 #endif
@@ -79,28 +79,45 @@ typedef unsigned int u_int;
 #include "s_apps.h"
 #include <openssl/ssl.h>
 
+#ifdef FLAT_INC
+#include "e_os.h"
+#else
+#include "../e_os.h"
+#endif
+
+#ifndef OPENSSL_NO_SOCK
+
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
+#include "netdb.h"
+#endif
+
 static struct hostent *GetHostByName(char *name);
-#ifdef WINDOWS
-static void sock_cleanup(void);
+#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
+static void ssl_sock_cleanup(void);
 #endif
-static int sock_init(void);
-static int init_client_ip(int *sock,unsigned char ip[4], int port);
-static int init_server(int *sock, int port);
-static int init_server_long(int *sock, int port,char *ip);
+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(char *str, unsigned char ip[4]);
 
-#ifdef WIN16
+#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;
@@ -116,7 +133,7 @@ static LONG FAR PASCAL topHookProc(HWND hwnd, UINT message, WPARAM wParam,
                case WM_DESTROY:
                case WM_CLOSE:
                        SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopWndProc);
-                       sock_cleanup();
+                       ssl_sock_cleanup();
                        break;
                        }
                }
@@ -129,30 +146,46 @@ static BOOL CALLBACK enumproc(HWND hwnd,LPARAM lParam)
        return(FALSE);
        }
 
-#endif /* WIN32 */
-#endif /* WINDOWS */
+#endif /* OPENSSL_SYS_WIN32 */
+#endif /* OPENSSL_SYS_WINDOWS */
 
-#ifdef WINDOWS
-static void sock_cleanup(void)
+#ifdef OPENSSL_SYS_WINDOWS
+static void ssl_sock_cleanup(void)
        {
        if (wsa_init_done)
                {
                wsa_init_done=0;
+#ifndef OPENSSL_SYS_WINCE
                WSACancelBlockingCall();
+#endif
+               WSACleanup();
+               }
+       }
+#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+static void sock_cleanup(void)
+    {
+    if (wsa_init_done)
+        {
+        wsa_init_done=0;
                WSACleanup();
                }
        }
 #endif
 
-static int sock_init(void)
+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));
@@ -163,38 +196,57 @@ static int sock_init(void)
                        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(int *sock, char *host, int port)
+int init_client(int *sock, 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);
        }
 
-static int init_client_ip(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;
@@ -206,46 +258,61 @@ static int init_client_ip(int *sock, unsigned char ip[4], int port)
                ((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); }
 
-#ifndef MPE
-       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) { 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 do_server(int port, int *ret, int (*cb)(), char *context)
+int do_server(int port, int type, int *ret, int (*cb)(char *hostname, int s, unsigned char *context), unsigned char *context, int naccept)
        {
        int sock;
-       char *name;
-       int accept_socket;
+       char *name = NULL;
+       int accept_socket = 0;
        int i;
 
-       if (!init_server(&accept_socket,port)) return(0);
+       if (!init_server(&accept_socket,port,type)) return(0);
 
        if (ret != NULL)
                {
                *ret=accept_socket;
                /* return(1);*/
                }
-       for (;;)
-               {
-               if (do_accept(accept_socket,&sock,&name) == 0)
+       for (;;)
+               {
+               if (type==SOCK_STREAM)
                        {
-                       SHUTDOWN(accept_socket);
-                       return(0);
+                       if (do_accept(accept_socket,&sock,&name) == 0)
+                               {
+                               SHUTDOWN(accept_socket);
+                               return(0);
+                               }
                        }
+               else
+                       sock = accept_socket;
                i=(*cb)(name,sock, context);
                if (name != NULL) OPENSSL_free(name);
-               SHUTDOWN2(sock);
-               if (i < 0)
+               if (type==SOCK_STREAM)
+                       SHUTDOWN2(sock);
+               if (naccept != -1)
+                       naccept--;
+               if (i < 0 || naccept == 0)
                        {
                        SHUTDOWN2(accept_socket);
                        return(i);
@@ -253,13 +320,13 @@ int do_server(int port, int *ret, int (*cb)(), char *context)
                }
        }
 
-static int init_server_long(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;
@@ -273,7 +340,11 @@ static int init_server_long(int *sock, int port, char *ip)
 #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
@@ -285,14 +356,13 @@ static int init_server_long(int *sock, int port, char *ip)
 #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:
@@ -303,22 +373,22 @@ err:
        return(ret);
        }
 
-static int init_server(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));
        }
 
 static int do_accept(int acc_sock, int *sock, char **host)
        {
-       int ret,i;
+       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
 
@@ -332,7 +402,8 @@ redoit:
        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
@@ -379,7 +450,7 @@ redoit:
                        perror("OPENSSL_malloc");
                        return(0);
                        }
-               strcpy(*host,h1->h_name);
+               BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1);
 
                h2=GetHostByName(*host);
                if (h2 == NULL)
@@ -387,7 +458,6 @@ redoit:
                        BIO_printf(bio_err,"gethostbyname failure\n");
                        return(0);
                        }
-               i=0;
                if (h2->h_addrtype != AF_INET)
                        {
                        BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
@@ -446,7 +516,7 @@ static int host_ip(char *str, unsigned char ip[4])
                { /* do a gethostbyname */
                struct hostent *he;
 
-               if (!sock_init()) return(0);
+               if (!ssl_sock_init()) return(0);
 
                he=GetHostByName(str);
                if (he == NULL)
@@ -527,9 +597,12 @@ static struct hostent *GetHostByName(char *name)
                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
@@ -540,3 +613,5 @@ static struct hostent *GetHostByName(char *name)
                return(ret);
                }
        }
+
+#endif