2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 /* With IPv6, it looks like Digital has mixed up the proper order of
60 recursive header file inclusion, resulting in the compiler complaining
61 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
62 is needed to have fileno() declared correctly... So let's define u_int */
63 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
65 typedef unsigned int u_int;
79 #include <openssl/ssl.h>
82 #if (__VMS_VER < 70000000) /* FIONBIO used as a switch to enable ioctl,
83 and that isn't in VMS < 7.0 */
86 #include <processes.h> /* for vfork() */
89 static struct hostent *GetHostByName(char *name);
92 #define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
94 #define SOCKET_PROTOCOL IPPROTO_TCP
98 static struct WSAData wsa_state;
99 static int wsa_init_done=0;
102 static HWND topWnd=0;
103 static FARPROC lpTopWndProc=NULL;
104 static FARPROC lpTopHookProc=NULL;
105 extern HINSTANCE _hInstance; /* nice global CRT provides */
107 static LONG FAR PASCAL topHookProc(HWND hwnd, UINT message, WPARAM wParam,
116 SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopWndProc);
121 return CallWindowProc(lpTopWndProc,hwnd,message,wParam,lParam);
124 static BOOL CALLBACK enumproc(HWND hwnd,LPARAM lParam)
133 void sock_cleanup(void)
139 WSACancelBlockingCall();
153 signal(SIGINT,(void (*)(int))sock_cleanup);
156 memset(&wsa_state,0,sizeof(wsa_state));
157 if (WSAStartup(0x0101,&wsa_state)!=0)
159 err=WSAGetLastError();
160 BIO_printf(bio_err,"unable to start WINSOCK, error code=%d\n",err);
165 EnumTaskWindows(GetCurrentTask(),enumproc,0L);
166 lpTopWndProc=(FARPROC)GetWindowLong(topWnd,GWL_WNDPROC);
167 lpTopHookProc=MakeProcInstance((FARPROC)topHookProc,_hInstance);
169 SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopHookProc);
176 int init_client(int *sock, char *host, int port)
181 if (!host_ip(host,&(ip[0])))
186 return(init_client_ip(sock,ip,port));
189 int init_client_ip(int *sock, unsigned char ip[4], int port)
192 struct sockaddr_in them;
195 if (!sock_init()) return(0);
197 memset((char *)&them,0,sizeof(them));
198 them.sin_family=AF_INET;
199 them.sin_port=htons((unsigned short)port);
201 ((unsigned long)ip[0]<<24L)|
202 ((unsigned long)ip[1]<<16L)|
203 ((unsigned long)ip[2]<< 8L)|
204 ((unsigned long)ip[3]);
205 them.sin_addr.s_addr=htonl(addr);
207 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
208 if (s == INVALID_SOCKET) { perror("socket"); return(0); }
211 i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
212 if (i < 0) { perror("keepalive"); return(0); }
214 if (connect(s,(struct sockaddr *)&them,sizeof(them)) == -1)
215 { close(s); perror("connect"); return(0); }
220 int nbio_sock_error(int sock)
226 /* Note: under VMS with SOCKETSHR the third parameter is currently
227 * of type (int *) whereas under other systems it is (void *) if
228 * you don't have a cast it will choke the compiler: if you do
229 * have a cast then you can either go for (int *) or (void *).
231 i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(char *)&j,(void *)&size);
238 int nbio_init_client_ip(int *sock, unsigned char ip[4], int port)
241 struct sockaddr_in them;
244 if (!sock_init()) return(0);
246 memset((char *)&them,0,sizeof(them));
247 them.sin_family=AF_INET;
248 them.sin_port=htons((unsigned short)port);
249 addr= (unsigned long)
250 ((unsigned long)ip[0]<<24L)|
251 ((unsigned long)ip[1]<<16L)|
252 ((unsigned long)ip[2]<< 8L)|
253 ((unsigned long)ip[3]);
254 them.sin_addr.s_addr=htonl(addr);
262 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
263 if (s == INVALID_SOCKET) { perror("socket"); return(0); }
266 i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
267 if (i < 0) { perror("keepalive"); return(0); }
271 BIO_socket_ioctl(s,FIONBIO,&l);
277 i=connect(s,(struct sockaddr *)&them,sizeof(them));
278 if (i == INVALID_SOCKET)
280 if (BIO_sock_should_retry(i))
289 int do_server(int port, int *ret, int (*cb)(), char *context)
296 if (!init_server(&accept_socket,port)) return(0);
305 if (do_accept(accept_socket,&sock,&name) == 0)
307 SHUTDOWN(accept_socket);
310 i=(*cb)(name,sock, context);
311 if (name != NULL) Free(name);
315 SHUTDOWN2(accept_socket);
321 int init_server_long(int *sock, int port, char *ip)
324 struct sockaddr_in server;
327 if (!sock_init()) return(0);
329 memset((char *)&server,0,sizeof(server));
330 server.sin_family=AF_INET;
331 server.sin_port=htons((unsigned short)port);
333 server.sin_addr.s_addr=INADDR_ANY;
335 /* Added for T3E, address-of fails on bit field (beckman@acl.lanl.gov) */
336 #ifndef BIT_FIELD_LIMITS
337 memcpy(&server.sin_addr.s_addr,ip,4);
339 memcpy(&server.sin_addr,ip,4);
341 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
343 if (s == INVALID_SOCKET) goto err;
344 #if defined SOL_SOCKET && defined SO_REUSEADDR
347 setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
348 (void *) &j, sizeof j);
351 if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
358 /* Make it 128 for linux */
359 if (listen(s,128) == -1) goto err;
364 if ((ret == 0) && (s != -1))
371 int init_server(int *sock, int port)
373 return(init_server_long(sock, port, NULL));
376 int do_accept(int acc_sock, int *sock, char **host)
379 struct hostent *h1,*h2;
380 static struct sockaddr_in from;
382 /* struct linger ling; */
384 if (!sock_init()) return(0);
390 memset((char *)&from,0,sizeof(from));
392 /* Note: under VMS with SOCKETSHR the fourth parameter is currently
393 * of type (int *) whereas under other systems it is (void *) if
394 * you don't have a cast it will choke the compiler: if you do
395 * have a cast then you can either go for (int *) or (void *).
397 ret=accept(acc_sock,(struct sockaddr *)&from,(void *)&len);
398 if (ret == INVALID_SOCKET)
402 BIO_printf(bio_err,"accept error %d\n",i);
406 /*check_timeout(); */
409 fprintf(stderr,"errno=%d ",errno);
418 i=setsockopt(ret,SOL_SOCKET,SO_LINGER,(char *)&ling,sizeof(ling));
419 if (i < 0) { perror("linger"); return(0); }
421 i=setsockopt(ret,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i));
422 if (i < 0) { perror("keepalive"); return(0); }
425 if (host == NULL) goto end;
426 #ifndef BIT_FIELD_LIMITS
427 /* I should use WSAAsyncGetHostByName() under windows */
428 h1=gethostbyaddr((char *)&from.sin_addr.s_addr,
429 sizeof(from.sin_addr.s_addr),AF_INET);
431 h1=gethostbyaddr((char *)&from.sin_addr,
432 sizeof(struct in_addr),AF_INET);
436 BIO_printf(bio_err,"bad gethostbyaddr\n");
442 if ((*host=(char *)Malloc(strlen(h1->h_name)+1)) == NULL)
447 strcpy(*host,h1->h_name);
449 h2=GetHostByName(*host);
452 BIO_printf(bio_err,"gethostbyname failure\n");
456 if (h2->h_addrtype != AF_INET)
458 BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
467 int extract_host_port(char *str, char **host_ptr, unsigned char *ip,
476 BIO_printf(bio_err,"no port defined\n");
481 if ((ip != NULL) && !host_ip(str,ip))
483 if (host_ptr != NULL) *host_ptr=h;
485 if (!extract_port(p,port_ptr))
492 int host_ip(char *str, unsigned char ip[4])
497 if (sscanf(str,"%d.%d.%d.%d",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
502 BIO_printf(bio_err,"invalid IP address\n");
511 { /* do a gethostbyname */
514 if (!sock_init()) return(0);
516 he=GetHostByName(str);
519 BIO_printf(bio_err,"gethostbyname failure\n");
522 /* cast to short because of win16 winsock definition */
523 if ((short)he->h_addrtype != AF_INET)
525 BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
528 ip[0]=he->h_addr_list[0][0];
529 ip[1]=he->h_addr_list[0][1];
530 ip[2]=he->h_addr_list[0][2];
531 ip[3]=he->h_addr_list[0][3];
538 int extract_port(char *str, short *port_ptr)
545 *port_ptr=(unsigned short)i;
548 s=getservbyname(str,"tcp");
551 BIO_printf(bio_err,"getservbyname failure for %s\n",str);
554 *port_ptr=ntohs((unsigned short)s->s_port);
560 static struct ghbn_cache_st
565 } ghbn_cache[GHBN_NUM];
567 static unsigned long ghbn_hits=0L;
568 static unsigned long ghbn_miss=0L;
570 static struct hostent *GetHostByName(char *name)
574 unsigned long low= (unsigned long)-1;
576 for (i=0; i<GHBN_NUM; i++)
578 if (low > ghbn_cache[i].order)
580 low=ghbn_cache[i].order;
583 if (ghbn_cache[i].order > 0)
585 if (strncmp(name,ghbn_cache[i].name,128) == 0)
589 if (i == GHBN_NUM) /* no hit*/
592 ret=gethostbyname(name);
593 if (ret == NULL) return(NULL);
594 /* else add to cache */
595 strncpy(ghbn_cache[lowi].name,name,128);
596 memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent));
597 ghbn_cache[lowi].order=ghbn_miss+ghbn_hits;
603 ret= &(ghbn_cache[i].ent);
604 ghbn_cache[i].order=ghbn_miss+ghbn_hits;
610 int spawn(int argc, char **argv, int *in, int *out)
613 #define CHILD_READ p1[0]
614 #define CHILD_WRITE p2[1]
615 #define PARENT_READ p2[0]
616 #define PARENT_WRITE p1[1]
619 if ((pipe(p1) < 0) || (pipe(p2) < 0)) return(-1);
622 if ((pid=vfork()) == 0)
624 if ((pid=fork()) == 0)
627 if (dup2(CHILD_WRITE,fileno(stdout)) < 0)
629 if (dup2(CHILD_WRITE,fileno(stderr)) < 0)
631 if (dup2(CHILD_READ,fileno(stdin)) < 0)
638 execvp(argv[0],argv);
654 /* Turn on synchronous sockets so that we can do a WaitForMultipleObjects
658 int optionValue = SO_SYNCHRONOUS_NONALERT;
665 (char *)&optionValue,
666 sizeof(optionValue));
667 if (err != NO_ERROR) {
668 /* failed for some reason... */
669 BIO_printf(bio_err, "failed to setsockopt(SO_OPENTYPE, SO_SYNCHRONOUS_ALERT) - %d\n",