* [including the GNU Public Licence.]
*/
-#ifndef OPENSSL_NO_SOCK
-
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#define USE_SOCKETS
#include "cryptlib.h"
#include <openssl/bio.h>
+#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
+#include "netdb.h"
+#endif
+
+#ifndef OPENSSL_NO_SOCK
+
+#include <openssl/dso.h>
-#ifdef OPENSSL_SYS_WIN16
-#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
-#else
#define SOCKET_PROTOCOL IPPROTO_TCP
-#endif
#ifdef SO_MAXCONN
-#define MAX_LISTEN SOMAXCONN
-#elif defined(SO_MAXCONN)
#define MAX_LISTEN SO_MAXCONN
+#elif defined(SOMAXCONN)
+#define MAX_LISTEN SOMAXCONN
#else
#define MAX_LISTEN 32
#endif
-#ifdef OPENSSL_SYS_WINDOWS
+#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
static int wsa_init_done=0;
#endif
+#if 0
static unsigned long BIO_ghbn_hits=0L;
static unsigned long BIO_ghbn_miss=0L;
struct hostent *ent;
unsigned long order;
} ghbn_cache[GHBN_NUM];
+#endif
static int get_ip(const char *str,unsigned char *ip);
+#if 0
static void ghbn_free(struct hostent *a);
static struct hostent *ghbn_dup(struct hostent *a);
+#endif
int BIO_get_host_ip(const char *str, unsigned char *ip)
{
int i;
return(j);
}
+#if 0
long BIO_ghbn_ctrl(int cmd, int iarg, char *parg)
{
int i;
}
return(1);
}
+#endif
+#if 0
static struct hostent *ghbn_dup(struct hostent *a)
{
struct hostent *ret;
OPENSSL_free(a);
}
+#endif
+
struct hostent *BIO_gethostbyname(const char *name)
{
+#if 1
+ /* Caching gethostbyname() results forever is wrong,
+ * so we have to let the true gethostbyname() worry about this */
+ return gethostbyname(name);
+#else
struct hostent *ret;
int i,lowi=0,j;
unsigned long low= (unsigned long)-1;
-/* return(gethostbyname(name)); */
-#if 0 /* It doesn't make sense to use locking here: The function interface
- * is not thread-safe, because threads can never be sure when
- * some other thread destroys the data they were given a pointer to.
- */
+# if 0
+ /* It doesn't make sense to use locking here: The function interface
+ * is not thread-safe, because threads can never be sure when
+ * some other thread destroys the data they were given a pointer to.
+ */
CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
-#endif
+# endif
j=strlen(name);
if (j < 128)
{
* parameter is 'char *', instead of 'const char *'
*/
ret=gethostbyname(
-#ifndef CONST_STRICT
+# ifndef CONST_STRICT
(char *)
-#endif
+# endif
name);
if (ret == NULL)
goto end;
if (j > 128) /* too big to cache */
{
-#if 0 /* If we were trying to make this function thread-safe (which
- * is bound to fail), we'd have to give up in this case
- * (or allocate more memory). */
+# if 0
+ /* If we were trying to make this function thread-safe (which
+ * is bound to fail), we'd have to give up in this case
+ * (or allocate more memory). */
ret = NULL;
-#endif
+# endif
goto end;
}
ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits;
}
end:
-#if 0
+# if 0
CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
-#endif
+# endif
return(ret);
+#endif
}
+
int BIO_sock_init(void)
{
#ifdef OPENSSL_SYS_WINDOWS
#endif
wsa_init_done=1;
memset(&wsa_state,0,sizeof(wsa_state));
- if (WSAStartup(0x0101,&wsa_state)!=0)
+ /* Not making wsa_state available to the rest of the
+ * code is formally wrong. But the structures we use
+ * are [beleived to be] invariable among Winsock DLLs,
+ * while API availability is [expected to be] probed
+ * at run-time with DSO_global_lookup. */
+ if (WSAStartup(0x0202,&wsa_state)!=0)
{
err=WSAGetLastError();
SYSerr(SYS_F_WSASTARTUP,err);
}
}
#endif /* OPENSSL_SYS_WINDOWS */
+#ifdef WATT32
+ extern int _watt_do_exit;
+ _watt_do_exit = 0; /* don't make sock_init() call exit() */
+ if (sock_init())
+ return (-1);
+#endif
+
+#if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+ WORD wVerReq;
+ WSADATA wsaData;
+ int err;
+
+ if (!wsa_init_done)
+ {
+
+# ifdef SIGINT
+ signal(SIGINT,(void (*)(int))BIO_sock_cleanup);
+# endif
+
+ wsa_init_done=1;
+ wVerReq = MAKEWORD( 2, 0 );
+ err = WSAStartup(wVerReq,&wsaData);
+ if (err != 0)
+ {
+ SYSerr(SYS_F_WSASTARTUP,err);
+ BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
+ return(-1);
+ }
+ }
+#endif
+
return(1);
}
if (wsa_init_done)
{
wsa_init_done=0;
+#ifndef OPENSSL_SYS_WINCE
WSACancelBlockingCall();
+#endif
WSACleanup();
}
+#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
+ if (wsa_init_done)
+ {
+ wsa_init_done=0;
+ WSACleanup();
+ }
#endif
}
#if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000
-int BIO_socket_ioctl(int fd, long type, unsigned long *arg)
+int BIO_socket_ioctl(int fd, long type, void *arg)
{
int i;
+#ifdef __DJGPP__
+ i=ioctlsocket(fd,type,(char *)arg);
+#else
i=ioctlsocket(fd,type,arg);
+#endif /* __DJGPP__ */
if (i < 0)
SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error());
return(i);
{
ok=1;
tmp[num]=tmp[num]*10+c-'0';
- if (tmp[num] > 255) return(-1);
+ if (tmp[num] > 255) return(0);
}
else if (c == '.')
{
if (!ok) return(-1);
- if (num == 3) break;
+ if (num == 3) return(0);
num++;
ok=0;
}
- else if ((num == 3) && ok)
+ else if (c == '\0' && (num == 3) && ok)
break;
else
return(0);
int BIO_get_accept_socket(char *host, int bind_mode)
{
int ret=0;
- struct sockaddr_in server,client;
+ struct sockaddr server,client;
+ struct sockaddr_in *sin;
int s=INVALID_SOCKET,cs;
unsigned char ip[4];
unsigned short port;
char *str=NULL,*e;
- const char *h,*p;
+ char *h,*p;
unsigned long l;
int err_num;
{
if (*e == ':')
{
- p= &(e[1]);
- *e='\0';
+ p=e;
}
else if (*e == '/')
{
break;
}
}
-
- if (p == NULL)
+ if (p) *p++='\0'; /* points at last ':', '::port' is special [see below] */
+ else p=h,h=NULL;
+
+#ifdef EAI_FAMILY
+ do {
+ static union { void *p;
+ int (*f)(const char *,const char *,
+ const struct addrinfo *,
+ struct addrinfo **);
+ } getaddrinfo = {NULL};
+ static union { void *p;
+ void (*f)(struct addrinfo *);
+ } freeaddrinfo = {NULL};
+ struct addrinfo *res,hint;
+
+ if (getaddrinfo.p==NULL)
+ {
+ if ((getaddrinfo.p=DSO_global_lookup("getaddrinfo"))==NULL ||
+ (freeaddrinfo.p=DSO_global_lookup("freeaddrinfo"))==NULL)
+ getaddrinfo.p=(void*)-1;
+ }
+ if (getaddrinfo.p==(void *)-1) break;
+
+ /* '::port' enforces IPv6 wildcard listener. Some OSes,
+ * e.g. Solaris, default to IPv6 without any hint. Also
+ * note that commonly IPv6 wildchard socket can service
+ * IPv4 connections just as well... */
+ memset(&hint,0,sizeof(hint));
+ if (h)
{
- p=h;
- h="*";
+ if (strchr(h,':'))
+ {
+ if (h[1]=='\0') h=NULL;
+#ifdef AF_INET6
+ hint.ai_family = AF_INET6;
+#else
+ h=NULL;
+#endif
+ }
+ else if (h[0]=='*' && h[1]=='\0')
+ h=NULL;
}
+ if ((*getaddrinfo.f)(h,p,&hint,&res)) break;
+ server = *res->ai_addr;
+ (*freeaddrinfo.f)(res);
+ goto again;
+ } while (0);
+#endif
+
if (!BIO_get_port(p,&port)) goto err;
memset((char *)&server,0,sizeof(server));
- server.sin_family=AF_INET;
- server.sin_port=htons(port);
+ sin = (struct sockaddr_in *)&server;
+ sin->sin_family=AF_INET;
+ sin->sin_port=htons(port);
- if (strcmp(h,"*") == 0)
- server.sin_addr.s_addr=INADDR_ANY;
+ if (h == NULL || strcmp(h,"*") == 0)
+ sin->sin_addr.s_addr=INADDR_ANY;
else
{
if (!BIO_get_host_ip(h,&(ip[0]))) goto err;
((unsigned long)ip[1]<<16L)|
((unsigned long)ip[2]<< 8L)|
((unsigned long)ip[3]);
- server.sin_addr.s_addr=htonl(l);
+ sin->sin_addr.s_addr=htonl(l);
}
again:
- s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ s=socket(server.sa_family,SOCK_STREAM,SOCKET_PROTOCOL);
if (s == INVALID_SOCKET)
{
SYSerr(SYS_F_SOCKET,get_last_socket_error());
bind_mode=BIO_BIND_NORMAL;
}
#endif
- if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
+ if (bind(s,&server,sizeof(server)) == -1)
{
#ifdef SO_REUSEADDR
err_num=get_last_socket_error();
if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) &&
(err_num == EADDRINUSE))
{
- memcpy((char *)&client,(char *)&server,sizeof(server));
- if (strcmp(h,"*") == 0)
- client.sin_addr.s_addr=htonl(0x7F000001);
- cs=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
+ client = server;
+ if (h == NULL || strcmp(h,"*") == 0)
+ {
+#ifdef AF_INET6
+ if (client.sa_family == AF_INET6)
+ {
+ struct sockaddr_in6 *sin =
+ (struct sockaddr_in6 *)&client;
+ memset(&sin->sin6_addr,0,sizeof(sin->sin6_addr));
+ sin->sin6_addr.s6_addr[15]=1;
+ }
+ else
+#endif
+ if (client.sa_family == AF_INET)
+ {
+ struct sockaddr_in *sin =
+ (struct sockaddr_in *)&client;
+ sin->sin_addr.s_addr=htonl(0x7F000001);
+ }
+ else goto err;
+ }
+ cs=socket(client.sa_family,SOCK_STREAM,SOCKET_PROTOCOL);
if (cs != INVALID_SOCKET)
{
int ii;
int BIO_accept(int sock, char **addr)
{
int ret=INVALID_SOCKET;
- static struct sockaddr_in from;
+ struct sockaddr from;
+ struct sockaddr_in *sin;
unsigned long l;
unsigned short port;
int len;
char *p;
- memset((char *)&from,0,sizeof(from));
+ memset(&from,0,sizeof(from));
len=sizeof(from);
/* 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(sock,(struct sockaddr *)&from,(void *)&len);
+ ret=accept(sock,&from,(void *)&len);
if (ret == INVALID_SOCKET)
{
if(BIO_sock_should_retry(ret)) return -2;
if (addr == NULL) goto end;
- l=ntohl(from.sin_addr.s_addr);
- port=ntohs(from.sin_port);
+#ifdef EAI_FAMILY
+# ifdef OPENSSL_SYS_VMS
+# define SOCKLEN_T size_t
+# else
+# define SOCKLEN_T socklen_t
+#endif
+ do {
+ char h[NI_MAXHOST],s[NI_MAXSERV];
+ size_t l;
+ static union { void *p;
+ int (*f)(const struct sockaddr *,SOCKLEN_T,
+ char *,size_t,char *,size_t,int);
+ } getnameinfo = {NULL};
+
+ if (getnameinfo.p==NULL)
+ {
+ if ((getnameinfo.p=DSO_global_lookup("getnameinfo"))==NULL)
+ getnameinfo.p=(void*)-1;
+ }
+ if (getnameinfo.p==(void *)-1) break;
+
+ if ((*getnameinfo.f)(&from,sizeof(from),h,sizeof(h),s,sizeof(s),
+ NI_NUMERICHOST|NI_NUMERICSERV)) break;
+ l = strlen(h)+strlen(s)+2; if (len<24) len=24;
+ p = *addr;
+ if (p) { *p = '\0'; p = OPENSSL_realloc(p,l); }
+ else { p = OPENSSL_malloc(l); }
+ if (p==NULL)
+ {
+ BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
+ goto end;
+ }
+ *addr = p;
+ BIO_snprintf(*addr,l,"%s:%s",h,s);
+ goto end;
+ } while(0);
+#endif
+ if (from.sa_family != AF_INET) goto end;
+ sin = (struct sockaddr_in *)&from;
+ l=ntohl(sin->sin_addr.s_addr);
+ port=ntohs(sin->sin_port);
if (*addr == NULL)
{
if ((p=OPENSSL_malloc(24)) == NULL)
}
*addr=p;
}
- sprintf(*addr,"%d.%d.%d.%d:%d",
- (unsigned char)(l>>24L)&0xff,
- (unsigned char)(l>>16L)&0xff,
- (unsigned char)(l>> 8L)&0xff,
- (unsigned char)(l )&0xff,
- port);
+ BIO_snprintf(*addr,24,"%d.%d.%d.%d:%d",
+ (unsigned char)(l>>24L)&0xff,
+ (unsigned char)(l>>16L)&0xff,
+ (unsigned char)(l>> 8L)&0xff,
+ (unsigned char)(l )&0xff,
+ port);
end:
return(ret);
}
int BIO_socket_nbio(int s, int mode)
{
int ret= -1;
- unsigned long l;
+ int l;
l=mode;
#ifdef FIONBIO
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