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-rw-r--r--crypto/bio/b_sock.c723
1 files changed, 0 insertions, 723 deletions
diff --git a/crypto/bio/b_sock.c b/crypto/bio/b_sock.c
deleted file mode 100644
index da2ff29..0000000
--- a/crypto/bio/b_sock.c
+++ /dev/null
@@ -1,723 +0,0 @@
-/* crypto/bio/b_sock.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#ifndef NO_SOCK
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
-
-#ifdef 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
-#else
-#define MAX_LISTEN 32
-#endif
-
-#ifdef WINDOWS
-static int wsa_init_done=0;
-#endif
-
-static unsigned long BIO_ghbn_hits=0L;
-static unsigned long BIO_ghbn_miss=0L;
-
-#define GHBN_NUM 4
-static struct ghbn_cache_st
- {
- char name[129];
- struct hostent *ent;
- unsigned long order;
- } ghbn_cache[GHBN_NUM];
-
-static int get_ip(const char *str,unsigned char *ip);
-static void ghbn_free(struct hostent *a);
-static struct hostent *ghbn_dup(struct hostent *a);
-int BIO_get_host_ip(const char *str, unsigned char *ip)
- {
- int i;
- int err = 1;
- int locked = 0;
- struct hostent *he;
-
- i=get_ip(str,ip);
- if (i < 0)
- {
- BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS);
- goto err;
- }
-
- /* At this point, we have something that is most probably correct
- in some way, so let's init the socket. */
- if (BIO_sock_init() != 1)
- return 0; /* don't generate another error code here */
-
- /* If the string actually contained an IP address, we need not do
- anything more */
- if (i > 0) return(1);
-
- /* do a gethostbyname */
- CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
- locked = 1;
- he=BIO_gethostbyname(str);
- if (he == NULL)
- {
- BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP);
- goto err;
- }
-
- /* cast to short because of win16 winsock definition */
- if ((short)he->h_addrtype != AF_INET)
- {
- BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
- goto err;
- }
- for (i=0; i<4; i++)
- ip[i]=he->h_addr_list[0][i];
- err = 0;
-
- err:
- if (locked)
- CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
- if (err)
- {
- ERR_add_error_data(2,"host=",str);
- return 0;
- }
- else
- return 1;
- }
-
-int BIO_get_port(const char *str, unsigned short *port_ptr)
- {
- int i;
- struct servent *s;
-
- if (str == NULL)
- {
- BIOerr(BIO_F_BIO_GET_PORT,BIO_R_NO_PORT_DEFINED);
- return(0);
- }
- i=atoi(str);
- if (i != 0)
- *port_ptr=(unsigned short)i;
- else
- {
- CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME);
- /* Note: under VMS with SOCKETSHR, it seems like the first
- * parameter is 'char *', instead of 'const char *'
- */
- s=getservbyname(
-#ifndef CONST_STRICT
- (char *)
-#endif
- str,"tcp");
- if(s != NULL)
- *port_ptr=ntohs((unsigned short)s->s_port);
- CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME);
- if(s == NULL)
- {
- if (strcmp(str,"http") == 0)
- *port_ptr=80;
- else if (strcmp(str,"telnet") == 0)
- *port_ptr=23;
- else if (strcmp(str,"socks") == 0)
- *port_ptr=1080;
- else if (strcmp(str,"https") == 0)
- *port_ptr=443;
- else if (strcmp(str,"ssl") == 0)
- *port_ptr=443;
- else if (strcmp(str,"ftp") == 0)
- *port_ptr=21;
- else if (strcmp(str,"gopher") == 0)
- *port_ptr=70;
-#if 0
- else if (strcmp(str,"wais") == 0)
- *port_ptr=21;
-#endif
- else
- {
- SYSerr(SYS_F_GETSERVBYNAME,get_last_socket_error());
- ERR_add_error_data(3,"service='",str,"'");
- return(0);
- }
- }
- }
- return(1);
- }
-
-int BIO_sock_error(int sock)
- {
- int j,i;
- int size;
-
- size=sizeof(int);
- /* Note: under Windows the third parameter is of type (char *)
- * 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 (char *) or (void *).
- */
- i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(void *)&j,(void *)&size);
- if (i < 0)
- return(1);
- else
- return(j);
- }
-
-long BIO_ghbn_ctrl(int cmd, int iarg, char *parg)
- {
- int i;
- char **p;
-
- switch (cmd)
- {
- case BIO_GHBN_CTRL_HITS:
- return(BIO_ghbn_hits);
- /* break; */
- case BIO_GHBN_CTRL_MISSES:
- return(BIO_ghbn_miss);
- /* break; */
- case BIO_GHBN_CTRL_CACHE_SIZE:
- return(GHBN_NUM);
- /* break; */
- case BIO_GHBN_CTRL_GET_ENTRY:
- if ((iarg >= 0) && (iarg <GHBN_NUM) &&
- (ghbn_cache[iarg].order > 0))
- {
- p=(char **)parg;
- if (p == NULL) return(0);
- *p=ghbn_cache[iarg].name;
- ghbn_cache[iarg].name[128]='\0';
- return(1);
- }
- return(0);
- /* break; */
- case BIO_GHBN_CTRL_FLUSH:
- for (i=0; i<GHBN_NUM; i++)
- ghbn_cache[i].order=0;
- break;
- default:
- return(0);
- }
- return(1);
- }
-
-static struct hostent *ghbn_dup(struct hostent *a)
- {
- struct hostent *ret;
- int i,j;
-
- MemCheck_off();
- ret=(struct hostent *)OPENSSL_malloc(sizeof(struct hostent));
- if (ret == NULL) return(NULL);
- memset(ret,0,sizeof(struct hostent));
-
- for (i=0; a->h_aliases[i] != NULL; i++)
- ;
- i++;
- ret->h_aliases = (char **)OPENSSL_malloc(i*sizeof(char *));
- if (ret->h_aliases == NULL)
- goto err;
- memset(ret->h_aliases, 0, i*sizeof(char *));
-
- for (i=0; a->h_addr_list[i] != NULL; i++)
- ;
- i++;
- ret->h_addr_list=(char **)OPENSSL_malloc(i*sizeof(char *));
- if (ret->h_addr_list == NULL)
- goto err;
- memset(ret->h_addr_list, 0, i*sizeof(char *));
-
- j=strlen(a->h_name)+1;
- if ((ret->h_name=OPENSSL_malloc(j)) == NULL) goto err;
- memcpy((char *)ret->h_name,a->h_name,j);
- for (i=0; a->h_aliases[i] != NULL; i++)
- {
- j=strlen(a->h_aliases[i])+1;
- if ((ret->h_aliases[i]=OPENSSL_malloc(j)) == NULL) goto err;
- memcpy(ret->h_aliases[i],a->h_aliases[i],j);
- }
- ret->h_length=a->h_length;
- ret->h_addrtype=a->h_addrtype;
- for (i=0; a->h_addr_list[i] != NULL; i++)
- {
- if ((ret->h_addr_list[i]=OPENSSL_malloc(a->h_length)) == NULL)
- goto err;
- memcpy(ret->h_addr_list[i],a->h_addr_list[i],a->h_length);
- }
- if (0)
- {
-err:
- if (ret != NULL)
- ghbn_free(ret);
- ret=NULL;
- }
- MemCheck_on();
- return(ret);
- }
-
-static void ghbn_free(struct hostent *a)
- {
- int i;
-
- if(a == NULL)
- return;
-
- if (a->h_aliases != NULL)
- {
- for (i=0; a->h_aliases[i] != NULL; i++)
- OPENSSL_free(a->h_aliases[i]);
- OPENSSL_free(a->h_aliases);
- }
- if (a->h_addr_list != NULL)
- {
- for (i=0; a->h_addr_list[i] != NULL; i++)
- OPENSSL_free(a->h_addr_list[i]);
- OPENSSL_free(a->h_addr_list);
- }
- if (a->h_name != NULL) OPENSSL_free(a->h_name);
- OPENSSL_free(a);
- }
-
-struct hostent *BIO_gethostbyname(const char *name)
- {
- 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.
- */
- CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
-#endif
- j=strlen(name);
- if (j < 128)
- {
- for (i=0; i<GHBN_NUM; i++)
- {
- if (low > ghbn_cache[i].order)
- {
- low=ghbn_cache[i].order;
- lowi=i;
- }
- if (ghbn_cache[i].order > 0)
- {
- if (strncmp(name,ghbn_cache[i].name,128) == 0)
- break;
- }
- }
- }
- else
- i=GHBN_NUM;
-
- if (i == GHBN_NUM) /* no hit*/
- {
- BIO_ghbn_miss++;
- /* Note: under VMS with SOCKETSHR, it seems like the first
- * parameter is 'char *', instead of 'const char *'
- */
- ret=gethostbyname(
-#ifndef CONST_STRICT
- (char *)
-#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). */
- ret = NULL;
-#endif
- goto end;
- }
-
- /* else add to cache */
- if (ghbn_cache[lowi].ent != NULL)
- ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */
- ghbn_cache[lowi].name[0] = '\0';
-
- if((ret=ghbn_cache[lowi].ent=ghbn_dup(ret)) == NULL)
- {
- BIOerr(BIO_F_BIO_GETHOSTBYNAME,ERR_R_MALLOC_FAILURE);
- goto end;
- }
- strncpy(ghbn_cache[lowi].name,name,128);
- ghbn_cache[lowi].order=BIO_ghbn_miss+BIO_ghbn_hits;
- }
- else
- {
- BIO_ghbn_hits++;
- ret= ghbn_cache[i].ent;
- ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits;
- }
-end:
-#if 0
- CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
-#endif
- return(ret);
- }
-
-int BIO_sock_init(void)
- {
-#ifdef WINDOWS
- static struct WSAData wsa_state;
-
- if (!wsa_init_done)
- {
- int err;
-
-#ifdef SIGINT
- signal(SIGINT,(void (*)(int))BIO_sock_cleanup);
-#endif
- wsa_init_done=1;
- memset(&wsa_state,0,sizeof(wsa_state));
- if (WSAStartup(0x0101,&wsa_state)!=0)
- {
- err=WSAGetLastError();
- SYSerr(SYS_F_WSASTARTUP,err);
- BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
- return(-1);
- }
- }
-#endif /* WINDOWS */
- return(1);
- }
-
-void BIO_sock_cleanup(void)
- {
-#ifdef WINDOWS
- if (wsa_init_done)
- {
- wsa_init_done=0;
- WSACancelBlockingCall();
- WSACleanup();
- }
-#endif
- }
-
-#if !defined(VMS) || __VMS_VER >= 70000000
-
-int BIO_socket_ioctl(int fd, long type, unsigned long *arg)
- {
- int i;
-
- i=ioctlsocket(fd,type,arg);
- if (i < 0)
- SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error());
- return(i);
- }
-#endif /* __VMS_VER */
-
-/* The reason I have implemented this instead of using sscanf is because
- * Visual C 1.52c gives an unresolved external when linking a DLL :-( */
-static int get_ip(const char *str, unsigned char ip[4])
- {
- unsigned int tmp[4];
- int num=0,c,ok=0;
-
- tmp[0]=tmp[1]=tmp[2]=tmp[3]=0;
-
- for (;;)
- {
- c= *(str++);
- if ((c >= '0') && (c <= '9'))
- {
- ok=1;
- tmp[num]=tmp[num]*10+c-'0';
- if (tmp[num] > 255) return(-1);
- }
- else if (c == '.')
- {
- if (!ok) return(-1);
- if (num == 3) break;
- num++;
- ok=0;
- }
- else if ((num == 3) && ok)
- break;
- else
- return(0);
- }
- ip[0]=tmp[0];
- ip[1]=tmp[1];
- ip[2]=tmp[2];
- ip[3]=tmp[3];
- return(1);
- }
-
-int BIO_get_accept_socket(char *host, int bind_mode)
- {
- int ret=0;
- struct sockaddr_in server,client;
- int s= -1,cs;
- unsigned char ip[4];
- unsigned short port;
- char *str,*e;
- const char *h,*p;
- unsigned long l;
- int err_num;
-
- if (BIO_sock_init() != 1) return(INVALID_SOCKET);
-
- if ((str=BUF_strdup(host)) == NULL) return(INVALID_SOCKET);
-
- h=p=NULL;
- h=str;
- for (e=str; *e; e++)
- {
- if (*e == ':')
- {
- p= &(e[1]);
- *e='\0';
- }
- else if (*e == '/')
- {
- *e='\0';
- break;
- }
- }
-
- if (p == NULL)
- {
- p=h;
- h="*";
- }
-
- if (!BIO_get_port(p,&port)) return(INVALID_SOCKET);
-
- memset((char *)&server,0,sizeof(server));
- server.sin_family=AF_INET;
- server.sin_port=htons(port);
-
- if (strcmp(h,"*") == 0)
- server.sin_addr.s_addr=INADDR_ANY;
- else
- {
- if (!BIO_get_host_ip(h,&(ip[0]))) return(INVALID_SOCKET);
- l=(unsigned long)
- ((unsigned long)ip[0]<<24L)|
- ((unsigned long)ip[1]<<16L)|
- ((unsigned long)ip[2]<< 8L)|
- ((unsigned long)ip[3]);
- server.sin_addr.s_addr=htonl(l);
- }
-
-again:
- s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
- if (s == INVALID_SOCKET)
- {
- SYSerr(SYS_F_SOCKET,get_last_socket_error());
- ERR_add_error_data(3,"port='",host,"'");
- BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_CREATE_SOCKET);
- goto err;
- }
-
-#ifdef SO_REUSEADDR
- if (bind_mode == BIO_BIND_REUSEADDR)
- {
- int i=1;
-
- ret=setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&i,sizeof(i));
- bind_mode=BIO_BIND_NORMAL;
- }
-#endif
- if (bind(s,(struct sockaddr *)&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);
- if (cs != INVALID_SOCKET)
- {
- int ii;
- ii=connect(cs,(struct sockaddr *)&client,
- sizeof(client));
- closesocket(cs);
- if (ii == INVALID_SOCKET)
- {
- bind_mode=BIO_BIND_REUSEADDR;
- closesocket(s);
- goto again;
- }
- /* else error */
- }
- /* else error */
- }
-#endif
- SYSerr(SYS_F_BIND,err_num);
- ERR_add_error_data(3,"port='",host,"'");
- BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET);
- goto err;
- }
- if (listen(s,MAX_LISTEN) == -1)
- {
- SYSerr(SYS_F_BIND,get_last_socket_error());
- ERR_add_error_data(3,"port='",host,"'");
- BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET);
- goto err;
- }
- ret=1;
-err:
- if (str != NULL) OPENSSL_free(str);
- if ((ret == 0) && (s != INVALID_SOCKET))
- {
- closesocket(s);
- s= INVALID_SOCKET;
- }
- return(s);
- }
-
-int BIO_accept(int sock, char **addr)
- {
- int ret=INVALID_SOCKET;
- static struct sockaddr_in from;
- unsigned long l;
- unsigned short port;
- int len;
- char *p;
-
- memset((char *)&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);
- if (ret == INVALID_SOCKET)
- {
- if(BIO_sock_should_retry(ret)) return -2;
- SYSerr(SYS_F_ACCEPT,get_last_socket_error());
- BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR);
- goto end;
- }
-
- if (addr == NULL) goto end;
-
- l=ntohl(from.sin_addr.s_addr);
- port=ntohs(from.sin_port);
- if (*addr == NULL)
- {
- if ((p=OPENSSL_malloc(24)) == NULL)
- {
- BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
- goto end;
- }
- *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);
-end:
- return(ret);
- }
-
-int BIO_set_tcp_ndelay(int s, int on)
- {
- int ret=0;
-#if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
- int opt;
-
-#ifdef SOL_TCP
- opt=SOL_TCP;
-#else
-#ifdef IPPROTO_TCP
- opt=IPPROTO_TCP;
-#endif
-#endif
-
- ret=setsockopt(s,opt,TCP_NODELAY,(char *)&on,sizeof(on));
-#endif
- return(ret == 0);
- }
-#endif
-
-int BIO_socket_nbio(int s, int mode)
- {
- int ret= -1;
- unsigned long l;
-
- l=mode;
-#ifdef FIONBIO
- ret=BIO_socket_ioctl(s,FIONBIO,&l);
-#endif
- return(ret == 0);
- }
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