int main (void) { dbug_init(); sock_init(); print_hosts (host_root); return (0); }
void setup (void) { dbug_init(); sock_init(); #if defined(USE_PROFILER) if (!profile_enable) { profile_enable = 1; if (!profile_init()) exit (-1); } #endif }
int main (void) { const struct hostent *h; const char *host_name = "test-host"; int wait_time; DWORD addr_list [MAX_ADDRESSES+1]; dbug_init(); sock_init(); print_hosts(); wait_time = netdbCacheLife + 1; memset (&addr_list, 0, sizeof(addr_list)); addr_list[0] = htonl (_inet_addr("80.22.33.45")); addr_list[1] = htonl (_inet_addr("222.22.33.46")); addr_list[2] = htonl (_inet_addr("217.22.33.47")); addr_list[3] = htonl (_inet_addr("81.22.33.48")); addr_list[4] = INADDR_NONE; SOCK_DEBUGF (("\nadd_hostent: `%s'", host_name)); add_hostent (NULL, host_name, "some.cname.org", &addr_list[1], addr_list[0], netdbCacheLife); h = gethostbyname (host_name); if (!h) { fprintf (stderr, "gethostbyname() failed!. h_errno = %d\n", h_errno); return (1); } fprintf (stderr, "Waiting for cache-entry to timeout.."); Sleep (wait_time); fprintf (stderr, "gethostbyname() should do a DNS lookup now.\n"); h = gethostbyname (host_name); if (h) fprintf (stderr, "entry didn't timeout!.\n"); #if defined(USE_FORTIFY) Fortify_ListAllMemory(); Fortify_OutputStatistics(); #endif return (0); }
static int ssl_sock_init(void) { #ifdef WATT32 extern int _watt_do_exit; _watt_do_exit = 0; dbug_init(); if (sock_init()) return (0); #elif defined(OPENSSL_SYS_WINDOWS) if (!wsa_init_done) { int err; #ifdef SIGINT signal(SIGINT,(void (*)(int))ssl_sock_cleanup); #endif wsa_init_done=1; memset(&wsa_state,0,sizeof(wsa_state)); if (WSAStartup(0x0101,&wsa_state)!=0) { err=WSAGetLastError(); BIO_printf(bio_err,"unable to start WINSOCK, error code=%d\n",err); return(0); } #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 /* OPENSSL_SYS_WIN16 */ } #endif /* OPENSSL_SYS_WINDOWS */ return(1); }
int MAIN(int argc, char **argv) { int off=0; SSL *con=NULL,*con2=NULL; X509_STORE *store = NULL; int s,k,width,state=0; char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; int cbuf_len,cbuf_off; int sbuf_len,sbuf_off; fd_set readfds,writefds; short port=PORT; int full_log=1; char *host=SSL_HOST_NAME; char *cert_file=NULL,*key_file=NULL; int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; char *passarg = NULL, *pass = NULL; X509 *cert = NULL; EVP_PKEY *key = NULL; char *CApath=NULL,*CAfile=NULL,*cipher=NULL; int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; int crlf=0; int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; SSL_CTX *ctx=NULL; int ret=1,in_init=1,i,nbio_test=0; int starttls_proto = PROTO_OFF; int prexit = 0, vflags = 0; SSL_METHOD *meth=NULL; #ifdef sock_type #undef sock_type #endif int sock_type=SOCK_STREAM; BIO *sbio; char *inrand=NULL; int mbuf_len=0; #ifndef OPENSSL_NO_ENGINE char *engine_id=NULL; ENGINE *e=NULL; #endif #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) struct timeval tv; #endif struct sockaddr peer; int peerlen = sizeof(peer); int enable_timeouts = 0 ; long mtu = 0; #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_client_method(); #elif !defined(OPENSSL_NO_SSL3) meth=SSLv3_client_method(); #elif !defined(OPENSSL_NO_SSL2) meth=SSLv2_client_method(); #endif apps_startup(); c_Pause=0; c_quiet=0; c_ign_eof=0; c_debug=0; c_msg=0; c_showcerts=0; if (bio_err == NULL) bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) { BIO_printf(bio_err,"out of memory\n"); goto end; } verify_depth=0; verify_error=X509_V_OK; #ifdef FIONBIO c_nbio=0; #endif argc--; argv++; while (argc >= 1) { if (strcmp(*argv,"-host") == 0) { if (--argc < 1) goto bad; host= *(++argv); } else if (strcmp(*argv,"-port") == 0) { if (--argc < 1) goto bad; port=atoi(*(++argv)); if (port == 0) goto bad; } else if (strcmp(*argv,"-connect") == 0) { if (--argc < 1) goto bad; if (!extract_host_port(*(++argv),&host,NULL,&port)) goto bad; } else if (strcmp(*argv,"-verify") == 0) { verify=SSL_VERIFY_PEER; if (--argc < 1) goto bad; verify_depth=atoi(*(++argv)); BIO_printf(bio_err,"verify depth is %d\n",verify_depth); } else if (strcmp(*argv,"-cert") == 0) { if (--argc < 1) goto bad; cert_file= *(++argv); } else if (strcmp(*argv,"-certform") == 0) { if (--argc < 1) goto bad; cert_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-crl_check") == 0) vflags |= X509_V_FLAG_CRL_CHECK; else if (strcmp(*argv,"-crl_check_all") == 0) vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; else if (strcmp(*argv,"-prexit") == 0) prexit=1; else if (strcmp(*argv,"-crlf") == 0) crlf=1; else if (strcmp(*argv,"-quiet") == 0) { c_quiet=1; c_ign_eof=1; } else if (strcmp(*argv,"-ign_eof") == 0) c_ign_eof=1; else if (strcmp(*argv,"-pause") == 0) c_Pause=1; else if (strcmp(*argv,"-debug") == 0) c_debug=1; #ifdef WATT32 else if (strcmp(*argv,"-wdebug") == 0) dbug_init(); #endif else if (strcmp(*argv,"-msg") == 0) c_msg=1; else if (strcmp(*argv,"-showcerts") == 0) c_showcerts=1; else if (strcmp(*argv,"-nbio_test") == 0) nbio_test=1; else if (strcmp(*argv,"-state") == 0) state=1; #ifndef OPENSSL_NO_SSL2 else if (strcmp(*argv,"-ssl2") == 0) meth=SSLv2_client_method(); #endif #ifndef OPENSSL_NO_SSL3 else if (strcmp(*argv,"-ssl3") == 0) meth=SSLv3_client_method(); #endif #ifndef OPENSSL_NO_TLS1 else if (strcmp(*argv,"-tls1") == 0) meth=TLSv1_client_method(); #endif #ifndef OPENSSL_NO_DTLS1 else if (strcmp(*argv,"-dtls1") == 0) { meth=DTLSv1_client_method(); sock_type=SOCK_DGRAM; } else if (strcmp(*argv,"-timeout") == 0) enable_timeouts=1; else if (strcmp(*argv,"-mtu") == 0) { if (--argc < 1) goto bad; mtu = atol(*(++argv)); } #endif else if (strcmp(*argv,"-bugs") == 0) bugs=1; else if (strcmp(*argv,"-keyform") == 0) { if (--argc < 1) goto bad; key_format = str2fmt(*(++argv)); } else if (strcmp(*argv,"-pass") == 0) { if (--argc < 1) goto bad; passarg = *(++argv); } else if (strcmp(*argv,"-key") == 0) { if (--argc < 1) goto bad; key_file= *(++argv); } else if (strcmp(*argv,"-reconnect") == 0) { reconnect=5; } else if (strcmp(*argv,"-CApath") == 0) { if (--argc < 1) goto bad; CApath= *(++argv); } else if (strcmp(*argv,"-CAfile") == 0) { if (--argc < 1) goto bad; CAfile= *(++argv); } else if (strcmp(*argv,"-no_tls1") == 0) off|=SSL_OP_NO_TLSv1; else if (strcmp(*argv,"-no_ssl3") == 0) off|=SSL_OP_NO_SSLv3; else if (strcmp(*argv,"-no_ssl2") == 0) off|=SSL_OP_NO_SSLv2; else if (strcmp(*argv,"-serverpref") == 0) off|=SSL_OP_CIPHER_SERVER_PREFERENCE; else if (strcmp(*argv,"-cipher") == 0) { if (--argc < 1) goto bad; cipher= *(++argv); } #ifdef FIONBIO else if (strcmp(*argv,"-nbio") == 0) { c_nbio=1; } #endif else if (strcmp(*argv,"-starttls") == 0) { if (--argc < 1) goto bad; ++argv; if (strcmp(*argv,"smtp") == 0) starttls_proto = PROTO_SMTP; else if (strcmp(*argv,"pop3") == 0) starttls_proto = PROTO_POP3; else if (strcmp(*argv,"imap") == 0) starttls_proto = PROTO_IMAP; else if (strcmp(*argv,"ftp") == 0) starttls_proto = PROTO_FTP; else goto bad; } #ifndef OPENSSL_NO_ENGINE else if (strcmp(*argv,"-engine") == 0) { if (--argc < 1) goto bad; engine_id = *(++argv); } #endif else if (strcmp(*argv,"-rand") == 0) { if (--argc < 1) goto bad; inrand= *(++argv); } else { BIO_printf(bio_err,"unknown option %s\n",*argv); badop=1; break; } argc--; argv++; } if (badop) { bad: sc_usage(); goto end; } OpenSSL_add_ssl_algorithms(); SSL_load_error_strings(); #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine_id, 1); #endif if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { BIO_printf(bio_err, "Error getting password\n"); goto end; } if (key_file == NULL) key_file = cert_file; if (key_file) { key = load_key(bio_err, key_file, key_format, 0, pass, e, "client certificate private key file"); if (!key) { ERR_print_errors(bio_err); goto end; } } if (cert_file) { cert = load_cert(bio_err,cert_file,cert_format, NULL, e, "client certificate file"); if (!cert) { ERR_print_errors(bio_err); goto end; } } if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL && !RAND_status()) { BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); } if (inrand != NULL) BIO_printf(bio_err,"%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); if (bio_c_out == NULL) { if (c_quiet && !c_debug && !c_msg) { bio_c_out=BIO_new(BIO_s_null()); } else { if (bio_c_out == NULL) bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); } } ctx=SSL_CTX_new(meth); if (ctx == NULL) { ERR_print_errors(bio_err); goto end; } if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL|off); else SSL_CTX_set_options(ctx,off); /* DTLS: partial reads end up discarding unread UDP bytes :-( * Setting read ahead solves this problem. */ if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); if (cipher != NULL) if(!SSL_CTX_set_cipher_list(ctx,cipher)) { BIO_printf(bio_err,"error setting cipher list\n"); ERR_print_errors(bio_err); goto end; } #if 0 else SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); #endif SSL_CTX_set_verify(ctx,verify,verify_callback); if (!set_cert_key_stuff(ctx,cert,key)) goto end; if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || (!SSL_CTX_set_default_verify_paths(ctx))) { /* BIO_printf(bio_err,"error setting default verify locations\n"); */ ERR_print_errors(bio_err); /* goto end; */ } store = SSL_CTX_get_cert_store(ctx); X509_STORE_set_flags(store, vflags); con=SSL_new(ctx); #ifndef OPENSSL_NO_KRB5 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) { kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); } #endif /* OPENSSL_NO_KRB5 */ /* SSL_set_cipher_list(con,"RC4-MD5"); */ re_start: if (init_client(&s,host,port,sock_type) == 0) { BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); SHUTDOWN(s); goto end; } BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); #ifdef FIONBIO if (c_nbio) { unsigned long l=1; BIO_printf(bio_c_out,"turning on non blocking io\n"); if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) { ERR_print_errors(bio_err); goto end; } } #endif if (c_Pause & 0x01) con->debug=1; if ( SSL_version(con) == DTLS1_VERSION) { struct timeval timeout; sbio=BIO_new_dgram(s,BIO_NOCLOSE); if (getsockname(s, &peer, (void *)&peerlen) < 0) { BIO_printf(bio_err, "getsockname:errno=%d\n", get_last_socket_error()); SHUTDOWN(s); goto end; } (void)BIO_ctrl_set_connected(sbio, 1, &peer); if ( enable_timeouts) { timeout.tv_sec = 0; timeout.tv_usec = DGRAM_RCV_TIMEOUT; BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); timeout.tv_sec = 0; timeout.tv_usec = DGRAM_SND_TIMEOUT; BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); } if ( mtu > 0) { SSL_set_options(con, SSL_OP_NO_QUERY_MTU); SSL_set_mtu(con, mtu); } else /* want to do MTU discovery */ BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); } else sbio=BIO_new_socket(s,BIO_NOCLOSE); if (nbio_test) { BIO *test; test=BIO_new(BIO_f_nbio_test()); sbio=BIO_push(test,sbio); } if (c_debug) { con->debug=1; BIO_set_callback(sbio,bio_dump_callback); BIO_set_callback_arg(sbio,(char *)bio_c_out); } if (c_msg) { SSL_set_msg_callback(con, msg_cb); SSL_set_msg_callback_arg(con, bio_c_out); } SSL_set_bio(con,sbio,sbio); SSL_set_connect_state(con); /* ok, lets connect */ width=SSL_get_fd(con)+1; read_tty=1; write_tty=0; tty_on=0; read_ssl=1; write_ssl=1; cbuf_len=0; cbuf_off=0; sbuf_len=0; sbuf_off=0; /* This is an ugly hack that does a lot of assumptions */ /* We do have to handle multi-line responses which may come in a single packet or not. We therefore have to use BIO_gets() which does need a buffering BIO. So during the initial chitchat we do push a buffering BIO into the chain that is removed again later on to not disturb the rest of the s_client operation. */ if (starttls_proto == PROTO_SMTP) { int foundit=0; BIO *fbio = BIO_new(BIO_f_buffer()); BIO_push(fbio, sbio); /* wait for multi-line response to end from SMTP */ do { mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); } while (mbuf_len>3 && mbuf[3]=='-'); /* STARTTLS command requires EHLO... */ BIO_printf(fbio,"EHLO openssl.client.net\r\n"); (void)BIO_flush(fbio); /* wait for multi-line response to end EHLO SMTP response */ do { mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); if (strstr(mbuf,"STARTTLS")) foundit=1; } while (mbuf_len>3 && mbuf[3]=='-'); (void)BIO_flush(fbio); BIO_pop(fbio); BIO_free(fbio); if (!foundit) BIO_printf(bio_err, "didn't found starttls in server response," " try anyway...\n"); BIO_printf(sbio,"STARTTLS\r\n"); BIO_read(sbio,sbuf,BUFSIZZ); } else if (starttls_proto == PROTO_POP3) { BIO_read(sbio,mbuf,BUFSIZZ); BIO_printf(sbio,"STLS\r\n"); BIO_read(sbio,sbuf,BUFSIZZ); } else if (starttls_proto == PROTO_IMAP) { int foundit=0; BIO *fbio = BIO_new(BIO_f_buffer()); BIO_push(fbio, sbio); BIO_gets(fbio,mbuf,BUFSIZZ); /* STARTTLS command requires CAPABILITY... */ BIO_printf(fbio,". CAPABILITY\r\n"); (void)BIO_flush(fbio); /* wait for multi-line CAPABILITY response */ do { mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); if (strstr(mbuf,"STARTTLS")) foundit=1; } while (mbuf_len>3 && mbuf[0]!='.'); (void)BIO_flush(fbio); BIO_pop(fbio); BIO_free(fbio); if (!foundit) BIO_printf(bio_err, "didn't found STARTTLS in server response," " try anyway...\n"); BIO_printf(sbio,". STARTTLS\r\n"); BIO_read(sbio,sbuf,BUFSIZZ); } else if (starttls_proto == PROTO_FTP) { BIO *fbio = BIO_new(BIO_f_buffer()); BIO_push(fbio, sbio); /* wait for multi-line response to end from FTP */ do { mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); } while (mbuf_len>3 && mbuf[3]=='-'); (void)BIO_flush(fbio); BIO_pop(fbio); BIO_free(fbio); BIO_printf(sbio,"AUTH TLS\r\n"); BIO_read(sbio,sbuf,BUFSIZZ); } for (;;) { FD_ZERO(&readfds); FD_ZERO(&writefds); if (SSL_in_init(con) && !SSL_total_renegotiations(con)) { in_init=1; tty_on=0; } else { tty_on=1; if (in_init) { in_init=0; print_stuff(bio_c_out,con,full_log); if (full_log > 0) full_log--; if (starttls_proto) { BIO_printf(bio_err,"%s",mbuf); /* We don't need to know any more */ starttls_proto = PROTO_OFF; } if (reconnect) { reconnect--; BIO_printf(bio_c_out,"drop connection and then reconnect\n"); SSL_shutdown(con); SSL_set_connect_state(con); SHUTDOWN(SSL_get_fd(con)); goto re_start; } } } ssl_pending = read_ssl && SSL_pending(con); if (!ssl_pending) { #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) if (tty_on) { if (read_tty) FD_SET(fileno(stdin),&readfds); if (write_tty) FD_SET(fileno(stdout),&writefds); } if (read_ssl) FD_SET(SSL_get_fd(con),&readfds); if (write_ssl) FD_SET(SSL_get_fd(con),&writefds); #else if(!tty_on || !write_tty) { if (read_ssl) FD_SET(SSL_get_fd(con),&readfds); if (write_ssl) FD_SET(SSL_get_fd(con),&writefds); } #endif /* printf("mode tty(%d %d%d) ssl(%d%d)\n", tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ /* Note: under VMS with SOCKETSHR the second 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 *). */ #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) /* Under Windows/DOS we make the assumption that we can * always write to the tty: therefore if we need to * write to the tty we just fall through. Otherwise * we timeout the select every second and see if there * are any keypresses. Note: this is a hack, in a proper * Windows application we wouldn't do this. */ i=0; if(!write_tty) { if(read_tty) { tv.tv_sec = 1; tv.tv_usec = 0; i=select(width,(void *)&readfds,(void *)&writefds, NULL,&tv); #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) if(!i && (!_kbhit() || !read_tty) ) continue; #else if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; #endif } else i=select(width,(void *)&readfds,(void *)&writefds, NULL,NULL); } #elif defined(OPENSSL_SYS_NETWARE) if(!write_tty) { if(read_tty) { tv.tv_sec = 1; tv.tv_usec = 0; i=select(width,(void *)&readfds,(void *)&writefds, NULL,&tv); } else i=select(width,(void *)&readfds,(void *)&writefds, NULL,NULL); } #else i=select(width,(void *)&readfds,(void *)&writefds, NULL,NULL); #endif if ( i < 0) { BIO_printf(bio_err,"bad select %d\n", get_last_socket_error()); goto shut; /* goto end; */ } } if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) { k=SSL_write(con,&(cbuf[cbuf_off]), (unsigned int)cbuf_len); switch (SSL_get_error(con,k)) { case SSL_ERROR_NONE: cbuf_off+=k; cbuf_len-=k; if (k <= 0) goto end; /* we have done a write(con,NULL,0); */ if (cbuf_len <= 0) { read_tty=1; write_ssl=0; } else /* if (cbuf_len > 0) */ { read_tty=0; write_ssl=1; } break; case SSL_ERROR_WANT_WRITE: BIO_printf(bio_c_out,"write W BLOCK\n"); write_ssl=1; read_tty=0; break; case SSL_ERROR_WANT_READ: BIO_printf(bio_c_out,"write R BLOCK\n"); write_tty=0; read_ssl=1; write_ssl=0; break; case SSL_ERROR_WANT_X509_LOOKUP: BIO_printf(bio_c_out,"write X BLOCK\n"); break; case SSL_ERROR_ZERO_RETURN: if (cbuf_len != 0) { BIO_printf(bio_c_out,"shutdown\n"); goto shut; } else { read_tty=1; write_ssl=0; break; } case SSL_ERROR_SYSCALL: if ((k != 0) || (cbuf_len != 0)) { BIO_printf(bio_err,"write:errno=%d\n", get_last_socket_error()); goto shut; } else { read_tty=1; write_ssl=0; } break; case SSL_ERROR_SSL: ERR_print_errors(bio_err); goto shut; } } #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) /* Assume Windows/DOS can always write */ else if (!ssl_pending && write_tty) #else else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) #endif { #ifdef CHARSET_EBCDIC ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); #endif i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len); if (i <= 0) { BIO_printf(bio_c_out,"DONE\n"); goto shut; /* goto end; */ } sbuf_len-=i;; sbuf_off+=i; if (sbuf_len <= 0) { read_ssl=1; write_tty=0; } } else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) { #ifdef RENEG { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } #endif #if 1 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); #else /* Demo for pending and peek :-) */ k=SSL_read(con,sbuf,16); { char zbuf[10240]; printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); } #endif switch (SSL_get_error(con,k)) { case SSL_ERROR_NONE: if (k <= 0) goto end; sbuf_off=0; sbuf_len=k; read_ssl=0; write_tty=1; break; case SSL_ERROR_WANT_WRITE: BIO_printf(bio_c_out,"read W BLOCK\n"); write_ssl=1; read_tty=0; break; case SSL_ERROR_WANT_READ: BIO_printf(bio_c_out,"read R BLOCK\n"); write_tty=0; read_ssl=1; if ((read_tty == 0) && (write_ssl == 0)) write_ssl=1; break; case SSL_ERROR_WANT_X509_LOOKUP: BIO_printf(bio_c_out,"read X BLOCK\n"); break; case SSL_ERROR_SYSCALL: BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error()); goto shut; case SSL_ERROR_ZERO_RETURN: BIO_printf(bio_c_out,"closed\n"); goto shut; case SSL_ERROR_SSL: ERR_print_errors(bio_err); goto shut; /* break; */ } } #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) else if (_kbhit()) #else else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) #endif #elif defined (OPENSSL_SYS_NETWARE) else if (_kbhit()) #else else if (FD_ISSET(fileno(stdin),&readfds)) #endif { if (crlf) { int j, lf_num; i=read(fileno(stdin),cbuf,BUFSIZZ/2); lf_num = 0; /* both loops are skipped when i <= 0 */ for (j = 0; j < i; j++) if (cbuf[j] == '\n') lf_num++; for (j = i-1; j >= 0; j--) { cbuf[j+lf_num] = cbuf[j]; if (cbuf[j] == '\n') { lf_num--; i++; cbuf[j+lf_num] = '\r'; } } assert(lf_num == 0); } else i=read(fileno(stdin),cbuf,BUFSIZZ); if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) { BIO_printf(bio_err,"DONE\n"); goto shut; } if ((!c_ign_eof) && (cbuf[0] == 'R')) { BIO_printf(bio_err,"RENEGOTIATING\n"); SSL_renegotiate(con); cbuf_len=0; } else { cbuf_len=i; cbuf_off=0; #ifdef CHARSET_EBCDIC ebcdic2ascii(cbuf, cbuf, i); #endif } write_ssl=1; read_tty=0; } } shut: SSL_shutdown(con); SHUTDOWN(SSL_get_fd(con)); ret=0; end: if(prexit) print_stuff(bio_c_out,con,1); if (con != NULL) SSL_free(con); if (con2 != NULL) SSL_free(con2); if (ctx != NULL) SSL_CTX_free(ctx); if (cert) X509_free(cert); if (key) EVP_PKEY_free(key); if (pass) OPENSSL_free(pass); if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } if (bio_c_out != NULL) { BIO_free(bio_c_out); bio_c_out=NULL; } apps_shutdown(); OPENSSL_EXIT(ret); }
int main(int argc, char **argv) { ares_channel channel; int c, i, optmask = ARES_OPT_FLAGS, dnsclass = C_IN, type = T_A; int status, nfds, count; struct ares_options options; struct hostent *hostent; fd_set read_fds, write_fds; struct timeval *tvp, tv; struct ares_addr_node *srvr, *servers = NULL; #ifdef USE_WINSOCK WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK); WSADATA wsaData; WSAStartup(wVersionRequested, &wsaData); #endif status = ares_library_init(ARES_LIB_INIT_ALL); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status)); return 1; } options.flags = ARES_FLAG_NOCHECKRESP; options.servers = NULL; options.nservers = 0; while ((c = ares_getopt(argc, argv, "df:s:c:t:T:U:")) != -1) { switch (c) { case 'd': #ifdef WATT32 dbug_init(); #endif break; case 'f': /* Add a flag. */ for (i = 0; i < nflags; i++) { if (strcmp(flags[i].name, optarg) == 0) break; } if (i < nflags) options.flags |= flags[i].value; else usage(); break; case 's': /* User-specified name servers override default ones. */ srvr = malloc(sizeof(struct ares_addr_node)); if (!srvr) { fprintf(stderr, "Out of memory!\n"); destroy_addr_list(servers); return 1; } append_addr_list(&servers, srvr); if (ares_inet_pton(AF_INET, optarg, &srvr->addr.addr4) > 0) srvr->family = AF_INET; else if (ares_inet_pton(AF_INET6, optarg, &srvr->addr.addr6) > 0) srvr->family = AF_INET6; else { hostent = gethostbyname(optarg); if (!hostent) { fprintf(stderr, "adig: server %s not found.\n", optarg); destroy_addr_list(servers); return 1; } switch (hostent->h_addrtype) { case AF_INET: srvr->family = AF_INET; memcpy(&srvr->addr.addr4, hostent->h_addr, sizeof(srvr->addr.addr4)); break; case AF_INET6: srvr->family = AF_INET6; memcpy(&srvr->addr.addr6, hostent->h_addr, sizeof(srvr->addr.addr6)); break; default: fprintf(stderr, "adig: server %s unsupported address family.\n", optarg); destroy_addr_list(servers); return 1; } } /* Notice that calling ares_init_options() without servers in the * options struct and with ARES_OPT_SERVERS set simultaneously in * the options mask, results in an initialization with no servers. * When alternative name servers have been specified these are set * later calling ares_set_servers() overriding any existing server * configuration. To prevent initial configuration with default * servers that will be discarded later, ARES_OPT_SERVERS is set. * If this flag is not set here the result shall be the same but * ares_init_options() will do needless work. */ optmask |= ARES_OPT_SERVERS; break; case 'c': /* Set the query class. */ for (i = 0; i < nclasses; i++) { if (strcasecmp(classes[i].name, optarg) == 0) break; } if (i < nclasses) dnsclass = classes[i].value; else usage(); break; case 't': /* Set the query type. */ for (i = 0; i < ntypes; i++) { if (strcasecmp(types[i].name, optarg) == 0) break; } if (i < ntypes) type = types[i].value; else usage(); break; case 'T': /* Set the TCP port number. */ if (!ISDIGIT(*optarg)) usage(); options.tcp_port = (unsigned short)strtol(optarg, NULL, 0); optmask |= ARES_OPT_TCP_PORT; break; case 'U': /* Set the UDP port number. */ if (!ISDIGIT(*optarg)) usage(); options.udp_port = (unsigned short)strtol(optarg, NULL, 0); optmask |= ARES_OPT_UDP_PORT; break; } } argc -= optind; argv += optind; if (argc == 0) usage(); status = ares_init_options(&channel, &options, optmask); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_init_options: %s\n", ares_strerror(status)); return 1; } if(servers) { status = ares_set_servers(channel, servers); destroy_addr_list(servers); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_init_options: %s\n", ares_strerror(status)); return 1; } } /* Initiate the queries, one per command-line argument. If there is * only one query to do, supply NULL as the callback argument; * otherwise, supply the query name as an argument so we can * distinguish responses for the user when printing them out. */ if (argc == 1) ares_query(channel, *argv, dnsclass, type, callback, (char *) NULL); else { for (; *argv; argv++) ares_query(channel, *argv, dnsclass, type, callback, *argv); } /* Wait for all queries to complete. */ for (;;) { FD_ZERO(&read_fds); FD_ZERO(&write_fds); nfds = ares_fds(channel, &read_fds, &write_fds); if (nfds == 0) break; tvp = ares_timeout(channel, NULL, &tv); count = select(nfds, &read_fds, &write_fds, NULL, tvp); if (count < 0 && SOCKERRNO != EINVAL) { perror("select"); return 1; } ares_process(channel, &read_fds, &write_fds); } ares_destroy(channel); ares_library_cleanup(); #ifdef USE_WINSOCK WSACleanup(); #endif return 0; }
int main(int argc, char **argv) { struct ares_options options; int optmask = 0; ares_channel channel; int status, nfds, c, addr_family = AF_INET; fd_set read_fds, write_fds; struct timeval *tvp, tv; struct in_addr addr4; struct ares_in6_addr addr6; #ifdef USE_WINSOCK WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK); WSADATA wsaData; WSAStartup(wVersionRequested, &wsaData); #endif memset(&options, 0, sizeof(options)); status = ares_library_init(ARES_LIB_INIT_ALL); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status)); return 1; } while ((c = ares_getopt(argc,argv,"dt:hs:")) != -1) { switch (c) { case 'd': #ifdef WATT32 dbug_init(); #endif break; case 's': optmask |= ARES_OPT_DOMAINS; options.ndomains++; options.domains = realloc(options.domains, options.ndomains * sizeof(char *)); options.domains[options.ndomains - 1] = strdup(optarg); break; case 't': if (!strcasecmp(optarg,"a")) addr_family = AF_INET; else if (!strcasecmp(optarg,"aaaa")) addr_family = AF_INET6; else if (!strcasecmp(optarg,"u")) addr_family = AF_UNSPEC; else usage(); break; case 'h': default: usage(); break; } } argc -= optind; argv += optind; if (argc < 1) usage(); status = ares_init_options(&channel, &options, optmask); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_init: %s\n", ares_strerror(status)); return 1; } /* Initiate the queries, one per command-line argument. */ for ( ; *argv; argv++) { if (ares_inet_pton(AF_INET, *argv, &addr4) == 1) { ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback, *argv); } else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1) { ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback, *argv); } else { ares_gethostbyname(channel, *argv, addr_family, callback, *argv); } } /* Wait for all queries to complete. */ for (;;) { int res; FD_ZERO(&read_fds); FD_ZERO(&write_fds); nfds = ares_fds(channel, &read_fds, &write_fds); if (nfds == 0) break; tvp = ares_timeout(channel, NULL, &tv); res = select(nfds, &read_fds, &write_fds, NULL, tvp); if (-1 == res) break; ares_process(channel, &read_fds, &write_fds); } ares_destroy(channel); ares_library_cleanup(); #ifdef USE_WINSOCK WSACleanup(); #endif return 0; }
int main (int argc, char **argv) { struct sockaddr_in my_addr; /* my address information */ struct sockaddr_in their_addr; /* connector's address information */ int sockfd; int addr_len, numbytes; int debug = 0; int non_block = 0; char buf[MAXBUFLEN]; while (argc > 1) { if (!strcmp(argv[1],"-n")) non_block = 1; if (!strcmp(argv[1],"-d")) debug = 1; if (!strcmp(argv[1],"-?")) usage(); argc--; argv++; } #if defined(WATT32) if (debug) dbug_init(); sock_init(); #elif defined(_Windows) memset (&wsa_state, 0, sizeof(wsa_state)); if (WSAStartup(MAKEWORD(1,1),&wsa_state) != 0) { printf ("Unable to start WinSock, error code=%d\n", WSAGetLastError()); return (0); } atexit (cleanup); #endif if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { perror ("socket"); return (1); } memset (&my_addr,0,sizeof(my_addr)); /* zero the rest of the struct */ my_addr.sin_family = AF_INET; /* host byte order */ my_addr.sin_port = htons(MYPORT); /* short, network byte order */ my_addr.sin_addr.s_addr = INADDR_ANY; /* automatically fill with my IP */ if (bind(sockfd, (struct sockaddr *)&my_addr, sizeof(struct sockaddr)) == -1) { perror ("bind"); return (1); } #ifdef _Windows ioctlsocket (sockfd, FIONBIO, (u_long*)&non_block); #else ioctlsocket (sockfd, FIONBIO, (char*)&non_block); #endif printf ("Waiting for UDP messages at port %d...", MYPORT); fflush (stdout); while (!kbhit()) { if (non_block) { fd_set fd; struct timeval tv = { 0, 1000 }; int n; FD_ZERO (&fd); FD_SET (sockfd, &fd); n = select (sockfd+1, &fd, NULL, NULL, &tv); if (n < 0) { perror ("select"); return (1); } if (n == 0) continue; } // --- Wait for UDP message addr_len = sizeof (struct sockaddr); numbytes = recvfrom (sockfd, buf, MAXBUFLEN, 0, (struct sockaddr *)&their_addr, &addr_len); if (numbytes < 0) { perror ("recvfrom"); return (1); } printf ("\007got packet from %s\n",inet_ntoa(their_addr.sin_addr)); printf ("packet is %d bytes long\n",numbytes); buf[numbytes] = '\0'; printf ("packet contains \"%s\"\n",buf); // --- Reply to this message (echo) numbytes = sendto (sockfd, buf, numbytes, 0, (struct sockaddr*)&their_addr, sizeof(struct sockaddr)); if (numbytes < 0) { perror ("sendto"); return (1); } printf ("sent %d bytes to %s\n", numbytes, inet_ntoa(their_addr.sin_addr)); } close (sockfd); return (0); }
int main(int argc, char *argv[]) { const char *hostport = HOSTPORT; const char *CAfile = CAFILE; char *hostname; char *cp; BIO *out = NULL; char buf[1024 * 10], *p; SSL_CTX *ssl_ctx = NULL; SSL *ssl; BIO *ssl_bio; int i, len, off, ret = EXIT_FAILURE; if (argc > 1) hostport = argv[1]; if (argc > 2) CAfile = argv[2]; hostname = OPENSSL_strdup(hostport); if ((cp = strchr(hostname, ':')) != NULL) *cp = 0; #ifdef WATT32 dbug_init(); sock_init(); #endif ssl_ctx = SSL_CTX_new(TLS_client_method()); /* Enable trust chain verification */ SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL); SSL_CTX_load_verify_locations(ssl_ctx, CAfile, NULL); /* Lets make a SSL structure */ ssl = SSL_new(ssl_ctx); SSL_set_connect_state(ssl); /* Enable peername verification */ if (SSL_set1_host(ssl, hostname) <= 0) goto err; /* Use it inside an SSL BIO */ ssl_bio = BIO_new(BIO_f_ssl()); BIO_set_ssl(ssl_bio, ssl, BIO_CLOSE); /* Lets use a connect BIO under the SSL BIO */ out = BIO_new(BIO_s_connect()); BIO_set_conn_hostname(out, hostport); BIO_set_nbio(out, 1); out = BIO_push(ssl_bio, out); p = "GET / HTTP/1.0\r\n\r\n"; len = strlen(p); off = 0; for (;;) { i = BIO_write(out, &(p[off]), len); if (i <= 0) { if (BIO_should_retry(out)) { fprintf(stderr, "write DELAY\n"); sleep(1); continue; } else { goto err; } } off += i; len -= i; if (len <= 0) break; } for (;;) { i = BIO_read(out, buf, sizeof(buf)); if (i == 0) break; if (i < 0) { if (BIO_should_retry(out)) { fprintf(stderr, "read DELAY\n"); sleep(1); continue; } goto err; } fwrite(buf, 1, i, stdout); } ret = EXIT_SUCCESS; goto done; err: if (ERR_peek_error() == 0) { /* system call error */ fprintf(stderr, "errno=%d ", errno); perror("error"); } else { ERR_print_errors_fp(stderr); } done: BIO_free_all(out); SSL_CTX_free(ssl_ctx); return ret; }
int main(int argc, char **argv) { ares_channel channel; int c, i, optmask = ARES_OPT_FLAGS, dnsclass = C_IN, type = T_A; int status, nfds, count; struct ares_options options; struct hostent *hostent; fd_set read_fds, write_fds; struct timeval *tvp, tv; #ifdef USE_WINSOCK WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK); WSADATA wsaData; WSAStartup(wVersionRequested, &wsaData); #endif options.flags = ARES_FLAG_NOCHECKRESP; options.servers = NULL; options.nservers = 0; while ((c = ares_getopt(argc, argv, "df:s:c:t:T:U:")) != -1) { switch (c) { case 'd': #ifdef WATT32 dbug_init(); #endif break; case 'f': /* Add a flag. */ for (i = 0; i < nflags; i++) { if (strcmp(flags[i].name, optarg) == 0) break; } if (i == nflags) usage(); options.flags |= flags[i].value; break; case 's': /* Add a server, and specify servers in the option mask. */ if (ares_inet_pton(AF_INET, optarg, &inaddr) <= 0) { hostent = gethostbyname(optarg); if (!hostent || hostent->h_addrtype != AF_INET) { fprintf(stderr, "adig: server %s not found.\n", optarg); return 1; } memcpy(&inaddr, hostent->h_addr, sizeof(struct in_addr)); } options.servers = realloc(options.servers, (options.nservers + 1) * sizeof(struct in_addr)); if (!options.servers) { fprintf(stderr, "Out of memory!\n"); return 1; } memcpy(&options.servers[options.nservers], &inaddr, sizeof(struct in_addr)); options.nservers++; optmask |= ARES_OPT_SERVERS; break; case 'c': /* Set the query class. */ for (i = 0; i < nclasses; i++) { if (strcasecmp(classes[i].name, optarg) == 0) break; } if (i == nclasses) usage(); dnsclass = classes[i].value; break; case 't': /* Set the query type. */ for (i = 0; i < ntypes; i++) { if (strcasecmp(types[i].name, optarg) == 0) break; } if (i == ntypes) usage(); type = types[i].value; break; case 'T': /* Set the TCP port number. */ if (!ISDIGIT(*optarg)) usage(); options.tcp_port = (unsigned short)strtol(optarg, NULL, 0); optmask |= ARES_OPT_TCP_PORT; break; case 'U': /* Set the UDP port number. */ if (!ISDIGIT(*optarg)) usage(); options.udp_port = (unsigned short)strtol(optarg, NULL, 0); optmask |= ARES_OPT_UDP_PORT; break; } } argc -= optind; argv += optind; if (argc == 0) usage(); status = ares_init_options(&channel, &options, optmask); if (status != ARES_SUCCESS) { fprintf(stderr, "ares_init_options: %s\n", ares_strerror(status)); return 1; } /* Initiate the queries, one per command-line argument. If there is * only one query to do, supply NULL as the callback argument; * otherwise, supply the query name as an argument so we can * distinguish responses for the user when printing them out. */ if (argc == 1) ares_query(channel, *argv, dnsclass, type, callback, (char *) NULL); else { for (; *argv; argv++) ares_query(channel, *argv, dnsclass, type, callback, *argv); } /* Wait for all queries to complete. */ while (1) { FD_ZERO(&read_fds); FD_ZERO(&write_fds); nfds = ares_fds(channel, &read_fds, &write_fds); if (nfds == 0) break; tvp = ares_timeout(channel, NULL, &tv); count = select(nfds, &read_fds, &write_fds, NULL, tvp); if (count < 0 && SOCKERRNO != EINVAL) { perror("select"); return 1; } ares_process(channel, &read_fds, &write_fds); } ares_destroy(channel); #ifdef USE_WINSOCK WSACleanup(); #endif return 0; }
int main (void) { struct sockaddr_in sin; struct linger linger; int s, on = 1; FILE *fil; dbug_init(); if ((s = socket (AF_INET, SOCK_DGRAM, 0)) < 0) { perror ("socket"); return (-1); } if ((fil = fdopen (s,"r+")) == NULL) { perror ("fdopen"); return (-1); } memset (&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_port = htons (6543); if (bind(s,(struct sockaddr*)&sin,sizeof(sin)) < 0) { perror ("bind"); return (-1); } if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on)) < 0 ) { perror ("setsockopt"); return (-1); } while (!kbhit()) { char msg[50]; char buf[50]; gethostname (buf, sizeof(buf)); if (fprintf(fil, "HELO %s\r\n", buf) < 0) { perror ("fprintf"); break; } if (fgets(msg,sizeof(msg),fil) < 0) { perror ("fgets"); break; } fputs (msg, stderr); } #if 0 linger.l_linger = 500; /* 5sec */ linger.l_onoff = 1; if (setsockopt(s,SOL_SOCKET,SO_LINGER,(void*)&linger,sizeof(linger)) < 0) { perror ("setsockopt"); return (-1); } #endif if (close(s) < 0) { perror ("close"); return (-1); } return (0); }
int main (int argc, char **argv) { eth_address eth = { 1,2,3,4,5,6 }; int a_flag = 0; int h_flag = 0; int i_flag = 0; int f_flag = 0; int n_flag = 0; int m_flag = 0; int d_flag = 0; int ch; while ((ch = getopt(argc, argv, "adn?h:i:f:m:t:r:")) != EOF) switch (ch) { case 'a': a_flag = 1; break; case 'd': d_flag = 1; break; case 'n': n_flag = 1; break; case 'h': h_flag = 1; tftp_server = aton (optarg); break; case 'i': i_flag = 1; my_ip_addr = aton (optarg); break; case 'f': f_flag = 1; tftp_set_boot_fname (optarg, strlen(optarg)); break; case 'm': m_flag = 1; sin_mask = aton (optarg); break; case 't': tftp_timeout = atoi (optarg); break; case 'r': tftp_retry = atoi (optarg); break; case '?': default: usage (argv[0]); } if (n_flag) /* Demonstrate running with no config file */ { _watt_no_config = 1; dbg_mode_all = 1; dbg_print_stat = 1; debug_on = 3; if (!m_flag) sin_mask = aton ("255.255.0.0"); if (!i_flag) my_ip_addr = aton ("192.168.0.1"); if (!h_flag) tftp_server = aton ("192.168.0.2"); if (!f_flag) tftp_set_boot_fname ("test.fil", 8); if (a_flag) _arp_add_cache (tftp_server, (const eth_address*)ð, FALSE); } else if (m_flag || i_flag || h_flag || f_flag || a_flag) { puts ("This option requires the `-n' flag"); return (-1); } if (d_flag) dbug_init(); if (n_flag) dbug_open(); /* Must set our hook first */ tftp_writer = write_func; tftp_terminator = close_func; sock_init(); sleep (1); /* drain network buffers */ tcp_tick (NULL); return (0); }
void setup (void) { dbug_init(); tcp_set_debug_state (1); loopback_handler = sock_loopback; }