File: SSLeay.xs

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crypt-ssleay 0.57-1
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/*
 * $Id: SSLeay.xs,v 1.2 2000/05/10 16:37:25 ben Exp $
 * Copyright 1998 Gisle Aas.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the same terms as Perl itself.
 */

#ifdef __cplusplus
extern "C" {
#endif
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

/* build problem under openssl 0.9.6 and some builds of perl 5.8.x */
#ifndef PERL5
#define PERL5 1
#endif

/* ssl.h or openssl/ssl.h is included from the crypt_ssleay_version
 * file which is written when building with perl Makefile.PL
 * #include "ssl.h"
 */
#include "crypt_ssleay_version.h"

#undef Free /* undo namespace pollution from crypto.h */
#ifdef __cplusplus
}
#endif


/* moved this out to Makefile.PL so user can 
 * see value being used printed during build
 * #if SSLEAY_VERSION_NUMBER >= 0x0900
 * #define CRYPT_SSL_CLIENT_METHOD SSLv3_client_method()
 * #else
 * #define CRYPT_SSL_CLIENT_METHOD SSLv2_client_method()
 * #endif
 */


static void InfoCallback(const SSL *s,int where,int ret)
    {
    char *str;
    int w;

    w = where & ~SSL_ST_MASK;

    if(w & SSL_ST_CONNECT)
       str="SSL_connect";
    else if(w & SSL_ST_ACCEPT)
       str="SSL_accept";
    else
       str="undefined";

    if(where & SSL_CB_LOOP) {
       fprintf(stderr,"%s:%s\n",str,SSL_state_string_long(s));
    }
    else if(where & SSL_CB_ALERT) {
       str=(where & SSL_CB_READ)?"read":"write";
       fprintf(stderr,"SSL3 alert %s:%s:%s\n",str,
           SSL_alert_type_string_long(ret),
           SSL_alert_desc_string_long(ret));
       }
    else if(where & SSL_CB_EXIT) {
       if(ret == 0)
         fprintf(stderr,"%s:failed in %s\n",str,SSL_state_string_long(s));
       else if (ret < 0)
         fprintf(stderr,"%s:error in %s\n",str,SSL_state_string_long(s));
       }
    }

MODULE = Crypt::SSLeay                PACKAGE = Crypt::SSLeay

PROTOTYPES: DISABLE

MODULE = Crypt::SSLeay         PACKAGE = Crypt::SSLeay::Err PREFIX = ERR_

char*
ERR_get_error_string()
  CODE:
    unsigned long l;
    char buf[1024];

    if(!(l=ERR_get_error()))
       RETVAL=NULL;
    else {
       ERR_error_string(l,buf);
       RETVAL=buf;
    }
  OUTPUT:
    RETVAL

MODULE = Crypt::SSLeay    PACKAGE = Crypt::SSLeay::CTX    PREFIX = SSL_CTX_

SSL_CTX*
SSL_CTX_new(packname, ssl_version)
     SV* packname
     int ssl_version
     CODE:
        SSL_CTX* ctx;
        static int bNotFirstTime;
        char buf[1024];
        int rand_bytes_read;

        if(!bNotFirstTime) {
            SSLeay_add_all_algorithms();
            SSL_load_error_strings();
            ERR_load_crypto_strings();
            SSL_library_init();
            bNotFirstTime = 1;
        }

        /**** Code from Devin Heitmueller, 10/3/2002 ****/
        /**** Use /dev/urandom to seed if available  ****/
        rand_bytes_read = RAND_load_file("/dev/urandom", 1024);
        if (rand_bytes_read <= 0) {
            /* Couldn't read /dev/urandom, just seed off
             * of the stack variable (the old way)
             */
            RAND_seed(buf,sizeof buf);
        }

        if(ssl_version == 23) {
            ctx = SSL_CTX_new(SSLv23_client_method());
        }
        else if(ssl_version == 3) {
            ctx = SSL_CTX_new(SSLv3_client_method());
        }
        else {
            /* v2 is the default */
            ctx = SSL_CTX_new(SSLv2_client_method());
        }                
        SSL_CTX_set_options(ctx,SSL_OP_ALL|0);
        SSL_CTX_set_default_verify_paths(ctx);
        SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL);
        RETVAL = ctx;
     OUTPUT:
        RETVAL

void
SSL_CTX_free(ctx)
     SSL_CTX* ctx

int
SSL_CTX_set_cipher_list(ctx, ciphers)
     SSL_CTX* ctx
     char* ciphers

int
SSL_CTX_use_certificate_file(ctx, filename, mode)
     SSL_CTX* ctx
     char* filename
     int mode

int
SSL_CTX_use_PrivateKey_file(ctx, filename ,mode)
     SSL_CTX* ctx
     char* filename
     int mode

int
SSL_CTX_use_pkcs12_file(ctx, filename, password)
     SSL_CTX* ctx
     char* filename
     char* password
     PREINIT:
        FILE *fp;
        EVP_PKEY *pkey;
        X509 *cert;
        STACK_OF(X509) *ca = NULL;
        PKCS12 *p12;
     CODE:
        if ((fp = fopen(filename, "rb"))) {
            p12 = d2i_PKCS12_fp(fp, NULL);
            fclose (fp);

            if (p12) { 
                if(PKCS12_parse(p12, password, &pkey, &cert, &ca)) {
                    if (pkey) {
                        RETVAL = SSL_CTX_use_PrivateKey(ctx, pkey);
                        EVP_PKEY_free(pkey);
                    }
                    if (cert) {
                        RETVAL = SSL_CTX_use_certificate(ctx, cert);
                        X509_free(cert);
                    }
                }
                PKCS12_free(p12);
            }
        }
     OUTPUT:
        RETVAL


int
SSL_CTX_check_private_key(ctx)
     SSL_CTX* ctx

SV*
SSL_CTX_set_verify(ctx)
     SSL_CTX* ctx
     PREINIT:
        char* CAfile;
        char* CAdir;
     CODE:
        CAfile=getenv("HTTPS_CA_FILE");
        CAdir =getenv("HTTPS_CA_DIR");

        if(!CAfile && !CAdir) {
            SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL);
            RETVAL = newSViv(0);
        }
        else {
            SSL_CTX_load_verify_locations(ctx,CAfile,CAdir);
            SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
            RETVAL = newSViv(1);
        }
     OUTPUT:
       RETVAL

MODULE = Crypt::SSLeay        PACKAGE = Crypt::SSLeay::Conn        PREFIX = SSL_

SSL*
SSL_new(packname, ctx, debug, ...)
        SV* packname
        SSL_CTX* ctx
        SV* debug
        PREINIT:
        SSL* ssl;
        CODE:
           ssl = SSL_new(ctx);
           SSL_set_connect_state(ssl);
           /* The set mode is necessary so the SSL connection can
            * survive a renegotiated cipher that results from 
            * modssl VerifyClient config changing between 
            * VirtualHost & some other config block.  At modssl
            * this would be a [trace] ssl message:
            *  "Changed client verification type will force renegotiation"
            * -- jc 6/28/2001
            */                      
#ifdef SSL_MODE_AUTO_RETRY
           SSL_set_mode(ssl, SSL_MODE_AUTO_RETRY);
#endif
           RETVAL = ssl;
           if(SvTRUE(debug)) {
             SSL_set_info_callback(RETVAL,InfoCallback);
           }
           if (items > 2) {
               PerlIO* io = IoIFP(sv_2io(ST(3)));
#ifdef _WIN32
               SSL_set_fd(RETVAL, _get_osfhandle(PerlIO_fileno(io)));
#else
               SSL_set_fd(RETVAL, PerlIO_fileno(io));
#endif
           }
        OUTPUT:
           RETVAL

void
SSL_free(ssl)
        SSL* ssl

int
SSL_set_fd(ssl,fd)
        SSL* ssl
        int  fd

int
SSL_connect(ssl)
        SSL* ssl

int
SSL_accept(ssl)
        SSL* ssl

SV*
SSL_write(ssl, buf, ...)
        SSL* ssl
        PREINIT:
           STRLEN blen;
           int len;
           int offset = 0;
           int n;
        INPUT:
           char* buf = SvPV(ST(1), blen);
        CODE:
           if (items > 2) {
               len = SvOK(ST(2)) ? SvIV(ST(2)) : blen;
               if (items > 3) {
                   offset = SvIV(ST(3));
                   if (offset < 0) {
                       if (-offset > blen)
                           croak("Offset outside string");
                       offset += blen;
                   }
                   else if (offset >= blen && blen > 0)
                       croak("Offset outside string");
               }
               if (len > blen - offset)
                   len = blen - offset;
           }
           else {
               len = blen;
           }
           n = SSL_write(ssl, buf+offset, len);
           if (n >= 0) {
               RETVAL = newSViv(n);
           }
           else {
               RETVAL = &PL_sv_undef;
           }
        OUTPUT:
           RETVAL

SV*
SSL_read(ssl, buf, len,...)
        SSL* ssl
        int len
        PREINIT:
           char *buf;
           STRLEN blen;
           int offset = 0;
           int n;
        INPUT:
           SV* sv = ST(1);
        CODE:
           buf = SvPV_force(sv, blen);
           if (items > 3) {
               offset = SvIV(ST(3));
               if (offset < 0) {
                   if (-offset > blen)
                       croak("Offset outside string");
                   offset += blen;
               }
               /* this is not a very efficient method of appending
                * (offset - blen) NUL bytes, but it will probably
                * seldom happen.
                */
               while (offset > blen) {
                   sv_catpvn(sv, "\0", 1);
                   blen++;
               }
           }
           if (len < 0)
               croak("Negative length");
        
           SvGROW(sv, offset + len + 1);
           buf = SvPVX(sv);  /* it might have been relocated */

           n = SSL_read(ssl, buf+offset, len);

           if (n >= 0) {
               SvCUR_set(sv, offset + n);
               buf[offset + n] = '\0';
               RETVAL = newSViv(n);
           }
           else {
               RETVAL = &PL_sv_undef;
           }
        OUTPUT:
           RETVAL

X509*
SSL_get_peer_certificate(ssl)
        SSL* ssl

SV*
SSL_get_verify_result(ssl)
        SSL* ssl
        CODE:
           RETVAL = newSViv((SSL_get_verify_result(ssl) == X509_V_OK) ? 1 : 0);
        OUTPUT:
           RETVAL

char*
SSL_get_shared_ciphers(ssl)
        SSL* ssl
        PREINIT:
           char buf[512];
        CODE:
           RETVAL = SSL_get_shared_ciphers(ssl, buf, sizeof(buf));
        OUTPUT:
           RETVAL

char*
SSL_get_cipher(ssl)
        SSL* ssl
        CODE:
           RETVAL = (char*) SSL_get_cipher(ssl);
        OUTPUT:
           RETVAL        

MODULE = Crypt::SSLeay        PACKAGE = Crypt::SSLeay::X509        PREFIX = X509_

void
X509_free(cert)
       X509* cert

SV*
subject_name(cert)
        X509* cert
        PREINIT:
           char* str;
        CODE:
           str = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
           RETVAL = newSVpv(str, 0);
           CRYPT_SSLEAY_free(str);
        OUTPUT:
           RETVAL

SV*
issuer_name(cert)
        X509* cert
        PREINIT:
           char* str;
        CODE:
           str = X509_NAME_oneline(X509_get_issuer_name(cert), NULL, 0);
           RETVAL = newSVpv(str, 0);
           CRYPT_SSLEAY_free(str);
        OUTPUT:
           RETVAL

char *
get_notBeforeString(cert)
         X509* cert
         CODE:
            RETVAL = (char *)X509_get_notBefore(cert)->data;
         OUTPUT:
            RETVAL

char *
get_notAfterString(cert)
         X509* cert
         CODE:
            RETVAL = (char *)X509_get_notAfter(cert)->data;
         OUTPUT:
            RETVAL