Initial support for certificate purpose checking: this will
[openssl.git] / apps / x509.c
index 2a7188f121d412f2c36be4fa8e6f1ef880e367fe..70bd1391a70f10969ae4074eb9e321a09bd122d4 100644 (file)
 #define APPS_WIN16
 #endif
 #include "apps.h"
-#include "bio.h"
-#include "asn1.h"
-#include "err.h"
-#include "bn.h"
-#include "evp.h"
-#include "x509.h"
-#include "x509v3.h"
-#include "objects.h"
-#include "pem.h"
+#include <openssl/bio.h>
+#include <openssl/asn1.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/objects.h>
+#include <openssl/pem.h>
 
 #undef PROG
 #define PROG x509_main
@@ -85,7 +85,7 @@
 static char *x509_usage[]={
 "usage: x509 args\n",
 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
-" -outform arg    - output format - default PEM (one of DER, NET or PEM\n",
+" -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
 " -keyform arg    - private key format - default PEM\n",
 " -CAform arg     - CA format - default PEM\n",
 " -CAkeyform arg  - CA key format - default PEM\n",
@@ -97,6 +97,7 @@ static char *x509_usage[]={
 " -issuer         - print issuer DN\n",
 " -startdate      - notBefore field\n",
 " -enddate        - notAfter field\n",
+" -purpose        - print out certificate purposes\n",
 " -dates          - both Before and After dates\n",
 " -modulus        - print the RSA key modulus\n",
 " -fingerprint    - print the certificate fingerprint\n",
@@ -114,30 +115,28 @@ static char *x509_usage[]={
 " -text           - print the certificate in text form\n",
 " -C              - print out C code forms\n",
 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
+" -extfile        - configuration file with X509V3 extensions to add\n",
+" -extensions     - section from config file with X509V3 extensions to add\n",
 NULL
 };
 
-#ifndef NOPROTO
 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 static EVP_PKEY *load_key(char *file, int format);
 static X509 *load_cert(char *file, int format);
-static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest);
+static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
+                                               LHASH *conf, char *section);
 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
                         X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
-                        int create,int days);
-#else
-static int MS_CALLBACK callb();
-static EVP_PKEY *load_key();
-static X509 *load_cert();
-static int sign ();
-static int x509_certify ();
-#endif
-
+                        int create,int days, LHASH *conf, char *section);
+static int efunc(X509_PURPOSE *pt, void *arg);
 static int reqfile=0;
 
-int MAIN(argc, argv)
-int argc;
-char **argv;
+typedef struct {
+BIO *bio;
+X509 *cert;
+} X509_PPRINT;
+
+int MAIN(int argc, char **argv)
        {
        int ret=1;
        X509_REQ *req=NULL;
@@ -153,12 +152,15 @@ char **argv;
        int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
        int C=0;
        int x509req=0,days=DEF_DAYS,modulus=0;
+       int pprint = 0;
        char **pp;
        X509_STORE *ctx=NULL;
        X509_REQ *rq=NULL;
        int fingerprint=0;
        char buf[256];
        const EVP_MD *md_alg,*digest=EVP_md5();
+       LHASH *extconf = NULL;
+       char *extsect = NULL, *extfile = NULL;
 
        reqfile=0;
 
@@ -220,6 +222,16 @@ char **argv;
                                goto bad;
                                }
                        }
+               else if (strcmp(*argv,"-extfile") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       extfile= *(++argv);
+                       }
+               else if (strcmp(*argv,"-extensions") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       extsect= *(++argv);
+                       }
                else if (strcmp(*argv,"-in") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -275,6 +287,8 @@ char **argv;
                        startdate= ++num;
                        enddate= ++num;
                        }
+               else if (strcmp(*argv,"-purpose") == 0)
+                       pprint= ++num;
                else if (strcmp(*argv,"-startdate") == 0)
                        startdate= ++num;
                else if (strcmp(*argv,"-enddate") == 0)
@@ -308,6 +322,7 @@ bad:
 
        ERR_load_crypto_strings();
        X509V3_add_standard_extensions();
+       X509_PURPOSE_add_standard();
 
        if (!X509_STORE_set_default_paths(ctx))
                {
@@ -323,6 +338,34 @@ bad:
                goto end;
                }
 
+       if (extfile) {
+               long errorline;
+               X509V3_CTX ctx2;
+               if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
+                       if (errorline <= 0)
+                               BIO_printf(bio_err,
+                                       "error loading the config file '%s'\n",
+                                                               extfile);
+                       else
+                               BIO_printf(bio_err,
+                                      "error on line %ld of config file '%s'\n"
+                                                       ,errorline,extfile);
+                       goto end;
+               }
+               if(!extsect && !(extsect = CONF_get_string(extconf, "default",
+                                        "extensions"))) extsect = "default";
+               X509V3_set_ctx_test(&ctx2);
+               X509V3_set_conf_lhash(&ctx2, extconf);
+               if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
+                       BIO_printf(bio_err,
+                               "Error Loading extension section %s\n",
+                                                                extsect);
+                       ERR_print_errors(bio_err);
+                       goto end;
+                }
+       } 
+
+
        if (reqfile)
                {
                EVP_PKEY *pkey;
@@ -351,7 +394,7 @@ bad:
                                goto end;
                                }
                        }
-               req=PEM_read_bio_X509_REQ(in,NULL,NULL);
+               req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
                BIO_free(in);
 
                if (req == NULL) { perror(infile); goto end; }
@@ -468,6 +511,14 @@ bad:
                                {
                                BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
                                }
+                       else if (pprint == i)
+                               {
+                               X509_PPRINT ptmp;
+                               ptmp.bio = STDout;
+                               ptmp.cert = x;
+                               BIO_printf(STDout, "Certificate purposes:\n");
+                               X509_PURPOSE_enum(efunc, &ptmp);
+                               }
                        else
                                if (modulus == i)
                                {
@@ -600,7 +651,8 @@ bad:
                                        digest=EVP_dss1();
 #endif
 
-                               if (!sign(x,Upkey,days,digest)) goto end;
+                               if (!sign(x,Upkey,days,digest,
+                                                extconf, extsect)) goto end;
                                }
                        else if (CA_flag == i)
                                {
@@ -616,8 +668,8 @@ bad:
 #endif
                                
                                if (!x509_certify(ctx,CAfile,digest,x,xca,
-                                       CApkey,
-                                       CAserial,CA_createserial,days))
+                                       CApkey, CAserial,CA_createserial,days,
+                                       extconf, extsect))
                                        goto end;
                                }
                        else if (x509req == i)
@@ -691,29 +743,23 @@ bad:
        ret=0;
 end:
        OBJ_cleanup();
-       if (out != NULL) BIO_free(out);
-       if (STDout != NULL) BIO_free(STDout);
-       if (ctx != NULL) X509_STORE_free(ctx);
-       if (req != NULL) X509_REQ_free(req);
-       if (x != NULL) X509_free(x);
-       if (xca != NULL) X509_free(xca);
-       if (Upkey != NULL) EVP_PKEY_free(Upkey);
-       if (CApkey != NULL) EVP_PKEY_free(CApkey);
-       if (rq != NULL) X509_REQ_free(rq);
+       CONF_free(extconf);
+       BIO_free(out);
+       BIO_free(STDout);
+       X509_STORE_free(ctx);
+       X509_REQ_free(req);
+       X509_free(x);
+       X509_free(xca);
+       EVP_PKEY_free(Upkey);
+       EVP_PKEY_free(CApkey);
+       X509_REQ_free(rq);
        X509V3_EXT_cleanup();
        EXIT(ret);
        }
 
-static int x509_certify(ctx,CAfile,digest,x,xca,pkey,serialfile,create,days)
-X509_STORE *ctx;
-char *CAfile;
-const EVP_MD *digest;
-X509 *x;
-X509 *xca;
-EVP_PKEY *pkey;
-char *serialfile;
-int create;
-int days;
+static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
+            X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
+            int days, LHASH *conf, char *section)
        {
        int ret=0;
        BIO *io=NULL;
@@ -834,17 +880,13 @@ int days;
        if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
                goto end;
 
-       /* don't save DSA parameters in child if parent has them
-        * and the parents and the childs are the same. */
-       upkey=X509_get_pubkey(x);
-       if (!EVP_PKEY_missing_parameters(pkey) &&
-               (EVP_PKEY_cmp_parameters(pkey,upkey) == 0))
-               {
-               EVP_PKEY_save_parameters(upkey,0);
-               /* Force a re-write */
-               X509_set_pubkey(x,upkey);
-               }
-       EVP_PKEY_free(upkey);
+       if(conf) {
+               X509V3_CTX ctx2;
+               X509_set_version(x,2); /* version 3 certificate */
+                X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
+                X509V3_set_conf_lhash(&ctx2, conf);
+                if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
+       }
 
        if (!X509_sign(x,pkey,digest)) goto end;
        ret=1;
@@ -859,9 +901,7 @@ end:
        return(ret);
        }
 
-static int MS_CALLBACK callb(ok, ctx)
-int ok;
-X509_STORE_CTX *ctx;
+static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
        {
        char buf[256];
        int err;
@@ -894,9 +934,7 @@ X509_STORE_CTX *ctx;
                }
        }
 
-static EVP_PKEY *load_key(file, format)
-char *file;
-int format;
+static EVP_PKEY *load_key(char *file, int format)
        {
        BIO *key=NULL;
        EVP_PKEY *pkey=NULL;
@@ -935,7 +973,7 @@ int format;
 #endif
                if (format == FORMAT_PEM)
                {
-               pkey=PEM_read_bio_PrivateKey(key,NULL,NULL);
+               pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
                }
        else
                {
@@ -949,9 +987,7 @@ end:
        return(pkey);
        }
 
-static X509 *load_cert(file, format)
-char *file;
-int format;
+static X509 *load_cert(char *file, int format)
        {
        ASN1_HEADER *ah=NULL;
        BUF_MEM *buf=NULL;
@@ -1020,7 +1056,7 @@ int format;
                ah->data=NULL;
                }
        else if (format == FORMAT_PEM)
-               x=PEM_read_bio_X509(cert,NULL,NULL);
+               x=PEM_read_bio_X509(cert,NULL,NULL,NULL);
        else    {
                BIO_printf(bio_err,"bad input format specified for input cert\n");
                goto end;
@@ -1038,11 +1074,8 @@ end:
        }
 
 /* self sign */
-static int sign(x, pkey, days, digest)
-X509 *x;
-EVP_PKEY *pkey;
-int days;
-const EVP_MD *digest;
+static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest, 
+                                               LHASH *conf, char *section)
        {
 
        EVP_PKEY *pktmp;
@@ -1063,9 +1096,37 @@ const EVP_MD *digest;
                goto err;
 
        if (!X509_set_pubkey(x,pkey)) goto err;
+       if(conf) {
+               X509V3_CTX ctx;
+               X509_set_version(x,2); /* version 3 certificate */
+                X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
+                X509V3_set_conf_lhash(&ctx, conf);
+                if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
+       }
        if (!X509_sign(x,pkey,digest)) goto err;
        return(1);
 err:
        ERR_print_errors(bio_err);
        return(0);
        }
+
+static int efunc(X509_PURPOSE *pt, void *arg)
+{
+       X509_PPRINT *ptmp;
+       int id, i, idret;
+       char *pname;
+       ptmp = arg;
+       id = X509_PURPOSE_get_id(pt);
+       pname = X509_PURPOSE_get_name(pt);
+       for(i = 0; i < 2; i++) {
+               idret = X509_check_purpose(ptmp->cert, id, i);
+               BIO_printf(ptmp->bio, "%s%s : ", pname, i ? " CA" : ""); 
+               if(idret == 1) BIO_printf(ptmp->bio, "Yes\n");
+               else if (idret == 0) BIO_printf(ptmp->bio, "No\n");
+               else BIO_printf(ptmp->bio, "Yes (WARNING code=%d)\n", idret);
+       }
+       return 1;
+}
+
+
+