New functions to check a hostname email or IP address against a
[openssl.git] / apps / apps.c
index b04bfbd3c3460ce6cad070ad47f59aa593860974..0ce0af5505b9ac75134bcde1663d5c7892d68933 100644 (file)
  *
  */
 
+#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
 #define _POSIX_C_SOURCE 2      /* On VMS, you need to define this to get
                                   the declaration of fileno().  The value
                                   2 is to make sure no function defined
                                   in POSIX-2 is left undefined. */
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef OPENSSL_SYSNAME_WIN32
+#if !defined(OPENSSL_SYSNAME_WIN32) && !defined(NETWARE_CLIB)
 #include <strings.h>
 #endif
 #include <sys/types.h>
@@ -255,6 +257,8 @@ int args_from_file(char *file, int *argc, char **argv[])
 
 int str2fmt(char *s)
        {
+       if (s == NULL)
+               return FORMAT_UNDEF;
        if      ((*s == 'D') || (*s == 'd'))
                return(FORMAT_ASN1);
        else if ((*s == 'T') || (*s == 't'))
@@ -375,13 +379,12 @@ void program_name(char *in, char *out, int size)
 
 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
        {
-       int num,len,i;
+       int num,i;
        char *p;
 
        *argc=0;
        *argv=NULL;
 
-       len=strlen(buf);
        i=0;
        if (arg->count == 0)
                {
@@ -795,7 +798,9 @@ X509 *load_cert(BIO *err, const char *file, int format,
        if (file == NULL)
                {
 #ifdef _IONBF
+# ifndef OPENSSL_NO_SETVBUF_IONBF
                setvbuf(stdin, NULL, _IONBF, 0);
+# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 #endif
                BIO_set_fp(cert,stdin,BIO_NOCLOSE);
                }
@@ -873,10 +878,17 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
        if (format == FORMAT_ENGINE)
                {
                if (!e)
-                       BIO_printf(bio_err,"no engine specified\n");
+                       BIO_printf(err,"no engine specified\n");
                else
+                       {
                        pkey = ENGINE_load_private_key(e, file,
                                ui_method, &cb_data);
+                       if (!pkey) 
+                               {
+                               BIO_printf(err,"cannot load %s from engine\n",key_descrip);
+                               ERR_print_errors(err);
+                               }       
+                       }
                goto end;
                }
 #endif
@@ -889,7 +901,9 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
        if (file == NULL && maybe_stdin)
                {
 #ifdef _IONBF
+# ifndef OPENSSL_NO_SETVBUF_IONBF
                setvbuf(stdin, NULL, _IONBF, 0);
+# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 #endif
                BIO_set_fp(key,stdin,BIO_NOCLOSE);
                }
@@ -921,7 +935,7 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
                                &pkey, NULL, NULL))
                        goto end;
                }
-#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
        else if (format == FORMAT_MSBLOB)
                pkey = b2i_PrivateKey_bio(key);
        else if (format == FORMAT_PVK)
@@ -935,8 +949,11 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
                }
  end:
        if (key != NULL) BIO_free(key);
-       if (pkey == NULL)
+       if (pkey == NULL) 
+               {
                BIO_printf(err,"unable to load %s\n", key_descrip);
+               ERR_print_errors(err);
+               }       
        return(pkey);
        }
 
@@ -975,7 +992,9 @@ EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
        if (file == NULL && maybe_stdin)
                {
 #ifdef _IONBF
+# ifndef OPENSSL_NO_SETVBUF_IONBF
                setvbuf(stdin, NULL, _IONBF, 0);
+# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
 #endif
                BIO_set_fp(key,stdin,BIO_NOCLOSE);
                }
@@ -1093,76 +1112,122 @@ error:
        }
 #endif /* ndef OPENSSL_NO_RC4 */
 
-STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
-       const char *pass, ENGINE *e, const char *cert_descrip)
+static int load_certs_crls(BIO *err, const char *file, int format,
+       const char *pass, ENGINE *e, const char *desc,
+       STACK_OF(X509) **pcerts, STACK_OF(X509_CRL) **pcrls)
        {
-       BIO *certs;
        int i;
-       STACK_OF(X509) *othercerts = NULL;
-       STACK_OF(X509_INFO) *allcerts = NULL;
+       BIO *bio;
+       STACK_OF(X509_INFO) *xis = NULL;
        X509_INFO *xi;
        PW_CB_DATA cb_data;
+       int rv = 0;
 
        cb_data.password = pass;
        cb_data.prompt_info = file;
 
-       if((certs = BIO_new(BIO_s_file())) == NULL)
+       if (format != FORMAT_PEM)
                {
-               ERR_print_errors(err);
-               goto end;
+               BIO_printf(err,"bad input format specified for %s\n", desc);
+               return 0;
                }
 
        if (file == NULL)
-               BIO_set_fp(certs,stdin,BIO_NOCLOSE);
+               bio = BIO_new_fp(stdin,BIO_NOCLOSE);
        else
+               bio = BIO_new_file(file, "r");
+
+       if (bio == NULL)
                {
-               if (BIO_read_filename(certs,file) <= 0)
-                       {
-                       BIO_printf(err, "Error opening %s %s\n",
-                               cert_descrip, file);
-                       ERR_print_errors(err);
+               BIO_printf(err, "Error opening %s %s\n",
+                               desc, file ? file : "stdin");
+               ERR_print_errors(err);
+               return 0;
+               }
+
+       xis = PEM_X509_INFO_read_bio(bio, NULL,
+                               (pem_password_cb *)password_callback, &cb_data);
+
+       BIO_free(bio);
+
+       if (pcerts)
+               {
+               *pcerts = sk_X509_new_null();
+               if (!*pcerts)
                        goto end;
-                       }
                }
 
-       if      (format == FORMAT_PEM)
+       if (pcrls)
                {
-               othercerts = sk_X509_new_null();
-               if(!othercerts)
-                       {
-                       sk_X509_free(othercerts);
-                       othercerts = NULL;
+               *pcrls = sk_X509_CRL_new_null();
+               if (!*pcrls)
                        goto end;
+               }
+
+       for(i = 0; i < sk_X509_INFO_num(xis); i++)
+               {
+               xi = sk_X509_INFO_value (xis, i);
+               if (xi->x509 && pcerts)
+                       {
+                       if (!sk_X509_push(*pcerts, xi->x509))
+                               goto end;
+                       xi->x509 = NULL;
                        }
-               allcerts = PEM_X509_INFO_read_bio(certs, NULL,
-                               (pem_password_cb *)password_callback, &cb_data);
-               for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
+               if (xi->crl && pcrls)
                        {
-                       xi = sk_X509_INFO_value (allcerts, i);
-                       if (xi->x509)
-                               {
-                               sk_X509_push(othercerts, xi->x509);
-                               xi->x509 = NULL;
-                               }
+                       if (!sk_X509_CRL_push(*pcrls, xi->crl))
+                               goto end;
+                       xi->crl = NULL;
                        }
-               goto end;
                }
-       else    {
-               BIO_printf(err,"bad input format specified for %s\n",
-                       cert_descrip);
-               goto end;
-               }
-end:
-       if (othercerts == NULL)
+
+       if (pcerts && sk_X509_num(*pcerts) > 0)
+               rv = 1;
+
+       if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
+               rv = 1;
+
+       end:
+
+       if (xis)
+               sk_X509_INFO_pop_free(xis, X509_INFO_free);
+
+       if (rv == 0)
                {
-               BIO_printf(err,"unable to load certificates\n");
+               if (pcerts)
+                       {
+                       sk_X509_pop_free(*pcerts, X509_free);
+                       *pcerts = NULL;
+                       }
+               if (pcrls)
+                       {
+                       sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
+                       *pcrls = NULL;
+                       }
+               BIO_printf(err,"unable to load %s\n",
+                               pcerts ? "certificates" : "CRLs");
                ERR_print_errors(err);
                }
-       if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
-       if (certs != NULL) BIO_free(certs);
-       return(othercerts);
+       return rv;
        }
 
+STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
+       const char *pass, ENGINE *e, const char *desc)
+       {
+       STACK_OF(X509) *certs;
+       if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
+               return NULL;
+       return certs;
+       }       
+
+STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
+       const char *pass, ENGINE *e, const char *desc)
+       {
+       STACK_OF(X509_CRL) *crls;
+       if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
+               return NULL;
+       return crls;
+       }       
 
 #define X509V3_EXT_UNKNOWN_MASK                (0xfL << 16)
 /* Return error for unknown extensions */
@@ -1486,7 +1551,7 @@ char *make_config_name()
        return p;
        }
 
-static unsigned long index_serial_hash(const CSTRING *a)
+static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
        {
        const char *n;
 
@@ -1495,7 +1560,7 @@ static unsigned long index_serial_hash(const CSTRING *a)
        return(lh_strhash(n));
        }
 
-static int index_serial_cmp(const CSTRING *a, const CSTRING *b)
+static int index_serial_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
        {
        const char *aa,*bb;
 
@@ -1507,16 +1572,16 @@ static int index_serial_cmp(const CSTRING *a, const CSTRING *b)
 static int index_name_qual(char **a)
        { return(a[0][0] == 'V'); }
 
-static unsigned long index_name_hash(const CSTRING *a)
+static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
        { return(lh_strhash(a[DB_name])); }
 
-int index_name_cmp(const CSTRING *a, const CSTRING *b)
+int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
        { return(strcmp(a[DB_name], b[DB_name])); }
 
-static IMPLEMENT_LHASH_HASH_FN(index_serial, CSTRING)
-static IMPLEMENT_LHASH_COMP_FN(index_serial, CSTRING)
-static IMPLEMENT_LHASH_HASH_FN(index_name, CSTRING)
-static IMPLEMENT_LHASH_COMP_FN(index_name, CSTRING)
+static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
+static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
 
 #undef BSIZE
 #define BSIZE 256
@@ -2190,9 +2255,11 @@ int args_verify(char ***pargs, int *pargc,
        ASN1_OBJECT *otmp = NULL;
        unsigned long flags = 0;
        int i;
-       int purpose = 0;
+       int purpose = 0, depth = -1;
        char **oldargs = *pargs;
        char *arg = **pargs, *argn = (*pargs)[1];
+       const X509_VERIFY_PARAM *vpm = NULL;
+       time_t at_time = 0;
        if (!strcmp(arg, "-policy"))
                {
                if (!argn)
@@ -2230,6 +2297,57 @@ int args_verify(char ***pargs, int *pargc,
                        }
                (*pargs)++;
                }
+       else if (strcmp(arg,"-verify_name") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       vpm = X509_VERIFY_PARAM_lookup(argn);
+                       if(!vpm)
+                               {
+                               BIO_printf(err, "unrecognized verify name\n");
+                               *badarg = 1;
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-verify_depth") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       depth = atoi(argn);
+                       if(depth < 0)
+                               {
+                               BIO_printf(err, "invalid depth\n");
+                               *badarg = 1;
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-attime") == 0)
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       long timestamp;
+                       /* interpret the -attime argument as seconds since
+                        * Epoch */
+                       if (sscanf(argn, "%li", &timestamp) != 1)
+                               {
+                               BIO_printf(bio_err,
+                                               "Error parsing timestamp %s\n",
+                                               argn);
+                               *badarg = 1;
+                               }
+                       /* on some platforms time_t may be a float */
+                       at_time = (time_t) timestamp;
+                       }
+               (*pargs)++;
+               }
        else if (!strcmp(arg, "-ignore_critical"))
                flags |= X509_V_FLAG_IGNORE_CRITICAL;
        else if (!strcmp(arg, "-issuer_checks"))
@@ -2254,6 +2372,16 @@ int args_verify(char ***pargs, int *pargc,
                flags |= X509_V_FLAG_USE_DELTAS;
        else if (!strcmp(arg, "-policy_print"))
                flags |= X509_V_FLAG_NOTIFY_POLICY;
+       else if (!strcmp(arg, "-check_ss_sig"))
+               flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
+       else if (!strcmp(arg, "-trusted_first"))
+               flags |= X509_V_FLAG_TRUSTED_FIRST;
+       else if (!strcmp(arg, "-suiteB_128_only"))
+               flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
+       else if (!strcmp(arg, "-suiteB_128"))
+               flags |= X509_V_FLAG_SUITEB_128_LOS;
+       else if (!strcmp(arg, "-suiteB_192"))
+               flags |= X509_V_FLAG_SUITEB_192_LOS;
        else
                return 0;
 
@@ -2271,6 +2399,9 @@ int args_verify(char ***pargs, int *pargc,
                goto end;
                }
 
+       if (vpm)
+               X509_VERIFY_PARAM_set1(*pm, vpm);
+
        if (otmp)
                X509_VERIFY_PARAM_add0_policy(*pm, otmp);
        if (flags)
@@ -2279,6 +2410,12 @@ int args_verify(char ***pargs, int *pargc,
        if (purpose)
                X509_VERIFY_PARAM_set_purpose(*pm, purpose);
 
+       if (depth >= 0)
+               X509_VERIFY_PARAM_set_depth(*pm, depth);
+
+       if (at_time) 
+               X509_VERIFY_PARAM_set_time(*pm, at_time);
+
        end:
 
        (*pargs)++;
@@ -2610,6 +2747,79 @@ void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
 
 #endif
 
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+/* next_protos_parse parses a comma separated list of strings into a string
+ * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
+ *   outlen: (output) set to the length of the resulting buffer on success.
+ *   err: (maybe NULL) on failure, an error message line is written to this BIO.
+ *   in: a NUL termianted string like "abc,def,ghi"
+ *
+ *   returns: a malloced buffer or NULL on failure.
+ */
+unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
+       {
+       size_t len;
+       unsigned char *out;
+       size_t i, start = 0;
+
+       len = strlen(in);
+       if (len >= 65535)
+               return NULL;
+
+       out = OPENSSL_malloc(strlen(in) + 1);
+       if (!out)
+               return NULL;
+
+       for (i = 0; i <= len; ++i)
+               {
+               if (i == len || in[i] == ',')
+                       {
+                       if (i - start > 255)
+                               {
+                               OPENSSL_free(out);
+                               return NULL;
+                               }
+                       out[start] = i - start;
+                       start = i + 1;
+                       }
+               else
+                       out[i+1] = in[i];
+               }
+
+       *outlen = len + 1;
+       return out;
+       }
+#endif  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
+
+void print_cert_checks(BIO *bio, X509 *x,
+                               const unsigned char *checkhost,
+                               const unsigned char *checkemail,
+                               const char *checkip)
+       {
+       if (x == NULL)
+               return;
+       if (checkhost)
+               {
+               BIO_printf(bio, "Hostname %s does%s match certificate\n",
+                               checkhost, X509_check_host(x, checkhost, 0, 0)
+                                               ? "" : " NOT");
+               }
+
+       if (checkemail)
+               {
+               BIO_printf(bio, "Email %s does%s match certificate\n",
+                               checkemail, X509_check_email(x, checkemail, 0,
+                                               0) ? "" : " NOT");
+               }
+
+       if (checkip)
+               {
+               BIO_printf(bio, "IP %s does%s match certificate\n",
+                               checkip, X509_check_ip_asc(x, checkip,
+                                               0) ? "" : " NOT");
+               }
+       }
+
 /*
  * Platform-specific sections
  */