initialize newly allocated data
[openssl.git] / apps / apps.c
index 47b59b4545a683d17b332a79aab0ae99b0b23cc5..248c65adb395fcce69229b1bdbd9b7aeda90b6ea 100644 (file)
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
+#include <openssl/rsa.h>
+#include <openssl/bn.h>
 
 #define NON_MAIN
 #include "apps.h"
 #undef NON_MAIN
 
 typedef struct {
-       char *name;
+       const char *name;
        unsigned long flag;
        unsigned long mask;
 } NAME_EX_TBL;
@@ -341,44 +343,6 @@ void program_name(char *in, char *out, int size)
 #endif
 #endif
 
-#ifdef OPENSSL_SYS_WIN32
-int WIN32_rename(char *from, char *to)
-       {
-#ifndef OPENSSL_SYS_WINCE
-       /* Windows rename gives an error if 'to' exists, so delete it
-        * first and ignore file not found errror
-        */
-       if((remove(to) != 0) && (errno != ENOENT))
-               return -1;
-#undef rename
-       return rename(from, to);
-#else
-       /* convert strings to UNICODE */
-       {
-       BOOL result = FALSE;
-       WCHAR* wfrom;
-       WCHAR* wto;
-       int i;
-       wfrom = malloc((strlen(from)+1)*2);
-       wto = malloc((strlen(to)+1)*2);
-       if (wfrom != NULL && wto != NULL)
-               {
-               for (i=0; i<(int)strlen(from)+1; i++)
-                       wfrom[i] = (short)from[i];
-               for (i=0; i<(int)strlen(to)+1; i++)
-                       wto[i] = (short)to[i];
-               result = MoveFile(wfrom, wto);
-               }
-       if (wfrom != NULL)
-               free(wfrom);
-       if (wto != NULL)
-               free(wto);
-       return result;
-       }
-#endif
-       }
-#endif
-
 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
        {
        int num,len,i;
@@ -410,10 +374,17 @@ int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
                /* The start of something good :-) */
                if (num >= arg->count)
                        {
-                       arg->count+=20;
-                       arg->data=(char **)OPENSSL_realloc(arg->data,
-                               sizeof(char *)*arg->count);
-                       if (argc == 0) return(0);
+                       char **tmp_p;
+                       int tlen = arg->count + 20;
+                       tmp_p = (char **)OPENSSL_realloc(arg->data,
+                               sizeof(char *)*tlen);
+                       if (tmp_p == NULL)
+                               return 0;
+                       arg->data  = tmp_p;
+                       arg->count = tlen;
+                       /* initialize newly allocated data */
+                       for (i = num; i < arg->count; i++)
+                               arg->data[i] = NULL;
                        }
                arg->data[num++]=p;
 
@@ -575,7 +546,7 @@ int password_callback(char *buf, int bufsiz, int verify,
                char *prompt = NULL;
 
                prompt = UI_construct_prompt(ui, "pass phrase",
-                       cb_data->prompt_info);
+                       prompt_info);
 
                ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
                UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
@@ -724,6 +695,51 @@ int add_oid_section(BIO *err, CONF *conf)
        return 1;
 }
 
+static int load_pkcs12(BIO *err, BIO *in, const char *desc,
+               pem_password_cb *pem_cb,  void *cb_data,
+               EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
+       {
+       const char *pass;
+       char tpass[PEM_BUFSIZE];
+       int len, ret = 0;
+       PKCS12 *p12;
+       p12 = d2i_PKCS12_bio(in, NULL);
+       if (p12 == NULL)
+               {
+               BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);    
+               goto die;
+               }
+       /* See if an empty password will do */
+       if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
+               pass = "";
+       else
+               {
+               if (!pem_cb)
+                       pem_cb = (pem_password_cb *)password_callback;
+               len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
+               if (len < 0) 
+                       {
+                       BIO_printf(err, "Passpharse callback error for %s\n",
+                                       desc);
+                       goto die;
+                       }
+               if (len < PEM_BUFSIZE)
+                       tpass[len] = 0;
+               if (!PKCS12_verify_mac(p12, tpass, len))
+                       {
+                       BIO_printf(err,
+       "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc);    
+                       goto die;
+                       }
+               pass = tpass;
+               }
+       ret = PKCS12_parse(p12, pass, pkey, cert, ca);
+       die:
+       if (p12)
+               PKCS12_free(p12);
+       return ret;
+       }
+
 X509 *load_cert(BIO *err, const char *file, int format,
        const char *pass, ENGINE *e, const char *cert_descrip)
        {
@@ -758,7 +774,7 @@ X509 *load_cert(BIO *err, const char *file, int format,
                x=d2i_X509_bio(cert,NULL);
        else if (format == FORMAT_NETSCAPE)
                {
-               unsigned char *p,*op;
+               const unsigned char *p,*op;
                int size=0,i;
 
                /* We sort of have to do it this way because it is sort of nice
@@ -804,11 +820,9 @@ X509 *load_cert(BIO *err, const char *file, int format,
                        (pem_password_cb *)password_callback, NULL);
        else if (format == FORMAT_PKCS12)
                {
-               PKCS12 *p12 = d2i_PKCS12_bio(cert, NULL);
-
-               PKCS12_parse(p12, NULL, NULL, &x, NULL);
-               PKCS12_free(p12);
-               p12 = NULL;
+               if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL,
+                                       NULL, &x, NULL))
+                       goto end;
                }
        else    {
                BIO_printf(err,"bad input format specified for %s\n",
@@ -887,11 +901,10 @@ EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
 #endif
        else if (format == FORMAT_PKCS12)
                {
-               PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
-
-               PKCS12_parse(p12, pass, &pkey, NULL, NULL);
-               PKCS12_free(p12);
-               p12 = NULL;
+               if (!load_pkcs12(err, key, key_descrip,
+                               (pem_password_cb *)password_callback, &cb_data,
+                               &pkey, NULL, NULL))
+                       goto end;
                }
        else
                {
@@ -1263,7 +1276,7 @@ static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_T
        return 0;
 }
 
-void print_name(BIO *out, char *title, X509_NAME *nm, unsigned long lflags)
+void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags)
 {
        char *buf;
        char mline = 0;
@@ -1471,12 +1484,9 @@ BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
                        }
                else
                        {
-                       ASN1_INTEGER_set(ai,1);
                        ret=BN_new();
-                       if (ret == NULL)
+                       if (ret == NULL || !rand_serial(ret, ai))
                                BIO_printf(bio_err, "Out of memory\n");
-                       else
-                               BN_one(ret);
                        }
                }
        else
@@ -1601,8 +1611,9 @@ int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
                {
                if (errno != ENOENT 
 #ifdef ENOTDIR
-                       && errno != ENOTDIR)
+                       && errno != ENOTDIR
 #endif
+                  )
                        goto err;
                }
        else
@@ -1638,6 +1649,33 @@ int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
        return 0;
        }
 
+int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
+       {
+       BIGNUM *btmp;
+       int ret = 0;
+       if (b)
+               btmp = b;
+       else
+               btmp = BN_new();
+
+       if (!btmp)
+               return 0;
+
+       if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
+               goto error;
+       if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
+               goto error;
+
+       ret = 1;
+       
+       error:
+
+       if (!b)
+               BN_free(btmp);
+       
+       return ret;
+       }
+
 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
        {
        CA_DB *retdb = NULL;
@@ -1744,7 +1782,7 @@ int index_index(CA_DB *db)
        return 1;
        }
 
-int save_index(char *dbfile, char *suffix, CA_DB *db)
+int save_index(const char *dbfile, const char *suffix, CA_DB *db)
        {
        char buf[3][BSIZE];
        BIO *out = BIO_new(BIO_s_file());
@@ -1811,7 +1849,7 @@ int save_index(char *dbfile, char *suffix, CA_DB *db)
        return 0;
        }
 
-int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
+int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix)
        {
        char buf[5][BSIZE];
        int i,j;
@@ -1863,8 +1901,9 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                {
                if (errno != ENOENT 
 #ifdef ENOTDIR
-                       && errno != ENOTDIR)
+                       && errno != ENOTDIR
 #endif
+                  )
                        goto err;
                }
        else
@@ -1899,8 +1938,9 @@ int rotate_index(char *dbfile, char *new_suffix, char *old_suffix)
                {
                if (errno != ENOENT 
 #ifdef ENOTDIR
-                       && errno != ENOTDIR)
+                       && errno != ENOTDIR
 #endif
+                  )
                        goto err;
                }
        else
@@ -1949,7 +1989,7 @@ void free_index(CA_DB *db)
                }
        }
 
-int parse_yesno(char *str, int def)
+int parse_yesno(const char *str, int def)
        {
        int ret = def;
        if (str)
@@ -2114,3 +2154,180 @@ error:
        return NULL;
 }
 
+/* This code MUST COME AFTER anything that uses rename() */
+#ifdef OPENSSL_SYS_WIN32
+int WIN32_rename(const char *from, const char *to)
+       {
+#ifndef OPENSSL_SYS_WINCE
+       /* Windows rename gives an error if 'to' exists, so delete it
+        * first and ignore file not found errror
+        */
+       if((remove(to) != 0) && (errno != ENOENT))
+               return -1;
+#undef rename
+       return rename(from, to);
+#else
+       /* convert strings to UNICODE */
+       {
+       BOOL result = FALSE;
+       WCHAR* wfrom;
+       WCHAR* wto;
+       int i;
+       wfrom = malloc((strlen(from)+1)*2);
+       wto = malloc((strlen(to)+1)*2);
+       if (wfrom != NULL && wto != NULL)
+               {
+               for (i=0; i<(int)strlen(from)+1; i++)
+                       wfrom[i] = (short)from[i];
+               for (i=0; i<(int)strlen(to)+1; i++)
+                       wto[i] = (short)to[i];
+               result = MoveFile(wfrom, wto);
+               }
+       if (wfrom != NULL)
+               free(wfrom);
+       if (wto != NULL)
+               free(wto);
+       return result;
+       }
+#endif
+       }
+#endif
+
+int args_verify(char ***pargs, int *pargc,
+                       int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
+       {
+       ASN1_OBJECT *otmp = NULL;
+       unsigned long flags = 0;
+       int i;
+       int purpose = 0;
+       char **oldargs = *pargs;
+       char *arg = **pargs, *argn = (*pargs)[1];
+       if (!strcmp(arg, "-policy"))
+               {
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       otmp = OBJ_txt2obj(argn, 0);
+                       if (!otmp)
+                               {
+                               BIO_printf(err, "Invalid Policy \"%s\"\n",
+                                                                       argn);
+                               *badarg = 1;
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (strcmp(arg,"-purpose") == 0)
+               {
+               X509_PURPOSE *xptmp;
+               if (!argn)
+                       *badarg = 1;
+               else
+                       {
+                       i = X509_PURPOSE_get_by_sname(argn);
+                       if(i < 0)
+                               {
+                               BIO_printf(err, "unrecognized purpose\n");
+                               *badarg = 1;
+                               }
+                       else
+                               {
+                               xptmp = X509_PURPOSE_get0(i);
+                               purpose = X509_PURPOSE_get_id(xptmp);
+                               }
+                       }
+               (*pargs)++;
+               }
+       else if (!strcmp(arg, "-ignore_critical"))
+               flags |= X509_V_FLAG_IGNORE_CRITICAL;
+       else if (!strcmp(arg, "-issuer_checks"))
+               flags |= X509_V_FLAG_CB_ISSUER_CHECK;
+       else if (!strcmp(arg, "-crl_check"))
+               flags |=  X509_V_FLAG_CRL_CHECK;
+       else if (!strcmp(arg, "-crl_check_all"))
+               flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
+       else if (!strcmp(arg, "-policy_check"))
+               flags |= X509_V_FLAG_POLICY_CHECK;
+       else if (!strcmp(arg, "-explicit_policy"))
+               flags |= X509_V_FLAG_EXPLICIT_POLICY;
+       else if (!strcmp(arg, "-x509_strict"))
+               flags |= X509_V_FLAG_X509_STRICT;
+       else if (!strcmp(arg, "-policy_print"))
+               flags |= X509_V_FLAG_NOTIFY_POLICY;
+       else
+               return 0;
+
+       if (*badarg)
+               {
+               if (*pm)
+                       X509_VERIFY_PARAM_free(*pm);
+               *pm = NULL;
+               goto end;
+               }
+
+       if (!*pm && !(*pm = X509_VERIFY_PARAM_new()))
+               {
+               *badarg = 1;
+               goto end;
+               }
+
+       if (otmp)
+               X509_VERIFY_PARAM_add0_policy(*pm, otmp);
+       if (flags)
+               X509_VERIFY_PARAM_set_flags(*pm, flags);
+
+       if (purpose)
+               X509_VERIFY_PARAM_set_purpose(*pm, purpose);
+
+       end:
+
+       (*pargs)++;
+
+       if (pargc)
+               *pargc -= *pargs - oldargs;
+
+       return 1;
+
+       }
+
+static void nodes_print(BIO *out, const char *name,
+       STACK_OF(X509_POLICY_NODE) *nodes)
+       {
+       X509_POLICY_NODE *node;
+       int i;
+       BIO_printf(out, "%s Policies:", name);
+       if (nodes)
+               {
+               BIO_puts(out, "\n");
+               for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++)
+                       {
+                       node = sk_X509_POLICY_NODE_value(nodes, i);
+                       X509_POLICY_NODE_print(out, node, 2);
+                       }
+               }
+       else
+               BIO_puts(out, " <empty>\n");
+       }
+
+void policies_print(BIO *out, X509_STORE_CTX *ctx)
+       {
+       X509_POLICY_TREE *tree;
+       int explicit_policy;
+       int free_out = 0;
+       if (out == NULL)
+               {
+               out = BIO_new_fp(stderr, BIO_NOCLOSE);
+               free_out = 1;
+               }
+       tree = X509_STORE_CTX_get0_policy_tree(ctx);
+       explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
+
+       BIO_printf(out, "Require explicit Policy: %s\n",
+                               explicit_policy ? "True" : "False");
+
+       nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
+       nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
+       if (free_out)
+               BIO_free(out);
+       }