Move the certificate and key loading functions to apps.c, so they can
[openssl.git] / apps / apps.c
index 4e3f32d07a0608ffb93f11652ada2d3538195579..892bc989b1576dd5097b64511ae01b95371a7c16 100644 (file)
 #define NON_MAIN
 #include "apps.h"
 #undef NON_MAIN
+#include <openssl/err.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/pkcs12.h>
+#include <openssl/safestack.h>
 
 #ifdef WINDOWS
 #  include "bss_file.c"
@@ -91,8 +96,8 @@ int args_from_file(char *file, int *argc, char **argv[])
        *argv=NULL;
 
        len=(unsigned int)stbuf.st_size;
-       if (buf != NULL) Free(buf);
-       buf=(char *)Malloc(len+1);
+       if (buf != NULL) OPENSSL_free(buf);
+       buf=(char *)OPENSSL_malloc(len+1);
        if (buf == NULL) return(0);
 
        len=fread(buf,1,len,fp);
@@ -102,8 +107,8 @@ int args_from_file(char *file, int *argc, char **argv[])
        i=0;
        for (p=buf; *p; p++)
                if (*p == '\n') i++;
-       if (arg != NULL) Free(arg);
-       arg=(char **)Malloc(sizeof(char *)*(i*2));
+       if (arg != NULL) OPENSSL_free(arg);
+       arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2));
 
        *argv=arg;
        num=0;
@@ -159,6 +164,10 @@ int str2fmt(char *s)
                return(FORMAT_PEM);
        else if ((*s == 'N') || (*s == 'n'))
                return(FORMAT_NETSCAPE);
+       else if ((*s == '1')
+               || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0)
+               || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0))
+               return(FORMAT_PKCS12);
        else
                return(FORMAT_UNDEF);
        }
@@ -266,7 +275,7 @@ int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
        if (arg->count == 0)
                {
                arg->count=20;
-               arg->data=(char **)Malloc(sizeof(char *)*arg->count);
+               arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count);
                }
        for (i=0; i<arg->count; i++)
                arg->data[i]=NULL;
@@ -285,7 +294,7 @@ int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
                if (num >= arg->count)
                        {
                        arg->count+=20;
-                       arg->data=(char **)Realloc(arg->data,
+                       arg->data=(char **)OPENSSL_realloc(arg->data,
                                sizeof(char *)*arg->count);
                        if (argc == 0) return(0);
                        }
@@ -325,16 +334,6 @@ int app_init(long mesgwin)
        }
 #endif
 
-int MS_CALLBACK key_cb(char *buf, int len, int verify, void *key)
-       {
-       int i;
-
-       if (key == NULL) return(0);
-       i=strlen(key);
-       i=(i > len)?len:i;
-       memcpy(buf,key,i);
-       return(i);
-       }
 
 int dump_cert_text (BIO *out, X509 *x)
 {
@@ -349,3 +348,284 @@ int dump_cert_text (BIO *out, X509 *x)
        BIO_puts(out,"\n");
         return 0;
 }
+
+static char *app_get_pass(BIO *err, char *arg, int keepbio);
+
+int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
+{
+       int same;
+       if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0;
+       else same = 1;
+       if(arg1) {
+               *pass1 = app_get_pass(err, arg1, same);
+               if(!*pass1) return 0;
+       } else if(pass1) *pass1 = NULL;
+       if(arg2) {
+               *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
+               if(!*pass2) return 0;
+       } else if(pass2) *pass2 = NULL;
+       return 1;
+}
+
+static char *app_get_pass(BIO *err, char *arg, int keepbio)
+{
+       char *tmp, tpass[APP_PASS_LEN];
+       static BIO *pwdbio = NULL;
+       int i;
+       if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5);
+       if(!strncmp(arg, "env:", 4)) {
+               tmp = getenv(arg + 4);
+               if(!tmp) {
+                       BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
+                       return NULL;
+               }
+               return BUF_strdup(tmp);
+       }
+       if(!keepbio || !pwdbio) {
+               if(!strncmp(arg, "file:", 5)) {
+                       pwdbio = BIO_new_file(arg + 5, "r");
+                       if(!pwdbio) {
+                               BIO_printf(err, "Can't open file %s\n", arg + 5);
+                               return NULL;
+                       }
+               } else if(!strncmp(arg, "fd:", 3)) {
+                       BIO *btmp;
+                       i = atoi(arg + 3);
+                       if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
+                       if((i < 0) || !pwdbio) {
+                               BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
+                               return NULL;
+                       }
+                       /* Can't do BIO_gets on an fd BIO so add a buffering BIO */
+                       btmp = BIO_new(BIO_f_buffer());
+                       pwdbio = BIO_push(btmp, pwdbio);
+               } else if(!strcmp(arg, "stdin")) {
+                       pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
+                       if(!pwdbio) {
+                               BIO_printf(err, "Can't open BIO for stdin\n");
+                               return NULL;
+                       }
+               } else {
+                       BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
+                       return NULL;
+               }
+       }
+       i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
+       if(keepbio != 1) {
+               BIO_free_all(pwdbio);
+               pwdbio = NULL;
+       }
+       if(i <= 0) {
+               BIO_printf(err, "Error reading password from BIO\n");
+               return NULL;
+       }
+       tmp = strchr(tpass, '\n');
+       if(tmp) *tmp = 0;
+       return BUF_strdup(tpass);
+}
+
+X509 *load_cert(char *file, int format)
+       {
+       ASN1_HEADER *ah=NULL;
+       BUF_MEM *buf=NULL;
+       X509 *x=NULL;
+       BIO *cert;
+
+       if ((cert=BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       if (file == NULL)
+               BIO_set_fp(cert,stdin,BIO_NOCLOSE);
+       else
+               {
+               if (BIO_read_filename(cert,file) <= 0)
+                       {
+                       perror(file);
+                       goto end;
+                       }
+               }
+
+       if      (format == FORMAT_ASN1)
+               x=d2i_X509_bio(cert,NULL);
+       else if (format == FORMAT_NETSCAPE)
+               {
+               unsigned char *p,*op;
+               int size=0,i;
+
+               /* We sort of have to do it this way because it is sort of nice
+                * to read the header first and check it, then
+                * try to read the certificate */
+               buf=BUF_MEM_new();
+               for (;;)
+                       {
+                       if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
+                               goto end;
+                       i=BIO_read(cert,&(buf->data[size]),1024*10);
+                       size+=i;
+                       if (i == 0) break;
+                       if (i < 0)
+                               {
+                               perror("reading certificate");
+                               goto end;
+                               }
+                       }
+               p=(unsigned char *)buf->data;
+               op=p;
+
+               /* First load the header */
+               if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
+                       goto end;
+               if ((ah->header == NULL) || (ah->header->data == NULL) ||
+                       (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data,
+                       ah->header->length) != 0))
+                       {
+                       BIO_printf(bio_err,"Error reading header on certificate\n");
+                       goto end;
+                       }
+               /* header is ok, so now read the object */
+               p=op;
+               ah->meth=X509_asn1_meth();
+               if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
+                       goto end;
+               x=(X509 *)ah->data;
+               ah->data=NULL;
+               }
+       else if (format == FORMAT_PEM)
+               x=PEM_read_bio_X509_AUX(cert,NULL,NULL,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;
+               }
+       else    {
+               BIO_printf(bio_err,"bad input format specified for input cert\n");
+               goto end;
+               }
+end:
+       if (x == NULL)
+               {
+               BIO_printf(bio_err,"unable to load certificate\n");
+               ERR_print_errors(bio_err);
+               }
+       if (ah != NULL) ASN1_HEADER_free(ah);
+       if (cert != NULL) BIO_free(cert);
+       if (buf != NULL) BUF_MEM_free(buf);
+       return(x);
+       }
+
+EVP_PKEY *load_key(char *file, int format, char *pass)
+       {
+       BIO *key=NULL;
+       EVP_PKEY *pkey=NULL;
+
+       if (file == NULL)
+               {
+               BIO_printf(bio_err,"no keyfile specified\n");
+               goto end;
+               }
+       key=BIO_new(BIO_s_file());
+       if (key == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+       if (BIO_read_filename(key,file) <= 0)
+               {
+               perror(file);
+               goto end;
+               }
+       if (format == FORMAT_ASN1)
+               {
+               pkey=d2i_PrivateKey_bio(key, NULL);
+               }
+       else if (format == FORMAT_PEM)
+               {
+               pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,pass);
+               }
+       else if (format == FORMAT_PKCS12)
+               {
+               PKCS12 *p12 = d2i_PKCS12_bio(key, NULL);
+
+               PKCS12_parse(p12, pass, &pkey, NULL, NULL);
+               PKCS12_free(p12);
+               p12 = NULL;
+               }
+       else
+               {
+               BIO_printf(bio_err,"bad input format specified for key\n");
+               goto end;
+               }
+ end:
+       if (key != NULL) BIO_free(key);
+       if (pkey == NULL)
+               BIO_printf(bio_err,"unable to load Private Key\n");
+       return(pkey);
+       }
+
+STACK_OF(X509) *load_certs(char *file, int format)
+       {
+       BIO *certs;
+       int i;
+       STACK_OF(X509) *othercerts = NULL;
+       STACK_OF(X509_INFO) *allcerts = NULL;
+       X509_INFO *xi;
+
+       if((certs = BIO_new(BIO_s_file())) == NULL)
+               {
+               ERR_print_errors(bio_err);
+               goto end;
+               }
+
+       if (file == NULL)
+               BIO_set_fp(certs,stdin,BIO_NOCLOSE);
+       else
+               {
+               if (BIO_read_filename(certs,file) <= 0)
+                       {
+                       perror(file);
+                       goto end;
+                       }
+               }
+
+       if      (format == FORMAT_PEM)
+               {
+               othercerts = sk_X509_new(NULL);
+               if(!othercerts)
+                       {
+                       sk_X509_free(othercerts);
+                       othercerts = NULL;
+                       goto end;
+                       }
+               allcerts = PEM_X509_INFO_read_bio(certs, NULL, NULL, NULL);
+               for(i = 0; i < sk_X509_INFO_num(allcerts); i++)
+                       {
+                       xi = sk_X509_INFO_value (allcerts, i);
+                       if (xi->x509)
+                               {
+                               sk_X509_push(othercerts, xi->x509);
+                               xi->x509 = NULL;
+                               }
+                       }
+               goto end;
+               }
+       else    {
+               BIO_printf(bio_err,"bad input format specified for input cert\n");
+               goto end;
+               }
+end:
+       if (othercerts == NULL)
+               {
+               BIO_printf(bio_err,"unable to load certificates\n");
+               ERR_print_errors(bio_err);
+               }
+       if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free);
+       if (certs != NULL) BIO_free(certs);
+       return(othercerts);
+       }
+