X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=apps%2Fenc.c;h=3c2c91e920df82dc342559562b8175f922275349;hp=a41ea800ac18ad3e12ecd4566ae137882e695a95;hb=0e039aa7976eb2278339441125473d7219bee413;hpb=7806f3dd4b44a0de379b4b8ac3ffc0fc8f249415

diff --git a/apps/enc.c b/apps/enc.c
index a41ea800ac..3c2c91e920 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -67,6 +67,7 @@
 #include <openssl/x509.h>
 #include <openssl/rand.h>
 #include <openssl/pem.h>
+#include <openssl/comp.h>
 #include <ctype.h>
 
 int set_hex(char *in,unsigned char *out,int size);
@@ -116,6 +117,10 @@ int MAIN(int argc, char **argv)
 	char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
 	char *md=NULL;
 	int enc=1,printkey=0,i,base64=0;
+#ifdef ZLIB
+	int do_zlib=0;
+	BIO *bzl = NULL;
+#endif
 	int debug=0,olb64=0,nosalt=0;
 	const EVP_CIPHER *cipher=NULL,*c;
 	EVP_CIPHER_CTX *ctx = NULL;
@@ -141,9 +146,18 @@ int MAIN(int argc, char **argv)
 	program_name(argv[0],pname,sizeof pname);
 	if (strcmp(pname,"base64") == 0)
 		base64=1;
+#ifdef ZLIB
+	if (strcmp(pname,"zlib") == 0)
+		do_zlib=1;
+#endif
 
 	cipher=EVP_get_cipherbyname(pname);
+#ifdef ZLIB
+	if (!do_zlib && !base64 && (cipher == NULL)
+				&& (strcmp(pname,"enc") != 0))
+#else
 	if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0))
+#endif
 		{
 		BIO_printf(bio_err,"%s is an unknown cipher\n",pname);
 		goto bad;
@@ -199,6 +213,10 @@ int MAIN(int argc, char **argv)
 			base64=1;
 		else if	(strcmp(*argv,"-base64") == 0)
 			base64=1;
+#ifdef ZLIB
+		else if	(strcmp(*argv,"-z") == 0)
+			do_zlib=1;
+#endif
 		else if (strcmp(*argv,"-bufsize") == 0)
 			{
 			if (--argc < 1) goto bad;
@@ -225,7 +243,12 @@ int MAIN(int argc, char **argv)
 				goto bad;
 				}
 			buf[0]='\0';
-			fgets(buf,sizeof buf,infile);
+			if (!fgets(buf,sizeof buf,infile))
+				{
+				BIO_printf(bio_err,"unable to read key from '%s'\n",
+					file);
+				goto bad;
+				}
 			fclose(infile);
 			i=strlen(buf);
 			if ((i > 0) &&
@@ -283,9 +306,11 @@ bad:
 			BIO_printf(bio_err,"%-14s passphrase is the first line of the file argument\n","-kfile");
 			BIO_printf(bio_err,"%-14s the next argument is the md to use to create a key\n","-md");
 			BIO_printf(bio_err,"%-14s   from a passphrase.  One of md2, md5, sha or sha1\n","");
+			BIO_printf(bio_err,"%-14s salt in hex is the next argument\n","-S");
 			BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv");
 			BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]");
 			BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>");
+			BIO_printf(bio_err,"%-14s disable standard block padding\n","-nopad");
 #ifndef OPENSSL_NO_ENGINE
 			BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e");
 #endif
@@ -446,6 +471,19 @@ bad:
 	rbio=in;
 	wbio=out;
 
+#ifdef ZLIB
+
+	if (do_zlib)
+		{
+		if ((bzl=BIO_new(BIO_f_zlib())) == NULL)
+			goto end;
+		if (enc)
+			wbio=BIO_push(bzl,wbio);
+		else
+			rbio=BIO_push(bzl,rbio);
+		}
+#endif
+
 	if (base64)
 		{
 		if ((b64=BIO_new(BIO_f_base64())) == NULL)
@@ -527,7 +565,8 @@ bad:
 			BIO_printf(bio_err,"invalid hex iv value\n");
 			goto end;
 			}
-		if ((hiv == NULL) && (str == NULL))
+		if ((hiv == NULL) && (str == NULL)
+		    && EVP_CIPHER_iv_length(cipher) != 0)
 			{
 			/* No IV was explicitly set and no IV was generated
 			 * during EVP_BytesToKey. Hence the IV is undefined,
@@ -639,6 +678,9 @@ end:
 	if (out != NULL) BIO_free_all(out);
 	if (benc != NULL) BIO_free(benc);
 	if (b64 != NULL) BIO_free(b64);
+#ifdef ZLIB
+	if (bzl != NULL) BIO_free(bzl);
+#endif
 	if(pass) OPENSSL_free(pass);
 	apps_shutdown();
 	OPENSSL_EXIT(ret);