X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=crypt_common.c;h=022692adc52ce1cb8fe4ec925e93362e89b4b754;hp=705c7249903e2f4e998043e2a483029c43596809;hb=68630d8b55d688a7c7ce116951c310150aa9c166;hpb=1745a87654ce08b57c46ce0870d8571eacbe27c9

diff --git a/crypt_common.c b/crypt_common.c
index 705c7249..022692ad 100644
--- a/crypt_common.c
+++ b/crypt_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -90,41 +90,31 @@ int base64_decode(char const *src, unsigned char *target, size_t targsize)
 
 		switch (state) {
 		case 0:
-			if (target) {
-				if (tarindex >= targsize)
-					return -E_BASE64;
-				target[tarindex] = (pos - Base64) << 2;
-			}
+			if (tarindex >= targsize)
+				return -E_BASE64;
+			target[tarindex] = (pos - Base64) << 2;
 			state = 1;
 			break;
 		case 1:
-			if (target) {
-				if (tarindex + 1 >= targsize)
-					return -E_BASE64;
-				target[tarindex]   |=  (pos - Base64) >> 4;
-				target[tarindex+1]  = ((pos - Base64) & 0x0f)
-							<< 4 ;
-			}
+			if (tarindex + 1 >= targsize)
+				return -E_BASE64;
+			target[tarindex] |= (pos - Base64) >> 4;
+			target[tarindex + 1] = ((pos - Base64) & 0x0f) << 4;
 			tarindex++;
 			state = 2;
 			break;
 		case 2:
-			if (target) {
-				if (tarindex + 1 >= targsize)
-					return -E_BASE64;
-				target[tarindex]   |=  (pos - Base64) >> 2;
-				target[tarindex+1]  = ((pos - Base64) & 0x03)
-							<< 6;
-			}
+			if (tarindex + 1 >= targsize)
+				return -E_BASE64;
+			target[tarindex] |= (pos - Base64) >> 2;
+			target[tarindex + 1] = ((pos - Base64) & 0x03) << 6;
 			tarindex++;
 			state = 3;
 			break;
 		case 3:
-			if (target) {
-				if (tarindex >= targsize)
-					return -E_BASE64;
-				target[tarindex] |= (pos - Base64);
-			}
+			if (tarindex >= targsize)
+				return -E_BASE64;
+			target[tarindex] |= pos - Base64;
 			tarindex++;
 			state = 0;
 			break;
@@ -170,7 +160,7 @@ int base64_decode(char const *src, unsigned char *target, size_t targsize)
 			 * zeros.  If we don't check them, they become a
 			 * subliminal channel.
 			 */
-			if (target && target[tarindex] != 0)
+			if (target[tarindex] != 0)
 				return -E_BASE64;
 		}
 	} else {
@@ -321,41 +311,3 @@ int hash_compare(unsigned char *h1, unsigned char *h2)
 	}
 	return 0;
 }
-
-int sc_recv_buffer(struct stream_cipher_context *scc, char *buf, size_t size)
-{
-	int n;
-
-	assert(size);
-	n = sc_recv_bin_buffer(scc, buf, size - 1);
-	if (n >= 0)
-		buf[n] = '\0';
-	else
-		*buf = '\0';
-	return n;
-}
-
-int sc_send_buffer(struct stream_cipher_context *scc, char *buf)
-{
-	size_t len = strlen(buf);
-	int ret = sc_send_bin_buffer(scc, buf, len);
-
-	if (ret < 0 || ret == len)
-		return ret;
-	return -E_SHORT_WRITE;
-}
-
-__printf_2_3 int sc_send_va_buffer(struct stream_cipher_context *scc,
-		const char *fmt, ...)
-{
-	char *msg;
-	int ret;
-	va_list ap;
-
-	va_start(ap, fmt);
-	ret = xvasprintf(&msg, fmt, ap);
-	va_end(ap);
-	ret = sc_send_bin_buffer(scc, msg, ret);
-	free(msg);
-	return ret;
-}