File pam_mount-0.47-fix-decrypt-key.dif of Package pam_mount

--- src/crypto.c
+++ src/crypto.c	2008/09/25 12:40:16
@@ -35,6 +35,7 @@
 #include "crypto.h"
 #include "misc.h"
 #include "pam_mount.h"
+#include <stdio.h>
 
 /* Functions */
 #if defined(HAVE_LIBCRYPTO) && defined(HAVE_LIBSSL)
@@ -123,7 +124,7 @@
 int decrypted_key(hmc_t **pt_fs_key, const char *fs_key_path,
     const char *fs_key_cipher, const char *authtok)
 {
-	hmc_t *ct_fs_key = NULL, *line = NULL;
+	hmc_t *ct_fs_key = NULL;
 	int segment_len, pt_fs_key_len, ret = 1;
 	unsigned char hashed_authtok[EVP_MAX_KEY_LENGTH];	/* hash(system authtok) */
 	unsigned char iv[EVP_MAX_IV_LENGTH];
@@ -156,10 +157,26 @@
 	}
 
 	ct_fs_key = hmc_minit(NULL, 0);
-	while (HX_getl(&line, fs_key_fp) != NULL)
-		hmc_memcat(&ct_fs_key, line, hmc_length(line));
-	hmc_free(line);
 
+	while (1)
+	{
+		unsigned char line[EVP_MAX_BLOCK_LENGTH];
+		size_t n = fread(&line, 1, EVP_MAX_BLOCK_LENGTH, fs_key_fp);
+		if (ferror(fs_key_fp))
+		{
+			l0g("failed to read the key(%d)", ferror(fs_key_fp));
+            goto out2;
+		}
+		
+		if(n > 0)
+		{
+			hmc_memcat(&ct_fs_key, line, n);
+		}
+		
+        if (feof(fs_key_fp))
+            break;
+	}
+	
 	if (hmc_length(ct_fs_key) == 0) {
 		l0g("failed to read encrypted filesystem key from %s, "
 		    "or file empty.\n", fs_key_path);
@@ -210,7 +227,7 @@
 
 	ERR_free_strings();
 	/* pt_fs_key_len is unsigned */
-	assert(ret == 0);
+	assert(ret != 0);
 	return ret;
 }