Implement image verification.

tool/CMakeLists.txt

@@ -4,5 +4,5 @@ find_package(ICU COMPONENTS uc REQUIRED)
 
 include_directories(${ICU_INCLUDE_DIRS})
 
-add_executable(aaruformattool main.c main.h aaruformattool.h identify.c info.c helpers.c read.c printhex.c)
+add_executable(aaruformattool main.c main.h aaruformattool.h identify.c info.c helpers.c read.c printhex.c verify.c)
 target_link_libraries(aaruformattool "aaruformat" ICU::uc)

tool/aaruformattool.h

@@ -27,5 +27,6 @@ char* byte_array_to_hex_string(const unsigned char* array, int array_size);
 int   read(unsigned long long sector_no, char* path);
 int   printhex(unsigned char* array, unsigned int length, int width, bool color);
 int   read_long(unsigned long long sector_no, char* path);
+int   verify(char* path);
 
 #endif // LIBAARUFORMAT_TOOL_AARUFORMATTOOL_H_

tool/main.c

@@ -37,6 +37,7 @@ void usage()
     printf("\tinfo\tPrints information about a given AaruFormat image.\n");
     printf("\tread\tReads a sector and prints it out on screen.\n");
     printf("\tread_long\tReads a sector with all its prefixes and suffixes and prints it out on screen.\n");
+    printf("\tverify\tVerifies the integrity of all blocks in a AaruFormat image.\n");
     printf("\n");
     printf("For help on the verb invoke the tool with the verb and no arguments.\n");
 }
@@ -87,6 +88,17 @@ void usage_read_long()
     printf("\t<filename>\tPath to AaruFormat image to print information from.\n");
 }
 
+void usage_verify()
+{
+    printf("\n");
+    printf("Usage:\n");
+    printf("aaruformattool verify <filename>\n");
+    printf("Verifies the integrity of all blocks in a AaruFormat image.\n");
+    printf("\n");
+    printf("Arguments:\n");
+    printf("\t<filename>\tPath to AaruFormat image to verify.\n");
+}
+
 int main(int argc, char* argv[])
 {
     uint64_t sector_no = 0;
@@ -195,5 +207,23 @@ int main(int argc, char* argv[])
         return read(sector_no, argv[3]);
     }
 
+    if(strncmp(argv[1], "verify", strlen("verify")) == 0)
+    {
+        if(argc == 2)
+        {
+            usage_verify();
+            return -1;
+        }
+
+        if(argc > 3)
+        {
+            fprintf(stderr, "Invalid number of arguments\n");
+            usage_verify();
+            return -1;
+        }
+
+        return verify(argv[2]);
+    }
+
     return 0;
 }

tool/verify.c

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the Aaru Data Preservation Suite.
+ * Copyright (c) 2019-2022 Natalia Portillo.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include <errno.h>
+
+#include <aaruformat.h>
+
+int verify(char* path)
+{
+    aaruformatContext* ctx;
+    uint32_t           res;
+
+    ctx = aaruf_open(path);
+
+    if(ctx == NULL)
+    {
+        printf("Error %d when opening AaruFormat image.\n", errno);
+        return errno;
+    }
+
+    res = aaruf_verify_image(ctx);
+
+    if(res == AARUF_STATUS_OK) printf("Image blocks contain no errors.\n");
+    else if(res == AARUF_ERROR_INVALID_BLOCK_CRC)
+        printf("A block contains an invalid CRC value.\n");
+    else
+        printf("Error %d verifying image.\n", res);
+
+    return res;
+}