added -e (extract) -o (output) flags now the output supports recursive output path creation

pacextractor.c

@@ -8,7 +8,7 @@
 #include <stdint.h>
 #include <sys/stat.h>
 
-#define VERSION "1.0.0"
+#define VERSION "1.1.0"
 
 typedef struct {
     int16_t someField[24];
@@ -51,7 +51,7 @@ static void getString(const int16_t* baseString, char* resString) {
 }
 
 static void printUsage(void) {
-    printf("Usage: pacextractor <firmware name>.pac <output path>\n");
+    printf("Usage: pacextractor -e <firmware name>.pac -o <output path>\n");
     printf("Options:\n");
     printf("  -h               Show this help message and exit\n");
     printf("  -v               Show version information and exit\n");
@@ -76,12 +76,25 @@ static int openFirmwareFile(const char* filePath) {
 }
 
 static void createOutputDirectory(const char* path) {
-    if (access(path, F_OK) == -1) {
-        if (mkdir(path, 0777) == -1) {
+    char temp[768];
+    strcpy(temp, path);
+    for (char *p = temp; *p; p++) {
+        if (*p == '/') {
+            *p = 0;  // Temporarily terminate the string
+            if (access(temp, F_OK) == -1) {
+                if (mkdir(temp, 0777) == -1) {
+                    perror("Failed to create output directory");
+                    exit(EXIT_FAILURE);
+                }
+            }
+            *p = '/';  // Restore the string
+        }
+    }
+    if (access(temp, F_OK) == -1) {
+        if (mkdir(temp, 0777) == -1) {
             perror("Failed to create output directory");
             exit(EXIT_FAILURE);
         }
-        printf("Created output directory: %s\n", path);
     }
 }
 
@@ -198,7 +211,7 @@ static void extractPartition(int fd, const PartitionHeader* partHeader, const ch
 }
 
 int main(int argc, char** argv) {
-    if (argc < 2) {
+    if (argc < 5) {
         printUsageAndExit();
     }
 
@@ -208,13 +221,9 @@ int main(int argc, char** argv) {
     } else if (strcmp(argv[1], "-v") == 0) {
         printf("pacextractor version %s\n", VERSION);
         exit(EXIT_SUCCESS);
-    }
-
-    if (argc < 3) {
-        printUsageAndExit();
-    }
-
-    int fd = openFirmwareFile(argv[1]);
+    } else if (strcmp(argv[1], "-e") == 0 && strcmp(argv[3], "-o") == 0) {
+        // Process the extraction
+        int fd = openFirmwareFile(argv[2]);
         
         struct stat st;
         if (fstat(fd, &st) == -1) {
@@ -223,12 +232,12 @@ int main(int argc, char** argv) {
         }
         int firmwareSize = st.st_size;
         if (firmwareSize < sizeof(PacHeader)) {
-        fprintf(stderr, "file %s is not a valid firmware\n", argv[1]);
+            fprintf(stderr, "File %s is not a valid firmware\n", argv[2]);
             close(fd);
             exit(EXIT_FAILURE);
         }
 
-    char* outputPath = argv[2];
+        char* outputPath = argv[4];
         createOutputDirectory(outputPath);
 
         PacHeader pacHeader = readPacHeader(fd);
@@ -263,5 +272,10 @@ int main(int argc, char** argv) {
         free(partHeaders);
         close(fd);
         
+        return EXIT_SUCCESS;
+    } else {
+        printUsageAndExit();
+    }
+
     return EXIT_SUCCESS;
 }