Version v0.2.43 - restored smart decrypt functionality with enhanced interactive input and cleaned up old code

otp.c

@@ -101,7 +101,6 @@ int handle_encrypt_menu(void);
 int handle_decrypt_menu(void);
 int handle_text_encrypt(void);
 int handle_file_encrypt(void);
-int handle_smart_decrypt(void);
 
 // Enhanced input functions
 int get_filename_with_default(const char* prompt, const char* default_path, char* result, size_t result_size);
@@ -498,46 +497,30 @@ int handle_encrypt_menu(void) {
 }
 
 int handle_decrypt_menu(void) {
-    printf("\n=== Decrypt Data ===\n");
+    printf("\n=== Smart Decrypt ===\n");
+    printf("Enter encrypted data (paste ASCII armor), file path, or press Enter to browse files:\n");
     
-    // Ask user to choose between text/message and file decryption
-    printf("\nSelect decryption type:\n");
-    printf(" 1. Text message (ASCII armored)\n");
-    printf(" 2. File (.otp or .otp.asc)\n");
-    printf("Enter choice (1-2): ");
-    
-    char choice_input[10];
-    if (!fgets(choice_input, sizeof(choice_input), stdin)) {
+    char input_line[MAX_LINE_LENGTH];
+    if (!fgets(input_line, sizeof(input_line), stdin)) {
         printf("Error: Failed to read input\n");
         return 1;
     }
     
-    int choice = atoi(choice_input);
+    // Remove newline
+    input_line[strcspn(input_line, "\n")] = 0;
     
-    if (choice == 1) {
-        // Text/message decryption - interactive input
-        return decrypt_text(NULL, NULL);  // No pad selection needed - chksum comes from message
-    }
-    else if (choice == 2) {
-        // File decryption
-        printf("\nEnter encrypted file path (.otp or .otp.asc): ");
-        char input_file[512];
-        if (!fgets(input_file, sizeof(input_file), stdin)) {
-            printf("Error: Failed to read input\n");
-            return 1;
-        }
-        input_file[strcspn(input_file, "\n")] = 0;
-        
-        // Check if file exists
-        if (access(input_file, R_OK) != 0) {
-            printf("Error: File '%s' not found or cannot be read\n", input_file);
+    if (strlen(input_line) == 0) {
+        // Empty input - launch file manager to browse for files
+        char selected_file[512];
+        if (launch_file_manager(get_files_directory(), selected_file, sizeof(selected_file)) != 0) {
+            printf("Error: Could not launch file manager\n");
             return 1;
         }
         
         // Generate smart default output filename with files directory and use enhanced input function
         char temp_default[512];
         char default_output[512];
-        strncpy(temp_default, input_file, sizeof(temp_default) - 1);
+        strncpy(temp_default, selected_file, sizeof(temp_default) - 1);
         temp_default[sizeof(temp_default) - 1] = '\0';
         
         // Remove common encrypted extensions to get a better default
@@ -563,14 +546,64 @@ int handle_decrypt_menu(void) {
             return 1;
         }
         
-        const char* output_filename = output_file;
+        return decrypt_file(selected_file, output_file);
+    }
+    else if (strncmp(input_line, "-----BEGIN OTP MESSAGE-----", 27) == 0) {
+        // Looks like ASCII armor - collect the full message
+        char full_message[MAX_INPUT_SIZE * 4] = {0};
+        strcat(full_message, input_line);
+        strcat(full_message, "\n");
         
-        return decrypt_file(input_file, output_filename);
+        printf("Continue pasting the message (end with -----END OTP MESSAGE-----):\n");
+        
+        char line[MAX_LINE_LENGTH];
+        while (fgets(line, sizeof(line), stdin)) {
+            strncat(full_message, line, sizeof(full_message) - strlen(full_message) - 1);
+            if (strstr(line, "-----END OTP MESSAGE-----")) {
+                break;
+            }
+        }
+        
+        return decrypt_text(NULL, full_message);
     }
     else {
-        printf("Invalid choice. Please enter 1 or 2.\n");
+        // Check if it looks like a file path
+        if (access(input_line, R_OK) == 0) {
+            // It's a valid file - decrypt it with enhanced input for output filename
+            char temp_default[512];
+            char default_output[512];
+            strncpy(temp_default, input_line, sizeof(temp_default) - 1);
+            temp_default[sizeof(temp_default) - 1] = '\0';
+            
+            // Remove common encrypted extensions to get a better default
+            if (strstr(temp_default, ".otp.asc")) {
+                // Replace .otp.asc with original extension or no extension
+                char* ext_pos = strstr(temp_default, ".otp.asc");
+                *ext_pos = '\0';
+            } else if (strstr(temp_default, ".otp")) {
+                // Replace .otp with original extension or no extension  
+                char* ext_pos = strstr(temp_default, ".otp");
+                *ext_pos = '\0';
+            } else {
+                // No recognized encrypted extension, add .decrypted suffix
+                strncat(temp_default, ".decrypted", sizeof(temp_default) - strlen(temp_default) - 1);
+            }
+            
+            // Apply files directory default path
+            get_default_file_path(temp_default, default_output, sizeof(default_output));
+            
+            char output_file[512];
+            if (get_filename_with_default("Output filename:", default_output, output_file, sizeof(output_file)) != 0) {
+                printf("Error: Failed to read input\n");
                 return 1;
             }
+            
+            return decrypt_file(input_line, output_file);
+        } else {
+            printf("Input not recognized as ASCII armor or valid file path.\n");
+            return 1;
+        }
+    }
 }
 
 uint64_t parse_size_string(const char* size_str) {
@@ -2843,56 +2876,6 @@ int handle_file_encrypt(void) {
     return encrypt_file(pad_input, input_file, output_filename, ascii_armor);
 }
 
-int handle_smart_decrypt(void) {
-    printf("\n=== Smart Decrypt ===\n");
-    printf("Enter encrypted data (paste ASCII armor) or press Enter to browse files:\n");
-    
-    char input_line[MAX_LINE_LENGTH];
-    if (!fgets(input_line, sizeof(input_line), stdin)) {
-        printf("Error: Failed to read input\n");
-        return 1;
-    }
-    
-    // Remove newline
-    input_line[strcspn(input_line, "\n")] = 0;
-    
-    if (strlen(input_line) == 0) {
-        // Empty input - launch file manager
-        char selected_file[512];
-        if (launch_file_manager(".", selected_file, sizeof(selected_file)) != 0) {
-            printf("Error: Could not launch file manager\n");
-            return 1;
-        }
-        
-        // Decrypt selected file
-        return decrypt_file(selected_file, NULL);
-    } else if (strncmp(input_line, "-----BEGIN OTP MESSAGE-----", 27) == 0) {
-        // Looks like ASCII armor - collect the full message
-        char full_message[MAX_INPUT_SIZE * 4] = {0};
-        strcat(full_message, input_line);
-        strcat(full_message, "\n");
-        
-        printf("Continue pasting the message (end with -----END OTP MESSAGE-----):\n");
-        
-        char line[MAX_LINE_LENGTH];
-        while (fgets(line, sizeof(line), stdin)) {
-            strncat(full_message, line, sizeof(full_message) - strlen(full_message) - 1);
-            if (strstr(line, "-----END OTP MESSAGE-----")) {
-                break;
-            }
-        }
-        
-        return decrypt_text(NULL, full_message);
-    } else {
-        // Check if it looks like a file path
-        if (access(input_line, R_OK) == 0) {
-            return decrypt_file(input_line, NULL);
-        } else {
-            printf("Input not recognized as ASCII armor or valid file path.\n");
-            return 1;
-        }
-    }
-}
 
 void print_usage(const char* program_name) {
     printf("OTP Cipher - One Time Pad Implementation %s\n", get_version());