initial commit

pkgs/synapse_change_display_name/default.nix

@@ -0,0 +1,26 @@
+{ stdenv, gcc, ... }:
+
+let
+  pname = "synapse_change_display_name";
+  version = "1.0.0";
+in
+stdenv.mkDerivation {
+  inherit pname version;
+
+  src = ./.;
+
+  buildInputs = [ gcc ];
+
+  buildPhase = ''
+    gcc -o ${pname} ${pname}.c
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${pname} $out/bin/
+  '';
+
+  meta = {
+    description = "A program for updating MatrixS-Synapse display names";
+  };
+}

pkgs/synapse_change_display_name/synapse_change_display_name.c

@@ -0,0 +1,105 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// Function to print the help page
+void print_help() {
+  printf("Usage:\n");
+  printf("  update_display_name [-t ACCESS_TOKEN] [-r REMOTE] [-u USER] [-d "
+         "DISPLAY_NAME] [-h]\n\n");
+  printf("Options:\n");
+  printf("  -h                Show this help message and exit.\n");
+  printf("  -t ACCESS_TOKEN   Your access token for authentication.\n");
+  printf("  -r REMOTE         The remote server address.\n");
+  printf("  -u USER           The user identifier to update.\n");
+  printf("  -d DISPLAY_NAME   The new display name to set.\n\n");
+  printf("Example:\n");
+  printf("  update_display_name -t my_access_token -r my_remote_server -u "
+         "user123 -d \"My New Display Name\"\n");
+}
+
+int main(int argc, char *argv[]) {
+  char *access_token = NULL;
+  char *remote = NULL;
+  char *user = NULL;
+  char *display_name = NULL;
+
+  for (int i = 1; i < argc; i++) {
+    if (argv[i][0] == '-' &&
+        strlen(argv[i]) == 2) { // Ensure it is a single-character flag
+      switch (argv[i][1]) {
+      case 'h':
+        print_help();
+        return 0;
+      case 't':
+        if (i + 1 < argc) {
+          access_token = argv[++i];
+        } else {
+          printf("Error: Missing value for -t (ACCESS_TOKEN).\n\n");
+          print_help();
+          return 1;
+        }
+        break;
+      case 'r':
+        if (i + 1 < argc) {
+          remote = argv[++i];
+        } else {
+          printf("Error: Missing value for -r (REMOTE).\n\n");
+          print_help();
+          return 1;
+        }
+        break;
+      case 'u':
+        if (i + 1 < argc) {
+          user = argv[++i];
+        } else {
+          printf("Error: Missing value for -u (USER).\n\n");
+          print_help();
+          return 1;
+        }
+        break;
+      case 'd':
+        if (i + 1 < argc) {
+          display_name = argv[++i];
+        } else {
+          printf("Error: Missing value for -d (DISPLAY_NAME).\n\n");
+          print_help();
+          return 1;
+        }
+        break;
+      default:
+        printf("Error: Unknown option -%c.\n\n", argv[i][1]);
+        print_help();
+        return 1;
+      }
+    } else {
+      printf("Error: Invalid argument format: %s\n\n", argv[i]);
+      print_help();
+      return 1;
+    }
+  }
+
+  if (!access_token || !remote || !user || !display_name) {
+    printf("Error: Missing required arguments.\n\n");
+    print_help();
+    return 1;
+  }
+
+  char command[1024];
+  snprintf(command, sizeof(command),
+           "curl --header \"Authorization: Bearer %s\" "
+           "--location --request PUT "
+           "'https://%s/_matrix/client/v3/profile/%s/displayname' "
+           "--data '{ \"displayname\": \"%s\" }'",
+           access_token, remote, user, display_name);
+
+  int result = system(command);
+
+  if (result != 0) {
+    printf("\nError: Failed to execute the curl command.\n");
+    return 1;
+  }
+
+  printf("\nDisplay name updated successfully.\n");
+  return 0;
+}