-static void disable_old_keys(const char *filename) {
- char tmpfile[PATH_MAX] = "";
- char buf[1024];
- bool disabled = false;
- FILE *r, *w;
-
- r = fopen(filename, "r");
- if(!r)
- return;
-
- snprintf(tmpfile, sizeof tmpfile, "%s.tmp", filename);
-
- w = fopen(tmpfile, "w");
-
- while(fgets(buf, sizeof buf, r)) {
- if(!strncmp(buf, "-----BEGIN RSA", 14)) {
- buf[11] = 'O';
- buf[12] = 'L';
- buf[13] = 'D';
- disabled = true;
- }
- else if(!strncmp(buf, "-----END RSA", 12)) {
- buf[ 9] = 'O';
- buf[10] = 'L';
- buf[11] = 'D';
- disabled = true;
- }
- if(w && fputs(buf, w) < 0) {
- disabled = false;
- break;
- }
- }
-
- if(w)
- fclose(w);
- fclose(r);
-
- if(!w && disabled) {
- fprintf(stderr, "Warning: old key(s) found, remove them by hand!\n");
- return;
- }
-
- if(disabled) {
-#ifdef HAVE_MINGW
- // We cannot atomically replace files on Windows.
- char bakfile[PATH_MAX] = "";
- snprintf(bakfile, sizeof bakfile, "%s.bak", filename);
- if(rename(filename, bakfile) || rename(tmpfile, filename)) {
- rename(bakfile, filename);
-#else
- if(rename(tmpfile, filename)) {
-#endif
- fprintf(stderr, "Warning: old key(s) found, remove them by hand!\n");
- } else {
-#ifdef HAVE_MINGW
- unlink(bakfile);
-#endif
- fprintf(stderr, "Warning: old key(s) found and disabled.\n");
- }
- }
+bool append_config_file(const char *name, const char *key, const char *value) {
+ char *fname;
+ xasprintf(&fname, "%s" SLASH "hosts" SLASH "%s", mesh->confbase, name);