static char *program_name;
void logger(int level, int priority, const char *format, ...) {
+ (void)level;
+ (void)priority;
va_list ap;
+
va_start(ap, format);
vfprintf(stderr, format, ap);
va_end(ap);
+
fputc('\n', stderr);
}
static void usage() {
fprintf(stderr, "Usage: %s [options] private_key_file public_key_file\n\n", program_name);
fprintf(stderr, "Valid options are:\n"
- " --help Display this help and exit.\n"
- "\n");
+ " --help Display this help and exit.\n"
+ "\n");
fprintf(stderr, "Report bugs to tinc@tinc-vpn.org.\n");
}
int option_index = 0;
while((r = getopt_long(argc, argv, "", long_options, &option_index)) != EOF) {
- switch (r) {
- case 0: /* long option */
- break;
+ switch(r) {
+ case 0: /* long option */
+ break;
- case '?': /* wrong options */
- usage();
- return 1;
+ case '?': /* wrong options */
+ usage();
+ return 1;
- case 1: /* help */
- usage();
- return 0;
+ case 1: /* help */
+ usage();
+ return 0;
- default:
- break;
+ default:
+ break;
}
}
crypto_init();
ecdsa_t *key = ecdsa_generate();
- if(!key)
+
+ if(!key) {
return 1;
-
+ }
+
FILE *fp = fopen(argv[1], "w");
+
if(fp) {
- ecdsa_write_pem_private_key(key, fp);
+ if(!ecdsa_write_pem_private_key(key, fp)) {
+ fprintf(stderr, "Could not write ECDSA private key\n");
+ return 1;
+ }
+
fclose(fp);
} else {
fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[1], strerror(errno));
}
fp = fopen(argv[2], "w");
+
if(fp) {
- ecdsa_write_pem_public_key(key, fp);
+ if(!ecdsa_write_pem_public_key(key, fp)) {
+ fprintf(stderr, "Could not write ECDSA public key\n");
+ }
+
fclose(fp);
} else {
fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[2], strerror(errno));