Try harder to connect to unreachable nodes.

[tinc] / src / sptps_keypair.c

diff --git a/src/sptps_keypair.c b/src/sptps_keypair.c
index 63f396a..51a94ee 100644 (file)
--- a/src/sptps_keypair.c
+++ b/src/sptps_keypair.c
@@ -27,11 +27,23 @@
 
 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");
 }
 
@@ -46,20 +58,20 @@ int main(int argc, char *argv[]) {
        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;
                }
        }
 
@@ -75,24 +87,35 @@ int main(int argc, char *argv[]) {
        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", strerror(errno));
+               fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[1], strerror(errno));
                return 1;
        }
 
        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", strerror(errno));
+               fprintf(stderr, "Could not open '%s' for writing: %s\n", argv[2], strerror(errno));
                return 1;
        }