diff options
Diffstat (limited to 'src/or/router.c')
| -rw-r--r-- | src/or/router.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/or/router.c b/src/or/router.c index 350c9bd69..bc9485b18 100644 --- a/src/or/router.c +++ b/src/or/router.c @@ -231,6 +231,7 @@ init_keys(void) const char *mydesc, *datadir; crypto_pk_env_t *prkey; char digest[20]; + char *cp; or_options_t *options = get_options(); or_state_t *state = get_or_state(); @@ -335,10 +336,17 @@ init_keys(void) log_err(LD_GENERAL,"Error writing fingerprint line"); return -1; } - if (write_str_to_file(keydir, fingerprint_line, 0)) { - log_err(LD_FS, "Error writing fingerprint line to file"); - return -1; + /* Check whether we need to write the fingerprint file. */ + cp = NULL; + if (file_status(keydir) == FN_FILE) + cp = read_str_to_file(keydir, 0, NULL); + if (!cp && strcmp(cp, fingerprint_line)) { + if (write_str_to_file(keydir, fingerprint_line, 0)) { + log_err(LD_FS, "Error writing fingerprint line to file"); + return -1; + } } + tor_free(cp); log(LOG_NOTICE, LD_GENERAL, "Your Tor server's identity key fingerprint is '%s %s'", |