- log_write(0, LOG_MAIN | LOG_PANIC, "unable to open "
- "private key file for reading: %s",
- dkim_private_key_expanded);
- goto bad;
+ int privkey_fd, off = 0, len;
+
+ /* Looks like a filename, load the private key. */
+
+ memset(big_buffer, 0, big_buffer_size);
+
+ if ((privkey_fd = open(CS dkim_private_key_expanded, O_RDONLY)) < 0)
+ {
+ log_write(0, LOG_MAIN | LOG_PANIC, "unable to open "
+ "private key file for reading: %s",
+ dkim_private_key_expanded);
+ goto bad;
+ }
+
+ do
+ {
+ if ((len = read(privkey_fd, big_buffer + off, big_buffer_size - 2 - off)) < 0)
+ {
+ (void) close(privkey_fd);
+ log_write(0, LOG_MAIN|LOG_PANIC, "unable to read private key file: %s",
+ dkim_private_key_expanded);
+ goto bad;
+ }
+ off += len;
+ }
+ while (len > 0);
+
+ (void) close(privkey_fd);
+ big_buffer[off] = '\0';
+ dkim_private_key_expanded = big_buffer;