diff options
Diffstat (limited to 'mbbsd')
| -rw-r--r-- | mbbsd/mbbsd.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mbbsd/mbbsd.c b/mbbsd/mbbsd.c index 6a5337f5..5c661139 100644 --- a/mbbsd/mbbsd.c +++ b/mbbsd/mbbsd.c @@ -1012,9 +1012,13 @@ setup_utmp(int mode) int fd; if ( (fd = toconnect(FROMD_ADDR)) >= 0 ) { write(fd, fromhost, strlen(fromhost)); - // uinfo.from is zerod, so we don't care about read length - read(fd, currutmp->from, sizeof(currutmp->from) - 1); + // zero and reuse uinfo.from to check real data + memset(uinfo.from, 0, sizeof(uinfo.from)); + read(fd, uinfo.from, sizeof(uinfo.from) - 1); // keep trailing zero close(fd); + // copy back to currutmp + if (uinfo.from[0]) + strlcpy(currutmp->from, uinfo.from, sizeof(currutmp->from)); } } # else // !FROMD |