diff options
Diffstat (limited to 'lib/libc/net/rcmd.c')
| -rw-r--r-- | lib/libc/net/rcmd.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libc/net/rcmd.c b/lib/libc/net/rcmd.c index 70a18d4..6f076ed 100644 --- a/lib/libc/net/rcmd.c +++ b/lib/libc/net/rcmd.c @@ -100,7 +100,7 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) int s, aport, lport, timo, error; char c; int refused; - char num[8]; + char num[8], *ohost; pid = getpid(); @@ -119,8 +119,8 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) strerror(errno)); return (-1); } - if (res->ai_canonname) - *ahost = res->ai_canonname; + ohost = *ahost; + *ahost = strdup(res->ai_canonname ? res->ai_canonname : *ahost); ai = res; refused = 0; oldmask = sigblock(sigmask(SIGURG)); @@ -139,6 +139,8 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) strerror(errno)); freeaddrinfo(res); sigsetmask(oldmask); + free(*ahost); + *ahost = ohost; return (-1); } _fcntl(s, F_SETOWN, pid); @@ -185,6 +187,8 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) (void)fprintf(stderr, "%s: %s\n", *ahost, strerror(errno)); freeaddrinfo(res); sigsetmask(oldmask); + free(*ahost); + *ahost = ohost; return (-1); } lport--; @@ -292,6 +296,8 @@ bad: (void)_close(s); sigsetmask(oldmask); freeaddrinfo(res); + free(*ahost); + *ahost = ohost; return (-1); } |
