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Diffstat (limited to 'inet/rcmd.c')
-rw-r--r--inet/rcmd.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/inet/rcmd.c b/inet/rcmd.c
index 08d9337..eed5ed3 100644
--- a/inet/rcmd.c
+++ b/inet/rcmd.c
@@ -101,7 +101,7 @@ int iruserok (u_int32_t raddr, int superuser, const char *ruser,
libc_hidden_proto (iruserok_af)
-static char ahostbuf[NI_MAXHOST];
+libc_freeres_ptr(static char *ahostbuf);
int
rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
@@ -153,11 +153,21 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
pfd[1].events = POLLIN;
if (res->ai_canonname){
- strncpy(ahostbuf, res->ai_canonname, sizeof(ahostbuf));
- ahostbuf[sizeof(ahostbuf)-1] = '\0';
+ free (ahostbuf);
+ ahostbuf = strdup (res->ai_canonname);
+ if (ahostbuf == NULL) {
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf(stderr, L"%s",
+ _("rcmd: Cannot allocate memory\n"));
+ else
+#endif
+ fputs(_("rcmd: Cannot allocate memory\n"),
+ stderr);
+ return (-1);
+ }
*ahost = ahostbuf;
- }
- else
+ } else
*ahost = NULL;
ai = res;
refused = 0;