diff options
Diffstat (limited to 'inet/rcmd.c')
| -rw-r--r-- | inet/rcmd.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/inet/rcmd.c b/inet/rcmd.c index 08d9337431..eed5ed389e 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; |