diff options
Diffstat (limited to 'src/appl/bsd/kcmd.c')
-rw-r--r-- | src/appl/bsd/kcmd.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/src/appl/bsd/kcmd.c b/src/appl/bsd/kcmd.c index ba3bb9f155..f69cf07521 100644 --- a/src/appl/bsd/kcmd.c +++ b/src/appl/bsd/kcmd.c @@ -205,7 +205,7 @@ kcmd_connect (int *sp, int *addrfamilyp, struct sockaddr_in *sockinp, memset(&aihints, 0, sizeof(aihints)); aihints.ai_socktype = SOCK_STREAM; aihints.ai_flags = AI_CANONNAME; - aihints.ai_family = AF_INET; + aihints.ai_family = *addrfamilyp; aierr = getaddrinfo(hname, rport_buf, &aihints, &ap); if (aierr) { const char *msg; @@ -238,22 +238,24 @@ kcmd_connect (int *sp, int *addrfamilyp, struct sockaddr_in *sockinp, for (ap2 = ap; ap; ap = ap->ai_next) { char hostbuf[NI_MAXHOST]; int oerrno; - - s = getport(lportp, addrfamilyp); - if (s < 0) { - if (errno == EAGAIN) - fprintf(stderr, "socket: All ports in use\n"); - else - perror("kcmd: socket"); - return -1; - } - if (connect(s, ap->ai_addr, ap->ai_addrlen) >= 0) - break; - (void) close(s); - if (errno == EADDRINUSE) { + int af = ap->ai_family; + + for (;;) { + s = getport(lportp, &af); + if (s < 0) { + if (errno == EAGAIN) + fprintf(stderr, "socket: All ports in use\n"); + else + perror("kcmd: socket"); + return -1; + } + if (connect(s, ap->ai_addr, ap->ai_addrlen) >= 0) + goto connected; + (void) close(s); + if (errno != EADDRINUSE) + break; if (lportp) (*lportp)--; - continue; } aierr = getnameinfo(ap->ai_addr, ap->ai_addrlen, @@ -269,9 +271,9 @@ kcmd_connect (int *sp, int *addrfamilyp, struct sockaddr_in *sockinp, if (ap->ai_next) fprintf(stderr, "Trying next address...\n"); } - if (ap == 0) - return -1; + return -1; +connected: sin_len = sizeof(struct sockaddr_in); if (getsockname(s, (struct sockaddr *)laddrp, &sin_len) < 0) { perror("getsockname"); @@ -297,6 +299,7 @@ setup_secondary_channel (int s, int *fd2p, int *lportp, int *addrfamilyp, size_t slen; int s2 = getport(lportp, addrfamilyp), s3; + *fd2p = -1; if (s2 < 0) return -1; listen(s2, 1); @@ -413,8 +416,6 @@ kcmd(sock, ahost, rport, locuser, remuser, cmd, fd2p, service, realm, return(-1); } } - if (fd2p) - *fd2p = -1; status = setup_secondary_channel(s, fd2p, &lport, &addrfamily, &from, anyport); if (status) @@ -624,8 +625,6 @@ k4cmd(sock, ahost, rport, locuser, remuser, cmd, fd2p, ticket, service, realm, realm = krb_realmofhost(host_save); } lport--; - if (fd2p) - *fd2p = -1; status = setup_secondary_channel(s, fd2p, &lport, &addrfamily, &from, anyport); if (status) |