static int
printaddr(struct sockaddr_storage *ss)
{
struct sockaddr_un *sun;
char addrstr[NI_MAXHOST] = { '\0', '\0' };
int error, off, port = 0;
switch (ss->ss_family) {
case AF_INET:
if (inet_lnaof(sstosin(ss)->sin_addr) == INADDR_ANY)
addrstr[0] = '*';
port = ntohs(sstosin(ss)->sin_port);
break;
case AF_INET6:
if (IN6_IS_ADDR_UNSPECIFIED(&sstosin6(ss)->sin6_addr))
addrstr[0] = '*';
port = ntohs(sstosin6(ss)->sin6_port);
break;
case AF_UNIX:
sun = sstosun(ss);
off = (int)((char *)&sun->sun_path - (char *)sun);
return (xprintf("%.*s", sun->sun_len - off, sun->sun_path));
}
if (addrstr[0] == '\0') {
error = getnameinfo(sstosa(ss), ss->ss_len, addrstr,
sizeof(addrstr), NULL, 0, NI_NUMERICHOST);
if (error)
errx(1, "getnameinfo()");
}
if (port == 0)
return xprintf("%s:*", addrstr);
else
return xprintf("%s:%d", addrstr, port);
}
static int
controlfd_init_ifsun(struct cfg *cf, struct rtpp_ctrl_sock *csp)
{
int controlfd;
struct sockaddr_un *ifsun;
unlink(csp->cmd_sock);
ifsun = sstosun(&csp->bindaddr);
memset(ifsun, '\0', sizeof(struct sockaddr_un));
#if defined(HAVE_SOCKADDR_SUN_LEN)
ifsun->sun_len = strlen(csp->cmd_sock);
#endif
ifsun->sun_family = AF_LOCAL;
strcpy(ifsun->sun_path, csp->cmd_sock);
controlfd = socket(AF_LOCAL, SOCK_STREAM, 0);
if (controlfd == -1)
err(1, "can't create socket");
setsockopt(controlfd, SOL_SOCKET, SO_REUSEADDR, &controlfd,
sizeof controlfd);
if (bind(controlfd, sstosa(ifsun), sizeof(struct sockaddr_un)) < 0)
err(1, "can't bind to a socket: %s", csp->cmd_sock);
if ((cf->stable->run_uname != NULL || cf->stable->run_gname != NULL) &&
chown(csp->cmd_sock, cf->stable->run_uid, cf->stable->run_gid) == -1)
err(1, "can't set owner of the socket: %s", csp->cmd_sock);
if ((cf->stable->run_gname != NULL) && cf->stable->sock_mode != 0 &&
(chmod(csp->cmd_sock, cf->stable->sock_mode) == -1))
err(1, "can't allow rw acces to group");
if (listen(controlfd, 32) != 0)
err(1, "can't listen on a socket: %s", csp->cmd_sock);
return (controlfd);
}
/* Returns 0 for a specific target, 1 for wildcard, -1 for an error */
static int
parse_timeout_sock(const char *sock_name, union rtpp_tnotify_entry *rtep,
const char **e)
{
char host[512], port[10];
char *new_sn, **snp;
int n, rval;
const char *sprefix, *usock_name;
struct sockaddr_un *ifsun;
struct sockaddr *ifsa;
snp = &rtep->rtt.socket_name;
rval = 0;
sprefix = NULL;
if (strncmp("unix:", sock_name, 5) == 0) {
usock_name = sock_name + 5;
rtep->rtt.socket_type = AF_LOCAL;
} else if (strncmp("tcp:", sock_name, 4) == 0) {
if (parse_hostport(sock_name + 4, host, sizeof(host), port, sizeof(port), 0, e) != 0) {
return (-1);
}
rtep->rtt.socket_type = AF_INET;
} else {
sprefix = "unix:";
usock_name = sock_name;
rtep->rtt.socket_type = AF_LOCAL;
}
if (rtep->rtt.socket_type == AF_UNIX) {
if (strlen(usock_name) == 0) {
*e = "Timeout notification socket name too short";
return (-1);
}
ifsun = sstosun(&rtep->rtt.remote);
ifsun->sun_family = AF_LOCAL;
strncpy(ifsun->sun_path, usock_name, sizeof(ifsun->sun_path) - 1);
#if defined(HAVE_SOCKADDR_SUN_LEN)
ifsun->sun_len = strlen(ifsun->sun_path);
#endif
rtep->rtt.remote_len = sizeof(struct sockaddr_un);
} else if (rtep->rtt.socket_type == AF_INET && strcmp(host, CC_SELF_STR) == 0) {
rtep->rtw.socket_type = AF_INET;
rtep->rtw.port = atoi(port);
snp = &rtep->rtt.socket_name;
rval = 1;
} else {
ifsa = sstosa(&rtep->rtt.remote);
n = resolve(ifsa, AF_INET, host, port, AI_PASSIVE);
if (n != 0) {
*e = gai_strerror(n);
return (-1);
}
rtep->rtt.remote_len = SA_LEN(ifsa);
}
if (sprefix == NULL) {
new_sn = strdup(sock_name);
} else {
asprintf(&new_sn, "%s%s", sprefix, usock_name);
}
if (new_sn == NULL) {
*e = strerror(errno);
return (-1);
}
*snp = new_sn;
return (rval);
}
