static int
parse_modules(struct rtpp_cfg_stable *csp, const ucl_object_t *wop)
{
ucl_object_iter_t it_conf;
const ucl_object_t *obj_file;
const char *cf_key;
const ucl_object_t *obj_key;
int ecode, success;
void *confp;
const conf_helper_map *fent, *map;
struct rtpp_module_conf *mcp;
char mpath[PATH_MAX + 1];
const char *cp, *mp;
struct rtpp_module_if *mif;
it_conf = ucl_object_iterate_new(wop);
if (it_conf == NULL)
return (-1);
ecode = 0;
while ((obj_file = ucl_object_iterate_safe(it_conf, true)) != NULL) {
cf_key = ucl_object_key(obj_file);
RTPP_LOG(csp->glog, RTPP_LOG_DBUG, "\tmodule: %s", cf_key);
obj_key = ucl_object_find_key(obj_file, "load");
if (obj_key == NULL) {
cp = rtpp_module_dsop_canonic(cf_key, mpath, sizeof(mpath));
if (cp == NULL) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "Error: Unable to find load parameter in module: %s", cf_key);
ecode = -1;
goto e0;
}
} else {
if (obj_key->type != UCL_STRING) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "Error: \"load\" parameter in %s has a wrong type, string is expected", cf_key);
ecode = -1;
goto e0;
}
mp = ucl_object_tostring(obj_key);
cp = realpath(mp, mpath);
if (cp == NULL) {
RTPP_ELOG(csp->glog, RTPP_LOG_ERR, "realpath() failed: %s", mp);
ecode = -1;
goto e0;
}
}
mif = rtpp_module_if_ctor(cp);
if (mif == NULL) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "dymanic module constructor has failed: %s", cp);
ecode = -1;
goto e0;
}
if (CALL_METHOD(mif, load, csp, csp->glog) != 0) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "%p->load() method has failed: %s", mif, cp);
goto e1;
}
if (CALL_METHOD(mif, get_mconf, &mcp) < 0) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "%p->get_mconf() method has failed: %s", mif, cp);
goto e1;
}
fent = NULL;
if (mcp != NULL) {
map = mcp->conf_map;
confp = mcp->conf_data;
} else {
map = default_module_map;
confp = NULL;
}
success = conf_helper_mapper(csp->glog, obj_file, map, confp, &fent);
if (!success) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "Config parsing issue in section %s",
cf_key);
if (fent != NULL && fent->conf_key != NULL) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "\tparameter %s", fent->conf_key);
}
goto e1;
}
if (CALL_METHOD(mif, config) < 0) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "%p->config() method has failed: %s", mif, cp);
goto e1;
}
rtpp_list_append(csp->modules_cf, mif);
continue;
e1:
ecode = -1;
CALL_SMETHOD(mif->rcnt, decref);
goto e0;
}
e0:
if (ucl_object_iter_chk_excpn(it_conf)) {
RTPP_LOG(csp->glog, RTPP_LOG_ERR, "UCL has failed with an internal error");
ecode = -1;
}
ucl_object_iterate_free(it_conf);
return (ecode);
}
static void
init_config(struct cfg *cf, int argc, char **argv)
{
int ch, i, umode, stdio_mode;
char *bh[2], *bh6[2], *cp, *tp[2];
const char *errmsg;
struct passwd *pp;
struct group *gp;
double x, y;
struct rtpp_ctrl_sock *ctrl_sock;
bh[0] = bh[1] = bh6[0] = bh6[1] = NULL;
umode = stdio_mode = 0;
cf->stable->pid_file = PID_FILE;
cf->stable->port_min = PORT_MIN;
cf->stable->port_max = PORT_MAX;
cf->stable->port_ctl = 0;
cf->stable->advaddr[0] = NULL;
cf->stable->advaddr[1] = NULL;
cf->stable->max_ttl = SESSION_TIMEOUT;
cf->stable->tos = TOS;
cf->stable->rrtcp = 1;
cf->stable->ttl_mode = TTL_UNIFIED;
cf->stable->log_level = -1;
cf->stable->log_facility = -1;
cf->stable->sched_offset = 0.0;
cf->stable->sched_hz = rtpp_get_sched_hz();
cf->stable->sched_policy = SCHED_OTHER;
cf->stable->target_pfreq = MIN(POLL_RATE, cf->stable->sched_hz);
#if RTPP_DEBUG
printf("target_pfreq = %f\n", cf->stable->target_pfreq);
#endif
cf->stable->slowshutdown = 0;
cf->timeout_handler = rtpp_th_init();
if (cf->timeout_handler == NULL)
err(1, "rtpp_th_init");
pthread_mutex_init(&cf->glock, NULL);
pthread_mutex_init(&cf->sessinfo.lock, NULL);
pthread_mutex_init(&cf->bindaddr_lock, NULL);
cf->stable->nofile_limit = malloc(sizeof(*cf->stable->nofile_limit));
if (cf->stable->nofile_limit == NULL)
err(1, "malloc");
if (getrlimit(RLIMIT_NOFILE, cf->stable->nofile_limit) != 0)
err(1, "getrlimit");
while ((ch = getopt(argc, argv, "vf2Rl:6:s:S:t:r:p:T:L:m:M:u:Fin:Pad:VN:c:A:")) != -1) {
switch (ch) {
case 'c':
if (strcmp(optarg, "fifo") == 0) {
cf->stable->sched_policy = SCHED_FIFO;
break;
}
if (strcmp(optarg, "rr") == 0) {
cf->stable->sched_policy = SCHED_RR;
break;
}
errx(1, "%s: unknown scheduling policy", optarg);
break;
case 'N':
if (strcmp(optarg, "random") == 0) {
x = getdtime() * 1000000.0;
srand48((long)x);
cf->stable->sched_offset = drand48();
} else {
tp[0] = optarg;
tp[1] = strchr(tp[0], '/');
if (tp[1] == NULL) {
errx(1, "%s: -N should be in the format X/Y", optarg);
}
*tp[1] = '\0';
tp[1]++;
x = (double)strtol(tp[0], &tp[0], 10);
y = (double)strtol(tp[1], &tp[1], 10);
cf->stable->sched_offset = x / y;
}
x = (double)cf->stable->sched_hz / cf->stable->target_pfreq;
cf->stable->sched_offset = trunc(x * cf->stable->sched_offset) / x;
cf->stable->sched_offset /= cf->stable->target_pfreq;
warnx("sched_offset = %f", cf->stable->sched_offset);
break;
case 'f':
cf->stable->nodaemon = 1;
break;
case 'l':
bh[0] = optarg;
bh[1] = strchr(bh[0], '/');
if (bh[1] != NULL) {
*bh[1] = '\0';
bh[1]++;
cf->stable->bmode = 1;
}
break;
case '6':
bh6[0] = optarg;
bh6[1] = strchr(bh6[0], '/');
if (bh6[1] != NULL) {
*bh6[1] = '\0';
bh6[1]++;
cf->stable->bmode = 1;
}
break;
case 'A':
if (*optarg == '\0') {
errx(1, "first advertised address is invalid");
}
cf->stable->advaddr[0] = optarg;
cp = strchr(optarg, '/');
if (cp != NULL) {
*cp = '\0';
cp++;
if (*cp == '\0') {
errx(1, "second advertised address is invalid");
}
}
cf->stable->advaddr[1] = cp;
break;
case 's':
ctrl_sock = rtpp_ctrl_sock_parse(optarg);
if (ctrl_sock == NULL) {
errx(1, "can't parse control socket argument");
}
rtpp_list_append(cf->stable->ctrl_socks, ctrl_sock);
if (RTPP_CTRL_ISDG(ctrl_sock)) {
umode = 1;
} else if (ctrl_sock->type == RTPC_STDIO) {
stdio_mode = 1;
}
break;
case 't':
cf->stable->tos = atoi(optarg);
if (cf->stable->tos > 255)
errx(1, "%d: TOS is too large", cf->stable->tos);
break;
case '2':
cf->stable->dmode = 1;
break;
case 'v':
printf("Basic version: %d\n", CPROTOVER);
for (i = 1; proto_caps[i].pc_id != NULL; ++i) {
printf("Extension %s: %s\n", proto_caps[i].pc_id,
proto_caps[i].pc_description);
}
exit(0);
break;
case 'r':
cf->stable->rdir = optarg;
break;
case 'S':
cf->stable->sdir = optarg;
break;
case 'R':
cf->stable->rrtcp = 0;
break;
case 'p':
cf->stable->pid_file = optarg;
break;
case 'T':
cf->stable->max_ttl = atoi(optarg);
break;
case 'L':
cf->stable->nofile_limit->rlim_cur = cf->stable->nofile_limit->rlim_max = atoi(optarg);
if (setrlimit(RLIMIT_NOFILE, cf->stable->nofile_limit) != 0)
err(1, "setrlimit");
if (getrlimit(RLIMIT_NOFILE, cf->stable->nofile_limit) != 0)
err(1, "getrlimit");
if (cf->stable->nofile_limit->rlim_max < atoi(optarg))
warnx("limit allocated by setrlimit (%d) is less than "
"requested (%d)", (int) cf->stable->nofile_limit->rlim_max,
atoi(optarg));
break;
case 'm':
cf->stable->port_min = atoi(optarg);
break;
case 'M':
cf->stable->port_max = atoi(optarg);
break;
case 'u':
cf->stable->run_uname = optarg;
cp = strchr(optarg, ':');
if (cp != NULL) {
if (cp == optarg)
cf->stable->run_uname = NULL;
cp[0] = '\0';
cp++;
}
cf->stable->run_gname = cp;
cf->stable->run_uid = -1;
cf->stable->run_gid = -1;
if (cf->stable->run_uname != NULL) {
pp = getpwnam(cf->stable->run_uname);
if (pp == NULL)
err(1, "can't find ID for the user: %s", cf->stable->run_uname);
cf->stable->run_uid = pp->pw_uid;
if (cf->stable->run_gname == NULL)
cf->stable->run_gid = pp->pw_gid;
}
if (cf->stable->run_gname != NULL) {
gp = getgrnam(cf->stable->run_gname);
if (gp == NULL)
err(1, "can't find ID for the group: %s", cf->stable->run_gname);
cf->stable->run_gid = gp->gr_gid;
}
break;
case 'F':
cf->stable->no_check = 1;
break;
case 'i':
cf->stable->ttl_mode = TTL_INDEPENDENT;
break;
case 'n':
if(strncmp("unix:", optarg, 5) == 0)
optarg += 5;
if(strlen(optarg) == 0)
errx(1, "timeout notification socket name too short");
if (rtpp_th_set_sn(cf->timeout_handler, optarg, NULL) == NULL) {
err(1, "can't allocate memory");
}
break;
case 'P':
cf->stable->record_pcap = 1;
break;
case 'a':
cf->stable->record_all = 1;
break;
case 'd':
cp = strchr(optarg, ':');
if (cp != NULL) {
cf->stable->log_facility = rtpp_log_str2fac(cp + 1);
if (cf->stable->log_facility == -1)
errx(1, "%s: invalid log facility", cp + 1);
*cp = '\0';
}
cf->stable->log_level = rtpp_log_str2lvl(optarg);
if (cf->stable->log_level == -1)
errx(1, "%s: invalid log level", optarg);
break;
case 'V':
printf("%s\n", RTPP_SW_VERSION);
exit(0);
break;
case '?':
default:
usage();
}
}
/* No control socket has been specified, add a default one */
if (RTPP_LIST_IS_EMPTY(cf->stable->ctrl_socks)) {
ctrl_sock = rtpp_ctrl_sock_parse(CMD_SOCK);
if (ctrl_sock == NULL) {
errx(1, "can't parse control socket: \"%s\"", CMD_SOCK);
}
rtpp_list_append(cf->stable->ctrl_socks, ctrl_sock);
}
if (cf->stable->rdir == NULL && cf->stable->sdir != NULL)
errx(1, "-S switch requires -r switch");
if (cf->stable->nodaemon == 0 && stdio_mode != 0)
errx(1, "stdio command mode requires -f switch");
if (cf->stable->no_check == 0 && getuid() == 0 && cf->stable->run_uname == NULL) {
if (umode != 0) {
errx(1, "running this program as superuser in a remote control "
"mode is strongly not recommended, as it poses serious security "
"threat to your system. Use -u option to run as an unprivileged "
"user or -F is you want to run as a superuser anyway.");
} else {
warnx("WARNING!!! Running this program as superuser is strongly "
"not recommended, as it may pose serious security threat to "
"your system. Use -u option to run as an unprivileged user "
"or -F to surpress this warning.");
}
}
/* make sure that port_min and port_max are even */
if ((cf->stable->port_min % 2) != 0)
cf->stable->port_min++;
if ((cf->stable->port_max % 2) != 0) {
cf->stable->port_max--;
} else {
/*
* If port_max is already even then there is no
* "room" for the RTCP port, go back by two ports.
*/
cf->stable->port_max -= 2;
}
if (!IS_VALID_PORT(cf->stable->port_min))
errx(1, "invalid value of the port_min argument, "
"not in the range 1-65535");
if (!IS_VALID_PORT(cf->stable->port_max))
errx(1, "invalid value of the port_max argument, "
"not in the range 1-65535");
if (cf->stable->port_min > cf->stable->port_max)
errx(1, "port_min should be less than port_max");
cf->sessinfo.sessions = malloc((sizeof cf->sessinfo.sessions[0]) *
(((cf->stable->port_max - cf->stable->port_min + 1)) + 1));
cf->rtp_servers = malloc((sizeof cf->rtp_servers[0]) *
(((cf->stable->port_max - cf->stable->port_min + 1) * 2) + 1));
cf->sessinfo.pfds_rtp = malloc((sizeof cf->sessinfo.pfds_rtp[0]) *
(((cf->stable->port_max - cf->stable->port_min + 1)) + 1));
cf->sessinfo.pfds_rtcp = malloc((sizeof cf->sessinfo.pfds_rtcp[0]) *
(((cf->stable->port_max - cf->stable->port_min + 1)) + 1));
if (bh[0] == NULL && bh[1] == NULL && bh6[0] == NULL && bh6[1] == NULL) {
bh[0] = "*";
}
for (i = 0; i < 2; i++) {
if (bh[i] != NULL && *bh[i] == '\0')
bh[i] = NULL;
if (bh6[i] != NULL && *bh6[i] == '\0')
bh6[i] = NULL;
}
i = ((bh[0] == NULL) ? 0 : 1) + ((bh[1] == NULL) ? 0 : 1) +
((bh6[0] == NULL) ? 0 : 1) + ((bh6[1] == NULL) ? 0 : 1);
if (cf->stable->bmode != 0) {
if (bh[0] != NULL && bh6[0] != NULL)
errx(1, "either IPv4 or IPv6 should be configured for external "
"interface in bridging mode, not both");
if (bh[1] != NULL && bh6[1] != NULL)
errx(1, "either IPv4 or IPv6 should be configured for internal "
"interface in bridging mode, not both");
if (cf->stable->advaddr[0] != NULL && cf->stable->advaddr[1] == NULL)
errx(1, "two advertised addresses are required for internal "
"and external interfaces in bridging mode");
if (i != 2)
errx(1, "incomplete configuration of the bridging mode - exactly "
"2 listen addresses required, %d provided", i);
} else if (i != 1) {
errx(1, "exactly 1 listen addresses required, %d provided", i);
}
for (i = 0; i < 2; i++) {
cf->stable->bindaddr[i] = NULL;
if (bh[i] != NULL) {
cf->stable->bindaddr[i] = host2bindaddr(cf, bh[i], AF_INET, &errmsg);
if (cf->stable->bindaddr[i] == NULL)
errx(1, "host2bindaddr: %s", errmsg);
continue;
}
if (bh6[i] != NULL) {
cf->stable->bindaddr[i] = host2bindaddr(cf, bh6[i], AF_INET6, &errmsg);
if (cf->stable->bindaddr[i] == NULL)
errx(1, "host2bindaddr: %s", errmsg);
continue;
}
}
if (cf->stable->bindaddr[0] == NULL) {
cf->stable->bindaddr[0] = cf->stable->bindaddr[1];
cf->stable->bindaddr[1] = NULL;
}
}
