/**
* parseBSR - Parse the candidate BSR configured information.
* @s: String token
*
* Syntax:
* cand_bootstrap_router [address | ifname] [priority <0-255>]
*/
int parseBSR(char *s)
{
char *w;
uint32_t local = INADDR_ANY_N;
uint32_t priority = PIM_DEFAULT_BSR_PRIORITY;
cand_bsr_flag = FALSE;
while (!EQUAL((w = next_word(&s)), "")) {
if (EQUAL(w, "priority")) {
if (EQUAL((w = next_word(&s)), "")) {
WARN("Missing Cand-BSR priority, defaulting to %u", PIM_DEFAULT_BSR_PRIORITY);
priority = PIM_DEFAULT_BSR_PRIORITY;
continue;
}
if (sscanf(w, "%u", &priority) != 1) {
WARN("Invalid Cand-BSR priority %s, defaulting to %u", PIM_DEFAULT_BSR_PRIORITY);
priority = PIM_DEFAULT_BSR_PRIORITY;
continue;
}
if (priority > PIM_MAX_CAND_BSR_PRIORITY) {
WARN("Too high Cand-BSR priority %u, defaulting to %d", priority, PIM_MAX_CAND_BSR_PRIORITY);
priority = PIM_MAX_CAND_BSR_PRIORITY;
}
my_bsr_priority = (u_int8)priority;
continue;
}
/* Cand-BSR interface or address */
local = ifname2addr(w);
if (!local)
local = inet_parse(w, 4);
if (!inet_valid_host(local)) {
local = max_local_address();
WARN("Invalid Cand-BSR address '%s', defaulting to %s", w, inet_fmt(local, s1, sizeof(s1)));
continue;
}
if (local_address(local) == NO_VIF) {
local = max_local_address();
WARN("Cand-BSR address '%s' is not local, defaulting to %s", w, inet_fmt(local, s1, sizeof(s1)));
}
}
if (local == INADDR_ANY_N) {
/* If address not provided, use the max. local */
local = max_local_address();
}
my_bsr_address = local;
my_bsr_priority = priority;
MASKLEN_TO_MASK(RP_DEFAULT_IPV4_HASHMASKLEN, my_bsr_hash_mask);
cand_bsr_flag = TRUE;
logit(LOG_INFO, 0, "Local Cand-BSR address %s, priority %u", inet_fmt(local, s1, sizeof(s1)), priority);
return TRUE;
}
/*
* function name: parseBSR
* input: char *s
* output: int
* operation: parse the candidate BSR configured information.
* General form:
* 'cand_bootstrap_router <local-addr> [priority <number>]'.
*/
int parseBSR(char *s)
{
char *w;
u_int32 local = INADDR_ANY_N;
u_int32 priority = PIM_DEFAULT_BSR_PRIORITY;
cand_bsr_flag = FALSE;
while (!EQUAL((w = next_word(&s)), "")) {
if (EQUAL(w, "priority")) {
if (EQUAL((w = next_word(&s)), "")) {
logit(LOG_WARNING, 0,
"Missing priority; set to default %u (0 is lowest)\n",
PIM_DEFAULT_BSR_PRIORITY);
priority = PIM_DEFAULT_BSR_PRIORITY;
continue;
}
if (sscanf(w, "%u", &priority) != 1) {
logit(LOG_WARNING, 0,
"invalid priority %s; set to default %u (0 is lowest)",
PIM_DEFAULT_BSR_PRIORITY);
priority = PIM_DEFAULT_BSR_PRIORITY;
continue;
}
if (priority > (my_bsr_priority = ~0))
priority = my_bsr_priority;
my_bsr_priority = (u_int8)priority;
continue;
}
/* BSR address */
local = inet_parse(w, 4);
if (!inet_valid_host(local)) {
local = max_local_address();
logit(LOG_WARNING, 0, "Invalid BSR address provided '%s' in %s. Will use the largest enabled local address.",
w, configfilename);
continue;
}
if (local_address(local) == NO_VIF) {
local = max_local_address();
logit(LOG_WARNING, 0,
"Cand-BSR address is not local '%s' in %s. Will use the largest enabled local address.",
w, configfilename);
}
} /* while not empty */
if (local == INADDR_ANY_N)
/* If address not provided, use the max. local */
local = max_local_address();
my_bsr_address = local;
my_bsr_priority = priority;
MASKLEN_TO_MASK(RP_DEFAULT_IPV4_HASHMASKLEN, my_bsr_hash_mask);
cand_bsr_flag = TRUE;
logit(LOG_INFO, 0, "Local Cand-BSR address is %s", inet_fmt(local, s1, sizeof(s1)));
logit(LOG_INFO, 0, "Local Cand-BSR priority is %u", priority);
return TRUE;
}
/**
* parse_candidateRP - Parse candidate Rendez-Vous Point information.
* @s: String token
*
* Syntax:
* cand_rp [address | ifname] [priority <0-255>] [time <10-16383>]
*
* Returns:
* %TRUE if the parsing was successful, o.w. %FALSE
*/
int parse_candidateRP(char *s)
{
u_int time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
u_int priority = PIM_DEFAULT_CAND_RP_PRIORITY;
char *w;
uint32_t local = INADDR_ANY_N;
cand_rp_flag = FALSE;
my_cand_rp_adv_period = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
while (!EQUAL((w = next_word(&s)), "")) {
if (EQUAL(w, "priority")) {
if (EQUAL((w = next_word(&s)), "")) {
WARN("Missing priority, defaulting to %u", w, PIM_DEFAULT_CAND_RP_PRIORITY);
priority = PIM_DEFAULT_CAND_RP_PRIORITY;
continue;
}
if (sscanf(w, "%u", &priority) != 1) {
WARN("Invalid priority %s, defaulting to %u", w, PIM_DEFAULT_CAND_RP_PRIORITY);
priority = PIM_DEFAULT_CAND_RP_PRIORITY;
}
if (priority > PIM_MAX_CAND_RP_PRIORITY) {
WARN("Too high Cand-RP priority %u, defaulting to %d", priority, PIM_MAX_CAND_RP_PRIORITY);
priority = PIM_MAX_CAND_RP_PRIORITY;
}
continue;
}
if (EQUAL(w, "time")) {
if (EQUAL((w = next_word(&s)), "")) {
WARN("Missing Cand-RP announce interval, defaulting to %u", PIM_DEFAULT_CAND_RP_ADV_PERIOD);
time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
continue;
}
if (sscanf(w, "%u", &time) != 1) {
WARN("Invalid Cand-RP announce interval, defaulting to %u", PIM_DEFAULT_CAND_RP_ADV_PERIOD);
time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
continue;
}
if (time < PIM_MIN_CAND_RP_ADV_PERIOD)
time = PIM_MIN_CAND_RP_ADV_PERIOD;
if (time > PIM_MAX_CAND_RP_ADV_PERIOD)
time = PIM_MAX_CAND_RP_ADV_PERIOD;
my_cand_rp_adv_period = time;
continue;
}
/* Cand-RP interface or address */
local = ifname2addr(w);
if (!local)
local = inet_parse(w, 4);
if (!inet_valid_host(local)) {
local = max_local_address();
WARN("Invalid Cand-RP address '%s', defaulting to %s", w, inet_fmt(local, s1, sizeof(s1)));
} else if (local_address(local) == NO_VIF) {
local = max_local_address();
WARN("Cand-RP address '%s' is not local, defaulting to %s", w, inet_fmt(local, s1, sizeof(s1)));
}
}
if (local == INADDR_ANY_N) {
/* If address not provided, use the max. local */
local = max_local_address();
}
my_cand_rp_address = local;
my_cand_rp_priority = priority;
my_cand_rp_adv_period = time;
cand_rp_flag = TRUE;
logit(LOG_INFO, 0, "Local Cand-RP address %s, priority %u, interval %u sec",
inet_fmt(local, s1, sizeof(s1)), priority, time);
return TRUE;
}
/*
* function name: parse_candidateRP
* input: char *s
* output: int (TRUE if the parsing was successful, o.w. FALSE)
* operation: parses the candidate RP information.
* The general form is:
* 'cand_rp <local-addr> [priority <number>] [time <number>]'.
*/
int parse_candidateRP(char *s)
{
u_int time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
u_int priority = PIM_DEFAULT_CAND_RP_PRIORITY;
char *w;
u_int32 local = INADDR_ANY_N;
cand_rp_flag = FALSE;
my_cand_rp_adv_period = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
while (!EQUAL((w = next_word(&s)), "")) {
if (EQUAL(w, "priority")) {
if (EQUAL((w = next_word(&s)), "")) {
logit(LOG_WARNING, 0,
"Missing priority; set to default %u (0 is highest)",
PIM_DEFAULT_CAND_RP_PRIORITY);
priority = PIM_DEFAULT_CAND_RP_PRIORITY;
continue;
}
if (sscanf(w, "%u", &priority) != 1) {
logit(LOG_WARNING, 0,
"invalid priority %s; set to default %u (0 is highest)",
PIM_DEFAULT_CAND_RP_PRIORITY);
priority = PIM_DEFAULT_CAND_RP_PRIORITY;
}
continue;
}
if (EQUAL(w, "time")) {
if (EQUAL((w = next_word(&s)), "")) {
logit(LOG_WARNING, 0,
"Missing cand_rp_adv_period value; set to default %u",
PIM_DEFAULT_CAND_RP_ADV_PERIOD);
time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
continue;
}
if (sscanf(w, "%u", &time) != 1) {
logit(LOG_WARNING, 0,
"Invalid cand_rp_adv_period value; set to default %u",
PIM_DEFAULT_CAND_RP_ADV_PERIOD);
time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
continue;
}
if (time > (my_cand_rp_adv_period = ~0))
time = my_cand_rp_adv_period;
/* TODO: XXX: cannot be shorter than 10 seconds (not in the spec)*/
if (time < 10)
time = 10;
#if 0
if (time > PIM_DEFAULT_CAND_RP_ADV_PERIOD)
time = PIM_DEFAULT_CAND_RP_ADV_PERIOD;
#endif /* 0 */
my_cand_rp_adv_period = time;
continue;
}
/* Cand-RP address */
local = inet_parse(w, 4);
if (!inet_valid_host(local)) {
local = max_local_address();
logit(LOG_WARNING, 0,
"Invalid Cand-RP address provided '%s' in %s. Will use the largest enabled local address.",
w, configfilename);
} else if (local_address(local) == NO_VIF) {
local = max_local_address();
logit(LOG_WARNING, 0, "Cand-RP address is not local '%s' in %s. Will use the largest enabled local address.",
w, configfilename);
}
} /* while not empty */
if (local == INADDR_ANY_N) {
/* If address not provided, use the max. local */
local = max_local_address();
}
my_cand_rp_address = local;
my_cand_rp_priority = priority;
my_cand_rp_adv_period = time;
cand_rp_flag = TRUE;
logit(LOG_INFO, 0, "Local Cand-RP address is %s", inet_fmt(local, s1, sizeof(s1)));
logit(LOG_INFO, 0, "Local Cand-RP priority is %u", priority);
logit(LOG_INFO, 0, "Local Cand-RP advertisement period is %u sec.", time);
return TRUE;
}
