/*
* Split up the line into <variable> <value> pairs
*/
static void
parse_default(config_type_t type, struct configinfo *list,
char *argvec[], int argcount, struct confvar *defaults)
{
if (debug & D_CONFIG)
logmsg(LOG_DEBUG, "parse_default: argc %d\n", argcount);
while (argcount >= 2) {
parse_var_value(type, list, argvec[0], argvec[1], defaults);
argcount -= 2;
argvec += 2;
}
if (argcount != 0)
conferr("Trailing text <%s> ignored\n", argvec[0]);
}
/*
* Returns true if ok; otherwise false.
*/
static void
parse_if(struct configinfo *list, char *argvec[], int argcount)
{
char *ifname;
struct phyint *pi;
char save[sizeof (pi->pi_config)];
if (debug & D_CONFIG)
logmsg(LOG_DEBUG, "parse_if: argc %d\n", argcount);
if (argcount < 1) {
conferr("Missing interface name\n");
return;
}
ifname = argvec[0];
argvec++;
argcount--;
pi = phyint_lookup(ifname);
if (pi == NULL) {
/*
* Create the physical interface structure.
* Note, phyint_create() sets the interface
* defaults in pi_config.
*/
pi = phyint_create(ifname);
if (pi == NULL) {
conferr("Unable to use interface %s\n", ifname);
return;
}
}
(void) memcpy(save, pi->pi_config, sizeof (save));
while (argcount >= 2) {
parse_var_value(CONFIG_IF, list, argvec[0], argvec[1],
pi->pi_config);
argcount -= 2;
argvec += 2;
}
if (argcount != 0)
logmsg(LOG_ERR, "Trailing text <%s> ignored\n", argvec[0]);
check_if_var_consistency(pi->pi_config, save, sizeof (save));
}
static void
parse_prefix(struct configinfo *list, char *argvec[], int argcount)
{
char *ifname, *prefix;
struct phyint *pi;
struct adv_prefix *adv_pr;
struct in6_addr in6;
int prefixlen;
char save[sizeof (adv_pr->adv_pr_config)];
if (debug & D_CONFIG)
logmsg(LOG_DEBUG, "parse_prefix: argc %d\n", argcount);
if (argcount < 2) {
conferr("Missing prefix and/or interface name\n");
return;
}
prefix = argvec[0];
ifname = argvec[1];
argvec += 2;
argcount -= 2;
prefixlen = parse_addrprefix(prefix, &in6);
if (prefixlen == -1) {
conferr("Bad prefix %s\n", prefix);
return;
}
pi = phyint_lookup(ifname);
if (pi == NULL) {
/*
* Create the physical interface structure.
* Note, phyint_create() sets the interface
* defaults in pi_config.
*/
pi = phyint_create(ifname);
if (pi == NULL) {
conferr("Unable to use interface %s\n", ifname);
return;
}
}
adv_pr = adv_prefix_lookup(pi, in6, prefixlen);
if (adv_pr == NULL) {
int i;
adv_pr = adv_prefix_create(pi, in6, prefixlen);
if (adv_pr == NULL) {
conferr("Unable to create prefix %s\n", prefix);
return;
}
/*
* Copy the defaults from the default array.
*/
for (i = 0; i < I_PREFIXSIZE; i++) {
adv_pr->adv_pr_config[i].cf_value =
prefixdefaults[i].cf_value;
adv_pr->adv_pr_config[i].cf_notdefault =
prefixdefaults[i].cf_notdefault;
}
}
(void) memcpy(save, adv_pr->adv_pr_config, sizeof (save));
while (argcount >= 2) {
parse_var_value(CONFIG_PREFIX, list, argvec[0], argvec[1],
adv_pr->adv_pr_config);
argcount -= 2;
argvec += 2;
}
check_var_consistency(adv_pr->adv_pr_config, save, sizeof (save));
if (argcount != 0)
logmsg(LOG_ERR, "Trailing text <%s> ignored\n", argvec[0]);
}
/** read the config file
*
*
*
* \return -1 if the config file is unavailable
*/
static int
read_config_file(void)
{
FILE *f = open_savedat("config", "rt");
char config_word[32 + 1];
int err = 0, res = 0, i = 0;
char c[2];
if (!f)
{
INFO1("could not open config file");
return -1;
}
while (1)
{
/* skip comments */
if ((res = fscanf(f, " %1[#]", c)) == 1)
goto skip_newline;
if (res == EOF)
break;
/* get configuration variable name */
/** \note config variables may be 32 characters of alphas plus dash and underscore */
res = fscanf(f, "%32[a-zA-Z_-]", config_word);
/* do we have a match? */
if (res == 1)
{
for (i = 0; i < (int) ARRAY_LENGTH(config_strings); ++i)
{
if (strcmp(config_word, config_strings[i].name) == 0)
{
res = parse_var_value(f, i);
if (res != 0 && feof(f))
goto skip_newline;
else if (res != 0)
{
NOTICE2("wrong value type for variable `%s'",
config_word);
goto skip_newline;
}
else
break;
}
}
/* none matched */
if (i == (int) ARRAY_LENGTH(config_strings))
{
NOTICE2("unknown variable in file `%s'",
config_word);
goto skip_newline;
}
}
else if (res == EOF)
break;
else
{
NOTICE1("expected variable name");
goto skip_newline;
}
skip_newline:
if (EOF == skip_past_newline(f))
break;
}
err = !feof(f);
fclose(f);
return -err;
}
