void
__ni_ifsysctl_vars_map(ni_var_array_t *vars, const char *key, const char *val)
{
ni_stringbuf_t buf = NI_STRINGBUF_INIT_DYNAMIC;
const char *ptr;
/* Normalize the net.ipv4.ip_forward alias */
if (!strcmp(key, "net.ipv4.ip_forward"))
key = "net.ipv4.conf.all.forwarding";
/*
* Filter out net.ipv4.conf.* and net.ipv6.conf.* only.
*/
if (strncmp(key, "net.ipv4.conf.", sizeof("net.ipv4.conf.")-1)
&& strncmp(key, "net.ipv6.conf.", sizeof("net.ipv6.conf.")-1))
return;
/*
* Resolve $INTERFACE and $SYSCTL_IF wildcard crap
*/
if ((ptr = strstr(key, "$INTERFACE"))) {
ni_stringbuf_puts(&buf, key);
ni_stringbuf_truncate(&buf, ptr - key);
ni_stringbuf_puts(&buf, "default");
ptr += sizeof("$INTERFACE")-1;
ni_stringbuf_puts(&buf, ptr);
key = buf.string;
} else
if ((ptr = strstr(key, "$SYSCTL_IF"))) {
ni_stringbuf_puts(&buf, key);
ni_stringbuf_truncate(&buf, ptr - key);
ni_stringbuf_puts(&buf, "default");
ptr += sizeof("$SYSCTL_IF")-1;
ni_stringbuf_puts(&buf, ptr);
key = buf.string;
}
/*
* And finally add it to the array
*/
ni_var_array_set(vars, key, val);
ni_stringbuf_destroy(&buf);
}
void
ni_stringbuf_trim_head(ni_stringbuf_t *sb, const char *reject)
{
size_t trim;
ni_stringbuf_truncate(sb, sb->len);
trim = strspn(sb->string, reject);
if (trim) {
sb->len -= trim;
memmove(sb->string, sb->string + trim, sb->len + 1);
}
}
