#include <string.h>
#include <stdlib.h>
+#include <errno.h>
struct ipaccess_list {
list l;
return l;
}
+static byte *
+parse_ip(byte **p, u32 *varp)
+{
+ while (Cspace(**p))
+ (*p)++;
+ if (!**p)
+ return "Missing IP address";
+ uns x = 0;
+ if (**p == '0' && *(*p + 1) | 32 == 'X')
+ {
+ errno = 0;
+ x = strtoul(*p + 2, (char **)p, 16);
+ if (errno == ERANGE || x > 0xffffffff)
+ goto error;
+ }
+ else
+ for (uns i = 0; i < 4; i++)
+ {
+ if (i)
+ {
+ while (Cspace(**p))
+ (*p)++;
+ if (*(*p)++ != '.')
+ goto error;
+ }
+ while (Cspace(**p))
+ (*p)++;
+ errno = 0;
+ uns y = strtoul(*p, (char **)p, 10);
+ if (errno == ERANGE || y > 255)
+ goto error;
+ x = (x << 8) + y;
+ }
+ *varp = x;
+ return NULL;
+error:
+ return "Invalid IP address";
+}
+
byte *
ipaccess_parse(struct ipaccess_list *l, byte *c, int is_allow)
{
if (pxlen != 32)
a->mask = ~(~0U >> (uns) pxlen);
}
- else if (q = cf_parse_ip(&p, &a->mask))
+ else if (q = parse_ip(&p, &a->mask))
return q;
}
add_tail(&l->l, &a->n);
- return cf_parse_ip(&c, &a->addr);
+ return parse_ip(&c, &a->addr);
}
int