Add IPv6 support.

[srvx.git] / src / common.h

diff --git a/src/common.h b/src/common.h
index a8458a37db958e7e0ffdeff166589334a55b961d..6e0d5c120b35a487bee707672f28b69ffdc5c2eb 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -38,13 +38,6 @@ extern struct tm *localtime_r(const time_t *clock, struct tm *res);
 #define false 0
 #endif
 
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffffL
-#endif
-#ifndef INADDR_LOOPBACK
-#define INADDR_LOOPBACK 0x7f000001L
-#endif
-
 #define ArrayLength(x)         (sizeof(x)/sizeof(x[0]))
 #define safestrncpy(dest, src, len) do { char *d = (dest); const char *s = (src); size_t l = strlen(s)+1;  if ((len) < l) l = (len); memmove(d, s, l); d[l-1] = 0; } while (0)
 
@@ -98,12 +91,70 @@ extern void *srvx_malloc(const char *, unsigned int, size_t);
 extern void *srvx_realloc(const char *, unsigned int, void *, size_t);
 extern char *srvx_strdup(const char *, unsigned int, const char *);
 extern void srvx_free(const char *, unsigned int, void *);
+# if !defined(NDEBUG)
+extern void verify(const void *ptr);
+#  define verify(x) verify(x)
+# endif
+#elif defined(WITH_MALLOC_SLAB)
+# define malloc(n) slab_malloc(__FILE__, __LINE__, (n))
+# undef calloc
+# define calloc(m,n) slab_malloc(__FILE__, __LINE__, (m)*(n))
+# undef realloc
+# define realloc(p,n) slab_realloc(__FILE__, __LINE__, (p), (n))
+# undef free
+# define free(p) slab_free(__FILE__, __LINE__, (p))
+# undef strdup
+# define strdup(s) slab_strdup(__FILE__, __LINE__, (s))
+extern void *slab_malloc(const char *, unsigned int, size_t);
+extern void *slab_realloc(const char *, unsigned int, void *, size_t);
+extern char *slab_strdup(const char *, unsigned int, const char *);
+extern void slab_free(const char *, unsigned int, void *);
+# if !defined(NDEBUG)
+extern void verify(const void *ptr);
+#  define verify(x) verify(x)
+# endif
+#endif
+
+#ifndef verify
+# define verify(ptr) (void)(ptr)
 #endif
 
 extern time_t now;
 extern int quit_services;
 extern struct log_type *MAIN_LOG;
 
+typedef union irc_in_addr {
+    uint32_t in6_32[4];
+    uint16_t in6[8];
+    uint8_t in6_8[16];
+} irc_in_addr_t;
+
+#define irc_in_addr_is_valid(ADDR) (((ADDR).in6[0] && (ADDR).in6[0] != 65535) \
+                                    || (ADDR).in6[1] != (ADDR).in6[0] \
+                                    || (ADDR).in6[2] != (ADDR).in6[0] \
+                                    || (ADDR).in6[3] != (ADDR).in6[0] \
+                                    || (ADDR).in6[4] != (ADDR).in6[0] \
+                                    || (ADDR).in6[5] != (ADDR).in6[0] \
+                                    || (ADDR).in6[6] != (ADDR).in6[0] \
+                                    || (ADDR).in6[7] != (ADDR).in6[0])
+#define irc_in_addr_is_ipv4(ADDR) (!(ADDR).in6[0] && !(ADDR).in6[1] \
+                                   && !(ADDR).in6[2] && !(ADDR).in6[3] \
+                                   && !(ADDR).in6[4] && (ADDR).in6[6] \
+                                   && (!(ADDR).in6[5] || (ADDR).in6[5] == 65535))
+#define irc_in_addr_is_ipv6(ADDR) !irc_in_addr_is_ipv4(ADDR)
+#define irc_in_addr_is_loopback(ADDR) (irc_in_addr_is_ipv4(ADDR) ? (ADDR).in6_8[12] == 127 \
+                                       : (ADDR).in6[0] == 0 && (ADDR).in6[1] == 0 \
+                                       && (ADDR).in6[2] == 0 && (ADDR).in6[3] == 0 \
+                                       && (ADDR).in6[4] == 0 && (ADDR).in6[5] == 0 \
+                                       && (ADDR).in6[6] == 0 && (ADDR).in6[7] == 1)
+#define IRC_NTOP_MAX_SIZE 40
+unsigned int irc_ntop(char *output, unsigned int out_size, const irc_in_addr_t *addr);
+#define IRC_NTOP_MASK_MAX_SIZE (IRC_NTOP_MAX_SIZE + 4)
+unsigned int irc_ntop_mask(char *output, unsigned int out_size, const irc_in_addr_t *addr, unsigned char bits);
+unsigned int irc_pton(irc_in_addr_t *addr, unsigned char *bits, const char *input);
+unsigned int irc_check_mask(const irc_in_addr_t *check, const irc_in_addr_t *mask, unsigned char bits);
+const char *irc_ntoa(const irc_in_addr_t *addr);
+
 int create_socket_client(struct uplinkNode *target);
 void close_socket(void);
 
@@ -128,8 +179,6 @@ char *sanitize_ircmask(char *text);
 
 unsigned long ParseInterval(const char *interval);
 unsigned long ParseVolume(const char *volume);
-int parse_ipmask(const char *str, struct in_addr *addr, unsigned long *mask);
-#define MATCH_IPMASK(test, addr, mask) (((ntohl(test.s_addr) & mask) ^ (ntohl(addr.s_addr) & mask)) == 0)
 
 #define MD5_CRYPT_LENGTH 42
 /* buffer[] must be at least MD5_CRYPT_LENGTH bytes long */
@@ -155,6 +204,7 @@ void STRUCTNAME##_init(struct STRUCTNAME *list) {\
   list->list = malloc(list->size*sizeof(list->list[0]));\
 }\
 void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item) {\
+  verify(list->list);\
   if (list->used == list->size) {\
     list->size = list->size ? (list->size << 1) : 4;\
     list->list = realloc(list->list, list->size*sizeof(list->list[0]));\
@@ -163,6 +213,7 @@ void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item) {\
 }\
 int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item) {\
     unsigned int n, found;\
+    verify(list->list);\
     for (found=n=0; n<list->used; n++) {\
        if (list->list[n] == new_item) {\
            memmove(list->list+n, list->list+n+1, (list->used-n-1)*sizeof(list->list[n]));\
@@ -175,6 +226,7 @@ int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item) {\
 void STRUCTNAME##_clean(struct STRUCTNAME *list) {\
   list->used = list->size = 0;\
   free(list->list);\
+  list->list = NULL;\
 }
 
 /* The longest string that is likely to be produced in English is "10