Again, multiple enhancements.

* IPv6 feature set nearly complete.
* Test suite expanded to cover all but a few functions.
* Source files renamed according to the new project name,
  .h is now .h, implementations are moved to .c
* Something else.

4 files changed, 185 insertions, 56 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index f30438f..6612d3e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,7 @@
 AM_CFLAGS = --pedantic -Wall -Werror -std=c99 -O2
 AM_LDFLAGS = 
 
-ipaddrcheck_SOURCES = iptest.c iptest.h
+ipaddrcheck_SOURCES = ipaddrcheck.c ipaddrcheck_functions.c
 ipaddrcheck_LDFLAGS = -lcidr -lpcre
 
 bin_PROGRAMS = ipaddrcheck
diff --git a/src/iptest.c b/src/ipaddrcheck.c
index c618b20..929da6b 100644
--- a/src/iptest.c
+++ b/src/ipaddrcheck.c
@@ -21,7 +21,31 @@
 
 #include <errno.h>
 #include "config.h"
-#include "iptest.h"
+#include "ipaddrcheck_functions.h"
+
+/* Option codes */
+#define IS_VALID              10
+#define IS_IPV4               20
+#define IS_IPV4_CIDR          30
+#define IS_IPV4_SINGLE        40
+#define IS_IPV4_HOST          50
+#define IS_IPV4_NET           60
+#define IS_IPV4_BROADCAST     70
+#define IS_IPV4_UNICAST       80
+#define IS_IPV4_MULTICAST     90
+#define IS_IPV4_RFC1918       100
+#define IS_IPV4_LOOPBACK      110
+#define IS_IPV4_LINKLOCAL     120
+#define IS_IPV6               130
+#define IS_IPV6_CIDR          140
+#define IS_IPV6_SINGLE        150
+#define IS_IPV6_HOST          160
+#define IS_IPV6_NET           170
+#define IS_IPV6_UNICAST       180
+#define IS_IPV6_MULTICAST     190
+#define IS_IPV6_LINKLOCAL     200
+#define HAS_MASK              210
+#define IS_VALID_INTF_ADDR    220
 
 static const struct option options[] =
 {
@@ -45,6 +69,7 @@ static const struct option options[] =
     { "is-ipv6-multicast",     no_argument, NULL, 's' },
     { "is-ipv6-link-local",    no_argument, NULL, 't' },
     { "is-valid-intf-address", no_argument, NULL, 'u' },
+    { "legacy",                no_argument, NULL, 'w' },
     { "version",               no_argument, NULL, 'z' },
     { NULL,                    no_argument, NULL, 0   }
 };
@@ -73,7 +98,7 @@ int main(int argc, char* argv[])
         return(EXIT_FAILURE);
     }
 
-    while( (optc = getopt_long(argc, argv, "abcdv?", options, &option_index)) != -1 )
+    while( (optc = getopt_long(argc, argv, "abcdefghijklmnoprstuz?", options, &option_index)) != -1 )
     {
          switch(optc)
          {
@@ -155,7 +180,6 @@ int main(int argc, char* argv[])
     if( (argc - optind) == 1 )
     {
          address_str = argv[optind];
-         printf("%s\n", address_str);
     }
     else
     {
@@ -193,11 +217,7 @@ int main(int argc, char* argv[])
                 result = is_ipv4_cidr(address_str);
                 break;
             case IS_IPV4_SINGLE:
-                if( !(is_ipv4(address) && has_mask(address_str)) )
-                {
-                    result = RESULT_FAILURE;
-                }
-                /* No need to change it in case of success */
+                result = is_ipv4_single(address_str);
                 break;
             case IS_IPV4_HOST:
                 result = is_ipv4_host(address);
@@ -224,12 +244,22 @@ int main(int argc, char* argv[])
             case IS_IPV6:
                 result = is_ipv6(address);
                 break;
+            case IS_IPV6_CIDR:
+                break;
+            case IS_IPV6_SINGLE:
+                break;
             case IS_IPV6_HOST:
                 result = is_ipv6_host(address);
                 break;
             case IS_IPV6_NET:
                 result = is_ipv6_net(address);
                 break;
+            case IS_IPV6_MULTICAST:
+                 result = is_ipv6_multicast(address);
+                 break;
+            case IS_IPV6_LINKLOCAL:
+                 result = is_ipv6_link_local(address);
+                 break;
         }
         printf("action: %d\n", actions[action_count]);
         action_count--;
diff --git a/src/iptest.h b/src/ipaddrcheck_functions.c
index f025911..1006383 100644
--- a/src/iptest.h
+++ b/src/ipaddrcheck_functions.c
@@ -1,5 +1,5 @@
 /*
- * ipaddrcheck.h: macros and functions for iptest IPv4/IPv6 validator
+ * ipaddrcheck_functions.c: functions for iptest IPv4/IPv6 validator
  *
  * Maintainer: Daniil Baturin <daniil at baturin dot org>
  *
@@ -21,49 +21,7 @@
  *
  */
 
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <getopt.h>
-#include <pcre.h>
-#include <libcidr.h>
-
-#define INVALID_PROTO -1
-
-/* Option codes */
-#define IS_VALID              10
-#define IS_IPV4               20
-#define IS_IPV4_CIDR          30
-#define IS_IPV4_SINGLE        40
-#define IS_IPV4_HOST          50
-#define IS_IPV4_NET           60
-#define IS_IPV4_BROADCAST     70
-#define IS_IPV4_UNICAST       80
-#define IS_IPV4_MULTICAST     90
-#define IS_IPV4_RFC1918       100
-#define IS_IPV4_LOOPBACK      110
-#define IS_IPV4_LINKLOCAL     120
-#define IS_IPV6               130
-#define IS_IPV6_CIDR          140
-#define IS_IPV6_SINGLE        150
-#define IS_IPV6_HOST          160
-#define IS_IPV6_NET           170
-#define IS_IPV6_UNICAST       180
-#define IS_IPV6_MULTICAST     190
-#define IS_IPV6_LINKLOCAL     200
-#define HAS_MASK              210
-#define IS_VALID_INTF_ADDR    220
-
-#define RESULT_SUCCESS 1
-#define RESULT_FAILURE 0
-
-#define IPV4_MULTICAST "224.0.0.0/4"
-#define IPV4_LOOPBACK  "127.0.0.0/8"
-#define IPV4_LINKLOCAL "169.254.0.0/16"
-#define IPV4_RFC1918_A "10.0.0.0/8"
-#define IPV4_RFC1918_B "172.16.0.0/12"
-#define IPV4_RFC1918_C "192.168.0.0/16"
+#include "ipaddrcheck_functions.h"
 
 /*
  * Address string functions
@@ -124,6 +82,32 @@ int is_ipv4_cidr(char* address_str)
     return(result);
 }
 
+/* Is it a single dotted decimal address? */
+int is_ipv4_single(char* address_str)
+{
+    int result;
+
+    int offsets[1];
+    pcre *re;
+    int rc;
+    const char *error;
+    int erroffset;
+
+    re = pcre_compile("^\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3}$",
+                      0, &error, &erroffset, NULL);
+    rc = pcre_exec(re, NULL, address_str, strlen(address_str), 0, 0, offsets, 1);
+
+    if( rc < 0 )
+    {
+        result = RESULT_FAILURE;
+    }
+    else
+    {
+        result = RESULT_SUCCESS;
+    }
+
+    return(result);
+}
 
 /*
  * Address checking functions that rely on libcidr
@@ -296,15 +280,90 @@ int is_ipv4_rfc1918(CIDR *address)
    with or withour mask */
 int is_ipv6(CIDR *address)
 {
-    return RESULT_FAILURE;
+     int result;
+
+     if( cidr_get_proto(address) == CIDR_IPV6 )
+     {
+          result = RESULT_SUCCESS;
+     }
+     else
+     {
+          result = RESULT_FAILURE;
+     }
+
+     return(result);
 }
 
+/* Is it a correct IPv6 host address? */
 int is_ipv6_host(CIDR *address)
 {
-    return RESULT_FAILURE;
+    int result;
+
+    if( (cidr_get_proto(address) == CIDR_IPV6) &&
+        ((cidr_equals(address, cidr_addr_network(address)) < 0) ||
+        (cidr_get_pflen(address) == 128)) )
+    {
+         result = RESULT_SUCCESS;
+    }
+    else
+    {
+         result = RESULT_FAILURE;
+    }
+
+    return(result);
 }
 
+/* Is it a correct IPv6 network address? */
 int is_ipv6_net(CIDR *address)
 {
-    return RESULT_FAILURE;
+    int result;
+
+    if( (cidr_get_proto(address) == CIDR_IPV6) &&
+        (cidr_equals(address, cidr_addr_network(address)) == 0) )
+    {
+         result = RESULT_SUCCESS;
+    }
+    else
+    {
+         result = RESULT_FAILURE;
+    }
+
+    return(result);
+}
+
+/* Is it an IPv6 multicast address? */
+int is_ipv6_multicast(CIDR *address)
+{
+    int result;
+
+    if( (cidr_get_proto(address) == CIDR_IPV6) &&
+        (cidr_contains(cidr_from_str(IPV6_MULTICAST), address) == 0) )
+    {
+        result = RESULT_SUCCESS;
+    }
+    else
+    {
+        result = RESULT_FAILURE;
+    }
+
+    return(result);
+}
+
+/* Is it an IPv6 link-local address? */
+int is_ipv6_link_local(CIDR *address)
+{
+    int result;
+
+    if( (cidr_get_proto(address) == CIDR_IPV6) &&
+        (cidr_contains(cidr_from_str(IPV6_LINKLOCAL), address) == 0) )
+    {
+        result = RESULT_SUCCESS;
+    }
+    else
+    {
+        result = RESULT_FAILURE;
+    }
+
+    return(result);
 }
+
diff --git a/src/ipaddrcheck_functions.h b/src/ipaddrcheck_functions.h
new file mode 100644
index 0000000..756a8f3
--- /dev/null
+++ b/src/ipaddrcheck_functions.h
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include <pcre.h>
+#include <libcidr.h>
+
+#define INVALID_PROTO -1
+
+#define RESULT_SUCCESS 1
+#define RESULT_FAILURE 0
+
+#define IPV4_MULTICAST "224.0.0.0/4"
+#define IPV4_LOOPBACK  "127.0.0.0/8"
+#define IPV4_LINKLOCAL "169.254.0.0/16"
+#define IPV4_RFC1918_A "10.0.0.0/8"
+#define IPV4_RFC1918_B "172.16.0.0/12"
+#define IPV4_RFC1918_C "192.168.0.0/16"
+#define IPV6_MULTICAST "ff00::/8"
+#define IPV6_LINKLOCAL "fe80::/64"
+
+int has_mask(char* address_str);
+int is_ipv4_cidr(char* address_str);
+int is_ipv4_single(char* address_str);
+int is_valid_address(CIDR *address);
+int is_ipv4(CIDR *address);
+int is_ipv4_host(CIDR *address);
+int is_ipv4_net(CIDR *address);
+int is_ipv4_broadcast(CIDR *address);
+int is_ipv4_multicast(CIDR *address);
+int is_ipv4_loopback(CIDR *address);
+int is_ipv4_link_local(CIDR *address);
+int is_ipv4_rfc1918(CIDR *address);
+int is_ipv6(CIDR *address);
+int is_ipv6_host(CIDR *address);
+int is_ipv6_net(CIDR *address);
+int is_ipv6_multicast(CIDR *address);
+int is_ipv6_link_local(CIDR *address);
+
+