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| author | Daniil Baturin <daniil@baturin.org> | 2013-06-01 09:18:59 -0700 |
|---|---|---|
| committer | Daniil Baturin <daniil@baturin.org> | 2013-06-01 09:18:59 -0700 |
| commit | 962a4544caaa4b43a5000ccfab55ac5b621dfb5d (patch) | |
| tree | abc170ca9c3a1c47ecad1f563c465d871495f6fd | |
| parent | 9ca7cf169f9308acf9c0dc7252a7fe5993569798 (diff) | |
| download | ipaddrcheck-962a4544caaa4b43a5000ccfab55ac5b621dfb5d.tar.gz ipaddrcheck-962a4544caaa4b43a5000ccfab55ac5b621dfb5d.zip | |
Improve IPv4 regular expressions.
| -rw-r--r-- | src/ipaddrcheck_functions.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/ipaddrcheck_functions.c b/src/ipaddrcheck_functions.c index e1ac23d..27a33fb 100644 --- a/src/ipaddrcheck_functions.c +++ b/src/ipaddrcheck_functions.c @@ -66,7 +66,7 @@ int is_ipv4_cidr(char* address_str) const char *error; int erroffset; - re = pcre_compile("^\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3}/\\d{1,2}$", + re = pcre_compile("^((([1-9]\\d{0,2}|0)\\.){3}([1-9]\\d{0,2}|0)(\\/([1-3][0-9]|0)))$", 0, &error, &erroffset, NULL); rc = pcre_exec(re, NULL, address_str, strlen(address_str), 0, 0, offsets, 1); @@ -93,7 +93,7 @@ int is_ipv4_single(char* address_str) const char *error; int erroffset; - re = pcre_compile("^\\d{1,3}.\\d{1,3}.\\d{1,3}.\\d{1,3}$", + re = pcre_compile("^((([1-9]\\d{0,2}|0)\\.){3}([1-9]\\d{0,2}|0))$", 0, &error, &erroffset, NULL); rc = pcre_exec(re, NULL, address_str, strlen(address_str), 0, 0, offsets, 1); |