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Adding helper function that checks if string is a valid IPv6 address.

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rl1987 2014-10-14 21:53:48 +03:00 • committed by Nick Mathewson
parent 2862b769de
commit 2f1068e68a
2 changed files with 12 additions and 0 deletions
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11
src/common/util.c
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@ -968,6 +968,17 @@ string_is_valid_ipv4_address(const char *string)
return (tor_inet_pton(AF_INET,string,&sockaddr) == 1);
}
/** Return true if <b>string</b> represents a valid IPv6 address in
* a form that inet_pton() can parse.
*/
int
string_is_valid_ipv6_address(const char *string)
{
struct sockaddr_in sockaddr_dummy;
return (inet_pton(AF_INET6,string,&sockaddr_dummy) == 1);
}
/** Return true iff <b>string</b> matches a pattern of DNS names
* that we allow Tor clients to connect to.
*/

1
src/common/util.h
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@ -229,6 +229,7 @@ int string_is_C_identifier(const char *string);
int string_is_key_value(int severity, const char *string);
int string_is_valid_hostname(const char *string);
int string_is_valid_ipv4_address(const char *string);
int string_is_valid_ipv6_address(const char *string);
int tor_mem_is_zero(const char *mem, size_t len);
int tor_digest_is_zero(const char *digest);