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MINOR: standard: Add str2mask6 function

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This new function mirrors the str2mask() function for IPv4 addresses.

This commit is in preparation to support ARGT_MSK6.
This commit is contained in:
Tim Duesterhus 2018-01-25 16:24:49 +01:00 committed by Willy Tarreau
parent 8575f72e93
commit 471851713a
2 changed files with 28 additions and 0 deletions
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6
include/common/standard.h
View File

@ -377,6 +377,12 @@ struct sockaddr_storage *str2sa_range(const char *str,
*/
int str2mask(const char *str, struct in_addr *mask);
/* converts <str> to a struct in6_addr containing a network mask. It can be
* passed in quadruplet form (ffff::ffff::) or in CIDR form (64). It returns 1
* if the conversion succeeds otherwise zero.
*/
int str2mask6(const char *str, struct in6_addr *mask);
/* convert <cidr> to struct in_addr <mask>. It returns 1 if the conversion
* succeeds otherwise non-zero.
*/

22
src/standard.c
View File

@ -1028,6 +1028,28 @@ int str2mask(const char *str, struct in_addr *mask)
return 1;
}
/* converts <str> to a struct in6_addr containing a network mask. It can be
* passed in quadruplet form (ffff::ffff::) or in CIDR form (64). It returns 1
* if the conversion succeeds otherwise zero.
*/
int str2mask6(const char *str, struct in6_addr *mask)
{
if (strchr(str, ':') != NULL) { /* quadruplet notation */
if (!inet_pton(AF_INET6, str, mask))
return 0;
}
else { /* mask length */
char *err;
unsigned long len = strtol(str, &err, 10);
if (!*str || (err && *err) || (unsigned)len > 128)
return 0;
len2mask6(len, mask);
}
return 1;
}
/* convert <cidr> to struct in_addr <mask>. It returns 1 if the conversion
* succeeds otherwise zero.
*/