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pki: Add a helper function parse traffic selectors from CIDR subnets or ranges

This commit is contained in:
Martin Willi 2017-02-21 15:06:15 +01:00
parent a115f48428
commit 48a5b29fd3
2 changed files with 31 additions and 0 deletions
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22
src/pki/pki.c
View File

@ -258,6 +258,28 @@ hash_algorithm_t get_default_digest(private_key_t *private)
return alg == HASH_UNKNOWN ? HASH_SHA256 : alg;
}
/*
* Described in header
*/
traffic_selector_t* parse_ts(char *str)
{
ts_type_t type = TS_IPV4_ADDR_RANGE;
char *to, from[64];
if (strchr(str, ':'))
{
type = TS_IPV6_ADDR_RANGE;
}
to = strchr(str, '-');
if (to)
{
snprintf(from, sizeof(from), "%.*s", to - str, str);
to++;
return traffic_selector_create_from_string(0, type, from, 0, to, 65535);
}
return traffic_selector_create_from_cidr(str, 0, 0, 65535);
}
/**
* Callback credential set pki uses
*/

9
src/pki/pki.h
View File

@ -26,6 +26,7 @@
#include "command.h"
#include <library.h>
#include <selectors/traffic_selector.h>
#include <credentials/keys/private_key.h>
/**
@ -63,4 +64,12 @@ void set_file_mode(FILE *stream, cred_encoding_type_t enc);
*/
hash_algorithm_t get_default_digest(private_key_t *private);
/**
* Create a traffic selector from a CIDR or range string.
*
* @param str input string, either a.b.c.d/e or a.b.c.d-e.f.g.h
* @return traffic selector, NULL on error
*/
traffic_selector_t* parse_ts(char *str);
#endif /** PKI_H_ @}*/