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Add a BIO_ADDR_clear function

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Adds a new function BIO_ADDR_clear to reset a BIO_ADDR back to an
unitialised state, and to set the family to AF_UNSPEC.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
This commit is contained in:
Matt Caswell 2016-02-05 19:40:44 +00:00
parent 0d4fb84390
commit 7d1d48a2d0
3 changed files with 15 additions and 2 deletions
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7
crypto/bio/b_addr.c
View File

@ -76,6 +76,7 @@
BIO_ADDR *BIO_ADDR_new(void)
{
BIO_ADDR *ret = (BIO_ADDR *)OPENSSL_zalloc(sizeof(BIO_ADDR));
ret->sa.sa_family = AF_UNSPEC;
return ret;
}
@ -84,6 +85,12 @@ void BIO_ADDR_free(BIO_ADDR *ap)
OPENSSL_free(ap);
}
void BIO_ADDR_clear(BIO_ADDR *ap)
{
memset(ap, 0, sizeof(*ap));
ap->sa.sa_family = AF_UNSPEC;
}
/*
* BIO_ADDR_make - non-public routine to fill a BIO_ADDR with the contents
* of a struct sockaddr.

9
doc/crypto/BIO_ADDR.pod
View File

@ -2,7 +2,7 @@
=head1 NAME
BIO_ADDR, BIO_ADDR_new, BIO_ADDR_free, BIO_ADDR_rawmake,
BIO_ADDR, BIO_ADDR_new, BIO_ADDR_clear, BIO_ADDR_free, BIO_ADDR_rawmake,
BIO_ADDR_family, BIO_ADDR_rawaddress, BIO_ADDR_rawport,
BIO_ADDR_hostname_string, BIO_ADDR_service_string,
BIO_ADDR_path_string - BIO_ADDR routines
@ -16,6 +16,7 @@ BIO_ADDR_path_string - BIO_ADDR routines
BIO_ADDR *BIO_ADDR_new(void);
void BIO_ADDR_free(BIO_ADDR *);
void BIO_ADDR_clear(BIO_ADDR *ap);
int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
const void *where, size_t wherelen, unsigned short port);
int BIO_ADDR_family(const BIO_ADDR *ap);
@ -38,6 +39,9 @@ BIO_accept_ex().
BIO_ADDR_free() frees a B<BIO_ADDR> created with BIO_ADDR_new().
BIO_ADDR_clear() clears any data held within the provided B<BIO_ADDR> and sets
it back to an uninitialised state.
BIO_ADDR_rawmake() takes a protocol B<family>, an byte array of
size B<wherelen> with an address in network byte order pointed at
by B<where> and a port number in network byte order in B<port> (except
@ -50,7 +54,8 @@ I<Read on about the addresses in L</RAW ADDRESSES> below>.
BIO_ADDR_family() returns the protocol family of the given
B<BIO_ADDR>. The possible non-error results are one of the
constants AF_INET, AF_INET6 and AF_UNIX.
constants AF_INET, AF_INET6 and AF_UNIX. It will also return AF_UNSPEC if the
BIO_ADDR has not been initialised.
BIO_ADDR_rawaddress() will write the raw address of the given
B<BIO_ADDR> in the area pointed at by B<p> if B<p> is non-NULL,

1
include/openssl/bio.h
View File

@ -713,6 +713,7 @@ BIO_ADDR *BIO_ADDR_new(void);
int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
const void *where, size_t wherelen, unsigned short port);
void BIO_ADDR_free(BIO_ADDR *);
void BIO_ADDR_clear(BIO_ADDR *ap);
int BIO_ADDR_family(const BIO_ADDR *ap);
int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l);
unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);