diff options
Diffstat (limited to 'sysdep/unix/io.c')
-rw-r--r-- | sysdep/unix/io.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index 08521d75..69c17d60 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -448,6 +448,7 @@ tm_format_reltime(char *x, struct tm *tm, bird_clock_t delta) /** * tm_format_datetime - convert date and time to textual representation * @x: destination buffer of size %TM_DATETIME_BUFFER_SIZE + * @fmt_spec: specification of resulting textual representation of the time * @t: time * * This function formats the given relative time value @t to a textual @@ -952,23 +953,32 @@ sk_set_min_ttl(sock *s, int ttl) /** * sk_set_md5_auth - add / remove MD5 security association for given socket * @s: socket - * @a: IP address of the other side + * @local: IP address of local side + * @remote: IP address of remote side * @ifa: Interface for link-local IP address - * @passwd: password used for MD5 authentication + * @passwd: Password used for MD5 authentication + * @setkey: Update also system SA/SP database * - * In TCP MD5 handling code in kernel, there is a set of pairs (address, - * password) used to choose password according to address of the other side. - * This function is useful for listening socket, for active sockets it is enough - * to set s->password field. + * In TCP MD5 handling code in kernel, there is a set of security associations + * used for choosing password and other authentication parameters according to + * the local and remote address. This function is useful for listening socket, + * for active sockets it may be enough to set s->password field. * * When called with passwd != NULL, the new pair is added, * When called with passwd == NULL, the existing pair is removed. * + * Note that while in Linux, the MD5 SAs are specific to socket, in BSD they are + * stored in global SA/SP database (but the behavior also must be enabled on + * per-socket basis). In case of multiple sockets to the same neighbor, the + * socket-specific state must be configured for each socket while global state + * just once per src-dst pair. The @setkey argument controls whether the global + * state (SA/SP database) is also updated. + * * Result: 0 for success, -1 for an error. */ int -sk_set_md5_auth(sock *s, ip_addr a, struct iface *ifa, char *passwd) +sk_set_md5_auth(sock *s, ip_addr local, ip_addr remote, struct iface *ifa, char *passwd, int setkey) { DUMMY; } #endif @@ -1436,7 +1446,7 @@ sk_open(sock *s) } if (s->password) - if (sk_set_md5_auth(s, s->daddr, s->iface, s->password) < 0) + if (sk_set_md5_auth(s, s->saddr, s->daddr, s->iface, s->password, 0) < 0) goto err; switch (s->type) |