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Update op3 cmds.

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This commit is contained in:
melifaro 2014-08-13 06:39:44 +00:00
parent 6f37722ac8
commit cb5593124f
1 changed files with 10 additions and 34 deletions
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44
sbin/ipfw/ipfw2.c
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@ -593,6 +593,16 @@ do_set3(int optname, ip_fw3_opheader *op3, uintptr_t optlen)
return (0);
}
/*
* do_get3 - pass ipfw control cmd to kernel
* @optname: option name
* @optval: pointer to option data
* @optlen: pointer to option length
*
* Assumes op3 header is already embedded.
* Calls getsockopt() with IP_FW3 as kernel-visible opcode.
* Returns 0 on success or errno otherwise.
*/
int
do_get3(int optname, ip_fw3_opheader *op3, size_t *optlen)
{
@ -619,40 +629,6 @@ do_get3(int optname, ip_fw3_opheader *op3, size_t *optlen)
return (error);
}
/*
* do_setcmd3 - pass ipfw control cmd to kernel
* @optname: option name
* @optval: pointer to option data
* @optlen: option length
*
* Function encapsulates option value in IP_FW3 socket option
* and calls setsockopt().
* Function returns 0 on success or -1 otherwise.
*/
static int
do_setcmd3(int optname, void *optval, socklen_t optlen)
{
socklen_t len;
ip_fw3_opheader *op3;
if (co.test_only)
return (0);
if (ipfw_socket == -1)
ipfw_socket = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
if (ipfw_socket < 0)
err(EX_UNAVAILABLE, "socket");
len = sizeof(ip_fw3_opheader) + optlen;
op3 = alloca(len);
/* Zero reserved fields */
memset(op3, 0, sizeof(ip_fw3_opheader));
memcpy(op3 + 1, optval, optlen);
op3->opcode = optname;
return setsockopt(ipfw_socket, IPPROTO_IP, IP_FW3, op3, len);
}
/**
* match_token takes a table and a string, returns the value associated
* with the string (-1 in case of failure).