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authorKenneth R Westerback <krw@cvs.openbsd.org>2020-05-21 12:31:03 +0000
committerKenneth R Westerback <krw@cvs.openbsd.org>2020-05-21 12:31:03 +0000
commit6ed1c2821d34fdcfd68c068a66a4eab38ffb3c56 (patch)
tree1055e09eee31e0dab362cdf7ea0c6f42dd4fc145 /sbin/dhclient
parent9077b8d5605597d870ae898fe4c4d22e52f154a3 (diff)
Rename various parameters and variables to eliminate misleading
allusions to 'rtstatic'.
Diffstat (limited to 'sbin/dhclient')
-rw-r--r--sbin/dhclient/kroute.c77
1 files changed, 38 insertions, 39 deletions
diff --git a/sbin/dhclient/kroute.c b/sbin/dhclient/kroute.c
index 696a29339db..fc0c2ed090b 100644
--- a/sbin/dhclient/kroute.c
+++ b/sbin/dhclient/kroute.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kroute.c,v 1.182 2020/05/21 01:07:52 krw Exp $ */
+/* $OpenBSD: kroute.c,v 1.183 2020/05/21 12:31:02 krw Exp $ */
/*
* Copyright 2012 Kenneth R Westerback <krw@openbsd.org>
@@ -256,20 +256,20 @@ get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info)
}
}
/*
- * route_pos() finds the position of the route in *rtm within
- * the list of routes in rtstatic.
+ * route_pos() finds the position of the *rtm route within
+ * routes.
*
- * If the route is not contained in rtstatic, return rtstatic_len.
+ * If the *rtm route is not in routes, return routes_len.
*/
unsigned int
-route_pos(struct rt_msghdr *rtm, uint8_t *rtstatic,
- unsigned int rtstatic_len, struct in_addr ifa)
+route_pos(struct rt_msghdr *rtm, uint8_t *routes, unsigned int routes_len,
+ struct in_addr ifa)
{
struct sockaddr *rti_info[RTAX_MAX];
struct sockaddr *dst, *netmask, *gateway;
in_addr_t dstaddr, netmaskaddr, gatewayaddr;
- in_addr_t rtstaticdstaddr, rtstaticnetmaskaddr;
- in_addr_t rtstaticgatewayaddr;
+ in_addr_t routesdstaddr, routesnetmaskaddr;
+ in_addr_t routesgatewayaddr;
unsigned int i, len;
get_rtaddrs(rtm->rtm_addrs,
@@ -281,11 +281,11 @@ route_pos(struct rt_msghdr *rtm, uint8_t *rtstatic,
gateway = rti_info[RTAX_GATEWAY];
if (dst == NULL || netmask == NULL || gateway == NULL)
- return rtstatic_len;
+ return routes_len;
if (dst->sa_family != AF_INET || netmask->sa_family != AF_INET ||
gateway->sa_family != AF_INET)
- return rtstatic_len;
+ return routes_len;
dstaddr = ((struct sockaddr_in *)dst)->sin_addr.s_addr;
netmaskaddr = ((struct sockaddr_in *)netmask)->sin_addr.s_addr;
@@ -293,14 +293,13 @@ route_pos(struct rt_msghdr *rtm, uint8_t *rtstatic,
dstaddr &= netmaskaddr;
i = 0;
- while (i < rtstatic_len) {
- len = extract_route(&rtstatic[i], rtstatic_len - i,
- &rtstaticdstaddr, &rtstaticnetmaskaddr,
- &rtstaticgatewayaddr);
+ while (i < routes_len) {
+ len = extract_route(&routes[i], routes_len - i, &routesdstaddr,
+ &routesnetmaskaddr, &routesgatewayaddr);
if (len == 0)
break;
- /* Direct route in rtstatic:
+ /* Direct route in routes:
*
* dst=1.2.3.4 netmask=255.255.255.255 gateway=0.0.0.0
*
@@ -310,19 +309,19 @@ route_pos(struct rt_msghdr *rtm, uint8_t *rtstatic,
*
* So replace 0.0.0.0 with ifa for comparison.
*/
- if (rtstaticgatewayaddr == INADDR_ANY)
- rtstaticgatewayaddr = ifa.s_addr;
- rtstaticdstaddr &= rtstaticnetmaskaddr;
+ if (routesgatewayaddr == INADDR_ANY)
+ routesgatewayaddr = ifa.s_addr;
+ routesdstaddr &= routesnetmaskaddr;
- if (dstaddr == rtstaticdstaddr &&
- netmaskaddr == rtstaticnetmaskaddr &&
- gatewayaddr == rtstaticgatewayaddr)
+ if (dstaddr == routesdstaddr &&
+ netmaskaddr == routesnetmaskaddr &&
+ gatewayaddr == routesgatewayaddr)
return i;
i += len;
}
- return rtstatic_len;
+ return routes_len;
}
/*
@@ -332,8 +331,8 @@ route_pos(struct rt_msghdr *rtm, uint8_t *rtstatic,
* arp -dan
*/
void
-flush_routes(int index, int routefd, int rdomain, uint8_t *rtstatic,
- unsigned int rtstatic_len, struct in_addr ifa)
+flush_routes(int index, int routefd, int rdomain, uint8_t *routes,
+ unsigned int routes_len, struct in_addr ifa)
{
static int seqno;
char *lim, *buf, *next;
@@ -361,8 +360,8 @@ flush_routes(int index, int routefd, int rdomain, uint8_t *rtstatic,
continue;
/* Don't bother deleting a route we're going to add. */
- pos = route_pos(rtm, rtstatic, rtstatic_len, ifa);
- if (pos < rtstatic_len)
+ pos = route_pos(rtm, routes, routes_len, ifa);
+ if (pos < routes_len)
continue;
rtm->rtm_type = RTM_DELETE;
@@ -471,11 +470,11 @@ add_route(char *name, int rdomain, int routefd, struct in_addr dest,
}
/*
- * set_routes() adds the routes contained in rtstatic to the routing table.
+ * set_routes() adds the routes contained in 'routes' to the routing table.
*/
void
set_routes(char *name, int index, int rdomain, int routefd, struct in_addr addr,
- struct in_addr addrmask, uint8_t *rtstatic, unsigned int rtstatic_len)
+ struct in_addr addrmask, uint8_t *routes, unsigned int routes_len)
{
const struct in_addr any = { INADDR_ANY };
const struct in_addr broadcast = { INADDR_BROADCAST };
@@ -483,14 +482,14 @@ set_routes(char *name, int index, int rdomain, int routefd, struct in_addr addr,
in_addr_t addrnet, gatewaynet;
unsigned int i, len;
- flush_routes(index, routefd, rdomain, rtstatic, rtstatic_len, addr);
+ flush_routes(index, routefd, rdomain, routes, routes_len, addr);
addrnet = addr.s_addr & addrmask.s_addr;
/* Add classless static routes. */
i = 0;
- while (i < rtstatic_len) {
- len = extract_route(&rtstatic[i], rtstatic_len - i,
+ while (i < routes_len) {
+ len = extract_route(&routes[i], routes_len - i,
&dest.s_addr, &netmask.s_addr, &gateway.s_addr);
if (len == 0)
return;
@@ -773,27 +772,27 @@ set_mtu(char *name, int ioctlfd, uint16_t mtu)
}
/*
- * extract_route() decodes the route pointed to by rtstatic into its
+ * extract_route() decodes the route pointed to by routes into its
* {destination, netmask, gateway} and returns the number of bytes consumed
- * from rtstatic.
+ * from routes.
*/
unsigned int
-extract_route(uint8_t *rtstatic, unsigned int rtstatic_len, in_addr_t *dest,
+extract_route(uint8_t *routes, unsigned int routes_len, in_addr_t *dest,
in_addr_t *netmask, in_addr_t *gateway)
{
unsigned int bits, bytes, len;
- if (rtstatic[0] > 32)
+ if (routes[0] > 32)
return 0;
- bits = rtstatic[0];
+ bits = routes[0];
bytes = (bits + 7) / 8;
len = 1 + bytes + sizeof(*gateway);
- if (len > rtstatic_len)
+ if (len > routes_len)
return 0;
if (dest != NULL)
- memcpy(dest, &rtstatic[1], bytes);
+ memcpy(dest, &routes[1], bytes);
if (netmask != NULL) {
if (bits == 0)
@@ -805,7 +804,7 @@ extract_route(uint8_t *rtstatic, unsigned int rtstatic_len, in_addr_t *dest,
}
if (gateway != NULL)
- memcpy(gateway, &rtstatic[1 + bytes], sizeof(*gateway));
+ memcpy(gateway, &routes[1 + bytes], sizeof(*gateway));
return len;
}