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Import patch addr-del

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(Logical change 1.178)
This commit is contained in:
net[shemminger]!shemminger 2005-03-30 18:16:10 +00:00
parent 2cea8f2fb2
commit f082b64fb4
4 changed files with 22 additions and 3 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2005-03-19 Thomas Graf <tgraf@suug.ch>
* Warn about wildcard deletions and provide IFA_ADDRESS upon
deletions to enforce prefix length validation for IPv4.
2005-03-30 Masahide NAKAMURA <nakam@linux-ipv6.org>
* ipv6 xfrm allocspi and monitor support.

3
include/utils.h
View File

@ -43,9 +43,12 @@ typedef struct
__u8 family;
__u8 bytelen;
__s16 bitlen;
__u32 flags;
__u32 data[4];
} inet_prefix;
#define PREFIXLEN_SPECIFIED 1
#define DN_MAXADDL 20
#ifndef AF_DECnet
#define AF_DECnet 12

12
ip/ipaddress.c
View File

@ -744,6 +744,7 @@ int ipaddr_modify(int cmd, int argc, char **argv)
} req;
char *d = NULL;
char *l = NULL;
char *lcl_arg = NULL;
inet_prefix lcl;
inet_prefix peer;
int local_len = 0;
@ -821,6 +822,7 @@ int ipaddr_modify(int cmd, int argc, char **argv)
usage();
if (local_len)
duparg2("local", *argv);
lcl_arg = *argv;
get_prefix(&lcl, *argv, req.ifa.ifa_family);
if (req.ifa.ifa_family == AF_UNSPEC)
req.ifa.ifa_family = lcl.family;
@ -838,10 +840,18 @@ int ipaddr_modify(int cmd, int argc, char **argv)
exit(1);
}
if (peer_len == 0 && local_len && cmd != RTM_DELADDR) {
if (peer_len == 0 && local_len) {
if (cmd == RTM_DELADDR && lcl.family == AF_INET && !(lcl.flags & PREFIXLEN_SPECIFIED)) {
fprintf(stderr,
"Warning: Executing wildcard deletion to stay compatible with old scripts.\n" \
" Explicitly specify the prefix length (%s/%d) to avoid this warning.\n" \
" This special behaviour is likely to disappear in further releases,\n" \
" fix your scripts!\n", lcl_arg, local_len*8);
} else {
peer = lcl;
addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &lcl.data, lcl.bytelen);
}
}
if (req.ifa.ifa_prefixlen == 0)
req.ifa.ifa_prefixlen = lcl.bitlen;

1
lib/utils.c
View File

@ -241,6 +241,7 @@ int get_prefix_1(inet_prefix *dst, char *arg, int family)
err = -1;
goto done;
}
dst->flags |= PREFIXLEN_SPECIFIED;
dst->bitlen = plen;
}
}