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PR/21334: Mike M. Volokhov: NAT halts on ipfs(8) restore in case of ftp

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proxy used. Apply userland patch from this PR, since the kernel patch does
not match at all anymore, and seems to have been applied differently.
This commit is contained in:
christos 2004-05-10 00:36:19 +00:00
parent 01fd915146
commit 191890ee3f
1 changed files with 25 additions and 19 deletions
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30
dist/ipf/tools/ipfs.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: ipfs.c,v 1.1.1.1 2004/03/28 08:56:32 martti Exp $ */ /* $NetBSD: ipfs.c,v 1.2 2004/05/10 00:36:19 christos Exp $ */
/* /*
* Copyright (C) 1999-2001, 2003 by Darren Reed. * Copyright (C) 1999-2001, 2003 by Darren Reed.
@ -528,9 +528,11 @@ int readnat(fd, file)
int fd; int fd;
char *file; char *file;
{ {
nat_save_t ipn, *in, *ipnhead, *in1, *ipntail, *ipnp; nat_save_t ipn, *in, *ipnhead = NULL, *in1, *ipntail = NULL;
int nfd, i; int nfd, i;
nat_t *nat; nat_t *nat;
char *s;
int n;
nfd = -1; nfd = -1;
in = NULL; in = NULL;
@ -548,7 +550,6 @@ char *file;
} }
bzero((char *)&ipn, sizeof(ipn)); bzero((char *)&ipn, sizeof(ipn));
ipnp = &ipn;
/* /*
* 1. Read all state information in. * 1. Read all state information in.
@ -570,33 +571,36 @@ char *file;
} }
if (ipn.ipn_dsize > 0) { if (ipn.ipn_dsize > 0) {
char *s = ipnp->ipn_data; n = ipn.ipn_dsize;
int n = ipnp->ipn_dsize;
n -= sizeof(ipnp->ipn_data); if (n > sizeof(ipn.ipn_data))
n -= sizeof(ipn.ipn_data);
else
n = 0;
in = malloc(sizeof(*in) + n); in = malloc(sizeof(*in) + n);
if (!in) if (!in)
break; break;
if (n > 0) {
s += sizeof(ipnp->ipn_data); s = in->ipn_data + sizeof(in->ipn_data);
i = read(nfd, s, n); i = read(nfd, s, n);
if (i == 0) if (i == 0)
break; break;
if (i != n) { if (i != n) {
fprintf(stderr, "incomplete read: %d != %d\n", fprintf(stderr,
"incomplete read: %d != %d\n",
i, n); i, n);
close(nfd); close(nfd);
free(in);
return 1; return 1;
} }
}
} else { } else {
ipn.ipn_dsize = 0; ipn.ipn_dsize = 0;
in = (nat_save_t *)malloc(sizeof(*in)); in = (nat_save_t *)malloc(sizeof(*in));
} }
bcopy((char *)ipnp, (char *)in, sizeof(ipn)); bcopy((char *)&ipn, (char *)in, sizeof(ipn));
/* /*
* Check to see if this is the first state entry that will * Check to see if this is the first NAT entry that will
* reference a particular rule and if so, flag it as such * reference a particular rule and if so, flag it as such
* else just adjust the rule pointer to become a pointer to * else just adjust the rule pointer to become a pointer to
* the other. We do this so we have a means later for tracking * the other. We do this so we have a means later for tracking
@ -626,6 +630,7 @@ char *file;
} while (1); } while (1);
close(nfd); close(nfd);
nfd = -1;
for (in = ipnhead; in; in = in->ipn_next) { for (in = ipnhead; in; in = in->ipn_next) {
if (opts & OPT_VERBOSE) if (opts & OPT_VERBOSE)
@ -740,6 +745,7 @@ char *dirname;
dirname = IPF_SAVEDIR; dirname = IPF_SAVEDIR;
if (chdir(dirname)) { if (chdir(dirname)) {
fprintf(stderr, "IPF_SAVEDIR=%s: ", dirname);
perror("chdir(IPF_SAVEDIR)"); perror("chdir(IPF_SAVEDIR)");
return 1; return 1;
} }