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Fix DecrementTTL option for packets destined to the local node.
[tinc]
/
src
/
netutl.c
diff --git
a/src/netutl.c
b/src/netutl.c
index
b8ecdd1
..
275c64f
100644
(file)
--- a/
src/netutl.c
+++ b/
src/netutl.c
@@
-1,7
+1,7
@@
/*
netutl.c -- some supporting network utility code
Copyright (C) 1998-2005 Ivo Timmermans
/*
netutl.c -- some supporting network utility code
Copyright (C) 1998-2005 Ivo Timmermans
- 2000-20
09
Guus Sliepen <guus@tinc-vpn.org>
+ 2000-20
15
Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@
-39,6
+39,10
@@
struct addrinfo *str2addrinfo(const char *address, const char *service, int sock
hint.ai_family = addressfamily;
hint.ai_socktype = socktype;
hint.ai_family = addressfamily;
hint.ai_socktype = socktype;
+#if HAVE_DECL_RES_INIT
+ // ensure glibc reloads /etc/resolv.conf.
+ res_init();
+#endif
err = getaddrinfo(address, service, &hint, &ai);
if(err) {
err = getaddrinfo(address, service, &hint, &ai);
if(err) {
@@
-83,8
+87,10
@@
void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
int err;
if(sa->sa.sa_family == AF_UNKNOWN) {
int err;
if(sa->sa.sa_family == AF_UNKNOWN) {
- *addrstr = xstrdup(sa->unknown.address);
- *portstr = xstrdup(sa->unknown.port);
+ if(addrstr)
+ *addrstr = xstrdup(sa->unknown.address);
+ if(portstr)
+ *portstr = xstrdup(sa->unknown.port);
return;
}
return;
}
@@
-93,8
+99,7
@@
void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
if(err) {
logger(LOG_ERR, "Error while translating addresses: %s",
gai_strerror(err));
if(err) {
logger(LOG_ERR, "Error while translating addresses: %s",
gai_strerror(err));
- raise(SIGFPE);
- exit(0);
+ abort();
}
scopeid = strchr(address, '%');
}
scopeid = strchr(address, '%');
@@
-102,8
+107,10
@@
void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
if(scopeid)
*scopeid = '\0'; /* Descope. */
if(scopeid)
*scopeid = '\0'; /* Descope. */
- *addrstr = xstrdup(address);
- *portstr = xstrdup(port);
+ if(addrstr)
+ *addrstr = xstrdup(address);
+ if(portstr)
+ *portstr = xstrdup(port);
}
char *sockaddr2hostname(const sockaddr_t *sa) {
}
char *sockaddr2hostname(const sockaddr_t *sa) {
@@
-153,8
+160,7
@@
int sockaddrcmp_noport(const sockaddr_t *a, const sockaddr_t *b) {
default:
logger(LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!",
a->sa.sa_family);
default:
logger(LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!",
a->sa.sa_family);
- raise(SIGFPE);
- exit(0);
+ abort();
}
}
}
}
@@
-197,8
+203,7
@@
int sockaddrcmp(const sockaddr_t *a, const sockaddr_t *b) {
default:
logger(LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!",
a->sa.sa_family);
default:
logger(LOG_ERR, "sockaddrcmp() was called with unknown address family %d, exitting!",
a->sa.sa_family);
- raise(SIGFPE);
- exit(0);
+ abort();
}
}
}
}