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Code Issues Releases Wiki Activity

- Henrik Stoerner fix: got a report that Tru64 Unix (the unix from Digital 

when they made Alpha's) uses /etc/svc.conf for the purpose fixed below for
  other OSes. He made c-ares check for and understand it if present.

- Now c-ares will use local host name lookup _before_ DNS resolving by default
  if nothing else is told.
This commit is contained in:
Daniel Stenberg 2004-09-28 22:19:39 +00:00
parent 2f89f2311c
commit bfeea8e6b7
2 changed files with 28 additions and 3 deletions
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13
ares/CHANGES
View File

@ -1,11 +1,20 @@
Changelog for the c-ares project
* September 29
- Henrik Stoerner fix: got a report that Tru64 Unix (the unix from Digital
when they made Alpha's) uses /etc/svc.conf for the purpose fixed below for
other OSes. He made c-ares check for and understand it if present.
- Now c-ares will use local host name lookup _before_ DNS resolving by default
if nothing else is told.
* September 26
- Henrik Stoerner: found out that C-ARES does not look at the /etc/host.conf
- Henrik Stoerner: found out that c-ares does not look at the /etc/host.conf
file to determine the sequence in which to search /etc/hosts and DNS. So on
systems where this order is defined by /etc/host.conf instead of a "lookup"
entry in /etc/resolv.conf, C-ARES will always default to looking in DNS
entry in /etc/resolv.conf, c-ares will always default to looking in DNS
first, and /etc/hosts second.
c-ares now looks at

18
ares/ares_init.c
View File

@ -567,6 +567,7 @@ DhcpNameServer
fclose(fp);
if (!channel->lookups) {
/* Many systems (Solaris, Linux, BSD's) use nsswitch.conf */
fp = fopen("/etc/nsswitch.conf", "r");
if (fp) {
while ((status = ares__read_line(fp, &line, &linesize)) == ARES_SUCCESS)
@ -577,7 +578,9 @@ DhcpNameServer
fclose(fp);
}
}
if (!channel->lookups) {
/* Linux / GNU libc 2.x and possibly others have host.conf */
fp = fopen("/etc/host.conf", "r");
if (fp) {
while ((status = ares__read_line(fp, &line, &linesize)) == ARES_SUCCESS)
@ -589,6 +592,19 @@ DhcpNameServer
}
}
if (!channel->lookups) {
/* Tru64 uses /etc/svc.conf */
fp = fopen("/etc/svc.conf", "r");
if (fp) {
while ((status = ares__read_line(fp, &line, &linesize)) == ARES_SUCCESS)
{
if ((p = try_config(line, "hosts=")) && !channel->lookups)
status = config_lookup(channel, p, "bind", "local");
}
fclose(fp);
}
}
if(line)
free(line);
}
@ -684,7 +700,7 @@ static int init_by_defaults(ares_channel channel)
if (!channel->lookups)
{
channel->lookups = strdup("bf");
channel->lookups = strdup("fb");
if (!channel->lookups)
return ARES_ENOMEM;
}