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* nss/getent.c: Implement alternative host database lookup via
	getaddrinfo.

	unbinding it.
This commit is contained in:
Ulrich Drepper 2003-04-25 00:46:36 +00:00
parent 925c3c5c71
commit 29bfc9453e
2 changed files with 72 additions and 1 deletions
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5
ChangeLog
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@ -1,5 +1,8 @@
2003-04-24 Ulrich Drepper <drepper@redhat.com>
* nss/getent.c: Implement alternative host database lookup via
getaddrinfo.
* include/ifaddrs.h: New file.
* include/netdb.h: Move definitions of AI_V4MAPPED, AI_ALL, and
AI_ADDRCONFIG...
@ -43,7 +46,7 @@
(__yp_unbind): Add call to free. Adjust all callers.
* nis/ypclnt.c (yp_all): Free the dom_binding object after
unwinding it.
unbinding it.
* grp/initgroups.c (getgrouplist): Don't copy too much into the
user buffer if more groups are found than fit into it.

68
nss/getent.c
View File

@ -296,6 +296,73 @@ hosts_keys (int number, char *key[])
return result;
}
/* This is for hosts, but using getaddrinfo */
static int
ahosts_keys (int number, char *key[])
{
int result = 0;
int i;
struct hostent *host;
if (number == 0)
{
sethostent (0);
while ((host = gethostent ()) != NULL)
print_hosts (host);
endhostent ();
return result;
}
struct addrinfo hint;
memset (&hint, '\0', sizeof (hint));
hint.ai_flags = AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME;
hint.ai_family = AF_UNSPEC;
for (i = 0; i < number; ++i)
{
struct addrinfo *res;
if (getaddrinfo (key[i], NULL, &hint, &res) != 0)
result = 2;
else
{
struct addrinfo *runp = res;
while (runp != NULL)
{
char sockbuf[20];
const char *sockstr;
if (runp->ai_socktype == SOCK_STREAM)
sockstr = "STREAM";
else if (runp->ai_socktype == SOCK_DGRAM)
sockstr = "DGRAM";
else if (runp->ai_socktype == SOCK_RAW)
sockstr = "RAW";
else
{
snprintf (sockbuf, sizeof (sockbuf), "%d",
runp->ai_socktype);
sockstr = sockbuf;
}
char buf[INET6_ADDRSTRLEN];
printf ("%-15s %-6s %s\n",
inet_ntop (runp->ai_family,
&((struct sockaddr_in *) runp->ai_addr)->sin_addr,
buf, sizeof (buf)),
sockstr,
runp->ai_canonname);
runp = runp->ai_next;
}
freeaddrinfo (res);
}
}
return result;
}
/* This is for netgroup */
static int
netgroup_keys (int number, char *key[])
@ -688,6 +755,7 @@ struct
} databases[] =
{
#define D(name) { #name, name ## _keys },
D(ahosts)
D(aliases)
D(ethers)
D(group)