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r13115: call the wins hook script on modifications of the wins.ldb

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tridge: can you please look at the /* TODO: close file handles */
        btw I'm not interessted in any result from the script...

metze
This commit is contained in:
Stefan Metzmacher 2006-01-24 19:07:40 +00:00 committed by Gerald (Jerry) Carter
parent 317a3eefee
commit 93409faddf
1 changed files with 56 additions and 8 deletions
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64
source/nbt_server/wins/wins_hook.c
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@ -24,24 +24,72 @@
#include "includes.h"
#include "nbt_server/nbt_server.h"
#include "nbt_server/wins/winsdb.h"
#include "system/filesys.h"
static const char *wins_hook_action_string(enum wins_hook_action action)
{
switch (action) {
case WINS_HOOK_ADD: return "WINS_HOOK_ADD";
case WINS_HOOK_MODIFY: return "WINS_HOOK_MODIFY";
case WINS_HOOK_DELETE: return "WINS_HOOK_DELETE";
case WINS_HOOK_ADD: return "add";
case WINS_HOOK_MODIFY: return "refresh";
case WINS_HOOK_DELETE: return "delete";
}
return "WINS_HOOK_ACTION_UNKNOWN";
return "unknown";
}
void wins_hook(struct winsdb_handle *h, struct winsdb_record *rec, enum wins_hook_action action)
void wins_hook(struct winsdb_handle *h, const struct winsdb_record *rec, enum wins_hook_action action)
{
const char *script = lp_wins_hook();
uint32_t i, length;
int child;
char *cmd = NULL;
TALLOC_CTX *tmp_mem = NULL;
if (!script || !script[0]) return;
DEBUG(0,("TODO: call wins hook '%s' '%s' for name '%s'\n",
script, wins_hook_action_string(action),
nbt_name_string(rec, rec->name)));
tmp_mem = talloc_new(h);
if (!tmp_mem) goto failed;
length = winsdb_addr_list_length(rec->addresses);
if (action == WINS_HOOK_MODIFY && length < 1) {
action = WINS_HOOK_DELETE;
}
cmd = talloc_asprintf(tmp_mem,
"%s %s %s %02x %ld",
script,
wins_hook_action_string(action),
rec->name->name,
rec->name->type,
rec->expire_time);
if (!cmd) goto failed;
for (i=0; rec->addresses[i]; i++) {
cmd = talloc_asprintf_append(cmd, " %s", rec->addresses[i]->address);
if (!cmd) goto failed;
}
DEBUG(10,("call wins hook '%s'\n", cmd));
/* signal handling in posix really sucks - doing this in a library
affects the whole app, but what else to do?? */
signal(SIGCHLD, SIG_IGN);
child = fork();
if (child == (pid_t)-1) {
goto failed;
}
if (child == 0) {
/* TODO: close file handles */
execl("/bin/sh", "sh", "-c", cmd, NULL);
_exit(0);
}
talloc_free(tmp_mem);
return;
failed:
talloc_free(tmp_mem);
DEBUG(0,("FAILED: calling wins hook '%s'\n", script));
}