diff options
| -rw-r--r-- | source4/nbt_server/wins/wins_hook.c | 64 |
1 files changed, 56 insertions, 8 deletions
diff --git a/source4/nbt_server/wins/wins_hook.c b/source4/nbt_server/wins/wins_hook.c index 4c798fc18c..53b30c2392 100644 --- a/source4/nbt_server/wins/wins_hook.c +++ b/source4/nbt_server/wins/wins_hook.c @@ -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)); } |