libcharon: Execute scripts defined in strongswan.conf during startup/shutdown
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@ -21,6 +21,7 @@
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#include <unistd.h>
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#include <syslog.h>
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#include <time.h>
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#include <errno.h>
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#include "daemon.h"
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@ -476,6 +477,53 @@ static void destroy(private_daemon_t *this)
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free(this);
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}
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/**
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* Run a set of configured scripts
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*/
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static void run_scripts(private_daemon_t *this, char *verb)
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{
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enumerator_t *enumerator;
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char *key, *value, *pos, buf[1024];
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FILE *cmd;
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enumerator = lib->settings->create_key_value_enumerator(lib->settings,
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"%s.%s-scripts", lib->ns, verb);
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while (enumerator->enumerate(enumerator, &key, &value))
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{
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DBG1(DBG_DMN, "executing %s script '%s' (%s):", verb, key, value);
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cmd = popen(value, "r");
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if (!cmd)
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{
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DBG1(DBG_DMN, "executing %s script '%s' (%s) failed: %s",
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verb, key, value, strerror(errno));
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continue;
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}
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while (TRUE)
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{
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if (!fgets(buf, sizeof(buf), cmd))
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{
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if (ferror(cmd))
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{
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DBG1(DBG_DMN, "reading from %s script '%s' (%s) failed",
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verb, key, value);
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}
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break;
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}
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else
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{
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pos = buf + strlen(buf);
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if (pos > buf && pos[-1] == '\n')
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{
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pos[-1] = '\0';
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}
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DBG1(DBG_DMN, "%s: %s", key, buf);
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}
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}
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pclose(cmd);
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}
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enumerator->destroy(enumerator);
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}
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METHOD(daemon_t, start, void,
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private_daemon_t *this)
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{
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@ -483,6 +531,8 @@ METHOD(daemon_t, start, void,
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lib->processor->set_threads(lib->processor,
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lib->settings->get_int(lib->settings, "%s.threads",
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DEFAULT_THREADS, lib->ns));
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run_scripts(this, "start");
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}
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@ -598,6 +648,8 @@ void libcharon_deinit()
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return;
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}
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run_scripts(this, "stop");
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destroy(this);
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charon = NULL;
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}
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