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Diffstat (limited to 'framework/src/suricata/src/util-pidfile.c')
| -rw-r--r-- | framework/src/suricata/src/util-pidfile.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/framework/src/suricata/src/util-pidfile.c b/framework/src/suricata/src/util-pidfile.c deleted file mode 100644 index a13e54ef..00000000 --- a/framework/src/suricata/src/util-pidfile.c +++ /dev/null @@ -1,127 +0,0 @@ -/* Copyright (C) 2007-2010 Open Information Security Foundation - * - * You can copy, redistribute or modify this Program under the terms of - * the GNU General Public License version 2 as published by the Free - * Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -/** - * \file - * - * \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com> - * \author Victor Julien <victor@inliniac.net> - * - * Utility code for dealing with a pidfile. - * Adaptation of Steve Grubbs patch to our coding guidelines - * (thanks for the patch Steve ;) - */ - -#include "suricata-common.h" -#include "util-pidfile.h" - -/** - * \brief Write a pid file (used at the startup) - * This commonly needed by the init scripts - * - * \param pointer to the name of the pid file to write (optarg) - * - * \retval 0 if succes - * \retval -1 on failure - */ -int SCPidfileCreate(const char *pidfile) -{ - SCEnter(); - - int pidfd = 0; - char val[16]; - - size_t len = snprintf(val, sizeof(val), "%"PRIuMAX"\n", (uintmax_t)getpid()); - if (len <= 0) { - SCLogError(SC_ERR_PIDFILE_SNPRINTF, "Pid error (%s)", strerror(errno)); - SCReturnInt(-1); - } - - pidfd = open(pidfile, O_CREAT | O_TRUNC | O_NOFOLLOW | O_WRONLY, 0644); - if (pidfd < 0) { - SCLogError(SC_ERR_PIDFILE_OPEN, "unable to set pidfile '%s': %s", - pidfile, - strerror(errno)); - SCReturnInt(-1); - } - - ssize_t r = write(pidfd, val, (unsigned int)len); - if (r == -1) { - SCLogError(SC_ERR_PIDFILE_WRITE, "unable to write pidfile: %s", strerror(errno)); - close(pidfd); - SCReturnInt(-1); - } else if ((size_t)r != len) { - SCLogError(SC_ERR_PIDFILE_WRITE, "unable to write pidfile: wrote" - " %"PRIdMAX" of %"PRIuMAX" bytes.", (intmax_t)r, (uintmax_t)len); - close(pidfd); - SCReturnInt(-1); - } - - close(pidfd); - SCReturnInt(0); -} - -/** - * \brief Remove the pid file (used at the startup) - * - * \param pointer to the name of the pid file to write (optarg) - */ -void SCPidfileRemove(const char *pid_filename) -{ - if (pid_filename != NULL) { - /* we ignore the result, the user may have removed the file already. */ - (void)unlink(pid_filename); - } -} - -/** - * \brief Check a pid file (used at the startup) - * This commonly needed by the init scripts - * - * \param pointer to the name of the pid file to write (optarg) - * - * \retval 0 if succes - * \retval -1 on failure - */ -int SCPidfileTestRunning(const char *pid_filename) -{ - if (access(pid_filename, F_OK) == 0) { - /* Check if the existing process is still alive. */ - pid_t pidv; - FILE *pf; - - pf = fopen(pid_filename, "r"); - if (pf == NULL) { - SCLogError(SC_ERR_INITIALIZATION, - "pid file '%s' exists and can not be read. Aborting!", - pid_filename); - return -1; - } - - if (fscanf(pf, "%d", &pidv) == 1 && kill(pidv, 0) == 0) { - fclose(pf); - SCLogError(SC_ERR_INITIALIZATION, - "pid file '%s' exists. Is Suricata already running? Aborting!", - pid_filename); - return -1; - } - - if (pf != NULL) - fclose(pf); - } - return 0; -} |