diff options
Diffstat (limited to 'extensions/ulogd_OPRINT.c')
| -rw-r--r-- | extensions/ulogd_OPRINT.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/extensions/ulogd_OPRINT.c b/extensions/ulogd_OPRINT.c new file mode 100644 index 0000000..ed34382 --- /dev/null +++ b/extensions/ulogd_OPRINT.c @@ -0,0 +1,149 @@ +/* ulogd_MAC.c, Version $Revision$ + * + * ulogd output target for logging to a file + * + * (C) 2000-2001 by Harald Welte <laforge@gnumonks.org> + * + * This program is free software; you can redistribute it and/or modify + * it 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 + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id$ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ulogd/ulogd.h> +#include <ulogd/conffile.h> + +#ifndef ULOGD_OPRINT_DEFAULT +#define ULOGD_OPRINT_DEFAULT "/var/log/ulogd.pktlog" +#endif + +#define NIPQUAD(addr) \ + ((unsigned char *)&addr)[0], \ + ((unsigned char *)&addr)[1], \ + ((unsigned char *)&addr)[2], \ + ((unsigned char *)&addr)[3] + +#define HIPQUAD(addr) \ + ((unsigned char *)&addr)[3], \ + ((unsigned char *)&addr)[2], \ + ((unsigned char *)&addr)[1], \ + ((unsigned char *)&addr)[0] + +static FILE *of = NULL; + +static int _output_print(ulog_iret_t *res) +{ + ulog_iret_t *ret; + + fprintf(of, "===>PACKET BOUNDARY\n"); + for (ret = res; ret; ret = ret->cur_next) { + fprintf(of,"%s=", ret->key); + switch (ret->type) { + case ULOGD_RET_STRING: + fprintf(of, "%s\n", (char *) ret->value.ptr); + break; + case ULOGD_RET_BOOL: + case ULOGD_RET_INT8: + case ULOGD_RET_INT16: + case ULOGD_RET_INT32: + fprintf(of, "%d\n", ret->value.i32); + break; + case ULOGD_RET_UINT8: + case ULOGD_RET_UINT16: + case ULOGD_RET_UINT32: + fprintf(of, "%u\n", ret->value.ui32); + break; + case ULOGD_RET_IPADDR: + fprintf(of, "%u.%u.%u.%u\n", + HIPQUAD(ret->value.ui32)); + break; + case ULOGD_RET_NONE: + fprintf(of, "<none>\n"); + break; + default: + fprintf(of, "\n"); + break; + } + } + return 0; +} + +static config_entry_t outf_ce = { + .key = "file", + .type = CONFIG_TYPE_STRING, + .options = CONFIG_OPT_NONE, + .u = { .string = ULOGD_OPRINT_DEFAULT } +}; + +static void sighup_handler_print(int signal) +{ + FILE *old=of; + + switch (signal) { + case SIGHUP: + ulogd_log(ULOGD_NOTICE, "PKTLOG: reopening logfile\n"); + of = fopen(outf_ce.u.string, "a"); + if (!of) { + ulogd_log(ULOGD_FATAL, "can't open PKTLOG: %s\n", + strerror(errno)); + of=old; + } else { + fclose(old); + } + break; + default: + break; + } +} + +static int oprint_init(void) +{ +#ifdef DEBUG + of = stdout; +#else + config_parse_file("OPRINT", &outf_ce); + + of = fopen(outf_ce.u.string, "a"); + if (!of) { + ulogd_log(ULOGD_FATAL, "can't open PKTLOG: %s\n", + strerror(errno)); + exit(2); + } +#endif + return 0; +} + +static void oprint_fini(void) +{ + if (of != stdout) + fclose(of); + + return; +} + +static ulog_output_t oprint_op = { + .name = "oprint", + .output = &_output_print, + .signal = &sighup_handler_print, + .init = &oprint_init, + .fini = &oprint_fini, +}; + +void _init(void) +{ + register_output(&oprint_op); +} |