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      1 /*
      2  *
      3  * honggfuzz - reporting
      4  * -----------------------------------------
      5  *
      6  * Author: Robert Swiecki <swiecki (at) google.com>
      7  *
      8  * Copyright 2010-2015 by Google Inc. All Rights Reserved.
      9  *
     10  * Licensed under the Apache License, Version 2.0 (the "License"); you may
     11  * not use this file except in compliance with the License. You may obtain
     12  * a copy of the License at
     13  *
     14  * http://www.apache.org/licenses/LICENSE-2.0
     15  *
     16  * Unless required by applicable law or agreed to in writing, software
     17  * distributed under the License is distributed on an "AS IS" BASIS,
     18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
     19  * implied. See the License for the specific language governing
     20  * permissions and limitations under the License.
     21  *
     22  */
     23 
     24 #include "report.h"
     25 
     26 #include <fcntl.h>
     27 #include <inttypes.h>
     28 #include <stdio.h>
     29 #include <sys/stat.h>
     30 #include <sys/types.h>
     31 
     32 #include "libcommon/common.h"
     33 #include "libcommon/log.h"
     34 #include "libcommon/util.h"
     35 
     36 static int reportFD = -1;
     37 
     38 #if defined(_HF_ARCH_LINUX)
     39 static void report_printdynFileMethod(run_t* run) {
     40     dprintf(reportFD, " dynFileMethod: ");
     41     if (run->global->dynFileMethod == 0)
     42         dprintf(reportFD, "NONE\n");
     43     else {
     44         if (run->global->dynFileMethod & _HF_DYNFILE_INSTR_COUNT) dprintf(reportFD, "INSTR_COUNT ");
     45         if (run->global->dynFileMethod & _HF_DYNFILE_BRANCH_COUNT)
     46             dprintf(reportFD, "BRANCH_COUNT ");
     47         if (run->global->dynFileMethod & _HF_DYNFILE_BTS_EDGE) dprintf(reportFD, "BTS_EDGE_COUNT ");
     48         if (run->global->dynFileMethod & _HF_DYNFILE_IPT_BLOCK)
     49             dprintf(reportFD, "IPT_BLOCK_COUNT ");
     50 
     51         dprintf(reportFD, "\n");
     52     }
     53 }
     54 #endif
     55 
     56 static void report_printTargetCmd(run_t* run) {
     57     dprintf(reportFD, " fuzzTarget   : ");
     58     for (int x = 0; run->global->exe.cmdline[x]; x++) {
     59         dprintf(reportFD, "%s ", run->global->exe.cmdline[x]);
     60     }
     61     dprintf(reportFD, "\n");
     62 }
     63 
     64 void report_Report(run_t* run) {
     65     if (run->report[0] == '\0') {
     66         return;
     67     }
     68 
     69     MX_SCOPED_LOCK(&run->global->report_mutex);
     70 
     71     if (reportFD == -1) {
     72         char reportFName[PATH_MAX];
     73         if (run->global->reportFile == NULL) {
     74             snprintf(reportFName, sizeof(reportFName), "%s/%s", run->global->io.workDir,
     75                 _HF_REPORT_FILE);
     76         } else {
     77             snprintf(reportFName, sizeof(reportFName), "%s", run->global->reportFile);
     78         }
     79 
     80         reportFD = open(reportFName, O_WRONLY | O_CREAT | O_APPEND | O_CLOEXEC, 0644);
     81         if (reportFD == -1) {
     82             PLOG_F("Couldn't open('%s') for writing", reportFName);
     83         }
     84     }
     85 
     86     char localtmstr[PATH_MAX];
     87     util_getLocalTime("%F.%H:%M:%S", localtmstr, sizeof(localtmstr), time(NULL));
     88 
     89     dprintf(reportFD,
     90         "=====================================================================\n"
     91         "TIME: %s\n"
     92         "=====================================================================\n"
     93         "FUZZER ARGS:\n"
     94         " mutationsPerRun : %u\n"
     95         " externalCmd     : %s\n"
     96         " fuzzStdin       : %s\n"
     97         " timeout         : %ld (sec)\n"
     98         " ignoreAddr      : %p\n"
     99         " ASLimit         : %" PRIu64
    100         " (MiB)\n"
    101         " RSSLimit        : %" PRIu64
    102         " (MiB)\n"
    103         " DATALimit       : %" PRIu64
    104         " (MiB)\n"
    105         " targetPid       : %d\n"
    106         " targetCmd       : %s\n"
    107         " wordlistFile    : %s\n",
    108         localtmstr, run->global->mutationsPerRun,
    109         run->global->exe.externalCommand == NULL ? "NULL" : run->global->exe.externalCommand,
    110         run->global->exe.fuzzStdin ? "TRUE" : "FALSE", run->global->timing.tmOut,
    111         run->global->linux.ignoreAddr, run->global->exe.asLimit, run->global->exe.rssLimit,
    112         run->global->exe.dataLimit, run->global->linux.pid, run->global->linux.pidCmd,
    113         run->global->dictionaryFile == NULL ? "NULL" : run->global->dictionaryFile);
    114 
    115 #if defined(_HF_ARCH_LINUX)
    116     report_printdynFileMethod(run);
    117 #endif
    118 
    119     report_printTargetCmd(run);
    120 
    121     dprintf(reportFD,
    122         "%s"
    123         "=====================================================================\n",
    124         run->report);
    125 }
    126