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/*
abrt-hook-python.cpp - writes data to the /var/cache/abrt directory
with SUID bit
Copyright (C) 2009 RedHat inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <getopt.h>
#include <unistd.h>
/* We can easily get rid of abrtlib (libABRTUtils.so) usage in this file,
* but DebugDump will pull it in anyway */
#include "abrtlib.h"
#include "DebugDump.h"
#if HAVE_CONFIG_H
# include <config.h>
#endif
#define MAX_BT_SIZE (1024*1024)
static char *pid;
static char *executable;
static char *uuid;
static char *cmdline;
int main(int argc, char** argv)
{
// Parse options
static const struct option longopts[] = {
// name , has_arg , flag, val
{ "pid" , required_argument, NULL, 'p' },
{ "executable", required_argument, NULL, 'e' },
{ "uuid" , required_argument, NULL, 'u' },
{ "cmdline" , required_argument, NULL, 'c' },
{ 0 },
};
int opt;
while ((opt = getopt_long(argc, argv, "p:e:u:c:l:", longopts, NULL)) != -1)
{
switch (opt)
{
case 'p':
pid = optarg;
break;
case 'e':
executable = optarg;
break;
case 'u':
uuid = optarg;
break;
case 'c':
cmdline = optarg;
break;
default:
usage:
error_msg_and_die(
"Usage: abrt-hook-python [OPTIONS] <BACKTRACE\n"
"\nOptions:\n"
" -p,--pid PID PID of process that caused the crash\n"
" -p,--executable PATH absolute path to the program that crashed\n"
" -u,--uuid UUID hash generated from the backtrace\n"
" -c,--cmdline TEXT command line of the crashed program\n"
);
}
}
if (!pid)
goto usage;
// is it really ok if other params aren't specified? abrtd might get confused...
// Read the backtrace from stdin
char *bt = (char*)xmalloc(MAX_BT_SIZE);
ssize_t len = full_read(STDIN_FILENO, bt, MAX_BT_SIZE-1);
if (len < 0)
{
perror_msg_and_die("Read error");
}
bt[len] = '\0';
if (len == MAX_BT_SIZE-1)
{
error_msg("Backtrace size limit exceeded, trimming to 1 MB");
}
// Create directory with the debug dump
char path[PATH_MAX];
snprintf(path, sizeof(path), DEBUG_DUMPS_DIR"/pyhook-%ld-%s",
(long)time(NULL), pid);
CDebugDump dd;
dd.Create(path, geteuid());
dd.SaveText(FILENAME_ANALYZER, "Python");
if (executable)
dd.SaveText(FILENAME_EXECUTABLE, executable);
if (cmdline)
dd.SaveText("cmdline", cmdline);
if (uuid)
dd.SaveText("uuid", uuid);
char uid[sizeof(int) * 3 + 2];
sprintf(uid, "%d", (int)getuid());
dd.SaveText("uid", uid);
dd.SaveText("backtrace", bt);
free(bt);
dd.Close();
return 0;
}
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