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/*
python-hook-writer.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 <argp.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "DebugDump.h"
#if HAVE_CONFIG_H
#include <config.h>
#endif
const char *argp_program_version = "abrt-pyhook-helper " VERSION;
const char *argp_program_bug_address = "<crash-catcher@lists.fedorahosted.org>";
static char doc[] = "abrt-pyhook-helper -- stores crash data to abrt shared directory";
static struct argp_option options[] = {
{"pid" , 'p', "PID" , 0, "PID of process that caused the crash" },
{"executable", 'e', "PATH" , 0, "absolute path to the program that crashed" },
{"uuid" , 'u', "UUID" , 0, "hash generated from the backtrace"},
{"cmdline" , 'c', "TEXT" , 0, "command line of the crashed program"},
{"loginuid" , 'l', "UID" , 0, "login UID"},
{ 0 }
};
struct arguments
{
char *pid;
char *executable;
char *uuid;
char *cmdline;
char *loginuid;
};
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
/* Get the input argument from argp_parse, which we
know is a pointer to our arguments structure. */
struct arguments *arguments = (struct arguments*)state->input;
switch (key)
{
case 'p': arguments->pid = arg; break;
case 'e': arguments->executable = arg; break;
case 'u': arguments->uuid = arg; break;
case 'c': arguments->cmdline = arg; break;
case 'l': arguments->loginuid = arg; break;
case ARGP_KEY_ARG:
argp_usage(state);
exit(1);
break;
case ARGP_KEY_END:
if (!arguments->pid)
{
argp_usage(state);
exit(1);
}
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
/* Our argp parser. */
static struct argp argp = { options, parse_opt, 0, doc };
int main(int argc, char** argv)
{
struct arguments arguments;
argp_parse (&argp, argc, argv, 0, 0, &arguments);
char path[PATH_MAX];
snprintf(path, sizeof(path), "%s/pyhook-%ld-%s", DEBUG_DUMPS_DIR,
(long)time(NULL), arguments.pid);
CDebugDump dd;
dd.Create(path, geteuid());
dd.SaveText(FILENAME_ANALYZER, "Python");
if (arguments.executable)
dd.SaveText(FILENAME_EXECUTABLE, arguments.executable);
if (arguments.cmdline)
dd.SaveText("cmdline", arguments.cmdline);
if (arguments.uuid)
dd.SaveText("uuid", arguments.uuid);
if (arguments.loginuid)
dd.SaveText("uid", arguments.loginuid);
// Read the backtrace from stdin.
int c;
int capacity = 1024;
char *bt = (char*)malloc(capacity);
char *btptr = bt;
while ((c = getchar()) != EOF)
{
if (c >= 0 && c <= 255)
*btptr++ = (char)c;
if (btptr - bt >= capacity - 1)
{
capacity *= 2;
bt = (char*)realloc(bt, capacity);
if (!bt)
{
printf("Error while allocating memory for backtrace.");
return 1;
}
}
}
*btptr = '\0';
dd.SaveText("backtrace", bt);
free(bt);
dd.Close();
return 0;
}
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