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/*
Copyright (C) 2010 ABRT team
Copyright (C) 2010 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 "abrtlib.h"
#include "parse_options.h"
#define PROGNAME "abrt-action-analyze-python"
// Hash is MD5_RESULT_LEN bytes long, but we use only first 4
// (I don't know why old Python code was using only 4, I mimic that)
#define HASH_STRING_HEX_DIGITS 4
int main(int argc, char **argv)
{
char *env_verbose = getenv("ABRT_VERBOSE");
if (env_verbose)
g_verbose = atoi(env_verbose);
const char *dump_dir_name = ".";
/* Can't keep these strings/structs static: _() doesn't support that */
const char *program_usage_string = _(
PROGNAME" [-v] -d DIR\n\n"
"Calculates and saves UUID and DUPHASH of python crash dumps"
);
enum {
OPT_v = 1 << 0,
OPT_d = 1 << 1,
// OPT_s = 1 << 2,
};
/* Keep enum above and order of options below in sync! */
struct options program_options[] = {
OPT__VERBOSE(&g_verbose),
OPT_STRING('d', NULL, &dump_dir_name, "DIR", _("Crash dump directory")),
// OPT_BOOL( 's', NULL, NULL, _("Log to syslog" )),
OPT_END()
};
/*unsigned opts =*/ parse_opts(argc, argv, program_options, program_usage_string);
putenv(xasprintf("ABRT_VERBOSE=%u", g_verbose));
msg_prefix = PROGNAME;
//Maybe we will want this... later
// if (opts & OPT_s)
// {
// openlog(msg_prefix, 0, LOG_DAEMON);
// logmode = LOGMODE_SYSLOG;
// }
struct dump_dir *dd = dd_opendir(dump_dir_name, /*flags:*/ 0);
if (!dd)
return 1;
char *bt = dd_load_text(dd, FILENAME_BACKTRACE);
/* Hash 1st line of backtrace and save it as UUID and DUPHASH */
const char *bt_end = strchrnul(bt, '\n');
unsigned char hash_bytes[MD5_RESULT_LEN];
md5_ctx_t md5ctx;
md5_begin(&md5ctx);
// Better:
// "example.py:1:<module>:ZeroDivisionError: integer division or modulo by zero"
//md5_hash(bt_str, bt_end - bt_str, &md5ctx);
//free(bt);
// For now using compat version:
{
char *copy = xstrndup(bt, bt_end - bt);
free(bt);
char *s = copy;
char *d = copy;
unsigned colon_cnt = 0;
while (*s && colon_cnt < 3)
{
if (*s != ':')
*d++ = *s;
else
colon_cnt++;
s++;
}
// copy = "example.py1<module>"
md5_hash(copy, d - copy, &md5ctx);
free(copy);
}
// end of compat version
md5_end(hash_bytes, &md5ctx);
char hash_str[HASH_STRING_HEX_DIGITS*2 + 1];
unsigned len = HASH_STRING_HEX_DIGITS;
char *d = hash_str;
unsigned char *s = hash_bytes;
while (len)
{
*d++ = "0123456789abcdef"[*s >> 4];
*d++ = "0123456789abcdef"[*s & 0xf];
s++;
len--;
}
*d = '\0';
dd_save_text(dd, FILENAME_UUID, hash_str);
dd_save_text(dd, FILENAME_DUPHASH, hash_str);
dd_close(dd);
return 0;
}
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