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judge_client.cpp
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// File: judge_client.cc
// Author: sempr
// refacted by zhblue
/*
* Copyright 2008 sempr <[email protected]>
*
* Refacted and modified by zhblue<[email protected]>
* Bug report email [email protected]
*
*
* This file is part of HUSTOJ.
*
* HUSTOJ 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.
*
* HUSTOJ 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 HUSTOJ. if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
#include <time.h>
#include <stdarg.h>
#include <ctype.h>
#include <sys/wait.h>
#include <sys/ptrace.h>
#include <sys/types.h>
#include <sys/user.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/signal.h>
//#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <mysql/mysql.h>
#include <assert.h>
#include "okcalls.h"
#define IGNORE_ESOL //ignore the ending space char of lines while comparing
#define STD_MB 1048576LL
#define STD_T_LIM 2
#define STD_F_LIM (STD_MB<<5) //default file size limit 32m ,2^5=32
#define STD_M_LIM (STD_MB<<7) //default memory limit 128m ,2^7=128
#define BUFFER_SIZE 5120 //default size of char buffer 5120 bytes
#define OJ_WT0 0
#define OJ_WT1 1
#define OJ_CI 2
#define OJ_RI 3
#define OJ_AC 4
#define OJ_PE 5
#define OJ_WA 6
#define OJ_TL 7
#define OJ_ML 8
#define OJ_OL 9
#define OJ_RE 10
#define OJ_CE 11
#define OJ_CO 12
#define OJ_TR 13
/*copy from ZOJ
http://code.google.com/p/zoj/source/browse/trunk/judge_client/client/tracer.cc?spec=svn367&r=367#39
*/
#ifdef __i386
#define REG_SYSCALL orig_eax
#define REG_RET eax
#define REG_ARG0 ebx
#define REG_ARG1 ecx
#else
#define REG_SYSCALL orig_rax
#define REG_RET rax
#define REG_ARG0 rdi
#define REG_ARG1 rsi
#endif
static int DEBUG = 0;
static char host_name[BUFFER_SIZE];
static char user_name[BUFFER_SIZE];
static char password[BUFFER_SIZE];
static char db_name[BUFFER_SIZE];
static char oj_home[BUFFER_SIZE];
static char data_list[BUFFER_SIZE][BUFFER_SIZE];
static int data_list_len = 0;
static int port_number;
static int max_running;
static int sleep_time;
static int java_time_bonus = 5;
static int java_memory_bonus = 512;
static char java_xms[BUFFER_SIZE];
static char java_xmx[BUFFER_SIZE];
static int sim_enable = 0;
static int oi_mode = 0;
static int full_diff = 0;
static int use_max_time = 0;
static int http_judge = 0;
static char http_baseurl[BUFFER_SIZE];
static char http_username[BUFFER_SIZE];
static char http_password[BUFFER_SIZE];
static int http_download = 1;
static double cpu_compensation = 1.0;
static int shm_run = 0;
static char record_call = 0;
static int use_ptrace = 1;
static int compile_chroot = 1;
static int turbo_mode = 0;
static const char * tbname = "solution";
//static int sleep_tmp;
#define ZOJ_COM
#ifdef _mysql_h
MYSQL *conn;
#endif
static char lang_ext[18][8] = { "c", "cc", "pas", "java", "rb", "sh", "py",
"php", "pl", "cs", "m", "bas", "scm","c","cc","lua","js","go" };
//static char buf[BUFFER_SIZE];
int data_list_has(char * file) {
for (int i = 0; i<data_list_len; i++) {
if (strcmp(data_list[i], file) == 0)
return 1;
}
return 0;
}
int data_list_add(char * file) {
if (data_list_len<BUFFER_SIZE - 1) {
strcpy(data_list[data_list_len], file);
data_list_len++;
return 0;
}
else {
return 1;
}
}
long get_file_size(const char * filename) {
struct stat f_stat;
if (stat(filename, &f_stat) == -1) {
return 0;
}
return (long)f_stat.st_size;
}
void write_log(const char *_fmt, ...) {
va_list ap;
char fmt[4096];
strncpy(fmt, _fmt, 4096);
char buffer[4096];
// time_t t = time(NULL);
//int l;
sprintf(buffer, "%s/log/client.log", oj_home);
FILE *fp = fopen(buffer, "ae+");
if (fp == NULL) {
fprintf(stderr, "openfile error!\n");
system("pwd");
}
va_start(ap, _fmt);
//l =
vsprintf(buffer, fmt, ap);
fprintf(fp, "%s\n", buffer);
if (DEBUG)
printf("%s\n", buffer);
va_end(ap);
fclose(fp);
}
int execute_cmd(const char * fmt, ...) {
char cmd[BUFFER_SIZE];
int ret = 0;
va_list ap;
va_start(ap, fmt);
vsprintf(cmd, fmt, ap);
printf("%s\n", cmd);
ret = system(cmd);
va_end(ap);
return ret;
}
const int call_array_size = 512;
unsigned int call_id = 0;
unsigned int call_counter[call_array_size] = { 0 };
static char LANG_NAME[BUFFER_SIZE];
void init_syscalls_limits(int lang) {
int i;
memset(call_counter, 0, sizeof(call_counter));
if (DEBUG)
write_log("init_call_counter:%d", lang);
if (record_call) { // recording for debuging
for (i = 0; i < call_array_size; i++) {
call_counter[i] = 0;
}
}
else if (lang <= 1 || lang == 13 || lang == 14) { // C & C++
for (i = 0; i == 0 || LANG_CV[i]; i++) {
call_counter[LANG_CV[i]] = HOJ_MAX_LIMIT;
}
}
else if (lang == 2) { // Pascal
for (i = 0; i == 0 || LANG_PV[i]; i++)
call_counter[LANG_PV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 3) { // Java
for (i = 0; i == 0 || LANG_JV[i]; i++)
call_counter[LANG_JV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 4) { // Ruby
for (i = 0; i == 0 || LANG_RV[i]; i++)
call_counter[LANG_RV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 5) { // Bash
for (i = 0; i == 0 || LANG_BV[i]; i++)
call_counter[LANG_BV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 6) { // Python
for (i = 0; i == 0 || LANG_YV[i]; i++)
call_counter[LANG_YV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 7) { // php
for (i = 0; i == 0 || LANG_PHV[i]; i++)
call_counter[LANG_PHV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 8) { // perl
for (i = 0; i == 0 || LANG_PLV[i]; i++)
call_counter[LANG_PLV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 9) { // mono c#
for (i = 0; i == 0 || LANG_CSV[i]; i++)
call_counter[LANG_CSV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 10) { //objective c
for (i = 0; i == 0 || LANG_OV[i]; i++)
call_counter[LANG_OV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 11) { //free basic
for (i = 0; i == 0 || LANG_BASICV[i]; i++)
call_counter[LANG_BASICV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 12) { //scheme guile
for (i = 0; i == 0 || LANG_SV[i]; i++)
call_counter[LANG_SV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 15) { //lua
for (i = 0; i == 0 || LANG_LUAV[i]; i++)
call_counter[LANG_LUAV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 16) { //nodejs
for (i = 0; i == 0 || LANG_JSV[i]; i++)
call_counter[LANG_JSV[i]] = HOJ_MAX_LIMIT;
}
else if (lang == 17) { //go
for (i = 0; i == 0 || LANG_GOV[i]; i++)
call_counter[LANG_GOV[i]] = HOJ_MAX_LIMIT;
}
}
int after_equal(char * c) {
int i = 0;
for (; c[i] != '\0' && c[i] != '='; i++)
;
return ++i;
}
void trim(char * c) {
char buf[BUFFER_SIZE];
char * start, *end;
strcpy(buf, c);
start = buf;
while (isspace(*start))
start++;
end = start;
while (!isspace(*end))
end++;
*end = '\0';
strcpy(c, start);
}
bool read_buf(char * buf, const char * key, char * value) {
if (strncmp(buf, key, strlen(key)) == 0) {
strcpy(value, buf + after_equal(buf));
trim(value);
if (DEBUG)
printf("%s\n", value);
return 1;
}
return 0;
}
void read_double(char * buf, const char * key, double * value) {
char buf2[BUFFER_SIZE];
if (read_buf(buf, key, buf2))
sscanf(buf2, "%lf", value);
}
void read_int(char * buf, const char * key, int * value) {
char buf2[BUFFER_SIZE];
if (read_buf(buf, key, buf2))
sscanf(buf2, "%d", value);
}
FILE * read_cmd_output(const char * fmt, ...) {
char cmd[BUFFER_SIZE];
FILE * ret = NULL;
va_list ap;
va_start(ap, fmt);
vsprintf(cmd, fmt, ap);
va_end(ap);
if (DEBUG)
printf("%s\n", cmd);
ret = popen(cmd, "r");
return ret;
}
// read the configue file
void init_mysql_conf() {
FILE *fp = NULL;
char buf[BUFFER_SIZE];
host_name[0] = 0;
user_name[0] = 0;
password[0] = 0;
db_name[0] = 0;
port_number = 3306;
max_running = 3;
sleep_time = 3;
strcpy(java_xms, "-Xms32m");
strcpy(java_xmx, "-Xmx256m");
sprintf(buf, "%s/etc/judge.conf", oj_home);
fp = fopen("./etc/judge.conf", "re");
if (fp != NULL) {
while (fgets(buf, BUFFER_SIZE - 1, fp)) {
read_buf(buf, "OJ_HOST_NAME", host_name);
read_buf(buf, "OJ_USER_NAME", user_name);
read_buf(buf, "OJ_PASSWORD", password);
read_buf(buf, "OJ_DB_NAME", db_name);
read_int(buf, "OJ_PORT_NUMBER", &port_number);
read_int(buf, "OJ_JAVA_TIME_BONUS", &java_time_bonus);
read_int(buf, "OJ_JAVA_MEMORY_BONUS", &java_memory_bonus);
read_int(buf, "OJ_SIM_ENABLE", &sim_enable);
read_buf(buf, "OJ_JAVA_XMS", java_xms);
read_buf(buf, "OJ_JAVA_XMX", java_xmx);
read_int(buf, "OJ_HTTP_JUDGE", &http_judge);
read_buf(buf, "OJ_HTTP_BASEURL", http_baseurl);
read_buf(buf, "OJ_HTTP_USERNAME", http_username);
read_buf(buf, "OJ_HTTP_PASSWORD", http_password);
read_int(buf, "OJ_HTTP_DOWNLOAD", &http_download);
read_int(buf, "OJ_OI_MODE", &oi_mode);
read_int(buf, "OJ_FULL_DIFF", &full_diff);
read_int(buf, "OJ_SHM_RUN", &shm_run);
read_int(buf, "OJ_USE_MAX_TIME", &use_max_time);
read_int(buf, "OJ_USE_PTRACE", &use_ptrace);
read_int(buf, "OJ_COMPILE_CHROOT", &compile_chroot);
read_int(buf, "OJ_TURBO_MODE", &turbo_mode);
read_double(buf, "OJ_CPU_COMPENSATION", &cpu_compensation);
}
//fclose(fp);
}
// fclose(fp);
if (strcmp(http_username, "IP") == 0) {
FILE * fjobs = read_cmd_output("ifconfig|grep 'inet'|awk -F: '{printf $2}'|awk '{printf $1}'");
fscanf(fjobs, "%s", http_username);
pclose(fjobs);
}
if (strcmp(http_username, "HOSTNAME") == 0) {
strcpy(http_username, getenv("HOSTNAME"));
}
if (turbo_mode == 2) tbname = "solution2";
}
int isInFile(const char fname[]) {
int l = strlen(fname);
if (l <= 3 || strcmp(fname + l - 3, ".in") != 0)
return 0;
else
return l - 3;
}
void find_next_nonspace(int & c1, int & c2, FILE *& f1, FILE *& f2, int & ret) {
// Find the next non-space character or \n.
while ((isspace(c1)) || (isspace(c2))) {
if (c1 != c2) {
if (c2 == EOF) {
do {
c1 = fgetc(f1);
} while (isspace(c1));
continue;
}
else if (c1 == EOF) {
do {
c2 = fgetc(f2);
} while (isspace(c2));
continue;
#ifdef IGNORE_ESOL
}
else if (isspace(c1) && isspace(c2)) {
while (c2 == '\n'&&isspace(c1) && c1 != '\n') c1 = fgetc(f1);
while (c1 == '\n'&&isspace(c2) && c2 != '\n') c2 = fgetc(f2);
#else
}
else if ((c1 == '\r' && c2 == '\n')) {
c1 = fgetc(f1);
}
else if ((c2 == '\r' && c1 == '\n')) {
c2 = fgetc(f2);
#endif
}
else {
if (DEBUG)
printf("%d=%c\t%d=%c", c1, c1, c2, c2);
;
ret = OJ_PE;
}
}
if (isspace(c1)) {
c1 = fgetc(f1);
}
if (isspace(c2)) {
c2 = fgetc(f2);
}
}
}
/***
int compare_diff(const char *file1,const char *file2){
char diff[1024];
sprintf(diff,"diff -q -B -b -w --strip-trailing-cr %s %s",file1,file2);
int d=system(diff);
if (d) return OJ_WA;
sprintf(diff,"diff -q -B --strip-trailing-cr %s %s",file1,file2);
int p=system(diff);
if (p) return OJ_PE;
else return OJ_AC;
}
*/
const char * getFileNameFromPath(const char * path) {
for (int i = strlen(path); i >= 0; i--) {
if (path[i] == '/')
return &path[i + 1];
}
return path;
}
void make_diff_out_full(FILE *f1, FILE *f2, int c1, int c2, const char * path) {
execute_cmd("echo '========[%s]========='>>diff.out", getFileNameFromPath(path));
execute_cmd("echo '------test in top 100 lines------'>>diff.out");
execute_cmd("head -100 data.in>>diff.out");
execute_cmd("echo '------test out top 100 lines-----'>>diff.out");
execute_cmd("head -100 '%s'>>diff.out", path);
execute_cmd("echo '------user out top 100 lines-----'>>diff.out");
execute_cmd("head -100 user.out>>diff.out");
execute_cmd("echo '------diff out 200 lines-----'>>diff.out");
execute_cmd("diff '%s' user.out -y|head -200>>diff.out", path);
execute_cmd("echo '=============================='>>diff.out");
}
void make_diff_out_simple(FILE *f1, FILE *f2, int c1, int c2, const char * path) {
execute_cmd("echo '========[%s]========='>>diff.out", getFileNameFromPath(path));
execute_cmd("echo 'Expected | Yours'>>diff.out");
execute_cmd("diff '%s' user.out -y|head -100>>diff.out", path);
execute_cmd("echo '\n=============================='>>diff.out");
}
/*
* translated from ZOJ judger r367
* http://code.google.com/p/zoj/source/browse/trunk/judge_client/client/text_checker.cc#25
*
*/
int compare_zoj(const char *file1, const char *file2) {
int ret = OJ_AC;
int c1, c2;
FILE * f1, *f2;
f1 = fopen(file1, "re");
f2 = fopen(file2, "re");
if (!f1 || !f2) {
ret = OJ_RE;
}
else
for (;;) {
// Find the first non-space character at the beginning of line.
// Blank lines are skipped.
c1 = fgetc(f1);
c2 = fgetc(f2);
find_next_nonspace(c1, c2, f1, f2, ret);
// Compare the current line.
for (;;) {
// Read until 2 files return a space or 0 together.
while ((!isspace(c1) && c1) || (!isspace(c2) && c2)) {
if (c1 == EOF && c2 == EOF) {
goto end;
}
if (c1 == EOF || c2 == EOF) {
break;
}
if (c1 != c2) {
// Consecutive non-space characters should be all exactly the same
ret = OJ_WA;
goto end;
}
c1 = fgetc(f1);
c2 = fgetc(f2);
}
find_next_nonspace(c1, c2, f1, f2, ret);
if (c1 == EOF && c2 == EOF) {
goto end;
}
if (c1 == EOF || c2 == EOF) {
ret = OJ_WA;
goto end;
}
if ((c1 == '\n' || !c1) && (c2 == '\n' || !c2)) {
break;
}
}
}
end:
if (ret == OJ_WA || ret == OJ_PE) {
if (full_diff)
make_diff_out_full(f1, f2, c1, c2, file1);
else
make_diff_out_simple(f1, f2, c1, c2, file1);
}
if (f1)
fclose(f1);
if (f2)
fclose(f2);
return ret;
}
void delnextline(char s[]) {
int L;
L = strlen(s);
while (L > 0 && (s[L - 1] == '\n' || s[L - 1] == '\r'))
s[--L] = 0;
}
int compare(const char *file1, const char *file2) {
#ifdef ZOJ_COM
//compare ported and improved from zoj don't limit file size
return compare_zoj(file1, file2);
#endif
#ifndef ZOJ_COM
//the original compare from the first version of hustoj has file size limit
//and waste memory
FILE *f1, *f2;
char *s1, *s2, *p1, *p2;
int PEflg;
s1 = new char[STD_F_LIM + 512];
s2 = new char[STD_F_LIM + 512];
if (!(f1 = fopen(file1, "re")))
return OJ_AC;
for (p1 = s1; EOF != fscanf(f1, "%s", p1);)
while (*p1) p1++;
fclose(f1);
if (!(f2 = fopen(file2, "re")))
return OJ_RE;
for (p2 = s2; EOF != fscanf(f2, "%s", p2);)
while (*p2) p2++;
fclose(f2);
if (strcmp(s1, s2) != 0) {
// printf("A:%s\nB:%s\n",s1,s2);
delete[] s1;
delete[] s2;
return OJ_WA;
}
else {
f1 = fopen(file1, "re");
f2 = fopen(file2, "re");
PEflg = 0;
while (PEflg == 0 && fgets(s1, STD_F_LIM, f1) && fgets(s2, STD_F_LIM, f2)) {
delnextline(s1);
delnextline(s2);
if (strcmp(s1, s2) == 0) continue;
else PEflg = 1;
}
delete[] s1;
delete[] s2;
fclose(f1); fclose(f2);
if (PEflg) return OJ_PE;
else return OJ_AC;
}
#endif
}
bool check_login() {
const char * cmd =
" wget --post-data=\"checklogin=1\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
int ret = 0;
FILE * fjobs = read_cmd_output(cmd, http_baseurl);
fscanf(fjobs, "%d", &ret);
pclose(fjobs);
return ret;
}
void login() {
if (!check_login()) {
const char * cmd =
"wget --post-data=\"user_id=%s&password=%s\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/login.php\"";
FILE * fjobs = read_cmd_output(cmd, http_username, http_password,
http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
}
#ifdef _mysql_h
/* write result back to database */
void _update_solution_mysql(int solution_id, int result, int time, int memory,
int sim, int sim_s_id, double pass_rate) {
char sql[BUFFER_SIZE];
if (oi_mode) {
sprintf(sql,
"UPDATE %s SET result=%d,time=%d,memory=%d,pass_rate=%f,judger='%s',judgetime=now() WHERE solution_id=%d LIMIT 1%c",
tbname, result, time, memory, pass_rate, http_username, solution_id, 0);
}
else {
sprintf(sql,
"UPDATE %s SET result=%d,time=%d,memory=%d,judger='%s',judgetime=now() WHERE solution_id=%d LIMIT 1%c",
tbname, result, time, memory, http_username, solution_id, 0);
}
// printf("sql= %s\n",sql);
if (mysql_real_query(conn, sql, strlen(sql))) {
// printf("..update failed! %s\n",mysql_error(conn));
}
if (sim) {
sprintf(sql,
"insert into sim(s_id,sim_s_id,sim) values(%d,%d,%d) on duplicate key update sim_s_id=%d,sim=%d",
solution_id, sim_s_id, sim, sim_s_id, sim);
// printf("sql= %s\n",sql);
if (mysql_real_query(conn, sql, strlen(sql))) {
// printf("..update failed! %s\n",mysql_error(conn));
}
}
}
#endif
void _update_solution_http(int solution_id, int result, int time, int memory,
int sim, int sim_s_id, double pass_rate) {
const char * cmd =
" wget --post-data=\"update_solution=1&sid=%d&result=%d&time=%d&memory=%d&sim=%d&simid=%d&pass_rate=%f\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
FILE * fjobs = read_cmd_output(cmd, solution_id, result, time, memory, sim,
sim_s_id, pass_rate, http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
void update_solution(int solution_id, int result, int time, int memory, int sim,
int sim_s_id, double pass_rate) {
if (result == OJ_TL && memory == 0)
result = OJ_ML;
if (http_judge) {
_update_solution_http(solution_id, result, time, memory, sim, sim_s_id,
pass_rate);
}
else {
#ifdef _mysql_h
_update_solution_mysql(solution_id, result, time, memory, sim, sim_s_id,
pass_rate);
#endif
}
}
/* write compile error message back to database */
#ifdef _mysql_h
void _addceinfo_mysql(int solution_id) {
char sql[(1 << 16)], *end;
char ceinfo[(1 << 16)], *cend;
FILE *fp = fopen("ce.txt", "re");
snprintf(sql, (1 << 16) - 1, "DELETE FROM compileinfo WHERE solution_id=%d",
solution_id);
mysql_real_query(conn, sql, strlen(sql));
cend = ceinfo;
while (fgets(cend, 1024, fp)) {
cend += strlen(cend);
if (cend - ceinfo > 40000)
break;
}
cend = 0;
end = sql;
strcpy(end, "INSERT INTO compileinfo VALUES(");
end += strlen(sql);
*end++ = '\'';
end += sprintf(end, "%d", solution_id);
*end++ = '\'';
*end++ = ',';
*end++ = '\'';
end += mysql_real_escape_string(conn, end, ceinfo, strlen(ceinfo));
*end++ = '\'';
*end++ = ')';
*end = 0;
// printf("%s\n",ceinfo);
if (mysql_real_query(conn, sql, end - sql))
printf("%s\n", mysql_error(conn));
fclose(fp);
}
#endif
// urlencoded function copied from http://www.geekhideout.com/urlcode.shtml
/* Converts a hex character to its integer value */
char from_hex(char ch) {
return isdigit(ch) ? ch - '0' : tolower(ch) - 'a' + 10;
}
/* Converts an integer value to its hex character*/
char to_hex(char code) {
static char hex[] = "0123456789abcdef";
return hex[code & 15];
}
/* Returns a url-encoded version of str */
/* IMPORTANT: be sure to free() the returned string after use */
char *url_encode(char *str) {
char *pstr = str, *buf = (char *)malloc(strlen(str) * 3 + 1), *pbuf = buf;
while (*pstr) {
if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.'
|| *pstr == '~')
*pbuf++ = *pstr;
else if (*pstr == ' ')
*pbuf++ = '+';
else
*pbuf++ = '%', *pbuf++ = to_hex(*pstr >> 4), *pbuf++ = to_hex(
*pstr & 15);
pstr++;
}
*pbuf = '\0';
return buf;
}
void _addceinfo_http(int solution_id) {
char ceinfo[(1 << 16)], *cend;
char * ceinfo_encode;
FILE *fp = fopen("ce.txt", "re");
cend = ceinfo;
while (fgets(cend, 1024, fp)) {
cend += strlen(cend);
if (cend - ceinfo > 40000)
break;
}
fclose(fp);
ceinfo_encode = url_encode(ceinfo);
FILE * ce = fopen("ce.post", "we");
fprintf(ce, "addceinfo=1&sid=%d&ceinfo=%s", solution_id, ceinfo_encode);
fclose(ce);
free(ceinfo_encode);
const char * cmd =
" wget --post-file=\"ce.post\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
FILE * fjobs = read_cmd_output(cmd, http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
void addceinfo(int solution_id) {
if (http_judge) {
_addceinfo_http(solution_id);
}
else {
#ifdef _mysql_h
_addceinfo_mysql(solution_id);
#endif
}
}
/* write runtime error message back to database */
#ifdef _mysql_h
void _addreinfo_mysql(int solution_id, const char * filename) {
char sql[(1 << 16)], *end;
char reinfo[(1 << 16)], *rend;
FILE *fp = fopen(filename, "re");
snprintf(sql, (1 << 16) - 1, "DELETE FROM runtimeinfo WHERE solution_id=%d",
solution_id);
mysql_real_query(conn, sql, strlen(sql));
rend = reinfo;
while (fgets(rend, 1024, fp)) {
rend += strlen(rend);
if (rend - reinfo > 40000)
break;
}
rend = 0;
end = sql;
strcpy(end, "INSERT INTO runtimeinfo VALUES(");
end += strlen(sql);
*end++ = '\'';
end += sprintf(end, "%d", solution_id);
*end++ = '\'';
*end++ = ',';
*end++ = '\'';
end += mysql_real_escape_string(conn, end, reinfo, strlen(reinfo));
*end++ = '\'';
*end++ = ')';
*end = 0;
// printf("%s\n",ceinfo);
if (mysql_real_query(conn, sql, end - sql))
printf("%s\n", mysql_error(conn));
fclose(fp);
}
#endif
void _addreinfo_http(int solution_id, const char * filename) {
char reinfo[(1 << 16)], *rend;
char * reinfo_encode;
FILE *fp = fopen(filename, "re");
rend = reinfo;
while (fgets(rend, 1024, fp)) {
rend += strlen(rend);
if (rend - reinfo > 40000)
break;
}
fclose(fp);
reinfo_encode = url_encode(reinfo);
FILE * re = fopen("re.post", "we");
fprintf(re, "addreinfo=1&sid=%d&reinfo=%s", solution_id, reinfo_encode);
fclose(re);
free(reinfo_encode);
const char * cmd =
" wget --post-file=\"re.post\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
FILE * fjobs = read_cmd_output(cmd, http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
void addreinfo(int solution_id) {
if (http_judge) {
_addreinfo_http(solution_id, "error.out");
}
else {
#ifdef _mysql_h
_addreinfo_mysql(solution_id, "error.out");
#endif
}
}
void adddiffinfo(int solution_id) {
if (http_judge) {
_addreinfo_http(solution_id, "diff.out");
}
else {
#ifdef _mysql_h
_addreinfo_mysql(solution_id, "diff.out");
#endif
}
}
void addcustomout(int solution_id) {
if (http_judge) {
_addreinfo_http(solution_id, "user.out");
}
else {
#ifdef _mysql_h
_addreinfo_mysql(solution_id, "user.out");
#endif
}
}
#ifdef _mysql_h
void _update_user_mysql(char * user_id) {
char sql[BUFFER_SIZE];
sprintf(sql,
"UPDATE `users` SET `solved`=(SELECT count(DISTINCT `problem_id`) FROM `solution` WHERE `user_id`=\'%s\' AND `result`=\'4\') WHERE `user_id`=\'%s\'",
user_id, user_id);
if (mysql_real_query(conn, sql, strlen(sql)))
write_log(mysql_error(conn));
sprintf(sql,
"UPDATE `users` SET `submit`=(SELECT count(*) FROM `solution` WHERE `user_id`=\'%s\' and problem_id>0) WHERE `user_id`=\'%s\'",
user_id, user_id);
if (mysql_real_query(conn, sql, strlen(sql)))
write_log(mysql_error(conn));
}
#endif
void _update_user_http(char * user_id) {
const char * cmd =
" wget --post-data=\"updateuser=1&user_id=%s\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
FILE * fjobs = read_cmd_output(cmd, user_id, http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
void update_user(char * user_id) {
if (http_judge) {
_update_user_http(user_id);
}
else {
#ifdef _mysql_h
_update_user_mysql(user_id);
#endif
}
}
void _update_problem_http(int pid) {
const char * cmd =
" wget --post-data=\"updateproblem=1&pid=%d\" --load-cookies=cookie --save-cookies=cookie --keep-session-cookies -q -O - \"%s/admin/problem_judge.php\"";
FILE * fjobs = read_cmd_output(cmd, pid, http_baseurl);
//fscanf(fjobs,"%d",&ret);
pclose(fjobs);
}
#ifdef _mysql_h
void _update_problem_mysql(int p_id) {
char sql[BUFFER_SIZE];
sprintf(sql,
"UPDATE `problem` SET `accepted`=(SELECT count(*) FROM `solution` WHERE `problem_id`=\'%d\' AND `result`=\'4\') WHERE `problem_id`=\'%d\'",
p_id, p_id);
if (mysql_real_query(conn, sql, strlen(sql)))
write_log(mysql_error(conn));
sprintf(sql,
"UPDATE `problem` SET `submit`=(SELECT count(*) FROM `solution` WHERE `problem_id`=\'%d\') WHERE `problem_id`=\'%d\'",
p_id, p_id);
if (mysql_real_query(conn, sql, strlen(sql)))
write_log(mysql_error(conn));
}
#endif
void update_problem(int pid) {
if (http_judge) {
_update_problem_http(pid);
}
else {
#ifdef _mysql_h
_update_problem_mysql(pid);
#endif
}
}
void umount(char * work_dir) {
execute_cmd("/bin/umount -f %s/proc", work_dir);
execute_cmd("/bin/umount -f %s/dev ", work_dir);
execute_cmd("/bin/umount -f %s/lib ", work_dir);
execute_cmd("/bin/umount -f %s/lib64 ", work_dir);
execute_cmd("/bin/umount -f %s/etc/alternatives ", work_dir);
execute_cmd("/bin/umount -f %s/usr ", work_dir);
execute_cmd("/bin/umount -f %s/bin ", work_dir);
execute_cmd("/bin/umount -f %s/proc ", work_dir);
execute_cmd("/bin/umount -f bin usr lib lib64 etc/alternatives proc dev ");
execute_cmd("/bin/umount -f %s/* ", work_dir);
execute_cmd("/bin/umount -f %s/log/* ", work_dir);
execute_cmd("/bin/umount -f %s/log/etc/alternatives ", work_dir);
}
int compile(int lang, char * work_dir) {
int pid;
const char * CP_C[] = { "gcc","Main.c", "-o", "Main","-O2", "-fmax-errors=10", "-Wall",
"-lm", "--static","-std=c99", "-DONLINE_JUDGE", NULL };
const char * CP_X[] = { "g++", "-fno-asm","-O2", "-fmax-errors=10", "-Wall",
"-lm", "--static", "-std=c++11", "-DONLINE_JUDGE", "-o", "Main", "Main.cc", NULL };
const char * CP_P[] =
{ "fpc", "Main.pas","-Cs32000000","-Sh", "-O2", "-Co", "-Ct", "-Ci", NULL };
// const char * CP_J[] = { "javac", "-J-Xms32m", "-J-Xmx256m","-encoding","UTF-8", "Main.java",NULL };
const char * CP_R[] = { "ruby", "-c", "Main.rb", NULL };
const char * CP_B[] = { "chmod", "+rx", "Main.sh", NULL };
//const char * CP_Y[] = { "python", "-c",
// "import py_compile; py_compile.compile(r'Main.py')", NULL };
const char * CP_PH[] = { "php", "-l", "Main.php", NULL };
const char * CP_PL[] = { "perl", "-c", "Main.pl", NULL };
const char * CP_CS[] = { "gmcs", "-warn:0", "Main.cs", NULL };
const char * CP_OC[] = { "gcc", "-o", "Main", "Main.m",
"-fconstant-string-class=NSConstantString", "-I",
"/usr/include/GNUstep/", "-L", "/usr/lib/GNUstep/Libraries/",
"-lobjc", "-lgnustep-base", NULL };
const char * CP_BS[] = { "fbc","-lang","qb", "Main.bas", NULL };
const char * CP_CLANG[] = { "clang", "Main.c", "-o", "Main", "-ferror-limit=10", "-fno-asm", "-Wall",
"-lm", "--static", "-std=c99", "-DONLINE_JUDGE", NULL };
const char * CP_CLANG_CPP[] = { "clang++", "Main.cc", "-o", "Main", "-ferror-limit=10", "-fno-asm", "-Wall",
"-lm", "--static", "-std=c++0x", "-DONLINE_JUDGE", NULL };
const char * CP_LUA[] = { "luac","-o","Main", "Main.lua", NULL };
//const char * CP_JS[] = { "js24","-c", "Main.js", NULL };
const char * CP_GO[] = { "go","build","-o","Main","Main.go", NULL };
char javac_buf[7][32];
char *CP_J[7];
for (int i = 0; i < 7; i++)
CP_J[i] = javac_buf[i];