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 *  You should have received a copy of the GNU General Public License
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 */
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 */
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                /* student score management, definitions */
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/* student score management, definitions */
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#include <utime.h>
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#include <utime.h>
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#include <sys/socket.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/un.h>
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#include "../Lib/libwims.h"
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#include "../Lib/libwims.h"
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#include "../wims.h"
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        /* how many seconds in a minute? */
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/* how many seconds in a minute? */
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#define MINLENGTH 47
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#define MINLENGTH 47
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        /* maximal running minutes, in order to avoid leaking */
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/* maximal running minutes, in order to avoid leaking */
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#define MAX_MIN 300
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#define MAX_MIN 300
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        /* queue of socket requests */
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/* queue of socket requests */
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#define SOCKET_QUEUE 32
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#define SOCKET_QUEUE 32
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        /* socket buffer length */
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/* socket buffer length */
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#define BUFFERLEN (MAX_LINELEN+sizeof(scoreresult)*MAX_CLASSEXOS)
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#define BUFFERLEN (MAX_LINELEN+sizeof(scoreresult)*MAX_CLASSEXOS)
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        /* number of log lines */
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/* number of log lines */
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#define MAX_LOGLINES (102400)
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#define MAX_LOGLINES (102400)
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        /* cuttime buffer, for all exams in a class */
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/* cuttime buffer, for all exams in a class */
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#define CTBUFLEN 4096
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#define CTBUFLEN 4096
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        /* text buffer length in a sheet cache */
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/* text buffer length in a sheet cache */
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#define SHEETBUFLEN 8192
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#define SHEETBUFLEN 8192
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        /* number of cached classes */
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/* number of cached classes */
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        /* Storage requirement: about MAX_CLASSCACHE*(MAX_CLASSEXOS*10+CTBUFLEN) bytes. */
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/* Storage requirement: about MAX_CLASSCACHE*(MAX_CLASSEXOS*10+CTBUFLEN) bytes. */
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#define MAX_CLASSCACHE 20
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#define MAX_CLASSCACHE 20
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        /* number of cached sheets */
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/* number of cached sheets */
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        /* Storage requirement: about MAX_SHEETCACHE*SHEETBUFLEN bytes. */
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/* Storage requirement: about MAX_SHEETCACHE*SHEETBUFLEN bytes. */
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#define MAX_SHEETCACHE 32
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#define MAX_SHEETCACHE 32
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        /* Refreshment rate for class caches, in seconds */
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/* Refreshment rate for class caches, in seconds */
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#define CLASSCACHE_DELAY 100
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#define CLASSCACHE_DELAY 100
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        /* Refreshment rate for sheet caches, in seconds */
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/* Refreshment rate for sheet caches, in seconds */
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#define SHEETCACHE_DELAY 50
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#define SHEETCACHE_DELAY 50
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        /* Maximal debug file length. Debug will be activated once the debug file exists. */
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/* Maximal debug file length. Debug will be activated once the debug file exists. */
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#define MAX_DEBUGLENGTH 1000000
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#define MAX_DEBUGLENGTH 1000000
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        /* delay before ins files are erased. In seconds */
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/* delay before ins files are erased. In seconds */
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#define INS_DELAY 500
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#define INS_DELAY 500
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#define evalue strevalue
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#define evalue strevalue
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#define tmpd "tmp/log"
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#define tmpd "tmp/log"
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#define classd "log/classes"
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#define classd "log/classes"
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#define logd "log"
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#define logd "log"
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#define pidfile "tmp/log/wimslogd.pid"
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#define pidfile "tmp/log/wimslogd.pid"
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#define sockfile "tmp/log/.wimslogd"
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#define sockfile "tmp/log/.wimslogd"
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#define debugfile "tmp/log/wimslogd.debug"
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#define debugfile "tmp/log/wimslogd.debug"
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/* from cache.c */
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typedef struct exodata {
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    unsigned short int num;
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    float weight, require;
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} exodata; /* General information of an exercise. Size: 10 bytes. */
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extern struct classdata {
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    char name[MAX_CLASSLEN+1];
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    time_t start, last, modif;
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    int exocnt, examcnt, examstart, access;
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    struct exodata exos[MAX_CLASSEXOS];
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    char ctbuf[CTBUFLEN];
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    short int ctptr[MAX_EXOS];
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} classdata[MAX_CLASSCACHE];
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int search_data(void *list, int items, size_t item_size, unsigned short int t);
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struct classdata *getclasscache(char *cl);
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extern char opt_class[MAX_CLASSLEN+1];
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extern char **environ;
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extern int classcaches, sheetcaches;
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void cleancache(void);
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/* from cleaning.c */
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void cleaning(int withmain); /* Clean obsolete session directories. */
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/* from cmd.c */
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extern struct cmdlist {
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    char *name;
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    void (*routine) (char *p);
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} cmdlist[];
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extern int cmdcnt;
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/* from homedir.c */
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void homedir(void);
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/* from housekeep.c */
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void backup(void);
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void housekeep(void);
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void modupdate(void); /* module update */
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/* from options.c */
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extern int options(void);
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extern char opt_user[MAX_FNAME+1];
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void cmd(void);
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/* from score.c */
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void cmd_getscore(char *p);
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void cmd_scorelog(char *p);
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/* from socket.c */
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void sockerror(int type, char *p,...);
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void opensock(void);
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void answer(int fh);
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/* from wimslogd.c */
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extern char cwd[MAX_FNAME+1];
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extern int cwdtype;
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enum {dir_home, dir_class, dir_session, dir_module};
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extern char qbuf[MAX_LINELEN+1]; /* quota buffer */
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extern char ipbuf[64];
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extern char loadavg[MAX_LINELEN+1]; /* dans wims.h extern char loadavg[64];*/
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extern time_t nowtime, lastcleantime;
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extern int idle_time, idle_time2, idle_time3, anti_time;
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extern char keepdate[32];
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extern char nowstr[64];
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extern char mupdate[32], backdate[32];
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extern int GEN_LOG_LIMIT, MODULE_LOG_LIMIT, OLD_LOG_FILES;
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/* from fork.c */
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extern int forkcnt;
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void addfork(pid_t pid, int type);
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void forkman(int kz);
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void wait_children(void);
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void dispatch_log(void);
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/*from files.c */
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/* read the content of a file */
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void readfile(char *fname, char buf[], long int buflen);
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/* datafile structure: number of records.
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 * tag=1 if direct access
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 */
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unsigned int datafile_recordnum(char *p);
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/* datafile structure: find record n, starting from 1 */
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char *datafile_fnd_record(char *p, int n, char bf[]);
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int ftest(char *fname);
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enum{is_file, is_dir, is_exec, is_fifo, is_socket, is_unknown};
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/* from wimslogdlines.c */
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void error(char *msg);
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extern int commsock, answerlen, debugging;
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extern char commbuf[BUFFERLEN+1];
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#define textbuf (commbuf+sizeof(int))
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void debug(char *p,...);
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extern char *textptr;
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void accessfile(char *content, char *type, char *s,...);
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int call_ssh(int wait,char *s,...);
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int call_sh(int wait,char *s,...);
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extern int exec_wait;