path: root/innbbsd/innbbsd.c

#include "bbs.h"
#include "innbbsconf.h"
#include "daemon.h"
#include "innbbsd.h"
#include <dirent.h>
#include "bbslib.h"
#include "inntobbs.h"
#include "nntp.h"
#include "externs.h"
#include "his.h"

#ifdef GETRUSAGE
#include <sys/time.h>
#include <sys/resource.h>
#endif

#ifdef STDC
#ifndef ARG
#define ARG(x) (x)
#else
#define ARG(x) ()
#endif
#endif

/*
 * <  add <mid> <recno> ... >  200 OK <  quit 500 BYE
 * 
 * >  300 DBZ Server ... <  query <mid> >  250 <recno> ... >  450 NOT FOUND!
 */

static int CMDhelp ARG((ClientType *));
static int CMDquit ARG((ClientType *));
static int CMDihave ARG((ClientType *));
static int CMDstat ARG((ClientType *));
static int CMDaddhist ARG((ClientType *));
static int CMDgrephist ARG((ClientType *));
static int CMDmidcheck ARG((ClientType *));
static int CMDshutdown ARG((ClientType *));
static int CMDmode ARG((ClientType *));
static int CMDreload ARG((ClientType *));
static int CMDhismaint ARG((ClientType *));
static int CMDverboselog ARG((ClientType *));
static int CMDlistnodelist ARG((ClientType *));
static int CMDlistnewsfeeds ARG((ClientType *));

#ifdef GETRUSAGE
static int CMDgetrusage ARG((ClientType *));
static int CMDmallocmap ARG((ClientType *));
#endif

static daemoncmd_t cmds[] =
/* cmd-name, cmd-usage, min-argc, max-argc, errorcode, normalcode, cmd-func */
{{"help", "help [cmd]", 1, 2, 99, 100, CMDhelp},
{"quit", "quit", 1, 0, 99, 100, CMDquit},
#ifndef DBZSERVER
{"ihave", "ihave mid", 2, 2, 435, 335, CMDihave},
#endif
{"stat", "stat mid", 2, 2, 223, 430, CMDstat},
{"addhist", "addhist <mid> <path>", 3, 3, NNTP_ADDHIST_BAD, NNTP_ADDHIST_OK, CMDaddhist},
{"grephist", "grephist <mid>", 2, 2, NNTP_GREPHIST_BAD, NNTP_GREPHIST_OK, CMDgrephist},
{"midcheck", "midcheck [on|off]", 1, 2, NNTP_MIDCHECK_BAD, NNTP_MIDCHECK_OK, CMDmidcheck},
{"shutdown", "shutdown (local)", 1, 1, NNTP_SHUTDOWN_BAD, NNTP_SHUTDOWN_OK, CMDshutdown},
{"mode", "mode (local)", 1, 1, NNTP_MODE_BAD, NNTP_MODE_OK, CMDmode},
{"listnodelist", "listnodelist (local)", 1, 1, NNTP_MODE_BAD, NNTP_MODE_OK, CMDlistnodelist},
{"listnewsfeeds", "listnewsfeeds (local)", 1, 1, NNTP_MODE_BAD, NNTP_MODE_OK, CMDlistnewsfeeds},
{"reload", "reload (local)", 1, 1, NNTP_RELOAD_BAD, NNTP_RELOAD_OK, CMDreload},
{"hismaint", "hismaint (local)", 1, 1, NNTP_RELOAD_BAD, NNTP_RELOAD_OK, CMDhismaint},
{"verboselog", "verboselog [on|off](local)", 1, 2, NNTP_VERBOSELOG_BAD, NNTP_VERBOSELOG_OK, CMDverboselog},
#ifdef GETRUSAGE
{"getrusage", "getrusage (local)", 1, 1, NNTP_MODE_BAD, NNTP_MODE_OK, CMDgetrusage},
#endif
#ifdef MALLOCMAP
{"mallocmap", "mallocmap (local)", 1, 1, NNTP_MODE_BAD, NNTP_MODE_OK, CMDmallocmap},
#endif
{NULL, NULL, 0, 0, 99, 100, NULL}
};

void
installinnbbsd(void)
{
    installdaemon(cmds, 100, NULL);
}

#ifdef OLDLIBINBBSINND
void
testandmkdir(dir)
    char           *dir;
{
    if (!dashd(dir)) {
    char            path[MAXPATHLEN + 12];
    sprintf(path, "mkdir -p %s", dir);
    system(path);
    }
}

static char     splitbuf[2048];
static char     joinbuf[1024];
#define MAXTOK 50
static char    *Splitptr[MAXTOK];
char          **
split(line, pat)
    char           *line, *pat;
{
    char           *p;
    int             i;

    for (i = 0; i < MAXTOK; ++i)
    Splitptr[i] = NULL;
    strncpy(splitbuf, line, sizeof splitbuf - 1);
    /* printf("%d %d\n",strlen(line),strlen(splitbuf)); */
    splitbuf[sizeof splitbuf - 1] = '\0';
    for (i = 0, p = splitbuf; *p && i < MAXTOK - 1;) {
    for (Splitptr[i++] = p; *p && !strchr(pat, *p); p++);
    if (*p == '\0')
        break;
    for (*p++ = '\0'; *p && strchr(pat, *p); p++);
    }
    return Splitptr;
}

char          **
BNGsplit(line)
    char           *line;
{
    char          **ptr = split(line, ",");
    newsfeeds_t    *nf1, *nf2;
    char           *n11, *n12, *n21, *n22;
    int             i, j;
    for (i = 0; ptr[i] != NULL; i++) {
    nf1 = (newsfeeds_t *) search_group(ptr[i]);
    for (j = i + 1; ptr[j] != NULL; j++) {
        if (strcmp(ptr[i], ptr[j]) == 0) {
        *ptr[j] = '\0';
        continue;
        }
        nf2 = (newsfeeds_t *) search_group(ptr[j]);
        if (nf1 && nf2) {
        if (strcmp(nf1->board, nf2->board) == 0) {
            *ptr[j] = '\0';
            continue;
        }
        for (n11 = nf1->board, n12 = (char *)strchr(n11, ',');
             n11 && *n11; n12 = (char *)strchr(n11, ',')) {
            if (n12)
            *n12 = '\0';
            for (n21 = nf2->board, n22 = (char *)strchr(n21, ',');
             n21 && *n21; n22 = (char *)strchr(n21, ',')) {
            if (n22)
                *n22 = '\0';
            if (strcmp(n11, n21) == 0) {
                *n21 = '\t';
            }
            if (n22) {
                *n22 = ',';
                n21 = n22 + 1;
            } else
                break;
            }
            if (n12) {
            *n12 = ',';
            n11 = n12 + 1;
            } else
            break;
        }
        }
    }
    }
    return ptr;
}

char          **
ssplit(line, pat)
    char           *line, *pat;
{
    char           *p;
    int             i;
    for (i = 0; i < MAXTOK; ++i)
    Splitptr[i] = NULL;
    strncpy(splitbuf, line, 1024);
    for (i = 0, p = splitbuf; *p && i < MAXTOK;) {
    for (Splitptr[i++] = p; *p && !strchr(pat, *p); p++);
    if (*p == '\0')
        break;
    *p = 0;
    p++;
    /* for (*p='\0'; strchr(pat,*p);p++); */
    }
    return Splitptr;
}

char           *
join(lineptr, pat, num)
    char          **lineptr, *pat;
    int             num;
{
    int             i;
    joinbuf[0] = '\0';
    if (lineptr[0] != NULL)
    strncpy(joinbuf, lineptr[0], 1024);
    else {
    joinbuf[0] = '\0';
    return joinbuf;
    }
    for (i = 1; i < num; i++) {
    strcat(joinbuf, pat);
    if (lineptr[i] != NULL)
        strcat(joinbuf, lineptr[i]);
    else
        break;
    }
    return joinbuf;
}

#endif

static int 
CMDtnrpd(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    fprintf(argv->out, "%d %s\n", argv->dc->usage);
    return 0;
}

int
islocalconnect(client)
    ClientType     *client;
{
    if (strcmp(client->username, "localuser") != 0 ||
    strcmp(client->hostname, "localhost") != 0)
    return 0;
    return 1;
}

static int      shutdownflag = 0;
void
INNBBSDhalt()
{
    shutdownflag = 1;
}

int 
INNBBSDshutdown(void)
{
    return shutdownflag;
}

static int 
CMDshutdown(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d shutdown access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Shutdown Put: %d shutdown access denied\n", p->errorcode);
    return 1;
    }
    shutdownflag = 1;
    fprintf(argv->out, "%d shutdown starting\r\n", p->normalcode);
    fflush(argv->out);
    verboselog("Shutdown Put: %d shutdown starting\n", p->normalcode);
    return 1;
}

static int 
CMDmode(client)
    ClientType     *client;
{
    /* char cwdpath[MAXPATHLEN+1]; */
    argv_t         *argv = &client->Argv;
    extern ClientType INNBBSD_STAT;
    daemoncmd_t    *p = argv->dc;
    time_t          uptime, now;
    int             i, j;
    time_t          lasthist;
    ClientType     *client1 = &INNBBSD_STAT;

    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d mode access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Mode Put: %d mode access denied\n", p->errorcode);
    return 1;
    }
    fprintf(argv->out, "%d mode\r\n", p->normalcode);
    fflush(argv->out);
    verboselog("Mode Put: %d mode\n", p->normalcode);
    uptime = innbbsdstartup();
    time(&now);
    fprintf(argv->out, "up since %salive %.2f days\r\n", ctime(&uptime), (double)(now - innbbsdstartup()) / 86400);
    fprintf(argv->out, "BBSHOME %s\r\n", BBSHOME);
    fprintf(argv->out, "MYBBSID %s\r\n", MYBBSID);
    fprintf(argv->out, "ECHOMAIL %s\r\n", ECHOMAIL);
    fprintf(argv->out, "INNDHOME %s\r\n", INNDHOME);
    fprintf(argv->out, "HISTORY %s\r\n", HISTORY);
    fprintf(argv->out, "LOGFILE %s\r\n", LOGFILE);
    fprintf(argv->out, "INNBBSCONF %s\r\n", INNBBSCONF);
    fprintf(argv->out, "BBSFEEDS %s\r\n", BBSFEEDS);
    fprintf(argv->out, "Verbose log: %s\r\n", isverboselog() ? "ON" : "OFF");
    fprintf(argv->out, "History Expire Days %d\r\n", Expiredays);
    fprintf(argv->out, "History Expire Time %d:%d\r\n", His_Maint_Hour, His_Maint_Min);
    lasthist = gethisinfo();
    if (lasthist > 0) {
    time_t          keep = lasthist, keep1;
    time(&now);
    fprintf(argv->out, "Oldest history entry created: %s", (char *)ctime(&keep));
    keep = Expiredays * 86400 * 2 + lasthist;
    keep1 = keep - now;
    fprintf(argv->out, "Next time to maintain history: (%.2f days later) %s", (double)keep1 / 86400, (char *)ctime(&keep));
    }
    fprintf(argv->out, "PID is %d\r\n", getpid());
    fprintf(argv->out, "LOCAL ONLY %d\r\n", LOCALNODELIST);
    fprintf(argv->out, "NONE NEWSFEEDS %d\r\n", NONENEWSFEEDS);
    fprintf(argv->out, "Max connections %d\r\n", Maxclient);
#ifdef DEBUGCWD
    getwd(cwdpath);
    fprintf(argv->out, "Working directory %s\r\n", cwdpath);
#endif
    if (Channel)
    for (i = 0, j = 0; i < Maxclient; ++i) {
        if (Channel[i].fd == -1)
        continue;
        if (Channel + i == client)
        continue;
        j++;
        fprintf(argv->out, " %d) in->used %d, in->left %d %s@%s\r\n", i,
            Channel[i].in.used, Channel[i].in.left,
            Channel[i].username, Channel[i].hostname);
    }
    fprintf(argv->out, "Total connections %d\r\n", j);
    fprintf(argv->out, "Total rec: %d dup: %d fail: %d size: %d, stat rec: %d fail: %d\n", client1->ihavecount, client1->ihaveduplicate, client1->ihavefail, client1->ihavesize, client1->statcount, client1->statfail);
    fprintf(argv->out, ".\r\n");
    fflush(argv->out);
    return 1;
}

static int
CMDlistnodelist(client)
    ClientType     *client;
{
    int             nlcount;
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d listnodelist access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Mallocmap Put: %d listnodelist access denied\n", p->errorcode);
    return 1;
    }
    fprintf(argv->out, "%d listnodelist\r\n", p->normalcode);
    for (nlcount = 0; nlcount < NLCOUNT; nlcount++) {
    nodelist_t     *nl = NODELIST + nlcount;
    fprintf(argv->out, "%2d %s /\\/\\ %s\r\n", nlcount + 1, nl->node == NULL ? "" : nl->node, nl->exclusion == NULL ? "" : nl->exclusion);
    fprintf(argv->out, "   %s:%s:%s\r\n", nl->host == NULL ? "" : nl->host, nl->protocol == NULL ? "" : nl->protocol, nl->comments == NULL ? "" : nl->comments);
    }
    fprintf(argv->out, ".\r\n");
    fflush(argv->out);
    verboselog("Listnodelist Put: %d listnodelist complete\n", p->normalcode);
    return 1;
}

static int
CMDlistnewsfeeds(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    int             nfcount;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d listnewsfeeds access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Mallocmap Put: %d listnewsfeeds access denied\n", p->errorcode);
    return 1;
    }
    fprintf(argv->out, "%d listnewsfeeds\r\n", p->normalcode);
    for (nfcount = 0; nfcount < NFCOUNT; nfcount++) {
    newsfeeds_t    *nf = NEWSFEEDS + nfcount;
    fprintf(argv->out, "%3d %s<=>%s\r\n", nfcount + 1, nf->newsgroups, nf->board);
    fprintf(argv->out, "    %s\r\n", nf->path == NULL ? "(Null)" : nf->path);
    }
    fprintf(argv->out, ".\r\n");
    fflush(argv->out);
    verboselog("Listnewsfeeds Put: %d listnewsfeeds complete\n", p->normalcode);
    return 1;
}

#ifdef MALLOCMAP
static int 
CMDmallocmap(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    buffer_t       *in = &client->in;
    daemoncmd_t    *p = argv->dc;
    struct rusage   ru;
    int             savefd;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d mallocmap access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Mallocmap Put: %d mallocmap access denied\n", p->errorcode);
    return 1;
    }
    fprintf(argv->out, "%d mallocmap\r\n", p->normalcode);
    savefd = dup(1);
    dup2(client->fd, 1);
    mallocmap();
    dup2(savefd, 1);
    close(savefd);
    fprintf(argv->out, ".\r\n");
    fflush(argv->out);
    verboselog("Mallocmap Put: %d mallocmap complete\n", p->normalcode);
    return 1;
}
#endif

#ifdef GETRUSAGE
static int 
CMDgetrusage(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    struct rusage   ru;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d getrusage access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Getrusage Put: %d getrusage access denied\n", p->errorcode);
    return 1;
    }
    fprintf(argv->out, "%d getrusage\r\n", p->normalcode);
    if (getrusage(RUSAGE_SELF, &ru) == 0) {
    fprintf(argv->out, "user time used: %.6f\r\n", (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec / 1000000.0);
    fprintf(argv->out, "system time used: %.6f\r\n", (double)ru.ru_stime.tv_sec + (double)ru.ru_stime.tv_usec / 1000000.0);
    fprintf(argv->out, "maximum resident set size: %lu\r\n", ru.ru_maxrss * getpagesize());
    fprintf(argv->out, "integral resident set size: %lu\r\n", ru.ru_idrss * getpagesize());
    fprintf(argv->out, "page faults not requiring physical I/O: %ld\r\n", ru.ru_minflt);
    fprintf(argv->out, "page faults requiring physical I/O: %ld\r\n", ru.ru_majflt);
    fprintf(argv->out, "swaps: %ld\r\n", ru.ru_nswap);
    fprintf(argv->out, "block input operations: %ld\r\n", ru.ru_inblock);
    fprintf(argv->out, "block output operations: %ld\r\n", ru.ru_oublock);
    fprintf(argv->out, "messages sent: %ld\r\n", ru.ru_msgsnd);
    fprintf(argv->out, "messages received: %ld\r\n", ru.ru_msgrcv);
    fprintf(argv->out, "signals received: %ld\r\n", ru.ru_nsignals);
    fprintf(argv->out, "voluntary context switches: %ld\r\n", ru.ru_nvcsw);
    fprintf(argv->out, "involuntary context switches: %ld\r\n", ru.ru_nivcsw);
    }
    fprintf(argv->out, ".\r\n");
    fflush(argv->out);
    verboselog("Getrusage Put: %d getrusage complete\n", p->normalcode);
    return 1;
}

#endif

static int 
CMDhismaint(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d hismaint access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Hismaint Put: %d hismaint access denied\n", p->errorcode);
    return 1;
    }
    verboselog("Hismaint Put: %d hismaint start\n", p->normalcode);
    HISmaint();
    fprintf(argv->out, "%d hismaint complete\r\n", p->normalcode);
    fflush(argv->out);
    verboselog("Hismaint Put: %d hismaint complete\n", p->normalcode);
    return 1;
}

static int 
CMDreload(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d reload access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Reload Put: %d reload access denied\n", p->errorcode);
    return 1;
    }
    initial_bbs("feed");
    fprintf(argv->out, "%d reload complete\r\n", p->normalcode);
    fflush(argv->out);
    verboselog("Reload Put: %d reload complete\n", p->normalcode);
    return 1;
}

static int 
CMDverboselog(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (!islocalconnect(client)) {
    fprintf(argv->out, "%d verboselog access denied\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Reload Put: %d verboselog access denied\n", p->errorcode);
    return 1;
    }
    if (client->mode == 0) {
    if (argv->argc > 1) {
        if (strcasecmp(argv->argv[1], "off") == 0) {
        setverboseoff();
        } else {
        setverboseon();
        }
    }
    }
    fprintf(argv->out, "%d verboselog %s\r\n", p->normalcode,
        isverboselog() ? "ON" : "OFF");
    fflush(argv->out);
    verboselog("%d verboselog %s\r\n", p->normalcode,
           isverboselog() ? "ON" : "OFF");
}

static int 
CMDmidcheck(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (client->mode == 0) {
    if (argv->argc > 1) {
        if (strcasecmp(argv->argv[1], "off") == 0) {
        client->midcheck = 0;
        } else {
        client->midcheck = 1;
        }
    }
    }
    fprintf(argv->out, "%d mid check %s\r\n", p->normalcode,
        client->midcheck == 1 ? "ON" : "OFF");
    fflush(argv->out);
    verboselog("%d mid check %s\r\n", p->normalcode,
           client->midcheck == 1 ? "ON" : "OFF");
}

static int 
CMDgrephist(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    if (client->mode == 0) {
    if (argv->argc > 1) {
        char           *ptr;
        ptr = (char *)DBfetch(argv->argv[1]);
        if (ptr != NULL) {
        fprintf(argv->out, "%d %s OK\r\n", p->normalcode, ptr);
        fflush(argv->out);
        verboselog("Addhist Put: %d %s OK\n", p->normalcode, ptr);
        return 0;
        } else {
        fprintf(argv->out, "%d %s not found\r\n", p->errorcode, argv->argv[1]);
        fflush(argv->out);
        verboselog("Addhist Put: %d %s not found\n", p->errorcode, argv->argv[1]);
        return 1;
        }
    }
    }
    fprintf(argv->out, "%d grephist error\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Addhist Put: %d grephist error\n", p->errorcode);
    return 1;
}


static int 
CMDaddhist(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p = argv->dc;
    /*
     * if (strcmp(client->username,"localuser") != 0 ||
     * strcmp(client->hostname,"localhost") != 0) { fprintf(argv->out,"%d add
     * hist access denied\r\n", p->errorcode); fflush(argv->out);
     * verboselog("Addhist Put: %d add hist access denied\n", p->errorcode);
     * return 1; }
     */
    if (client->mode == 0) {
    if (argv->argc > 2) {
        char           *ptr;
        ptr = (char *)DBfetch(argv->argv[1]);
        if (ptr == NULL) {
        if (storeDB(argv->argv[1], argv->argv[2]) < 0) {
            fprintf(argv->out, "%d add hist store DB error\r\n", p->errorcode);
            fflush(argv->out);
            verboselog("Addhist Put: %d add hist store DB error\n", p->errorcode);
            return 1;
        } else {
            fprintf(argv->out, "%d add hist OK\r\n", p->normalcode);
            fflush(argv->out);
            verboselog("Addhist Put: %d add hist OK\n", p->normalcode);
            return 0;
        }
        } else {
        fprintf(argv->out, "%d add hist duplicate error\r\n", p->errorcode);
        fflush(argv->out);
        verboselog("Addhist Put: %d add hist duplicate error\n", p->errorcode);
        return 1;
        }
    }
    }
    fprintf(argv->out, "%d add hist error\r\n", p->errorcode);
    fflush(argv->out);
    verboselog("Addhist Put: %d add hist error\n", p->errorcode);
    return 1;
}

static int 
CMDstat(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    char           *ptr;
    if (client->mode == 0) {
    client->statcount++;
    if (argv->argc > 1) {
        if (argv->argv[1][0] != '<') {
        fprintf(argv->out, "430 No such article\r\n");
        fflush(argv->out);
        verboselog("Stat Put: 430 No such article\n");
        client->statfail++;
        return 0;
        }
        ptr = (char *)DBfetch(argv->argv[1]);
        if (ptr != NULL) {
        fprintf(argv->out, "223 0 status %s\r\n", argv->argv[1]);
        fflush(argv->out);
        client->mode = 0;
        verboselog("Stat Put: 223 0 status %s\n", argv->argv[1]);
        return 1;
        } else {
        fprintf(argv->out, "430 No such article\r\n");
        fflush(argv->out);
        verboselog("Stat Put: 430 No such article\n");
        client->mode = 0;
        client->statfail++;
        }
    }
    }
}

#ifndef DBZSERVER
static int 
CMDihave(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    char           *ptr = NULL;
    if (client->mode == 0) {
    client->ihavecount++;
    if (argv->argc > 1) {
        if (argv->argv[1][0] != '<') {
        fprintf(argv->out, "435 Bad Message-ID\r\n");
        fflush(argv->out);
        verboselog("Ihave Put: 435 Bad Message-ID\n");
        client->ihavefail++;
        return 0;
        }
        if (client->midcheck == 1)
        ptr = (char *)DBfetch(argv->argv[1]);
        if (ptr != NULL && client->midcheck == 1) {
        fprintf(argv->out, "435 Duplicate\r\n");
        fflush(argv->out);
        client->mode = 0;
        verboselog("Ihave Put: 435 Duplicate\n");
        client->ihaveduplicate++;
        client->ihavefail++;
        return 1;
        } else {
        fprintf(argv->out, "335\r\n");
        fflush(argv->out);
        client->mode = 1;
        verboselog("Ihave Put: 335\n");
        }
    }
    } else {
    client->mode = 0;
    readlines(client);
    if (HEADER[SUBJECT_H] && HEADER[FROM_H] && HEADER[DATE_H] &&
        HEADER[MID_H] && HEADER[NEWSGROUPS_H]) {
        char           *path1, *path2;
        int             rel;
        str_decode_M3(HEADER[SUBJECT_H]);
        str_decode_M3(HEADER[FROM_H]);
        str_decode_M3(HEADER[DATE_H]);
        str_decode_M3(HEADER[MID_H]);
        str_decode_M3(HEADER[NEWSGROUPS_H]);
        rel = 0;
        path1 = (char *)mymalloc(strlen(HEADER[PATH_H]) + 3);
        path2 = (char *)mymalloc(strlen(MYBBSID) + 3);
        sprintf(path1, "!%s!", HEADER[PATH_H]);
        sprintf(path2, "!%s!", MYBBSID);
        if (HEADER[CONTROL_H]) {
        bbslog("Control: %s\n", HEADER[CONTROL_H]);
        if (strncasecmp(HEADER[CONTROL_H], "cancel ", 7) == 0) {
            rel = cancel_article_front(HEADER[CONTROL_H] + 7);
        } else {
            rel = receive_control();
        }
        } else if ((char *)strstr(path1, path2) != NULL) {
        bbslog(":Warn: Loop back article: %s!%s\n", MYBBSID, HEADER[PATH_H]);
        } else if (strstr(SUBJECT, "@@") && strstr(BODY, "NCM") && strstr(BODY, "PGP")) {
        rel = receive_nocem();
        } else {
        rel = receive_article();
        }
        free(path1);
        free(path2);
        if (rel == -1) {
        fprintf(argv->out, "400 server side failed\r\n");
        fflush(argv->out);
        verboselog("Ihave Put: 400\n");
        clearfdset(client->fd);
        fclose(client->Argv.in);
        fclose(client->Argv.out);
        close(client->fd);
        client->fd = -1;
        client->mode = 0;
        client->ihavefail++;
        return;
        } else {
        fprintf(argv->out, "235\r\n");
        verboselog("Ihave Put: 235\n");
        }
        fflush(argv->out);
    } else if (!HEADER[PATH_H]) {
        fprintf(argv->out, "437 No Path in \"ihave %s\" header\r\n", HEADER[MID_H]);
        fflush(argv->out);
        verboselog("Put: 437 No Path in \"ihave %s\" header\n", HEADER[MID_H]);
        client->ihavefail++;
    } else {
        fprintf(argv->out, "437 No colon-space in \"ihave %s\" header\r\n", HEADER[MID_H]);
        fflush(argv->out);
        verboselog("Ihave Put: 437 No colon-space in \"ihave %s\" header\n", HEADER[MID_H]);
        client->ihavefail++;
    }
#ifdef DEBUG
    printf("subject is %s\n", HEADER[SUBJECT_H]);
    printf("from is %s\n", HEADER[FROM_H]);
    printf("Date is %s\n", HEADER[DATE_H]);
    printf("Newsgroups is %s\n", HEADER[NEWSGROUPS_H]);
    printf("mid is %s\n", HEADER[MID_H]);
    printf("path is %s\n", HEADER[PATH_H]);
#endif
    }
    fflush(argv->out);
    return 0;
}
#endif

static int 
CMDhelp(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    daemoncmd_t    *p;
    if (argv->argc >= 1) {
    fprintf(argv->out, "%d Available Commands\r\n", argv->dc->normalcode);
    for (p = cmds; p->name != NULL; p++) {
        fprintf(argv->out, "  %s\r\n", p->usage);
    }
    fprintf(argv->out, "Report problems to %s\r\n", ADMINUSER);
    }
    fputs(".\r\n", argv->out);
    fflush(argv->out);
    client->mode = 0;
    return 0;
}

static int 
CMDquit(client)
    ClientType     *client;
{
    argv_t         *argv = &client->Argv;
    fprintf(argv->out, "205 quit\r\n");
    fflush(argv->out);
    verboselog("Quit Put: 205 quit\n");
    clearfdset(client->fd);
    fclose(client->Argv.in);
    fclose(client->Argv.out);
    close(client->fd);
    client->fd = -1;
    client->mode = 0;
    channeldestroy(client);
    /* exit(0); */
}