path: root/innbbsd/bbslink.c

#if defined( LINUX )
#include "innbbsconf.h"
#include "bbslib.h"
#include <stdarg.h>
#else
#include <stdarg.h>
#include "innbbsconf.h"
#include "bbslib.h"
#endif
#include  "antisplam.h"

#include <sys/mman.h>

#ifndef AIX
#include <sys/fcntl.h>
#endif

#if defined(PalmBBS)
#include <utime.h>
#endif


#include "daemon.h"
#include "nntp.h"
#include "externs.h"

/*
 * TODO 1. read newsfeeds.bbs, read nodelist.bbs, read bbsname.bbs 2. scan
 * new posts and append to .link 3. rename .link to .send (must lock) 4.
 * start to send .send out and append not sent to .link
 * 
 * 5. node.LOCK (with pid) 6. log articles sent
 */


#ifndef MAXBUFLEN
#define MAXBUFLEN 256
#endif

#define MAX_OUTGO_POST  100 /* bbslink 一次處理的轉出最大文章數量 */

typedef struct my_out_bntp {
    char           *board, *filename, *userid, *nickname, *subject;
}               my_out_bntp;
struct my_out_bntp out_bntp[MAX_OUTGO_POST];

int             outgo_post = 0;

typedef struct Over_t {
    time_t          mtime;
    char            date[MAXBUFLEN];
    char            nickname[MAXBUFLEN];
    char            subject[MAXBUFLEN];
    char            from[MAXBUFLEN];
    char            msgid[MAXBUFLEN];
    char            site[MAXBUFLEN];
    char            board[MAXBUFLEN];
}               linkoverview_t;

typedef struct SendOver_t {
    char           *board, *filename, *group, *from, *subject;
    char           *outgoingtype, *msgid, *path;
    char           *date, *control;
    time_t          mtime;
}               soverview_t;

typedef struct Stat_t {
    int             localsendout;
    int             localfailed;
    int             remotesendout;
    int             remotefailed;
}               stat_t;

static stat_t  *BBSLINK_STAT;

static int      NoAction = 0;
static int      Verbose = 0;
static int      VisitOnly = 0;
static int      NoVisit = 0;
static char    *DefaultFeedSite = "";
static int      KillFormerBBSLINK = 0;

extern char    *SITE;
extern char    *GROUPS;

char            NICKNAME[MAXBUFLEN];

char            DATE_BUF[MAXBUFLEN];
extern char    *DATE;

char            FROM_BUF[MAXBUFLEN];
extern char    *FROM;

#ifndef MapleBBS
char            POSTER_BUF[MAXBUFLEN];
char           *POSTER;
#endif

char            MYADDR[MAXBUFLEN];
char            MYSITE[MAXBUFLEN];

char            SUBJECT_BUF[MAXBUFLEN];
extern char    *SUBJECT;

char            MSGID_BUF[MAXBUFLEN];
extern char    *MSGID;

char            LINKPROTOCOL[MAXBUFLEN];
int             LINKPORT;
char            ORGANIZATION[MAXBUFLEN];
char            NEWSCONTROL[MAXBUFLEN];
char            NEWSAPPROVED[MAXBUFLEN];
char            NNTPHOST_BUF[MAXBUFLEN];
extern char    *NNTPHOST;
char            PATH_BUF[MAXBUFLEN];
extern char    *PATH;

char            CONTROL_BUF[MAXBUFLEN];
extern char    *CONTROL;

char           *BODY, *HEAD;

int             USEIHAVE = 1;
int             USEPOST = 0;
int             USEDATA = 0;
int             FEEDTYPE = ' ';

int             NNTP = -1;
FILE           *NNTPrfp = NULL;
FILE           *NNTPwfp = NULL;
char            NNTPbuffer[1024];
static char    *NEWSFEED;
static char    *REMOTE = "REMOTE";
static char    *LOCAL = "LOCAL";

static int      FD, FD_SIZE;
static char    *FD_BUF;
static char    *FD_END;

static char    *COMMENT = "\n";
/* "[Ptt 送出]\n"; */

int
is_outgo_post(board, filename, userid, nickname, subject)
    char           *board, *filename, *userid, *nickname, *subject;
{
    int             mypost;

    for (mypost = 0; mypost < outgo_post; mypost++) {
    if (!strcmp(out_bntp[mypost].filename, filename))
        if (!strcmp(out_bntp[mypost].userid, userid))
        if (!strcmp(out_bntp[mypost].board, board))
            if (!strcmp(out_bntp[mypost].nickname, nickname))
            if (!strcmp(out_bntp[mypost].subject, subject)) {
                if (Verbose)
                printf("bad_cancel: %s, %s(%s), %s, %s\n",
                board, userid, nickname, subject, filename);
                bbslog("bad_cancel: %s, %s(%s), %s, %s\n",
                board, userid, nickname, subject, filename);
                return 1;
            }
    }
    return 0;
}
/*
 * woju Cross-fs rename()
 */

Rename(char *src, char *dst)
{
    char            cmd[200];

    if (rename(src, dst) == 0)
    return 0;

    sprintf(cmd, "/bin/mv %s %s", src, dst);
    return system(cmd);

}


bbslink_un_lock(file)
    char           *file;
{
    char           *lockfile = fileglue("%s.LOCK", file);

    if (isfile(lockfile))
    unlink(lockfile);
}

bbslink_get_lock(file)
    char           *file;
{
    int             lockfd;
    char            LockFile[MAXPATHLEN];

    strncpy(LockFile, (char *)fileglue("%s.LOCK", file), sizeof LockFile);
    if ((lockfd = open(LockFile, O_RDONLY)) >= 0) {
    char            buf[10];
    int             pid;

    if (read(lockfd, buf, sizeof buf) > 0 &&
        (pid = atoi(buf)) > 0 && kill(pid, 0) == 0) {
        if (KillFormerBBSLINK) {
        kill(pid, SIGTERM);
        unlink(LockFile);
        } else {
        fprintf(stderr, "another process [%d] running\n", pid);
        return 0;
        }
    } else {
        fprintf(stderr, "no process [%d] running, but lock file existed, unlinked\n", pid);
        unlink(LockFile);
    }
    close(lockfd);
    }
    if ((lockfd = open(LockFile, O_RDWR | O_CREAT | O_EXCL, 0644)) < 0) {
    fprintf(stderr, "lock %s error: another bbslink process running\n", LockFile);
    return 0;
    } else {
    char            buf[10];
    int             pid;

    sprintf(buf, "%-.8d\n", getpid());
    write(lockfd, buf, strlen(buf));
    close(lockfd);
    return 1;
    }
}


int
tcpcommand(char *fmt,...)
{
    va_list         ap;
    char           *ptr;

    va_start(ap, fmt);
    vfprintf(NNTPwfp, fmt, ap);
    fprintf(NNTPwfp, "\r\n");
    fflush(NNTPwfp);

    fgets(NNTPbuffer, sizeof NNTPbuffer, NNTPrfp);
    ptr = strchr(NNTPbuffer, '\r');
    if (ptr)
    *ptr = '\0';
    ptr = strchr(NNTPbuffer, '\n');
    if (ptr)
    *ptr = '\0';
    va_end(ap);
    return atoi(NNTPbuffer);
}

char           *
tcpmessage()
{
    char           *ptr;

    ptr = strchr(NNTPbuffer, ' ');
    if (ptr)
    return ptr;
    return NNTPbuffer;
}

read_article(lover, filename, userid)
    linkoverview_t *lover;
    char           *filename, *userid;
{
    FILE           *fp;
    int             fd;
    struct stat     st;
    time_t          mtime;
    char           *buffer;
    char           *artptr, *artend, *artback;

    if (stat(filename, &st) != 0)
    return 0;
    lover->mtime = st.st_mtime;
    fd = open(filename, O_RDONLY);
    if (fd < 0) {
    bbslog("<bbslink> Err: can't open %s\n", filename);
    return 0;
    }
    if (FD_BUF == NULL) {
    FD_BUF = mymalloc(st.st_size + 1 + strlen(COMMENT));
    } else {
    FD_BUF = myrealloc(FD_BUF, st.st_size + 1 + strlen(COMMENT));
    }
    FD_BUF[st.st_size] = '\0';
    read(fd, FD_BUF, st.st_size);
    sprintf(FD_BUF + st.st_size, "%s", COMMENT);
    st.st_size += strlen(COMMENT);
    FD_SIZE = st.st_size;
    for (buffer = FD_BUF, artend = FD_BUF + st.st_size,
     artback = strchr(buffer, '\n');
     buffer && buffer < artend && *buffer;
     artback = strchr(buffer, '\n')
    ) {
    /* while( fgets(buffer, sizeof buffer, fp) != NULL) { */
    char           *m, *n;
    char           *ptr;

    if (artback != NULL)
        *artback = '\0';
    if (*buffer == '\0')
        break;

#ifndef MapleBBS
    if (strstr(buffer, userid) != NULL) {
        m = strchr(buffer, '(');
        n = strrchr(buffer, ')');
        if (m != NULL && n != NULL) {
        strncpy(lover->nickname, m + 1, n - m - 1);
        lover->nickname[n - m - 1] = '\0';
        } else {
        *lover->nickname = '\0';
        }
    } else if (strncmp(buffer, "Date:      ", 11) == 0) {
        strcpy(lover->date, buffer + 11);
    } else if (strncmp(buffer, "發信站: ", 8) == 0) {
        m = strchr(buffer, '(');
        n = strrchr(buffer, ')');
        strncpy(lover->date, m + 1, n - m - 1);
        lover->date[n - m - 1] = '\0';
    }
#endif

    if (artback != NULL) {
        *artback = '\n';
        buffer = artback + 1;
    } else {
        break;
    }
    }
    if (artback != NULL)
    BODY = artback + 1;
    else
    BODY = "";
    close(fd);
    return 1;
}

save_outgoing(sover, filename, userid, poster, mtime)
    soverview_t    *sover, *filename, *userid, *poster;
    time_t          mtime;
{
    newsfeeds_t    *nf;
    char           *group, *server, *serveraddr;
    char           *subject, *path;
    char           *board;
    char           *ptr1, *ptr2;

    board = sover->board;

    PATH = MYBBSID;
    nf = (newsfeeds_t *) search_board(board);
    if (nf == NULL) {
    bbslog("<bbslink> save_outgoing: No such board %s\n", board);
    return;
    } else {
    group = nf->newsgroups;
    server = nf->path;
    }
    if (!server || !*server) {
    sprintf(PATH_BUF, "%.*s (local)", sizeof PATH_BUF - 9, MYBBSID);
    PATH = PATH_BUF;
    serveraddr = "";
    sover->path = PATH;
    }
    for (ptr1 = server; ptr1 && *ptr1;) {
    nodelist_t     *nl;
    char            savech;

    for (; *ptr1 && isspace(*ptr1); ptr1++);
    if (!*ptr1)
        break;
    for (ptr2 = ptr1; *ptr2 && !isspace(*ptr2); ptr2++);
    savech = *ptr2;
    *ptr2 = '\0';
    nl = (nodelist_t *) search_nodelist_bynode(ptr1);
    *ptr2 = savech;
    ptr1 = ptr2++;
    if (nl == NULL)
        continue;
    /* if (nl->feedfp == NULL) continue; */

    if (nl->host && *nl->host) {
        if (nl->feedfp == NULL) {
        nl->feedfp = fopen(fileglue("%s/%s.link", INNDHOME, nl->node), "a");
        if (nl->feedfp == NULL) {
            bbslog("<save outgoing> append failed for %s/%s.link", INNDHOME, nl->node);
        }
        }
        if (nl->feedfp != NULL) {
        flock(fileno(nl->feedfp), LOCK_EX);
        fprintf(nl->feedfp, "%s\t%s\t%s\t%ld\t%s\t%s\n", sover->board, filename, group, mtime, FROM, sover->subject);
        fflush(nl->feedfp);
        flock(fileno(nl->feedfp), LOCK_UN);
        }
    }
    if (savech == '\0')
        break;
    }
}


#ifndef MapleBBS
save_article(board, filename, sover)
    char           *board, *filename;
    soverview_t    *sover;
{
    FILE           *FN;

    if (Verbose)
    printf("<save_article> %s %s\n", board, filename);
    FN = fopen(fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename), "w");
    if (FN == NULL) {
    bbslog("<save_article> err: %s %s\n", board, filename);
    if (Verbose)
        printf("<save_article> err: %s %s\n", board, filename);
    return 0;
    }
    flock(fileno(FN), LOCK_EX);
    fprintf(FN, "發信人: %s, 信區: %s\n", POSTER, sover->board);
    fprintf(FN, "標  題: %s\n", sover->subject);
    fprintf(FN, "發信站: %s (%s)\n", MYSITE, sover->date);
    fprintf(FN, "轉信站: %s\n", sover->path);
    fprintf(FN, "\n");
    fputs(BODY, FN);
    flock(fileno(FN), LOCK_UN);
    fclose(FN);

#if defined(PalmBBS)
    {
    struct utimbuf  times;

    times.actime = sover->mtime;
    times.modtime = sover->mtime;
    utime(fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename), &times);
    utime(fileglue("%s/.bcache/%s", BBSHOME, board), NULL);
    }
#endif
}
#endif

/* process_article() read_article() save_outgoing() save_article() */

process_article(board, filename, userid, nickname, subject)
    char           *board, *filename, *userid, *nickname, *subject;
{
    char           *n, *filepath;
    char            poster[MAXBUFLEN];
    soverview_t     sover;

    if (!*userid) {
    return;
    } else if (!subject || !*subject) {
    subject = "無題";
    }
    filepath = fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename);
    if (isfile(filepath)) {
    linkoverview_t  lover;

    if (read_article(&lover, filepath, userid)) {

#ifndef MapleBBS
        strncpy(POSTER_BUF, fileglue("%s@%s (%s)", userid, MYBBSID, nickname), sizeof POSTER_BUF);
        POSTER = POSTER_BUF;
#endif

        strncpy(FROM_BUF, fileglue("%s.bbs@%s (%s)", userid, MYADDR, nickname), sizeof FROM_BUF);
        FROM = FROM_BUF;
        sover.from = FROM;
        sover.board = board;
        sover.subject = subject;
        PATH = MYBBSID;
        sover.path = MYBBSID;
        sover.date = lover.date;
        sover.mtime = lover.mtime;
        if (!VisitOnly) {
        save_outgoing(&sover, filename, userid, poster, lover.mtime);

#ifndef MapleBBS
        save_article(board, filename, &sover);
#endif
        }
    }
    }
}


char           *
baseN(val, base, len)
    int             val, base, len;
{
    int             n, ans;
    static char     str[MAXBUFLEN];
    char           *pstr = str;
    int             index;

    for (index = len - 1; index >= 0; index--) {
    n = val % base;
    val /= base;
    if (n < 10) {
        n += '0';
    } else if (n < 36) {
        n += 'A' - 10;
    } else if (n < 62) {
        n += 'a' - 36;
    } else {
        n = '_';
    }
    str[index] = n;
    }
    str[len] = '\0';
    return str;
}

char           *
hash_value(str)
    char           *str;
{
    int             val, n;
    char           *ptr;

    if (*str)
    ptr = str + strlen(str) - 1;
    else
    ptr = str;
    val = 0;
    while (ptr >= str) {
    n = *ptr;
    val = (val + n * 0x100) ^ n;
    ptr--;
    }
    return baseN(val, 64, 3);
}

/* process_cancel() save_outgoing() hash_value(); baseN(); ascii_date(); */


read_outgoing(sover)
    soverview_t    *sover;
{
    char           *board, *filename, *group, *from, *subject, *outgoingtype,
                   *msgid, *path;
    char           *buffer, *bufferp;
    FILE           *ECHOMAIL, *FN;
    char           *hash;
    char            times[MAXBUFLEN];
    time_t          mtime;

    board = sover->board;
    filename = sover->filename;
    group = sover->group;
    mtime = sover->mtime;
    from = sover->from;
    subject = sover->subject;
    outgoingtype = sover->outgoingtype;
    msgid = sover->msgid;
    path = sover->path;
    if (Verbose) {
    printf("<read_outgoing> %s:%s:%s\n", board, filename, group);
    printf("  => %ld:%s\n", mtime, from);
    printf("  => %s\n", subject);
    printf("  => %s:%s\n", outgoingtype, msgid);
    printf("  => %s\n", path);
    }
    if (NEWSFEED == LOCAL) {
    char           *end = strrchr(filename, '.');

    if (end)
        *end = '\0';
    strncpy(times, baseN(atol(filename + 2), 48, 6), sizeof times);
    if (end)
        *end = '.';
    hash = hash_value(fileglue("%s.%s", filename, board));
    sprintf(MSGID_BUF, "%s$%s@%s", times, hash, MYADDR);
    } else {
    strncpy(MSGID_BUF, msgid, sizeof MSGID_BUF);
    }
    sover->msgid = MSGID;
    if (mtime == -1) {
    static char     BODY_BUF[MAXBUFLEN];

    strncpy(BODY_BUF, fileglue("%s\r\n", subject), sizeof BODY_BUF);
    BODY = BODY_BUF;
    sprintf(SUBJECT_BUF, "cmsg cancel <%s>", MSGID);
    SUBJECT = SUBJECT_BUF;
    sprintf(CONTROL_BUF, "cancel <%s>", MSGID);
    CONTROL = CONTROL_BUF;
    strncpy(MSGID_BUF, fileglue("%d.%s", getpid(), MSGID_BUF), sizeof MSGID_BUF);
    sprintf(DATE_BUF, "%s", ascii_date(time(NULL)));
    DATE = DATE_BUF;
    sover->subject = SUBJECT;
    sover->control = CONTROL;
    sover->msgid = MSGID;
    sover->date = DATE;
    } else {
    sover->control = CONTROL;
    sover->date = DATE_BUF;
    DATE = DATE_BUF;
    *CONTROL = '\0';
    sprintf(DATE, "%s", ascii_date((mtime)));
    if (NEWSFEED == LOCAL && !NoAction) {
        SITE = MYSITE;
        PATH = MYBBSID;
        GROUPS = group;

#ifndef MapleBBS
        echomaillog();
#endif
    }
    BODY = "";
    FD = open(fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename), O_RDONLY);
    if (FD < 0) {
        if (Verbose)
        printf(" !! can't open %s/boards/%c/%s/%s\n", BBSHOME, board[0], board, filename);
        else
        fprintf(stderr, "can't open %s/boards/%c/%s/%s\n", BBSHOME, board[0], board, filename);
        return -1;
    }
    FD_SIZE = filesize(fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename));
    if (FD_BUF == NULL) {
        FD_BUF = (char *)mymalloc(FD_SIZE + 1 + strlen(COMMENT));
    } else {
        FD_BUF = (char *)myrealloc(FD_BUF, FD_SIZE + 1 + strlen(COMMENT));
    }
    FD_END = FD_BUF + FD_SIZE;
    *FD_END = '\0';
    read(FD, FD_BUF, FD_SIZE);
    sprintf(FD_END, "%s", COMMENT);
    FD_SIZE += strlen(COMMENT);
    FD_END += strlen(COMMENT);
    if (Verbose) {
        printf("<read in> %s/boards/%c/%s/%s\n", BBSHOME, board[0], board, filename);
    }
    *ORGANIZATION = '\0';
    *NEWSCONTROL = '\0';
    *NEWSAPPROVED = '\0';
    *NNTPHOST_BUF = '\0';
    NNTPHOST = NULL;

    for (buffer = FD_BUF, bufferp = strchr(buffer, '\n');
         buffer && *buffer; bufferp = strchr(buffer, '\n')) {
        if (bufferp)
        *bufferp = '\0';
        if (*buffer == '\0') {
        break;
        }
        /* printf("get buffer %s\n", buffer); */
        if (NEWSFEED == REMOTE) {
        if (strncmp(buffer, "Date:      ", 11) == 0) {
            strcpy(DATE_BUF, buffer + 11);
            DATE = DATE_BUF;
        } else if (strncmp(buffer, "發信站: ", 8) == 0) {
            char           *m, *n;

            m = strchr(buffer, '(');
            n = strrchr(buffer, ')');
            if (m && n) {
            strncpy(DATE_BUF, m + 1, n - m - 1);
            DATE_BUF[n - m - 1] = '\0';
            DATE = DATE_BUF;
            strncpy(ORGANIZATION, buffer + 8, m - 8 - buffer - 1);
            ORGANIZATION[m - 8 - buffer - 1] = '\0';
            }
        } else if (strncmp(buffer, "Control: ", 9) == 0) {
            strcpy(NEWSCONTROL, buffer + 9);
        } else if (strncmp(buffer, "Approved: ", 10) == 0) {
            strcpy(NEWSAPPROVED, buffer + 10);
        } else if (strncmp(buffer, "Origin: ", 8) == 0) {
            strcpy(NNTPHOST_BUF, buffer + 8);
            NNTPHOST = NNTPHOST_BUF;
        }
        }
        if (bufferp) {
        *bufferp = '\n';
        buffer = bufferp + 1;
        } else {
        break;
        }
    }
    if (bufferp) {
        BODY = bufferp + 1;
    } else
        BODY = "";
    if (bufferp)
        for (buffer = bufferp + 1, bufferp = strchr(buffer, '\n');
         buffer && *buffer; bufferp = strchr(buffer, '\n')) {
        if (bufferp)
            *bufferp = '\0';
        /* printf("get line (%s)\n", buffer); */
        /*
         * if( strcmp(buffer,".")==0 ) { buffer[1]='.';
         * buffer[2]='\0'; }
         */
        if (NEWSFEED == REMOTE &&
            strncmp(NEWSCONTROL, "cancel", 5) == 0 &&
            strncmp(buffer, "------------------", 18) == 0) {
            break;
        } else if (strncmp(buffer, "◆ From: ", 9) == 0) {
            strcpy(NNTPHOST_BUF, buffer + 9);
            NNTPHOST = NNTPHOST_BUF;
        }
        /* $BODY[ @BODY ] = "$_\r\n"; */
        if (bufferp) {
            *bufferp = '\n';
            buffer = bufferp + 1;
        } else {
            break;
        }
        }
    /* #       fprintf("BODY @BODY\n"; */
    close(FD);
    }
    return 0;
}

#ifdef TEST
#endif

openfeed(node)
    nodelist_t     *node;
{
    if (node->feedfp == NULL) {
    node->feedfp = fopen(fileglue("%s/%s.link", INNDHOME, node->node), "a");
    }
}

queuefeed(node, textline)
    nodelist_t     *node;
    char           *textline;
{
    openfeed(node);
    if (node->feedfp != NULL) {
    flock(fileno(node->feedfp), LOCK_EX);
    fprintf(node->feedfp, "%s", textline);
    fflush(node->feedfp);
    flock(fileno(node->feedfp), LOCK_UN);
    }
}

post_article(node, site, sover, textline)
    nodelist_t     *node;
    char           *site;
    soverview_t    *sover;
    char           *textline;
{
    int             status;
    char           *filename = sover->filename;
    char           *msgid = sover->msgid;
    char           *board = sover->board;
    char           *bodyp, *body;

    if (Verbose)
    fprintf(stdout, "<post_article> %s %s %s\n", site, filename, msgid);
    if (NoAction && Verbose) {
    printf("  ==>%s\n", sover->path);
    printf("  ==>%s:%s\n", sover->from, sover->group);
    printf("  ==>%s:%s\n", sover->subject, sover->date);
    body = BODY;
    bodyp = strchr(body, '\n');
    if (bodyp)
        *bodyp = '\0';
    printf("  ==>%s\n", body);
    if (bodyp)
        *bodyp = '\n';
    if (bodyp) {
        body = bodyp + 1;
        bodyp = strchr(body, '\n');
        if (bodyp)
        *bodyp = '\0';
        printf("  ==>%s\n", body);
        if (bodyp)
        *bodyp = '\n';
    }
    }
    if (NoAction)
    return 1;
    if (NEWSFEED == REMOTE) {
    fprintf(NNTPwfp, "Path: %s\r\n", sover->path);
    fprintf(NNTPwfp, "From: %s\r\n", sover->from);
    fprintf(NNTPwfp, "Newsgroups: %s\r\n", sover->group);
    fprintf(NNTPwfp, "Subject: %s\r\n", sover->subject);
    /* #       fprintf( NNTPwfp,"Post with subject ($subject)\n"); */
    fprintf(NNTPwfp, "Date: %s\r\n", sover->date);
    if (*ORGANIZATION)
        fprintf(NNTPwfp, "Organization: %s\r\n", ORGANIZATION);
    fprintf(NNTPwfp, "Message-ID: <%s>\r\n", sover->msgid);
    if (*NEWSCONTROL)
        fprintf(NNTPwfp, "Control: %s\r\n", NEWSCONTROL);
    if (*NEWSAPPROVED)
        fprintf(NNTPwfp, "Approved: %s\r\n", NEWSAPPROVED);
    } else {
    fprintf(NNTPwfp, "Path: %s\r\n", MYBBSID);
    fprintf(NNTPwfp, "From: %s\r\n", sover->from);
    fprintf(NNTPwfp, "Newsgroups: %s\r\n", sover->group);
    fprintf(NNTPwfp, "Subject: %s\r\n", sover->subject);
    fprintf(NNTPwfp, "Date: %s\r\n", sover->date);
    fprintf(NNTPwfp, "Organization: %s\r\n", MYSITE);
    fprintf(NNTPwfp, "Message-ID: <%s>\r\n", sover->msgid);
    fprintf(NNTPwfp, "Mime-Version: 1.0\r\n");
    fprintf(NNTPwfp, "Content-Type: text/plain; charset=Big5\r\n");
    fprintf(NNTPwfp, "Content-Transfer-Encoding: 8bit\r\n");
    fprintf(NNTPwfp, "X-Filename: %s/%s\r\n", sover->board, sover->filename);
    }
    if (NNTPHOST && *NNTPHOST && USEIHAVE)
    fprintf(NNTPwfp, "NNTP-Posting-Host: %s\r\n", NNTPHOST);
    else if (NNTPHOST && *NNTPHOST)
    fprintf(NNTPwfp, "X-Auth-From: %s\r\n", NNTPHOST);
    if (*CONTROL) {
    fprintf(NNTPwfp, "Control: %s\r\n", CONTROL);
    }
    fputs("\r\n", NNTPwfp);
    for (body = BODY, bodyp = strchr(body, '\n');
     body && *body; bodyp = strchr(body, '\n')) {
    if (bodyp)
        *bodyp = '\0';

    fputs(body, NNTPwfp);
    if (body[0] == '.' && body[1] == '\0')
        fputs(".", NNTPwfp);
    fputs("\r\n", NNTPwfp);
    if (bodyp) {
        *bodyp = '\n';
        body = bodyp + 1;
    } else {
        break;
    }
    }
    /* print "send out @BODY\n"; */
    status = tcpcommand(".");
    /* 435 duplicated article 437 invalid header */

    if (USEIHAVE) {
    if (status == 235) {
        if (NEWSFEED == LOCAL) {
        bbslog("Sendout <%s> from %s/%s\n", msgid, board, filename);
        }
    } else if (status == 437 || status == 435) {
        bbslog("<bbslink> :Warn: %d %s <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
        printf(":Warn: %d %s <%s>\n", status, (char *)tcpmessage(), msgid);
        return 0;
    } else {
        bbslog("<bbslink> :Err: %d %s of <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
        printf(":Err: %d %s of <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted")&&
        !strstr(tcpmessage(), "Duplicate"))
        queuefeed(node, textline);
        return 0;
    }
    } else if (USEPOST) {
    if (status == 240) {
        bbslog("Sendout <%s> from %s/%s\n", msgid, board, filename);
    } else if (status == 437 || status == 435) {
        bbslog("<bbslink> :Warn: %d %s <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
        printf(":Warn: %d %s <%s>\n", status, (char *)tcpmessage(), msgid);
        return 0;
    } else {
        bbslog("<bbslink> :Err: %d %s of <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted")&&
        !strstr(tcpmessage(), "435 Duplicate"))
        queuefeed(node, textline);
        return 0;
    }
    } else {
    if (status == 250) {
        bbslog("<bbslink> DATA Sendout <%s> from %s/%s\n", msgid, board, filename);
        if (Verbose)
        printf("<DATA Sendout> <%s> from %s/%s\n", msgid, board, filename);
    } else {
        bbslog("<bbslink> :Err: %d %s of <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
        printf(":Err: %d %s of <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted")&&
        !strstr(tcpmessage(), "Duplicate"))
        queuefeed(node, textline);
        return 0;
    }
    }
    return 1;
}

process_cancel(board, filename, userid, nickname, subject)
    char           *board, *filename, *userid, *nickname, *subject;
{
    time_t          mtime;
    soverview_t     sover;

    if (!userid || !*userid) {
    return;
    }
    mtime = -1;
    strncpy(FROM_BUF, fileglue("%s.bbs@%s (%s)", userid, MYADDR, nickname), sizeof FROM_BUF);
    FROM = FROM_BUF;
    sover.from = FROM;
    sover.board = board;
    sover.subject = subject;
    PATH = MYBBSID;
    sover.path = MYBBSID;
    /* save_outgoing(&sover, filename, userid, poster, -1); */
    save_outgoing(&sover, filename, userid, userid, -1);
}

open_link(hostname, hostprot, hostport)
    char           *hostname, *hostprot, *hostport;
{
    USEIHAVE = 1;
    USEPOST = 0;
    USEDATA = 0;
    FEEDTYPE = ' ';
    if (Verbose)
    printf("<OPEN_link> %s %s %s\n", hostname, hostprot, hostport);
    if (strncasecmp(hostprot, "IHAVE", 5) != 0) {
    USEIHAVE = 0;
    USEPOST = 1;
    if (strncasecmp(hostprot, "POST", 4) == 0) {
        USEPOST = 1;
    } else if (strncasecmp(hostprot, "DATA", 4) == 0) {
        USEPOST = 0;
        USEDATA = 1;
    }
    }
    FEEDTYPE = hostname[0];
    if (!USEDATA) {
    char           *atsign;

    if (FEEDTYPE == '-' || FEEDTYPE == '+') {
        hostname = hostname + 1;
    }
    atsign = strchr(hostname, '@');
    if (atsign != NULL) {
        hostname = atsign + 1;
    }
    if (!NoAction) {
        if (Verbose)
        printf("<inetclient> %s %s\n", hostname, hostport);
        if ((NNTP = inetclient(hostname, hostport, "tcp")) < 0) {
        bbslog("<bbslink> :Err: server %s %s error: cant connect\n", hostname, hostport);
        if (Verbose)
            printf(":Err: server %s %s error: cant connect\n", hostname, hostport);
        return 0;
        /* exit( 0 ); */
        /* return; */
        }
        NNTPrfp = fdopen(NNTP, "r");
        NNTPwfp = fdopen(NNTP, "w");
        fgets(NNTPbuffer, sizeof NNTPbuffer, NNTPrfp);
        if (atoi(NNTPbuffer) != 200) {
        bbslog("<bbslink> :Err: server error: %s", NNTPbuffer);
        if (Verbose)
            printf(":Err: server error: %s", NNTPbuffer);
        return 0;
        /* exit( 0 ); */
        }
    } else {
        if (Verbose)
        printf("<inetclient> %s %s\n", hostname, hostport);
    }
    } else {
    if (!NoAction) {
        if (Verbose)
        printf("<inetclient> localhost %s\n", hostport);
        if ((NNTP = inetclient("localhost", hostport, "tcp")) < 0) {
        bbslog("<bbslink> :Err: server %s port %s error: cant connect\n", hostname, hostport);
        if (Verbose)
            printf(":Err: server error: cant connect");
        return 0;
        /* exit( 0 ); */
        /* return; */
        }
        NNTPrfp = fdopen(NNTP, "r");
        NNTPwfp = fdopen(NNTP, "w");
        fgets(NNTPbuffer, sizeof NNTPbuffer, NNTPrfp);
        if (strncmp(NNTPbuffer, "220", 3) != 0) {
        bbslog("<bbslink> :Err: server error: %s", NNTPbuffer);
        if (Verbose)
            printf(":Err: server error: %s", NNTPbuffer);
        return 0;
        /* exit( 0 ); */
        }
        if (strncmp(NNTPbuffer, "220-", 4) == 0) {
        fgets(NNTPbuffer, sizeof NNTPbuffer, NNTPrfp);
        }
    } else {
        if (Verbose)
        printf("<inetclient> %s %s\n", hostname, hostport);
    }
    }
    return 1;
}

send_outgoing(node, site, hostname, sover, textline)
    nodelist_t     *node;
    soverview_t    *sover;
    char           *hostname, *site;
    char           *textline;
{
    int             status;
    char           *board, *filepath, *msgid;
    int             returnstatus = 0;

    board = sover->board;
    filepath = sover->filename;
    msgid = sover->msgid;

    if (Verbose)
    printf("<send_outgoing> %s:%s:%s:%s\n", site, board, filepath, msgid);
    if (BODY != NULL && !NoAction) {
    if (USEIHAVE) {
        /* status = tcpcommand("IHAVE <%s>", msgid); */
        char            buf[80];
        sprintf(buf, "IHAVE <%s>", msgid);
        status = tcpcommand(buf);
        if (status == 335) {
        returnstatus = post_article(node, site, sover, textline);
        } else if (status == 435) {
        bbslog("<bbslink> :Warn: %d %s, IHAVE <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
            printf(":Warn: %d %s, IHAVE <%s>\n", status, (char *)tcpmessage(), msgid);
        returnstatus = 0;
        } else {
        bbslog("<bbslink> :Err: %d %s, IHAVE <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
            printf(":Err: %d %s, IHAVE <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted"))
            queuefeed(node, textline);
        returnstatus = 0;
        }
    } else if (USEPOST) {
        tcpcommand("MODE READER");
        status = tcpcommand("POST");
        if (status == 340) {
        returnstatus = post_article(node, site, sover, textline);
        } else if (status == 441) {
        bbslog("<bbslink> :Warn: %d %s, POST <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
            printf(":Warn: %d %s, POST <%s>\n", status, (char *)tcpmessage(), msgid);
        returnstatus = 0;
        } else {
        bbslog("<bbslink> :Err: %d %s, POST <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
            printf(":Err: %d %s, POST <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted"))
            queuefeed(node, textline);
        returnstatus = 0;
        }
    } else {
        tcpcommand("HELO");
        tcpcommand("MAIL FROM: bbs");
        tcpcommand("RCPT TO: %s", hostname);
        status = tcpcommand("DATA");
        if (status == 354) {
        returnstatus = post_article(node, site, sover, textline);
        } else {
        bbslog("<bbslink> :Err: %d %s, DATA <%s>\n", status, (char *)tcpmessage(), msgid);
        if (Verbose)
            printf(":Err: %d %s, DATA <%s>\n", status, (char *)tcpmessage(), msgid);
        if (!strstr(tcpmessage(), "Article not posted"))
            queuefeed(node, textline);
        returnstatus = 0;
        }
    }
    } else if (NoAction) {
    returnstatus = post_article(node, site, sover, textline);
    }
    return returnstatus;
}

save_nntplink(node, overview)
    nodelist_t     *node;
    char           *overview;
{
    FILE           *POSTS;
    char            buffer[1024];

    openfeed(node);
    POSTS = fopen(overview, "r");
    if (POSTS == NULL)
    return 0;
    openfeed(node);
    /* if (node->feedfp == NULL) return 0; */
    flock(fileno(node->feedfp), LOCK_EX);
    while (fgets(buffer, sizeof buffer, POSTS) != NULL) {
    fputs(buffer, node->feedfp);
    fflush(node->feedfp);
    }
    flock(fileno(node->feedfp), LOCK_UN);
    fclose(POSTS);
    if (Verbose)
    printf("<Unlinking> %s\n", overview);
    if (!NoAction)
    unlink(overview);
    return 1;
}


char           *
get_tmpfile(tmpfile)
    char           *tmpfile;
{
    FILE           *FN;
    static char     result[256];

    FN = fopen(tmpfile, "r");
    fgets(result, sizeof result, FN);
    fclose(FN);
    unlink(tmpfile);
    return (result);
}

/* cancel moderating posts */

cancel_outgoing(board, filename, from, subject)
    char           *board, *filename, *from, *subject;
{
    char           *base, filepath[MAXPATHLEN];
    FILE           *FN;
    char           *result;
    char            TMPFILE[MAXPATHLEN];

    if (Verbose) {
    printf("<cancel_outgoing> %s %s %s %s\n", board, filename, from, subject);
    }
    sprintf(TMPFILE, "/tmp/cancel_outgoing.%d.%d", getuid(), getpid());

    bbslog("<cancel_outgoing> Try to move moderated post from %s to deleted\n", board);
    if (Verbose)
    printf("Try to move moderated post from %s to deleted\n", board);
    FN = popen(fileglue("%s/bbspost post %s/boards/d/deleted > %s",
            INNDHOME, BBSHOME, TMPFILE), "w");
    if (FN == NULL) {
    bbslog("<cancel_outgoing> can't run %s/bbspost\n", INNDHOME);
    if (Verbose)
        printf("<cancel_outgoing> can't run %s/bbspost\n", INNDHOME);
    return 0;
    }
    fprintf(FN, "%s\n", from);
    fprintf(FN, "%s\n", subject);
    fprintf(FN, "發信人: %s, 信區: %s\n", from, board);
    fprintf(FN, "標  題: %s\n", subject);
    fprintf(FN, "發信站: %s (%s)\n", MYSITE, DATE);
    fprintf(FN, "轉信站: %s\n", MYBBSID);
    fputs("\n", FN);
    fputs(BODY, FN);
    pclose(FN);
    result = (char *)get_tmpfile(TMPFILE);
    if (strncmp(result, "post to ", 8) == 0) {
    /* try to remove it */
    strncpy(filepath, fileglue("%s/boards/%c/%s/%s", BBSHOME, board[0], board, filename), sizeof filepath);
    if (isfile(filepath)) {
        Rename(filepath, fileglue("%s.cancel", filepath));
    }
    FN = fopen(filepath, "w");

    fprintf(FN, "發信人: %s, 信區: %s\n", from, board);
    fprintf(FN, "標  題: <article cancelled and mailed to the moderator\n");
    fprintf(FN, "發信站: %s (%s)\n", MYSITE, DATE);
    fprintf(FN, "轉信站: %s\n", MYBBSID);
    fprintf(FN, "\n");
    fputs("\n", FN);
    fprintf(FN, "你的文章 \"%s\" 已經送往審核中. 請等待回覆.\n", subject);
    fputs("\n", FN);
    fputs("Your post has been sent to the moderator and move\n", FN);
    fputs("into the deleted board. If the post accepted by the moderator,\n", FN);
    fputs("it will be posted in this board again. Please wait.\n", FN);

    } else {
    bbslog("%s", result);
    }

    bbslog("%s/bbspost cancel %s %s %s moderate\n", INNDHOME, BBSHOME, board, filename);
    if (Verbose)
    printf("%s/bbspost cancel %s %s %s moderate\n", INNDHOME, BBSHOME, board, filename);
    system(fileglue("%s/bbspost cancel %s %s %s moderate",
            INNDHOME, BBSHOME, board, filename));
    return 1;
}

/*
 * send_nntplink open_link read_outgoing send_outgoing post_article
 * cancel_outgoing
 */
send_nntplink(node, site, hostname, hostprot, hostport, overview, nlcount)
    nodelist_t     *node;
    char           *site, *hostname, *hostprot, *hostport, *overview;
    int             nlcount;
{
    FILE           *POSTS;
    char            textline[1024];
    char            baktextline[1024];
    char           *filepath;
    int             status;

    if (Verbose) {
    printf("<send nntplink> %s %s %s %s\n", site, hostname, hostprot, hostport);
    printf("    ==> %s\n", overview);
    }
    if (!open_link(hostname, hostprot, hostport)) {
    save_nntplink(node, overview);
    return 0;
    }
    POSTS = fopen(overview, "r");
    if (POSTS == NULL) {
    if (Verbose)
        printf("open %s failed\n", overview);
    return 0;
    }
    while (fgets(textline, sizeof textline, POSTS) != NULL) {
    char           *linebreak = strchr(textline, '\n');
    char           *ptr;
    char           *board, *filename, *subject, *group, *mtime, *from;
    char           *outgoingtype;
    char           *msgid, *path;
    soverview_t     soverview;

    strcpy(baktextline, textline);
    if (linebreak)
        *linebreak = '\0';

    board = "", filename = "", mtime = "", group = "", from = "", subject = "";
    outgoingtype = "", msgid = "", path = "";
    /* get board field */
    board = textline;
    ptr = strchr(textline, '\t');
    if (ptr == NULL)
        continue;
    *ptr++ = '\0';

    /* filename field */
    filename = ptr;

    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        continue;

    *ptr++ = '\0';

    /* group field */
    group = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        continue;
    *ptr++ = '\0';

    /* mtime field */
    mtime = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        continue;
    *ptr++ = '\0';

    /* from field */
    from = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        continue;
    *ptr++ = '\0';

    /* subject */
    subject = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        goto try_read_outgoing;
    *ptr++ = '\0';

    /* outgoing type field */
    outgoingtype = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        goto try_read_outgoing;
    *ptr++ = '\0';

    /* msgid */
    msgid = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        goto try_read_outgoing;
    *ptr++ = '\0';

    /* path */
    path = ptr;
    ptr = strchr(ptr, '\t');
    if (ptr == NULL)
        goto try_read_outgoing;

try_read_outgoing:

    NEWSFEED = LOCAL;
    if (outgoingtype && msgid && path && *outgoingtype && *msgid && *path) {
        char           *left, *right;

        NEWSFEED = REMOTE;
        left = strchr(msgid, '<');
        right = strrchr(msgid, '>');
        if (left)
        msgid = left + 1;
        if (right)
        *right = '\0';
    }
    soverview.board = board;
    soverview.filename = filename;
    soverview.group = group;
    soverview.mtime = atol(mtime);
    soverview.from = from;
    str_decode_M3(subject);
    soverview.subject = subject;
    soverview.outgoingtype = outgoingtype;
    soverview.msgid = msgid;
    soverview.path = path;
    if (read_outgoing(&soverview) == 0) {
        int             sendresult = send_outgoing(node, site, hostname, &soverview, baktextline);
        int             sendfailed = 1 - sendresult;

        if (NEWSFEED == REMOTE) {
        BBSLINK_STAT[nlcount].remotesendout += sendresult;
        BBSLINK_STAT[nlcount].remotefailed += sendfailed;
        } else {
        BBSLINK_STAT[nlcount].localsendout += sendresult;
        BBSLINK_STAT[nlcount].localfailed += sendfailed;
        }
        if (node->feedtype == '-') {
        if (!NoAction && sendresult)
            cancel_outgoing(board, filename, from, subject);
        }
    }
    }
    fclose(POSTS);
    close_link();
    if (Verbose)
    printf("<Unlinking> %s\n", overview);
    if (!NoAction)
    unlink(overview);
}

close_link()
{
    int             status;

    if (Verbose)
    printf("<close_link>\n");
    if (NoAction)
    return;
    status = tcpcommand("QUIT");
    if (status != 205 && status != 221) {
    bbslog("<bbslink> :Err: Cannot quit message '%d %s'\n", status, (char *)tcpmessage());
    if (Verbose)
        printf(":Err: Cannot quit message '%d %s'\n", status, (char *)tcpmessage());
    }
    fclose(NNTPwfp);
    fclose(NNTPrfp);
    close(NNTP);
}


/*
 * send_article() send_nntplink() read_outgoing()
 * 
 */

send_article()
{
    char           *site, *addr, *protocol, *port, *op;
    char           *nntphost;
    int             nlcount;

    chdir(INNDHOME);

    for (nlcount = 0; nlcount < NLCOUNT; nlcount++) {
    nodelist_t     *node;
    char            linkfile[MAXPATHLEN];
    char            sendfile[MAXPATHLEN];
    char            feedfile[MAXPATHLEN];
    char            feedingfile[MAXPATHLEN];
    char            protocol[MAXBUFLEN], port[MAXBUFLEN];

    node = NODELIST + nlcount;
    site = node->node;
    nntphost = node->host;
    op = node->protocol;

    if (DefaultFeedSite && *DefaultFeedSite) {
        if (strcmp(node->node, DefaultFeedSite) != 0)
        continue;
    }
    if (op && (strncasecmp(op, "ihave", 5) == 0 ||
           strncasecmp(op, "post", 4) == 0 ||
           strncasecmp(op, "data", 4) == 0)) {
        char           *left, *right;

        left = strchr(op, '('), right = strrchr(op, ')');
        if (left && right) {
        *left = '\0';
        *right = '\0';
        strncpy(protocol, op, sizeof protocol);
        strncpy(port, left + 1, sizeof port);
        *left = '(';
        *right = ')';
        } else {
        strncpy(protocol, op, sizeof protocol);
        strncpy(port, "nntp", sizeof port);
        }
    } else {
        strcpy(protocol, "IHAVE");
        strcpy(port, "nntp");
    }
    sprintf(linkfile, "%s.link", site);
    sprintf(sendfile, "%s.sending", site);
    sprintf(feedfile, "%s.feed", site);
    sprintf(feedingfile, "%s.feeding", site);
    if (isfile(sendfile) && !iszerofile(sendfile)) {
        if (bbslink_get_lock(sendfile)) {
        send_nntplink(node, site, nntphost, protocol, port, sendfile, nlcount);
        bbslink_un_lock(sendfile);
        }
    }
    if (isfile(linkfile) && !iszerofile(linkfile)) {
        if (!NoAction) {
        if (bbslink_get_lock(sendfile) && bbslink_get_lock(linkfile) &&
            bbslink_get_lock(feedingfile)) {
            if (isfile(sendfile) && !iszerofile(sendfile)) {
            save_nntplink(node, sendfile);
            }
            if (node->feedfp) {
            fclose(node->feedfp);
            node->feedfp = NULL;
            }
            Rename(linkfile, sendfile);
            send_nntplink(node, site, nntphost, protocol, port, sendfile, nlcount);
            bbslink_un_lock(linkfile);
            bbslink_un_lock(sendfile);
            bbslink_un_lock(feedingfile);
        }
        } else {
        send_nntplink(node, site, nntphost, protocol, port, linkfile, nlcount);
        }
    }
    if (isfile(feedingfile) && !iszerofile(feedingfile)) {
        if (bbslink_get_lock(feedingfile)) {
        send_nntplink(node, site, nntphost, protocol, port, feedingfile, nlcount);
        bbslink_un_lock(feedingfile);
        }
    }
    if (isfile(feedfile) && !iszerofile(feedfile)) {
        if (!NoAction) {
        if (bbslink_get_lock(feedfile) && bbslink_get_lock(feedingfile)) {
            if (isfile(feedingfile) && !iszerofile(feedingfile)) {
            save_nntplink(node, feedingfile);
            if (node->feedfp) {
                fclose(node->feedfp);
                node->feedfp = NULL;
            }
            }
            Rename(feedfile, feedingfile);
            system(fileglue("%s/ctlinnbbsd reload > /dev/null", INNDHOME));
            send_nntplink(node, site, nntphost, protocol, port, feedingfile, nlcount);
            bbslink_un_lock(feedfile);
            bbslink_un_lock(feedingfile);
        }
        } else {
        send_nntplink(node, site, nntphost, protocol, port, feedfile, nlcount);
        }
    }
    }
}

/* bntplink() bbspost() process_article() process_cancel() send_article() */


show_usage(argv)
    char           *argv;
{
    fprintf(stderr, "%s initialization failed or improper options !!\n", argv);
    fprintf(stderr, "Usage: %s [options] bbs_home\n", argv);
    fprintf(stderr, "       -v (show transmission status)\n");
    fprintf(stderr, "       -n (dont send out articles and leave queue untouched)\n");
    fprintf(stderr, "       -s site (only process articles sent to site)\n");
    fprintf(stderr, "       -V (visit only: bbspost visit)\n");
    fprintf(stderr, "       -N (no visit, and only process batch queue)\n");
    fprintf(stderr, "       -k (kill the former bbslink process before started)\n\n");
    fprintf(stderr, "本程式要正常執行必須將以下檔案置於 %s/innd 下:\n", BBSHOME);
    fprintf(stderr, "bbsname.bbs   設定貴站的 BBS ID (請儘量簡短)\n");
    fprintf(stderr, "nodelist.bbs  設定網路各 BBS 站的 ID, Address 和 fullname\n");
    fprintf(stderr, "newsfeeds.bbs 設定網路信件的 newsgroup board nodelist ...\n");
}


bntplink(argc, argv)
    int             argc;
    char          **argv;
{
    static char    *OUTING = ".outing";
    nodelist_t     *nl;
    int             linkport;
    char            result[4096];
    char            cancelfile[MAXPATHLEN], cancelpost[MAXPATHLEN];
    char            bbslink_lockfile[MAXPATHLEN];
    FILE           *NEWPOST;
    char           *left, *right;
    int             nlcount;

    //strcpy(BBSHOME, argv[0]);
    if (initial_bbs("link") == 0) {
    return -1;
    }
    BBSLINK_STAT = (stat_t *) malloc(sizeof(stat_t) * (NLCOUNT + 1));
    for (nlcount = 0; nlcount < NLCOUNT; nlcount++) {
    BBSLINK_STAT[nlcount].localsendout = 0;
    BBSLINK_STAT[nlcount].remotesendout = 0;
    BBSLINK_STAT[nlcount].localfailed = 0;
    BBSLINK_STAT[nlcount].remotefailed = 0;
    }

    nl = (nodelist_t *) search_nodelist_bynode(MYBBSID);
    if (nl == NULL) {
    *MYADDR = '\0';
    *MYSITE = '\0';
    *LINKPROTOCOL = '\0';
    } else {
    strncpy(MYADDR, nl->host, sizeof MYADDR);
    strncpy(LINKPROTOCOL, nl->protocol, sizeof LINKPROTOCOL);
    strncpy(MYSITE, nl->comments, sizeof MYSITE);
    }
    if (Verbose) {
    printf("MYADDR: %s\n", MYADDR);
    printf("MYSITE: %s\n", MYSITE);
    }
    left = strchr(nl->protocol, '(');
    right = strrchr(nl->protocol, ')');
    if (left && right) {
    *right = '\0';
    strncpy(LINKPROTOCOL, nl->protocol, sizeof LINKPROTOCOL);
    LINKPORT = atoi(left + 1);
    *right = ')';
    }
    if (!NoVisit) {
    sprintf(bbslink_lockfile, "%s/.bbslink.visit", INNDHOME);
    if (!Rename(fileglue("%s/out.bntp", INNDHOME), OUTING) && bbslink_get_lock(bbslink_lockfile)) {
        /* When try to visit new post, try to lock it */
        NEWPOST = fopen(OUTING, "r");
        if (NEWPOST == NULL) {
        bbslog("<bbslink> Err: can't open %s\n", OUTING);
        bbslink_un_lock(bbslink_lockfile);
        return -1;
        }
        while (fgets(result, sizeof result, NEWPOST)) {
        /* chop( $_ ); */
        char           *board, *filename, *userid, *nickname, *subject;
        char           *ptr;

        ptr = strchr(result, '\n');
        if (ptr)
            *ptr = '\0';

        board = filename = userid = nickname = subject = NULL;
        /* board field */
        board = result;
        ptr = strchr(result, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* filename field */
        filename = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* userid field */
        userid = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* nickname field */
        nickname = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* subject field */
        subject = ptr;
        /*
         * ptr = strchr(ptr, '\t'); if (ptr == NULL) continue; ptr++
         * = '\0';
         */

        if (bad_subject(subject))
            continue;

        if (outgo_post < MAX_OUTGO_POST) {
            out_bntp[outgo_post].board = board;
            out_bntp[outgo_post].filename = filename;
            out_bntp[outgo_post].userid = userid;
            out_bntp[outgo_post].nickname = nickname;
            out_bntp[outgo_post].subject = subject;
            outgo_post++;
        }
        process_article(board, filename, userid, nickname, subject);
        }
        fclose(NEWPOST);
        unlink(OUTING);
        bbslink_un_lock(bbslink_lockfile);
    }           /* getlock */
    }               /* if NoVisit is false */
    sprintf(cancelpost, "%s/cancel.bntp", INNDHOME);
    if (isfile(cancelpost)) {
    FILE           *CANCELFILE;

    if (bbslink_get_lock(cancelpost) && bbslink_get_lock(cancelfile)) {
        sprintf(cancelfile, "%s.%d", cancelpost, getpid());
        Rename(cancelpost, cancelfile);
        CANCELFILE = fopen(cancelfile, "r");
        while (fgets(result, sizeof result, CANCELFILE) != NULL) {
        /* chop( $_ ); */
        char           *board, *filename, *userid, *nickname, *subject;
        char           *ptr, **sptr;

        ptr = strchr(result, '\n');
        if (ptr)
            *ptr = '\0';
        board = filename = userid = nickname = subject = NULL;

        /* board field */
        board = result;
        ptr = strchr(result, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* filename field */
        filename = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* userid field */
        userid = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* nickname field */
        nickname = ptr;
        ptr = strchr(ptr, '\t');
        if (ptr == NULL)
            continue;
        *ptr++ = '\0';

        /* subject field */
        subject = ptr;
        /*
         * ptr = strchr(ptr, '\t'); if (ptr == NULL) continue; ptr++
         * = '\0';
         */
        if (!is_outgo_post(board, filename, userid, nickname, subject))
            process_cancel(board, filename, userid, nickname, subject);
        }
        fclose(CANCELFILE);
        if (Verbose)
        printf("Unlinking %s\n", cancelfile);
        if (!NoAction)
        unlink(cancelfile);
        bbslink_un_lock(cancelfile);
        bbslink_un_lock(cancelpost);
    }
    }
    for (nlcount = 0; nlcount < NLCOUNT; nlcount++) {
    if (NODELIST[nlcount].feedfp != NULL) {
        fclose(NODELIST[nlcount].feedfp);
        NODELIST[nlcount].feedfp = NULL;
    }
    }

    send_article();
    for (nlcount = 0; nlcount < NLCOUNT; nlcount++) {
    int             localsendout, remotesendout, localfailed, remotefailed;

    localsendout = BBSLINK_STAT[nlcount].localsendout;
    remotesendout = BBSLINK_STAT[nlcount].remotesendout;
    localfailed = BBSLINK_STAT[nlcount].localfailed;
    remotefailed = BBSLINK_STAT[nlcount].remotefailed;
    if (localsendout || remotesendout || localfailed || remotefailed)
        bbslog("<bbslink> [%s]%s lsend:%d rsend:%d lfail:%d rfail:%d\n",
           NODELIST[nlcount].node, NoAction ? "NoAction" : "", localsendout, remotesendout,
           localfailed, remotefailed);
    if (NODELIST[nlcount].feedfp != NULL) {
        fclose(NODELIST[nlcount].feedfp);
        NODELIST[nlcount].feedfp = NULL;
    }
    }
    if (BBSLINK_STAT);
    free(BBSLINK_STAT);
    return 0;
}
/*
 * termbbslink(sig) int sig; { bbslog("kill signal received %d,
 * terminated\n", sig); if (Verbose) printf("kill signal received %d,
 * terminated\n", sig); exit(0); }
 */
void
termbbslink()
{
    bbslog("kill signal received ??, terminated\n");
    if (Verbose)
    printf("kill signal received ??, terminated\n");
    exit(0);
}

char           *REMOTEUSERNAME = "";
char           *REMOTEHOSTNAME = "";

extern char    *optarg;
extern int      opterr, optind;

main(argc, argv)
    int             argc;
    char          **argv;
{
    int             c, errflag = 0;

    CONTROL = CONTROL_BUF;
    MSGID = MSGID_BUF;

    /* For debug Only */
#define DEBUGBBSLINK

#ifdef DEBUGBBSLINK
    NoAction = 0;
    Verbose = 0;
    VisitOnly = 0;
    NoVisit = 0;
    DefaultFeedSite = "";
#endif

    while ((c = getopt(argc, argv, "s:hnvVNk")) != -1)
    switch (c) {
    case 's':
        DefaultFeedSite = optarg;
        break;
    case 'n':
        NoAction = 1;
        break;
    case 'v':
        Verbose = 1;
        break;
    case 'V':
        VisitOnly = 1;
        break;
    case 'N':
        NoVisit = 1;
        break;
    case 'k':
        KillFormerBBSLINK = 1;
        break;
    case 'h':
    default:
        errflag++;
        break;
    }
    if (errflag > 0) {
    show_usage(argv[0]);
    return (1);
    }
    if (argc - optind < 1) {
    show_usage(argv[0]);
    exit(1);
    }
    signal(SIGTERM, termbbslink);
    if (bntplink(argc - optind, argv + optind) != 0) {
    show_usage(argv[0]);
    exit(1);
    }
    return 0;
}