void FREE(void *ptr)
{
int size = ((int *)ptr)[-1];
munmap((void *)(&(((int *)ptr)[-1])), size);
#if defined(DEBUG)
vmsgf("critical free %d bytes", size);
#endif
}
void *MALLOC(int size)
{
int *p;
p = (int *)mmap(NULL, (size + 4), PROT_READ | PROT_WRITE,
MAP_ANON | MAP_PRIVATE, -1, 0);
p[0] = size;
#if defined(DEBUG)
vmsgf("critical malloc %d bytes", size);
#endif
return (void *)&p[1];
}
static void
a_showname(const menu_t * pm)
{
char buf[PATHLEN];
int len;
int i;
int sym;
move(b_lines - 1, 0);
snprintf(buf, sizeof(buf),
"%s/%s", pm->path, pm->header[pm->now - pm->page].filename);
if (dashl(buf)) {
prints("此 symbolic link 名稱為 %s\n",
pm->header[pm->now - pm->page].filename);
if ((len = readlink(buf, buf, PATHLEN - 1)) >= 0) {
buf[len] = '\0';
for (i = 0; BBSHOME[i] && buf[i] == BBSHOME[i]; i++);
if (!BBSHOME[i] && buf[i] == '/') {
if (HasUserPerm(PERM_BBSADM))
sym = 1;
else {
sym = 0;
for (i++; BBSHOME "/man"[i] && buf[i] == BBSHOME "/man"[i];
i++);
if (!BBSHOME "/man"[i] && buf[i] == '/')
sym = 1;
}
if (sym) {
vmsgf("此 symbolic link 指向 %s", &buf[i + 1]);
}
}
}
} else if (dashf(buf))
prints("此文章名稱為 %s", pm->header[pm->now - pm->page].filename);
else if (dashd(buf))
prints("此目錄名稱為 %s", pm->header[pm->now - pm->page].filename);
else
outs("此項目已損毀, 建議將其刪除！");
pressanykey();
}
int
a_menu_rec(const char *maintitle, const char *path,
int lastlevel, int lastbid,
char *trans_buffer,
a_menu_session_t *sess,
const int *preselect,
// we don't change root's value (but may change root pointer)
// we may change parent's value (but never change parent pointer)
const menu_t *root, menu_t* const parent)
{
menu_t me = {0};
char fname[PATHLEN];
int ch, returnvalue = FULLUPDATE;
assert(sess);
// prevent deep resursive directories
if (strlen(path) + FNLEN >= PATHLEN)
{
// it is not save to enter such directory.
return returnvalue;
}
if(trans_buffer)
trans_buffer[0] = '\0';
if (parent)
{
parent->next = &me;
} else {
assert(root == NULL);
root = &me;
}
me.header_size = p_lines;
me.header = (fileheader_t *) calloc(me.header_size, FHSZ);
me.path = path;
strlcpy(me.mtitle, maintitle, sizeof(me.mtitle));
setadir(fname, me.path);
me.num = get_num_records(fname, FHSZ);
me.bid = lastbid;
/* 精華區-tree 中部份結構屬於 cuser ==> BM */
if (!(me.level = lastlevel)) {
char *ptr;
// warning: this is only valid for me.level.
// is_uBM should not do anything except returning test result:
// for ex, setting user BM permission automatically.
// such extra behavior will result in any sub-op to have PERM_BM
// ability, which leads to entering BM board without authority.
// Thanks to mtdas@ptt for reporting this exploit.
if (HasBasicUserPerm(PERM_LOGINOK) &&
!HasUserPerm(PERM_NOCITIZEN) &&
(ptr = strrchr(me.mtitle, '[')))
me.level = is_uBM(ptr + 1, cuser.userid);
}
me.page = A_INVALID_PAGE;
if (preselect && !*preselect)
preselect = NULL;
me.now = preselect ? (*preselect -1) : 0;
for (;;) {
if (me.now >= me.num)
me.now = me.num - 1;
if (me.now < 0)
me.now = 0;
if (me.now < me.page || me.now >= me.page + me.header_size) {
me.page = me.now - ((me.page == 10000 && me.now > p_lines / 2) ?
(p_lines / 2) : (me.now % p_lines));
if (!a_showmenu(&me))
{
// some directories are invalid, restart!
sess->bReturnToRoot = 1;
break;
}
}
if (preselect && *preselect && preselect[1])
{
// if this is not the last preselect entry, enter it
ch = KEY_ENTER;
} else {
ch = cursor_key(2 + me.now - me.page, 0);
}
if (ch == 'q' || ch == 'Q' || ch == KEY_LEFT)
break;
// TODO maybe we should let 1-9=simple search and z=tree-search
// TODO or let 'z' prefix means 'back to root'
if ((ch >= '1' && ch <= '9') || (ch == 'z' || ch == 'Z')) {
int n = a_multi_search_num(ch, sess);
me.page = A_INVALID_PAGE;
if (n > 0)
{
// simple (single) selection
me.now = n-1;
me.page = 10000; // I don't know what's the magic value 10000...
}
else if (n == 0 && sess->z_indexes[0] == 0)
{
// empty/invalid input
}
else
{
// n == 0 with multiple selects
preselect = sess->z_indexes;
if (*preselect < 0)
{
// return to root first?
if (parent)
{
sess->bReturnToRoot = 1;
return DONOTHING;
}
// already in root
preselect ++;
}
// handle first preselect (maybe zero due to previous 'already in root')
if (*preselect > 0)
me.now = *preselect - 1;
else
preselect = NULL;
}
continue;
}
switch (ch) {
case KEY_UP:
case 'k':
if (--me.now < 0)
me.now = me.num - 1;
break;
case KEY_DOWN:
case 'j':
if (++me.now >= me.num)
me.now = 0;
break;
case KEY_PGUP:
case Ctrl('B'):
if (me.now >= p_lines)
me.now -= p_lines;
else if (me.now > 0)
me.now = 0;
else
me.now = me.num - 1;
break;
case ' ':
case KEY_PGDN:
case Ctrl('F'):
if (me.now < me.num - p_lines)
me.now += p_lines;
else if (me.now < me.num - 1)
me.now = me.num - 1;
else
me.now = 0;
break;
case KEY_HOME:
case '0':
me.now = 0;
break;
case KEY_END:
case '$':
me.now = me.num - 1;
break;
case '?':
case '/':
if(me.num) {
me.now = a_searchtitle(&me, ch == '?');
me.page = A_INVALID_PAGE;
}
break;
case 'h':
a_showhelp(me.level);
me.page = A_INVALID_PAGE;
break;
case Ctrl('W'):
a_where_am_i(root, me.now, me.header[me.now - me.page].title);
vmsg(NULL);
me.page = A_INVALID_PAGE;
break;
case 'e':
case 'E':
snprintf(fname, sizeof(fname),
"%s/%s", path, me.header[me.now - me.page].filename);
if (dashf(fname) && me.level >= MANAGER) {
int edflags = 0;
*quote_file = 0;
# ifdef BN_BBSMOVIE
if (me.bid && strcmp(getbcache(me.bid)->brdname,
BN_BBSMOVIE) == 0)
{
edflags |= EDITFLAG_UPLOAD;
edflags |= EDITFLAG_ALLOWLARGE;
}
# endif // BN_BBSMOVIE
if (vedit2(fname, NA, NULL, edflags) != -1) {
char fpath[PATHLEN];
fileheader_t fhdr;
strlcpy(fpath, path, sizeof(fpath));
stampfile(fpath, &fhdr);
unlink(fpath);
strlcpy(fhdr.filename,
me.header[me.now - me.page].filename,
sizeof(fhdr.filename));
strlcpy(me.header[me.now - me.page].owner,
cuser.userid,
sizeof(me.header[me.now - me.page].owner));
setadir(fpath, path);
substitute_record(fpath, me.header + me.now - me.page,
sizeof(fhdr), me.now + 1);
}
me.page = A_INVALID_PAGE;
}
break;
case 't':
case 'c':
if (me.now < me.num) {
if (!isvisible_man(&me))
break;
snprintf(fname, sizeof(fname), "%s/%s", path,
me.header[me.now - me.page].filename);
/* XXX: dirty fix
應該要改成如果發現該目錄裡面有隱形目錄的話才拒絕.
不過這樣的話須要整個搜一遍, 而且目前判斷該資料是目錄
還是檔案竟然是用 fstat(2) 而不是直接存在 .DIR 內 |||b
須等該資料寫入 .DIR 內再 implement才有效率.
*/
if( !me.level && !HasUserPerm(PERM_SYSOP) &&
(me.bid==0 || !is_BM_cache(me.bid)) && dashd(fname) )
vmsg("只有板主才可以拷貝目錄唷!");
else
a_copyitem(fname, me.header[me.now - me.page].title, 0, 1);
me.page = A_INVALID_PAGE;
/* move down */
if (++me.now >= me.num)
me.now = 0;
break;
}
case KEY_ENTER:
case KEY_RIGHT:
case 'r':
if (me.now >= me.num || me.now < 0)
{
preselect = NULL;
continue;
}
else
{
fileheader_t *fhdr = &me.header[me.now - me.page];
const int *newselect = preselect ? preselect+1 : NULL;
preselect = NULL;
if (!isvisible_man(&me))
break;
#ifdef DEBUG
vmsgf("%s/%s", &path[11], fhdr->filename);;
#endif
snprintf(fname, sizeof(fname), "%s/%s", path, fhdr->filename);
if (dashf(fname)) {
int more_result;
while ((more_result = more(fname, YEA))) {
/* Ptt 範本精靈 plugin */
if (trans_buffer &&
(currstat == EDITEXP || currstat == OSONG)) {
char ans[4];
move(22, 0);
clrtoeol();
getdata(22, 1,
currstat == EDITEXP ?
"要把範例加入到文章內嗎?[y/N]" :
"確定要選這篇嗎?[y/N]",
ans, sizeof(ans), LCECHO);
if (ans[0] == 'y') {
strlcpy(trans_buffer, fname, PATHLEN);
sess->bReturnToRoot = 1;
if (currstat == OSONG) {
log_filef(FN_USSONG, LOG_CREAT, "%s\n", fhdr->title);
}
free(me.header);
return FULLUPDATE;
}
}
if (more_result == READ_PREV) {
if (--me.now < 0) {
me.now = 0;
break;
}
} else if (more_result == READ_NEXT) {
if (++me.now >= me.num) {
me.now = me.num - 1;
break;
}
/* we only load me.header_size pages */
if (me.now - me.page >= me.header_size)
break;
} else
break;
if (!isvisible_man(&me))
break;
snprintf(fname, sizeof(fname), "%s/%s", path,
me.header[me.now - me.page].filename);
if (!dashf(fname))
break;
}
} else if (dashd(fname)) {
returnvalue = a_menu_rec(me.header[me.now - me.page].title, fname,
me.level, me.bid, trans_buffer,
sess, newselect, root, &me);
if (returnvalue == DONOTHING)
{
// DONOTHING will only be caused by previous a_multi_search_num + preselect.
assert(sess->bReturnToRoot);
if (!parent)
{
// we've reached root menu!
assert(sess->z_indexes[0] == -1);
sess->bReturnToRoot = 0;
returnvalue = FULLUPDATE;
preselect = sess->z_indexes+1; // skip first 'return to root'
if (*preselect > 0)
me.now = *preselect-1;
}
} else {
returnvalue = FULLUPDATE;
}
me.next = NULL;
/* Ptt 強力跳出recursive */
if (sess->bReturnToRoot) {
free(me.header);
return returnvalue;
}
}
me.page = A_INVALID_PAGE;
}
break;
case 'F':
case 'U':
if (me.now < me.num) {
fileheader_t *fhdr = &me.header[me.now - me.page];
if (!isvisible_man(&me))
break;
snprintf(fname, sizeof(fname),
"%s/%s", path, fhdr->filename);
if (HasBasicUserPerm(PERM_LOGINOK) && dashf(fname)) {
a_forward(path, fhdr, ch /* == 'U' */ );
/* By CharlieL */
} else
vmsg("無法轉寄此項目");
me.page = A_INVALID_PAGE;
}
break;
}
if (me.level >= MANAGER) {
switch (ch) {
case 'n':
a_newitem(&me, ADDITEM);
me.page = A_INVALID_PAGE;
break;
case 'g':
a_newitem(&me, ADDGROUP);
me.page = A_INVALID_PAGE;
break;
case 'p':
a_pasteitem(&me, 1);
me.page = A_INVALID_PAGE;
break;
case 'f':
a_editsign(&me);
me.page = A_INVALID_PAGE;
break;
case Ctrl('P'):
a_pastetagpost(&me, -1);
returnvalue = DIRCHANGED;
me.page = A_INVALID_PAGE;
break;
case Ctrl('A'):
a_pastetagpost(&me, 1);
returnvalue = DIRCHANGED;
me.page = A_INVALID_PAGE;
break;
case 'a':
a_appenditem(&me, 1);
me.page = A_INVALID_PAGE;
break;
}
if (me.num)
switch (ch) {
case 'm':
a_moveitem(&me);
me.page = A_INVALID_PAGE;
break;
case 'D':
/* Ptt me.page = -1; */
a_delrange(&me, sess->backup_dir);
me.page = A_INVALID_PAGE;
break;
case 'd':
a_delete(&me, sess->backup_dir);
me.page = A_INVALID_PAGE;
break;
case 'H':
a_hideitem(&me);
me.page = A_INVALID_PAGE;
break;
case 'T':
a_newtitle(&me);
me.page = A_INVALID_PAGE;
break;
#ifdef CHESSCOUNTRY
case 'L':
a_setchesslist(&me);
break;
#endif
}
}
if (me.level >= SYSOP) {
switch (ch) {
case 'N':
a_showname(&me);
me.page = A_INVALID_PAGE;
break;
}
}
}
free(me.header);
return returnvalue;
}
