/*
* Remove a user from the list.
* Destroy all his permissions and completely detach him from the session.
*/
int
UserDel(char *name, struct acluser **up)
{
struct acluser *u;
int i;
struct display *old, *next;
if (!up)
up = FindUserPtr(name);
if (!(u = *up))
return -1; /* he who does not exist cannot be removed */
old = display;
for (display = displays; display; display = next)
{
next = display->d_next; /* read the next ptr now, Detach may zap it. */
if (D_user != u)
continue;
if (display == old)
old = NULL;
Detach(D_REMOTE);
}
display = old;
*up = u->u_next;
for (up = &users; *up; up = &(*up)->u_next)
{
/* unlink all group references to this user */
struct aclusergroup **g = &(*up)->u_group;
while (*g)
{
if ((*g)->u == u)
{
struct aclusergroup *next = (*g)->next;
free((char *)(*g));
*g = next;
}
else
g = &(*g)->next;
}
}
ACLBYTE(userbits, u->u_id) &= ~ACLBIT(u->u_id);
/* restore the bits in his slot to default: */
AclSetPerm(NULL, u, default_w_bit[ACL_READ] ? "+r" : "-r", "#");
AclSetPerm(NULL, u, default_w_bit[ACL_WRITE]? "+w" : "-w", "#");
AclSetPerm(NULL, u, default_w_bit[ACL_EXEC] ? "+x" : "-x", "#");
AclSetPerm(NULL, u, default_c_bit[ACL_EXEC] ? "+x" : "-x", "?");
for (i = 0; i < ACL_BITS_PER_WIN; i++)
free((char *)u->u_umask_w_bits[i]);
debug1("FREEING user structure for %s\n", u->u_name);
UserFreeCopyBuffer(u);
free((char *)u);
if (!users)
{
debug("Last user deleted. Feierabend.\n");
Finit(0); /* Destroying whole session. Noone could ever attach again. */
}
return 0;
}
int GetHistory()
{ /* return value 1 if copybuffer changed */
int i = 0, q = 0, xx, yy, x, y;
uint32_t *linep;
struct mline *ml;
x = fore->w_x;
if (x >= fore->w_width)
x = fore->w_width - 1;
y = fore->w_y + fore->w_histheight;
ml = WIN(y);
for (xx = x - 1, linep = ml->image + xx; xx >= 0; xx--)
if ((q = *linep--) != ' ')
break;
for (yy = y - 1; yy >= 0; yy--) {
ml = WIN(yy);
linep = ml->image;
if (xx < 0 || eq(linep[xx], q)) { /* line is matching... */
for (i = fore->w_width - 1, linep += i; i >= x; i--)
if (*linep-- != ' ')
break;
if (i >= x)
break;
}
}
if (yy < 0)
return 0;
if (D_user->u_plop.buf)
UserFreeCopyBuffer(D_user);
if ((D_user->u_plop.buf = malloc((unsigned)(i - x + 2))) == NULL) {
LMsg(0, "Not enough memory... Sorry.");
return 0;
}
memmove(D_user->u_plop.buf, (char *)linep - i + x + 1, i - x + 1);
D_user->u_plop.len = i - x + 1;
D_user->u_plop.enc = fore->w_encoding;
return 1;
}
static void MarkProcess(char **inbufp, size_t *inlenp)
{
char *inbuf, *pt;
int inlen;
int cx, cy, x2, y2, j, yend;
int newcopylen = 0, od;
int in_mark;
int rep_cnt;
struct acluser *md_user;
/*
char *extrap = 0, extrabuf[100];
*/
markdata = (struct markdata *)flayer->l_data;
fore = markdata->md_window;
md_user = markdata->md_user;
if (inbufp == 0) {
MarkAbort();
return;
}
LGotoPos(flayer, markdata->cx, W2D(markdata->cy));
inbuf = *inbufp;
inlen = *inlenp;
pt = inbuf;
in_mark = 1;
while (in_mark && (inlen /* || extrap */ )) {
unsigned char ch = (unsigned char)*pt++;
inlen--;
if (flayer->l_mouseevent.start) {
int r = LayProcessMouse(flayer, ch);
if (r == -1)
LayProcessMouseSwitch(flayer, 0);
else {
if (r)
ch = 0222;
else
continue;
}
}
od = mark_key_tab[(int)ch];
rep_cnt = markdata->rep_cnt;
if (isdigit(od) && !markdata->f_cmd.flag) {
if (rep_cnt < 1001 && (od != '0' || rep_cnt != 0)) {
markdata->rep_cnt = 10 * rep_cnt + od - '0';
continue;
/*
* Now what is that 1001 here? Well, we have a screen with
* 25 * 80 = 2000 characters. Movement is at most across the full
* screen. This we do with word by word movement, as character by
* character movement never steps over line boundaries. The most words
* we can place on the screen are 1000 single letter words. Thus 1001
* is sufficient. Users with bigger screens never write in single letter
* words, as they should be more advanced. jw.
* Oh, wrong. We still give even the experienced user a factor of ten.
*/
}
}
cx = markdata->cx;
cy = markdata->cy;
if (markdata->f_cmd.flag) {
markdata->f_cmd.flag = 0;
markdata->rep_cnt = 0;
if (isgraph(od)) {
markdata->f_cmd.target = od;
rep_cnt = (rep_cnt) ? rep_cnt : 1;
nextchar(&cx, &cy, markdata->f_cmd.direction, od, rep_cnt);
revto(cx, cy);
continue;
}
}
processchar:
switch (od) {
case 'f': /* fall through */
case 'F': /* fall through */
case 't': /* fall through */
case 'T': /* fall through */
/*
* Set f_cmd to do a search on the next key stroke.
* If we break, rep_cnt will be reset, so we
* continue instead. It might be cleaner to
* store the rep_count in f_cmd and
* break here so later followon code will be
* hit.
*/
markdata->f_cmd.flag = 1;
markdata->f_cmd.direction = od;
continue;
case ';':
case ',':
if (!markdata->f_cmd.target)
break;
if (!rep_cnt)
rep_cnt = 1;
nextchar(&cx, &cy,
od == ';' ? markdata->f_cmd.direction : (markdata->f_cmd.direction ^ 0x20),
markdata->f_cmd.target, rep_cnt);
revto(cx, cy);
break;
case 'o':
case 'x':
if (!markdata->second)
break;
markdata->cx = markdata->x1;
markdata->cy = markdata->y1;
markdata->x1 = cx;
markdata->y1 = cy;
revto(markdata->cx, markdata->cy);
break;
case '\014': /* CTRL-L Redisplay */
Redisplay(0);
LGotoPos(flayer, cx, W2D(cy));
break;
case 0202: /* M-C-b */
case '\010': /* CTRL-H Backspace */
case 'h':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx - rep_cnt, cy);
break;
case 0216: /* M-C-p */
case '\016': /* CTRL-N */
case 'j':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx, cy + rep_cnt);
break;
case '+':
if (rep_cnt == 0)
rep_cnt = 1;
j = cy + rep_cnt;
if (j > fore->w_histheight + fore->w_height - 1)
j = fore->w_histheight + fore->w_height - 1;
revto(linestart(j), j);
break;
case '-':
if (rep_cnt == 0)
rep_cnt = 1;
cy -= rep_cnt;
if (cy < 0)
cy = 0;
revto(linestart(cy), cy);
break;
case '^':
revto(linestart(cy), cy);
break;
case '\n':
revto(markdata->left_mar, cy + 1);
break;
case 0220: /* M-C-p */
case '\020': /* CTRL-P */
case 'k':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx, cy - rep_cnt);
break;
case 0206: /* M-C-f */
case 'l':
if (rep_cnt == 0)
rep_cnt = 1;
revto(cx + rep_cnt, cy);
break;
case '\001': /* CTRL-A from tcsh/emacs */
case '0':
revto(markdata->left_mar, cy);
break;
case '\004': /* CTRL-D down half screen */
if (rep_cnt == 0)
rep_cnt = (fore->w_height + 1) >> 1;
revto_line(cx, cy + rep_cnt, W2D(cy));
break;
case '$':
revto(lineend(cy), cy);
break;
case '\022': /* CTRL-R emacs style backwards search */
ISearch(-1);
in_mark = 0;
break;
case '\023': /* CTRL-S emacs style search */
ISearch(1);
in_mark = 0;
break;
case '\025': /* CTRL-U up half screen */
if (rep_cnt == 0)
rep_cnt = (fore->w_height + 1) >> 1;
revto_line(cx, cy - rep_cnt, W2D(cy));
break;
case '\007': /* CTRL-G show cursorpos */
if (markdata->left_mar == 0 && markdata->right_mar == fore->w_width - 1)
LMsg(0, "Column %d Line %d(+%d)", cx + 1, W2D(cy) + 1, markdata->hist_offset);
else
LMsg(0, "Column %d(%d..%d) Line %d(+%d)", cx + 1,
markdata->left_mar + 1, markdata->right_mar + 1, W2D(cy) + 1,
markdata->hist_offset);
break;
case '\002': /* CTRL-B back one page */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt *= fore->w_height;
revto(cx, cy - rep_cnt);
break;
case '\006': /* CTRL-F forward one page */
if (rep_cnt == 0)
rep_cnt = 1;
rep_cnt *= fore->w_height;
revto(cx, cy + rep_cnt);
break;
case '\005': /* CTRL-E scroll up */
if (rep_cnt == 0)
rep_cnt = 1;
MarkScrollUpDisplay(rep_cnt);
if (cy < D2W(0))
revto(cx, D2W(0));
else
LGotoPos(flayer, cx, W2D(cy));
break;
case '\031': /* CTRL-Y scroll down */
if (rep_cnt == 0)
rep_cnt = 1;
MarkScrollDownDisplay(rep_cnt);
if (cy > D2W(fore->w_height - 1))
revto(cx, D2W(fore->w_height - 1));
else
LGotoPos(flayer, cx, W2D(cy));
break;
case '@':
/* it may be useful to have a key that does nothing */
break;
case '%':
rep_cnt--;
/* rep_cnt is a percentage for the history buffer */
if (rep_cnt < 0)
rep_cnt = 0;
if (rep_cnt > 100)
rep_cnt = 100;
revto_line(markdata->left_mar, (rep_cnt * (fore->w_histheight + fore->w_height)) / 100,
(fore->w_height - 1) / 2);
break;
case 0201:
case 'g':
rep_cnt = 1;
/* FALLTHROUGH */
case 0205:
case 'G':
/* rep_cnt is here the WIN line number */
if (rep_cnt == 0)
rep_cnt = fore->w_histheight + fore->w_height;
revto_line(markdata->left_mar, --rep_cnt, (fore->w_height - 1) / 2);
break;
case 'H':
revto(markdata->left_mar, D2W(0));
break;
case 'M':
revto(markdata->left_mar, D2W((fore->w_height - 1) / 2));
break;
case 'L':
revto(markdata->left_mar, D2W(fore->w_height - 1));
break;
case '|':
revto(--rep_cnt, cy);
break;
case 'w':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_MUSTMOVE, rep_cnt);
revto(cx, cy);
break;
case 'e':
case 'E':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_ENDOFWORD | NW_MUSTMOVE | (od == 'E' ? NW_BIG : 0), rep_cnt);
revto(cx, cy);
break;
case 'b':
case 'B':
if (rep_cnt == 0)
rep_cnt = 1;
nextword(&cx, &cy, NW_BACK | NW_ENDOFWORD | NW_MUSTMOVE | (od == 'B' ? NW_BIG : 0), rep_cnt);
revto(cx, cy);
break;
case 'a':
markdata->append_mode = 1 - markdata->append_mode;
LMsg(0, (markdata->append_mode) ? ":set append" : ":set noappend");
break;
case 'v':
case 'V':
/* this sets start column to column 9 for VI :set nu users */
if (markdata->left_mar == 8)
rep_cnt = 1;
else
rep_cnt = 9;
/* FALLTHROUGH */
case 'c':
case 'C':
/* set start column (c) and end column (C) */
if (markdata->second) {
rem(markdata->x1, markdata->y1, cx, cy, 1, (char *)0, fore->w_height - 1); /* Hack */
markdata->second = 1; /* rem turns off second */
}
rep_cnt--;
if (rep_cnt < 0)
rep_cnt = cx;
if (od != 'C') {
markdata->left_mar = rep_cnt;
if (markdata->left_mar > markdata->right_mar)
markdata->left_mar = markdata->right_mar;
} else {
markdata->right_mar = rep_cnt;
if (markdata->left_mar > markdata->right_mar)
markdata->right_mar = markdata->left_mar;
}
if (markdata->second) {
markdata->cx = markdata->x1;
markdata->cy = markdata->y1;
revto(cx, cy);
}
if (od == 'v' || od == 'V')
LMsg(0, (markdata->left_mar != 8) ? ":set nonu" : ":set nu");
break;
case 'J':
/* how do you join lines in VI ? */
markdata->nonl = (markdata->nonl + 1) % 4;
switch (markdata->nonl) {
case 0:
if (join_with_cr)
LMsg(0, "Multiple lines (CR/LF)");
else
LMsg(0, "Multiple lines (LF)");
break;
case 1:
LMsg(0, "Lines joined");
break;
case 2:
LMsg(0, "Lines joined with blanks");
break;
case 3:
LMsg(0, "Lines joined with comma");
break;
}
break;
case '/':
Search(1);
in_mark = 0;
break;
case '?':
Search(-1);
in_mark = 0;
break;
case 'n':
Search(0);
break;
case 'N':
markdata->isdir = -markdata->isdir;
Search(0);
markdata->isdir = -markdata->isdir;
break;
case 'y':
case 'Y':
if (markdata->second == 0) {
revto(linestart(cy), cy);
markdata->second++;
cx = markdata->x1 = markdata->cx;
cy = markdata->y1 = markdata->cy;
}
if (--rep_cnt > 0)
revto(cx, cy + rep_cnt);
revto(lineend(markdata->cy), markdata->cy);
if (od == 'y')
break;
/* FALLTHROUGH */
case 'W':
if (od == 'W') {
if (rep_cnt == 0)
rep_cnt = 1;
if (!markdata->second) {
nextword(&cx, &cy, NW_BACK | NW_ENDOFWORD, 1);
revto(cx, cy);
markdata->second++;
cx = markdata->x1 = markdata->cx;
cy = markdata->y1 = markdata->cy;
}
nextword(&cx, &cy, NW_ENDOFWORD, rep_cnt);
revto(cx, cy);
}
cx = markdata->cx;
cy = markdata->cy;
/* FALLTHROUGH */
case 'A':
if (od == 'A')
markdata->append_mode = 1;
/* FALLTHROUGH */
case '>':
if (od == '>')
markdata->write_buffer = 1;
/* FALLTHROUGH */
case ' ':
case '\r':
if (!markdata->second) {
markdata->second++;
markdata->x1 = cx;
markdata->y1 = cy;
revto(cx, cy);
LMsg(0, "First mark set - Column %d Line %d", cx + 1, W2D(cy) + 1);
break;
} else {
int append_mode = markdata->append_mode;
int write_buffer = markdata->write_buffer;
x2 = cx;
y2 = cy;
newcopylen = rem(markdata->x1, markdata->y1, x2, y2, 2, (char *)0, 0); /* count */
if (md_user->u_plop.buf && !append_mode)
UserFreeCopyBuffer(md_user);
yend = fore->w_height - 1;
if (fore->w_histheight - markdata->hist_offset < fore->w_height) {
markdata->second = 0;
yend -= MarkScrollUpDisplay(fore->w_histheight - markdata->hist_offset);
}
if (newcopylen > 0) {
/* the +3 below is for : cr + lf + \0 */
if (md_user->u_plop.buf)
md_user->u_plop.buf = realloc(md_user->u_plop.buf,
(unsigned)(md_user->u_plop.len +
newcopylen + 3));
else {
md_user->u_plop.len = 0;
md_user->u_plop.buf = malloc((unsigned)(newcopylen + 3));
}
if (!md_user->u_plop.buf) {
MarkAbort();
in_mark = 0;
LMsg(0, "Not enough memory... Sorry.");
md_user->u_plop.len = 0;
md_user->u_plop.buf = 0;
break;
}
if (append_mode) {
switch (markdata->nonl) {
/*
* this code defines, what glues lines together
*/
case 0:
if (join_with_cr) {
md_user->u_plop.buf[md_user->u_plop.len] = '\r';
md_user->u_plop.len++;
}
md_user->u_plop.buf[md_user->u_plop.len] = '\n';
md_user->u_plop.len++;
break;
case 1:
break;
case 2:
md_user->u_plop.buf[md_user->u_plop.len] = ' ';
md_user->u_plop.len++;
break;
case 3:
md_user->u_plop.buf[md_user->u_plop.len] = ',';
md_user->u_plop.len++;
break;
}
}
md_user->u_plop.len += rem(markdata->x1, markdata->y1, x2, y2,
markdata->hist_offset == fore->w_histheight,
md_user->u_plop.buf + md_user->u_plop.len, yend);
md_user->u_plop.enc = fore->w_encoding;
}
if (markdata->hist_offset != fore->w_histheight) {
LAY_CALL_UP(LRefreshAll(flayer, 0));
}
ExitOverlayPage();
WindowChanged(fore, 'P');
if (append_mode)
LMsg(0, "Appended %d characters to buffer", newcopylen);
else
LMsg(0, "Copied %d characters into buffer", md_user->u_plop.len);
if (write_buffer)
WriteFile(md_user, (char *)0, DUMP_EXCHANGE);
in_mark = 0;
break;
}
case 0222:
if (flayer->l_mouseevent.start) {
int button = flayer->l_mouseevent.buffer[0];
if (button == 'a') {
/* Scroll down */
od = 'j';
} else if (button == '`') {
/* Scroll up */
od = 'k';
} else if (button == ' ') {
/* Left click */
cx = flayer->l_mouseevent.buffer[1];
cy = D2W(flayer->l_mouseevent.buffer[2]);
revto(cx, cy);
od = ' ';
} else
od = 0;
LayProcessMouseSwitch(flayer, 0);
if (od)
goto processchar;
} else
LayProcessMouseSwitch(flayer, 1);
break;
default:
MarkAbort();
LMsg(0, "Copy mode aborted");
in_mark = 0;
break;
}
if (in_mark) /* markdata may be freed */
markdata->rep_cnt = 0;
}
if (in_mark) {
flayer->l_x = markdata->cx;
flayer->l_y = W2D(markdata->cy);
}
*inbufp = pt;
*inlenp = inlen;
}