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24005: enforce min/max arguments on zcurses commands.

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This commit is contained in:
Clint Adams 2007-10-21 21:16:07 +00:00
parent 52ea35c1c6
commit 526f86ec15
2 changed files with 11 additions and 2 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2007-10-21 Clint Adams <clint@zsh.org> 2007-10-21 Clint Adams <clint@zsh.org>
* 24005: Src/Modules/curses.c: enforce min/max arguments on zcurses
commands.
* 24004: Doc/Zsh/mod_curses.yo: align documentation with UI changes * 24004: Doc/Zsh/mod_curses.yo: align documentation with UI changes
in 24002. in 24002.

10
Src/Modules/curses.c
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@ -281,7 +281,7 @@ bin_zcurses(char *nam, char **args, Options ops, UNUSED(int func))
{ {
char **saargs; char **saargs;
struct zcurses_subcommand *zcsc; struct zcurses_subcommand *zcsc;
int sc; int sc, num_args;
struct zcurses_subcommand scs[] = { struct zcurses_subcommand scs[] = {
{{"init", ZCURSES_SC_INIT}, 0, 0}, {{"init", ZCURSES_SC_INIT}, 0, 0},
@ -310,7 +310,13 @@ bin_zcurses(char *nam, char **args, Options ops, UNUSED(int func))
return 1; return 1;
} }
/* here would be a good place to validate number of args */ saargs = args;
while (*saargs++);
num_args = saargs - (args + 2);
if (num_args < zcsc->minargs || num_args > zcsc->maxargs)
return 1;
saargs = args + 1; saargs = args + 1;
/* Initialise curses */ /* Initialise curses */