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Diffstat (limited to 'src/option.c')
-rw-r--r--src/option.c103
1 files changed, 82 insertions, 21 deletions
diff --git a/src/option.c b/src/option.c
index 756d91815..33a7db560 100644
--- a/src/option.c
+++ b/src/option.c
@@ -317,6 +317,7 @@ struct vimoption
#define P_GETTEXT 0x80000L/* expand default value with _() */
#define P_NOGLOB 0x100000L/* do not use local value for global vimrc */
#define P_NFNAME 0x200000L/* only normal file name chars allowed */
+#define P_INSECURE 0x400000L/* option was set from a modeline */
/*
* options[] is initialized here.
@@ -1460,7 +1461,7 @@ static struct vimoption
{"magic", NULL, P_BOOL|P_VI_DEF,
(char_u *)&p_magic, PV_NONE,
{(char_u *)TRUE, (char_u *)0L}},
- {"makeef", "mef", P_STRING|P_EXPAND|P_VI_DEF|P_SECURE,
+ {"makeef", "mef", P_STRING|P_EXPAND|P_VI_DEF|P_SECURE,
#ifdef FEAT_QUICKFIX
(char_u *)&p_mef, PV_NONE,
{(char_u *)"", (char_u *)0L}
@@ -2632,6 +2633,7 @@ static char *(p_cot_values[]) = {"menu", NULL};
static void set_option_default __ARGS((int, int opt_flags, int compatible));
static void set_options_default __ARGS((int opt_flags));
+static void did_set_option __ARGS((int opt_idx, int opt_flags, int new_value));
static char_u *illegal_char __ARGS((char_u *, int));
static int string_to_key __ARGS((char_u *arg));
#ifdef FEAT_CMDWIN
@@ -3157,6 +3159,9 @@ set_option_default(opt_idx, opt_flags, compatible)
*(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) =
*(int *)varp;
}
+
+ /* the default value is not insecure */
+ options[opt_idx].flags &= ~P_INSECURE;
}
#ifdef FEAT_EVAL
@@ -3790,6 +3795,12 @@ do_set(arg, opt_flags)
}
}
+ /* Skip all options that are not window-local (used when showing
+ * an already loaded buffer in a window). */
+ if ((opt_flags & OPT_WINONLY)
+ && (opt_idx < 0 || options[opt_idx].var != VAR_WIN))
+ goto skip;
+
/* Disallow changing some options from modelines */
if ((opt_flags & OPT_MODELINE) && (flags & P_SECURE))
{
@@ -3797,15 +3808,9 @@ do_set(arg, opt_flags)
goto skip;
}
- /* Skip all options that are not window-local (used when showing
- * an already loaded buffer in a window). */
- if ((opt_flags & OPT_WINONLY)
- && (opt_idx < 0 || options[opt_idx].var != VAR_WIN))
- goto skip;
-
#ifdef HAVE_SANDBOX
/* Disallow changing some options in the sandbox */
- if (sandbox > 0 && (flags & P_SECURE))
+ if (sandbox != 0 && (flags & P_SECURE))
{
errmsg = (char_u *)_(e_sandbox);
goto skip;
@@ -4343,8 +4348,10 @@ do_set(arg, opt_flags)
redraw_all_later(CLEAR);
}
}
+
if (opt_idx >= 0)
- options[opt_idx].flags |= P_WAS_SET;
+ did_set_option(opt_idx, opt_flags,
+ !prepending && !adding && !removing);
}
skip:
@@ -4405,6 +4412,31 @@ theend:
return OK;
}
+/*
+ * Call this when an option has been given a new value through a user command.
+ * Sets the P_WAS_SET flag and takes care of the P_INSECURE flag.
+ */
+ static void
+did_set_option(opt_idx, opt_flags, new_value)
+ int opt_idx;
+ int opt_flags; /* possibly with OPT_MODELINE */
+ int new_value; /* value was replaced completely */
+{
+ options[opt_idx].flags |= P_WAS_SET;
+
+ /* When an option is set in the sandbox, from a modeline or in secure mode
+ * set the P_INSECURE flag. Otherwise, if a new value is stored reset the
+ * flag. */
+ if (secure
+#ifdef HAVE_SANDBOX
+ || sandbox != 0
+#endif
+ || (opt_flags & OPT_MODELINE))
+ options[opt_idx].flags |= P_INSECURE;
+ else if (new_value)
+ options[opt_idx].flags &= ~P_INSECURE;
+}
+
static char_u *
illegal_char(errbuf, c)
char_u *errbuf;
@@ -4837,6 +4869,25 @@ set_term_option_alloced(p)
return; /* cannot happen: didn't find it! */
}
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Return TRUE when option "opt" was set from a modeline or in secure mode.
+ * Return FALSE when it wasn't.
+ * Return -1 for an unknown option.
+ */
+ int
+was_set_insecurely(opt)
+ char_u *opt;
+{
+ int idx = findoption(opt);
+
+ if (idx >= 0)
+ return (options[idx].flags & P_INSECURE) != 0;
+ EMSG2(_(e_intern2), "was_set_insecurely()");
+ return -1;
+}
+#endif
+
/*
* Set a string option to a new value (without checking the effect).
* The string is copied into allocated memory.
@@ -4938,9 +4989,9 @@ set_string_option(opt_idx, value, opt_flags)
: opt_flags);
oldval = *varp;
*varp = s;
- options[opt_idx].flags |= P_WAS_SET;
- (void)did_set_string_option(opt_idx, varp, TRUE, oldval, NULL,
- opt_flags);
+ if (did_set_string_option(opt_idx, varp, TRUE, oldval, NULL,
+ opt_flags) == NULL)
+ did_set_option(opt_idx, opt_flags, TRUE);
}
}
@@ -6571,10 +6622,6 @@ set_bool_option(opt_idx, varp, value, opt_flags)
{
int old_value = *(int *)varp;
-#ifdef FEAT_GUI
- need_mouse_correct = TRUE;
-#endif
-
/* Disallow changing some options from secure mode */
if ((secure
#ifdef HAVE_SANDBOX
@@ -6589,6 +6636,10 @@ set_bool_option(opt_idx, varp, value, opt_flags)
options[opt_idx].scriptID = current_SID;
#endif
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
+
/* May set global value for local option. */
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
*(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) = value;
@@ -7077,15 +7128,22 @@ set_num_option(opt_idx, varp, value, errbuf, errbuflen, opt_flags)
long old_Columns = Columns; /* remember old Columns */
long *pp = (long *)varp;
-#ifdef FEAT_GUI
- need_mouse_correct = TRUE;
+ /* Disallow changing some options from secure mode. */
+ if ((secure
+#ifdef HAVE_SANDBOX
+ || sandbox != 0
#endif
+ ) && (options[opt_idx].flags & P_SECURE))
+ return e_secure;
*pp = value;
#ifdef FEAT_EVAL
/* Remember where the option was set. */
options[opt_idx].scriptID = current_SID;
#endif
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
if (curbuf->b_p_sw <= 0)
{
@@ -7690,10 +7748,12 @@ set_option_value(name, number, string, opt_flags)
#ifdef HAVE_SANDBOX
/* Disallow changing some options in the sandbox */
if (sandbox > 0 && (flags & P_SECURE))
+ {
EMSG(_(e_sandbox));
- else
+ return;
+ }
#endif
- if (flags & P_STRING)
+ if (flags & P_STRING)
set_string_option(opt_idx, string, opt_flags);
else
{
@@ -7704,7 +7764,8 @@ set_option_value(name, number, string, opt_flags)
(void)set_num_option(opt_idx, varp, number,
NULL, 0, opt_flags);
else
- (void)set_bool_option(opt_idx, varp, (int)number, opt_flags);
+ (void)set_bool_option(opt_idx, varp, (int)number,
+ opt_flags);
}
}
}
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