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D6000.1793583977.diff
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D6000.1793583977.diff
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Index: head/sys/boot/common/interp_parse.c
===================================================================
--- head/sys/boot/common/interp_parse.c
+++ head/sys/boot/common/interp_parse.c
@@ -72,7 +72,13 @@
static int
isquote(int ch)
{
- return (ch == '\'' || ch == '"');
+ return (ch == '\'');
+}
+
+static int
+isdquote(int ch)
+{
+ return (ch == '"');
}
int
@@ -81,11 +87,11 @@
int ac;
char *val, *p, *q, *copy = NULL;
size_t i = 0;
- char token, tmp, quote, *buf;
+ char token, tmp, quote, dquote, *buf;
enum { STR, VAR, WHITE } state;
ac = *argc = 0;
- quote = 0;
+ dquote = quote = 0;
if (!str || (p = copy = backslash(str)) == NULL)
return 1;
@@ -105,9 +111,19 @@
buf[i++] = *p++;
} else if (isquote(*p)) {
quote = quote ? 0 : *p;
- ++p;
- }
- else if (isspace(*p) && !quote) {
+ if (dquote) { /* keep quote */
+ PARSE_FAIL(i == (PARSE_BUFSIZE - 1));
+ buf[i++] = *p++;
+ } else
+ ++p;
+ } else if (isdquote(*p)) {
+ dquote = dquote ? 0 : *p;
+ if (quote) { /* keep dquote */
+ PARSE_FAIL(i == (PARSE_BUFSIZE - 1));
+ buf[i++] = *p++;
+ } else
+ ++p;
+ } else if (isspace(*p) && !quote && !dquote) {
state = WHITE;
if (i) {
buf[i] = '\0';
@@ -115,7 +131,7 @@
i = 0;
}
++p;
- } else if (*p == '$') {
+ } else if (*p == '$' && !quote) {
token = isdelim(*(p + 1));
if (token)
p += 2;
@@ -157,6 +173,8 @@
break;
}
}
+ /* missing terminating ' or " */
+ PARSE_FAIL(quote || dquote);
/* If at end of token, add it */
if (i && state == STR) {
buf[i] = '\0';
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D6000: parse() in boot loader interp_parse.c is too naive about quotes
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