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Code Issues Releases Wiki Activity

Check for unexpected value after checking the name, not before.

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This commit is contained in:
Todd C. Miller
2021-02-02 13:32:29 -07:00
parent 71997da168
commit 2fd4a2ad71
1 changed files with 9 additions and 9 deletions
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18
lib/iolog/iolog_json.c
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@@ -586,7 +586,7 @@ json_stack_push(struct json_stack *stack, struct json_item_list *items,
unsigned int lineno)
{
struct json_item *item;
debug_decl(iolog_parse_loginfo_json, SUDO_DEBUG_UTIL);
debug_decl(json_stack_push, SUDO_DEBUG_UTIL);
/* We limit the stack size rather than expanding it. */
if (stack->depth >= stack->maxdepth) {
@@ -725,12 +725,12 @@ iolog_parse_json(FILE *fp, const char *filename, struct json_object *root)
}
break;
case 't':
if (strncmp(cp, "true", sizeof("true") - 1) != 0)
goto parse_error;
if (!expect_value) {
sudo_warnx("%s", U_("unexpected boolean"));
goto parse_error;
}
if (strncmp(cp, "true", sizeof("true") - 1) != 0)
goto parse_error;
cp += sizeof("true") - 1;
if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0')
goto parse_error;
@@ -740,12 +740,12 @@ iolog_parse_json(FILE *fp, const char *filename, struct json_object *root)
name = NULL;
break;
case 'f':
if (strncmp(cp, "false", sizeof("false") - 1) != 0)
goto parse_error;
if (!expect_value) {
sudo_warnx("%s", U_("unexpected boolean"));
goto parse_error;
}
if (strncmp(cp, "false", sizeof("false") - 1) != 0)
goto parse_error;
cp += sizeof("false") - 1;
if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0')
goto parse_error;
@@ -755,12 +755,12 @@ iolog_parse_json(FILE *fp, const char *filename, struct json_object *root)
name = NULL;
break;
case 'n':
if (!expect_value) {
sudo_warnx("%s", U_("unexpected boolean"));
goto parse_error;
}
if (strncmp(cp, "null", sizeof("null") - 1) != 0)
goto parse_error;
if (!expect_value) {
sudo_warnx("%s", U_("unexpected null"));
goto parse_error;
}
cp += sizeof("null") - 1;
if (*cp != ',' && !isspace((unsigned char)*cp) && *cp != '\0')
goto parse_error;