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Fix #2345 - json parsing of arrays of objects

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cpq committed 2023-08-16 22:09:45 +01:00
1 parent 66e022c454
commit 58886a9693
3 files changed
+30 -10
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src/json.c
+9 -5
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@@ -166,11 +166,11 @@ int mg_json_get(struct mg_str json, const char *path, int *toklen) {
if (i + 1 + n >= len) return MG_JSON_NOT_FOUND;
if (depth < ed) return MG_JSON_NOT_FOUND;
if (depth == ed && path[pos - 1] != '.') return MG_JSON_NOT_FOUND;
// printf("K %s [%.*s] [%.*s] %d %d %d\n", path, pos, path, n,
// &s[i + 1], n, depth, ed);
// NOTE(cpq): in the check sequence below is important.
// strncmp() must go first: it fails fast if the remaining length of
// the path is smaller than `n`.
// printf("K %s [%.*s] [%.*s] %d %d %d %d %d\n", path, pos, path, n,
// &s[i + 1], n, depth, ed, ci, ei);
// NOTE(cpq): in the check sequence below is important.
// strncmp() must go first: it fails fast if the remaining length of
// the path is smaller than `n`.
if (depth == ed && path[pos - 1] == '.' &&
strncmp(&s[i + 1], &path[pos], (size_t) n) == 0 &&
(path[pos + n] == '\0' || path[pos + n] == '.' ||
@@ -202,6 +202,10 @@ int mg_json_get(struct mg_str json, const char *path, int *toklen) {
} else if (c == ',') {
expecting = (nesting[depth - 1] == '{') ? S_KEY : S_VALUE;
} else if (c == ']' || c == '}') {
if (depth == ed && c == '}' && path[pos - 1] == '.')
return MG_JSON_NOT_FOUND;
if (depth == ed && c == ']' && path[pos - 1] == ',')
return MG_JSON_NOT_FOUND;
MG_EOO('O');
if (depth == ed && ei >= 0) ci++;
} else {