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| author |  Nikias Bassen | 2026-05-22 19:20:51 +0200 |
|---|---|---|
| committer | Nikias Bassen | 2026-05-22 19:20:51 +0200 |
| commit | ba82092e43d4769dbc6f0557d58a243f93542486 (patch) | |
| tree | 4054d7d4b701207f6a7def2799295557c5fdf68d /src/out-default.c | |
| parent | 9711459dbed7d60bb00c7d2c052623e8489c88e1 (diff) | |
| download | libplist-ba82092e43d4769dbc6f0557d58a243f93542486.tar.gz libplist-ba82092e43d4769dbc6f0557d58a243f93542486.tar.bz2 | |
common: validate PLIST_DATE values before Time64_T conversion
Avoid undefined behavior when serializing malformed PLIST_DATE values
containing NaN, infinity, or values outside the Time64_T range. Add a
shared helper for checked date conversion and use it across writer paths.
Diffstat (limited to 'src/out-default.c')
| -rw-r--r-- | src/out-default.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/out-default.c b/src/out-default.c index 5d4b6fc..87689d1 100644 --- a/src/out-default.c +++ b/src/out-default.c @@ -231,7 +231,10 @@ static plist_err_t node_to_string(node_t node, bytearray_t **outbuf, uint32_t de break; case PLIST_DATE: { - Time64_T timev = (Time64_T)node_data->realval + MAC_EPOCH; + Time64_T timev; + if (plist_real_to_time64(node_data->realval, &timev) < 0) { + return PLIST_ERR_INVALID_ARG; + } struct TM _btime; struct TM *btime = gmtime64_r(&timev, &_btime); if (btime) { |