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| author | Timotej S <6674623+underhood@users.noreply.github.com> | 2022-03-14 18:14:58 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-14 18:14:58 +0100 |
| commit | 7750bb51cd6ae75b64608bb0771365d4dac933c1 (patch) | |
| tree | 96e75f43b18527d6b1448b09643f01c70985c265 | |
| parent | bd7bc8b3f14b935731823cc101e1e5ed49c8b5fa (diff) | |
Fix crash when netdatacli command output too long (#12393)
* check the remaining length
| -rw-r--r-- | daemon/commands.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/daemon/commands.c b/daemon/commands.c index ddf20fe0ba..9634530e26 100644 --- a/daemon/commands.c +++ b/daemon/commands.c @@ -400,6 +400,10 @@ static inline void add_string_to_command_reply(char *reply_string, unsigned *rep unsigned len; len = strlen(str); + + if (MAX_COMMAND_LENGTH - 1 < len + *reply_string_size) + len = MAX_COMMAND_LENGTH - *reply_string_size - 1; + strncpyz(reply_string + *reply_string_size, str, len); *reply_string_size += len; } |