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enh: boundary check for log output

This commit is contained in:
kailixu 2024-12-04 08:33:45 +08:00
parent 6dcfe361fe
commit 4c0903c4c2
1 changed files with 3 additions and 2 deletions
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5
source/common/src/tglobal.c
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@ -1019,11 +1019,12 @@ static int32_t taosSetLogOutput(SConfig *pCfg) {
if ((pEnd = strrchr(pLog, '/')) || (pEnd = strrchr(pLog, '\\'))) {
int32_t pathLen = POINTER_DISTANCE(pEnd, pLog) + 1;
if (*pLog == '/' || *pLog == '\\') {
if (pathLen >= PATH_MAX) TAOS_RETURN(TSDB_CODE_OUT_OF_RANGE);
if (pathLen <= 0 || pathLen > PATH_MAX) TAOS_RETURN(TSDB_CODE_OUT_OF_RANGE);
tstrncpy(tsLogDir, pLog, pathLen);
} else {
int32_t len = strlen(tsLogDir);
if (tsLogDir[len - 1] != '/' && tsLogDir[len - 1] != '\\') {
if (len < 0 || len >= (PATH_MAX - 1)) TAOS_RETURN(TSDB_CODE_OUT_OF_RANGE);
if (len == 0 || (tsLogDir[len - 1] != '/' && tsLogDir[len - 1] != '\\')) {
tsLogDir[len++] = TD_DIRSEP_CHAR;
}
int32_t remain = PATH_MAX - len - 1;