Fixed overflow detection in argument to long convertion function in general, and in expire/ttl pairs specifically, addressing issue 54

This commit is contained in:
antirez 2010-08-23 17:06:38 +02:00
parent cbce517145
commit c91abdcd07
2 changed files with 6 additions and 5 deletions

View File

@ -514,15 +514,14 @@ void expireatCommand(redisClient *c) {
}
void ttlCommand(redisClient *c) {
time_t expire;
int ttl = -1;
time_t expire, ttl = -1;
expire = getExpire(c->db,c->argv[1]);
if (expire != -1) {
ttl = (int) (expire-time(NULL));
ttl = (expire-time(NULL));
if (ttl < 0) ttl = -1;
}
addReplySds(c,sdscatprintf(sdsempty(),":%d\r\n",ttl));
addReplyLongLong(c,(long long)ttl);
}
void persistCommand(redisClient *c) {

View File

@ -358,6 +358,8 @@ int getLongLongFromObject(robj *o, long long *target) {
if (o->encoding == REDIS_ENCODING_RAW) {
value = strtoll(o->ptr, &eptr, 10);
if (eptr[0] != '\0') return REDIS_ERR;
if (errno == ERANGE && (value == LLONG_MIN || value == LLONG_MAX))
return REDIS_ERR;
} else if (o->encoding == REDIS_ENCODING_INT) {
value = (long)o->ptr;
} else {
@ -375,7 +377,7 @@ int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, con
if (msg != NULL) {
addReplySds(c, sdscatprintf(sdsempty(), "-ERR %s\r\n", msg));
} else {
addReplySds(c, sdsnew("-ERR value is not an integer\r\n"));
addReplySds(c, sdsnew("-ERR value is not an integer or out of range\r\n"));
}
return REDIS_ERR;
}