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Fix negtive repeat command value issue.

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If command like "-1 set a b" is sent with redis-cli, it will cause a deadless loop. So some repeat value checking logic is added to avoid this.
This commit is contained in:
dejun.xdj 2018-05-19 22:50:40 +08:00
parent c2e2314640
commit b2762f1ff2
1 changed files with 11 additions and 3 deletions
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14
src/redis-cli.c
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@ -1398,16 +1398,24 @@ static void repl(void) {
cliRefreshPrompt();
while((line = linenoise(context ? config.prompt : "not connected> ")) != NULL) {
if (line[0] != '\0') {
int repeat = 1, skipargs = 0;
char *endptr;
long repeat = 1;
int skipargs = 0;
char *endptr = NULL;
argv = cliSplitArgs(line,&argc);
/* check if we have a repeat command option and
* need to skip the first arg */
if (argv && argc > 0) {
errno = 0;
repeat = strtol(argv[0], &endptr, 10);
if (argc > 1 && *endptr == '\0' && repeat) {
if (argc > 1 && *endptr == '\0') {
if (errno == ERANGE || errno == EINVAL || repeat <= 0) {
fputs("Invalid redis-cli repeat command option value.\n", stdout);
sdsfreesplitres(argv, argc);
linenoiseFree(line);
continue;
}
skipargs = 1;
} else {
repeat = 1;