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ACL: protect MULTI/EXEC transactions after rules change.

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antirez 2019-09-11 19:42:10 +02:00
parent a468b0cfb0
commit e645c794cf
1 changed files with 13 additions and 1 deletions
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12
src/multi.c
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@ -175,7 +175,19 @@ void execCommand(client *c) {
must_propagate = 1;
}
int acl_retval = ACLCheckCommandPerm(c);
if (acl_retval != ACL_OK) {
addReplyErrorFormat(c,
"-NOPERM ACLs rules changed between the moment the "
"transaction was accumulated and the EXEC call. "
"This command is no longer allowed for the "
"following reason: %s",
(acl_retval == ACL_DENIED_CMD) ?
"no permission to execute the command or subcommand" :
"no permission to touch the specified keys");
} else {
call(c,server.loading ? CMD_CALL_NONE : CMD_CALL_FULL);
}
/* Commands may alter argc/argv, restore mstate. */
c->mstate.commands[j].argc = c->argc;