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ACL GENPASS: take number of bits as argument.

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antirez 2020-04-23 10:53:21 +02:00
parent dc1bc0f423
commit a95a086be7
1 changed files with 21 additions and 6 deletions
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27
src/acl.c
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@ -1626,7 +1626,7 @@ void addACLLogEntry(client *c, int reason, int keypos, sds username) {
* ACL SETUSER <username> ... acl rules ...
* ACL DELUSER <username> [...]
* ACL GETUSER <username>
* ACL GENPASS
* ACL GENPASS [<bits>]
* ACL WHOAMI
* ACL LOG [<count> | RESET]
*/
@ -1818,10 +1818,25 @@ void aclCommand(client *c) {
}
dictReleaseIterator(di);
setDeferredArrayLen(c,dl,arraylen);
} else if (!strcasecmp(sub,"genpass") && c->argc == 2) {
char pass[64]; /* 256 bits of actual pseudo random data. */
getRandomHexChars(pass,sizeof(pass));
addReplyBulkCBuffer(c,pass,sizeof(pass));
} else if (!strcasecmp(sub,"genpass") && (c->argc == 2 || c->argc == 3)) {
#define GENPASS_MAX_BITS 4096
char pass[GENPASS_MAX_BITS/8*2]; /* Hex representation. */
long bits = 256; /* By default generate 256 bits passwords. */
if (c->argc == 3 && getLongFromObjectOrReply(c,c->argv[2],&bits,NULL)
!= C_OK) return;
if (bits <= 0 || bits > GENPASS_MAX_BITS) {
addReplyErrorFormat(c,
"ACL GENPASS argument must be the number of "
"bits for the output password, a positive number "
"up to %d",GENPASS_MAX_BITS);
return;
}
long chars = (bits+3)/4; /* Round to number of characters to emit. */
getRandomHexChars(pass,chars);
addReplyBulkCBuffer(c,pass,chars);
} else if (!strcasecmp(sub,"log") && (c->argc == 2 || c->argc ==3)) {
long count = 10; /* Number of entries to emit by default. */
@ -1899,7 +1914,7 @@ void aclCommand(client *c) {
"DELUSER <username> [...] -- Delete a list of users.",
"CAT -- List available categories.",
"CAT <category> -- List commands inside category.",
"GENPASS -- Generate a secure user password.",
"GENPASS [<bits>] -- Generate a secure user password.",
"WHOAMI -- Return the current connection username.",
"LOG [<count> | RESET] -- Show the ACL log entries.",
NULL