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MDEV-25515 Request: User Account Host Names using CIDR notation #5500

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MDEV-25515 Request: User Account Host Names using CIDR notation #5500

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8a831e6
CIDR
pranavktiwari Aug 6, 2026
3c6a318
Fixed macor
pranavktiwari Aug 6, 2026
3919edb
Added test case.
pranavktiwari Aug 7, 2026
e76becf
Added test case.
pranavktiwari Aug 7, 2026
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203 changes: 203 additions & 0 deletions mysql-test/main/grant_cidr.result
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Original file line number Diff line number Diff line change
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# Valid CIDR prefixes
CREATE USER c01@'127.0.0.0/8' IDENTIFIED BY 'p';
CREATE USER c02@'127.0.0.0/24' IDENTIFIED BY 'p';
CREATE USER c03@'127.0.0.1/32' IDENTIFIED BY 'p';
CREATE USER c18@'127.0.0.0/31' IDENTIFIED BY 'p';
CREATE USER c19@'127.0.0.0/30' IDENTIFIED BY 'p';
CREATE USER c06@'0.0.0.0/1' IDENTIFIED BY 'p';
connect con1,127.0.0.1,c01,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c01@127.0.0.0/8
disconnect con1;
connection default;
connect con1,127.0.0.1,c02,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c02@127.0.0.0/24
disconnect con1;
connection default;
connect con1,127.0.0.1,c03,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c03@127.0.0.1/32
disconnect con1;
connection default;
connect con1,127.0.0.1,c18,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c18@127.0.0.0/31
disconnect con1;
connection default;
connect con1,127.0.0.1,c19,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c19@127.0.0.0/30
disconnect con1;
connection default;
connect con1,127.0.0.1,c06,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
c06@0.0.0.0/1
disconnect con1;
connection default;
# Malformed prefixes must be inert, but login denied.
CREATE USER c08@'127.0.0.0/0' IDENTIFIED BY 'p';
CREATE USER c09@'127.0.0.1/0' IDENTIFIED BY 'p';
CREATE USER c10@'127.0.0.0/33' IDENTIFIED BY 'p';
CREATE USER c11@'127.0.0.0/-1' IDENTIFIED BY 'p';
CREATE USER c12@'127.0.0.0/abc' IDENTIFIED BY 'p';
CREATE USER c13@'127.0.0.0/' IDENTIFIED BY 'p';
CREATE USER c14@'127.0.0.0/24x' IDENTIFIED BY 'p';
connect(127.0.0.1,c08,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c08,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c08'@'localhost' (using password: YES)
# If this CONNECTS, /0 was accepted and collapsed to /32 (regression).
connect(127.0.0.1,c09,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c09,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c09'@'localhost' (using password: YES)
connect(127.0.0.1,c10,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c10,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c10'@'localhost' (using password: YES)
connect(127.0.0.1,c11,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c11,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c11'@'localhost' (using password: YES)
connect(127.0.0.1,c12,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c12,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c12'@'localhost' (using password: YES)
connect(127.0.0.1,c13,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c13,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c13'@'localhost' (using password: YES)
connect(127.0.0.1,c14,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c14,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c14'@'localhost' (using password: YES)
# CIDR == netmask parity
CREATE USER n01@'127.0.0.0/255.0.0.0' IDENTIFIED BY 'p';
CREATE USER n02@'127.0.0.0/255.255.255.0' IDENTIFIED BY 'p';
CREATE USER n03@'127.0.0.1/255.255.255.255' IDENTIFIED BY 'p';
CREATE USER n04@'127.0.0.0/255.255.255.255' IDENTIFIED BY 'p';
CREATE USER n05@'127.0.0.0/0.0.0.0' IDENTIFIED BY 'p';
CREATE USER c04@'127.0.0.0/32' IDENTIFIED BY 'p';
connect con1,127.0.0.1,n01,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
n01@127.0.0.0/255.0.0.0
disconnect con1;
connection default;
connect con1,127.0.0.1,n02,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
n02@127.0.0.0/255.255.255.0
disconnect con1;
connection default;
connect con1,127.0.0.1,n03,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
n03@127.0.0.1/255.255.255.255
disconnect con1;
connection default;
connect(127.0.0.1,n04,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,n04,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'n04'@'localhost' (using password: YES)
connect(127.0.0.1,c04,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c04,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c04'@'localhost' (using password: YES)
connect(127.0.0.1,n05,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,n05,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'n05'@'localhost' (using password: YES)
# The address is masked, not compared verbatim
CREATE USER c05@'127.0.0.0/1' IDENTIFIED BY 'p';
CREATE USER c07@'127.0.0.1/24' IDENTIFIED BY 'p';
CREATE USER n07@'127.0.0.1/255.255.255.0' IDENTIFIED BY 'p';
connect(127.0.0.1,c05,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c05,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c05'@'localhost' (using password: YES)
connect(127.0.0.1,c07,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,c07,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'c07'@'localhost' (using password: YES)
connect(127.0.0.1,n07,p,test,MASTER_PORT,MASTER_SOCKET);
connect con1,127.0.0.1,n07,p,,$MASTER_MYPORT,;
ERROR 28000: Access denied for user 'n07'@'localhost' (using password: YES)
# Part 5: host specificity ordering
CREATE USER ord1@'127.0.0.0/8' IDENTIFIED BY 'p';
CREATE USER ord1@'127.0.0.0/24' IDENTIFIED BY 'p';
CREATE USER ord2@'127.0.0.0/8' IDENTIFIED BY 'p';
CREATE USER ord2@'127.0.0.0/16' IDENTIFIED BY 'p';
CREATE USER ord3@'127.0.0.0/9' IDENTIFIED BY 'p';
CREATE USER ord3@'127.0.0.1/32' IDENTIFIED BY 'p';
CREATE USER ord4@'127.0.0.0/255.255.255.0' IDENTIFIED BY 'p';
CREATE USER ord4@'127.0.0.0/8' IDENTIFIED BY 'p';
CREATE USER ord5@'127.0.0.0/255.0.0.0' IDENTIFIED BY 'p';
CREATE USER ord5@'127.0.0.0/24' IDENTIFIED BY 'p';
connect con1,127.0.0.1,ord1,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
ord1@127.0.0.0/24
disconnect con1;
connection default;
connect con1,127.0.0.1,ord2,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
ord2@127.0.0.0/16
disconnect con1;
connection default;
connect con1,127.0.0.1,ord3,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
ord3@127.0.0.1/32
disconnect con1;
connection default;
connect con1,127.0.0.1,ord4,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
ord4@127.0.0.0/255.255.255.0
disconnect con1;
connection default;
connect con1,127.0.0.1,ord5,p,,$MASTER_MYPORT,;
connection con1;
SELECT CURRENT_USER();
CURRENT_USER()
ord5@127.0.0.0/24
disconnect con1;
connection default;
# Cleanup
DROP USER c01@'127.0.0.0/8';
DROP USER c02@'127.0.0.0/24';
DROP USER c03@'127.0.0.1/32';
DROP USER c04@'127.0.0.0/32';
DROP USER c05@'127.0.0.0/1';
DROP USER c06@'0.0.0.0/1';
DROP USER c07@'127.0.0.1/24';
DROP USER c08@'127.0.0.0/0';
DROP USER c09@'127.0.0.1/0';
DROP USER c10@'127.0.0.0/33';
DROP USER c11@'127.0.0.0/-1';
DROP USER c12@'127.0.0.0/abc';
DROP USER c13@'127.0.0.0/';
DROP USER c14@'127.0.0.0/24x';
DROP USER c18@'127.0.0.0/31';
DROP USER c19@'127.0.0.0/30';
DROP USER n01@'127.0.0.0/255.0.0.0';
DROP USER n02@'127.0.0.0/255.255.255.0';
DROP USER n03@'127.0.0.1/255.255.255.255';
DROP USER n04@'127.0.0.0/255.255.255.255';
DROP USER n05@'127.0.0.0/0.0.0.0';
DROP USER n07@'127.0.0.1/255.255.255.0';
DROP USER ord1@'127.0.0.0/8', ord1@'127.0.0.0/24';
DROP USER ord2@'127.0.0.0/8', ord2@'127.0.0.0/16';
DROP USER ord3@'127.0.0.0/9', ord3@'127.0.0.1/32';
DROP USER ord4@'127.0.0.0/255.255.255.0', ord4@'127.0.0.0/8';
DROP USER ord5@'127.0.0.0/255.0.0.0', ord5@'127.0.0.0/24';
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