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Bug#19828: Case sensitivity in hostname leads to inconsistent behavior

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clean up SHOW GRANTS so it will show host-names with case as entered.
make REVOKE and friends case-sensitive to make things more intuitive.
Patch by Martin Friebe.


mysql-test/r/grant.result:
  Bug#19828: Case sensitivity in hostname leads to inconsistent behavior
  
  clean up after test so random order of tests is possible
mysql-test/r/grant3.result:
  Bug#19828: Case sensitivity in hostname leads to inconsistent behavior
  
  Show that REVOKE, SHOW GRANTS etc. are now consistently case-sensitive.
mysql-test/t/grant.test:
  Bug#19828: Case sensitivity in hostname leads to inconsistent behavior
  
  clean up after test so random order of tests is possible
mysql-test/t/grant3.test:
  Bug#19828: Case sensitivity in hostname leads to inconsistent behavior
  
  Show that REVOKE, SHOW GRANTS etc. are now consistently case-sensitive.
This commit is contained in:
unknown
2007-09-20 18:10:35 +02:00
parent 28ec0efcb6
commit eeeeec8edc
5 changed files with 259 additions and 10 deletions
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41
sql/sql_acl.cc
View File

@@ -1132,7 +1132,7 @@ static void acl_update_db(const char *user, const char *host, const char *db,
{
if (!acl_db->host.hostname && !host[0] ||
acl_db->host.hostname &&
!my_strcasecmp(system_charset_info, host, acl_db->host.hostname))
!strcmp(host, acl_db->host.hostname))
{
if (!acl_db->db && !db[0] ||
acl_db->db && !strcmp(db,acl_db->db))
@@ -4344,6 +4344,13 @@ bool mysql_show_grants(THD *thd,LEX_USER *lex_user)
if (!(host=acl_db->host.hostname))
host= "";
/*
We do not make SHOW GRANTS case-sensitive here (like REVOKE),
but make it case-insensitive because that's the way they are
actually applied, and showing fewer privileges than are applied
would be wrong from a security point of view.
*/
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
{
@@ -4379,8 +4386,8 @@ bool mysql_show_grants(THD *thd,LEX_USER *lex_user)
db.append(lex_user->user.str, lex_user->user.length,
system_charset_info);
db.append (STRING_WITH_LEN("'@'"));
db.append(lex_user->host.str, lex_user->host.length,
system_charset_info);
// host and lex_user->host are equal except for case
db.append(host, strlen(host), system_charset_info);
db.append ('\'');
if (want_access & GRANT_ACL)
db.append(STRING_WITH_LEN(" WITH GRANT OPTION"));
@@ -4407,6 +4414,13 @@ bool mysql_show_grants(THD *thd,LEX_USER *lex_user)
if (!(host= grant_table->host.hostname))
host= "";
/*
We do not make SHOW GRANTS case-sensitive here (like REVOKE),
but make it case-insensitive because that's the way they are
actually applied, and showing fewer privileges than are applied
would be wrong from a security point of view.
*/
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
{
@@ -4487,8 +4501,8 @@ bool mysql_show_grants(THD *thd,LEX_USER *lex_user)
global.append(lex_user->user.str, lex_user->user.length,
system_charset_info);
global.append(STRING_WITH_LEN("'@'"));
global.append(lex_user->host.str,lex_user->host.length,
system_charset_info);
// host and lex_user->host are equal except for case
global.append(host, strlen(host), system_charset_info);
global.append('\'');
if (table_access & GRANT_ACL)
global.append(STRING_WITH_LEN(" WITH GRANT OPTION"));
@@ -4543,6 +4557,13 @@ static int show_routine_grants(THD* thd, LEX_USER *lex_user, HASH *hash,
if (!(host= grant_proc->host.hostname))
host= "";
/*
We do not make SHOW GRANTS case-sensitive here (like REVOKE),
but make it case-insensitive because that's the way they are
actually applied, and showing fewer privileges than are applied
would be wrong from a security point of view.
*/
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
{
@@ -4586,8 +4607,8 @@ static int show_routine_grants(THD* thd, LEX_USER *lex_user, HASH *hash,
global.append(lex_user->user.str, lex_user->user.length,
system_charset_info);
global.append(STRING_WITH_LEN("'@'"));
global.append(lex_user->host.str,lex_user->host.length,
system_charset_info);
// host and lex_user->host are equal except for case
global.append(host, strlen(host), system_charset_info);
global.append('\'');
if (proc_access & GRANT_ACL)
global.append(STRING_WITH_LEN(" WITH GRANT OPTION"));
@@ -5541,7 +5562,7 @@ bool mysql_revoke_all(THD *thd, List <LEX_USER> &list)
host= "";
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
!strcmp(lex_user->host.str, host))
{
if (!replace_db_table(tables[1].table, acl_db->db, *lex_user, ~(ulong)0, 1))
{
@@ -5572,7 +5593,7 @@ bool mysql_revoke_all(THD *thd, List <LEX_USER> &list)
host= "";
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
!strcmp(lex_user->host.str, host))
{
if (replace_table_table(thd,grant_table,tables[2].table,*lex_user,
grant_table->db,
@@ -5618,7 +5639,7 @@ bool mysql_revoke_all(THD *thd, List <LEX_USER> &list)
host= "";
if (!strcmp(lex_user->user.str,user) &&
!my_strcasecmp(system_charset_info, lex_user->host.str, host))
!strcmp(lex_user->host.str, host))
{
if (!replace_routine_table(thd,grant_proc,tables[4].table,*lex_user,
grant_proc->db,