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support DEFINER=role and DEFINER=current_role

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This commit is contained in:
Sergei Golubchik
2013-10-18 12:17:49 -07:00
parent b054700619
commit b2f16628cf
24 changed files with 1467 additions and 387 deletions
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32
sql-common/my_user.c
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@ -30,34 +30,40 @@
host_name_str [OUT] Buffer to store host name part.
Must be not less than HOSTNAME_LENGTH + 1.
host_name_len [OUT] A place to store length of the host name part.
RETURN
0 - if only a user was set, no '@' was found
1 - if both user and host were set
*/
void parse_user(const char *user_id_str, size_t user_id_len,
char *user_name_str, size_t *user_name_len,
char *host_name_str, size_t *host_name_len)
int parse_user(const char *user_id_str, size_t user_id_len,
char *user_name_str, size_t *user_name_len,
char *host_name_str, size_t *host_name_len)
{
char *p= strrchr(user_id_str, '@');
if (!p)
{
*user_name_len= 0;
*user_name_len= user_id_len;
*host_name_len= 0;
}
else
{
*user_name_len= (uint) (p - user_id_str);
*host_name_len= (uint) (user_id_len - *user_name_len - 1);
if (*user_name_len > USERNAME_LENGTH)
*user_name_len= USERNAME_LENGTH;
if (*host_name_len > HOSTNAME_LENGTH)
*host_name_len= HOSTNAME_LENGTH;
memcpy(user_name_str, user_id_str, *user_name_len);
memcpy(host_name_str, p + 1, *host_name_len);
}
if (*user_name_len > USERNAME_LENGTH)
*user_name_len= USERNAME_LENGTH;
if (*host_name_len > HOSTNAME_LENGTH)
*host_name_len= HOSTNAME_LENGTH;
memcpy(user_name_str, user_id_str, *user_name_len);
memcpy(host_name_str, p + 1, *host_name_len);
user_name_str[*user_name_len]= 0;
host_name_str[*host_name_len]= 0;
return p != NULL;
}