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two buffer overflows fixed

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This commit is contained in:
serg@serg.mylan
2006-01-28 19:21:40 +01:00
parent 95adb0831d
commit 10373a900f
3 changed files with 5 additions and 4 deletions
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2
sql/sp.cc
View File

@@ -501,7 +501,7 @@ db_create_routine(THD *thd, int type, sp_head *sp)
else
{
restore_record(table, s->default_values); // Get default values for fields
strxmov(definer, thd->security_ctx->priv_user, "@",
strxnmov(definer, sizeof(definer)-1, thd->security_ctx->priv_user, "@",
thd->security_ctx->priv_host, NullS);
if (table->s->fields != MYSQL_PROC_FIELD_COUNT)

1
sql/sql_parse.cc
View File

@@ -1253,6 +1253,7 @@ pthread_handler_t handle_bootstrap(void *arg)
thd->version=refresh_version;
thd->security_ctx->priv_user=
thd->security_ctx->user= (char*) my_strdup("boot", MYF(MY_WME));
thd->security_ctx->priv_host[0]=0;
buff= (char*) thd->net.buff;
thd->init_for_queries();

6
sql/unireg.cc
View File

@@ -63,7 +63,7 @@ static bool make_empty_rec(THD *thd, int file, enum legacy_db_type table_type,
keys number of keys to create
key_info Keys to create
db_file Handler to use. May be zero, in which case we use
create_info->db_type
create_info->db_type
RETURN
0 ok
1 error
@@ -84,7 +84,7 @@ bool mysql_create_frm(THD *thd, const char *file_name,
uchar fileinfo[64],forminfo[288],*keybuff;
TYPELIB formnames;
uchar *screen_buff;
char buff[5];
char buff[32];
#ifdef WITH_PARTITION_STORAGE_ENGINE
partition_info *part_info= thd->lex->part_info;
#endif
@@ -232,7 +232,7 @@ bool mysql_create_frm(THD *thd, const char *file_name,
goto err;
}
}
VOID(my_seek(file,filepos,MY_SEEK_SET,MYF(0)));
if (my_write(file,(byte*) forminfo,288,MYF_RW) ||
my_write(file,(byte*) screen_buff,info_length,MYF_RW) ||