src/bnetd/sql_dbcreator.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include "common/setup_before.h"
#ifdef WITH_SQL
#include <stdio.h>

#ifdef STDC_HEADERS
# include <stdlib.h>
#else
# ifdef HAVE_MALLOC_H
#  include <malloc.h>
# endif
#endif

#ifdef HAVE_STRING_H
# include <string.h>
#else
# ifdef HAVE_STRINGS_H
#  include <strings.h>
# endif
#endif

#define  SQL_DBCREATOR_INTERNAL_ACCESS
#include "sql_dbcreator.h"
#undef   SQL_DBCREATOR_INTERNAL_ACCESS
#include "storage_sql.h"

#include "common/eventlog.h"
#include "common/util.h"

#include "compat/strdup.h"
#include "common/list.h"
#include "common/xalloc.h"
#include "prefs.h"
#include "common/setup_after.h"

t_elem  * curr_table  = NULL;
t_elem  * curr_column = NULL;

t_db_layout * db_layout;

t_column * create_column(char * name, char * value)
{
  t_column * column;
  
  if (!(name))
    {
      eventlog(eventlog_level_error,__FUNCTION__,"got NULL column name");
      return NULL;
    }
  
  if (!(value))
    {
      eventlog(eventlog_level_error,__FUNCTION__,"got NULL column value");
      return NULL;
    }
  
  column = xmalloc(sizeof(t_column));
  column->name  = xstrdup(name);
  column->value = xstrdup(value);

  return column;
};

void dispose_column(t_column * column)
{
  if (column)
    {
      if (column->name)  xfree((void *)column->name);
      if (column->value) xfree((void *)column->value);
      xfree((void *)column);
    }
}

t_table * create_table(char * name)
{
  t_table * table;
  
  if (!(name))
    {
      eventlog(eventlog_level_error,__FUNCTION__,"got NULL table name");
      return NULL;
    }
  
  table = xmalloc(sizeof(t_table));
  table->name = xstrdup(name);

  table->columns = list_create();
  
  return table;
}

void dispose_table(t_table * table)
{
  t_elem * curr;
  t_column * column;
  
  if (table)
    {
      if (table->name) xfree((void *)table->name);
      // free list
      if (table->columns)
        {
          LIST_TRAVERSE(table->columns,curr)
            {
              if (!(column = elem_get_data(curr)))
                {
                  eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                  continue;
                }
              dispose_column(column);
              list_remove_elem(table->columns,&curr);
            }
          
          list_destroy(table->columns);
          
        }
      
      xfree((void *)table);
    }
}

void table_add_column(t_table * table, t_column * column)
{
  if ((table) && (column))
    {
      list_append_data(table->columns,column);
    }
}

t_db_layout * create_db_layout()
{
  t_db_layout * db_layout;
  
  db_layout = xmalloc(sizeof(t_db_layout));

  db_layout->tables = list_create();
  
  return db_layout;
}

void dispose_db_layout(t_db_layout * db_layout)
{
  t_elem  * curr;
  t_table * table;
 

  if (db_layout)
    {
      if (db_layout->tables)
        {
          LIST_TRAVERSE(db_layout->tables,curr)
            {
              if (!(table = elem_get_data(curr)))
                {
                  eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
                  continue;
                }
              dispose_table(table);
              list_remove_elem(db_layout->tables,&curr);
            }
          list_destroy(db_layout->tables);
        }
      xfree((void *)db_layout);
    }
  
}

void db_layout_add_table(t_db_layout * db_layout, t_table * table)
{
  if ((db_layout) && (table))
    {
      list_append_data(db_layout->tables,table);
    }
}

t_table * db_layout_get_first_table(t_db_layout * db_layout)
{
  t_table * table;

  curr_column = NULL;

  if (!(db_layout))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL db_layout");
    return NULL;
  }

  if (!(db_layout->tables))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"found NULL db_layout->tables");
    return NULL;
  }

  if (!(curr_table = list_get_first(db_layout->tables)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"db_layout has no tables");
    return NULL;
  }

  if (!(table = elem_get_data(curr_table)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
    return NULL;
  }

  return table;
}

t_table * db_layout_get_next_table(t_db_layout * db_layout)
{
  t_table * table;

  curr_column = NULL;

  if (!(curr_table))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL curr_table");
    return NULL;
  }

  if (!(curr_table = elem_get_next(db_layout->tables, curr_table))) return NULL;

  if (!(table = elem_get_data(curr_table)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
    return NULL;
  }

  return table;
}

t_column * table_get_first_column(t_table * table)
{
  t_column * column;

  if (!(table))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL table");
    return NULL;
  }

  if (!(table->columns))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL table->columns");
    return NULL;
  }

  if (!(curr_column = list_get_first(table->columns)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"table has no columns");
    return NULL;
  }

  if (!(column = elem_get_data(curr_column)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
    return NULL;
  }

  return column;
}

t_column * table_get_next_column(t_table * table)
{
  t_column * column;

  if (!(curr_column))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL curr_column");
    return NULL;
  }

  if (!(curr_column = elem_get_next(table->columns, curr_column))) return NULL;

  if (!(column = elem_get_data(curr_column)))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
    return NULL;
  }

  return column;
}

int load_db_layout(char const * filename)
{
  FILE * fp;
  int    lineno;
  char * line        = NULL;
  char * tmp         = NULL;
  char * table       = NULL;
  char * column      = NULL;
  char * value       = NULL;
  t_table * _table   = NULL;
  t_column * _column = NULL;

  if (!(filename))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"got NULL filename");
    return -1;
  }

  if (!(fp = fopen(filename,"r")))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"can't open sql_DB_layout file");
    return -1;
  }

  if (!(db_layout = create_db_layout()))
  {
    eventlog(eventlog_level_error,__FUNCTION__,"failed to create db_layout");
    fclose(fp);
    return -1;
  }

  for (lineno=1; (line = file_get_line(fp)) ; lineno++)
  {
    switch (line[0])
    {
      case '[':
        table = &line[1];
        if (!(tmp = strchr(table,']')))
        {
          eventlog(eventlog_level_error,__FUNCTION__,"missing ']' in line %i",lineno);
          continue;
        }
        tmp[0]='\0';
        if (_table)  db_layout_add_table(db_layout,_table);

        _table = create_table(table);

        break;
      case '"':
        if (!(_table))
        {
          eventlog(eventlog_level_error,__FUNCTION__,"found a column without previous table in line %i",lineno);
          continue;
        }
        column = &line[1];
        if (!(tmp = strchr(column,'"')))
        {
          eventlog(eventlog_level_error,__FUNCTION__,"missing '\"' at the end of column definitioni in line %i",lineno);
          continue;
        }
        tmp[0]='\0';
        tmp++;
        if (!(tmp = strchr(tmp,'"')))
        {
          eventlog(eventlog_level_error,__FUNCTION__,"missing default value in line %i",lineno);
          continue;
        }
        value = ++tmp;
        if (!(tmp = strchr(value,'"')))
        {
          eventlog(eventlog_level_error,__FUNCTION__,"missing '\"' at the end of default value in line %i",lineno);
          continue;
        }
        tmp[0]='\0';
        _column = create_column(column,value);
        table_add_column(_table,_column);
        _column = NULL;

        break;
      case '#':
        break;
      default:
        eventlog(eventlog_level_error,__FUNCTION__,"illegal starting symbol at line %i",lineno);
    }
  }
  if (_table) db_layout_add_table(db_layout,_table);

  file_get_line(NULL); // clear file_get_line buffer
  fclose(fp);
  return 0;
}

int sql_dbcreator(t_sql_engine * sql)
{
  t_table     * table;
  t_column    * column;
  char        _column[1024];
  char        query[1024];

  load_db_layout(prefs_get_DBlayoutfile());

  eventlog(eventlog_level_info, __FUNCTION__,"Creating missing tables and columns (if any)");
 
  for (table = db_layout_get_first_table(db_layout);table;table = db_layout_get_next_table(db_layout))
  {
     column = table_get_first_column(table);
     sprintf(query,"CREATE TABLE %s (%s default %s)",table->name,column->name,column->value); 
     //create table if missing
     if (!(sql->query(query)))
     {
       eventlog(eventlog_level_info,__FUNCTION__,"added missing table %s to DB",table->name);
       eventlog(eventlog_level_info,__FUNCTION__,"added missing column %s to table %s",column->name,table->name);
     }

    for (;column;column = table_get_next_column(table))
    {
      sprintf(query,"ALTER TABLE %s ADD %s",table->name,column->name);
      // add missing columns
      if (!(sql->query(query)))
      {
        eventlog(eventlog_level_info,__FUNCTION__,"added missing column %s to table %s",column->name,table->name);
        sscanf(column->name,"%s",_column); //get column name without format infos
        sprintf(query,"ALTER TABLE %s ALTER %s SET DEFAULT %s",table->name,_column,column->value);
        sql->query(query);
      }
    }

    column = table_get_first_column(table);
    sscanf(column->name,"%s",_column); //get column name without format infos
    sprintf(query,"INSERT INTO %s (%s) VALUES (%s)",table->name,_column,column->value);
    if (!(sql->query(query)))
    {
      eventlog(eventlog_level_info,__FUNCTION__,"added missing default account to table %s",table->name);
    }

  }
  
  dispose_db_layout(db_layout);
 
  eventlog(eventlog_level_info,__FUNCTION__,"finished adding missing tables and columns");  
  return 0;
}

#endif /* WITH_SQL */
1	sysadm	1.1	/*
2			* This program is free software; you can redistribute it and/or
3			* modify it under the terms of the GNU General Public License
4			* as published by the Free Software Foundation; either version 2
5			* of the License, or (at your option) any later version.
6			*
7			* This program is distributed in the hope that it will be useful,
8			* but WITHOUT ANY WARRANTY; without even the implied warranty of
9			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10			* GNU General Public License for more details.
11			*
12			* You should have received a copy of the GNU General Public License
13			* along with this program; if not, write to the Free Software
14			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15			*/
16
17			#include "common/setup_before.h"
18			#ifdef WITH_SQL
19			#include <stdio.h>
20
21			#ifdef STDC_HEADERS
22			# include <stdlib.h>
23			#else
24			# ifdef HAVE_MALLOC_H
25			# include <malloc.h>
26			# endif
27			#endif
28
29			#ifdef HAVE_STRING_H
30			# include <string.h>
31			#else
32			# ifdef HAVE_STRINGS_H
33			# include <strings.h>
34			# endif
35			#endif
36
37			#define SQL_DBCREATOR_INTERNAL_ACCESS
38			#include "sql_dbcreator.h"
39			#undef SQL_DBCREATOR_INTERNAL_ACCESS
40			#include "storage_sql.h"
41
42			#include "common/eventlog.h"
43			#include "common/util.h"
44
45			#include "compat/strdup.h"
46			#include "common/list.h"
47			#include "common/xalloc.h"
48			#include "prefs.h"
49			#include "common/setup_after.h"
50
51			t_elem * curr_table = NULL;
52			t_elem * curr_column = NULL;
53
54			t_db_layout * db_layout;
55
56			t_column * create_column(char * name, char * value)
57			{
58			t_column * column;
59
60			if (!(name))
61			{
62			eventlog(eventlog_level_error,__FUNCTION__,"got NULL column name");
63			return NULL;
64			}
65
66			if (!(value))
67			{
68			eventlog(eventlog_level_error,__FUNCTION__,"got NULL column value");
69			return NULL;
70			}
71
72			column = xmalloc(sizeof(t_column));
73			column->name = xstrdup(name);
74			column->value = xstrdup(value);
75
76			return column;
77			};
78
79			void dispose_column(t_column * column)
80			{
81			if (column)
82			{
83			if (column->name) xfree((void *)column->name);
84			if (column->value) xfree((void *)column->value);
85			xfree((void *)column);
86			}
87			}
88
89			t_table * create_table(char * name)
90			{
91			t_table * table;
92
93			if (!(name))
94			{
95			eventlog(eventlog_level_error,__FUNCTION__,"got NULL table name");
96			return NULL;
97			}
98
99			table = xmalloc(sizeof(t_table));
100			table->name = xstrdup(name);
101
102			table->columns = list_create();
103
104			return table;
105			}
106
107			void dispose_table(t_table * table)
108			{
109			t_elem * curr;
110			t_column * column;
111
112			if (table)
113			{
114			if (table->name) xfree((void *)table->name);
115			// free list
116			if (table->columns)
117			{
118			LIST_TRAVERSE(table->columns,curr)
119			{
120			if (!(column = elem_get_data(curr)))
121			{
122			eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
123			continue;
124			}
125			dispose_column(column);
126			list_remove_elem(table->columns,&curr);
127			}
128
129			list_destroy(table->columns);
130
131			}
132
133			xfree((void *)table);
134			}
135			}
136
137			void table_add_column(t_table * table, t_column * column)
138			{
139			if ((table) && (column))
140			{
141			list_append_data(table->columns,column);
142			}
143			}
144
145			t_db_layout * create_db_layout()
146			{
147			t_db_layout * db_layout;
148
149			db_layout = xmalloc(sizeof(t_db_layout));
150
151			db_layout->tables = list_create();
152
153			return db_layout;
154			}
155
156			void dispose_db_layout(t_db_layout * db_layout)
157			{
158			t_elem * curr;
159			t_table * table;
160
161
162			if (db_layout)
163			{
164			if (db_layout->tables)
165			{
166			LIST_TRAVERSE(db_layout->tables,curr)
167			{
168			if (!(table = elem_get_data(curr)))
169			{
170			eventlog(eventlog_level_error,__FUNCTION__,"found NULL entry in list");
171			continue;
172			}
173			dispose_table(table);
174			list_remove_elem(db_layout->tables,&curr);
175			}
176			list_destroy(db_layout->tables);
177			}
178			xfree((void *)db_layout);
179			}
180
181			}
182
183			void db_layout_add_table(t_db_layout * db_layout, t_table * table)
184			{
185			if ((db_layout) && (table))
186			{
187			list_append_data(db_layout->tables,table);
188			}
189			}
190
191			t_table * db_layout_get_first_table(t_db_layout * db_layout)
192			{
193			t_table * table;
194
195			curr_column = NULL;
196
197			if (!(db_layout))
198			{
199			eventlog(eventlog_level_error,__FUNCTION__,"got NULL db_layout");
200			return NULL;
201			}
202
203			if (!(db_layout->tables))
204			{
205			eventlog(eventlog_level_error,__FUNCTION__,"found NULL db_layout->tables");
206			return NULL;
207			}
208
209			if (!(curr_table = list_get_first(db_layout->tables)))
210			{
211			eventlog(eventlog_level_error,__FUNCTION__,"db_layout has no tables");
212			return NULL;
213			}
214
215			if (!(table = elem_get_data(curr_table)))
216			{
217			eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
218			return NULL;
219			}
220
221			return table;
222			}
223
224			t_table * db_layout_get_next_table(t_db_layout * db_layout)
225			{
226			t_table * table;
227
228			curr_column = NULL;
229
230			if (!(curr_table))
231			{
232			eventlog(eventlog_level_error,__FUNCTION__,"got NULL curr_table");
233			return NULL;
234			}
235
236			if (!(curr_table = elem_get_next(db_layout->tables, curr_table))) return NULL;
237
238			if (!(table = elem_get_data(curr_table)))
239			{
240			eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
241			return NULL;
242			}
243
244			return table;
245			}
246
247			t_column * table_get_first_column(t_table * table)
248			{
249			t_column * column;
250
251			if (!(table))
252			{
253			eventlog(eventlog_level_error,__FUNCTION__,"got NULL table");
254			return NULL;
255			}
256
257			if (!(table->columns))
258			{
259			eventlog(eventlog_level_error,__FUNCTION__,"got NULL table->columns");
260			return NULL;
261			}
262
263			if (!(curr_column = list_get_first(table->columns)))
264			{
265			eventlog(eventlog_level_error,__FUNCTION__,"table has no columns");
266			return NULL;
267			}
268
269			if (!(column = elem_get_data(curr_column)))
270			{
271			eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
272			return NULL;
273			}
274
275			return column;
276			}
277
278			t_column * table_get_next_column(t_table * table)
279			{
280			t_column * column;
281
282			if (!(curr_column))
283			{
284			eventlog(eventlog_level_error,__FUNCTION__,"got NULL curr_column");
285			return NULL;
286			}
287
288			if (!(curr_column = elem_get_next(table->columns, curr_column))) return NULL;
289
290			if (!(column = elem_get_data(curr_column)))
291			{
292			eventlog(eventlog_level_error,__FUNCTION__,"got NULL elem in list");
293			return NULL;
294			}
295
296			return column;
297			}
298
299			int load_db_layout(char const * filename)
300			{
301			FILE * fp;
302			int lineno;
303			char * line = NULL;
304			char * tmp = NULL;
305			char * table = NULL;
306			char * column = NULL;
307			char * value = NULL;
308			t_table * _table = NULL;
309			t_column * _column = NULL;
310
311			if (!(filename))
312			{
313			eventlog(eventlog_level_error,__FUNCTION__,"got NULL filename");
314			return -1;
315			}
316
317			if (!(fp = fopen(filename,"r")))
318			{
319			eventlog(eventlog_level_error,__FUNCTION__,"can't open sql_DB_layout file");
320			return -1;
321			}
322
323			if (!(db_layout = create_db_layout()))
324			{
325			eventlog(eventlog_level_error,__FUNCTION__,"failed to create db_layout");
326			fclose(fp);
327			return -1;
328			}
329
330			for (lineno=1; (line = file_get_line(fp)) ; lineno++)
331			{
332			switch (line[0])
333			{
334			case '[':
335			table = &line[1];
336			if (!(tmp = strchr(table,']')))
337			{
338			eventlog(eventlog_level_error,__FUNCTION__,"missing ']' in line %i",lineno);
339			continue;
340			}
341			tmp[0]='\0';
342			if (_table) db_layout_add_table(db_layout,_table);
343
344			_table = create_table(table);
345
346			break;
347			case '"':
348			if (!(_table))
349			{
350			eventlog(eventlog_level_error,__FUNCTION__,"found a column without previous table in line %i",lineno);
351			continue;
352			}
353			column = &line[1];
354			if (!(tmp = strchr(column,'"')))
355			{
356			eventlog(eventlog_level_error,__FUNCTION__,"missing '\"' at the end of column definitioni in line %i",lineno);
357			continue;
358			}
359			tmp[0]='\0';
360			tmp++;
361			if (!(tmp = strchr(tmp,'"')))
362			{
363			eventlog(eventlog_level_error,__FUNCTION__,"missing default value in line %i",lineno);
364			continue;
365			}
366			value = ++tmp;
367			if (!(tmp = strchr(value,'"')))
368			{
369			eventlog(eventlog_level_error,__FUNCTION__,"missing '\"' at the end of default value in line %i",lineno);
370			continue;
371			}
372			tmp[0]='\0';
373			_column = create_column(column,value);
374			table_add_column(_table,_column);
375			_column = NULL;
376
377			break;
378			case '#':
379			break;
380			default:
381			eventlog(eventlog_level_error,__FUNCTION__,"illegal starting symbol at line %i",lineno);
382			}
383			}
384			if (_table) db_layout_add_table(db_layout,_table);
385
386			file_get_line(NULL); // clear file_get_line buffer
387			fclose(fp);
388			return 0;
389			}
390
391			int sql_dbcreator(t_sql_engine * sql)
392			{
393			t_table * table;
394			t_column * column;
395			char _column[1024];
396			char query[1024];
397
398			load_db_layout(prefs_get_DBlayoutfile());
399
400			eventlog(eventlog_level_info, __FUNCTION__,"Creating missing tables and columns (if any)");
401
402			for (table = db_layout_get_first_table(db_layout);table;table = db_layout_get_next_table(db_layout))
403			{
404			column = table_get_first_column(table);
405			sprintf(query,"CREATE TABLE %s (%s default %s)",table->name,column->name,column->value);
406			//create table if missing
407			if (!(sql->query(query)))
408			{
409			eventlog(eventlog_level_info,__FUNCTION__,"added missing table %s to DB",table->name);
410			eventlog(eventlog_level_info,__FUNCTION__,"added missing column %s to table %s",column->name,table->name);
411			}
412
413			for (;column;column = table_get_next_column(table))
414			{
415			sprintf(query,"ALTER TABLE %s ADD %s",table->name,column->name);
416			// add missing columns
417			if (!(sql->query(query)))
418			{
419			eventlog(eventlog_level_info,__FUNCTION__,"added missing column %s to table %s",column->name,table->name);
420			sscanf(column->name,"%s",_column); //get column name without format infos
421			sprintf(query,"ALTER TABLE %s ALTER %s SET DEFAULT %s",table->name,_column,column->value);
422			sql->query(query);
423			}
424			}
425
426			column = table_get_first_column(table);
427			sscanf(column->name,"%s",_column); //get column name without format infos
428			sprintf(query,"INSERT INTO %s (%s) VALUES (%s)",table->name,_column,column->value);
429			if (!(sql->query(query)))
430			{
431			eventlog(eventlog_level_info,__FUNCTION__,"added missing default account to table %s",table->name);
432			}
433
434			}
435
436			dispose_db_layout(db_layout);
437
438			eventlog(eventlog_level_info,__FUNCTION__,"finished adding missing tables and columns");
439			return 0;
440			}
441
442			#endif /* WITH_SQL */
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