1    | /***************************************
2    |   $Revision: 1.94 $
3    | 
4    |   Query instructions (qi).  This is where the queries are executed.
5    | 
6    |   Status: NOT REVUED, TESTED
7    | 
8    |   ******************/ /******************
9    |   Filename            : query_instructions.c
10   |   Authors             : ottrey@ripe.net - framework and draft implementation
11   |                         marek@ripe.net - cleaned and extended, added referral,
12   | 			accounting support and watchdog cancellation.
13   |   OSs Tested          : Solaris
14   |   ******************/ /******************
15   |   Copyright (c) 1999,2000,2001,2002               RIPE NCC
16   |  
17   |   All Rights Reserved
18   |   
19   |   Permission to use, copy, modify, and distribute this software and its
20   |   documentation for any purpose and without fee is hereby granted,
21   |   provided that the above copyright notice appear in all copies and that
22   |   both that copyright notice and this permission notice appear in
23   |   supporting documentation, and that the name of the author not be
24   |   used in advertising or publicity pertaining to distribution of the
25   |   software without specific, written prior permission.
26   |   
27   |   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
28   |   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
29   |   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
30   |   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
31   |   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
32   |   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
33   |   ***************************************/
34   | #include "rip.h"
35   | 
36   | #include <stdio.h>
37   | #include <string.h>
38   | #include <glib.h>
39   | 
40   | /* the TEMPORARY table is only available in 3.23 or later MySQL */
41   | #if MYSQL_VERSION_ID >= 32300
42   | #define USE_TEMPORARY_TABLE 
43   | #endif
44   | 
45   | /* string to stick in CREATE TABLE statments */
46   | #ifdef USE_TEMPORARY_TABLE
47   | #define TEMPORARY "TEMPORARY"
48   | #else
49   | #define TEMPORARY ""
50   | #endif
51   | 
52   | /*++++++++++++++++++++++++++++++++++++++
53   |   Function invoked on query cancellation by the watchdog,
54   |   used from the sql_execute_watched() function.
55   |   
56   |   It aborts the running query (the abort function in sq kills and
57   |   reestablished the connection).
58   | 
59   |   void *qi_kill_body         result of sq_execute_query, int cast to (void*)
60   | 
61   |   void *arg                  pointer to sql connection
62   | 
63   |   Author:
64   |     marek.
65   |   
66   |   ++++++++++++++++++++++++++++++++++++++*/
67   | static
68   | void *qi_kill_body(void *arg)
69   | {
70   |   SQ_connection_t *sql_connection = arg;
71   |   ER_dbg_va(FAC_QI, ASP_QI_WATCH,
72   | 	      "rtc: killing SQL connection %d", (sql_connection)->thread_id);
73   |   /* abort the running query */
74   |   SQ_abort_query(sql_connection);
75   | 
76   |   return NULL;
77   | }
78   | 
79   | 
80   | 
81   | /*++++++++++++++++++++++++++++++++++++++
82   |   wrapper around sq_execute_query: starts a query 
83   |   in a separate thread and starts the socket watchdog to cancel the query 
84   |   if the socket is closed. If the socket has problems already (its 
85   |   reason-to-close flag is set) no query is attempted.
86   |   
87   |   The execution of the query or watchdog is not guaranteed at all!
88   | 
89   |   int sql_execute_watched        Returns the return code of SQ_execute_query,
90   |                                  Returns 0 for cancelled queries.
91   | 
92   |   sk_conn_st *condat             connection to watch
93   | 
94   |   SQ_connection_t **sql_connection  sql connection
95   | 
96   |   const char *query                 sql query to execute
97   | 
98   |   SQ_result_set_t **result_ptr      storage for the query result structure
99   |                                     (passed to SQ_execute_query). Must either
100  | 				    be NULL, or the pointer it points to must
101  | 				    be NULL - in that case the result struct.
102  | 				    will be allocated in SQ.
103  | 
104  |   Author:
105  |     marek.
106  |   ++++++++++++++++++++++++++++++++++++++*/
107  | int sql_execute_watched(sk_conn_st *condat, SQ_connection_t **sql_connection, 
108  | 			const char *query, SQ_result_set_t **result_ptr)
109  | {
110  |   int retval = 0; /* return value of sq_execute_query */
111  |   SQ_connection_t *tempcon;
112  | 
113  |   /* assert that, if defined, result_ptr is initialised to NULL 
114  |      prior to calling this function */
115  |   if( result_ptr != NULL ) {
116  |     dieif( *result_ptr != NULL );
117  |   }
118  | 
119  |   /* don't even try to perform the query/fire up watchdog
120  |      if rtc is already set. Do this only if not set yet. */
121  |   if( condat->rtc == 0 ) {
122  |     
123  |     /* make clean */
124  |     SK_watch_setclear(condat);
125  |     
126  |     /* set watchdog to execute the abort function */
127  |     SK_watch_setexec(condat, qi_kill_body, *sql_connection);
128  |     
129  |     /* start the watchdog */
130  |     SK_watchstart(condat);
131  |     
132  |     /* start query. An error may be returned if the query is aborted */
133  |     retval = SQ_execute_query(*sql_connection, query, result_ptr);
134  |     
135  |     /* but short queries will complete before the watchdog kills the
136  |        connection */
137  |     
138  |     SK_watchstop(condat);
139  |     
140  | 
141  |     /* if the watchdog triggered, then it is guaranteed that
142  |        the kill_body function was invoked and therefore the sql-connection
143  |        is now unusable... 
144  |        Close and reopen it for cleanup, use temporary connection
145  |        to keep the login details */
146  |     if( condat->rtc != 0 ) {
147  |       /* can't rely on the error code from mysql!
148  |        */ 
149  |     
150  |       /* one thing: this code must be entered ONLY if the kill_body
151  | 	 thing was invoked by the watchdog. 
152  |       */
153  |     
154  |       /* if result is defined, free it here before destroying the 
155  | 	 associated connection */
156  |       if( retval == 0 && result_ptr && *result_ptr ) {
157  | 	SQ_free_result( *result_ptr );
158  | 	*result_ptr = NULL;
159  |       }
160  |     
161  |       tempcon = SQ_duplicate_connection(*sql_connection);
162  |     
163  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
164  | 		"rtc: closing SQL thread %d", (*sql_connection)->thread_id);
165  |       SQ_close_connection(*sql_connection);
166  |     
167  |       *sql_connection = tempcon;
168  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
169  | 		"rtc: reopened as thread %d", (*sql_connection)->thread_id);
170  |     
171  |       /* make it look as if there was no error and 
172  | 	 the result is empty */
173  |       retval = 0;
174  |     } /* if watchdog set rtc */
175  |   
176  |   } /* if rtc not set before */
177  | 
178  |   return retval; 
179  | }
180  | 
181  | /* create_name_query() */
182  | /*++++++++++++++++++++++++++++++++++++++
183  |   Create an sql query for the names table. 
184  | 
185  |   char *query_str
186  | 
187  |   const char *sql_query
188  | 
189  |   const char *keys
190  |    
191  |   More:
192  |   +html+ <PRE>
193  |   Authors:
194  |     ottrey
195  |   +html+ </PRE>
196  |   ++++++++++++++++++++++++++++++++++++++*/
197  | static void create_name_query(GString *query_str, const char *sql_query, const char *keys) {
198  |   int i;
199  |   /* Allocate stuff - use dynamic strings (initialised to some length) */
200  |   GString *from_clause = g_string_sized_new(STR_L);
201  |   GString *where_clause = g_string_sized_new(STR_L);
202  |   gchar **words = g_strsplit(keys, " ", 0);
203  | 
204  |   /* double quotes " are used in queries to allow querying for 
205  |      names like O'Hara */
206  | 
207  |   if (words[0] != NULL) {
208  |     g_string_sprintfa(from_clause, "names N%.2d", 0);
209  |     g_string_sprintfa(where_clause, "N%.2d.name=\"%s\"", 0, words[0]);
210  | 
211  |     for (i=1; words[i] != NULL; i++) {
212  |       g_string_sprintfa(from_clause, ", names N%.2d", i);
213  |       g_string_sprintfa(where_clause, 
214  |           " AND N%.2d.name=\"%s\" AND N00.object_id = N%.2d.object_id", 
215  |           i, words[i], i);
216  |     }
217  |   }
218  | 
219  |   g_string_sprintf(query_str, sql_query, from_clause->str, where_clause->str);
220  | 
221  |   /* Free up stuff */
222  |   g_strfreev(words);
223  |   g_string_free(where_clause,/* CONSTCOND */ TRUE);
224  |   g_string_free(from_clause, /* CONSTCOND */ TRUE);
225  | 
226  | } /* create_name_query() */
227  | 
228  | 
229  | /*++++++++++++++++++++++++++++++++++++++
230  |   construct a range query for the as_block table
231  |   (a query for an AS block object) given a string like: 
232  |   AS1
233  |   AS1 - AS10
234  |   AS1-AS10
235  | 
236  |   int create_asblock_query    Returns 0 on success, -1 on failure 
237  |                              (search term not an AS# nor range)
238  | 
239  |   char *query_str             buffer for the final query (must be big enough)
240  | 
241  |   const char *sql_query       rest of the sql query (with %d %d formats for
242  |                               AS numbers)
243  | 
244  |   const char *keys            user-supplied search term.
245  | 
246  |   Author:
247  |     marek
248  |   ++++++++++++++++++++++++++++++++++++++*/
249  | static int create_asblock_query(GString *query_str, 
250  | 				const char *sql_query, 
251  | 				const char *keys) {
252  |   char *keycopy = wr_string(keys);
253  |   char *token, *cursor = keycopy;
254  |   int  asnums[2] = {0,0};
255  |   int index = 0; /* index into the asnums array */
256  | 
257  | 
258  |   while( (token = strsep( &cursor, "-" )) != NULL && index < 2) {  
259  |     /* discard the letters (or leading whitespace), take the number */
260  |     if( sscanf(token, "%*[ AS]%d", &asnums[index++]) < 1 ) {
261  |       return -1; /* error */
262  |     }
263  |   }
264  |   /* if only beginning was supplied, copy it as end */
265  |   if( index == 1 ) {
266  |     asnums[1] = asnums[0];
267  |   }
268  |   
269  |   /* now construct the query */
270  |   g_string_sprintf(query_str, sql_query, asnums[0], asnums[1]);
271  | 
272  |   UT_free(keycopy);
273  |   return 0;
274  | }
275  | 
276  | 
277  | /*++++++++++++++++++++++++++++++++++++++
278  |   add_filter(): construct a query to limit the objects returned from the last
279  |   table to predefined types. 
280  | 
281  |   char *query_str           buffer for the final query, containing the initial
282  |                             part of the query (must be big enough)
283  | 
284  |   const Query_command *qc   query command structure with the bitmap of 
285  |                             object types to be included.
286  | 			    
287  |   Author:
288  |     ottrey.
289  |   ++++++++++++++++++++++++++++++++++++++*/
290  | static void add_filter(GString *query_str, const Query_command *qc) 
291  | {
292  |   unsigned i;
293  | /*  int qlen;*/
294  |   char filter_atom[STR_M];
295  | 
296  | #if 0
297  |   /* glib string manipulation - untested yet */
298  |   
299  |     if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) { 
300  |       g_string_sprintfa(query_str, " AND (");
301  |       for (i=0; i < C_END; i++) {
302  | 	if (MA_isset(qc->object_type_bitmap, i)) {
303  | 	  g_string_sprintfa(query_str, "i.object_type = %d OR ", DF_get_class_dbase_code(i));
304  | 	}
305  |       }
306  |       g_string_truncate(query_str, query_str->len-3);
307  |       g_string_append_c(query_str, ')');
308  |     }
309  | 
310  | #else /* classic string operations */
311  | 
312  |   /* add filters only if any bits are 0 (the number of 1's is < MAX_MAX */
313  |   if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) { 
314  |     g_string_append(query_str, " AND (");
315  |     for (i=0; i < C_END; i++) {
316  |       if (MA_isset(qc->object_type_bitmap, i)) {
317  |         strcpy(filter_atom, "");
318  |         sprintf(filter_atom, "i.object_type = %d OR ", i);
319  | 	                /* XXX class codes should be used instead:
320  | 			   DF_get_class_dbase_code(i)) 
321  | 			   but currently the tables contain values of enums
322  | 			   (C_IN, etc) and not codes
323  | 			*/
324  |         g_string_append(query_str, filter_atom);
325  |       }
326  |     }
327  |     dieif(query_str->len < 3);  /* this code can only be reached if there is
328  |                                    at least one object here, meaning this 
329  |                                    must end with the string "OR ", which we
330  |                                    then remove */
331  |     g_string_truncate(query_str, query_str->len - 3);
332  |     g_string_append_c(query_str, ')');
333  | /*    qlen = strlen(query_str);
334  |     query_str[qlen-3] = ')';
335  |     query_str[qlen-2] = '\0';
336  |     query_str[qlen-1] = '\0';*/
337  |   }
338  | 
339  | #endif
340  |   
341  | } /* add_filter() */
342  | 
343  | /* create_query() */
344  | /*++++++++++++++++++++++++++++++++++++++
345  |   Create an sql query from the query_command and the matching keytype and the
346  |   selected inverse attributes.
347  |   Note this clears the first inv_attribute it sees, so is called sequentially
348  |   until there are no inv_attributes left.
349  | 
350  |   WK_Type keytype The matching keytype.
351  | 
352  |   const Query_command *qc The query command.
353  | 
354  |   mask_t *inv_attrs_bitmap The selected inverse attributes.
355  |    
356  |   More:
357  |   +html+ <PRE>
358  |   Authors:
359  |         ottrey
360  |   +html+ </PRE>
361  | 
362  |   ++++++++++++++++++++++++++++++++++++++*/
363  | static char *create_query(const Query_t q, const Query_command *qc) 
364  | {
365  |   GString *result_buff;
366  |   char *result;
367  |   Q_Type_t querytype;
368  |   int addquery = 0; /* controls if the query should be added to the list */
369  | 
370  |   result_buff = g_string_sized_new(STR_XL);
371  | 
372  |   if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
373  |     querytype = Q_INVERSE;
374  |   }
375  |   else {
376  |     querytype = Q_LOOKUP;
377  |   }
378  | 
379  |   if ( (q.query != NULL) 
380  |     && (q.querytype == querytype) ) {
381  |     
382  |     /* addquery = 1; */
383  |     /* if it got here, it should be added, unless.(see asblock)*/
384  |     
385  |     if (q.keytype == WK_NAME) { 
386  |       /* Name queries require special treatment. */
387  |       create_name_query(result_buff, q.query, qc->keys);
388  |       addquery = 1;
389  |     }
390  |     else if( q.keytype == WK_IPADDRESS ) {  /* ifaddr sql lookups */
391  |       ip_range_t myrang;
392  |       unsigned   begin, end;
393  |       ip_keytype_t key_type;
394  |       
395  |       /* The only inverse query for IPADDRESS is nserver. */
396  |       /* We need to insure that we don't try to use the numeric values for this
397  |        * query, because the address of the server is stored as a string, and
398  |        * the SQL query is formatted appropriately. */
399  |       if (NOERR(IP_smart_range(qc->keys, &myrang, IP_EXPN, &key_type))) {
400  |         if(IP_rang_b2_space(&myrang) == IP_V4 ) {
401  | 	  IP_rang_b2v4(&myrang, &begin, &end);
402  | 	  if (querytype == Q_INVERSE) {
403  | 	      /* for inverse queries, convert number to dotted-quad */
404  | 	      char buf[64];
405  | 	      const char *inet_ntop_ret;
406  | 	      inet_ntop_ret = inet_ntop(AF_INET, &begin, buf, sizeof(buf));
407  | 	      dieif(inet_ntop_ret == NULL);
408  | 	      g_string_sprintf(result_buff, q.query, buf);
409  | 	  } else {
410  | 	      /* otherwise, execute appropriate query on numeric values */
411  | 	      g_string_sprintf(result_buff, q.query, begin, end);
412  | 	  }
413  | 	  addquery = 1;
414  | 	}
415  | 	else {
416  | 	  die;
417  | 	}
418  |       }
419  |     }
420  |     else if( q.keytype == WK_ASRANGE ) {   /* as_block range composition */
421  |       if( create_asblock_query(result_buff, q.query, qc->keys) != 0 ) {
422  | 	addquery = 0; /* ... unless it's not correct */
423  |       }
424  |       else {
425  | 	addquery = 1;
426  |       }
427  |     }
428  |     else {
429  |       g_string_sprintf(result_buff, q.query, qc->keys);
430  |       addquery = 1;
431  |     }
432  | 
433  |     if (q.class == C_ANY && addquery == 1 ) {
434  |       /* It is class type ANY so add the object filtering */
435  |       add_filter(result_buff, qc);
436  |     }
437  |   }
438  |   
439  |   if( addquery == 1 ) {
440  |     result = UT_strdup(result_buff->str);
441  |   } else {
442  |     result = NULL;
443  |   }
444  |   g_string_free(result_buff, TRUE);
445  | 
446  |   return result;
447  | } /* create_query() */
448  | 
449  | /* QI_fast_output() */
450  | /*++++++++++++++++++++++++++++++++++++++
451  |   This is for the '-F' flag.
452  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
453  |   Fast isn't fast anymore - it's just there for compatibility reasons.
454  | 
455  |   const char *str        The object to be "fast output'ed".
456  |    
457  |   More:
458  |   +html+ <PRE>
459  |   Authors:
460  |         ottrey,
461  | 	marek - glib strings + small changes
462  |   +html+ </PRE>
463  |   ++++++++++++++++++++++++++++++++++++++*/
464  | char *QI_fast_output(const char *str) 
465  | {
466  |   int i,j;
467  |   char *result;
468  |   GString *result_buff = g_string_sized_new(STR_XL);
469  |   gchar **lines = g_strsplit(str, "\n", 0);
470  |   unsigned char *value, *colon;
471  |   char *attr;
472  | 
473  |   g_string_assign(result_buff, "");
474  |   
475  |   for (j=0; lines[j] != NULL; j++) {
476  | 
477  |     switch (lines[j][0]) {
478  |       /* line continuation */
479  |     case ' ':
480  |     case '\t':
481  |     case '+':
482  |       value = (unsigned char *) lines[j]+1;
483  |       while(*value != '\0' && isspace(*value)) {
484  | 	value++;
485  |       }      
486  |       g_string_append(result_buff, "\n+ ");
487  |       g_string_append(result_buff, (char *)value);
488  |       break;
489  |       
490  |     default:
491  |       /* a line of the form "attribute: value" */
492  |       /* first: close the last line (if there was any, i.e. j>0) */
493  |       if( j > 0 ) { 
494  | 	g_string_append_c(result_buff, '\n');
495  |       }
496  |       
497  |       /* get attribute name */
498  |       attr =  lines[j];
499  |       colon = (unsigned char *) strchr(lines[j], ':');
500  |       /* if there's no colon for whatever reason, dump the object
501  | 	 and report the condition */
502  |       if( colon == NULL ) {
503  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
504  | 	goto fast_output_cleanup;
505  |       }
506  |       *colon = '\0';
507  |       for(value = colon+1; *value != '\0' && isspace(*value) ; value++) {
508  | 	;
509  |       }
510  | 
511  |       if( (i = DF_attribute_name2type(attr)) == -1 ) {
512  | 	  /* warning! error in the object format */
513  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
514  | 	goto fast_output_cleanup;
515  | 		
516  |       }
517  |       else {
518  | 	/* This is the juicy bit that converts the likes of; "source: RIPE" to "*so: RIPE" */
519  | 	g_string_append_c(result_buff, '*');
520  | 	g_string_append(result_buff, DF_get_attribute_code(i));
521  | 	g_string_append(result_buff, ": ");
522  | 	g_string_append(result_buff, (char *)value);
523  |       }
524  |     } /* switch */  
525  |   } /* for every line */ 
526  | 
527  |  fast_output_cleanup:
528  | 
529  |   g_strfreev(lines);
530  |   
531  |   g_string_append_c(result_buff, '\n');
532  |   result = UT_strdup(result_buff->str);
533  |   dieif(result == NULL);
534  |   
535  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
536  |   
537  |   return result;
538  | } /* fast_output() */
539  | 
540  | /* filter() */
541  | /*++++++++++++++++++++++++++++++++++++++
542  |   Basically it's for the '-K' flag for non-set (and non-radix) objects.
543  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
544  | 
545  |   This could be speed up if there were breaks out of the loops, once it matched something.
546  | 
547  |   const char *string          The string to be filtered.
548  |    
549  |   More:
550  |   +html+ <PRE>
551  |   Authors:
552  |         ottrey
553  |   +html+ </PRE>
554  | 
555  |   ++++++++++++++++++++++++++++++++++++++*/
556  | char *filter(const char *str) {
557  |   int i,j, passed=0;
558  |   char *result;
559  |   GString *result_buff = g_string_sized_new(STR_XL);
560  |   gchar **lines = g_strsplit(str, "\n", 0);
561  |   char * const *filter_names;
562  |   gboolean filtering_an_attribute = FALSE;
563  |   
564  |   filter_names = DF_get_filter_names();
565  | 
566  |   g_string_assign(result_buff, "");
567  |   
568  |   for (i=0; filter_names[i] != NULL; i++) {
569  |     for (j=0; lines[j] != NULL; j++) {
570  |       /* match lines that start with "key-field:" */
571  |       int filter_name_len = strlen(filter_names[i]);
572  |       if ((strncmp(filter_names[i], lines[j], filter_name_len) == 0) &&
573  |           (lines[j][filter_name_len] == ':'))
574  |       {
575  | 
576  |         g_string_sprintfa(result_buff, "%s\n", lines[j]);
577  | 	passed++;
578  | 	
579  | 	/* CONSTCOND */
580  |         filtering_an_attribute = TRUE;
581  |       }
582  |       /* CONSTCOND */
583  |       else if (filtering_an_attribute == TRUE) {
584  |         switch (lines[j][0]) {
585  |           case ' ':
586  |           case '\t':
587  |           case '+':
588  | 
589  |             g_string_sprintfa(result_buff, "%s\n", lines[j]);
590  |             
591  |           break;
592  | 
593  |           default:
594  |             filtering_an_attribute = FALSE;
595  |         }
596  |       }
597  |     }
598  |   }
599  | 
600  |   g_strfreev(lines);
601  | 
602  |   if(passed) {
603  |     g_string_append(result_buff, "\n");
604  |   }
605  |   result = UT_strdup(result_buff->str);
606  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
607  | 
608  |   return result;
609  | } /* filter() */
610  | 
611  | /* write_results() */
612  | /*++++++++++++++++++++++++++++++++++++++
613  |   Write the results to the client socket.
614  | 
615  |   SQ_result_set_t *result The result set returned from the sql query.
616  |   unsigned filtered       if the objects should go through a filter (-K)
617  |   sk_conn_st *condat      Connection data for the client    
618  | 
619  |   More:
620  |   +html+ <PRE>
621  |   Authors:
622  |         ottrey - initial design
623  | 	marek - rewritten for accounting and cancellation.
624  |   +html+ </PRE>
625  | 
626  |   ++++++++++++++++++++++++++++++++++++++*/
627  | static int write_results(SQ_result_set_t *result, 
628  | 			 unsigned filtered,
629  | 			 unsigned fast,
630  | 			 sk_conn_st *condat,
631  | 			 acc_st    *acc_credit,
632  | 			 acl_st    *acl
633  | 			 ) {
634  |   SQ_row_t *row;
635  |   char *str;
636  |   char *filtrate;
637  |   char *fasted;
638  |   int retrieved_objects=0;
639  |   char *objt;
640  |   int type;
641  | 
642  |   /* Get all the results - one at a time */
643  |   if (result != NULL) {
644  |     /* here we are making use of the mysql_store_result capability
645  |        of interrupting the cycle of reading rows. mysql_use_result
646  |        would not allow that, would have to be read until end */
647  |     
648  |     while ( condat->rtc == 0 
649  | 	    && AC_credit_isdenied( acc_credit ) == 0
650  | 	    && (row = SQ_row_next(result)) != NULL ) {
651  |       
652  |       dieif (  (str = SQ_get_column_string(result, row, 0)) == NULL )
653  |       dieif (  (objt = SQ_get_column_string(result, row, 3)) == NULL );
654  | 
655  |       /* get + add object type */
656  |       type = atoi(objt);
657  | 	
658  |       /* ASP_QI_LAST_DET */
659  |       ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
660  | 	        "Retrieved serial id = %d , type = %s", atoi(str), objt);
661  | 	
662  |       UT_free(str);
663  |       UT_free(objt);
664  |       
665  |       /* decrement credit for accounting purposes */
666  |       AC_count_object( acc_credit, acl, 
667  | 		       type == C_PN || type == C_RO ); /* is private? */
668  | 
669  |       /* break the loop if the credit has just been exceeded and 
670  | 	 further results denied */
671  |       if( AC_credit_isdenied( acc_credit ) ) {
672  | 	continue; 
673  |       }
674  |       
675  |       if ((str = SQ_get_column_string(result, row, 2)) == NULL) { die; } 
676  |       else {
677  | 	
678  |         /* The fast output stage */
679  |         if (fast == 1) {
680  |           fasted = QI_fast_output(str);
681  |           UT_free(str);
682  |           str = fasted;
683  |         }
684  | 	
685  |         /* The filtering stage */
686  |         if (filtered == 0) {
687  |           SK_cd_puts(condat, str);
688  | 	  SK_cd_puts(condat, "\n");
689  |         }
690  |         else { 
691  | 	  
692  | 	  /* XXX accounting should be done AFTER filtering, not to count
693  | 	     objects filtered out */
694  | 
695  |           filtrate = filter(str);
696  |           SK_cd_puts(condat, filtrate);
697  |           UT_free(filtrate);
698  |         }
699  |         retrieved_objects++;
700  |       }
701  |       UT_free(str);
702  |     }
703  |   }
704  |   
705  |   return retrieved_objects;
706  | } /* write_results() */
707  | 
708  | /* generic SQL error message - it could be a configurable parameter, but
709  |    it also shouldn't happen! */
710  | static const char *sql_error_text = 
711  |     "% An internal database error has occurred.\n"  
712  |     "% It has been logged, and an adminstrator should look at it shorly.\n"
713  |     "% Please try your query again.\n"
714  |     "\n"
715  |     "\n";
716  | 
717  | /* use a macro so we can get our file and line number */
718  | #define report_sql_error(condat,sql_connection,sql_command) \
719  |   __report_sql_error((condat), (sql_connection), (sql_command), \
720  |                      __FILE__,__LINE__,pthread_self())
721  | 
722  | /* report_sql_error() */
723  | /*++++++++++++++++++++++++++++++++++++++
724  | 
725  |   sk_conn_st *condat                 connection with user
726  |   SQ_connection_t *sql_connection    connection to MySQL
727  |   const char *sql_command            SQL command sent to MySQL
728  | 
729  |   ++++++++++++++++++++++++++++++++++++++*/
730  | 
731  | void
732  | __report_sql_error(sk_conn_st *condat, 
733  |                  SQ_connection_t *sql_connection, 
734  | 		 const char *sql_command,
735  | 		 const char *file,
736  | 		 int line,
737  | 		 pthread_t tid)
738  | {
739  |     /* first, let user know what has happened */
740  |     SK_cd_puts(condat, sql_error_text);
741  | 
742  |     /* next, log this error */
743  |     ER_perror(FAC_QI, QI_SQLERR, "at %s:%d, tid:%lu [%d] %s sql='%s'", 
744  | 		      file, line, (unsigned long)tid,
745  | 		      SQ_errno(sql_connection), 
746  | 		      SQ_error(sql_connection),
747  | 		      sql_command);
748  | }
749  | 
750  | /* write_objects() */
751  | /*++++++++++++++++++++++++++++++++++++++
752  |   
753  |   SQ_connection_t *sql_connection The connection to the database.
754  | 
755  |   char *id_table The id of the temporary table (This is a result of the hacky
756  |                   way we've tried to get MySQL to do sub-selects.)
757  | 
758  |   sk_conn_st *condat  Connection data for the client
759  | 
760  |   More:
761  |   +html+ <PRE>
762  |   Authors:
763  |         ottrey,
764  | 	marek.
765  |   +html+ </PRE>
766  |   ++++++++++++++++++++++++++++++++++++++*/
767  | static int 
768  | write_objects(SQ_connection_t **sql_connection, 
769  | 			  char *id_table, 
770  | 			  unsigned int filtered, 
771  | 			  unsigned int fast, 
772  | 			  sk_conn_st *condat,
773  | 			  acc_st    *acc_credit,
774  | 			  acl_st    *acl
775  | 			  ) 
776  | {
777  |   SQ_result_set_t *result = NULL;
778  |   int retrieved_objects=0;
779  |   char sql_command[STR_XL];  
780  | 
781  |   sprintf(sql_command, Q_OBJECTS, id_table);
782  | 
783  |   if (sql_execute_watched(condat, sql_connection, sql_command, &result) == -1) {
784  |       report_sql_error(condat, *sql_connection, sql_command);
785  |       return SQ_errno(*sql_connection);
786  |   }
787  |   
788  |   /* Problem: if the query was aborted, the result structure does not
789  |      refer to any existing connection anymore. So we check rtc here.
790  |   */
791  |   
792  |   if( condat->rtc == 0) {
793  |     retrieved_objects = write_results(result, filtered, fast, condat, 
794  | 				      acc_credit, acl);
795  |     SQ_free_result(result); 
796  |   }
797  |   return 0;
798  | } /* write_objects() */
799  | 
800  | /* rx_node_has_mnt_irt() */
801  | /*++++++++++++++++++++++++++++++++++++++
802  |   See if the node has an "mnt-irt:" attribute.
803  | 
804  |   condat           connection data for the client
805  |   sql_connection   connection to the database
806  |   rx_data          data node returned from the RX module
807  |   ++++++++++++++++++++++++++++++++++++++*/
808  | gboolean
809  | rx_node_has_mnt_irt (sk_conn_st *condat, 
810  |                      SQ_connection_t *sql_connection, 
811  |                      int object_id)
812  | {
813  |     GString *sql_command;
814  |     SQ_result_set_t *result_ptr;
815  |     int sql_error;
816  |     SQ_row_t *row;
817  |     long num_irt_ref;
818  | 
819  |     /* query database for references from this object to an IRT */
820  |     sql_command = g_string_new("");
821  |     g_string_sprintf(sql_command, 
822  |                      "SELECT COUNT(*) FROM mnt_irt WHERE object_id=%d",
823  |                      object_id);
824  |     if (SQ_execute_query(sql_connection, sql_command->str, &result_ptr) == -1) {
825  |         sql_error = SQ_errno(sql_connection);
826  |         report_sql_error(condat, sql_connection, sql_command->str);
827  |         g_string_free(sql_command, TRUE);
828  |         return FALSE;
829  |     }
830  |     g_string_free(sql_command, TRUE);
831  | 
832  |     /* get number of references */
833  |     row = SQ_row_next(result_ptr);
834  |     if (row == NULL) {
835  |         /* if the object is deleted after we have gotten a reference to it,
836  |            the lookup will fail - in such a case treat it the same as 
837  |            an object without any mnt_irt attributes */
838  |         num_irt_ref = 0;
839  |     } else {
840  |         if (SQ_get_column_int(result_ptr, row, 0, &num_irt_ref) != 0) {
841  |             ER_perror(FAC_QI, QI_SQLERR, "bad column at %s:%d", 
842  |                       __FILE__, __LINE__);
843  |             num_irt_ref = 0;
844  |         }
845  |     }
846  |     SQ_free_result(result_ptr);
847  | 
848  |     /* return appropriate result */
849  |     if (num_irt_ref > 0) {
850  |         return TRUE;
851  |     } else {
852  |         return FALSE;
853  |     }
854  | }
855  | 
856  | 
857  | /* mnt_irt_filter() */
858  | /*++++++++++++++++++++++++++++++++++++++
859  |   Find the most specific entry in the list of network nodes passed
860  |   and remove all entries but that one from the list.
861  | 
862  |   condat           connection data for the client
863  |   sql_connection   connection to the database
864  |   datlist          list of data from the radix tree (nodes of *rx_datcpy_t)
865  | 
866  |   Note:  The "-c" query flag specifies that the most specific inetnum or
867  |          inet6num with an "mnt-irt:" attribute should be returned.  
868  |          
869  |          To do this, we get a list of encompassing networks by sending the 
870  |          same options to the RP/RX module that the '-L' query does.  Then
871  |          we call this function, mnt_irt_filter(), and search the list for 
872  |          the first entry that has an "mnt-irt:" attribute, by looking in 
873  |          the "mnt_irt" table in MySQL for a reference (see the 
874  |          rx_node_has_mnt_irt() for details).
875  | 
876  |          If a reference is found, the list is replaced with a list 
877  |          containing the single entry.  If no reference is found, the list
878  |          is deleted.
879  |   ++++++++++++++++++++++++++++++++++++++*/
880  | void 
881  | mnt_irt_filter (sk_conn_st *condat, 
882  |                 SQ_connection_t *sql_connection, 
883  |                 GList **datlist)
884  | {
885  |     GList *p;
886  |     GList *new_datlist;
887  |     rx_datcpy_t *rx_data;
888  |     int object_id;
889  | 
890  |     /* empty datlist */
891  |     new_datlist = NULL;
892  | 
893  |     /* search for node with "mnt-irt:" attribute */
894  |     p = g_list_last(*datlist);
895  |     while ((new_datlist == NULL) && (p != NULL)) {
896  |         /* grab the data for this node */
897  |         rx_data = (rx_datcpy_t *)p->data;
898  |         object_id = rx_data->leafcpy.data_key;
899  | 
900  |         /* see if this is the node we are looking for */
901  |         if (rx_node_has_mnt_irt(condat, sql_connection, object_id)) {
902  |             /* use this entry */
903  |             new_datlist = g_list_append(NULL, rx_data);
904  |         } 
905  |         else {
906  |             /* free memory */
907  |             UT_free(rx_data->leafcpy.data_ptr);
908  |         }
909  | 
910  |         p = g_list_previous(p);
911  |     }
912  | 
913  |     /* free our old datlist */
914  |     while (p != NULL) {
915  |         rx_data = (rx_datcpy_t *)p->data;
916  |         UT_free(rx_data->leafcpy.data_ptr);
917  |         p = g_list_previous(p);
918  |     }
919  |     wr_clear_list(datlist);
920  | 
921  |     /* use our new datlist */
922  |     *datlist = new_datlist;
923  | }
924  | 
925  | 
926  | /* insert_radix_serials() */
927  | /*++++++++++++++++++++++++++++++++++++++
928  |   Insert the radix serial numbers into a temporary table in the database.
929  | 
930  |   mask_t bitmap The bitmap of attribute to be converted.
931  |    
932  |   SQ_connection_t *sql_connection The connection to the database.
933  | 
934  |   char *id_table The id of the temporary table (This is a result of the hacky
935  |                   way we've tried to get MySQL to do sub-selects.)
936  |   
937  |   GList *datlist The list of data from the radix tree.
938  | 
939  |   More:
940  |   +html+ <PRE>
941  |   Authors:
942  |         ottrey,
943  | 	marek
944  |   +html+ </PRE>
945  | 
946  |   ++++++++++++++++++++++++++++++++++++++*/
947  | static int insert_radix_serials(sk_conn_st *condat,
948  | 				 SQ_connection_t *sql_connection, 
949  | 				 char *id_table, GList *datlist) {
950  |   GList *qitem;
951  |   GString *sql_command;
952  |   int serial;
953  |   int sql_error;
954  | 
955  |   sql_error = 0;
956  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
957  |     rx_datcpy_t *datcpy = qitem->data;
958  | 
959  |     serial = datcpy->leafcpy.data_key;
960  | 
961  |     /* don't bother to insert values into our temporary table */
962  |     /* if we've lost the client connection */
963  |     if ((condat->rtc == 0) && !sql_error) {
964  |         sql_command = g_string_sized_new(STR_S);
965  |         g_string_sprintf(sql_command, 
966  |                          "INSERT INTO %s values (%d)", id_table, serial);
967  |         if (SQ_execute_query(sql_connection, sql_command->str, NULL) == -1) {
968  | 	    sql_error = SQ_errno(sql_connection);
969  | 	    report_sql_error(condat, sql_connection, sql_command->str);
970  | 	}
971  |         g_string_free(sql_command, TRUE);
972  |     }
973  | 
974  |     UT_free(datcpy->leafcpy.data_ptr);
975  |   }
976  | 
977  |   wr_clear_list( &datlist );
978  | 
979  |   /* return error, if any */
980  |   return sql_error;
981  | 
982  | } /* insert_radix_serials() */
983  | 
984  | 
985  | /* write_radix_immediate() */
986  | /*++++++++++++++++++++++++++++++++++++++
987  |   Display the immediate data carried with the objects returned by the
988  |   radix tree.
989  | 
990  |   GList *datlist      The linked list of dataleaf copies
991  | 
992  |   sk_conn_st *condat  Connection data for the client
993  | 
994  |   acc_st  *acc_credit Accounting struct
995  | 
996  | More:
997  |   +html+ <PRE>
998  |   Authors:
999  |         marek
1000 |   +html+ </PRE>
1001 | 
1002 |   Also free the list of answers.
1003 | ++++++++++++++++++++++++++++++++++++++*/
1004 | static void write_radix_immediate(GList *datlist, 
1005 | 				  sk_conn_st *condat,
1006 | 				  acc_st    *acc_credit,
1007 | 				  acl_st    *acl) 
1008 | {
1009 |   GList    *qitem;
1010 |   
1011 |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
1012 |     rx_datcpy_t *datcpy = qitem->data;
1013 | 
1014 |     SK_cd_puts(condat, datcpy->leafcpy.data_ptr );
1015 |     SK_cd_puts(condat, "\n");
1016 |     
1017 |     UT_free(datcpy->leafcpy.data_ptr);
1018 |     
1019 |     AC_count_object(acc_credit, acl, 0 /* public object (private=0) */ );
1020 | 
1021 |     if(condat->rtc != 0) {
1022 |       break;
1023 |     }
1024 |   }
1025 |   
1026 |   wr_clear_list( &datlist );
1027 | } /* write_radix_immediate() */
1028 | 
1029 | 
1030 | /* map_qc2rx() */
1031 | /*++++++++++++++++++++++++++++++++++++++
1032 |   The mapping between a query_command and a radix query.
1033 | 
1034 |   Query_instruction *qi The Query Instruction to be created from the mapping
1035 |                         of the query command.
1036 | 
1037 |   const Query_command *qc The query command to be mapped.
1038 | 
1039 |   More:
1040 |   +html+ <PRE>
1041 |   Authors:
1042 |         ottrey,
1043 | 	marek - simplified the logic, added stealth -S option
1044 |   +html+ </PRE>
1045 | 
1046 |   ++++++++++++++++++++++++++++++++++++++*/
1047 | static int map_qc2rx(Query_instruction *qi, const Query_command *qc) {
1048 |   int result=1;
1049 |   int allflags = (qc->L == 1) + (qc->M == 1) + (qc->l == 1) 
1050 |                + (qc->m == 1) + (qc->x == 1);
1051 | 
1052 |   allflags += qc->c_irt_search;
1053 | 
1054 |   qi->rx_keys = qc->keys;
1055 | 
1056 |   /* only one option can be active at a time */
1057 | 
1058 |   if( allflags > 1 ) {
1059 |       /* user error  (this should have been checked before) */
1060 |       
1061 |       ER_dbg_va(FAC_QI, ASP_QI_SKIP, 
1062 | 		"ERROR in qc2rx mapping: bad combination of flags");
1063 |       result = 0;
1064 |   }
1065 |   if( allflags == 0 ) { 
1066 |       /* no options active - default search */
1067 |       qi->rx_srch_mode = RX_SRCH_EXLESS;
1068 |       qi->rx_par_a = 0;
1069 |   }
1070 |   else if (qc->c_irt_search) {
1071 |       qi->rx_srch_mode = RX_SRCH_LESS;
1072 |       qi->rx_par_a = RX_ALL_DEPTHS;
1073 |   }
1074 |   else if ( qc->L == 1 ) {
1075 |       qi->rx_srch_mode = RX_SRCH_LESS;
1076 |       qi->rx_par_a = RX_ALL_DEPTHS;
1077 |   }
1078 |   else if (qc->M == 1) {
1079 |       qi->rx_srch_mode = RX_SRCH_MORE;
1080 |       qi->rx_par_a = RX_ALL_DEPTHS;
1081 |   }
1082 |   else if (qc->l == 1) {
1083 |       qi->rx_srch_mode = RX_SRCH_LESS;
1084 |       qi->rx_par_a = 1;
1085 |   }
1086 |   else if (qc->m == 1) {
1087 |       qi->rx_srch_mode = RX_SRCH_MORE;
1088 |       qi->rx_par_a = 1;
1089 |   }
1090 |   else if (qc->x == 1) {
1091 |       qi->rx_srch_mode = RX_SRCH_EXACT;
1092 |       qi->rx_par_a = 0;
1093 |   }
1094 |   
1095 |   if( qi->rx_srch_mode == RX_SRCH_MORE && (qc->S == 1) ) {
1096 |       qi->rx_srch_mode = RX_SRCH_DBLS;
1097 |   }
1098 |   
1099 |   return result;
1100 |   
1101 | } /* map_qc2rx() */
1102 | 
1103 | 
1104 | /* run_referral() */
1105 | /*++++++++++++++++++++++++++++++++++++++
1106 |   
1107 |    invoked when no such domain found. Goes through the domain table
1108 |    and searches for shorter domains, then if it finds one with referral 
1109 |    it performs it, otherwise it just returns nothing.
1110 | 
1111 |    to perform referral, it actually composes the referral query 
1112 |    for a given host/port/type and calls the whois query function.
1113 | 
1114 |    Well, it returns nothing anyway (void). It just prints to the socket.
1115 | 
1116 |   char *ref_host           referral server host name
1117 | 
1118 |   unsigned ref_port_int    referral server port number
1119 | 
1120 |   char *qry                query to be run
1121 | 
1122 |   Author:
1123 |     marek
1124 |   ++++++++++++++++++++++++++++++++++++++*/
1125 | void run_referral(Query_environ *qe, 
1126 | 		  char *ref_host,
1127 | 		  unsigned ref_port_int,
1128 | 		  char *qry)
1129 | {
1130 |   
1131 | #if 1 /* switch off for testing */
1132 |   er_ret_t err;
1133 |   char *rep;
1134 | 
1135 |         /* WH_sock(sock, host, port, query, maxlines, timeout)) */
1136 |   err= WH_cd_sock(&(qe->condat), ref_host, ref_port_int, qry, 
1137 | 		  ca_get_referralmaxlines, ca_get_referraltimeout
1138 | 		  );
1139 | 
1140 |   switch( err ) {
1141 |   case SK_OK:
1142 |     /* OK */
1143 |     break;
1144 |   case SK_TIMEOUT:
1145 |     /* Referral timeout */
1146 |     rep = ca_get_qi_ref_tmout ;
1147 |     SK_cd_puts(&(qe->condat), rep);
1148 |     UT_free(rep);
1149 |     break;
1150 | 	    
1151 |   case SK_BADHOST:
1152 |     /* Referral host not found */
1153 |     rep = ca_get_qi_ref_badhost ;
1154 |     SK_cd_puts(&(qe->condat), rep);
1155 |     UT_free(rep);
1156 |     break;
1157 | 
1158 |   case SK_CONNECT:
1159 |     /* Referral host not responding */
1160 |     rep = ca_get_qi_ref_hostnottresp ;
1161 |     SK_cd_puts(&(qe->condat), rep);
1162 |     UT_free(rep);
1163 |     break;
1164 | 
1165 |   case SK_BIND:
1166 |   case SK_SOCKET:
1167 |     /* XXX internal server problem...  */
1168 |     die; 
1169 | 
1170 |   case WH_MAXLINES:
1171 |     /* Referral reply line limit exceeded */
1172 |     rep = ca_get_qi_ref_overmaxlin ;
1173 |     SK_cd_puts(&(qe->condat), rep);
1174 |     UT_free(rep);
1175 |     break;
1176 |     
1177 |   default: /* any other errors ? */
1178 |     die;
1179 |     ;
1180 |   } /*switch WH_sock */
1181 | #endif
1182 |   
1183 | }/*run_referral*/
1184 | 
1185 | 
1186 | 
1187 | 
1188 | 
1189 | /*++++++++++++++++++++++++++++++++++++++
1190 |    
1191 |    prepare and run the referral, displaying the results directly to the
1192 |    client's connection. 
1193 |    
1194 |    XXX still missing protection against a referral loop
1195 |    XXX handling inverse flag not needed, to be removed
1196 | 
1197 |   char *domain               domain being looked up
1198 |  
1199 |   Query_instructions *qis    original query instructions structure
1200 | 
1201 |   Query_environ *qe          original query environment structure
1202 | 
1203 |   Query_instruction *qi      specific query instruction triggered
1204 | 
1205 |   SQ_result_set_t *result    result of the lookup containing referral details
1206 | 
1207 |   SQ_row_t *row              first row (should be only 1) of the result
1208 |                              this should contain columns: type, port, host
1209 | 
1210 |   char *sourcename           name of the database "source"
1211 | 
1212 |   Author: 
1213 |      marek
1214 |   ++++++++++++++++++++++++++++++++++++++*/
1215 | static
1216 | void qi_prep_run_refer(char *domain, 
1217 | 		       Query_instructions *qis,   
1218 | 		       Query_environ *qe, 
1219 | 		       Query_instruction *qi,
1220 | 		       SQ_result_set_t *result, SQ_row_t *row, 
1221 | 		       char *sourcename )
1222 | {
1223 |     int err;
1224 |     long ref_type;
1225 |     long ref_port;
1226 |     char *ref_host; 
1227 |     GString *querystr;
1228 | 
1229 |     /* get values from SQL query */
1230 |     err = SQ_get_column_int(result, row, 0, &ref_type);
1231 |     dieif(err);
1232 |     err = SQ_get_column_int(result, row, 1, &ref_port);
1233 |     dieif(err);
1234 |     ref_host = SQ_get_column_string(result, row, 2);
1235 |     dieif(ref_host == NULL);
1236 |       
1237 |     querystr = g_string_sized_new(STR_L);
1238 |       
1239 |     /* put -r if the reftype is RIPE and -r or -i were used */
1240 |     if( (ref_type == RF_RIPE) 
1241 | 	&& ( Query[qi->queryindex].querytype == Q_INVERSE       
1242 | 	     || qis->recursive > 0  )   ) 
1243 |     {
1244 |         g_string_append(querystr, "-r ");
1245 |     }
1246 |       
1247 |     /* prepend with -Vversion,IP for type CLIENTADDRESS */
1248 |     if( ref_type == RF_CLIENTADDRESS ) {
1249 |         g_string_sprintf(querystr, "-V%s,%s ", VERSION, qe->condat.ip);
1250 |     }
1251 | 
1252 |       
1253 |     /* now set the search term - set to the stripped down version 
1254 |        for inverse query, full-length otherwise */
1255 |     if( Query[qi->queryindex].querytype == Q_INVERSE ) {
1256 |         g_string_append(querystr, domain);
1257 |     }
1258 |     else {
1259 |         g_string_append(querystr, qis->qc->keys);
1260 |     }
1261 | 
1262 |     {
1263 | 	/* the object is not from %s, 
1264 | 	   it comes from %s %d, use -R to see %s */
1265 | 	char *rep = ca_get_qi_fmt_refheader ;
1266 | 	SK_cd_printf(&(qe->condat), rep, 
1267 | 		     sourcename, 
1268 | 		     ref_host, ref_port,
1269 | 		     sourcename );
1270 | 	UT_free(rep);
1271 |     }
1272 | 	    
1273 |     /* do the referral */
1274 |     ER_dbg_va(FAC_QI, ASP_QI_REF_GEN, "referral host is %s", ref_host); 
1275 |       
1276 |     run_referral( qe, ref_host, ref_port, querystr->str);
1277 |       
1278 |     { /* End of referred query result */
1279 | 	char *rep = ca_get_qi_reftrailer ; 
1280 | 	SK_cd_puts(&(qe->condat), rep);
1281 | 	UT_free(rep);
1282 |     }
1283 |     SK_cd_puts(&(qe->condat), "\n");
1284 |     
1285 |     g_string_free(querystr, TRUE);
1286 |     UT_free(ref_host);
1287 | }
1288 | 
1289 | 
1290 | /*++++++++++++++++++++++++++++++++++++++
1291 |   
1292 |   specific case of the object ID collection: the domains.
1293 |   Checks to see if the domain exists, and runs the referral if it is defined
1294 |   and the domain is missing.
1295 | 
1296 |   Arguments:
1297 | 
1298 |   char *sourcename                     name of the database "source"
1299 | 
1300 |   SQ_connection_t *sql_connection      sql connection dedicated to this thread
1301 |   
1302 |   char *id_table                       name of the temporary table to be used
1303 |   
1304 |   char *sub_table                      name of the temporary subtable
1305 |   
1306 |   Query_instructions *qis    original query instructions structure
1307 | 
1308 |   Query_environ *qe          original query environment structure
1309 | 
1310 |   Query_instruction *qi      specific query instruction triggered
1311 | 
1312 |   acc_st *acc_credit         credit for this client 
1313 |  
1314 |   Author:
1315 |      marek.
1316 |   ++++++++++++++++++++++++++++++++++++++*/
1317 | 
1318 | static int
1319 | qi_collect_domain(char *sourcename,
1320 | 		  SQ_connection_t *sql_connection, 
1321 | 		  char *id_table,
1322 | 		  char *sub_table,
1323 | 		  Query_instructions *qis,   
1324 | 		  Query_environ *qe, 
1325 | 		  Query_instruction *qi,
1326 | 		  acc_st *acc_credit,
1327 | 		  int *sql_error)
1328 | {
1329 |   char *domain = qis->qc->keys;
1330 |   char *dot = domain;
1331 |   int subcount = 0;
1332 |   int foundcount = 0;
1333 |   GString *sql_command;
1334 | 
1335 |   /* we MUST NOT have a diconnection from the server here */
1336 |   dieif(qe->condat.rtc != 0);
1337 | 
1338 |   /* create a string for our queries */
1339 |   sql_command = g_string_sized_new(STR_XL);
1340 | 
1341 |   /* while nothing found and still some pieces of the name left */
1342 |   while( dot != NULL && subcount == 0 ) { 
1343 |     int refcount = 0;
1344 |     SQ_row_t *row;
1345 |     SQ_result_set_t *result_referrals = NULL;
1346 | 
1347 |     ER_dbg_va(FAC_QI, ASP_QI_REF_DET, "run_referral: checking %s", dot);
1348 | 
1349 |     /* domain lookup -- query into the _S table */
1350 |     g_string_sprintf(sql_command, 
1351 |                      "INSERT INTO %s SELECT object_id "
1352 |                          "FROM domain "
1353 |                          "WHERE domain = '%s'",
1354 |                      sub_table, dot);
1355 |     if (SQ_execute_query(sql_connection, sql_command->str, NULL) != 0) {
1356 |         *sql_error = SQ_errno(sql_connection);
1357 | 	report_sql_error(&qe->condat, sql_connection, sql_command->str);
1358 |         foundcount = 0;
1359 |         goto exit_qi_collect_domain;
1360 |     }
1361 |     subcount = SQ_get_affected_rows(sql_connection); 
1362 | 
1363 |     if( subcount != 0 ) { /* domain exists in the database */
1364 | 
1365 | 	/* referral check. Always done except for -R and INVERSE queries */  
1366 | 	if( qis->qc->R == 0 && 
1367 | 	    Query[qi->queryindex].querytype != Q_INVERSE ) {
1368 |             g_string_sprintf(sql_command, 
1369 |                              "SELECT type, port, host "
1370 |                                  "FROM %s ID, refer "
1371 |                                  "WHERE ID.id = refer.object_id", 
1372 |                              sub_table);
1373 | 
1374 | 	    if( SQ_execute_query(sql_connection, sql_command->str, 
1375 | 				    &result_referrals) == -1) 
1376 |             {
1377 | 	        *sql_error = SQ_errno(sql_connection);
1378 | 	        report_sql_error(&qe->condat, sql_connection, sql_command->str);
1379 |                 foundcount = 0;
1380 |                 goto exit_qi_collect_domain;
1381 |             }
1382 | 	    refcount = SQ_num_rows(result_referrals);
1383 | 	}
1384 | 
1385 | 	/* if referral allowed and defined, even if domain was found but 
1386 | 	   contained referral - refer the query */
1387 | 	if( refcount != 0 ) { 
1388 | 	    /* get the referral parameters from the first row
1389 | 	       and perform it 
1390 | 	    */
1391 | 
1392 | 	    row = SQ_row_next(result_referrals);
1393 | 	    /* now: query for the original domain */
1394 | 	    qi_prep_run_refer(domain,
1395 | 			      qis, qe, qi, result_referrals, row, sourcename);
1396 | 	    
1397 | 	    acc_credit->referrals -= 1;
1398 | 	}
1399 | 	else {
1400 | 	    /* domain found 
1401 | 	       and (referral undefined  or  disabled by -R or inverse)
1402 | 	       two possible outcomes depending on whether 'dot' is:
1403 | 	       * the original search term -> pass what's in _S and quit 
1404 | 	       * a 'stripped' domain name -> return no result and quit
1405 | 	    */
1406 | 	    if( dot == domain ) {
1407 | 		g_string_sprintf(sql_command, 
1408 |                                  "INSERT INTO %s SELECT id FROM %s", 
1409 | 			         id_table, sub_table);
1410 | 		if (SQ_execute_query(sql_connection, 
1411 |                                      sql_command->str, NULL) == -1) 
1412 |                 {
1413 | 		    *sql_error = SQ_errno(sql_connection);
1414 | 	            report_sql_error(&qe->condat, sql_connection, 
1415 |                                      sql_command->str);
1416 |                     foundcount = 0;
1417 |                     goto exit_qi_collect_domain;
1418 | 		}
1419 | 		foundcount = SQ_get_affected_rows(sql_connection); 
1420 | 	    }
1421 | 	} 
1422 | 	dot = NULL; /* don't make another round */
1423 |     } /* a domain was found */
1424 | 
1425 |     if( result_referrals != NULL ) {
1426 | 	SQ_free_result(result_referrals);
1427 | 	result_referrals = NULL;
1428 |     }
1429 |     
1430 |     if( dot != NULL && (dot=index(dot,'.')) != NULL) {
1431 |       dot++;
1432 |     }
1433 |   }
1434 | 
1435 | /* unified success/failure exit point to perform cleanup */
1436 | exit_qi_collect_domain:
1437 | 
1438 |   /* free the string we used for queries */
1439 |   g_string_free(sql_command, TRUE);
1440 |     
1441 |   return foundcount;
1442 | } /* qi_collect_domain */
1443 | 
1444 | 
1445 | /* add_ref_name */
1446 | /*++++++++++++++++++++++++++++++++++++++
1447 | 
1448 |   Creates a SQL query for a reference-by-name lookup. Uses standard name
1449 |   lookup query generator (create_name_query), so the order of the names
1450 |   doesn't matter.
1451 | 
1452 |   SQ_connection_t *sql_connection   sql connection dedicated to this thread
1453 | 
1454 |   char *rectable       table in which to look up
1455 |   
1456 |   char *allnames       all name words to be looked up, space delimited.
1457 | 
1458 | ++++++++++++++++++++++++++++++++++++++*/
1459 | static
1460 | int 
1461 | add_ref_name(SQ_connection_t *sql_connection, 
1462 | 	     char *rectable,
1463 | 	     char *allnames,
1464 | 	     sk_conn_st *condat
1465 | 	     )
1466 | {
1467 |   int error;
1468 | 
1469 |   error = 0;
1470 | 
1471 |   /* construct the query, allow zero-length list */
1472 |   if( strlen(allnames) > 0 ) {
1473 |     GString *final_query;
1474 |     GString *select_query;
1475 | 
1476 |     final_query = g_string_sized_new(STR_XL);
1477 |     select_query = g_string_sized_new(STR_XL);
1478 | 
1479 |     create_name_query(select_query, "SELECT N00.object_id FROM %s WHERE %s "
1480 | 		      "AND N00.object_type != 100 AND N00.thread_id = 0", 
1481 | 		      allnames);
1482 |     
1483 |     g_string_sprintf(final_query, "INSERT INTO %s %s",
1484 | 	             rectable, select_query->str);
1485 | 
1486 |     allnames[0]=0;
1487 |     
1488 |     if (SQ_execute_query(sql_connection, final_query->str, NULL) == -1 ) {
1489 |         report_sql_error(condat, sql_connection, final_query->str);
1490 |         error = SQ_errno(sql_connection);
1491 |     }
1492 | 
1493 |     g_string_free(select_query, TRUE);
1494 |     g_string_free(final_query, TRUE);
1495 |   }
1496 | 
1497 |   return error;
1498 | }/* add_ref_name */
1499 | 
1500 | 
1501 | 
1502 | /* qi_collect_ids */
1503 | /*++++++++++++++++++++++++++++++++++++++ 
1504 |   
1505 |   collects object ID's from all queries defined in the Query_instructions 
1506 |   array. The results from RADIX trees are maintained in a linked list, the 
1507 |   results from SQL lookups are kept in a temporary table. For domains,
1508 |   a specific function is invoked that may run the referral. 
1509 |   Any sql lookup will be limited to the maximum number of objects allowed
1510 |   for the client (acl and credit are checked for this).
1511 |   The routine uses its own temporary _S table, destroyed at exit.
1512 |   
1513 |   ca_dbSource_t *dbhdl              source-specific identifier (defined in CA)
1514 |   
1515 |   char *sourcename                  name of the database "source"
1516 |   
1517 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
1518 |                                     (replaced on cancel)
1519 |  
1520 |   Query_instructions *qis           original query instructions structure
1521 | 
1522 |   Query_environ *qe                 original query environment structure
1523 |  
1524 |   char *id_table                    the table to store the ID's found
1525 |   
1526 |   GList **datlist                   the list  to store the Radix leaves found
1527 |   
1528 |   acc_st *acc_credit                credit for this client 
1529 |   
1530 |   acl_st *acl                       acl for this client 
1531 |   
1532 |   ++++++++++++++++++++++++++++++++++++++*/
1533 | static
1534 | int
1535 | qi_collect_ids(ca_dbSource_t *dbhdl,
1536 | 	       char *sourcename,
1537 | 	       SQ_connection_t **sql_connection,
1538 | 	       Query_instructions *qis,
1539 | 	       Query_environ *qe,	
1540 | 	       char *id_table,
1541 | 	       GList **datlist,
1542 | 	       acc_st *acc_credit,
1543 | 	       acl_st *acl
1544 | 	       )
1545 | {
1546 |   Query_instruction **ins=NULL;
1547 |   int i;
1548 |   int  count, errors=0;
1549 |   GString *sql_command;
1550 |   er_ret_t err;
1551 |   char sub_table[64];
1552 |   int limit ;
1553 |              /* a limit on the max number of objects to be returned
1554 | 		from a single search. For some queries the object types
1555 | 		are not known at this stage, so the limit must be
1556 | 		the higher number of the two: private / public,
1557 | 		or unlimited if any of them is 'unlimited'.
1558 | 	     */
1559 |   char limit_str[32];
1560 |   int sql_error;
1561 | 
1562 |   /* use a nice resizing GString for our command */
1563 |   sql_command = g_string_sized_new(STR_XL);
1564 | 
1565 |   if( (limit = AC_get_higher_limit(acc_credit,acl)) == -1) {
1566 |     strcpy(limit_str,"");
1567 |   } else {
1568 |     sprintf(limit_str," LIMIT %d", limit+1); /* make sure we collect more
1569 | 						so that the client hits
1570 | 						the limit */
1571 |   }
1572 | 
1573 |   sprintf(sub_table, "%s_S ", id_table);
1574 |   
1575 |   /* see if there was a leftover table from a crashed session 
1576 |    * (assume the ID cannot be currently in use)
1577 |    *
1578 |    * update: this can't ever happen with TEMPORARY tables, but we're going to
1579 |    *         check for it anyway  - shane
1580 |    */
1581 |   g_string_sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
1582 |   if( SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
1583 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
1584 |       return SQ_errno(*sql_connection);
1585 |   }
1586 | 
1587 |   /* create a table for special subqueries (domain only for now) */
1588 |   g_string_sprintf(sql_command, 
1589 |                    "CREATE " TEMPORARY " TABLE %s ( id int ) TYPE=HEAP", 
1590 |                    sub_table);
1591 |   if( SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
1592 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
1593 |       return SQ_errno(*sql_connection);
1594 |   }
1595 |   
1596 |   /* Iterate through query instructions */
1597 |   ins = qis->instruction;
1598 |   sql_error = 0;
1599 |   for (i=0; ins[i] != NULL && errors == 0; i++) {
1600 |     Query_instruction *qi = ins[i];
1601 |     
1602 |     /* check if the client is still there */
1603 |     if( qe->condat.rtc ) {
1604 |       break;
1605 |     }
1606 | 
1607 |     switch ( qi->search_type ) {
1608 |     case R_SQL:
1609 |       count = 0;
1610 |       if ( qi->query_str != NULL ) {
1611 | 
1612 | 	/* handle special cases first */
1613 | 	if( Query[qi->queryindex].class == C_DN 
1614 | 	    && Query[qi->queryindex].querytype == Q_LOOKUP ) {
1615 | 	  
1616 | 	  /* if any more cases than just domain appear, we will be
1617 | 	     cleaning the _S table from the previous query here 
1618 | 	     
1619 | 	     "DELETE FROM %s_S"
1620 | 	  */
1621 | 	  
1622 | 	  count = qi_collect_domain(sourcename, *sql_connection, id_table, 
1623 | 				    sub_table, qis, qe, qi, acc_credit, 
1624 | 				    &sql_error);
1625 | 	} /* if class DN and Straight lookup */
1626 | 	else {
1627 | 	  /* any other class of query */
1628 | 
1629 | 	  g_string_sprintf(sql_command, "INSERT INTO %s %s %s", 
1630 | 		  id_table, qi->query_str, limit_str);
1631 | 
1632 | 	  if(sql_execute_watched( &(qe->condat), sql_connection, 
1633 | 				  sql_command->str, NULL) == -1 ) {
1634 | 	    errors++;
1635 | 	    sql_error = SQ_errno(*sql_connection);
1636 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command->str);
1637 | 	  }
1638 | 	  count = SQ_get_affected_rows(*sql_connection);
1639 | 	} /* not DN */
1640 |       } /* if SQL query not NULL */
1641 |       
1642 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
1643 | 		"%d entries added in %s query for %s",
1644 | 		count, Query[qi->queryindex].descr, qis->qc->keys
1645 | 		);
1646 |       break;
1647 |       
1648 |     case R_RADIX:
1649 | 
1650 |      
1651 |       err = RP_asc_search(qi->rx_srch_mode, qi->rx_par_a, 0, 
1652 | 			  qi->rx_keys, dbhdl, 
1653 | 			  Query[qi->queryindex].attribute, 
1654 | 			  datlist, limit);
1655 |      
1656 | 
1657 |       if( NOERR(err)) {
1658 | 	if( ER_is_traced(FAC_QI, ASP_QI_COLL_DET ) ) {
1659 | 	  /* prevent unnecessary g_list_length call */
1660 | 	  
1661 | 	  ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
1662 | 		    "%d entries after %s (mode %d par %d reg %d) query for %s",
1663 | 		    g_list_length(*datlist),
1664 | 		    Query[qi->queryindex].descr,
1665 | 		    qi->rx_srch_mode, qi->rx_par_a, 
1666 | 		    dbhdl,
1667 | 		    qi->rx_keys);
1668 | 	}
1669 |       }
1670 |       else {
1671 | 	ER_inf_va(FAC_QI, ASP_QI_COLL_DET,
1672 | 		  "RP_asc_search returned %x ", err);
1673 |       }
1674 |       break;
1675 |       
1676 |     default: die;
1677 |     } /* switch */
1678 |     
1679 |   } /* for <every instruction> */
1680 | 
1681 |   /* Now drop the _S table */
1682 |   g_string_sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
1683 |   if(SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
1684 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
1685 |       sql_error = SQ_errno(*sql_connection);
1686 |   }
1687 | 
1688 |   /* free our command buffer */
1689 |   g_string_free(sql_command, TRUE);
1690 | 
1691 |   /* return success */
1692 |   return sql_error;
1693 | }
1694 | 
1695 | /* qi_fetch_references */ 
1696 | /*++++++++++++++++++++++++++++++++++++++
1697 |   
1698 |   given the list of object ID's collects the references from these objects 
1699 |   to person and role objects. Uses its own temporary SQL table (_R)
1700 |   and upon completion transfers the results from it to the main
1701 |   temporary table. Runs queries in watched mode, to be able to cancel them.
1702 |   
1703 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
1704 |                                     (replaced on cancel)
1705 |   
1706 |   Query_environ *qe                 original query environment structure
1707 |   
1708 |   char *id_table                    the table with the ID's found
1709 |   
1710 |   acc_st *acc_credit                credit for this client 
1711 |   
1712 |   acl_st *acl                       acl for this client 
1713 | 
1714 | ++++++++++++++++++++++++++++++++++++++*/
1715 | static
1716 | int
1717 | qi_fetch_references(SQ_connection_t **sql_connection,
1718 | 		    Query_environ *qe,
1719 | 		    char *id_table,
1720 | 		    acc_st *acc_credit,
1721 | 		    acl_st *acl
1722 | 		    )
1723 | {
1724 |     char rec_table[64];
1725 |     SQ_result_set_t *result = NULL;
1726 |     SQ_row_t *row;
1727 |     int thisid = 0;
1728 |     int oldid = 0;
1729 |     char allnames[STR_L];
1730 |     char sql_command[STR_XL];
1731 |     int sql_error;
1732 | 
1733 |     /* use sql_error to flag errors */
1734 |     sql_error = 0;
1735 |  
1736 |     sprintf(rec_table, "%s_R", id_table);
1737 | 
1738 |     /* see if there was a leftover table from a crashed session 
1739 |      * (assume the ID cannot be currently in use)
1740 |      */
1741 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s ", rec_table);
1742 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
1743 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
1744 |         return SQ_errno(*sql_connection);
1745 |     }
1746 | 
1747 |     /* a temporary table for recursive data must be created, because
1748 |        a query using the same table as a source and target is illegal
1749 |        ( like: INSERT into ID_123 SELECT * FROM ID_123,admin_c WHERE ... )
1750 |     */
1751 |     sprintf(sql_command, 
1752 |      "CREATE " TEMPORARY " TABLE %s ( id int PRIMARY KEY NOT NULL ) TYPE=HEAP", 
1753 |      rec_table);
1754 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
1755 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
1756 |         return SQ_errno(*sql_connection);
1757 |     }
1758 | 
1759 |     /* from this point on, we can't just return on error, because 
1760 |        we need to insure the table we just created gets dropped */
1761 |     
1762 |     /* find the contacts */      
1763 |     sprintf(sql_command, Q_REC, rec_table, id_table, "author");
1764 |     if (sql_execute_watched( &(qe->condat), sql_connection, sql_command, NULL) 
1765 |         == -1)
1766 |     {
1767 |         sql_error = SQ_errno(*sql_connection);
1768 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
1769 |     }
1770 |     
1771 |     if (!sql_error) {
1772 |         sprintf(sql_command, Q_REC, rec_table, id_table, "admin_c");
1773 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command, 
1774 | 	    NULL) == -1) 
1775 |         {
1776 | 	    sql_error = SQ_errno(*sql_connection);
1777 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
1778 | 	}
1779 |     }
1780 |     
1781 |     if (!sql_error) {
1782 |         sprintf(sql_command, Q_REC, rec_table, id_table, "tech_c");
1783 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command, 
1784 | 	    NULL) == -1) 
1785 |         {
1786 | 	    sql_error = SQ_errno(*sql_connection);
1787 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
1788 | 	}
1789 |     }
1790 | 
1791 |     if (!sql_error) {
1792 |         sprintf(sql_command, Q_REC, rec_table, id_table, "zone_c");
1793 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command, 
1794 | 	    NULL) == -1) 
1795 |         {
1796 | 	    sql_error = SQ_errno(*sql_connection);
1797 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
1798 | 	}
1799 |     }
1800 |     
1801 |     /* replace references to dummies by references by name */
1802 |     if (!sql_error) {
1803 |         sprintf(sql_command, 
1804 | 	    " SELECT id, name    FROM %s IDS STRAIGHT_JOIN names "
1805 | 	    " WHERE IDS.id = names.object_id "
1806 | 	    "      AND names.object_type = 100"
1807 | 	    " ORDER BY id",
1808 | 	    rec_table);
1809 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command, 
1810 | 	    &result) == -1) 
1811 |         {
1812 | 	    sql_error = SQ_errno(*sql_connection);
1813 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
1814 | 	}
1815 |     }
1816 |     
1817 |     /* well, it might not be -1, but if the watchdog worked then the
1818 |        result is NULL */
1819 |     if (!sql_error && (result != NULL)) {
1820 |       
1821 |       allnames[0]=0;
1822 |       /* now go through the results and collect names */
1823 |       while ( !sql_error &&
1824 |               (qe->condat.rtc == 0) && 
1825 | 	      (row = SQ_row_next(result)) != NULL ) 
1826 |       {
1827 | 	char *id   = SQ_get_column_string(result, row, 0);
1828 | 	char *name = SQ_get_column_string(result, row, 1);
1829 | 	
1830 | 	thisid = atoi(id);
1831 | 	
1832 | 	/* when the id changes, the name is complete */
1833 | 	if( thisid != oldid && oldid != 0 ) {
1834 | 	    sql_error = add_ref_name( *sql_connection, rec_table, allnames,
1835 |  	                              &qe->condat);
1836 | 	}
1837 | 	
1838 | 	strcat(allnames, name);
1839 | 	strcat(allnames, " ");
1840 | 	oldid = thisid;
1841 | 	UT_free(id);
1842 | 	UT_free(name);
1843 |       }
1844 |       /* also do the last name */
1845 |       if (!sql_error) {
1846 |           sql_error = add_ref_name( *sql_connection, rec_table, allnames,
1847 | 	                            &qe->condat);
1848 |       }
1849 |       
1850 |       SQ_free_result(result); /* we can do it only because the watchdog */
1851 |       /* has not started between the check for non-NULL result and here */
1852 |     }
1853 |     
1854 |     /* if we've lost connection, don't bother with this extra work */
1855 |     if (!sql_error && (qe->condat.rtc == 0)) {
1856 |         /* now copy things back to the main temporary table   */
1857 |         sprintf(sql_command, "INSERT INTO %s SELECT * FROM %s", 
1858 | 	       id_table, rec_table);
1859 |         if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
1860 | 	    sql_error = SQ_errno(*sql_connection);
1861 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
1862 | 	}
1863 |     }
1864 | 
1865 |     /* Now drop the IDS recursive table (try to do this even if
1866 |        we had an SQL error, to avoid leaving extra tables lying around) */
1867 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s", rec_table);
1868 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
1869 |         sql_error = SQ_errno(*sql_connection);
1870 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
1871 |     }
1872 | 
1873 |     /* return error, if any */
1874 |     return sql_error;
1875 | }
1876 | /* qi_fetch_references */ 
1877 | 
1878 | 
1879 | /* QI_execute() */
1880 | /*++++++++++++++++++++++++++++++++++++++
1881 |   Execute the query instructions.  This is called for each source.
1882 |   This is linked into MySQL by the fact that MySQL doesn't have sub selects
1883 |  (yet).  The queries are done in two stages.  Make some temporary tables and
1884 |   insert into them.  Then use them in the next select.
1885 | 
1886 |    
1887 |   ca_dbSource_t *dbhdl            source-specific identifier (defined in CA)
1888 | 
1889 |   Query_instructions *qis         query instructions.
1890 | 				 
1891 |   Query_environ *qe               query environment.
1892 | 				 
1893 |   acc_st *acc_credit              object display credit 
1894 | 				 
1895 |   acl_st *acl                     copy of the original acl for this client 
1896 | 
1897 |   More:
1898 |   +html+ <PRE>
1899 |   Authors:
1900 |         ottrey - original version,
1901 | 	marek - the rest.
1902 |   +html+ </PRE>
1903 | ++++++++++++++++++++++++++++++++++++++*/
1904 | er_ret_t QI_execute(ca_dbSource_t *dbhdl,
1905 | 		    Query_instructions *qis, 
1906 | 		    Query_environ *qe,	
1907 | 		    acc_st *acc_credit,
1908 | 		    acl_st *acl
1909 | 		    ) 
1910 | {
1911 |   /* those things must be freed after use! */
1912 |   char *dbhost = ca_get_srcdbmachine(dbhdl);
1913 |   char *dbname = ca_get_srcdbname(dbhdl);
1914 |   char *dbuser = ca_get_srcdbuser(dbhdl);
1915 |   char *dbpass = ca_get_srcdbpassword(dbhdl);
1916 |   char *srcnam;
1917 |   unsigned dbport = ca_get_srcdbport(dbhdl);
1918 |   char id_table[64];
1919 |   char sql_command[STR_XL];
1920 |   GList *datlist=NULL;
1921 |   SQ_connection_t *sql_connection=NULL;
1922 |   int sql_error;
1923 | 
1924 |   sql_connection = SQ_get_connection( dbhost, dbport,
1925 | 				      dbname, dbuser, dbpass );
1926 |   /* free parameters when done */
1927 |   UT_free(dbhost);
1928 |   UT_free(dbuser);
1929 |   UT_free(dbpass);
1930 | 
1931 |   /* return error if occurred */
1932 |   if (sql_connection == NULL) {
1933 |     ER_perror(FAC_QI, QI_CANTDB," database='%s' [%d] %s", 
1934 | 	      dbname, SQ_errno(sql_connection), SQ_error(sql_connection));
1935 |     UT_free(dbname);
1936 |     return QI_CANTDB;
1937 |   }
1938 |   UT_free(dbname);
1939 | 
1940 |   /* from here on out, we use the sql_error flag to verify our 
1941 |      connection to the SQL database is still good */
1942 |   sql_error = 0;
1943 | 
1944 |   sprintf(id_table, "ID_%lu_%u",   mysql_thread_id(sql_connection),
1945 | 	  pthread_self());
1946 | 
1947 |   /* see if there was a leftover table from a crashed session 
1948 |    * (assume the ID cannot be currently in use)
1949 |    */
1950 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
1951 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
1952 |       sql_error = SQ_errno(sql_connection);
1953 |       report_sql_error(&qe->condat, sql_connection, sql_command);
1954 |   }
1955 |   
1956 |   /* create a table for id's of all objects found NOT NULL , UNIQUE(id) */
1957 |   if (!sql_error) {
1958 |       sprintf(sql_command, 
1959 |               "CREATE " TEMPORARY 
1960 | 	      " TABLE %s ( id INT PRIMARY KEY NOT NULL ) TYPE=HEAP", id_table);
1961 |       if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
1962 |           sql_error = SQ_errno(sql_connection);
1963 |           report_sql_error(&qe->condat, sql_connection, sql_command);
1964 |       }
1965 |   }
1966 | 
1967 |   if (!sql_error) { 
1968 |       srcnam = ca_get_srcname(dbhdl);
1969 |       sql_error = qi_collect_ids(dbhdl, srcnam, &sql_connection, qis, qe, 
1970 |                                  id_table, &datlist, acc_credit, acl);
1971 |       UT_free(srcnam);
1972 |   }
1973 | 
1974 |   /* post-processing */
1975 |   if (!sql_error && (qis->filtered == 0)) {
1976 |       /* start the watchdog just to set the rtc flag */
1977 |       SK_watch_setclear(&(qe->condat));
1978 |       SK_watchstart(&(qe->condat));
1979 | 
1980 |       /* add radix results (only if -K is not active and still connected) */
1981 |       if (qe->condat.rtc == 0) {
1982 | 
1983 |           if (qis->qc->c_irt_search) {
1984 |               mnt_irt_filter(&(qe->condat), sql_connection, &datlist);
1985 |           }
1986 | 
1987 |           sql_error = insert_radix_serials(&(qe->condat), 
1988 | 	                                   sql_connection, 
1989 | 	                                   id_table, 
1990 | 					   datlist);
1991 |       }
1992 | 
1993 |       SK_watchstop(&(qe->condat));
1994 |   }
1995 | 
1996 |   /* fetch recursive objects (ac,tc,zc,ah) */
1997 |   if (!sql_error && qis->recursive && (qe->condat.rtc == 0)) {
1998 |       sql_error = qi_fetch_references(&sql_connection, 
1999 |                                       qe, 
2000 | 				      id_table, 
2001 | 				      acc_credit, 
2002 | 				      acl);
2003 |   } /* if recursive */
2004 |   
2005 |   /* display */
2006 |   /* -K filtering: 
2007 |    * right now only filtering, no expanding sets like write_set_objects() 
2008 |    */
2009 |   
2010 |   /* display the immediate data from the radix tree */
2011 |   if (!sql_error && (qis->filtered == 1)) {
2012 |     write_radix_immediate(datlist, &(qe->condat), acc_credit, acl );
2013 |   }
2014 | 
2015 |   /* display objects from the IDs table */
2016 |   if (!sql_error) {
2017 |       sql_error = write_objects( &sql_connection, id_table, qis->filtered,
2018 | 		                qis->fast, &(qe->condat), acc_credit, acl);
2019 |   }
2020 | 
2021 |   /* drop the table */
2022 |   /* try to do this, even if there is an SQL error */
2023 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
2024 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
2025 |       sql_error = SQ_errno(sql_connection);
2026 |       report_sql_error(&qe->condat, sql_connection, sql_command);
2027 |   }
2028 | 
2029 |   /* Now disconnect (temporary tables get dropped automatically) */
2030 |   SQ_close_connection(sql_connection);  
2031 | 
2032 |   /* return appropriate value */
2033 |   if (sql_error) {
2034 |      return QI_SQLERR;
2035 |   } else {
2036 |      return QI_OK;
2037 |   }
2038 | } /* QI_execute() */
2039 | 
2040 | 
2041 | /* instruction_free() */
2042 | /*++++++++++++++++++++++++++++++++++++++
2043 |   Free the instruction.
2044 | 
2045 |   Query_instruction *qi query_instruction to be freed.
2046 |    
2047 |   More:
2048 |   +html+ <PRE>
2049 |   Authors:
2050 |         ottrey
2051 |   +html+ </PRE>
2052 |   ++++++++++++++++++++++++++++++++++++++*/
2053 | static void instruction_free(Query_instruction *qi) {
2054 |   if (qi != NULL) {
2055 |     if (qi->query_str != NULL) {
2056 |       UT_free(qi->query_str);
2057 |     }
2058 |     UT_free(qi);
2059 |   }
2060 | } /* instruction_free() */
2061 | 
2062 | /* QI_free() */
2063 | /*++++++++++++++++++++++++++++++++++++++
2064 |   Free the query_instructions.
2065 | 
2066 |   Query_instructions *qis Query_instructions to be freed.
2067 |    
2068 |   More:
2069 |   +html+ <PRE>
2070 |   Authors:
2071 |         ottrey, marek
2072 |   +html+ </PRE>
2073 |   ++++++++++++++++++++++++++++++++++++++*/
2074 | void QI_free(Query_instructions *qis) {
2075 |   int i;
2076 | 
2077 |   for (i=0; qis->instruction[i] != NULL; i++) {
2078 |     instruction_free(qis->instruction[i]);
2079 |   } 
2080 | 
2081 |   if (qis != NULL) {
2082 |     UT_free(qis);
2083 |   }
2084 | 
2085 | } /* QI_free() */
2086 | 
2087 | /*++++++++++++++++++++++++++++++++++++++
2088 |   Determine if this query should be conducted or not.
2089 | 
2090 |   If it was an inverse query - if the attribute appears in the query command's bitmap.
2091 |   If it was a lookup query - if the attribute appears in the object type bitmap or
2092 |                              disregard if there is no object_type bitmap (Ie object filter).
2093 | 
2094 |   mask_t bitmap The bitmap of attribute to be converted.
2095 |    
2096 |   const Query_command *qc  The query_command that the instructions are created
2097 |                            from.
2098 |   
2099 |   const Query_t q          The query being considered.
2100 |   +html+ <PRE>
2101 |   Authors:
2102 |         ottrey,
2103 | 	marek.
2104 |   +html+ </PRE>
2105 |   ++++++++++++++++++++++++++++++++++++++*/
2106 | static int valid_query(const Query_command *qc, const Query_t q) {
2107 |   int result=0;
2108 | 
2109 |   if (MA_isset(qc->keytypes_bitmap, q.keytype) == 1) {
2110 |     if (q.query != NULL) {
2111 |       switch (q.querytype) {
2112 |         case Q_INVERSE:
2113 |           if (MA_isset(qc->inv_attrs_bitmap, q.attribute) ) {
2114 |             result = 1;
2115 |           }
2116 |         break;
2117 | 
2118 |         case Q_LOOKUP:
2119 | 	  if (q.class == C_ANY 
2120 | 	      || MA_isset(qc->object_type_bitmap, (unsigned) q.class)) {
2121 |             result=1;
2122 |           }
2123 |         break;
2124 | 
2125 |         default:
2126 |           /* XXX */fprintf(stderr, "qi:valid_query() -> Bad querytype\n");
2127 |       }
2128 |     }
2129 |   }
2130 | 
2131 |   return result;
2132 | } /* valid_query() */
2133 | 
2134 | /* QI_new() */
2135 | /*++++++++++++++++++++++++++++++++++++++
2136 |   Create a new set of query_instructions. Returns an allocated structure which
2137 |   must be freed after use with QI_free().
2138 | 
2139 |   const Query_command *qc The query_command that the instructions are created
2140 |                           from.
2141 | 
2142 |   const Query_environ *qe The environmental variables that they query is being
2143 |                           performed under.
2144 |   
2145 |   +html+ <PRE>
2146 |   Authors:
2147 |         ottrey,
2148 | 	marek.
2149 |   +html+ </PRE>
2150 |   ++++++++++++++++++++++++++++++++++++++*/
2151 | Query_instructions *QI_new(const Query_command *qc, const Query_environ *qe) {
2152 |   Query_instructions *qis=NULL;
2153 |   Query_instruction *qi=NULL;
2154 |   int i_no=0;
2155 |   int i;
2156 |   char *query_str;
2157 | 
2158 |   qis = (Query_instructions *)UT_calloc(1, sizeof(Query_instructions));
2159 | 
2160 |   qis->filtered = qc->filtered;
2161 |   qis->fast = qc->fast;
2162 |   qis->recursive = qc->recursive;
2163 |   qis->qc = (qc);
2164 | 
2165 |   
2166 |   for (i=0; Query[i].query != NULL; i++) {
2167 | 
2168 |     /* If a valid query. */
2169 |     if ( valid_query(qc, Query[i]) == 1) {
2170 | 
2171 |       qi = (Query_instruction *)UT_calloc(1, sizeof(Query_instruction));
2172 | 
2173 |       qi->queryindex = i;
2174 | 
2175 |       /* SQL Query */
2176 |       if ( Query[i].refer == R_SQL) {
2177 |         qi->search_type = R_SQL;
2178 |         query_str = create_query(Query[i], qc);
2179 | 
2180 |         if (query_str!= NULL) {
2181 |           qi->query_str = query_str;
2182 |           qis->instruction[i_no++] = qi;
2183 |         }
2184 |       }
2185 |       /* Radix Query */
2186 |       else if (Query[i].refer == R_RADIX) {
2187 | 
2188 |          /* no inverse queries should use the RADIX tree */
2189 |         if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
2190 |             continue;
2191 |         }
2192 | 
2193 |         qi->search_type = R_RADIX;
2194 | 	
2195 |         if (map_qc2rx(qi, qc) == 1) {
2196 | 	  int j;
2197 | 	  int found=0;
2198 | 	  
2199 |           /* check that there is no such query yet, for example if
2200 | 	     more than one keytype (wk) matched */
2201 | 	  for (j=0; j<i_no; j++) {
2202 | 	    Query_instruction *qij = qis->instruction[j];
2203 | 	    
2204 | 	    if(    qij->search_type == R_RADIX
2205 | 		   && Query[qij->queryindex].attribute 
2206 | 		   == Query[qi ->queryindex].attribute) {
2207 | 	      
2208 |               found=1;
2209 |               break;
2210 |             }
2211 |           }
2212 | 	  
2213 |           if ( found ) {
2214 |             /* Discard the Query Instruction */
2215 |             UT_free(qi);
2216 |           } 
2217 |           else {
2218 |             /* Add the query_instruction to the array */
2219 |             qis->instruction[i_no++] = qi;
2220 |           }
2221 |         }
2222 |       }
2223 |       else {
2224 | 	  /* ERROR: bad search_type */
2225 | 	  die;
2226 |       }
2227 |     }
2228 |   }
2229 |   qis->instruction[i_no++] = NULL;
2230 | 
2231 | 
2232 |   {  /* tracing */
2233 |       char *descrstr = QI_queries_to_string(qis);
2234 | 
2235 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_GEN, "Queries: %s", descrstr );
2236 |       UT_free( descrstr );
2237 |   }
2238 | 
2239 |   return qis;
2240 | 
2241 | } /* QI_new() */
2242 | 
2243 | 
2244 |  
2245 | 
2246 | 
2247 | /*++++++++++++++++++++++++++++++++++++++
2248 |   
2249 |   char *QI_queries_to_string    returns a list of descriptions for queries 
2250 |                                 that will be performed (debugging only).
2251 | 				Allocated text, must be freed after use.
2252 | 
2253 |   Query_instructions *qis       query instructions structure
2254 | 
2255 |   Author:
2256 |      marek.
2257 |   ++++++++++++++++++++++++++++++++++++++*/
2258 | 
2259 | char *QI_queries_to_string(Query_instructions *qis)
2260 | {
2261 |    Query_instruction *qi;
2262 |    int i;
2263 |    char *resstr;
2264 | 
2265 |    resstr = (char *)UT_malloc(2);
2266 |    strcpy(resstr, "{");
2267 | 
2268 |    for( i = 0; ( qi=qis->instruction[i] ) != NULL;  i++ ) {
2269 |        char *descr = Query[qi->queryindex].descr;
2270 |        int oldres = strlen( resstr );
2271 |        
2272 |        resstr = (char *)UT_realloc(resstr, oldres+strlen(descr)+2);
2273 |        strcat(resstr, descr);
2274 |        strcat(resstr, ",");
2275 |    }
2276 |    if( i>0 ) {
2277 |        /* cancel the last comma */
2278 |        resstr[strlen(resstr)-1] = 0;
2279 |    }
2280 | 
2281 |    resstr = (char *)UT_realloc(resstr, strlen(resstr) + 2);
2282 |    strcat(resstr, "}");
2283 |    
2284 |    return resstr;
2285 | }