Source File modules/qi/query_instructions.c

    1    | /***************************************
    2    |   $Revision: 1.82 $
    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                              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 <stdio.h>
    35   | #include <string.h>
    36   | #include <glib.h>
    37   |
    38   | #include "which_keytypes.h"
    39   | #include "query_instructions.h"
    40   | #include "mysql_driver.h"
    41   | #include "rp.h"
    42   | #include "stubs.h"
    43   | #include "constants.h"
    44   | #include "memwrap.h"
    45   | #include "wh_queries.h"
    46   | #include "ud.h"
    47   |
    48   | #include "defs.h"
    49   |
    50   | /*+ String sizes +*/
    51   | #define STR_S   63
    52   | #define STR_M   255
    53   | #define STR_L   1023
    54   | #define STR_XL  4095
    55   | #define STR_XXL 16383
    56   |
    57   | /* the TEMPORARY table is only available in 3.23 or later MySQL */
    58   | #if MYSQL_VERSION_ID >= 32300
    59   | #define USE_TEMPORARY_TABLE
    60   | #endif
    61   |
    62   | /* string to stick in CREATE TABLE statments */
    63   | #ifdef USE_TEMPORARY_TABLE
    64   | #define TEMPORARY "TEMPORARY"
    65   | #else
    66   | #define TEMPORARY ""
    67   | #endif
    68   |
    69   | /*++++++++++++++++++++++++++++++++++++++
    70   |   Function invoked on query cancellation by the watchdog,
    71   |   used from the sql_execute_watched() function.
    72   |
    73   |   It aborts the running query (the abort function in sq kills and
    74   |   reestablished the connection).
    75   |
    76   |   void *qi_kill_body         result of sq_execute_query, int cast to (void*)
    77   |
    78   |   void *arg                  pointer to sql connection
    79   |
    80   |   Author:
    81   |     marek.
    82   |
    83   |   ++++++++++++++++++++++++++++++++++++++*/
    84   | static
    85   | void *qi_kill_body(void *arg)
    86   | {
    87   |   SQ_connection_t *sql_connection = arg;
    88   |   ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    89   | 	      "rtc: killing SQL connection %d", (sql_connection)->thread_id);
    90   |   /* abort the running query */
    91   |   SQ_abort_query(sql_connection);
    92   |
    93   |   return NULL;
    94   | }
    95   |
    96   |
    97   |
    98   | /*++++++++++++++++++++++++++++++++++++++
    99   |   wrapper around sq_execute_query: starts a query
    100  |   in a separate thread and starts the socket watchdog to cancel the query
    101  |   if the socket is closed. If the socket has problems already (its
    102  |   reason-to-close flag is set) no query is attempted.
    103  |
    104  |   The execution of the query or watchdog is not guaranteed at all!
    105  |
    106  |   int sql_execute_watched        Returns the return code of SQ_execute_query,
    107  |                                  Returns 0 for cancelled queries.
    108  |
    109  |   sk_conn_st *condat             connection to watch
    110  |
    111  |   SQ_connection_t **sql_connection  sql connection
    112  |
    113  |   const char *query                 sql query to execute
    114  |
    115  |   SQ_result_set_t **result_ptr      storage for the query result structure
    116  |                                     (passed to SQ_execute_query). Must either
    117  | 				    be NULL, or the pointer it points to must
    118  | 				    be NULL - in that case the result struct.
    119  | 				    will be allocated in SQ.
    120  |
    121  |   Author:
    122  |     marek.
    123  |   ++++++++++++++++++++++++++++++++++++++*/
    124  | int sql_execute_watched(sk_conn_st *condat, SQ_connection_t **sql_connection,
    125  | 			const char *query, SQ_result_set_t **result_ptr)
    126  | {
    127  |   int retval = 0; /* return value of sq_execute_query */
    128  |   SQ_connection_t *tempcon;
    129  |
    130  |   /* assert that, if defined, result_ptr is initialised to NULL
    131  |      prior to calling this function */
    132  |   if( result_ptr != NULL ) {
    133  |     dieif( *result_ptr != NULL );
    134  |   }
    135  |
    136  |   /* don't even try to perform the query/fire up watchdog
    137  |      if rtc is already set. Do this only if not set yet. */
    138  |   if( condat->rtc == 0 ) {
    139  |
    140  |     /* make clean */
    141  |     SK_watch_setclear(condat);
    142  |
    143  |     /* set watchdog to execute the abort function */
    144  |     SK_watch_setexec(condat, qi_kill_body, *sql_connection);
    145  |
    146  |     /* start the watchdog */
    147  |     SK_watchstart(condat);
    148  |
    149  |     /* start query. An error may be returned if the query is aborted */
    150  |     retval = SQ_execute_query(*sql_connection, query, result_ptr);
    151  |
    152  |     /* but short queries will complete before the watchdog kills the
    153  |        connection */
    154  |
    155  |     SK_watchstop(condat);
    156  |
    157  |
    158  |     /* if the watchdog triggered, then it is guaranteed that
    159  |        the kill_body function was invoked and therefore the sql-connection
    160  |        is now unusable...
    161  |        Close and reopen it for cleanup, use temporary connection
    162  |        to keep the login details */
    163  |     if( condat->rtc != 0 ) {
    164  |       /* can't rely on the error code from mysql!
    165  |        */
    166  |
    167  |       /* one thing: this code must be entered ONLY if the kill_body
    168  | 	 thing was invoked by the watchdog.
    169  |       */
    170  |
    171  |       /* if result is defined, free it here before destroying the
    172  | 	 associated connection */
    173  |       if( retval == 0 && result_ptr && *result_ptr ) {
    174  | 	SQ_free_result( *result_ptr );
    175  | 	*result_ptr = NULL;
    176  |       }
    177  |
    178  |       tempcon = SQ_duplicate_connection(*sql_connection);
    179  |
    180  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    181  | 		"rtc: closing SQL thread %d", (*sql_connection)->thread_id);
    182  |       SQ_close_connection(*sql_connection);
    183  |
    184  |       *sql_connection = tempcon;
    185  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    186  | 		"rtc: reopened as thread %d", (*sql_connection)->thread_id);
    187  |
    188  |       /* make it look as if there was no error and
    189  | 	 the result is empty */
    190  |       retval = 0;
    191  |     } /* if watchdog set rtc */
    192  |
    193  |   } /* if rtc not set before */
    194  |
    195  |   return retval;
    196  | }
    197  |
    198  | /* create_name_query() */
    199  | /*++++++++++++++++++++++++++++++++++++++
    200  |   Create an sql query for the names table.
    201  |
    202  |   char *query_str
    203  |
    204  |   const char *sql_query
    205  |
    206  |   const char *keys
    207  |
    208  |   More:
    209  |   +html+ <PRE>
    210  |   Authors:
    211  |     ottrey
    212  |   +html+ </PRE>
    213  |   ++++++++++++++++++++++++++++++++++++++*/
    214  | static void create_name_query(char *query_str, const char *sql_query, const char *keys) {
    215  |   int i;
    216  |   /* Allocate stuff - use dynamic strings (initialised to some length) */
    217  |   GString *from_clause = g_string_sized_new(STR_L);
    218  |   GString *where_clause = g_string_sized_new(STR_L);
    219  |   gchar **words = g_strsplit(keys, " ", 0);
    220  |
    221  |   /* double quotes " are used in queries to allow querying for
    222  |      names like O'Hara */
    223  |
    224  |   g_string_sprintfa(from_clause, "names N%.2d", 0);
    225  |   g_string_sprintfa(where_clause, "N%.2d.name=\"%s\"", 0, words[0]);
    226  |
    227  |   for (i=1; words[i] != NULL; i++) {
    228  |     g_string_sprintfa(from_clause, ", names N%.2d", i);
    229  |     g_string_sprintfa(where_clause, " AND N%.2d.name=\"%s\" AND N00.object_id = N%.2d.object_id", i, words[i], i);
    230  |   }
    231  |
    232  |   sprintf(query_str, sql_query, from_clause->str, where_clause->str);
    233  |
    234  |   /* Free up stuff */
    235  |   g_strfreev(words);
    236  |   g_string_free(where_clause,/* CONSTCOND */ TRUE);
    237  |   g_string_free(from_clause, /* CONSTCOND */ TRUE);
    238  |
    239  | } /* create_name_query() */
    240  |
    241  |
    242  | /*++++++++++++++++++++++++++++++++++++++
    243  |   construct a range query for the as_block table
    244  |   (a query for an AS block object) given a string like:
    245  |   AS1
    246  |   AS1 - AS10
    247  |   AS1-AS10
    248  |
    249  |   int create_asblock_query    Returns 0 on success, -1 on failure
    250  |                              (search term not an AS# nor range)
    251  |
    252  |   char *query_str             buffer for the final query (must be big enough)
    253  |
    254  |   const char *sql_query       rest of the sql query (with %d %d formats for
    255  |                               AS numbers)
    256  |
    257  |   const char *keys            user-supplied search term.
    258  |
    259  |   Author:
    260  |     marek
    261  |   ++++++++++++++++++++++++++++++++++++++*/
    262  | static int create_asblock_query(char *query_str,
    263  | 				const char *sql_query,
    264  | 				const char *keys) {
    265  |   char *keycopy = wr_string(keys);
    266  |   char *token, *cursor = keycopy;
    267  |   int  asnums[2] = {0,0};
    268  |   int index = 0; /* index into the asnums array */
    269  |
    270  |
    271  |   while( (token = strsep( &cursor, "-" )) != NULL && index < 2) {
    272  |     /* discard the letters (or leading whitespace), take the number */
    273  |     if( sscanf(token, "%*[ AS]%d", &asnums[index++]) < 1 ) {
    274  |       return -1; /* error */
    275  |     }
    276  |   }
    277  |   /* if only beginning was supplied, copy it as end */
    278  |   if( index == 1 ) {
    279  |     asnums[1] = asnums[0];
    280  |   }
    281  |
    282  |   /* now construct the query */
    283  |   sprintf(query_str, sql_query, asnums[0], asnums[1]);
    284  |
    285  |   wr_free(keycopy);
    286  |   return 0;
    287  | }
    288  |
    289  |
    290  | /*++++++++++++++++++++++++++++++++++++++
    291  |   add_filter(): construct a query to limit the objects returned from the last
    292  |   table to predefined types.
    293  |
    294  |   char *query_str           buffer for the final query, containing the initial
    295  |                             part of the query (must be big enough)
    296  |
    297  |   const Query_command *qc   query command structure with the bitmap of
    298  |                             object types to be included.
    299  |
    300  |   Author:
    301  |     ottrey.
    302  |   ++++++++++++++++++++++++++++++++++++++*/
    303  | static void add_filter(char *query_str, const Query_command *qc) {
    304  |   unsigned i;
    305  |   int qlen;
    306  |   char filter_atom[STR_M];
    307  |
    308  | #if 0
    309  |   /* glib string manipulation - untested yet */
    310  |
    311  |     if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    312  |       g_string_sprintfa(query_str, " AND (");
    313  |       for (i=0; i < C_END; i++) {
    314  | 	if (MA_isset(qc->object_type_bitmap, i)) {
    315  | 	  g_string_sprintfa(query_str, "i.object_type = %d OR ", DF_get_class_dbase_code(i));
    316  | 	}
    317  |       }
    318  |       g_string_truncate(query_str, query_str->len-3);
    319  |       g_string_append_c(query_str, ')');
    320  |     }
    321  |
    322  | #else /* classic string operations */
    323  |
    324  |   /* add filters only if any bits are 0 (the number of 1's is < MAX_MAX */
    325  |   if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    326  |     strcat(query_str, " AND (");
    327  |     for (i=0; i < C_END; i++) {
    328  |       if (MA_isset(qc->object_type_bitmap, i)) {
    329  |         strcpy(filter_atom, "");
    330  |         sprintf(filter_atom, "i.object_type = %d OR ", i);
    331  | 	                /* XXX class codes should be used instead:
    332  | 			   DF_get_class_dbase_code(i))
    333  | 			   but currently the tables contain values of enums
    334  | 			   (C_IN, etc) and not codes
    335  | 			*/
    336  |         strcat(query_str, filter_atom);
    337  |       }
    338  |     }
    339  |     qlen = strlen(query_str);
    340  |     query_str[qlen-3] = ')';
    341  |     query_str[qlen-2] = '\0';
    342  |     query_str[qlen-1] = '\0';
    343  |   }
    344  |
    345  | #endif
    346  |
    347  | } /* add_filter() */
    348  |
    349  | /* create_query() */
    350  | /*++++++++++++++++++++++++++++++++++++++
    351  |   Create an sql query from the query_command and the matching keytype and the
    352  |   selected inverse attributes.
    353  |   Note this clears the first inv_attribute it sees, so is called sequentially
    354  |   until there are no inv_attributes left.
    355  |
    356  |   WK_Type keytype The matching keytype.
    357  |
    358  |   const Query_command *qc The query command.
    359  |
    360  |   mask_t *inv_attrs_bitmap The selected inverse attributes.
    361  |
    362  |   More:
    363  |   +html+ <PRE>
    364  |   Authors:
    365  |         ottrey
    366  |   +html+ </PRE>
    367  |
    368  |   ++++++++++++++++++++++++++++++++++++++*/
    369  | static char *create_query(const Query_t q, const Query_command *qc) {
    370  |   char *result=NULL;
    371  |   char result_buff[STR_XL];
    372  |   Q_Type_t querytype;
    373  |   int addquery = 0; /* controls if the query should be added to the list */
    374  |
    375  |   if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
    376  |     querytype = Q_INVERSE;
    377  |   }
    378  |   else {
    379  |     querytype = Q_LOOKUP;
    380  |   }
    381  |
    382  |   if ( (q.query != NULL)
    383  |     && (q.querytype == querytype) ) {
    384  |
    385  |     /* addquery = 1; */
    386  |     /* if it got here, it should be added, unless.(see asblock)*/
    387  |
    388  |     if (q.keytype == WK_NAME) {
    389  |       /* Name queries require special treatment. */
    390  |       create_name_query(result_buff, q.query, qc->keys);
    391  |       addquery = 1;
    392  |     }
    393  |     else if( q.keytype == WK_IPADDRESS ) {  /* ifaddr sql lookups */
    394  |       ip_range_t myrang;
    395  |       unsigned   begin, end;
    396  |       ip_keytype_t key_type;
    397  |
    398  |       /* The only inverse query for IPADDRESS is nserver. */
    399  |       /* We need to insure that we don't try to use the numeric values for this
    400  |        * query, because the address of the server is stored as a string, and
    401  |        * the SQL query is formatted appropriately. */
    402  |       if (NOERR(IP_smart_range(qc->keys, &myrang, IP_EXPN, &key_type))) {
    403  |         if(IP_rang_b2_space(&myrang) == IP_V4 ) {
    404  | 	  IP_rang_b2v4(&myrang, &begin, &end);
    405  | 	  if (querytype == Q_INVERSE) {
    406  | 	      /* for inverse queries, convert number to dotted-quad */
    407  | 	      char buf[64];
    408  | 	      const char *inet_ntop_ret;
    409  | 	      inet_ntop_ret = inet_ntop(AF_INET, &begin, buf, sizeof(buf));
    410  | 	      dieif(inet_ntop_ret == NULL);
    411  | 	      sprintf(result_buff, q.query, buf);
    412  | 	  } else {
    413  | 	      /* otherwise, execute appropriate query on numeric values */
    414  | 	      sprintf(result_buff, q.query, begin, end);
    415  | 	  }
    416  | 	  addquery = 1;
    417  | 	}
    418  | 	else {
    419  | 	  die;
    420  | 	}
    421  |       }
    422  |     }
    423  |     else if( q.keytype == WK_ASRANGE ) {   /* as_block range composition */
    424  |       if( create_asblock_query(result_buff, q.query, qc->keys) != 0 ) {
    425  | 	addquery = 0; /* ... unless it's not correct */
    426  |       }
    427  |       else {
    428  | 	addquery = 1;
    429  |       }
    430  |     }
    431  |     else {
    432  |       sprintf(result_buff, q.query, qc->keys);
    433  |       addquery = 1;
    434  |     }
    435  |
    436  |     if (q.class == C_ANY && addquery == 1 ) {
    437  |       /* It is class type ANY so add the object filtering */
    438  |       add_filter(result_buff, qc);
    439  |     }
    440  |   }
    441  |
    442  |   if( addquery == 1 ) {
    443  |     dieif( wr_malloc((void **)&result, strlen(result_buff)+1) != UT_OK);
    444  |     strcpy(result, result_buff);
    445  |     return result;
    446  |   }
    447  |   else {
    448  |     return NULL;
    449  |   }
    450  | } /* create_query() */
    451  |
    452  | /* QI_fast_output() */
    453  | /*++++++++++++++++++++++++++++++++++++++
    454  |   This is for the '-F' flag.
    455  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    456  |   Fast isn't fast anymore - it's just there for compatibility reasons.
    457  |
    458  |   const char *str        The object to be "fast output'ed".
    459  |
    460  |   More:
    461  |   +html+ <PRE>
    462  |   Authors:
    463  |         ottrey,
    464  | 	marek - glib strings + small changes
    465  |   +html+ </PRE>
    466  |   ++++++++++++++++++++++++++++++++++++++*/
    467  | char *QI_fast_output(const char *str)
    468  | {
    469  |   int i,j;
    470  |   char *result;
    471  |   GString *result_buff = g_string_sized_new(STR_XL);
    472  |   gchar **lines = g_strsplit(str, "\n", 0);
    473  |   unsigned char *value, *colon;
    474  |   char *attr;
    475  |
    476  |   g_string_assign(result_buff, "");
    477  |
    478  |   for (j=0; lines[j] != NULL; j++) {
    479  |
    480  |     switch (lines[j][0]) {
    481  |       /* line continuation */
    482  |     case ' ':
    483  |     case '\t':
    484  |     case '+':
    485  |       value = (unsigned char *) lines[j]+1;
    486  |       while(*value != '\0' && isspace(*value)) {
    487  | 	value++;
    488  |       }
    489  |       g_string_append(result_buff, "\n+ ");
    490  |       g_string_append(result_buff, (char *)value);
    491  |       break;
    492  |
    493  |     default:
    494  |       /* a line of the form "attribute: value" */
    495  |       /* first: close the last line (if there was any, i.e. j>0) */
    496  |       if( j > 0 ) {
    497  | 	g_string_append_c(result_buff, '\n');
    498  |       }
    499  |
    500  |       /* get attribute name */
    501  |       attr =  lines[j];
    502  |       colon = (unsigned char *) strchr(lines[j], ':');
    503  |       /* if there's no colon for whatever reason, dump the object
    504  | 	 and report the condition */
    505  |       if( colon == NULL ) {
    506  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    507  | 	goto fast_output_cleanup;
    508  |       }
    509  |       *colon = '\0';
    510  |       for(value = colon+1; *value != '\0' && isspace(*value) ; value++) {
    511  | 	;
    512  |       }
    513  |
    514  |       if( (i = DF_attribute_name2type(attr)) == -1 ) {
    515  | 	  /* warning! error in the object format */
    516  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    517  | 	goto fast_output_cleanup;
    518  |
    519  |       }
    520  |       else {
    521  | 	/* This is the juicy bit that converts the likes of; "source: RIPE" to "*so: RIPE" */
    522  | 	g_string_append_c(result_buff, '*');
    523  | 	g_string_append(result_buff, DF_get_attribute_code(i));
    524  | 	g_string_append(result_buff, ": ");
    525  | 	g_string_append(result_buff, (char *)value);
    526  |       }
    527  |     } /* switch */
    528  |   } /* for every line */
    529  |
    530  |  fast_output_cleanup:
    531  |
    532  |   g_strfreev(lines);
    533  |
    534  |   g_string_append_c(result_buff, '\n');
    535  |   result = strdup(result_buff->str);
    536  |   dieif(result == NULL);
    537  |
    538  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    539  |
    540  |   return result;
    541  | } /* fast_output() */
    542  |
    543  | /* filter() */
    544  | /*++++++++++++++++++++++++++++++++++++++
    545  |   Basically it's for the '-K' flag for non-set (and non-radix) objects.
    546  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    547  |
    548  |   This could be speed up if there were breaks out of the loops, once it matched something.
    549  |
    550  |   const char *string          The string to be filtered.
    551  |
    552  |   More:
    553  |   +html+ <PRE>
    554  |   Authors:
    555  |         ottrey
    556  |   +html+ </PRE>
    557  |
    558  |   ++++++++++++++++++++++++++++++++++++++*/
    559  | char *filter(const char *str) {
    560  |   int i,j, passed=0;
    561  |   char *result;
    562  |   GString *result_buff = g_string_sized_new(STR_XL);
    563  |   gchar **lines = g_strsplit(str, "\n", 0);
    564  |   char * const *filter_names;
    565  |   gboolean filtering_an_attribute = FALSE;
    566  |
    567  |   filter_names = DF_get_filter_names();
    568  |
    569  |   g_string_assign(result_buff, "");
    570  |
    571  |   for (i=0; filter_names[i] != NULL; i++) {
    572  |     for (j=0; lines[j] != NULL; j++) {
    573  |       if (strncmp(filter_names[i], lines[j], strlen(filter_names[i])) == 0) {
    574  |
    575  |         g_string_sprintfa(result_buff, "%s\n", lines[j]);
    576  | 	passed++;
    577  |
    578  | 	/* CONSTCOND */
    579  |         filtering_an_attribute = TRUE;
    580  |       }
    581  |       /* CONSTCOND */
    582  |       else if (filtering_an_attribute == TRUE) {
    583  |         switch (lines[j][0]) {
    584  |           case ' ':
    585  |           case '\t':
    586  |           case '+':
    587  |
    588  |             g_string_sprintfa(result_buff, "%s\n", lines[j]);
    589  |
    590  |           break;
    591  |
    592  |           default:
    593  |             filtering_an_attribute = FALSE;
    594  |         }
    595  |       }
    596  |     }
    597  |   }
    598  |
    599  |   g_strfreev(lines);
    600  |
    601  |   if(passed) {
    602  |     g_string_append(result_buff, "\n");
    603  |   }
    604  |   result = strdup(result_buff->str);
    605  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    606  |
    607  |   return result;
    608  | } /* filter() */
    609  |
    610  | /* write_results() */
    611  | /*++++++++++++++++++++++++++++++++++++++
    612  |   Write the results to the client socket.
    613  |
    614  |   SQ_result_set_t *result The result set returned from the sql query.
    615  |   unsigned filtered       if the objects should go through a filter (-K)
    616  |   sk_conn_st *condat      Connection data for the client
    617  |
    618  |   More:
    619  |   +html+ <PRE>
    620  |   Authors:
    621  |         ottrey - initial design
    622  | 	marek - rewritten for accounting and cancellation.
    623  |   +html+ </PRE>
    624  |
    625  |   ++++++++++++++++++++++++++++++++++++++*/
    626  | static int write_results(SQ_result_set_t *result,
    627  | 			 unsigned filtered,
    628  | 			 unsigned fast,
    629  | 			 sk_conn_st *condat,
    630  | 			 acc_st    *acc_credit,
    631  | 			 acl_st    *acl
    632  | 			 ) {
    633  |   SQ_row_t *row;
    634  |   char *str;
    635  |   char *filtrate;
    636  |   char *fasted;
    637  |   int retrieved_objects=0;
    638  |   char *objt;
    639  |   int type;
    640  |
    641  |   /* Get all the results - one at a time */
    642  |   if (result != NULL) {
    643  |     /* here we are making use of the mysql_store_result capability
    644  |        of interrupting the cycle of reading rows. mysql_use_result
    645  |        would not allow that, would have to be read until end */
    646  |
    647  |     while ( condat->rtc == 0
    648  | 	    && AC_credit_isdenied( acc_credit ) == 0
    649  | 	    && (row = SQ_row_next(result)) != NULL ) {
    650  |
    651  |       if (  (str = SQ_get_column_string(result, row, 0)) == NULL
    652  | 	    || (objt = SQ_get_column_string(result, row, 3)) == NULL )  {
    653  | 	/* handle it somehow ? */
    654  | 	die;
    655  |       }
    656  |       else  {
    657  | 	/* get + add object type */
    658  | 	type = atoi(objt);
    659  |
    660  | 	/* ASP_QI_LAST_DET */
    661  | 	ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    662  | 		  "Retrieved serial id = %d , type = %s", atoi(str), objt);
    663  |
    664  | 	wr_free(str);
    665  | 	wr_free(objt);
    666  |       }
    667  |
    668  |       /* decrement credit for accounting purposes */
    669  |       AC_count_object( acc_credit, acl,
    670  | 		       type == C_PN || type == C_RO ); /* is private? */
    671  |
    672  |       /* break the loop if the credit has just been exceeded and
    673  | 	 further results denied */
    674  |       if( AC_credit_isdenied( acc_credit ) ) {
    675  | 	continue;
    676  |       }
    677  |
    678  |       if ((str = SQ_get_column_string(result, row, 2)) == NULL) { die; }
    679  |       else {
    680  |
    681  |         /* The fast output stage */
    682  |         if (fast == 1) {
    683  |           fasted = QI_fast_output(str);
    684  |           wr_free(str);
    685  |           str = fasted;
    686  |         }
    687  |
    688  |         /* The filtering stage */
    689  |         if (filtered == 0) {
    690  |           SK_cd_puts(condat, str);
    691  | 	  SK_cd_puts(condat, "\n");
    692  |         }
    693  |         else {
    694  |
    695  | 	  /* XXX accounting should be done AFTER filtering, not to count
    696  | 	     objects filtered out */
    697  |
    698  |           filtrate = filter(str);
    699  |           SK_cd_puts(condat, filtrate);
    700  |           wr_free(filtrate);
    701  |         }
    702  |         retrieved_objects++;
    703  |       }
    704  |       wr_free(str);
    705  |     }
    706  |   }
    707  |
    708  |   return retrieved_objects;
    709  | } /* write_results() */
    710  |
    711  | /* generic SQL error message - it could be a configurable parameter, but
    712  |    it also shouldn't happen! */
    713  | static const char *sql_error_text =
    714  |     "% An internal database error has occurred.\n"
    715  |     "% It has been logged, and an adminstrator should look at it shorly.\n"
    716  |     "% Please try your query again.\n"
    717  |     "\n"
    718  |     "\n";
    719  |
    720  | /* use a macro so we can get our file and line number */
    721  | #define report_sql_error(condat,sql_connection,sql_command) \
    722  |   __report_sql_error((condat), (sql_connection), (sql_command), \
    723  |                      __FILE__,__LINE__,pthread_self())
    724  |
    725  | /* report_sql_error() */
    726  | /*++++++++++++++++++++++++++++++++++++++
    727  |
    728  |   sk_conn_st *condat                 connection with user
    729  |   SQ_connection_t *sql_connection    connection to MySQL
    730  |   const char *sql_command            SQL command sent to MySQL
    731  |
    732  |   ++++++++++++++++++++++++++++++++++++++*/
    733  |
    734  | void
    735  | __report_sql_error(sk_conn_st *condat,
    736  |                  SQ_connection_t *sql_connection,
    737  | 		 const char *sql_command,
    738  | 		 const char *file,
    739  | 		 int line,
    740  | 		 pthread_t tid)
    741  | {
    742  |     /* first, let user know what has happened */
    743  |     SK_cd_puts(condat, sql_error_text);
    744  |
    745  |     /* next, log this error */
    746  |     ER_perror(FAC_QI, QI_SQLERR,"sql='%s' at %s:%d, tid:%d [%d] %s",
    747  | 		      sql_command,
    748  | 		      file, line, tid,
    749  | 		      SQ_errno(sql_connection),
    750  | 		      SQ_error(sql_connection));
    751  | }
    752  |
    753  | /* write_objects() */
    754  | /*++++++++++++++++++++++++++++++++++++++
    755  |
    756  |   SQ_connection_t *sql_connection The connection to the database.
    757  |
    758  |   char *id_table The id of the temporary table (This is a result of the hacky
    759  |                   way we've tried to get MySQL to do sub-selects.)
    760  |
    761  |   sk_conn_st *condat  Connection data for the client
    762  |
    763  |   More:
    764  |   +html+ <PRE>
    765  |   Authors:
    766  |         ottrey,
    767  | 	marek.
    768  |   +html+ </PRE>
    769  |   ++++++++++++++++++++++++++++++++++++++*/
    770  | static int
    771  | write_objects(SQ_connection_t **sql_connection,
    772  | 			  char *id_table,
    773  | 			  unsigned int filtered,
    774  | 			  unsigned int fast,
    775  | 			  sk_conn_st *condat,
    776  | 			  acc_st    *acc_credit,
    777  | 			  acl_st    *acl
    778  | 			  )
    779  | {
    780  |   SQ_result_set_t *result = NULL;
    781  |   int retrieved_objects=0;
    782  |   char sql_command[STR_XL];
    783  |
    784  |   sprintf(sql_command, Q_OBJECTS, id_table);
    785  |
    786  |   if (sql_execute_watched(condat, sql_connection, sql_command, &result) == -1) {
    787  |       report_sql_error(condat, *sql_connection, sql_command);
    788  |       return SQ_errno(*sql_connection);
    789  |   }
    790  |
    791  |   /* Problem: if the query was aborted, the result structure does not
    792  |      refer to any existing connection anymore. So we check rtc here.
    793  |   */
    794  |
    795  |   if( condat->rtc == 0) {
    796  |     retrieved_objects = write_results(result, filtered, fast, condat,
    797  | 				      acc_credit, acl);
    798  |     SQ_free_result(result);
    799  |   }
    800  |   return 0;
    801  | } /* write_objects() */
    802  |
    803  | /* insert_radix_serials() */
    804  | /*++++++++++++++++++++++++++++++++++++++
    805  |   Insert the radix serial numbers into a temporary table in the database.
    806  |
    807  |   mask_t bitmap The bitmap of attribute to be converted.
    808  |
    809  |   SQ_connection_t *sql_connection The connection to the database.
    810  |
    811  |   char *id_table The id of the temporary table (This is a result of the hacky
    812  |                   way we've tried to get MySQL to do sub-selects.)
    813  |
    814  |   GList *datlist The list of data from the radix tree.
    815  |
    816  |   More:
    817  |   +html+ <PRE>
    818  |   Authors:
    819  |         ottrey,
    820  | 	marek
    821  |   +html+ </PRE>
    822  |
    823  |   ++++++++++++++++++++++++++++++++++++++*/
    824  | static int insert_radix_serials(sk_conn_st *condat,
    825  | 				 SQ_connection_t *sql_connection,
    826  | 				 char *id_table, GList *datlist) {
    827  |   GList    *qitem;
    828  |   char sql_command[STR_XL];
    829  |   int serial;
    830  |   int sql_error;
    831  |
    832  |   sql_error = 0;
    833  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    834  |     rx_datcpy_t *datcpy = qitem->data;
    835  |
    836  |     serial = datcpy->leafcpy.data_key;
    837  |
    838  |     /* don't bother to insert values into our temporary table */
    839  |     /* if we've lost the client connection */
    840  |     if ((condat->rtc == 0) && !sql_error) {
    841  |         sprintf(sql_command, "INSERT INTO %s values (%d)", id_table, serial);
    842  |         if (SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
    843  | 	    sql_error = SQ_errno(sql_connection);
    844  | 	    report_sql_error(condat, sql_connection, sql_command);
    845  | 	}
    846  |     }
    847  |
    848  |     wr_free(datcpy->leafcpy.data_ptr);
    849  |   }
    850  |
    851  |   wr_clear_list( &datlist );
    852  |
    853  |   /* return error, if any */
    854  |   return sql_error;
    855  |
    856  | } /* insert_radix_serials() */
    857  |
    858  |
    859  | /* write_radix_immediate() */
    860  | /*++++++++++++++++++++++++++++++++++++++
    861  |   Display the immediate data carried with the objects returned by the
    862  |   radix tree.
    863  |
    864  |   GList *datlist      The linked list of dataleaf copies
    865  |
    866  |   sk_conn_st *condat  Connection data for the client
    867  |
    868  |   acc_st  *acc_credit Accounting struct
    869  |
    870  | More:
    871  |   +html+ <PRE>
    872  |   Authors:
    873  |         marek
    874  |   +html+ </PRE>
    875  |
    876  |   Also free the list of answers.
    877  | ++++++++++++++++++++++++++++++++++++++*/
    878  | static void write_radix_immediate(GList *datlist,
    879  | 				  sk_conn_st *condat,
    880  | 				  acc_st    *acc_credit,
    881  | 				  acl_st    *acl)
    882  | {
    883  |   GList    *qitem;
    884  |
    885  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    886  |     rx_datcpy_t *datcpy = qitem->data;
    887  |
    888  |     SK_cd_puts(condat, datcpy->leafcpy.data_ptr );
    889  |     SK_cd_puts(condat, "\n");
    890  |
    891  |     wr_free(datcpy->leafcpy.data_ptr);
    892  |
    893  |     AC_count_object(acc_credit, acl, 0 /* public object (private=0) */ );
    894  |
    895  |     if(condat->rtc != 0) {
    896  |       break;
    897  |     }
    898  |   }
    899  |
    900  |   wr_clear_list( &datlist );
    901  | } /* write_radix_immediate() */
    902  |
    903  |
    904  | /* map_qc2rx() */
    905  | /*++++++++++++++++++++++++++++++++++++++
    906  |   The mapping between a query_command and a radix query.
    907  |
    908  |   Query_instruction *qi The Query Instruction to be created from the mapping
    909  |                         of the query command.
    910  |
    911  |   const Query_command *qc The query command to be mapped.
    912  |
    913  |   More:
    914  |   +html+ <PRE>
    915  |   Authors:
    916  |         ottrey,
    917  | 	marek - simplified the logic, added stealth -S option
    918  |   +html+ </PRE>
    919  |
    920  |   ++++++++++++++++++++++++++++++++++++++*/
    921  | static int map_qc2rx(Query_instruction *qi, const Query_command *qc) {
    922  |   int result=1;
    923  |   int allflags = (qc->L == 1) + (qc->M == 1) + (qc->l == 1)
    924  |                + (qc->m == 1) + (qc->x == 1);
    925  |
    926  |   qi->rx_keys = qc->keys;
    927  |
    928  |   /* only one option can be active at a time */
    929  |
    930  |   if( allflags > 1 ) {
    931  |       /* user error  (this should have been checked before) */
    932  |
    933  |       ER_dbg_va(FAC_QI, ASP_QI_SKIP,
    934  | 		"ERROR in qc2rx mapping: bad combination of flags");
    935  |       result = 0;
    936  |   }
    937  |   if( allflags == 0 ) {
    938  |       /* no options active - default search */
    939  |       qi->rx_srch_mode = RX_SRCH_EXLESS;
    940  |       qi->rx_par_a = 0;
    941  |   }
    942  |   else if ( qc->L == 1 ) {
    943  |       qi->rx_srch_mode = RX_SRCH_LESS;
    944  |       qi->rx_par_a = RX_ALL_DEPTHS;
    945  |   }
    946  |   else if (qc->M == 1) {
    947  |       qi->rx_srch_mode = RX_SRCH_MORE;
    948  |       qi->rx_par_a = RX_ALL_DEPTHS;
    949  |   }
    950  |   else if (qc->l == 1) {
    951  |       qi->rx_srch_mode = RX_SRCH_LESS;
    952  |       qi->rx_par_a = 1;
    953  |   }
    954  |   else if (qc->m == 1) {
    955  |       qi->rx_srch_mode = RX_SRCH_MORE;
    956  |       qi->rx_par_a = 1;
    957  |   }
    958  |   else if (qc->x == 1) {
    959  |       qi->rx_srch_mode = RX_SRCH_EXACT;
    960  |       qi->rx_par_a = 0;
    961  |   }
    962  |
    963  |   if( qi->rx_srch_mode == RX_SRCH_MORE && (qc->S == 1) ) {
    964  |       qi->rx_srch_mode = RX_SRCH_DBLS;
    965  |   }
    966  |
    967  |   return result;
    968  |
    969  | } /* map_qc2rx() */
    970  |
    971  |
    972  | /* run_referral() */
    973  | /*++++++++++++++++++++++++++++++++++++++
    974  |
    975  |    invoked when no such domain found. Goes through the domain table
    976  |    and searches for shorter domains, then if it finds one with referral
    977  |    it performs it, otherwise it just returns nothing.
    978  |
    979  |    to perform referral, it actually composes the referral query
    980  |    for a given host/port/type and calls the whois query function.
    981  |
    982  |    Well, it returns nothing anyway (void). It just prints to the socket.
    983  |
    984  |   char *ref_host           referral server host name
    985  |
    986  |   unsigned ref_port_int    referral server port number
    987  |
    988  |   char *qry                query to be run
    989  |
    990  |   Author:
    991  |     marek
    992  |   ++++++++++++++++++++++++++++++++++++++*/
    993  | void run_referral(Query_environ *qe,
    994  | 		  char *ref_host,
    995  | 		  unsigned ref_port_int,
    996  | 		  char *qry)
    997  | {
    998  |
    999  | #if 1 /* switch off for testing */
    1000 |   er_ret_t err;
    1001 |   char *rep;
    1002 |
    1003 |         /* WH_sock(sock, host, port, query, maxlines, timeout)) */
    1004 |   err= WH_cd_sock(&(qe->condat), ref_host, ref_port_int, qry,
    1005 | 		  ca_get_referralmaxlines, ca_get_referraltimeout
    1006 | 		  );
    1007 |
    1008 |   switch( err ) {
    1009 |   case SK_OK:
    1010 |     /* OK */
    1011 |     break;
    1012 |   case SK_TIMEOUT:
    1013 |     /* Referral timeout */
    1014 |     rep = ca_get_qi_ref_tmout ;
    1015 |     SK_cd_puts(&(qe->condat), rep);
    1016 |     wr_free(rep);
    1017 |     break;
    1018 |
    1019 |   case SK_BADHOST:
    1020 |     /* Referral host not found */
    1021 |     rep = ca_get_qi_ref_badhost ;
    1022 |     SK_cd_puts(&(qe->condat), rep);
    1023 |     wr_free(rep);
    1024 |     break;
    1025 |
    1026 |   case SK_CONNECT:
    1027 |     /* Referral host not responding */
    1028 |     rep = ca_get_qi_ref_hostnottresp ;
    1029 |     SK_cd_puts(&(qe->condat), rep);
    1030 |     wr_free(rep);
    1031 |     break;
    1032 |
    1033 |   case SK_BIND:
    1034 |   case SK_SOCKET:
    1035 |     /* XXX internal server problem...  */
    1036 |     die;
    1037 |
    1038 |   case WH_MAXLINES:
    1039 |     /* Referral reply line limit exceeded */
    1040 |     rep = ca_get_qi_ref_overmaxlin ;
    1041 |     SK_cd_puts(&(qe->condat), rep);
    1042 |     wr_free(rep);
    1043 |     break;
    1044 |
    1045 |   default: /* any other errors ? */
    1046 |     die;
    1047 |     ;
    1048 |   } /*switch WH_sock */
    1049 | #endif
    1050 |
    1051 | }/*run_referral*/
    1052 |
    1053 |
    1054 |
    1055 |
    1056 |
    1057 | /*++++++++++++++++++++++++++++++++++++++
    1058 |
    1059 |    prepare and run the referral, displaying the results directly to the
    1060 |    client's connection.
    1061 |
    1062 |    XXX still missing protection against a referral loop
    1063 |    XXX handling inverse flag not needed, to be removed
    1064 |
    1065 |   char *domain               domain being looked up
    1066 |
    1067 |   Query_instructions *qis    original query instructions structure
    1068 |
    1069 |   Query_environ *qe          original query environment structure
    1070 |
    1071 |   Query_instruction *qi      specific query instruction triggered
    1072 |
    1073 |   SQ_result_set_t *result    result of the lookup containing referral details
    1074 |
    1075 |   SQ_row_t *row              first row (should be only 1) of the result
    1076 |                              this should contain columns: type, port, host
    1077 |
    1078 |   char *sourcename           name of the database "source"
    1079 |
    1080 |   Author:
    1081 |      marek
    1082 |   ++++++++++++++++++++++++++++++++++++++*/
    1083 | static
    1084 | void qi_prep_run_refer(char *domain,
    1085 | 		       Query_instructions *qis,
    1086 | 		       Query_environ *qe,
    1087 | 		       Query_instruction *qi,
    1088 | 		       SQ_result_set_t *result, SQ_row_t *row,
    1089 | 		       char *sourcename )
    1090 | {
    1091 |     int err;
    1092 |     long ref_type;
    1093 |     long ref_port;
    1094 |     char *ref_host;
    1095 |     char querystr[STR_L];
    1096 |
    1097 |     /* get values from SQL query */
    1098 |     err = SQ_get_column_int(result, row, 0, &ref_type);
    1099 |     dieif(err);
    1100 |     err = SQ_get_column_int(result, row, 1, &ref_port);
    1101 |     dieif(err);
    1102 |     ref_host = SQ_get_column_string(result, row, 2);
    1103 |     dieif(ref_host == NULL);
    1104 |
    1105 |     strcpy(querystr,"");
    1106 |
    1107 |     /* put -r if the reftype is RIPE and -r or -i were used */
    1108 |     if( (ref_type == RF_RIPE)
    1109 | 	&& ( Query[qi->queryindex].querytype == Q_INVERSE
    1110 | 	     || qis->recursive > 0  )   )
    1111 |     {
    1112 | 	strcpy(querystr,"-r ");
    1113 |     }
    1114 |
    1115 |     /* prepend with -Vversion,IP for type CLIENTADDRESS */
    1116 |     if( ref_type == RF_CLIENTADDRESS ) {
    1117 | 	snprintf(querystr,sizeof(querystr),"-V%s,%s ",VERSION, qe->condat.ip);
    1118 |     }
    1119 |
    1120 |
    1121 |     /* now set the search term - set to the stripped down version
    1122 |        for inverse query, full-length otherwise */
    1123 |     if( Query[qi->queryindex].querytype == Q_INVERSE ) {
    1124 | 	strcat(querystr, domain);
    1125 |     }
    1126 |     else {
    1127 | 	strcat(querystr, qis->qc->keys);
    1128 |     }
    1129 |
    1130 |     {
    1131 | 	/* the object is not from %s,
    1132 | 	   it comes from %s %d, use -R to see %s */
    1133 | 	char *rep = ca_get_qi_fmt_refheader ;
    1134 | 	SK_cd_printf(&(qe->condat), rep,
    1135 | 		     sourcename,
    1136 | 		     ref_host, ref_port,
    1137 | 		     sourcename );
    1138 | 	wr_free(rep);
    1139 |     }
    1140 |
    1141 |     /* do the referral */
    1142 |     ER_dbg_va(FAC_QI, ASP_QI_REF_GEN, "referral host is %s", ref_host);
    1143 |
    1144 |     run_referral( qe, ref_host, ref_port, querystr);
    1145 |
    1146 |     { /* End of referred query result */
    1147 | 	char *rep = ca_get_qi_reftrailer ;
    1148 | 	SK_cd_puts(&(qe->condat), rep);
    1149 | 	wr_free(rep);
    1150 |     }
    1151 |
    1152 |     wr_free(ref_host);
    1153 | }
    1154 |
    1155 |
    1156 | /*++++++++++++++++++++++++++++++++++++++
    1157 |
    1158 |   specific case of the object ID collection: the domains.
    1159 |   Checks to see if the domain exists, and runs the referral if it is defined
    1160 |   and the domain is missing.
    1161 |
    1162 |   Arguments:
    1163 |
    1164 |   char *sourcename                     name of the database "source"
    1165 |
    1166 |   SQ_connection_t *sql_connection      sql connection dedicated to this thread
    1167 |
    1168 |   char *id_table                       name of the temporary table to be used
    1169 |
    1170 |   char *sub_table                      name of the temporary subtable
    1171 |
    1172 |   Query_instructions *qis    original query instructions structure
    1173 |
    1174 |   Query_environ *qe          original query environment structure
    1175 |
    1176 |   Query_instruction *qi      specific query instruction triggered
    1177 |
    1178 |   acc_st *acc_credit         credit for this client
    1179 |
    1180 |   Author:
    1181 |      marek.
    1182 |   ++++++++++++++++++++++++++++++++++++++*/
    1183 |
    1184 | static int
    1185 | qi_collect_domain(char *sourcename,
    1186 | 		  SQ_connection_t *sql_connection,
    1187 | 		  char *id_table,
    1188 | 		  char *sub_table,
    1189 | 		  Query_instructions *qis,
    1190 | 		  Query_environ *qe,
    1191 | 		  Query_instruction *qi,
    1192 | 		  acc_st *acc_credit,
    1193 | 		  int *sql_error)
    1194 | {
    1195 |   char *domain = qis->qc->keys;
    1196 |   char *dot = domain;
    1197 |   int subcount = 0;
    1198 |   int foundcount = 0;
    1199 |
    1200 |   /* we MUST NOT have a diconnection from the server here */
    1201 |   dieif(qe->condat.rtc != 0);
    1202 |
    1203 |   /* while nothing found and still some pieces of the name left */
    1204 |   while( dot != NULL && subcount == 0 ) {
    1205 |     int refcount = 0;
    1206 |     SQ_row_t *row;
    1207 |     SQ_result_set_t *result_referrals = NULL;
    1208 |     char sql_command[STR_XL];
    1209 |
    1210 |     ER_dbg_va(FAC_QI, ASP_QI_REF_DET, "run_referral: checking %s", dot);
    1211 |
    1212 |     /* domain lookup -- query into the _S table */
    1213 |     sprintf(sql_command, "INSERT INTO %s SELECT object_id FROM domain WHERE domain = '%s'", sub_table, dot);
    1214 |
    1215 |     if( SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
    1216 |         *sql_error = SQ_errno(sql_connection);
    1217 | 	report_sql_error(&qe->condat, sql_connection, sql_command);
    1218 | 	return 0;
    1219 |     }
    1220 |     subcount = SQ_get_affected_rows(sql_connection);
    1221 |
    1222 |     if( subcount != 0 ) { /* domain exists in the database */
    1223 |
    1224 | 	/* referral check. Always done except for -R and INVERSE queries */
    1225 | 	if( qis->qc->R == 0 &&
    1226 | 	    Query[qi->queryindex].querytype != Q_INVERSE ) {
    1227 | 	    sprintf(sql_command, "SELECT type, port, host FROM %s ID, refer WHERE ID.id = refer.object_id", sub_table);
    1228 | 	    if( SQ_execute_query(sql_connection, sql_command,
    1229 | 				    &result_referrals) == -1)
    1230 |             {
    1231 | 	        *sql_error = SQ_errno(sql_connection);
    1232 | 	        report_sql_error(&qe->condat, sql_connection, sql_command);
    1233 | 		return 0;
    1234 |             }
    1235 | 	    refcount = SQ_num_rows(result_referrals);
    1236 | 	}
    1237 |
    1238 | 	/* if referral allowed and defined, even if domain was found but
    1239 | 	   contained referral - refer the query */
    1240 | 	if( refcount != 0 ) {
    1241 | 	    /* get the referral parameters from the first row
    1242 | 	       and perform it
    1243 | 	    */
    1244 |
    1245 | 	    row = SQ_row_next(result_referrals);
    1246 | 	    /* now: query for the original domain */
    1247 | 	    qi_prep_run_refer(domain,
    1248 | 			      qis, qe, qi, result_referrals, row, sourcename);
    1249 |
    1250 | 	    acc_credit->referrals -= 1;
    1251 | 	}
    1252 | 	else {
    1253 | 	    /* domain found
    1254 | 	       and (referral undefined  or  disabled by -R or inverse)
    1255 | 	       two possible outcomes depending on whether 'dot' is:
    1256 | 	       * the original search term -> pass what's in _S and quit
    1257 | 	       * a 'stripped' domain name -> return no result and quit
    1258 | 	    */
    1259 | 	    if( dot == domain ) {
    1260 | 		sprintf(sql_command, "INSERT INTO %s SELECT id FROM %s",
    1261 | 			id_table, sub_table);
    1262 | 		if (SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
    1263 | 		    *sql_error = SQ_errno(sql_connection);
    1264 | 	            report_sql_error(&qe->condat, sql_connection, sql_command);
    1265 | 		    return 0;
    1266 | 		}
    1267 | 		foundcount = SQ_get_affected_rows(sql_connection);
    1268 | 	    }
    1269 | 	}
    1270 | 	dot = NULL; /* don't make another round */
    1271 |     } /* a domain was found */
    1272 |
    1273 |     if( result_referrals != NULL ) {
    1274 | 	SQ_free_result(result_referrals);
    1275 | 	result_referrals = NULL;
    1276 |     }
    1277 |
    1278 |     if( dot != NULL && (dot=index(dot,'.')) != NULL) {
    1279 |       dot++;
    1280 |     }
    1281 |   }
    1282 |
    1283 |   return foundcount;
    1284 | } /* check_domain */
    1285 |
    1286 |
    1287 | /* add_ref_name */
    1288 | /*++++++++++++++++++++++++++++++++++++++
    1289 |
    1290 |   Creates a SQL query for a reference-by-name lookup. Uses standard name
    1291 |   lookup query generator (create_name_query), so the order of the names
    1292 |   doesn't matter.
    1293 |
    1294 |   SQ_connection_t *sql_connection   sql connection dedicated to this thread
    1295 |
    1296 |   char *rectable       table in which to look up
    1297 |
    1298 |   char *allnames       all name words to be looked up, space delimited.
    1299 |
    1300 | ++++++++++++++++++++++++++++++++++++++*/
    1301 | static
    1302 | int
    1303 | add_ref_name(SQ_connection_t *sql_connection,
    1304 | 	     char *rectable,
    1305 | 	     char *allnames,
    1306 | 	     sk_conn_st *condat
    1307 | 	     )
    1308 | {
    1309 |   /* construct the query, allow zero-length list */
    1310 |   if( strlen(allnames) > 0 ) {
    1311 |     char final_query[STR_XL];
    1312 |     char select_query[STR_XL];
    1313 |
    1314 |     create_name_query(select_query, "SELECT N00.object_id FROM %s WHERE %s "
    1315 | 		      "AND N00.object_type != 100 AND N00.thread_id = 0",
    1316 | 		      allnames);
    1317 |
    1318 |     sprintf(final_query, "INSERT INTO %s %s",
    1319 | 	    rectable,
    1320 | 	    select_query);
    1321 |
    1322 |     allnames[0]=0;
    1323 |
    1324 |     if (SQ_execute_query(sql_connection, final_query, NULL) == -1 ) {
    1325 |         report_sql_error(condat, sql_connection, final_query);
    1326 |         return SQ_errno(sql_connection);
    1327 |     }
    1328 |
    1329 |   }
    1330 |
    1331 |   return 0;
    1332 | }/* add_ref_name */
    1333 |
    1334 |
    1335 |
    1336 | /* qi_collect_ids */
    1337 | /*++++++++++++++++++++++++++++++++++++++
    1338 |
    1339 |   collects object ID's from all queries defined in the Query_instructions
    1340 |   array. The results from RADIX trees are maintained in a linked list, the
    1341 |   results from SQL lookups are kept in a temporary table. For domains,
    1342 |   a specific function is invoked that may run the referral.
    1343 |   Any sql lookup will be limited to the maximum number of objects allowed
    1344 |   for the client (acl and credit are checked for this).
    1345 |   The routine uses its own temporary _S table, destroyed at exit.
    1346 |
    1347 |   ca_dbSource_t *dbhdl              source-specific identifier (defined in CA)
    1348 |
    1349 |   char *sourcename                  name of the database "source"
    1350 |
    1351 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
    1352 |                                     (replaced on cancel)
    1353 |
    1354 |   Query_instructions *qis           original query instructions structure
    1355 |
    1356 |   Query_environ *qe                 original query environment structure
    1357 |
    1358 |   char *id_table                    the table to store the ID's found
    1359 |
    1360 |   GList **datlist                   the list  to store the Radix leaves found
    1361 |
    1362 |   acc_st *acc_credit                credit for this client
    1363 |
    1364 |   acl_st *acl                       acl for this client
    1365 |
    1366 |   ++++++++++++++++++++++++++++++++++++++*/
    1367 | static
    1368 | int
    1369 | qi_collect_ids(ca_dbSource_t *dbhdl,
    1370 | 	       char *sourcename,
    1371 | 	       SQ_connection_t **sql_connection,
    1372 | 	       Query_instructions *qis,
    1373 | 	       Query_environ *qe,
    1374 | 	       char *id_table,
    1375 | 	       GList **datlist,
    1376 | 	       acc_st *acc_credit,
    1377 | 	       acl_st *acl
    1378 | 	       )
    1379 | {
    1380 |   Query_instruction **ins=NULL;
    1381 |   int i;
    1382 |   int  count, errors=0;
    1383 |   char sql_command[STR_XL];
    1384 |   er_ret_t err;
    1385 |   char sub_table[32];
    1386 |   int limit ;
    1387 |              /* a limit on the max number of objects to be returned
    1388 | 		from a single search. For some queries the object types
    1389 | 		are not known at this stage, so the limit must be
    1390 | 		the higher number of the two: private / public,
    1391 | 		or unlimited if any of them is 'unlimited'.
    1392 | 	     */
    1393 |   char limit_str[32];
    1394 |   int sql_error;
    1395 |
    1396 |   if( (limit = AC_get_higher_limit(acc_credit,acl)) == -1) {
    1397 |     strcpy(limit_str,"");
    1398 |   } else {
    1399 |     sprintf(limit_str," LIMIT %d", limit+1); /* make sure we collect more
    1400 | 						so that the client hits
    1401 | 						the limit */
    1402 |   }
    1403 |
    1404 |   sprintf(sub_table, "%s_S ", id_table);
    1405 |
    1406 |   /* see if there was a leftover table from a crashed session
    1407 |    * (assume the ID cannot be currently in use)
    1408 |    *
    1409 |    * update: this can't ever happen with TEMPORARY tables, but we're going to
    1410 |    *         check for it anyway  - shane
    1411 |    */
    1412 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
    1413 |   if( SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1414 |       report_sql_error(&qe->condat, *sql_connection, sql_command);
    1415 |       return SQ_errno(*sql_connection);
    1416 |   }
    1417 |
    1418 |   /* create a table for special subqueries (domain only for now) */
    1419 |   sprintf(sql_command, "CREATE " TEMPORARY " TABLE %s ( id int ) TYPE=HEAP",
    1420 |     sub_table);
    1421 |   if( SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1422 |       report_sql_error(&qe->condat, *sql_connection, sql_command);
    1423 |       return SQ_errno(*sql_connection);
    1424 |   }
    1425 |
    1426 |   /* Iterate through query instructions */
    1427 |   ins = qis->instruction;
    1428 |   sql_error = 0;
    1429 |   for (i=0; ins[i] != NULL && errors == 0; i++) {
    1430 |     Query_instruction *qi = ins[i];
    1431 |
    1432 |     /* check if the client is still there */
    1433 |     if( qe->condat.rtc ) {
    1434 |       break;
    1435 |     }
    1436 |
    1437 |     switch ( qi->search_type ) {
    1438 |     case R_SQL:
    1439 |       if ( qi->query_str != NULL ) {
    1440 |
    1441 | 	/* handle special cases first */
    1442 | 	if( Query[qi->queryindex].class == C_DN
    1443 | 	    && Query[qi->queryindex].querytype == Q_LOOKUP ) {
    1444 |
    1445 | 	  /* if any more cases than just domain appear, we will be
    1446 | 	     cleaning the _S table from the previous query here
    1447 |
    1448 | 	     "DELETE FROM %s_S"
    1449 | 	  */
    1450 |
    1451 | 	  count = qi_collect_domain(sourcename, *sql_connection, id_table,
    1452 | 				    sub_table, qis, qe, qi, acc_credit,
    1453 | 				    &sql_error);
    1454 | 	} /* if class DN and Straight lookup */
    1455 | 	else {
    1456 | 	  /* any other class of query */
    1457 |
    1458 | 	  sprintf(sql_command, "INSERT INTO %s %s %s",
    1459 | 		  id_table, qi->query_str, limit_str);
    1460 |
    1461 | 	  if(sql_execute_watched( &(qe->condat), sql_connection,
    1462 | 				  sql_command, NULL) == -1 ) {
    1463 | 	    errors++;
    1464 | 	    sql_error = SQ_errno(*sql_connection);
    1465 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1466 | 	  }
    1467 | 	  count = SQ_get_affected_rows(*sql_connection);
    1468 | 	} /* not DN */
    1469 |       } /* if SQL query not NULL */
    1470 |
    1471 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1472 | 		"%d entries added in %s query for %s",
    1473 | 		count, Query[qi->queryindex].descr, qis->qc->keys
    1474 | 		);
    1475 |       break;
    1476 |
    1477 |     case R_RADIX:
    1478 |
    1479 |
    1480 |       err = RP_asc_search(qi->rx_srch_mode, qi->rx_par_a, 0,
    1481 | 			  qi->rx_keys, dbhdl,
    1482 | 			  Query[qi->queryindex].attribute,
    1483 | 			  datlist, limit);
    1484 |
    1485 |
    1486 |       if( NOERR(err)) {
    1487 | 	if( ER_is_traced(FAC_QI, ASP_QI_COLL_DET ) ) {
    1488 | 	  /* prevent unnecessary g_list_length call */
    1489 |
    1490 | 	  ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1491 | 		    "%d entries after %s (mode %d par %d reg %d) query for %s",
    1492 | 		    g_list_length(*datlist),
    1493 | 		    Query[qi->queryindex].descr,
    1494 | 		    qi->rx_srch_mode, qi->rx_par_a,
    1495 | 		    dbhdl,
    1496 | 		    qi->rx_keys);
    1497 | 	}
    1498 |       }
    1499 |       else {
    1500 | 	ER_inf_va(FAC_QI, ASP_QI_COLL_DET,
    1501 | 		  "RP_asc_search returned %x ", err);
    1502 |       }
    1503 |       break;
    1504 |
    1505 |     default: die;
    1506 |     } /* switch */
    1507 |
    1508 |   } /* for <every instruction> */
    1509 |
    1510 |   /* Now drop the _S table */
    1511 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
    1512 |   if(SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1513 |       report_sql_error(&qe->condat, *sql_connection, sql_command);
    1514 |       return SQ_errno(*sql_connection);
    1515 |   }
    1516 |
    1517 |   /* return success */
    1518 |   return sql_error;
    1519 | }
    1520 |
    1521 | /* qi_fetch_references */
    1522 | /*++++++++++++++++++++++++++++++++++++++
    1523 |
    1524 |   given the list of object ID's collects the references from these objects
    1525 |   to person and role objects. Uses its own temporary SQL table (_R)
    1526 |   and upon completion transfers the results from it to the main
    1527 |   temporary table. Runs queries in watched mode, to be able to cancel them.
    1528 |
    1529 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
    1530 |                                     (replaced on cancel)
    1531 |
    1532 |   Query_environ *qe                 original query environment structure
    1533 |
    1534 |   char *id_table                    the table with the ID's found
    1535 |
    1536 |   acc_st *acc_credit                credit for this client
    1537 |
    1538 |   acl_st *acl                       acl for this client
    1539 |
    1540 | ++++++++++++++++++++++++++++++++++++++*/
    1541 | static
    1542 | int
    1543 | qi_fetch_references(SQ_connection_t **sql_connection,
    1544 | 		    Query_environ *qe,
    1545 | 		    char *id_table,
    1546 | 		    acc_st *acc_credit,
    1547 | 		    acl_st *acl
    1548 | 		    )
    1549 | {
    1550 |     char rec_table[32];
    1551 |     SQ_result_set_t *result = NULL;
    1552 |     SQ_row_t *row;
    1553 |     int thisid = 0;
    1554 |     int oldid = 0;
    1555 |     char allnames[STR_L];
    1556 |     char sql_command[STR_XL];
    1557 |     int sql_error;
    1558 |
    1559 |     /* use sql_error to flag errors */
    1560 |     sql_error = 0;
    1561 |
    1562 |     sprintf(rec_table, "%s_R", id_table);
    1563 |
    1564 |     /* see if there was a leftover table from a crashed session
    1565 |      * (assume the ID cannot be currently in use)
    1566 |      */
    1567 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s ", rec_table);
    1568 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
    1569 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
    1570 |         return SQ_errno(*sql_connection);
    1571 |     }
    1572 |
    1573 |     /* a temporary table for recursive data must be created, because
    1574 |        a query using the same table as a source and target is illegal
    1575 |        ( like: INSERT into ID_123 SELECT * FROM ID_123,admin_c WHERE ... )
    1576 |     */
    1577 |     sprintf(sql_command,
    1578 |      "CREATE " TEMPORARY " TABLE %s ( id int PRIMARY KEY NOT NULL ) TYPE=HEAP",
    1579 |      rec_table);
    1580 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
    1581 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
    1582 |         return SQ_errno(*sql_connection);
    1583 |     }
    1584 |
    1585 |     /* from this point on, we can't just return on error, because
    1586 |        we need to insure the table we just created gets dropped */
    1587 |
    1588 |     /* find the contacts */
    1589 |     sprintf(sql_command, Q_REC, rec_table, id_table, "author");
    1590 |     if (sql_execute_watched( &(qe->condat), sql_connection, sql_command, NULL)
    1591 |         == -1)
    1592 |     {
    1593 |         sql_error = SQ_errno(*sql_connection);
    1594 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
    1595 |     }
    1596 |
    1597 |     if (!sql_error) {
    1598 |         sprintf(sql_command, Q_REC, rec_table, id_table, "admin_c");
    1599 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1600 | 	    NULL) == -1)
    1601 |         {
    1602 | 	    sql_error = SQ_errno(*sql_connection);
    1603 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1604 | 	}
    1605 |     }
    1606 |
    1607 |     if (!sql_error) {
    1608 |         sprintf(sql_command, Q_REC, rec_table, id_table, "tech_c");
    1609 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1610 | 	    NULL) == -1)
    1611 |         {
    1612 | 	    sql_error = SQ_errno(*sql_connection);
    1613 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1614 | 	}
    1615 |     }
    1616 |
    1617 |     if (!sql_error) {
    1618 |         sprintf(sql_command, Q_REC, rec_table, id_table, "zone_c");
    1619 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1620 | 	    NULL) == -1)
    1621 |         {
    1622 | 	    sql_error = SQ_errno(*sql_connection);
    1623 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1624 | 	}
    1625 |     }
    1626 |
    1627 |     /* replace references to dummies by references by name */
    1628 |     if (!sql_error) {
    1629 |         sprintf(sql_command,
    1630 | 	    " SELECT id, name    FROM %s IDS STRAIGHT_JOIN names "
    1631 | 	    " WHERE IDS.id = names.object_id "
    1632 | 	    "      AND names.object_type = 100"
    1633 | 	    " ORDER BY id",
    1634 | 	    rec_table);
    1635 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1636 | 	    &result) == -1)
    1637 |         {
    1638 | 	    sql_error = SQ_errno(*sql_connection);
    1639 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1640 | 	}
    1641 |     }
    1642 |
    1643 |     /* well, it might not be -1, but if the watchdog worked then the
    1644 |        result is NULL */
    1645 |     if (!sql_error && (result != NULL)) {
    1646 |
    1647 |       allnames[0]=0;
    1648 |       /* now go through the results and collect names */
    1649 |       while ( !sql_error &&
    1650 |               (qe->condat.rtc == 0) &&
    1651 | 	      (row = SQ_row_next(result)) != NULL )
    1652 |       {
    1653 | 	char *id   = SQ_get_column_string(result, row, 0);
    1654 | 	char *name = SQ_get_column_string(result, row, 1);
    1655 |
    1656 | 	thisid = atoi(id);
    1657 |
    1658 | 	/* when the id changes, the name is complete */
    1659 | 	if( thisid != oldid && oldid != 0 ) {
    1660 | 	    sql_error = add_ref_name( *sql_connection, rec_table, allnames,
    1661 |  	                              &qe->condat);
    1662 | 	}
    1663 |
    1664 | 	strcat(allnames, name);
    1665 | 	strcat(allnames, " ");
    1666 | 	oldid = thisid;
    1667 | 	wr_free(id);
    1668 | 	wr_free(name);
    1669 |       }
    1670 |       /* also do the last name */
    1671 |       if (!sql_error) {
    1672 |           sql_error = add_ref_name( *sql_connection, rec_table, allnames,
    1673 | 	                            &qe->condat);
    1674 |       }
    1675 |
    1676 |       SQ_free_result(result); /* we can do it only because the watchdog */
    1677 |       /* has not started between the check for non-NULL result and here */
    1678 |     }
    1679 |
    1680 |     /* if we've lost connection, don't bother with this extra work */
    1681 |     if (!sql_error && (qe->condat.rtc == 0)) {
    1682 |         /* now copy things back to the main temporary table   */
    1683 |         sprintf(sql_command, "INSERT INTO %s SELECT * FROM %s",
    1684 | 	       id_table, rec_table);
    1685 |         if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1686 | 	    sql_error = SQ_errno(*sql_connection);
    1687 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1688 | 	}
    1689 |     }
    1690 |
    1691 |     /* Now drop the IDS recursive table (try to do this even if
    1692 |        we had an SQL error, to avoid leaving extra tables lying around) */
    1693 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s", rec_table);
    1694 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1695 |         sql_error = SQ_errno(*sql_connection);
    1696 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
    1697 |     }
    1698 |
    1699 |     /* return error, if any */
    1700 |     return sql_error;
    1701 | }
    1702 | /* qi_fetch_references */
    1703 |
    1704 |
    1705 | /* QI_execute() */
    1706 | /*++++++++++++++++++++++++++++++++++++++
    1707 |   Execute the query instructions.  This is called for each source.
    1708 |   This is linked into MySQL by the fact that MySQL doesn't have sub selects
    1709 |  (yet).  The queries are done in two stages.  Make some temporary tables and
    1710 |   insert into them.  Then use them in the next select.
    1711 |
    1712 |
    1713 |   ca_dbSource_t *dbhdl            source-specific identifier (defined in CA)
    1714 |
    1715 |   Query_instructions *qis         query instructions.
    1716 |
    1717 |   Query_environ *qe               query environment.
    1718 |
    1719 |   acc_st *acc_credit              object display credit
    1720 |
    1721 |   acl_st *acl                     copy of the original acl for this client
    1722 |
    1723 |   More:
    1724 |   +html+ <PRE>
    1725 |   Authors:
    1726 |         ottrey - original version,
    1727 | 	marek - the rest.
    1728 |   +html+ </PRE>
    1729 | ++++++++++++++++++++++++++++++++++++++*/
    1730 | er_ret_t QI_execute(ca_dbSource_t *dbhdl,
    1731 | 		    Query_instructions *qis,
    1732 | 		    Query_environ *qe,
    1733 | 		    acc_st *acc_credit,
    1734 | 		    acl_st *acl
    1735 | 		    )
    1736 | {
    1737 |   /* those things must be freed after use! */
    1738 |   char *dbhost = ca_get_srcdbmachine(dbhdl);
    1739 |   char *dbname = ca_get_srcdbname(dbhdl);
    1740 |   char *dbuser = ca_get_srcdbuser(dbhdl);
    1741 |   char *dbpass = ca_get_srcdbpassword(dbhdl);
    1742 |   char *srcnam;
    1743 |   unsigned dbport = ca_get_srcdbport(dbhdl);
    1744 |   char id_table[STR_S];
    1745 |   char sql_command[STR_XL];
    1746 |   GList *datlist=NULL;
    1747 |   SQ_connection_t *sql_connection=NULL;
    1748 |   int sql_error;
    1749 |
    1750 |   sql_connection = SQ_get_connection( dbhost, dbport,
    1751 | 				      dbname, dbuser, dbpass );
    1752 |   /* free parameters when done */
    1753 |   wr_free(dbhost);
    1754 |   wr_free(dbuser);
    1755 |   wr_free(dbpass);
    1756 |
    1757 |   /* return error if occurred */
    1758 |   if (sql_connection == NULL) {
    1759 |     ER_perror(FAC_QI, QI_CANTDB," database='%s' [%d] %s",
    1760 | 	      dbname, SQ_errno(sql_connection), SQ_error(sql_connection));
    1761 |     wr_free(dbname);
    1762 |     return QI_CANTDB;
    1763 |   }
    1764 |   wr_free(dbname);
    1765 |
    1766 |   /* from here on out, we use the sql_error flag to verify our
    1767 |      connection to the SQL database is still good */
    1768 |   sql_error = 0;
    1769 |
    1770 |   sprintf(id_table, "ID_%ld_%d",   mysql_thread_id(sql_connection),
    1771 | 	  pthread_self());
    1772 |
    1773 |   /* see if there was a leftover table from a crashed session
    1774 |    * (assume the ID cannot be currently in use)
    1775 |    */
    1776 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
    1777 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
    1778 |       sql_error = SQ_errno(sql_connection);
    1779 |       report_sql_error(&qe->condat, sql_connection, sql_command);
    1780 |   }
    1781 |
    1782 |   /* create a table for id's of all objects found NOT NULL , UNIQUE(id) */
    1783 |   if (!sql_error) {
    1784 |       sprintf(sql_command,
    1785 |               "CREATE " TEMPORARY
    1786 | 	      " TABLE %s ( id INT PRIMARY KEY NOT NULL ) TYPE=HEAP", id_table);
    1787 |       if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
    1788 |           sql_error = SQ_errno(sql_connection);
    1789 |           report_sql_error(&qe->condat, sql_connection, sql_command);
    1790 |       }
    1791 |   }
    1792 |
    1793 |   if (!sql_error) {
    1794 |       srcnam = ca_get_srcname(dbhdl);
    1795 |       sql_error = qi_collect_ids(dbhdl, srcnam, &sql_connection, qis, qe,
    1796 |                                  id_table, &datlist, acc_credit, acl);
    1797 |       wr_free(srcnam);
    1798 |   }
    1799 |
    1800 |   /* post-processing */
    1801 |   if (!sql_error && (qis->filtered == 0)) {
    1802 |       /* start the watchdog just to set the rtc flag */
    1803 |       SK_watch_setclear(&(qe->condat));
    1804 |       SK_watchstart(&(qe->condat));
    1805 |
    1806 |       /* add radix results (only if -K is not active and still connected) */
    1807 |       if (qe->condat.rtc == 0) {
    1808 |           sql_error = insert_radix_serials(&(qe->condat),
    1809 | 	                                   sql_connection,
    1810 | 	                                   id_table,
    1811 | 					   datlist);
    1812 |       }
    1813 |
    1814 |       SK_watchstop(&(qe->condat));
    1815 |   }
    1816 |
    1817 |   /* fetch recursive objects (ac,tc,zc,ah) */
    1818 |   if (!sql_error && qis->recursive && (qe->condat.rtc == 0)) {
    1819 |       sql_error = qi_fetch_references(&sql_connection,
    1820 |                                       qe,
    1821 | 				      id_table,
    1822 | 				      acc_credit,
    1823 | 				      acl);
    1824 |   } /* if recursive */
    1825 |
    1826 |   /* display */
    1827 |   /* -K filtering:
    1828 |    * right now only filtering, no expanding sets like write_set_objects()
    1829 |    */
    1830 |
    1831 |   /* display the immediate data from the radix tree */
    1832 |   if (!sql_error && (qis->filtered == 1)) {
    1833 |     write_radix_immediate(datlist, &(qe->condat), acc_credit, acl );
    1834 |   }
    1835 |
    1836 |   /* display objects from the IDs table */
    1837 |   if (!sql_error) {
    1838 |       sql_error = write_objects( &sql_connection, id_table, qis->filtered,
    1839 | 		                qis->fast, &(qe->condat), acc_credit, acl);
    1840 |   }
    1841 |
    1842 |   /* drop the table */
    1843 |   /* try to do this, even if there is an SQL error */
    1844 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
    1845 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
    1846 |       sql_error = SQ_errno(sql_connection);
    1847 |       report_sql_error(&qe->condat, sql_connection, sql_command);
    1848 |   }
    1849 |
    1850 |   /* Now disconnect (temporary tables get dropped automatically) */
    1851 |   SQ_close_connection(sql_connection);
    1852 |
    1853 |   /* return appropriate value */
    1854 |   if (sql_error) {
    1855 |      return QI_SQLERR;
    1856 |   } else {
    1857 |      return QI_OK;
    1858 |   }
    1859 | } /* QI_execute() */
    1860 |
    1861 |
    1862 | /* instruction_free() */
    1863 | /*++++++++++++++++++++++++++++++++++++++
    1864 |   Free the instruction.
    1865 |
    1866 |   Query_instruction *qi query_instruction to be freed.
    1867 |
    1868 |   More:
    1869 |   +html+ <PRE>
    1870 |   Authors:
    1871 |         ottrey
    1872 |   +html+ </PRE>
    1873 |   ++++++++++++++++++++++++++++++++++++++*/
    1874 | static void instruction_free(Query_instruction *qi) {
    1875 |   if (qi != NULL) {
    1876 |     if (qi->query_str != NULL) {
    1877 |       wr_free(qi->query_str);
    1878 |     }
    1879 |     wr_free(qi);
    1880 |   }
    1881 | } /* instruction_free() */
    1882 |
    1883 | /* QI_free() */
    1884 | /*++++++++++++++++++++++++++++++++++++++
    1885 |   Free the query_instructions.
    1886 |
    1887 |   Query_instructions *qis Query_instructions to be freed.
    1888 |
    1889 |   More:
    1890 |   +html+ <PRE>
    1891 |   Authors:
    1892 |         ottrey, marek
    1893 |   +html+ </PRE>
    1894 |   ++++++++++++++++++++++++++++++++++++++*/
    1895 | void QI_free(Query_instructions *qis) {
    1896 |   int i;
    1897 |
    1898 |   for (i=0; qis->instruction[i] != NULL; i++) {
    1899 |     instruction_free(qis->instruction[i]);
    1900 |   }
    1901 |
    1902 |   if (qis != NULL) {
    1903 |     wr_free(qis);
    1904 |   }
    1905 |
    1906 | } /* QI_free() */
    1907 |
    1908 | /*++++++++++++++++++++++++++++++++++++++
    1909 |   Determine if this query should be conducted or not.
    1910 |
    1911 |   If it was an inverse query - if the attribute appears in the query command's bitmap.
    1912 |   If it was a lookup query - if the attribute appears in the object type bitmap or
    1913 |                              disregard if there is no object_type bitmap (Ie object filter).
    1914 |
    1915 |   mask_t bitmap The bitmap of attribute to be converted.
    1916 |
    1917 |   const Query_command *qc  The query_command that the instructions are created
    1918 |                            from.
    1919 |
    1920 |   const Query_t q          The query being considered.
    1921 |   +html+ <PRE>
    1922 |   Authors:
    1923 |         ottrey,
    1924 | 	marek.
    1925 |   +html+ </PRE>
    1926 |   ++++++++++++++++++++++++++++++++++++++*/
    1927 | static int valid_query(const Query_command *qc, const Query_t q) {
    1928 |   int result=0;
    1929 |
    1930 |   if (MA_isset(qc->keytypes_bitmap, q.keytype) == 1) {
    1931 |     if (q.query != NULL) {
    1932 |       switch (q.querytype) {
    1933 |         case Q_INVERSE:
    1934 |           if (MA_isset(qc->inv_attrs_bitmap, q.attribute) ) {
    1935 |             result = 1;
    1936 |           }
    1937 |         break;
    1938 |
    1939 |         case Q_LOOKUP:
    1940 | 	  if (q.class == C_ANY
    1941 | 	      || MA_isset(qc->object_type_bitmap, (unsigned) q.class)) {
    1942 |             result=1;
    1943 |           }
    1944 |         break;
    1945 |
    1946 |         default:
    1947 |           /* XXX */fprintf(stderr, "qi:valid_query() -> Bad querytype\n");
    1948 |       }
    1949 |     }
    1950 |   }
    1951 |
    1952 |   return result;
    1953 | } /* valid_query() */
    1954 |
    1955 | /* QI_new() */
    1956 | /*++++++++++++++++++++++++++++++++++++++
    1957 |   Create a new set of query_instructions. Returns an allocated structure which
    1958 |   must be freed after use with QI_free().
    1959 |
    1960 |   const Query_command *qc The query_command that the instructions are created
    1961 |                           from.
    1962 |
    1963 |   const Query_environ *qe The environmental variables that they query is being
    1964 |                           performed under.
    1965 |
    1966 |   +html+ <PRE>
    1967 |   Authors:
    1968 |         ottrey,
    1969 | 	marek.
    1970 |   +html+ </PRE>
    1971 |   ++++++++++++++++++++++++++++++++++++++*/
    1972 | Query_instructions *QI_new(const Query_command *qc, const Query_environ *qe) {
    1973 |   Query_instructions *qis=NULL;
    1974 |   Query_instruction *qi=NULL;
    1975 |   int i_no=0;
    1976 |   int i;
    1977 |   char *query_str;
    1978 |
    1979 |   dieif(wr_calloc( (void **) & qis, 1, sizeof(Query_instructions)) != UT_OK);
    1980 |
    1981 |   qis->filtered = qc->filtered;
    1982 |   qis->fast = qc->fast;
    1983 |   qis->recursive = qc->recursive;
    1984 |   qis->qc = (qc);
    1985 |
    1986 |
    1987 |   for (i=0; Query[i].query != NULL; i++) {
    1988 |
    1989 |     /* If a valid query. */
    1990 |     if ( valid_query(qc, Query[i]) == 1) {
    1991 |
    1992 |       dieif( wr_calloc((void **) &qi, 1, sizeof(Query_instruction)) != UT_OK);
    1993 |
    1994 |       qi->queryindex = i;
    1995 |
    1996 |       /* SQL Query */
    1997 |       if ( Query[i].refer == R_SQL) {
    1998 |         qi->search_type = R_SQL;
    1999 |         query_str = create_query(Query[i], qc);
    2000 |
    2001 |         if (query_str!= NULL) {
    2002 |           qi->query_str = query_str;
    2003 |           qis->instruction[i_no++] = qi;
    2004 |         }
    2005 |       }
    2006 |       /* Radix Query */
    2007 |       else if (Query[i].refer == R_RADIX) {
    2008 |         qi->search_type = R_RADIX;
    2009 |
    2010 |         if (map_qc2rx(qi, qc) == 1) {
    2011 | 	  int j;
    2012 | 	  int found=0;
    2013 |
    2014 |           /* check that there is no such query yet, for example if
    2015 | 	     more than one keytype (wk) matched */
    2016 | 	  for (j=0; j<i_no; j++) {
    2017 | 	    Query_instruction *qij = qis->instruction[j];
    2018 |
    2019 | 	    if(    qij->search_type == R_RADIX
    2020 | 		   && Query[qij->queryindex].attribute
    2021 | 		   == Query[qi ->queryindex].attribute) {
    2022 |
    2023 |               found=1;
    2024 |               break;
    2025 |             }
    2026 |           }
    2027 |
    2028 |           if ( found ) {
    2029 |             /* Discard the Query Instruction */
    2030 |             wr_free(qi);
    2031 |           }
    2032 |           else {
    2033 |             /* Add the query_instruction to the array */
    2034 |             qis->instruction[i_no++] = qi;
    2035 |           }
    2036 |         }
    2037 |       }
    2038 |       else {
    2039 | 	  /* ERROR: bad search_type */
    2040 | 	  die;
    2041 |       }
    2042 |     }
    2043 |   }
    2044 |   qis->instruction[i_no++] = NULL;
    2045 |
    2046 |
    2047 |   {  /* tracing */
    2048 |       char *descrstr = QI_queries_to_string(qis);
    2049 |
    2050 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_GEN, "Queries: %s", descrstr );
    2051 |       wr_free( descrstr );
    2052 |   }
    2053 |
    2054 |   return qis;
    2055 |
    2056 | } /* QI_new() */
    2057 |
    2058 |
    2059 |
    2060 |
    2061 |
    2062 | /*++++++++++++++++++++++++++++++++++++++
    2063 |
    2064 |   char *QI_queries_to_string    returns a list of descriptions for queries
    2065 |                                 that will be performed (debugging only).
    2066 | 				Allocated text, must be freed after use.
    2067 |
    2068 |   Query_instructions *qis       query instructions structure
    2069 |
    2070 |   Author:
    2071 |      marek.
    2072 |   ++++++++++++++++++++++++++++++++++++++*/
    2073 |
    2074 | char *QI_queries_to_string(Query_instructions *qis)
    2075 | {
    2076 |    Query_instruction *qi;
    2077 |    int i;
    2078 |    char *resstr = NULL;
    2079 |
    2080 |    dieif( wr_realloc((void **)&resstr, 2 ) != UT_OK);
    2081 |    strcpy(resstr, "{");
    2082 |
    2083 |    for( i = 0; ( qi=qis->instruction[i] ) != NULL;  i++ ) {
    2084 |        char *descr = Query[qi->queryindex].descr;
    2085 |        int oldres = strlen( resstr );
    2086 |
    2087 |        dieif( wr_realloc((void **)&resstr, oldres+strlen(descr)+2) != UT_OK);
    2088 |        strcat(resstr, descr);
    2089 |        strcat(resstr, ",");
    2090 |    }
    2091 |    if( i>0 ) {
    2092 |        /* cancel the last comma */
    2093 |        resstr[strlen(resstr)-1] = 0;
    2094 |    }
    2095 |
    2096 |    dieif( wr_realloc((void **)&resstr, strlen( resstr ) + 2 )
    2097 | 	  != UT_OK);
    2098 |    strcat(resstr, "}");
    2099 |
    2100 |    return resstr;
    2101 | }