Source File qi/query_instructions.c

    1    | /***************************************
    2    |   $Revision: 1.96 $
    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   | /* maximum number of names to query for */
    41   | /*   MySQL only allows 31 tables in a single query, so this limits us */
    42   | /*   As of 2002-03-04 the most names in a person object are 14 */
    43   | #define MAX_NAMES 30
    44   |
    45   | /* the TEMPORARY table is only available in 3.23 or later MySQL */
    46   | #if MYSQL_VERSION_ID >= 32300
    47   | #define USE_TEMPORARY_TABLE
    48   | #endif
    49   |
    50   | /* string to stick in CREATE TABLE statments */
    51   | #ifdef USE_TEMPORARY_TABLE
    52   | #define TEMPORARY "TEMPORARY"
    53   | #else
    54   | #define TEMPORARY ""
    55   | #endif
    56   |
    57   | /*++++++++++++++++++++++++++++++++++++++
    58   |   Function invoked on query cancellation by the watchdog,
    59   |   used from the sql_execute_watched() function.
    60   |
    61   |   It aborts the running query (the abort function in sq kills and
    62   |   reestablished the connection).
    63   |
    64   |   void *qi_kill_body         result of sq_execute_query, int cast to (void*)
    65   |
    66   |   void *arg                  pointer to sql connection
    67   |
    68   |   Author:
    69   |     marek.
    70   |
    71   |   ++++++++++++++++++++++++++++++++++++++*/
    72   | static
    73   | void *qi_kill_body(void *arg)
    74   | {
    75   |   SQ_connection_t *sql_connection = arg;
    76   |   ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    77   | 	      "rtc: killing SQL connection %d", (sql_connection)->thread_id);
    78   |   /* abort the running query */
    79   |   SQ_abort_query(sql_connection);
    80   |
    81   |   return NULL;
    82   | }
    83   |
    84   |
    85   |
    86   | /*++++++++++++++++++++++++++++++++++++++
    87   |   wrapper around sq_execute_query: starts a query
    88   |   in a separate thread and starts the socket watchdog to cancel the query
    89   |   if the socket is closed. If the socket has problems already (its
    90   |   reason-to-close flag is set) no query is attempted.
    91   |
    92   |   The execution of the query or watchdog is not guaranteed at all!
    93   |
    94   |   int sql_execute_watched        Returns the return code of SQ_execute_query,
    95   |                                  Returns 0 for cancelled queries.
    96   |
    97   |   sk_conn_st *condat             connection to watch
    98   |
    99   |   SQ_connection_t **sql_connection  sql connection
    100  |
    101  |   const char *query                 sql query to execute
    102  |
    103  |   SQ_result_set_t **result_ptr      storage for the query result structure
    104  |                                     (passed to SQ_execute_query). Must either
    105  | 				    be NULL, or the pointer it points to must
    106  | 				    be NULL - in that case the result struct.
    107  | 				    will be allocated in SQ.
    108  |
    109  |   Author:
    110  |     marek.
    111  |   ++++++++++++++++++++++++++++++++++++++*/
    112  | int sql_execute_watched(sk_conn_st *condat, SQ_connection_t **sql_connection,
    113  | 			const char *query, SQ_result_set_t **result_ptr)
    114  | {
    115  |   int retval = 0; /* return value of sq_execute_query */
    116  |   SQ_connection_t *tempcon;
    117  |
    118  |   /* assert that, if defined, result_ptr is initialised to NULL
    119  |      prior to calling this function */
    120  |   if( result_ptr != NULL ) {
    121  |     dieif( *result_ptr != NULL );
    122  |   }
    123  |
    124  |   /* don't even try to perform the query/fire up watchdog
    125  |      if rtc is already set. Do this only if not set yet. */
    126  |   if( condat->rtc == 0 ) {
    127  |
    128  |     /* make clean */
    129  |     SK_watch_setclear(condat);
    130  |
    131  |     /* set watchdog to execute the abort function */
    132  |     SK_watch_setexec(condat, qi_kill_body, *sql_connection);
    133  |
    134  |     /* start the watchdog */
    135  |     SK_watchstart(condat);
    136  |
    137  |     /* start query. An error may be returned if the query is aborted */
    138  |     retval = SQ_execute_query(*sql_connection, query, result_ptr);
    139  |
    140  |     /* but short queries will complete before the watchdog kills the
    141  |        connection */
    142  |
    143  |     SK_watchstop(condat);
    144  |
    145  |
    146  |     /* if the watchdog triggered, then it is guaranteed that
    147  |        the kill_body function was invoked and therefore the sql-connection
    148  |        is now unusable...
    149  |        Close and reopen it for cleanup, use temporary connection
    150  |        to keep the login details */
    151  |     if( condat->rtc != 0 ) {
    152  |       /* can't rely on the error code from mysql!
    153  |        */
    154  |
    155  |       /* one thing: this code must be entered ONLY if the kill_body
    156  | 	 thing was invoked by the watchdog.
    157  |       */
    158  |
    159  |       /* if result is defined, free it here before destroying the
    160  | 	 associated connection */
    161  |       if( retval == 0 && result_ptr && *result_ptr ) {
    162  | 	SQ_free_result( *result_ptr );
    163  | 	*result_ptr = NULL;
    164  |       }
    165  |
    166  |       tempcon = SQ_duplicate_connection(*sql_connection);
    167  |
    168  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    169  | 		"rtc: closing SQL thread %d", (*sql_connection)->thread_id);
    170  |       SQ_close_connection(*sql_connection);
    171  |
    172  |       *sql_connection = tempcon;
    173  |       ER_dbg_va(FAC_QI, ASP_QI_WATCH,
    174  | 		"rtc: reopened as thread %d", (*sql_connection)->thread_id);
    175  |
    176  |       /* make it look as if there was no error and
    177  | 	 the result is empty */
    178  |       retval = 0;
    179  |     } /* if watchdog set rtc */
    180  |
    181  |   } /* if rtc not set before */
    182  |
    183  |   return retval;
    184  | }
    185  |
    186  | /* create_name_query() */
    187  | /*++++++++++++++++++++++++++++++++++++++
    188  |   Create an sql query for the names table.
    189  |
    190  |   char *query_str
    191  |
    192  |   const char *sql_query
    193  |
    194  |   const char *keys
    195  |
    196  |   More:
    197  |   +html+ <PRE>
    198  |   Authors:
    199  |     ottrey
    200  |   +html+ </PRE>
    201  |   ++++++++++++++++++++++++++++++++++++++*/
    202  | static void create_name_query(GString *query_str, const char *sql_query, const char *keys) {
    203  |   int i;
    204  |   /* Allocate stuff - use dynamic strings (initialised to some length) */
    205  |   GString *from_clause = g_string_sized_new(STR_L);
    206  |   GString *where_clause = g_string_sized_new(STR_L);
    207  |   gchar **words = g_strsplit(keys, " ", 0);
    208  |
    209  |   /* double quotes " are used in queries to allow querying for
    210  |      names like O'Hara */
    211  |
    212  |   if (words[0] != NULL) {
    213  |     g_string_sprintfa(from_clause, "names N%.2d", 0);
    214  |     g_string_sprintfa(where_clause, "N%.2d.name=\"%s\"", 0, words[0]);
    215  |
    216  |     for (i=1; (i < MAX_NAMES) && (words[i] != NULL); i++) {
    217  |       g_string_sprintfa(from_clause, ", names N%.2d", i);
    218  |       g_string_sprintfa(where_clause,
    219  |           " AND N%.2d.name=\"%s\" AND N00.object_id = N%.2d.object_id",
    220  |           i, words[i], i);
    221  |     }
    222  |   }
    223  |
    224  |   g_string_sprintf(query_str, sql_query, from_clause->str, where_clause->str);
    225  |
    226  |   /* Free up stuff */
    227  |   g_strfreev(words);
    228  |   g_string_free(where_clause,/* CONSTCOND */ TRUE);
    229  |   g_string_free(from_clause, /* CONSTCOND */ TRUE);
    230  |
    231  | } /* create_name_query() */
    232  |
    233  |
    234  | /*++++++++++++++++++++++++++++++++++++++
    235  |   construct a range query for the as_block table
    236  |   (a query for an AS block object) given a string like:
    237  |   AS1
    238  |   AS1 - AS10
    239  |   AS1-AS10
    240  |
    241  |   int create_asblock_query    Returns 0 on success, -1 on failure
    242  |                              (search term not an AS# nor range)
    243  |
    244  |   char *query_str             buffer for the final query (must be big enough)
    245  |
    246  |   const char *sql_query       rest of the sql query (with %d %d formats for
    247  |                               AS numbers)
    248  |
    249  |   const char *keys            user-supplied search term.
    250  |
    251  |   Author:
    252  |     marek
    253  |   ++++++++++++++++++++++++++++++++++++++*/
    254  | static int create_asblock_query(GString *query_str,
    255  | 				const char *sql_query,
    256  | 				const char *keys) {
    257  |   char *keycopy = wr_string(keys);
    258  |   char *token, *cursor = keycopy;
    259  |   int  asnums[2] = {0,0};
    260  |   int index = 0; /* index into the asnums array */
    261  |
    262  |
    263  |   while( (token = strsep( &cursor, "-" )) != NULL && index < 2) {
    264  |     /* discard the letters (or leading whitespace), take the number */
    265  |     if( sscanf(token, "%*[ AS]%d", &asnums[index++]) < 1 ) {
    266  |       return -1; /* error */
    267  |     }
    268  |   }
    269  |   /* if only beginning was supplied, copy it as end */
    270  |   if( index == 1 ) {
    271  |     asnums[1] = asnums[0];
    272  |   }
    273  |
    274  |   /* now construct the query */
    275  |   g_string_sprintf(query_str, sql_query, asnums[0], asnums[1]);
    276  |
    277  |   UT_free(keycopy);
    278  |   return 0;
    279  | }
    280  |
    281  |
    282  | /*++++++++++++++++++++++++++++++++++++++
    283  |   add_filter(): construct a query to limit the objects returned from the last
    284  |   table to predefined types.
    285  |
    286  |   char *query_str           buffer for the final query, containing the initial
    287  |                             part of the query (must be big enough)
    288  |
    289  |   const Query_command *qc   query command structure with the bitmap of
    290  |                             object types to be included.
    291  |
    292  |   Author:
    293  |     ottrey.
    294  |   ++++++++++++++++++++++++++++++++++++++*/
    295  | static void add_filter(GString *query_str, const Query_command *qc)
    296  | {
    297  |   unsigned i;
    298  | /*  int qlen;*/
    299  |   char filter_atom[STR_M];
    300  |
    301  | #if 0
    302  |   /* glib string manipulation - untested yet */
    303  |
    304  |     if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    305  |       g_string_sprintfa(query_str, " AND (");
    306  |       for (i=0; i < C_END; i++) {
    307  | 	if (MA_isset(qc->object_type_bitmap, i)) {
    308  | 	  g_string_sprintfa(query_str, "i.object_type = %d OR ", DF_get_class_dbase_code(i));
    309  | 	}
    310  |       }
    311  |       g_string_truncate(query_str, query_str->len-3);
    312  |       g_string_append_c(query_str, ')');
    313  |     }
    314  |
    315  | #else /* classic string operations */
    316  |
    317  |   /* add filters only if any bits are 0 (the number of 1's is < MAX_MAX */
    318  |   if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    319  |     g_string_append(query_str, " AND (");
    320  |     for (i=0; i < C_END; i++) {
    321  |       if (MA_isset(qc->object_type_bitmap, i)) {
    322  |         strcpy(filter_atom, "");
    323  |         sprintf(filter_atom, "i.object_type = %d OR ", i);
    324  | 	                /* XXX class codes should be used instead:
    325  | 			   DF_get_class_dbase_code(i))
    326  | 			   but currently the tables contain values of enums
    327  | 			   (C_IN, etc) and not codes
    328  | 			*/
    329  |         g_string_append(query_str, filter_atom);
    330  |       }
    331  |     }
    332  |     dieif(query_str->len < 3);  /* this code can only be reached if there is
    333  |                                    at least one object here, meaning this
    334  |                                    must end with the string "OR ", which we
    335  |                                    then remove */
    336  |     g_string_truncate(query_str, query_str->len - 3);
    337  |     g_string_append_c(query_str, ')');
    338  | /*    qlen = strlen(query_str);
    339  |     query_str[qlen-3] = ')';
    340  |     query_str[qlen-2] = '\0';
    341  |     query_str[qlen-1] = '\0';*/
    342  |   }
    343  |
    344  | #endif
    345  |
    346  | } /* add_filter() */
    347  |
    348  | /* create_query() */
    349  | /*++++++++++++++++++++++++++++++++++++++
    350  |   Create an sql query from the query_command and the matching keytype and the
    351  |   selected inverse attributes.
    352  |   Note this clears the first inv_attribute it sees, so is called sequentially
    353  |   until there are no inv_attributes left.
    354  |
    355  |   WK_Type keytype The matching keytype.
    356  |
    357  |   const Query_command *qc The query command.
    358  |
    359  |   mask_t *inv_attrs_bitmap The selected inverse attributes.
    360  |
    361  |   More:
    362  |   +html+ <PRE>
    363  |   Authors:
    364  |         ottrey
    365  |   +html+ </PRE>
    366  |
    367  |   ++++++++++++++++++++++++++++++++++++++*/
    368  | static char *create_query(const Query_t q, const Query_command *qc)
    369  | {
    370  |   GString *result_buff;
    371  |   char *result;
    372  |   Q_Type_t querytype;
    373  |   int addquery = 0; /* controls if the query should be added to the list */
    374  |
    375  |   result_buff = g_string_sized_new(STR_XL);
    376  |
    377  |   if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
    378  |     querytype = Q_INVERSE;
    379  |   }
    380  |   else {
    381  |     querytype = Q_LOOKUP;
    382  |   }
    383  |
    384  |   if ( (q.query != NULL)
    385  |     && (q.querytype == querytype) ) {
    386  |
    387  |     /* addquery = 1; */
    388  |     /* if it got here, it should be added, unless.(see asblock)*/
    389  |
    390  |     if (q.keytype == WK_NAME) {
    391  |       /* Name queries require special treatment. */
    392  |       create_name_query(result_buff, q.query, qc->keys);
    393  |       addquery = 1;
    394  |     }
    395  |     else if( q.keytype == WK_IPADDRESS ) {  /* ifaddr sql lookups */
    396  |       ip_range_t myrang;
    397  |       unsigned   begin, end;
    398  |       ip_keytype_t key_type;
    399  |
    400  |       /* The only inverse query for IPADDRESS is nserver. */
    401  |       /* We need to insure that we don't try to use the numeric values for this
    402  |        * query, because the address of the server is stored as a string, and
    403  |        * the SQL query is formatted appropriately. */
    404  |       if (NOERR(IP_smart_range(qc->keys, &myrang, IP_EXPN, &key_type))) {
    405  |         if(IP_rang_b2_space(&myrang) == IP_V4 ) {
    406  | 	  IP_rang_b2v4(&myrang, &begin, &end);
    407  | 	  if (querytype == Q_INVERSE) {
    408  | 	      /* for inverse queries, convert number to dotted-quad */
    409  | 	      char buf[64];
    410  | 	      const char *inet_ntop_ret;
    411  | 	      inet_ntop_ret = inet_ntop(AF_INET, &begin, buf, sizeof(buf));
    412  | 	      dieif(inet_ntop_ret == NULL);
    413  | 	      g_string_sprintf(result_buff, q.query, buf);
    414  | 	  } else {
    415  | 	      /* otherwise, execute appropriate query on numeric values */
    416  | 	      g_string_sprintf(result_buff, q.query, begin, end);
    417  | 	  }
    418  | 	  addquery = 1;
    419  | 	}
    420  | 	else {
    421  | 	  die;
    422  | 	}
    423  |       }
    424  |     }
    425  |     else if( q.keytype == WK_ASRANGE ) {   /* as_block range composition */
    426  |       if( create_asblock_query(result_buff, q.query, qc->keys) != 0 ) {
    427  | 	addquery = 0; /* ... unless it's not correct */
    428  |       }
    429  |       else {
    430  | 	addquery = 1;
    431  |       }
    432  |     }
    433  |     else {
    434  |       g_string_sprintf(result_buff, q.query, qc->keys);
    435  |       addquery = 1;
    436  |     }
    437  |
    438  |     if (q.class == C_ANY && addquery == 1 ) {
    439  |       /* It is class type ANY so add the object filtering */
    440  |       add_filter(result_buff, qc);
    441  |     }
    442  |   }
    443  |
    444  |   if( addquery == 1 ) {
    445  |     result = UT_strdup(result_buff->str);
    446  |   } else {
    447  |     result = NULL;
    448  |   }
    449  |   g_string_free(result_buff, TRUE);
    450  |
    451  |   return result;
    452  | } /* create_query() */
    453  |
    454  | /* QI_fast_output() */
    455  | /*++++++++++++++++++++++++++++++++++++++
    456  |   This is for the '-F' flag.
    457  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    458  |   Fast isn't fast anymore - it's just there for compatibility reasons.
    459  |
    460  |   const char *str        The object to be "fast output'ed".
    461  |
    462  |   More:
    463  |   +html+ <PRE>
    464  |   Authors:
    465  |         ottrey,
    466  | 	marek - glib strings + small changes
    467  |   +html+ </PRE>
    468  |   ++++++++++++++++++++++++++++++++++++++*/
    469  | char *QI_fast_output(const char *str)
    470  | {
    471  |   int i,j;
    472  |   char *result;
    473  |   GString *result_buff = g_string_sized_new(STR_XL);
    474  |   gchar **lines = g_strsplit(str, "\n", 0);
    475  |   unsigned char *value, *colon;
    476  |   char *attr;
    477  |
    478  |   g_string_assign(result_buff, "");
    479  |
    480  |   for (j=0; lines[j] != NULL; j++) {
    481  |
    482  |     switch (lines[j][0]) {
    483  |       /* line continuation */
    484  |     case ' ':
    485  |     case '\t':
    486  |     case '+':
    487  |       value = (unsigned char *) lines[j]+1;
    488  |       while(*value != '\0' && isspace(*value)) {
    489  | 	value++;
    490  |       }
    491  |       g_string_append(result_buff, "\n+ ");
    492  |       g_string_append(result_buff, (char *)value);
    493  |       break;
    494  |
    495  |     default:
    496  |       /* a line of the form "attribute: value" */
    497  |       /* first: close the last line (if there was any, i.e. j>0) */
    498  |       if( j > 0 ) {
    499  | 	g_string_append_c(result_buff, '\n');
    500  |       }
    501  |
    502  |       /* get attribute name */
    503  |       attr =  lines[j];
    504  |       colon = (unsigned char *) strchr(lines[j], ':');
    505  |       /* if there's no colon for whatever reason, dump the object
    506  | 	 and report the condition */
    507  |       if( colon == NULL ) {
    508  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    509  | 	goto fast_output_cleanup;
    510  |       }
    511  |       *colon = '\0';
    512  |       for(value = colon+1; *value != '\0' && isspace(*value) ; value++) {
    513  | 	;
    514  |       }
    515  |
    516  |       if( (i = DF_attribute_name2type(attr)) == -1 ) {
    517  | 	  /* warning! error in the object format */
    518  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    519  | 	goto fast_output_cleanup;
    520  |
    521  |       }
    522  |       else {
    523  | 	/* This is the juicy bit that converts the likes of; "source: RIPE" to "*so: RIPE" */
    524  | 	g_string_append_c(result_buff, '*');
    525  | 	g_string_append(result_buff, DF_get_attribute_code(i));
    526  | 	g_string_append(result_buff, ": ");
    527  | 	g_string_append(result_buff, (char *)value);
    528  |       }
    529  |     } /* switch */
    530  |   } /* for every line */
    531  |
    532  |  fast_output_cleanup:
    533  |
    534  |   g_strfreev(lines);
    535  |
    536  |   g_string_append_c(result_buff, '\n');
    537  |   result = UT_strdup(result_buff->str);
    538  |   dieif(result == NULL);
    539  |
    540  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    541  |
    542  |   return result;
    543  | } /* fast_output() */
    544  |
    545  | /* filter() */
    546  | /*++++++++++++++++++++++++++++++++++++++
    547  |   Basically it's for the '-K' flag for non-set (and non-radix) objects.
    548  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    549  |
    550  |   This could be speed up if there were breaks out of the loops, once it matched something.
    551  |
    552  |   const char *string          The string to be filtered.
    553  |
    554  |   More:
    555  |   +html+ <PRE>
    556  |   Authors:
    557  |         ottrey
    558  |   +html+ </PRE>
    559  |
    560  |   ++++++++++++++++++++++++++++++++++++++*/
    561  | char *filter(const char *str) {
    562  |   int i,j, passed=0;
    563  |   char *result;
    564  |   GString *result_buff = g_string_sized_new(STR_XL);
    565  |   gchar **lines = g_strsplit(str, "\n", 0);
    566  |   char * const *filter_names;
    567  |   gboolean filtering_an_attribute = FALSE;
    568  |
    569  |   filter_names = DF_get_filter_names();
    570  |
    571  |   g_string_assign(result_buff, "");
    572  |
    573  |   for (i=0; filter_names[i] != NULL; i++) {
    574  |     for (j=0; lines[j] != NULL; j++) {
    575  |       /* match lines that start with "key-field:" */
    576  |       int filter_name_len = strlen(filter_names[i]);
    577  |       if ((strncmp(filter_names[i], lines[j], filter_name_len) == 0) &&
    578  |           (lines[j][filter_name_len] == ':'))
    579  |       {
    580  |
    581  |         g_string_sprintfa(result_buff, "%s\n", lines[j]);
    582  | 	passed++;
    583  |
    584  | 	/* CONSTCOND */
    585  |         filtering_an_attribute = TRUE;
    586  |       }
    587  |       /* CONSTCOND */
    588  |       else if (filtering_an_attribute == TRUE) {
    589  |         switch (lines[j][0]) {
    590  |           case ' ':
    591  |           case '\t':
    592  |           case '+':
    593  |
    594  |             g_string_sprintfa(result_buff, "%s\n", lines[j]);
    595  |
    596  |           break;
    597  |
    598  |           default:
    599  |             filtering_an_attribute = FALSE;
    600  |         }
    601  |       }
    602  |     }
    603  |   }
    604  |
    605  |   g_strfreev(lines);
    606  |
    607  |   if(passed) {
    608  |     g_string_append(result_buff, "\n");
    609  |   }
    610  |   result = UT_strdup(result_buff->str);
    611  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    612  |
    613  |   return result;
    614  | } /* filter() */
    615  |
    616  | /* write_results() */
    617  | /*++++++++++++++++++++++++++++++++++++++
    618  |   Write the results to the client socket.
    619  |
    620  |   SQ_result_set_t *result The result set returned from the sql query.
    621  |   unsigned filtered       if the objects should go through a filter (-K)
    622  |   sk_conn_st *condat      Connection data for the client
    623  |
    624  |   More:
    625  |   +html+ <PRE>
    626  |   Authors:
    627  |         ottrey - initial design
    628  | 	marek - rewritten for accounting and cancellation.
    629  |   +html+ </PRE>
    630  |
    631  |   ++++++++++++++++++++++++++++++++++++++*/
    632  | static int write_results(SQ_result_set_t *result,
    633  | 			 unsigned filtered,
    634  | 			 unsigned fast,
    635  | 			 sk_conn_st *condat,
    636  | 			 acc_st    *acc_credit,
    637  | 			 acl_st    *acl
    638  | 			 ) {
    639  |   SQ_row_t *row;
    640  |   char *str;
    641  |   char *filtrate;
    642  |   char *fasted;
    643  |   int retrieved_objects=0;
    644  |   char *objt;
    645  |   int type;
    646  |
    647  |   /* Get all the results - one at a time */
    648  |   if (result != NULL) {
    649  |     /* here we are making use of the mysql_store_result capability
    650  |        of interrupting the cycle of reading rows. mysql_use_result
    651  |        would not allow that, would have to be read until end */
    652  |
    653  |     while ( condat->rtc == 0
    654  | 	    && AC_credit_isdenied( acc_credit ) == 0
    655  | 	    && (row = SQ_row_next(result)) != NULL ) {
    656  |
    657  |       dieif (  (str = SQ_get_column_string(result, row, 0)) == NULL )
    658  |       dieif (  (objt = SQ_get_column_string(result, row, 3)) == NULL );
    659  |
    660  |       /* get + add object type */
    661  |       type = atoi(objt);
    662  |
    663  |       /* ASP_QI_LAST_DET */
    664  |       ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    665  | 	        "Retrieved serial id = %d , type = %s", atoi(str), objt);
    666  |
    667  |       UT_free(str);
    668  |       UT_free(objt);
    669  |
    670  |       /* decrement credit for accounting purposes */
    671  |       AC_count_object( acc_credit, acl,
    672  | 		       type == C_PN || type == C_RO ); /* is private? */
    673  |
    674  |       /* break the loop if the credit has just been exceeded and
    675  | 	 further results denied */
    676  |       if( AC_credit_isdenied( acc_credit ) ) {
    677  | 	continue;
    678  |       }
    679  |
    680  |       if ((str = SQ_get_column_string(result, row, 2)) == NULL) { die; }
    681  |       else {
    682  |
    683  |         /* The fast output stage */
    684  |         if (fast == 1) {
    685  |           fasted = QI_fast_output(str);
    686  |           UT_free(str);
    687  |           str = fasted;
    688  |         }
    689  |
    690  |         /* The filtering stage */
    691  |         if (filtered == 0) {
    692  |           SK_cd_puts(condat, str);
    693  | 	  SK_cd_puts(condat, "\n");
    694  |         }
    695  |         else {
    696  |
    697  | 	  /* XXX accounting should be done AFTER filtering, not to count
    698  | 	     objects filtered out */
    699  |
    700  |           filtrate = filter(str);
    701  |           SK_cd_puts(condat, filtrate);
    702  |           UT_free(filtrate);
    703  |         }
    704  |         retrieved_objects++;
    705  |       }
    706  |       UT_free(str);
    707  |     }
    708  |   }
    709  |
    710  |   return retrieved_objects;
    711  | } /* write_results() */
    712  |
    713  | /* generic SQL error message - it could be a configurable parameter, but
    714  |    it also shouldn't happen! */
    715  | static const char *sql_error_text =
    716  |     "% An internal database error has occurred.\n"
    717  |     "% It has been logged, and an adminstrator should look at it shorly.\n"
    718  |     "% Please try your query again.\n"
    719  |     "\n"
    720  |     "\n";
    721  |
    722  | /* use a macro so we can get our file and line number */
    723  | #define report_sql_error(condat,sql_connection,sql_command) \
    724  |   __report_sql_error((condat), (sql_connection), (sql_command), \
    725  |                      __FILE__,__LINE__,pthread_self())
    726  |
    727  | /* report_sql_error() */
    728  | /*++++++++++++++++++++++++++++++++++++++
    729  |
    730  |   sk_conn_st *condat                 connection with user
    731  |   SQ_connection_t *sql_connection    connection to MySQL
    732  |   const char *sql_command            SQL command sent to MySQL
    733  |
    734  |   ++++++++++++++++++++++++++++++++++++++*/
    735  |
    736  | void
    737  | __report_sql_error(sk_conn_st *condat,
    738  |                  SQ_connection_t *sql_connection,
    739  | 		 const char *sql_command,
    740  | 		 const char *file,
    741  | 		 int line,
    742  | 		 pthread_t tid)
    743  | {
    744  |     /* first, let user know what has happened */
    745  |     SK_cd_puts(condat, sql_error_text);
    746  |
    747  |     /* next, log this error */
    748  |     ER_perror(FAC_QI, QI_SQLERR, "at %s:%d, tid:%lu [%d] %s sql='%s'",
    749  | 		      file, line, (unsigned long)tid,
    750  | 		      SQ_errno(sql_connection),
    751  | 		      SQ_error(sql_connection),
    752  | 		      sql_command);
    753  | }
    754  |
    755  | /* write_objects() */
    756  | /*++++++++++++++++++++++++++++++++++++++
    757  |
    758  |   SQ_connection_t *sql_connection The connection to the database.
    759  |
    760  |   char *id_table The id of the temporary table (This is a result of the hacky
    761  |                   way we've tried to get MySQL to do sub-selects.)
    762  |
    763  |   sk_conn_st *condat  Connection data for the client
    764  |
    765  |   More:
    766  |   +html+ <PRE>
    767  |   Authors:
    768  |         ottrey,
    769  | 	marek.
    770  |   +html+ </PRE>
    771  |   ++++++++++++++++++++++++++++++++++++++*/
    772  | static int
    773  | write_objects(SQ_connection_t **sql_connection,
    774  | 			  char *id_table,
    775  | 			  unsigned int filtered,
    776  | 			  unsigned int fast,
    777  | 			  sk_conn_st *condat,
    778  | 			  acc_st    *acc_credit,
    779  | 			  acl_st    *acl
    780  | 			  )
    781  | {
    782  |   SQ_result_set_t *result = NULL;
    783  |   int retrieved_objects=0;
    784  |   char sql_command[STR_XL];
    785  |
    786  |   sprintf(sql_command, Q_OBJECTS, id_table);
    787  |
    788  |   if (sql_execute_watched(condat, sql_connection, sql_command, &result) == -1) {
    789  |       report_sql_error(condat, *sql_connection, sql_command);
    790  |       return SQ_errno(*sql_connection);
    791  |   }
    792  |
    793  |   /* Problem: if the query was aborted, the result structure does not
    794  |      refer to any existing connection anymore. So we check rtc here.
    795  |   */
    796  |
    797  |   if( condat->rtc == 0) {
    798  |     retrieved_objects = write_results(result, filtered, fast, condat,
    799  | 				      acc_credit, acl);
    800  |     SQ_free_result(result);
    801  |   }
    802  |   return 0;
    803  | } /* write_objects() */
    804  |
    805  | /* rx_node_has_mnt_irt() */
    806  | /*++++++++++++++++++++++++++++++++++++++
    807  |   See if the node has an "mnt-irt:" attribute.
    808  |
    809  |   condat           connection data for the client
    810  |   sql_connection   connection to the database
    811  |   rx_data          data node returned from the RX module
    812  |   ++++++++++++++++++++++++++++++++++++++*/
    813  | gboolean
    814  | rx_node_has_mnt_irt (sk_conn_st *condat,
    815  |                      SQ_connection_t *sql_connection,
    816  |                      int object_id)
    817  | {
    818  |     GString *sql_command;
    819  |     SQ_result_set_t *result_ptr;
    820  |     int sql_error;
    821  |     SQ_row_t *row;
    822  |     long num_irt_ref;
    823  |
    824  |     /* query database for references from this object to an IRT */
    825  |     sql_command = g_string_new("");
    826  |     g_string_sprintf(sql_command,
    827  |                      "SELECT COUNT(*) FROM mnt_irt WHERE object_id=%d",
    828  |                      object_id);
    829  |     if (SQ_execute_query(sql_connection, sql_command->str, &result_ptr) == -1) {
    830  |         sql_error = SQ_errno(sql_connection);
    831  |         report_sql_error(condat, sql_connection, sql_command->str);
    832  |         g_string_free(sql_command, TRUE);
    833  |         return FALSE;
    834  |     }
    835  |     g_string_free(sql_command, TRUE);
    836  |
    837  |     /* get number of references */
    838  |     row = SQ_row_next(result_ptr);
    839  |     if (row == NULL) {
    840  |         /* if the object is deleted after we have gotten a reference to it,
    841  |            the lookup will fail - in such a case treat it the same as
    842  |            an object without any mnt_irt attributes */
    843  |         num_irt_ref = 0;
    844  |     } else {
    845  |         if (SQ_get_column_int(result_ptr, row, 0, &num_irt_ref) != 0) {
    846  |             ER_perror(FAC_QI, QI_SQLERR, "bad column at %s:%d",
    847  |                       __FILE__, __LINE__);
    848  |             num_irt_ref = 0;
    849  |         }
    850  |     }
    851  |     SQ_free_result(result_ptr);
    852  |
    853  |     /* return appropriate result */
    854  |     if (num_irt_ref > 0) {
    855  |         return TRUE;
    856  |     } else {
    857  |         return FALSE;
    858  |     }
    859  | }
    860  |
    861  |
    862  | /* mnt_irt_filter() */
    863  | /*++++++++++++++++++++++++++++++++++++++
    864  |   Find the most specific entry in the list of network nodes passed
    865  |   and remove all entries but that one from the list.
    866  |
    867  |   condat           connection data for the client
    868  |   sql_connection   connection to the database
    869  |   datlist          list of data from the radix tree (nodes of *rx_datcpy_t)
    870  |
    871  |   Note:  The "-c" query flag specifies that the most specific inetnum or
    872  |          inet6num with an "mnt-irt:" attribute should be returned.
    873  |
    874  |          To do this, we get a list of encompassing networks by sending the
    875  |          same options to the RP/RX module that the '-L' query does.  Then
    876  |          we call this function, mnt_irt_filter(), and search the list for
    877  |          the first entry that has an "mnt-irt:" attribute, by looking in
    878  |          the "mnt_irt" table in MySQL for a reference (see the
    879  |          rx_node_has_mnt_irt() for details).
    880  |
    881  |          If a reference is found, the list is replaced with a list
    882  |          containing the single entry.  If no reference is found, the list
    883  |          is deleted.
    884  |   ++++++++++++++++++++++++++++++++++++++*/
    885  | void
    886  | mnt_irt_filter (sk_conn_st *condat,
    887  |                 SQ_connection_t *sql_connection,
    888  |                 GList **datlist)
    889  | {
    890  |     GList *p;
    891  |     GList *new_datlist;
    892  |     rx_datcpy_t *rx_data;
    893  |     int object_id;
    894  |
    895  |     /* empty datlist */
    896  |     new_datlist = NULL;
    897  |
    898  |     /* search for node with "mnt-irt:" attribute */
    899  |     for (p=g_list_last(*datlist); p != NULL; p=g_list_previous(p)) {
    900  |         /* grab the data for this node */
    901  |         rx_data = (rx_datcpy_t *)p->data;
    902  |         object_id = rx_data->leafcpy.data_key;
    903  |
    904  |         /* see if this is the node we are looking for */
    905  |         if (rx_node_has_mnt_irt(condat, sql_connection, object_id)) {
    906  |             /* use this entry, and remove from old list */
    907  |             new_datlist = g_list_append(NULL, rx_data);
    908  |             *datlist = g_list_remove_link(*datlist, p);
    909  |             g_list_free_1(p);
    910  |             break;
    911  |         }
    912  |     }
    913  |
    914  |     /* free our old datlist */
    915  |     for (p=*datlist; p != NULL; p = g_list_next(p)) {
    916  |         rx_data = (rx_datcpy_t *)p->data;
    917  |         UT_free(rx_data->leafcpy.data_ptr);
    918  |         p = g_list_next(p);
    919  |     }
    920  |     wr_clear_list(datlist);
    921  |
    922  |     /* use our new datlist */
    923  |     *datlist = new_datlist;
    924  | }
    925  |
    926  |
    927  | /* insert_radix_serials() */
    928  | /*++++++++++++++++++++++++++++++++++++++
    929  |   Insert the radix serial numbers into a temporary table in the database.
    930  |
    931  |   mask_t bitmap The bitmap of attribute to be converted.
    932  |
    933  |   SQ_connection_t *sql_connection The connection to the database.
    934  |
    935  |   char *id_table The id of the temporary table (This is a result of the hacky
    936  |                   way we've tried to get MySQL to do sub-selects.)
    937  |
    938  |   GList *datlist The list of data from the radix tree.
    939  |
    940  |   More:
    941  |   +html+ <PRE>
    942  |   Authors:
    943  |         ottrey,
    944  | 	marek
    945  |   +html+ </PRE>
    946  |
    947  |   ++++++++++++++++++++++++++++++++++++++*/
    948  | static int insert_radix_serials(sk_conn_st *condat,
    949  | 				 SQ_connection_t *sql_connection,
    950  | 				 char *id_table, GList *datlist) {
    951  |   GList *qitem;
    952  |   GString *sql_command;
    953  |   int serial;
    954  |   int sql_error;
    955  |
    956  |   sql_error = 0;
    957  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    958  |     rx_datcpy_t *datcpy = qitem->data;
    959  |
    960  |     serial = datcpy->leafcpy.data_key;
    961  |
    962  |     /* don't bother to insert values into our temporary table */
    963  |     /* if we've lost the client connection */
    964  |     if ((condat->rtc == 0) && !sql_error) {
    965  |         sql_command = g_string_sized_new(STR_S);
    966  |         g_string_sprintf(sql_command,
    967  |                          "INSERT INTO %s values (%d)", id_table, serial);
    968  |         if (SQ_execute_query(sql_connection, sql_command->str, NULL) == -1) {
    969  | 	    sql_error = SQ_errno(sql_connection);
    970  | 	    report_sql_error(condat, sql_connection, sql_command->str);
    971  | 	}
    972  |         g_string_free(sql_command, TRUE);
    973  |     }
    974  |
    975  |     UT_free(datcpy->leafcpy.data_ptr);
    976  |   }
    977  |
    978  |   wr_clear_list( &datlist );
    979  |
    980  |   /* return error, if any */
    981  |   return sql_error;
    982  |
    983  | } /* insert_radix_serials() */
    984  |
    985  |
    986  | /* write_radix_immediate() */
    987  | /*++++++++++++++++++++++++++++++++++++++
    988  |   Display the immediate data carried with the objects returned by the
    989  |   radix tree.
    990  |
    991  |   GList *datlist      The linked list of dataleaf copies
    992  |
    993  |   sk_conn_st *condat  Connection data for the client
    994  |
    995  |   acc_st  *acc_credit Accounting struct
    996  |
    997  | More:
    998  |   +html+ <PRE>
    999  |   Authors:
    1000 |         marek
    1001 |   +html+ </PRE>
    1002 |
    1003 |   Also free the list of answers.
    1004 | ++++++++++++++++++++++++++++++++++++++*/
    1005 | static void write_radix_immediate(GList *datlist,
    1006 | 				  sk_conn_st *condat,
    1007 | 				  acc_st    *acc_credit,
    1008 | 				  acl_st    *acl)
    1009 | {
    1010 |   GList    *qitem;
    1011 |
    1012 |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    1013 |     rx_datcpy_t *datcpy = qitem->data;
    1014 |
    1015 |     SK_cd_puts(condat, datcpy->leafcpy.data_ptr );
    1016 |     SK_cd_puts(condat, "\n");
    1017 |
    1018 |     UT_free(datcpy->leafcpy.data_ptr);
    1019 |
    1020 |     AC_count_object(acc_credit, acl, 0 /* public object (private=0) */ );
    1021 |
    1022 |     if(condat->rtc != 0) {
    1023 |       break;
    1024 |     }
    1025 |   }
    1026 |
    1027 |   wr_clear_list( &datlist );
    1028 | } /* write_radix_immediate() */
    1029 |
    1030 |
    1031 | /* map_qc2rx() */
    1032 | /*++++++++++++++++++++++++++++++++++++++
    1033 |   The mapping between a query_command and a radix query.
    1034 |
    1035 |   Query_instruction *qi The Query Instruction to be created from the mapping
    1036 |                         of the query command.
    1037 |
    1038 |   const Query_command *qc The query command to be mapped.
    1039 |
    1040 |   More:
    1041 |   +html+ <PRE>
    1042 |   Authors:
    1043 |         ottrey,
    1044 | 	marek - simplified the logic, added stealth -S option
    1045 |   +html+ </PRE>
    1046 |
    1047 |   ++++++++++++++++++++++++++++++++++++++*/
    1048 | static int map_qc2rx(Query_instruction *qi, const Query_command *qc) {
    1049 |   int result=1;
    1050 |   int allflags = (qc->L == 1) + (qc->M == 1) + (qc->l == 1)
    1051 |                + (qc->m == 1) + (qc->x == 1);
    1052 |
    1053 |   allflags += qc->c_irt_search;
    1054 |
    1055 |   qi->rx_keys = qc->keys;
    1056 |
    1057 |   /* only one option can be active at a time */
    1058 |
    1059 |   if( allflags > 1 ) {
    1060 |       /* user error  (this should have been checked before) */
    1061 |
    1062 |       ER_dbg_va(FAC_QI, ASP_QI_SKIP,
    1063 | 		"ERROR in qc2rx mapping: bad combination of flags");
    1064 |       result = 0;
    1065 |   }
    1066 |   if( allflags == 0 ) {
    1067 |       /* no options active - default search */
    1068 |       qi->rx_srch_mode = RX_SRCH_EXLESS;
    1069 |       qi->rx_par_a = 0;
    1070 |   }
    1071 |   else if (qc->c_irt_search) {
    1072 |       qi->rx_srch_mode = RX_SRCH_LESS;
    1073 |       qi->rx_par_a = RX_ALL_DEPTHS;
    1074 |   }
    1075 |   else if ( qc->L == 1 ) {
    1076 |       qi->rx_srch_mode = RX_SRCH_LESS;
    1077 |       qi->rx_par_a = RX_ALL_DEPTHS;
    1078 |   }
    1079 |   else if (qc->M == 1) {
    1080 |       qi->rx_srch_mode = RX_SRCH_MORE;
    1081 |       qi->rx_par_a = RX_ALL_DEPTHS;
    1082 |   }
    1083 |   else if (qc->l == 1) {
    1084 |       qi->rx_srch_mode = RX_SRCH_LESS;
    1085 |       qi->rx_par_a = 1;
    1086 |   }
    1087 |   else if (qc->m == 1) {
    1088 |       qi->rx_srch_mode = RX_SRCH_MORE;
    1089 |       qi->rx_par_a = 1;
    1090 |   }
    1091 |   else if (qc->x == 1) {
    1092 |       qi->rx_srch_mode = RX_SRCH_EXACT;
    1093 |       qi->rx_par_a = 0;
    1094 |   }
    1095 |
    1096 |   if( qi->rx_srch_mode == RX_SRCH_MORE && (qc->S == 1) ) {
    1097 |       qi->rx_srch_mode = RX_SRCH_DBLS;
    1098 |   }
    1099 |
    1100 |   return result;
    1101 |
    1102 | } /* map_qc2rx() */
    1103 |
    1104 |
    1105 | /* run_referral() */
    1106 | /*++++++++++++++++++++++++++++++++++++++
    1107 |
    1108 |    invoked when no such domain found. Goes through the domain table
    1109 |    and searches for shorter domains, then if it finds one with referral
    1110 |    it performs it, otherwise it just returns nothing.
    1111 |
    1112 |    to perform referral, it actually composes the referral query
    1113 |    for a given host/port/type and calls the whois query function.
    1114 |
    1115 |    Well, it returns nothing anyway (void). It just prints to the socket.
    1116 |
    1117 |   char *ref_host           referral server host name
    1118 |
    1119 |   unsigned ref_port_int    referral server port number
    1120 |
    1121 |   char *qry                query to be run
    1122 |
    1123 |   Author:
    1124 |     marek
    1125 |   ++++++++++++++++++++++++++++++++++++++*/
    1126 | void run_referral(Query_environ *qe,
    1127 | 		  char *ref_host,
    1128 | 		  unsigned ref_port_int,
    1129 | 		  char *qry)
    1130 | {
    1131 |
    1132 | #if 1 /* switch off for testing */
    1133 |   er_ret_t err;
    1134 |   char *rep;
    1135 |
    1136 |         /* WH_sock(sock, host, port, query, maxlines, timeout)) */
    1137 |   err= WH_cd_sock(&(qe->condat), ref_host, ref_port_int, qry,
    1138 | 		  ca_get_referralmaxlines, ca_get_referraltimeout
    1139 | 		  );
    1140 |
    1141 |   switch( err ) {
    1142 |   case SK_OK:
    1143 |     /* OK */
    1144 |     break;
    1145 |   case SK_TIMEOUT:
    1146 |     /* Referral timeout */
    1147 |     rep = ca_get_qi_ref_tmout ;
    1148 |     SK_cd_puts(&(qe->condat), rep);
    1149 |     UT_free(rep);
    1150 |     break;
    1151 |
    1152 |   case SK_BADHOST:
    1153 |     /* Referral host not found */
    1154 |     rep = ca_get_qi_ref_badhost ;
    1155 |     SK_cd_puts(&(qe->condat), rep);
    1156 |     UT_free(rep);
    1157 |     break;
    1158 |
    1159 |   case SK_CONNECT:
    1160 |     /* Referral host not responding */
    1161 |     rep = ca_get_qi_ref_hostnottresp ;
    1162 |     SK_cd_puts(&(qe->condat), rep);
    1163 |     UT_free(rep);
    1164 |     break;
    1165 |
    1166 |   case SK_BIND:
    1167 |   case SK_SOCKET:
    1168 |     /* XXX internal server problem...  */
    1169 |     die;
    1170 |
    1171 |   case WH_MAXLINES:
    1172 |     /* Referral reply line limit exceeded */
    1173 |     rep = ca_get_qi_ref_overmaxlin ;
    1174 |     SK_cd_puts(&(qe->condat), rep);
    1175 |     UT_free(rep);
    1176 |     break;
    1177 |
    1178 |   default: /* any other errors ? */
    1179 |     die;
    1180 |     ;
    1181 |   } /*switch WH_sock */
    1182 | #endif
    1183 |
    1184 | }/*run_referral*/
    1185 |
    1186 |
    1187 |
    1188 |
    1189 |
    1190 | /*++++++++++++++++++++++++++++++++++++++
    1191 |
    1192 |    prepare and run the referral, displaying the results directly to the
    1193 |    client's connection.
    1194 |
    1195 |    XXX still missing protection against a referral loop
    1196 |    XXX handling inverse flag not needed, to be removed
    1197 |
    1198 |   char *domain               domain being looked up
    1199 |
    1200 |   Query_instructions *qis    original query instructions structure
    1201 |
    1202 |   Query_environ *qe          original query environment structure
    1203 |
    1204 |   Query_instruction *qi      specific query instruction triggered
    1205 |
    1206 |   SQ_result_set_t *result    result of the lookup containing referral details
    1207 |
    1208 |   SQ_row_t *row              first row (should be only 1) of the result
    1209 |                              this should contain columns: type, port, host
    1210 |
    1211 |   char *sourcename           name of the database "source"
    1212 |
    1213 |   Author:
    1214 |      marek
    1215 |   ++++++++++++++++++++++++++++++++++++++*/
    1216 | static
    1217 | void qi_prep_run_refer(char *domain,
    1218 | 		       Query_instructions *qis,
    1219 | 		       Query_environ *qe,
    1220 | 		       Query_instruction *qi,
    1221 | 		       SQ_result_set_t *result, SQ_row_t *row,
    1222 | 		       char *sourcename )
    1223 | {
    1224 |     int err;
    1225 |     long ref_type;
    1226 |     long ref_port;
    1227 |     char *ref_host;
    1228 |     GString *querystr;
    1229 |
    1230 |     /* get values from SQL query */
    1231 |     err = SQ_get_column_int(result, row, 0, &ref_type);
    1232 |     dieif(err);
    1233 |     err = SQ_get_column_int(result, row, 1, &ref_port);
    1234 |     dieif(err);
    1235 |     ref_host = SQ_get_column_string(result, row, 2);
    1236 |     dieif(ref_host == NULL);
    1237 |
    1238 |     querystr = g_string_sized_new(STR_L);
    1239 |
    1240 |     /* put -r if the reftype is RIPE and -r or -i were used */
    1241 |     if( (ref_type == RF_RIPE)
    1242 | 	&& ( Query[qi->queryindex].querytype == Q_INVERSE
    1243 | 	     || qis->recursive > 0  )   )
    1244 |     {
    1245 |         g_string_append(querystr, "-r ");
    1246 |     }
    1247 |
    1248 |     /* prepend with -Vversion,IP for type CLIENTADDRESS */
    1249 |     if( ref_type == RF_CLIENTADDRESS ) {
    1250 |         g_string_sprintf(querystr, "-V%s,%s ", VERSION, qe->condat.ip);
    1251 |     }
    1252 |
    1253 |
    1254 |     /* now set the search term - set to the stripped down version
    1255 |        for inverse query, full-length otherwise */
    1256 |     if( Query[qi->queryindex].querytype == Q_INVERSE ) {
    1257 |         g_string_append(querystr, domain);
    1258 |     }
    1259 |     else {
    1260 |         g_string_append(querystr, qis->qc->keys);
    1261 |     }
    1262 |
    1263 |     {
    1264 | 	/* the object is not from %s,
    1265 | 	   it comes from %s %d, use -R to see %s */
    1266 | 	char *rep = ca_get_qi_fmt_refheader ;
    1267 | 	SK_cd_printf(&(qe->condat), rep,
    1268 | 		     sourcename,
    1269 | 		     ref_host, ref_port,
    1270 | 		     sourcename );
    1271 | 	UT_free(rep);
    1272 |     }
    1273 |
    1274 |     /* do the referral */
    1275 |     ER_dbg_va(FAC_QI, ASP_QI_REF_GEN, "referral host is %s", ref_host);
    1276 |
    1277 |     run_referral( qe, ref_host, ref_port, querystr->str);
    1278 |
    1279 |     { /* End of referred query result */
    1280 | 	char *rep = ca_get_qi_reftrailer ;
    1281 | 	SK_cd_puts(&(qe->condat), rep);
    1282 | 	UT_free(rep);
    1283 |     }
    1284 |     SK_cd_puts(&(qe->condat), "\n");
    1285 |
    1286 |     g_string_free(querystr, TRUE);
    1287 |     UT_free(ref_host);
    1288 | }
    1289 |
    1290 |
    1291 | /*++++++++++++++++++++++++++++++++++++++
    1292 |
    1293 |   specific case of the object ID collection: the domains.
    1294 |   Checks to see if the domain exists, and runs the referral if it is defined
    1295 |   and the domain is missing.
    1296 |
    1297 |   Arguments:
    1298 |
    1299 |   char *sourcename                     name of the database "source"
    1300 |
    1301 |   SQ_connection_t *sql_connection      sql connection dedicated to this thread
    1302 |
    1303 |   char *id_table                       name of the temporary table to be used
    1304 |
    1305 |   char *sub_table                      name of the temporary subtable
    1306 |
    1307 |   Query_instructions *qis    original query instructions structure
    1308 |
    1309 |   Query_environ *qe          original query environment structure
    1310 |
    1311 |   Query_instruction *qi      specific query instruction triggered
    1312 |
    1313 |   acc_st *acc_credit         credit for this client
    1314 |
    1315 |   Author:
    1316 |      marek.
    1317 |   ++++++++++++++++++++++++++++++++++++++*/
    1318 |
    1319 | static int
    1320 | qi_collect_domain(char *sourcename,
    1321 | 		  SQ_connection_t *sql_connection,
    1322 | 		  char *id_table,
    1323 | 		  char *sub_table,
    1324 | 		  Query_instructions *qis,
    1325 | 		  Query_environ *qe,
    1326 | 		  Query_instruction *qi,
    1327 | 		  acc_st *acc_credit,
    1328 | 		  int *sql_error)
    1329 | {
    1330 |   char *domain = qis->qc->keys;
    1331 |   char *dot = domain;
    1332 |   int subcount = 0;
    1333 |   int foundcount = 0;
    1334 |   GString *sql_command;
    1335 |
    1336 |   /* we MUST NOT have a diconnection from the server here */
    1337 |   dieif(qe->condat.rtc != 0);
    1338 |
    1339 |   /* create a string for our queries */
    1340 |   sql_command = g_string_sized_new(STR_XL);
    1341 |
    1342 |   /* while nothing found and still some pieces of the name left */
    1343 |   while( dot != NULL && subcount == 0 ) {
    1344 |     int refcount = 0;
    1345 |     SQ_row_t *row;
    1346 |     SQ_result_set_t *result_referrals = NULL;
    1347 |
    1348 |     ER_dbg_va(FAC_QI, ASP_QI_REF_DET, "run_referral: checking %s", dot);
    1349 |
    1350 |     /* domain lookup -- query into the _S table */
    1351 |     g_string_sprintf(sql_command,
    1352 |                      "INSERT INTO %s SELECT object_id "
    1353 |                          "FROM domain "
    1354 |                          "WHERE domain = '%s'",
    1355 |                      sub_table, dot);
    1356 |     if (SQ_execute_query(sql_connection, sql_command->str, NULL) != 0) {
    1357 |         *sql_error = SQ_errno(sql_connection);
    1358 | 	report_sql_error(&qe->condat, sql_connection, sql_command->str);
    1359 |         foundcount = 0;
    1360 |         goto exit_qi_collect_domain;
    1361 |     }
    1362 |     subcount = SQ_get_affected_rows(sql_connection);
    1363 |
    1364 |     if( subcount != 0 ) { /* domain exists in the database */
    1365 |
    1366 | 	/* referral check. Always done except for -R and INVERSE queries */
    1367 | 	if( qis->qc->R == 0 &&
    1368 | 	    Query[qi->queryindex].querytype != Q_INVERSE ) {
    1369 |             g_string_sprintf(sql_command,
    1370 |                              "SELECT type, port, host "
    1371 |                                  "FROM %s ID, refer "
    1372 |                                  "WHERE ID.id = refer.object_id",
    1373 |                              sub_table);
    1374 |
    1375 | 	    if( SQ_execute_query(sql_connection, sql_command->str,
    1376 | 				    &result_referrals) == -1)
    1377 |             {
    1378 | 	        *sql_error = SQ_errno(sql_connection);
    1379 | 	        report_sql_error(&qe->condat, sql_connection, sql_command->str);
    1380 |                 foundcount = 0;
    1381 |                 goto exit_qi_collect_domain;
    1382 |             }
    1383 | 	    refcount = SQ_num_rows(result_referrals);
    1384 | 	}
    1385 |
    1386 | 	/* if referral allowed and defined, even if domain was found but
    1387 | 	   contained referral - refer the query */
    1388 | 	if( refcount != 0 ) {
    1389 | 	    /* get the referral parameters from the first row
    1390 | 	       and perform it
    1391 | 	    */
    1392 |
    1393 | 	    row = SQ_row_next(result_referrals);
    1394 | 	    /* now: query for the original domain */
    1395 | 	    qi_prep_run_refer(domain,
    1396 | 			      qis, qe, qi, result_referrals, row, sourcename);
    1397 |
    1398 | 	    acc_credit->referrals -= 1;
    1399 | 	}
    1400 | 	else {
    1401 | 	    /* domain found
    1402 | 	       and (referral undefined  or  disabled by -R or inverse)
    1403 | 	       two possible outcomes depending on whether 'dot' is:
    1404 | 	       * the original search term -> pass what's in _S and quit
    1405 | 	       * a 'stripped' domain name -> return no result and quit
    1406 | 	    */
    1407 | 	    if( dot == domain ) {
    1408 | 		g_string_sprintf(sql_command,
    1409 |                                  "INSERT INTO %s SELECT id FROM %s",
    1410 | 			         id_table, sub_table);
    1411 | 		if (SQ_execute_query(sql_connection,
    1412 |                                      sql_command->str, NULL) == -1)
    1413 |                 {
    1414 | 		    *sql_error = SQ_errno(sql_connection);
    1415 | 	            report_sql_error(&qe->condat, sql_connection,
    1416 |                                      sql_command->str);
    1417 |                     foundcount = 0;
    1418 |                     goto exit_qi_collect_domain;
    1419 | 		}
    1420 | 		foundcount = SQ_get_affected_rows(sql_connection);
    1421 | 	    }
    1422 | 	}
    1423 | 	dot = NULL; /* don't make another round */
    1424 |     } /* a domain was found */
    1425 |
    1426 |     if( result_referrals != NULL ) {
    1427 | 	SQ_free_result(result_referrals);
    1428 | 	result_referrals = NULL;
    1429 |     }
    1430 |
    1431 |     if( dot != NULL && (dot=index(dot,'.')) != NULL) {
    1432 |       dot++;
    1433 |     }
    1434 |   }
    1435 |
    1436 | /* unified success/failure exit point to perform cleanup */
    1437 | exit_qi_collect_domain:
    1438 |
    1439 |   /* free the string we used for queries */
    1440 |   g_string_free(sql_command, TRUE);
    1441 |
    1442 |   return foundcount;
    1443 | } /* qi_collect_domain */
    1444 |
    1445 |
    1446 | /* add_ref_name */
    1447 | /*++++++++++++++++++++++++++++++++++++++
    1448 |
    1449 |   Creates a SQL query for a reference-by-name lookup. Uses standard name
    1450 |   lookup query generator (create_name_query), so the order of the names
    1451 |   doesn't matter.
    1452 |
    1453 |   SQ_connection_t *sql_connection   sql connection dedicated to this thread
    1454 |
    1455 |   char *rectable       table in which to look up
    1456 |
    1457 |   char *allnames       all name words to be looked up, space delimited.
    1458 |
    1459 | ++++++++++++++++++++++++++++++++++++++*/
    1460 | static
    1461 | int
    1462 | add_ref_name(SQ_connection_t *sql_connection,
    1463 | 	     char *rectable,
    1464 | 	     char *allnames,
    1465 | 	     sk_conn_st *condat
    1466 | 	     )
    1467 | {
    1468 |   int error;
    1469 |
    1470 |   error = 0;
    1471 |
    1472 |   /* construct the query, allow zero-length list */
    1473 |   if( strlen(allnames) > 0 ) {
    1474 |     GString *final_query;
    1475 |     GString *select_query;
    1476 |
    1477 |     final_query = g_string_sized_new(STR_XL);
    1478 |     select_query = g_string_sized_new(STR_XL);
    1479 |
    1480 |     create_name_query(select_query, "SELECT N00.object_id FROM %s WHERE %s "
    1481 | 		      "AND N00.object_type != 100 AND N00.thread_id = 0",
    1482 | 		      allnames);
    1483 |
    1484 |     g_string_sprintf(final_query, "INSERT INTO %s %s",
    1485 | 	             rectable, select_query->str);
    1486 |
    1487 |     allnames[0]=0;
    1488 |
    1489 |     if (SQ_execute_query(sql_connection, final_query->str, NULL) == -1 ) {
    1490 |         report_sql_error(condat, sql_connection, final_query->str);
    1491 |         error = SQ_errno(sql_connection);
    1492 |     }
    1493 |
    1494 |     g_string_free(select_query, TRUE);
    1495 |     g_string_free(final_query, TRUE);
    1496 |   }
    1497 |
    1498 |   return error;
    1499 | }/* add_ref_name */
    1500 |
    1501 |
    1502 |
    1503 | /* qi_collect_ids */
    1504 | /*++++++++++++++++++++++++++++++++++++++
    1505 |
    1506 |   collects object ID's from all queries defined in the Query_instructions
    1507 |   array. The results from RADIX trees are maintained in a linked list, the
    1508 |   results from SQL lookups are kept in a temporary table. For domains,
    1509 |   a specific function is invoked that may run the referral.
    1510 |   Any sql lookup will be limited to the maximum number of objects allowed
    1511 |   for the client (acl and credit are checked for this).
    1512 |   The routine uses its own temporary _S table, destroyed at exit.
    1513 |
    1514 |   ca_dbSource_t *dbhdl              source-specific identifier (defined in CA)
    1515 |
    1516 |   char *sourcename                  name of the database "source"
    1517 |
    1518 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
    1519 |                                     (replaced on cancel)
    1520 |
    1521 |   Query_instructions *qis           original query instructions structure
    1522 |
    1523 |   Query_environ *qe                 original query environment structure
    1524 |
    1525 |   char *id_table                    the table to store the ID's found
    1526 |
    1527 |   GList **datlist                   the list  to store the Radix leaves found
    1528 |
    1529 |   acc_st *acc_credit                credit for this client
    1530 |
    1531 |   acl_st *acl                       acl for this client
    1532 |
    1533 |   ++++++++++++++++++++++++++++++++++++++*/
    1534 | static
    1535 | int
    1536 | qi_collect_ids(ca_dbSource_t *dbhdl,
    1537 | 	       char *sourcename,
    1538 | 	       SQ_connection_t **sql_connection,
    1539 | 	       Query_instructions *qis,
    1540 | 	       Query_environ *qe,
    1541 | 	       char *id_table,
    1542 | 	       GList **datlist,
    1543 | 	       acc_st *acc_credit,
    1544 | 	       acl_st *acl
    1545 | 	       )
    1546 | {
    1547 |   Query_instruction **ins=NULL;
    1548 |   int i;
    1549 |   int  count, errors=0;
    1550 |   GString *sql_command;
    1551 |   er_ret_t err;
    1552 |   char sub_table[64];
    1553 |   int limit ;
    1554 |              /* a limit on the max number of objects to be returned
    1555 | 		from a single search. For some queries the object types
    1556 | 		are not known at this stage, so the limit must be
    1557 | 		the higher number of the two: private / public,
    1558 | 		or unlimited if any of them is 'unlimited'.
    1559 | 	     */
    1560 |   char limit_str[32];
    1561 |   int sql_error;
    1562 |
    1563 |   /* use a nice resizing GString for our command */
    1564 |   sql_command = g_string_sized_new(STR_XL);
    1565 |
    1566 |   if( (limit = AC_get_higher_limit(acc_credit,acl)) == -1) {
    1567 |     strcpy(limit_str,"");
    1568 |   } else {
    1569 |     sprintf(limit_str," LIMIT %d", limit+1); /* make sure we collect more
    1570 | 						so that the client hits
    1571 | 						the limit */
    1572 |   }
    1573 |
    1574 |   sprintf(sub_table, "%s_S ", id_table);
    1575 |
    1576 |   /* see if there was a leftover table from a crashed session
    1577 |    * (assume the ID cannot be currently in use)
    1578 |    *
    1579 |    * update: this can't ever happen with TEMPORARY tables, but we're going to
    1580 |    *         check for it anyway  - shane
    1581 |    */
    1582 |   g_string_sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
    1583 |   if( SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
    1584 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
    1585 |       return SQ_errno(*sql_connection);
    1586 |   }
    1587 |
    1588 |   /* create a table for special subqueries (domain only for now) */
    1589 |   g_string_sprintf(sql_command,
    1590 |                    "CREATE " TEMPORARY " TABLE %s ( id int ) TYPE=HEAP",
    1591 |                    sub_table);
    1592 |   if( SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
    1593 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
    1594 |       return SQ_errno(*sql_connection);
    1595 |   }
    1596 |
    1597 |   /* Iterate through query instructions */
    1598 |   ins = qis->instruction;
    1599 |   sql_error = 0;
    1600 |   for (i=0; ins[i] != NULL && errors == 0; i++) {
    1601 |     Query_instruction *qi = ins[i];
    1602 |
    1603 |     /* check if the client is still there */
    1604 |     if( qe->condat.rtc ) {
    1605 |       break;
    1606 |     }
    1607 |
    1608 |     switch ( qi->search_type ) {
    1609 |     case R_SQL:
    1610 |       count = 0;
    1611 |       if ( qi->query_str != NULL ) {
    1612 |
    1613 | 	/* handle special cases first */
    1614 | 	if( Query[qi->queryindex].class == C_DN
    1615 | 	    && Query[qi->queryindex].querytype == Q_LOOKUP ) {
    1616 |
    1617 | 	  /* if any more cases than just domain appear, we will be
    1618 | 	     cleaning the _S table from the previous query here
    1619 |
    1620 | 	     "DELETE FROM %s_S"
    1621 | 	  */
    1622 |
    1623 | 	  count = qi_collect_domain(sourcename, *sql_connection, id_table,
    1624 | 				    sub_table, qis, qe, qi, acc_credit,
    1625 | 				    &sql_error);
    1626 | 	} /* if class DN and Straight lookup */
    1627 | 	else {
    1628 | 	  /* any other class of query */
    1629 |
    1630 | 	  g_string_sprintf(sql_command, "INSERT INTO %s %s %s",
    1631 | 		  id_table, qi->query_str, limit_str);
    1632 |
    1633 | 	  if(sql_execute_watched( &(qe->condat), sql_connection,
    1634 | 				  sql_command->str, NULL) == -1 ) {
    1635 | 	    errors++;
    1636 | 	    sql_error = SQ_errno(*sql_connection);
    1637 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command->str);
    1638 | 	  }
    1639 | 	  count = SQ_get_affected_rows(*sql_connection);
    1640 | 	} /* not DN */
    1641 |       } /* if SQL query not NULL */
    1642 |
    1643 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1644 | 		"%d entries added in %s query for %s",
    1645 | 		count, Query[qi->queryindex].descr, qis->qc->keys
    1646 | 		);
    1647 |       break;
    1648 |
    1649 |     case R_RADIX:
    1650 |
    1651 |
    1652 |       err = RP_asc_search(qi->rx_srch_mode, qi->rx_par_a, 0,
    1653 | 			  qi->rx_keys, dbhdl,
    1654 | 			  Query[qi->queryindex].attribute,
    1655 | 			  datlist, limit);
    1656 |
    1657 |
    1658 |       if( NOERR(err)) {
    1659 | 	if( ER_is_traced(FAC_QI, ASP_QI_COLL_DET ) ) {
    1660 | 	  /* prevent unnecessary g_list_length call */
    1661 |
    1662 | 	  ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1663 | 		    "%d entries after %s (mode %d par %d reg %d) query for %s",
    1664 | 		    g_list_length(*datlist),
    1665 | 		    Query[qi->queryindex].descr,
    1666 | 		    qi->rx_srch_mode, qi->rx_par_a,
    1667 | 		    dbhdl,
    1668 | 		    qi->rx_keys);
    1669 | 	}
    1670 |       }
    1671 |       else {
    1672 | 	ER_inf_va(FAC_QI, ASP_QI_COLL_DET,
    1673 | 		  "RP_asc_search returned %x ", err);
    1674 |       }
    1675 |       break;
    1676 |
    1677 |     default: die;
    1678 |     } /* switch */
    1679 |
    1680 |   } /* for <every instruction> */
    1681 |
    1682 |   /* Now drop the _S table */
    1683 |   g_string_sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
    1684 |   if(SQ_execute_query(*sql_connection, sql_command->str, NULL) == -1 ) {
    1685 |       report_sql_error(&qe->condat, *sql_connection, sql_command->str);
    1686 |       sql_error = SQ_errno(*sql_connection);
    1687 |   }
    1688 |
    1689 |   /* free our command buffer */
    1690 |   g_string_free(sql_command, TRUE);
    1691 |
    1692 |   /* return success */
    1693 |   return sql_error;
    1694 | }
    1695 |
    1696 | /* qi_fetch_references */
    1697 | /*++++++++++++++++++++++++++++++++++++++
    1698 |
    1699 |   given the list of object ID's collects the references from these objects
    1700 |   to person and role objects. Uses its own temporary SQL table (_R)
    1701 |   and upon completion transfers the results from it to the main
    1702 |   temporary table. Runs queries in watched mode, to be able to cancel them.
    1703 |
    1704 |   SQ_connection_t **sql_connection  sql connection dedicated to this thread
    1705 |                                     (replaced on cancel)
    1706 |
    1707 |   Query_environ *qe                 original query environment structure
    1708 |
    1709 |   char *id_table                    the table with the ID's found
    1710 |
    1711 |   acc_st *acc_credit                credit for this client
    1712 |
    1713 |   acl_st *acl                       acl for this client
    1714 |
    1715 | ++++++++++++++++++++++++++++++++++++++*/
    1716 | static
    1717 | int
    1718 | qi_fetch_references(SQ_connection_t **sql_connection,
    1719 | 		    Query_environ *qe,
    1720 | 		    char *id_table,
    1721 | 		    acc_st *acc_credit,
    1722 | 		    acl_st *acl
    1723 | 		    )
    1724 | {
    1725 |     char rec_table[64];
    1726 |     SQ_result_set_t *result = NULL;
    1727 |     SQ_row_t *row;
    1728 |     int thisid = 0;
    1729 |     int oldid = 0;
    1730 |     char allnames[STR_L];
    1731 |     char sql_command[STR_XL];
    1732 |     int sql_error;
    1733 |
    1734 |     /* use sql_error to flag errors */
    1735 |     sql_error = 0;
    1736 |
    1737 |     sprintf(rec_table, "%s_R", id_table);
    1738 |
    1739 |     /* see if there was a leftover table from a crashed session
    1740 |      * (assume the ID cannot be currently in use)
    1741 |      */
    1742 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s ", rec_table);
    1743 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
    1744 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
    1745 |         return SQ_errno(*sql_connection);
    1746 |     }
    1747 |
    1748 |     /* a temporary table for recursive data must be created, because
    1749 |        a query using the same table as a source and target is illegal
    1750 |        ( like: INSERT into ID_123 SELECT * FROM ID_123,admin_c WHERE ... )
    1751 |     */
    1752 |     sprintf(sql_command,
    1753 |      "CREATE " TEMPORARY " TABLE %s ( id int PRIMARY KEY NOT NULL ) TYPE=HEAP",
    1754 |      rec_table);
    1755 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1) {
    1756 |         report_sql_error(&qe->condat, *sql_connection, sql_command);
    1757 |         return SQ_errno(*sql_connection);
    1758 |     }
    1759 |
    1760 |     /* from this point on, we can't just return on error, because
    1761 |        we need to insure the table we just created gets dropped */
    1762 |
    1763 |     /* find the contacts */
    1764 |     sprintf(sql_command, Q_REC, rec_table, id_table, "author");
    1765 |     if (sql_execute_watched( &(qe->condat), sql_connection, sql_command, NULL)
    1766 |         == -1)
    1767 |     {
    1768 |         sql_error = SQ_errno(*sql_connection);
    1769 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
    1770 |     }
    1771 |
    1772 |     if (!sql_error) {
    1773 |         sprintf(sql_command, Q_REC, rec_table, id_table, "admin_c");
    1774 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1775 | 	    NULL) == -1)
    1776 |         {
    1777 | 	    sql_error = SQ_errno(*sql_connection);
    1778 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1779 | 	}
    1780 |     }
    1781 |
    1782 |     if (!sql_error) {
    1783 |         sprintf(sql_command, Q_REC, rec_table, id_table, "tech_c");
    1784 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1785 | 	    NULL) == -1)
    1786 |         {
    1787 | 	    sql_error = SQ_errno(*sql_connection);
    1788 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1789 | 	}
    1790 |     }
    1791 |
    1792 |     if (!sql_error) {
    1793 |         sprintf(sql_command, Q_REC, rec_table, id_table, "zone_c");
    1794 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1795 | 	    NULL) == -1)
    1796 |         {
    1797 | 	    sql_error = SQ_errno(*sql_connection);
    1798 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1799 | 	}
    1800 |     }
    1801 |
    1802 |     /* replace references to dummies by references by name */
    1803 |     if (!sql_error) {
    1804 |         sprintf(sql_command,
    1805 | 	    " SELECT id, name    FROM %s IDS STRAIGHT_JOIN names "
    1806 | 	    " WHERE IDS.id = names.object_id "
    1807 | 	    "      AND names.object_type = 100"
    1808 | 	    " ORDER BY id",
    1809 | 	    rec_table);
    1810 |         if (sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1811 | 	    &result) == -1)
    1812 |         {
    1813 | 	    sql_error = SQ_errno(*sql_connection);
    1814 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1815 | 	}
    1816 |     }
    1817 |
    1818 |     /* well, it might not be -1, but if the watchdog worked then the
    1819 |        result is NULL */
    1820 |     if (!sql_error && (result != NULL)) {
    1821 |
    1822 |       allnames[0]=0;
    1823 |       /* now go through the results and collect names */
    1824 |       while ( !sql_error &&
    1825 |               (qe->condat.rtc == 0) &&
    1826 | 	      (row = SQ_row_next(result)) != NULL )
    1827 |       {
    1828 | 	char *id   = SQ_get_column_string(result, row, 0);
    1829 | 	char *name = SQ_get_column_string(result, row, 1);
    1830 |
    1831 | 	thisid = atoi(id);
    1832 |
    1833 | 	/* when the id changes, the name is complete */
    1834 | 	if( thisid != oldid && oldid != 0 ) {
    1835 | 	    sql_error = add_ref_name( *sql_connection, rec_table, allnames,
    1836 |  	                              &qe->condat);
    1837 | 	}
    1838 |
    1839 | 	strcat(allnames, name);
    1840 | 	strcat(allnames, " ");
    1841 | 	oldid = thisid;
    1842 | 	UT_free(id);
    1843 | 	UT_free(name);
    1844 |       }
    1845 |       /* also do the last name */
    1846 |       if (!sql_error) {
    1847 |           sql_error = add_ref_name( *sql_connection, rec_table, allnames,
    1848 | 	                            &qe->condat);
    1849 |       }
    1850 |
    1851 |       SQ_free_result(result); /* we can do it only because the watchdog */
    1852 |       /* has not started between the check for non-NULL result and here */
    1853 |     }
    1854 |
    1855 |     /* if we've lost connection, don't bother with this extra work */
    1856 |     if (!sql_error && (qe->condat.rtc == 0)) {
    1857 |         /* now copy things back to the main temporary table   */
    1858 |         sprintf(sql_command, "INSERT INTO %s SELECT * FROM %s",
    1859 | 	       id_table, rec_table);
    1860 |         if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1861 | 	    sql_error = SQ_errno(*sql_connection);
    1862 | 	    report_sql_error(&qe->condat, *sql_connection, sql_command);
    1863 | 	}
    1864 |     }
    1865 |
    1866 |     /* Now drop the IDS recursive table (try to do this even if
    1867 |        we had an SQL error, to avoid leaving extra tables lying around) */
    1868 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s", rec_table);
    1869 |     if (SQ_execute_query(*sql_connection, sql_command, NULL) == -1 ) {
    1870 |         sql_error = SQ_errno(*sql_connection);
    1871 | 	report_sql_error(&qe->condat, *sql_connection, sql_command);
    1872 |     }
    1873 |
    1874 |     /* return error, if any */
    1875 |     return sql_error;
    1876 | }
    1877 | /* qi_fetch_references */
    1878 |
    1879 |
    1880 | /* QI_execute() */
    1881 | /*++++++++++++++++++++++++++++++++++++++
    1882 |   Execute the query instructions.  This is called for each source.
    1883 |   This is linked into MySQL by the fact that MySQL doesn't have sub selects
    1884 |  (yet).  The queries are done in two stages.  Make some temporary tables and
    1885 |   insert into them.  Then use them in the next select.
    1886 |
    1887 |
    1888 |   ca_dbSource_t *dbhdl            source-specific identifier (defined in CA)
    1889 |
    1890 |   Query_instructions *qis         query instructions.
    1891 |
    1892 |   Query_environ *qe               query environment.
    1893 |
    1894 |   acc_st *acc_credit              object display credit
    1895 |
    1896 |   acl_st *acl                     copy of the original acl for this client
    1897 |
    1898 |   More:
    1899 |   +html+ <PRE>
    1900 |   Authors:
    1901 |         ottrey - original version,
    1902 | 	marek - the rest.
    1903 |   +html+ </PRE>
    1904 | ++++++++++++++++++++++++++++++++++++++*/
    1905 | er_ret_t QI_execute(ca_dbSource_t *dbhdl,
    1906 | 		    Query_instructions *qis,
    1907 | 		    Query_environ *qe,
    1908 | 		    acc_st *acc_credit,
    1909 | 		    acl_st *acl
    1910 | 		    )
    1911 | {
    1912 |   /* those things must be freed after use! */
    1913 |   char *dbhost = ca_get_srcdbmachine(dbhdl);
    1914 |   char *dbname = ca_get_srcdbname(dbhdl);
    1915 |   char *dbuser = ca_get_srcdbuser(dbhdl);
    1916 |   char *dbpass = ca_get_srcdbpassword(dbhdl);
    1917 |   char *srcnam;
    1918 |   unsigned dbport = ca_get_srcdbport(dbhdl);
    1919 |   char id_table[64];
    1920 |   char sql_command[STR_XL];
    1921 |   GList *datlist=NULL;
    1922 |   SQ_connection_t *sql_connection=NULL;
    1923 |   int sql_error;
    1924 |
    1925 |   sql_connection = SQ_get_connection( dbhost, dbport,
    1926 | 				      dbname, dbuser, dbpass );
    1927 |   /* free parameters when done */
    1928 |   UT_free(dbhost);
    1929 |   UT_free(dbuser);
    1930 |   UT_free(dbpass);
    1931 |
    1932 |   /* return error if occurred */
    1933 |   if (sql_connection == NULL) {
    1934 |     ER_perror(FAC_QI, QI_CANTDB," database='%s' [%d] %s",
    1935 | 	      dbname, SQ_errno(sql_connection), SQ_error(sql_connection));
    1936 |     UT_free(dbname);
    1937 |     return QI_CANTDB;
    1938 |   }
    1939 |   UT_free(dbname);
    1940 |
    1941 |   /* from here on out, we use the sql_error flag to verify our
    1942 |      connection to the SQL database is still good */
    1943 |   sql_error = 0;
    1944 |
    1945 |   sprintf(id_table, "ID_%lu_%u",   mysql_thread_id(sql_connection),
    1946 | 	  pthread_self());
    1947 |
    1948 |   /* see if there was a leftover table from a crashed session
    1949 |    * (assume the ID cannot be currently in use)
    1950 |    */
    1951 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
    1952 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
    1953 |       sql_error = SQ_errno(sql_connection);
    1954 |       report_sql_error(&qe->condat, sql_connection, sql_command);
    1955 |   }
    1956 |
    1957 |   /* create a table for id's of all objects found NOT NULL , UNIQUE(id) */
    1958 |   if (!sql_error) {
    1959 |       sprintf(sql_command,
    1960 |               "CREATE " TEMPORARY
    1961 | 	      " TABLE %s ( id INT PRIMARY KEY NOT NULL ) TYPE=HEAP", id_table);
    1962 |       if (SQ_execute_query(sql_connection, sql_command, NULL) == -1 ) {
    1963 |           sql_error = SQ_errno(sql_connection);
    1964 |           report_sql_error(&qe->condat, sql_connection, sql_command);
    1965 |       }
    1966 |   }
    1967 |
    1968 |   if (!sql_error) {
    1969 |       srcnam = ca_get_srcname(dbhdl);
    1970 |       sql_error = qi_collect_ids(dbhdl, srcnam, &sql_connection, qis, qe,
    1971 |                                  id_table, &datlist, acc_credit, acl);
    1972 |       UT_free(srcnam);
    1973 |   }
    1974 |
    1975 |   /* post-processing */
    1976 |   if (!sql_error && (qis->filtered == 0)) {
    1977 |       /* start the watchdog just to set the rtc flag */
    1978 |       SK_watch_setclear(&(qe->condat));
    1979 |       SK_watchstart(&(qe->condat));
    1980 |
    1981 |       /* add radix results (only if -K is not active and still connected) */
    1982 |       if (qe->condat.rtc == 0) {
    1983 |
    1984 |           if (qis->qc->c_irt_search) {
    1985 |               mnt_irt_filter(&(qe->condat), sql_connection, &datlist);
    1986 |           }
    1987 |
    1988 |           sql_error = insert_radix_serials(&(qe->condat),
    1989 | 	                                   sql_connection,
    1990 | 	                                   id_table,
    1991 | 					   datlist);
    1992 |       }
    1993 |
    1994 |       SK_watchstop(&(qe->condat));
    1995 |   }
    1996 |
    1997 |   /* fetch recursive objects (ac,tc,zc,ah) */
    1998 |   if (!sql_error && qis->recursive && (qe->condat.rtc == 0)) {
    1999 |       sql_error = qi_fetch_references(&sql_connection,
    2000 |                                       qe,
    2001 | 				      id_table,
    2002 | 				      acc_credit,
    2003 | 				      acl);
    2004 |   } /* if recursive */
    2005 |
    2006 |   /* display */
    2007 |   /* -K filtering:
    2008 |    * right now only filtering, no expanding sets like write_set_objects()
    2009 |    */
    2010 |
    2011 |   /* display the immediate data from the radix tree */
    2012 |   if (!sql_error && (qis->filtered == 1)) {
    2013 |     write_radix_immediate(datlist, &(qe->condat), acc_credit, acl );
    2014 |   }
    2015 |
    2016 |   /* display objects from the IDs table */
    2017 |   if (!sql_error) {
    2018 |       sql_error = write_objects( &sql_connection, id_table, qis->filtered,
    2019 | 		                qis->fast, &(qe->condat), acc_credit, acl);
    2020 |   }
    2021 |
    2022 |   /* drop the table */
    2023 |   /* try to do this, even if there is an SQL error */
    2024 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
    2025 |   if (SQ_execute_query(sql_connection, sql_command, NULL) == -1) {
    2026 |       sql_error = SQ_errno(sql_connection);
    2027 |       report_sql_error(&qe->condat, sql_connection, sql_command);
    2028 |   }
    2029 |
    2030 |   /* Now disconnect (temporary tables get dropped automatically) */
    2031 |   SQ_close_connection(sql_connection);
    2032 |
    2033 |   /* return appropriate value */
    2034 |   if (sql_error) {
    2035 |      return QI_SQLERR;
    2036 |   } else {
    2037 |      return QI_OK;
    2038 |   }
    2039 | } /* QI_execute() */
    2040 |
    2041 |
    2042 | /* instruction_free() */
    2043 | /*++++++++++++++++++++++++++++++++++++++
    2044 |   Free the instruction.
    2045 |
    2046 |   Query_instruction *qi query_instruction to be freed.
    2047 |
    2048 |   More:
    2049 |   +html+ <PRE>
    2050 |   Authors:
    2051 |         ottrey
    2052 |   +html+ </PRE>
    2053 |   ++++++++++++++++++++++++++++++++++++++*/
    2054 | static void instruction_free(Query_instruction *qi) {
    2055 |   if (qi != NULL) {
    2056 |     if (qi->query_str != NULL) {
    2057 |       UT_free(qi->query_str);
    2058 |     }
    2059 |     UT_free(qi);
    2060 |   }
    2061 | } /* instruction_free() */
    2062 |
    2063 | /* QI_free() */
    2064 | /*++++++++++++++++++++++++++++++++++++++
    2065 |   Free the query_instructions.
    2066 |
    2067 |   Query_instructions *qis Query_instructions to be freed.
    2068 |
    2069 |   More:
    2070 |   +html+ <PRE>
    2071 |   Authors:
    2072 |         ottrey, marek
    2073 |   +html+ </PRE>
    2074 |   ++++++++++++++++++++++++++++++++++++++*/
    2075 | void QI_free(Query_instructions *qis) {
    2076 |   int i;
    2077 |
    2078 |   for (i=0; qis->instruction[i] != NULL; i++) {
    2079 |     instruction_free(qis->instruction[i]);
    2080 |   }
    2081 |
    2082 |   if (qis != NULL) {
    2083 |     UT_free(qis);
    2084 |   }
    2085 |
    2086 | } /* QI_free() */
    2087 |
    2088 | /*++++++++++++++++++++++++++++++++++++++
    2089 |   Determine if this query should be conducted or not.
    2090 |
    2091 |   If it was an inverse query - if the attribute appears in the query command's bitmap.
    2092 |   If it was a lookup query - if the attribute appears in the object type bitmap or
    2093 |                              disregard if there is no object_type bitmap (Ie object filter).
    2094 |
    2095 |   mask_t bitmap The bitmap of attribute to be converted.
    2096 |
    2097 |   const Query_command *qc  The query_command that the instructions are created
    2098 |                            from.
    2099 |
    2100 |   const Query_t q          The query being considered.
    2101 |   +html+ <PRE>
    2102 |   Authors:
    2103 |         ottrey,
    2104 | 	marek.
    2105 |   +html+ </PRE>
    2106 |   ++++++++++++++++++++++++++++++++++++++*/
    2107 | static int valid_query(const Query_command *qc, const Query_t q) {
    2108 |   int result=0;
    2109 |
    2110 |   if (MA_isset(qc->keytypes_bitmap, q.keytype) == 1) {
    2111 |     if (q.query != NULL) {
    2112 |       switch (q.querytype) {
    2113 |         case Q_INVERSE:
    2114 |           if (MA_isset(qc->inv_attrs_bitmap, q.attribute) ) {
    2115 |             result = 1;
    2116 |           }
    2117 |         break;
    2118 |
    2119 |         case Q_LOOKUP:
    2120 | 	  if (q.class == C_ANY
    2121 | 	      || MA_isset(qc->object_type_bitmap, (unsigned) q.class)) {
    2122 |             result=1;
    2123 |           }
    2124 |         break;
    2125 |
    2126 |         default:
    2127 |           /* XXX */fprintf(stderr, "qi:valid_query() -> Bad querytype\n");
    2128 |       }
    2129 |     }
    2130 |   }
    2131 |
    2132 |   return result;
    2133 | } /* valid_query() */
    2134 |
    2135 | /* QI_new() */
    2136 | /*++++++++++++++++++++++++++++++++++++++
    2137 |   Create a new set of query_instructions. Returns an allocated structure which
    2138 |   must be freed after use with QI_free().
    2139 |
    2140 |   const Query_command *qc The query_command that the instructions are created
    2141 |                           from.
    2142 |
    2143 |   const Query_environ *qe The environmental variables that they query is being
    2144 |                           performed under.
    2145 |
    2146 |   +html+ <PRE>
    2147 |   Authors:
    2148 |         ottrey,
    2149 | 	marek.
    2150 |   +html+ </PRE>
    2151 |   ++++++++++++++++++++++++++++++++++++++*/
    2152 | Query_instructions *QI_new(const Query_command *qc, const Query_environ *qe) {
    2153 |   Query_instructions *qis=NULL;
    2154 |   Query_instruction *qi=NULL;
    2155 |   int i_no=0;
    2156 |   int i;
    2157 |   char *query_str;
    2158 |
    2159 |   qis = (Query_instructions *)UT_calloc(1, sizeof(Query_instructions));
    2160 |
    2161 |   qis->filtered = qc->filtered;
    2162 |   qis->fast = qc->fast;
    2163 |   qis->recursive = qc->recursive;
    2164 |   qis->qc = (qc);
    2165 |
    2166 |
    2167 |   for (i=0; Query[i].query != NULL; i++) {
    2168 |
    2169 |     /* If a valid query. */
    2170 |     if ( valid_query(qc, Query[i]) == 1) {
    2171 |
    2172 |       qi = (Query_instruction *)UT_calloc(1, sizeof(Query_instruction));
    2173 |
    2174 |       qi->queryindex = i;
    2175 |
    2176 |       /* SQL Query */
    2177 |       if ( Query[i].refer == R_SQL) {
    2178 |         qi->search_type = R_SQL;
    2179 |         query_str = create_query(Query[i], qc);
    2180 |
    2181 |         if (query_str!= NULL) {
    2182 |           qi->query_str = query_str;
    2183 |           qis->instruction[i_no++] = qi;
    2184 |         }
    2185 |       }
    2186 |       /* Radix Query */
    2187 |       else if (Query[i].refer == R_RADIX) {
    2188 |
    2189 |          /* no inverse queries should use the RADIX tree */
    2190 |         if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
    2191 |             continue;
    2192 |         }
    2193 |
    2194 |         qi->search_type = R_RADIX;
    2195 |
    2196 |         if (map_qc2rx(qi, qc) == 1) {
    2197 | 	  int j;
    2198 | 	  int found=0;
    2199 |
    2200 |           /* check that there is no such query yet, for example if
    2201 | 	     more than one keytype (wk) matched */
    2202 | 	  for (j=0; j<i_no; j++) {
    2203 | 	    Query_instruction *qij = qis->instruction[j];
    2204 |
    2205 | 	    if(    qij->search_type == R_RADIX
    2206 | 		   && Query[qij->queryindex].attribute
    2207 | 		   == Query[qi ->queryindex].attribute) {
    2208 |
    2209 |               found=1;
    2210 |               break;
    2211 |             }
    2212 |           }
    2213 |
    2214 |           if ( found ) {
    2215 |             /* Discard the Query Instruction */
    2216 |             UT_free(qi);
    2217 |           }
    2218 |           else {
    2219 |             /* Add the query_instruction to the array */
    2220 |             qis->instruction[i_no++] = qi;
    2221 |           }
    2222 |         }
    2223 |       }
    2224 |       else {
    2225 | 	  /* ERROR: bad search_type */
    2226 | 	  die;
    2227 |       }
    2228 |     }
    2229 |   }
    2230 |   qis->instruction[i_no++] = NULL;
    2231 |
    2232 |
    2233 |   {  /* tracing */
    2234 |       char *descrstr = QI_queries_to_string(qis);
    2235 |
    2236 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_GEN, "Queries: %s", descrstr );
    2237 |       UT_free( descrstr );
    2238 |   }
    2239 |
    2240 |   return qis;
    2241 |
    2242 | } /* QI_new() */
    2243 |
    2244 |
    2245 |
    2246 |
    2247 |
    2248 | /*++++++++++++++++++++++++++++++++++++++
    2249 |
    2250 |   char *QI_queries_to_string    returns a list of descriptions for queries
    2251 |                                 that will be performed (debugging only).
    2252 | 				Allocated text, must be freed after use.
    2253 |
    2254 |   Query_instructions *qis       query instructions structure
    2255 |
    2256 |   Author:
    2257 |      marek.
    2258 |   ++++++++++++++++++++++++++++++++++++++*/
    2259 |
    2260 | char *QI_queries_to_string(Query_instructions *qis)
    2261 | {
    2262 |    Query_instruction *qi;
    2263 |    int i;
    2264 |    char *resstr;
    2265 |
    2266 |    resstr = (char *)UT_malloc(2);
    2267 |    strcpy(resstr, "{");
    2268 |
    2269 |    for( i = 0; ( qi=qis->instruction[i] ) != NULL;  i++ ) {
    2270 |        char *descr = Query[qi->queryindex].descr;
    2271 |        int oldres = strlen( resstr );
    2272 |
    2273 |        resstr = (char *)UT_realloc(resstr, oldres+strlen(descr)+2);
    2274 |        strcat(resstr, descr);
    2275 |        strcat(resstr, ",");
    2276 |    }
    2277 |    if( i>0 ) {
    2278 |        /* cancel the last comma */
    2279 |        resstr[strlen(resstr)-1] = 0;
    2280 |    }
    2281 |
    2282 |    resstr = (char *)UT_realloc(resstr, strlen(resstr) + 2);
    2283 |    strcat(resstr, "}");
    2284 |
    2285 |    return resstr;
    2286 | }