Source File modules/qi/query_instructions.c

    1    | /***************************************
    2    |   $Revision: 1.62 $
    3    |
    4    |
    5    |   Sql module (sq).  This is a mysql implementation of an sql module.
    6    |
    7    |   Status: NOT REVUED, NOT TESTED
    8    |
    9    |   Note: this code has been heavily coupled to MySQL, and may need to be changed
    10   |   (to improve performance) if a new RDBMS is used.
    11   |
    12   |   ******************/ /******************
    13   |   Filename            : query_instructions.c
    14   |   Author              : ottrey@ripe.net
    15   |   OSs Tested          : Solaris
    16   |   Problems            : Moderately linked to MySQL.  Not sure which inverse
    17   |                         attributes each option has.  Would like to modify this
    18   |                         after re-designing the objects module.
    19   |   Comments            : Not sure about the different keytypes.
    20   |   ******************/ /******************
    21   |   Copyright (c) 1999                              RIPE NCC
    22   |
    23   |   All Rights Reserved
    24   |
    25   |   Permission to use, copy, modify, and distribute this software and its
    26   |   documentation for any purpose and without fee is hereby granted,
    27   |   provided that the above copyright notice appear in all copies and that
    28   |   both that copyright notice and this permission notice appear in
    29   |   supporting documentation, and that the name of the author not be
    30   |   used in advertising or publicity pertaining to distribution of the
    31   |   software without specific, written prior permission.
    32   |
    33   |   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
    34   |   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
    35   |   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
    36   |   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
    37   |   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    38   |   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
    39   |   ***************************************/
    40   | #include <stdio.h>
    41   | #include <string.h>
    42   | #include <glib.h>
    43   |
    44   | #include "which_keytypes.h"
    45   | #include "query_instructions.h"
    46   | #include "mysql_driver.h"
    47   | #include "rp.h"
    48   | #include "stubs.h"
    49   | #include "constants.h"
    50   | #include "memwrap.h"
    51   | #include "wh_queries.h"
    52   |
    53   |
    54   |
    55   | /*+ String sizes +*/
    56   | #define STR_S   63
    57   | #define STR_M   255
    58   | #define STR_L   1023
    59   | #define STR_XL  4095
    60   | #define STR_XXL 16383
    61   |
    62   | /* XXX this must be removed from here!!! a .h file must be
    63   |    generated from xml */
    64   |
    65   | #include "defs.h"
    66   |
    67   | /* body of the query thread.
    68   |
    69   |    takes a ptr to structure with all arguments.
    70   |    returns an int (result of sq_execute_query) cast to (void*)
    71   |
    72   |    by marek
    73   | */
    74   | static
    75   | void *qi_kill_body(void *arg)
    76   | {
    77   |   SQ_connection_t *sql_connection = arg;
    78   |   ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    79   | 	      "rtc: killing SQL connection %d", (sql_connection)->thread_id);
    80   |   /* abort the running query */
    81   |   SQ_abort_query(sql_connection);
    82   |
    83   |   return NULL;
    84   | }
    85   |
    86   | /*
    87   |    wrapper around sq_execute_query: starts a query
    88   |    in a separate thread and starts the socket watcher to cancel the query
    89   |    if the socket is closed.
    90   |
    91   |    the execution of the query or watchdog is not guaranteed at all!
    92   |
    93   |    if the rtc was set before, there will be even no attempt to start
    94   |    a query or watchdog.
    95   |
    96   |    by marek
    97   | */
    98   | int sql_execute_watched(sk_conn_st *condat, SQ_connection_t **sql_connection,
    99   | 			const char *query, SQ_result_set_t **result_ptr)
    100  | {
    101  |   int retval = 0; /* return value of sq_execute_query */
    102  |   SQ_connection_t *tempcon;
    103  |
    104  |   /* assert that, if defined, result_ptr is initialised to NULL
    105  |      prior to calling this function */
    106  |   if( result_ptr != NULL ) {
    107  |     dieif( *result_ptr != NULL );
    108  |   }
    109  |
    110  |   /* don't even try to perform the query/fire up watchdog
    111  |      if rtc is already set. Do this only if not set yet. */
    112  |   if( condat->rtc == 0 ) {
    113  |
    114  |     /* make clean */
    115  |     SK_watch_setclear(condat);
    116  |
    117  |     /* set watchdog to execute the abort function */
    118  |     SK_watch_setexec(condat, qi_kill_body, *sql_connection);
    119  |
    120  |     /* start the watchdog */
    121  |     SK_watchstart(condat);
    122  |
    123  |     /* start query. An error may be returned if the query is aborted */
    124  |     retval = SQ_execute_query(*sql_connection, query, result_ptr);
    125  |
    126  |     /* but short queries will complete before the watchdog kills the
    127  |        connection */
    128  |
    129  |     SK_watchstop(condat);
    130  |
    131  |
    132  |     /* if the watchdog triggered, then it is guaranteed that
    133  |        the kill_body function was invoked and therefore the sql-connection
    134  |        is now unusable...
    135  |        Close and reopen it for cleanup, use temporary connection
    136  |        to keep the login details */
    137  |     if( condat->rtc != 0 ) {
    138  |       /* can't rely on the error code from mysql!
    139  |        */
    140  |
    141  |       /* one thing: this code must be entered ONLY if the kill_body
    142  | 	 thing was invoked by the watchdog.
    143  |       */
    144  |
    145  |       /* if result is defined, free it here before destroying the
    146  | 	 associated connection */
    147  |       if( retval == 0 && result_ptr && *result_ptr ) {
    148  | 	SQ_free_result( *result_ptr );
    149  | 	*result_ptr = NULL;
    150  |       }
    151  |
    152  |       tempcon = SQ_duplicate_connection(*sql_connection);
    153  |
    154  |       ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    155  | 		"rtc: closing SQL thread %d", (*sql_connection)->thread_id);
    156  |       SQ_close_connection(*sql_connection);
    157  |
    158  |       *sql_connection = tempcon;
    159  |       ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    160  | 		"rtc: reopened as thread %d", (*sql_connection)->thread_id);
    161  |
    162  |       /* make it look as if there was no error and
    163  | 	 the result is empty */
    164  |       retval = 0;
    165  |     } /* if watchdog set rtc */
    166  |
    167  |   } /* if rtc not set before */
    168  |
    169  |   return retval;
    170  | }
    171  |
    172  | /* create_name_query() */
    173  | /*++++++++++++++++++++++++++++++++++++++
    174  |   Create an sql query for the names table.
    175  |
    176  |   char *query_str
    177  |
    178  |   const char *sql_query
    179  |
    180  |   const char *keys
    181  |
    182  |   More:
    183  |   +html+ <PRE>
    184  |   Authors:
    185  |   ottrey
    186  |   +html+ </PRE><DL COMPACT>
    187  |   +html+ <DT>Online References:
    188  |   +html+ <DD><UL>
    189  |   +html+ </UL></DL>
    190  |
    191  |   ++++++++++++++++++++++++++++++++++++++*/
    192  | static void create_name_query(char *query_str, const char *sql_query, const char *keys) {
    193  |   int i;
    194  |   /* Allocate stuff - use dynamic strings (initialised to some length) */
    195  |   GString *from_clause = g_string_sized_new(STR_L);
    196  |   GString *where_clause = g_string_sized_new(STR_L);
    197  |   gchar **words = g_strsplit(keys, " ", 0);
    198  |
    199  |   /* double quotes " are used in queries to allow querying for
    200  |      names like O'Hara */
    201  |
    202  |   g_string_sprintfa(from_clause, "names N%.2d", 0);
    203  |   g_string_sprintfa(where_clause, "N%.2d.name=\"%s\"", 0, words[0]);
    204  |
    205  |   for (i=1; words[i] != NULL; i++) {
    206  |     g_string_sprintfa(from_clause, ", names N%.2d", i);
    207  |     g_string_sprintfa(where_clause, " AND N%.2d.name=\"%s\" AND N00.object_id = N%.2d.object_id", i, words[i], i);
    208  |   }
    209  |
    210  |   sprintf(query_str, sql_query, from_clause->str, where_clause->str);
    211  |
    212  |   /* Free up stuff */
    213  |   g_strfreev(words);
    214  |   g_string_free(where_clause,/* CONSTCOND */ TRUE);
    215  |   g_string_free(from_clause, /* CONSTCOND */ TRUE);
    216  |
    217  | } /* create_name_query() */
    218  |
    219  | /*+ create_asblock_query:
    220  |
    221  |   given a string like: AS1
    222  |                        AS1 - AS10
    223  | 		       AS1-AS10
    224  |   construct a range query for the as_block table
    225  | */
    226  | static int create_asblock_query(char *query_str,
    227  | 				const char *sql_query,
    228  | 				const char *keys) {
    229  |   char *keycopy = wr_string(keys);
    230  |   char *token, *cursor = keycopy;
    231  |   int  asnums[2] = {0,0};
    232  |   int index = 0; /* index into the asnums array */
    233  |
    234  |
    235  |   while( (token = strsep( &cursor, "-" )) != NULL && index < 2) {
    236  |     /* discard the letters (or leading whitespace), take the number */
    237  |     if( sscanf(token, "%*[ AS]%d", &asnums[index++]) < 1 ) {
    238  |       return -1; /* error */
    239  |     }
    240  |   }
    241  |   /* if only beginning was supplied, copy it as end */
    242  |   if( index == 1 ) {
    243  |     asnums[1] = asnums[0];
    244  |   }
    245  |
    246  |   /* now construct the query */
    247  |   sprintf(query_str, sql_query, asnums[0], asnums[1]);
    248  |
    249  |   wr_free(keycopy);
    250  |   return 0;
    251  | }
    252  |
    253  | static void add_filter(char *query_str, const Query_command *qc) {
    254  |   int i;
    255  |   int qlen;
    256  |   char filter_atom[STR_M];
    257  |
    258  | #if 0
    259  |   /* dynamic strings */
    260  |
    261  |     if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    262  |       g_string_sprintfa(query_str, " AND (");
    263  |       for (i=0; i < C_END; i++) {
    264  | 	if (MA_isset(qc->object_type_bitmap, i)) {
    265  | 	  g_string_sprintfa(query_str, "i.object_type = %d OR ", DF_get_class_dbase_code(i));
    266  | 	}
    267  |       }
    268  |       g_string_truncate(query_str, query_str->len-3);
    269  |       g_string_append_c(query_str, ')');
    270  |     }
    271  | #endif
    272  |
    273  |   /* add filters only if any bits are 0 (the number of 1's is < MAX_MAX */
    274  |   if (MA_bitcount(qc->object_type_bitmap) != MASK_MAX) {
    275  |     strcat(query_str, " AND (");
    276  |     for (i=0; i < C_END; i++) {
    277  |       if (MA_isset(qc->object_type_bitmap, i)) {
    278  |         strcpy(filter_atom, "");
    279  |         sprintf(filter_atom, "i.object_type = %d OR ", i);
    280  | 	                /* XXX class codes should be used instead:
    281  | 			   DF_get_class_dbase_code(i))
    282  | 			   but currently the tables contain values of enums
    283  | 			   (C_IN, etc) and not codes
    284  | 			*/
    285  |         strcat(query_str, filter_atom);
    286  |       }
    287  |     }
    288  |     qlen = strlen(query_str);
    289  |     query_str[qlen-3] = ')';
    290  |     query_str[qlen-2] = '\0';
    291  |     query_str[qlen-1] = '\0';
    292  |   }
    293  |
    294  | } /* add_filter() */
    295  |
    296  | /* create_query() */
    297  | /*++++++++++++++++++++++++++++++++++++++
    298  |   Create an sql query from the query_command and the matching keytype and the
    299  |   selected inverse attributes.
    300  |   Note this clears the first inv_attribute it sees, so is called sequentially
    301  |   until there are no inv_attributes left.
    302  |
    303  |   WK_Type keytype The matching keytype.
    304  |
    305  |   const Query_command *qc The query command.
    306  |
    307  |   mask_t *inv_attrs_bitmap The selected inverse attributes.
    308  |
    309  |   More:
    310  |   +html+ <PRE>
    311  |   Authors:
    312  |         ottrey
    313  |   +html+ </PRE><DL COMPACT>
    314  |   +html+ <DT>Online References:
    315  |   +html+ <DD><UL>
    316  |   +html+ </UL></DL>
    317  |
    318  |   ++++++++++++++++++++++++++++++++++++++*/
    319  | static char *create_query(const Query_t q, const Query_command *qc) {
    320  |   char *result=NULL;
    321  |   char result_buff[STR_XL];
    322  |   Q_Type_t querytype;
    323  |   int addquery = 0; /* controls if the query should be added to the list */
    324  |
    325  |   if (MA_bitcount(qc->inv_attrs_bitmap) > 0) {
    326  |     querytype = Q_INVERSE;
    327  |   }
    328  |   else {
    329  |     querytype = Q_LOOKUP;
    330  |   }
    331  |
    332  |   if ( (q.query != NULL)
    333  |     && (q.querytype == querytype) ) {
    334  |
    335  |     addquery = 1; /* if it got here, it should be added, unless.(see asblock)*/
    336  |
    337  |     if (q.keytype == WK_NAME) {
    338  |       /* Name queries require special treatment. */
    339  |        create_name_query(result_buff, q.query, qc->keys);
    340  |     }
    341  |     else if( q.keytype == WK_IPADDRESS ) {  /* ifaddr sql lookups */
    342  | 	ip_range_t myrang;
    343  | 	unsigned   begin, end;
    344  | 	ip_keytype_t key_type;
    345  |
    346  | 	if (NOERR(IP_smart_range(qc->keys, &myrang, IP_EXPN, &key_type))) {
    347  | 	    if(IP_rang_b2_space(&myrang) == IP_V4 ) {
    348  | 		IP_rang_b2v4(&myrang, &begin, &end);
    349  | 		sprintf(result_buff, q.query, begin, end);
    350  | 	    }
    351  | 	    else {
    352  | 		die;
    353  | 	    }
    354  | 	}
    355  |     }
    356  |     else if( q.keytype == WK_ASRANGE ) {   /* as_block range composition */
    357  |       if( create_asblock_query(result_buff, q.query, qc->keys) != 0 ) {
    358  | 	addquery = 0; /* ... unless it's not correct */
    359  |       }
    360  |     }
    361  |     else {
    362  |       sprintf(result_buff, q.query, qc->keys);
    363  |     }
    364  |
    365  |     if (q.class == C_ANY && addquery == 1 ) {
    366  |       /* It is class type ANY so add the object filtering */
    367  |       add_filter(result_buff, qc);
    368  |     }
    369  |   }
    370  |
    371  |   if( addquery == 1 ) {
    372  |     dieif( wr_malloc((void **)&result, strlen(result_buff)+1) != UT_OK);
    373  |     strcpy(result, result_buff);
    374  |     return result;
    375  |   }
    376  |   else {
    377  |     return NULL;
    378  |   }
    379  | } /* create_query() */
    380  |
    381  | /* QI_fast_output() */
    382  | /*++++++++++++++++++++++++++++++++++++++
    383  |   This is for the '-F' flag.
    384  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    385  |
    386  |   Fast isn't fast anymore - it's just there for compatibility reasons.
    387  |
    388  |   const char *string        The object to be "fast output'ed".
    389  |
    390  |   More:
    391  |   +html+ <PRE>
    392  |   Authors:
    393  |         ottrey
    394  |   +html+ </PRE><DL COMPACT>
    395  |   +html+ <DT>Online References:
    396  |   +html+ <DD><UL>
    397  |   +html+ </UL></DL>
    398  |
    399  |   ++++++++++++++++++++++++++++++++++++++*/
    400  |
    401  | char *QI_fast_output(const char *str)
    402  | {
    403  |   int i,j;
    404  |   char *result;
    405  |   GString *result_buff = g_string_sized_new(STR_XL);
    406  |   gchar **lines = g_strsplit(str, "\n", 0);
    407  |   unsigned char *value, *colon;
    408  |   char *attr;
    409  |
    410  |   g_string_assign(result_buff, "");
    411  |
    412  |   for (j=0; lines[j] != NULL; j++) {
    413  |
    414  |     switch (lines[j][0]) {
    415  |       /* line continuation */
    416  |     case ' ':
    417  |     case '\t':
    418  |     case '+':
    419  |       value = (unsigned char *) lines[j]+1;
    420  |       while(*value != '\0' && isspace(*value)) {
    421  | 	value++;
    422  |       }
    423  |       g_string_append_c(result_buff, '+ ');
    424  |       g_string_append(result_buff, (char *)value);
    425  |       break;
    426  |
    427  |     default:
    428  |       /* a line of the form "attribute: value" */
    429  |       /* first: close the last line (if there was any, i.e. j>0) */
    430  |       if( j > 0 ) {
    431  | 	g_string_append_c(result_buff, '\n');
    432  |       }
    433  |
    434  |       /* get attribute name */
    435  |       attr =  lines[j];
    436  |       colon = (unsigned char *) strchr(lines[j], ':');
    437  |       /* if there's no colon for whatever reason, dump the object
    438  | 	 and report the condition */
    439  |       if( colon == NULL ) {
    440  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    441  | 	goto fast_output_cleanup;
    442  |       }
    443  |       *colon = '\0';
    444  |       for(value = colon+1; *value != '\0' && isspace(*value) ; value++) {
    445  | 	;
    446  |       }
    447  |
    448  |       if( (i = DF_attribute_name2type(attr)) == -1 ) {
    449  | 	  /* warning! error in the object format */
    450  | 	ER_perror(FAC_QI, QI_INVOBJ, " [%s]", lines[0]);
    451  | 	goto fast_output_cleanup;
    452  |
    453  |       }
    454  |       else {
    455  | 	/* This is the juicy bit that converts the likes of; "source: RIPE" to "*so: RIPE" */
    456  | 	g_string_append_c(result_buff, '*');
    457  | 	g_string_append(result_buff, DF_get_attribute_code(i));
    458  | 	g_string_append(result_buff, ": ");
    459  | 	g_string_append(result_buff, (char *)value);
    460  |       }
    461  |     } /* switch */
    462  |   } /* for every line */
    463  |
    464  |  fast_output_cleanup:
    465  |
    466  |   g_strfreev(lines);
    467  |
    468  |   g_string_append_c(result_buff, '\n');
    469  |   result = strdup(result_buff->str);
    470  |   dieif(result == NULL);
    471  |
    472  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    473  |
    474  |   return result;
    475  | } /* fast_output() */
    476  |
    477  | /* filter() */
    478  | /*++++++++++++++++++++++++++++++++++++++
    479  |   Basically it's for the '-K' flag for non-set (and non-radix) objects.
    480  |   It assumes lines starting with ' ', '\t' or '+' belong to the prior attribute.
    481  |
    482  |   This could be speed up if there were breaks out of the loops, once it matched something.
    483  |   (Wanna add a goto Marek?  :-) ).
    484  |
    485  |   const char *string The string to be filtered.
    486  |
    487  |   More:
    488  |   +html+ <PRE>
    489  |   Authors:
    490  |         ottrey
    491  |   +html+ </PRE><DL COMPACT>
    492  |   +html+ <DT>Online References:
    493  |   +html+ <DD><UL>
    494  |   +html+ </UL></DL>
    495  |
    496  |   ++++++++++++++++++++++++++++++++++++++*/
    497  | char *filter(const char *str) {
    498  |   int i,j, passed=0;
    499  |   char *result;
    500  |   GString *result_buff = g_string_sized_new(STR_XL);
    501  |   gchar **lines = g_strsplit(str, "\n", 0);
    502  |   char * const *filter_names;
    503  |   gboolean filtering_an_attribute = FALSE;
    504  |
    505  |   filter_names = DF_get_filter_names();
    506  |
    507  |   g_string_assign(result_buff, "");
    508  |
    509  |   for (i=0; filter_names[i] != NULL; i++) {
    510  |     for (j=0; lines[j] != NULL; j++) {
    511  |       if (strncmp(filter_names[i], lines[j], strlen(filter_names[i])) == 0) {
    512  |
    513  |         g_string_sprintfa(result_buff, "%s\n", lines[j]);
    514  | 	passed++;
    515  |
    516  | 	/* CONSTCOND */
    517  |         filtering_an_attribute = TRUE;
    518  |       }
    519  |       /* CONSTCOND */
    520  |       else if (filtering_an_attribute == TRUE) {
    521  |         switch (lines[j][0]) {
    522  |           case ' ':
    523  |           case '\t':
    524  |           case '+':
    525  |
    526  |             g_string_sprintfa(result_buff, "%s\n", lines[j]);
    527  |
    528  |           break;
    529  |
    530  |           default:
    531  |             filtering_an_attribute = FALSE;
    532  |         }
    533  |       }
    534  |     }
    535  |   }
    536  |
    537  |   g_strfreev(lines);
    538  |
    539  |   if(passed) {
    540  |     g_string_append(result_buff, "\n");
    541  |   }
    542  |   result = strdup(result_buff->str);
    543  |   g_string_free(result_buff,/* CONSTCOND */ TRUE);
    544  |
    545  |   return result;
    546  | } /* filter() */
    547  |
    548  | /* write_results() */
    549  | /*++++++++++++++++++++++++++++++++++++++
    550  |   Write the results to the client socket.
    551  |
    552  |   SQ_result_set_t *result The result set returned from the sql query.
    553  |   unsigned filtered       if the objects should go through a filter (-K)
    554  |   sk_conn_st *condat      Connection data for the client
    555  |
    556  |   More:
    557  |   +html+ <PRE>
    558  |   Authors:
    559  |         ottrey
    560  | 	marek
    561  |   +html+ </PRE><DL COMPACT>
    562  |   +html+ <DT>Online References:
    563  |   +html+ <DD><UL>
    564  |   +html+ </UL></DL>
    565  |
    566  |   ++++++++++++++++++++++++++++++++++++++*/
    567  | static int write_results(SQ_result_set_t *result,
    568  | 			 unsigned filtered,
    569  | 			 unsigned fast,
    570  | 			 sk_conn_st *condat,
    571  | 			 acc_st    *acc_credit,
    572  | 			 acl_st    *acl
    573  | 			 ) {
    574  |   SQ_row_t *row;
    575  |   char *str;
    576  |   char *filtrate;
    577  |   char *fasted;
    578  |   int retrieved_objects=0;
    579  |   char *objt;
    580  |   int type;
    581  |
    582  |   /* Get all the results - one at a time */
    583  |   if (result != NULL) {
    584  |     /* here we are making use of the mysql_store_result capability
    585  |        of interrupting the cycle of reading rows. mysql_use_result
    586  |        would not allow that, would have to be read until end */
    587  |
    588  |     while ( condat->rtc == 0
    589  | 	    && AC_credit_isdenied( acc_credit ) == 0
    590  | 	    && (row = SQ_row_next(result)) != NULL ) {
    591  |
    592  |       if (  (str = SQ_get_column_string(result, row, 0)) == NULL
    593  | 	    || (objt = SQ_get_column_string(result, row, 3)) == NULL )  {
    594  | 	/* handle it somehow ? */
    595  | 	die;
    596  |       }
    597  |       else  {
    598  | 	/* get + add object type */
    599  | 	type = atoi(objt);
    600  |
    601  | 	/* ASP_QI_LAST_DET */
    602  | 	ER_dbg_va(FAC_QI, ASP_QI_LAST_DET,
    603  | 		  "Retrieved serial id = %d , type = %s", atoi(str), objt);
    604  |
    605  | 	wr_free(str);
    606  | 	wr_free(objt);
    607  |       }
    608  |
    609  |       /* decrement credit for accounting purposes */
    610  |       AC_count_object( acc_credit, acl,
    611  | 		       type == C_PN || type == C_RO ); /* is private? */
    612  |
    613  |       /* break the loop if the credit has just been exceeded and
    614  | 	 further results denied */
    615  |       if( AC_credit_isdenied( acc_credit ) ) {
    616  | 	continue;
    617  |       }
    618  |
    619  |       if ((str = SQ_get_column_string(result, row, 2)) == NULL) { die; }
    620  |       else {
    621  |
    622  |         /* The fast output stage */
    623  |         if (fast == 1) {
    624  |           fasted = QI_fast_output(str);
    625  |           wr_free(str);
    626  |           str = fasted;
    627  |         }
    628  |
    629  |         /* The filtering stage */
    630  |         if (filtered == 0) {
    631  |           SK_cd_puts(condat, str);
    632  | 	  SK_cd_puts(condat, "\n");
    633  |         }
    634  |         else {
    635  |
    636  | 	  /* XXX accounting should be done AFTER filtering, not to count
    637  | 	     objects filtered out */
    638  |
    639  |           filtrate = filter(str);
    640  |           SK_cd_puts(condat, filtrate);
    641  |           wr_free(filtrate);
    642  |         }
    643  |         retrieved_objects++;
    644  |       }
    645  |       wr_free(str);
    646  |     }
    647  |   }
    648  |
    649  |   return retrieved_objects;
    650  | } /* write_results() */
    651  |
    652  | /* write_objects() */
    653  | /*++++++++++++++++++++++++++++++++++++++
    654  |   This is linked into MySQL by the fact that MySQL doesn't have sub selects
    655  |   (yet).  The queries are done in two stages.  Make some temporary tables and
    656  |   insert into them.  Then use them in the next select.
    657  |
    658  |   SQ_connection_t *sql_connection The connection to the database.
    659  |
    660  |   char *id_table The id of the temporary table (This is a result of the hacky
    661  |                   way we've tried to get MySQL to do sub-selects.)
    662  |
    663  |   sk_conn_st *condat  Connection data for the client
    664  |
    665  |   More:
    666  |   +html+ <PRE>
    667  |   Authors:
    668  |         ottrey
    669  |   +html+ </PRE><DL COMPACT>
    670  |   ++++++++++++++++++++++++++++++++++++++*/
    671  | static void write_objects(SQ_connection_t **sql_connection,
    672  | 			  char *id_table,
    673  | 			  unsigned int filtered,
    674  | 			  unsigned int fast,
    675  | 			  sk_conn_st *condat,
    676  | 			  acc_st    *acc_credit,
    677  | 			  acl_st    *acl
    678  | 			  )
    679  | {
    680  |   SQ_result_set_t *result = NULL;
    681  |   int retrieved_objects=0;
    682  |   char sql_command[STR_XL];
    683  | #if 0
    684  |   SQ_result_set_t *order_res;
    685  |   SQ_row_t *order_row;
    686  |
    687  |   SQ_execute_query( *sql_connection, "SELECT object_type FROM object_order ORDER BY order_code", &order_res );
    688  |   while( (order_row = SQ_row_next(order_res)) != NULL ) {
    689  |     char *object_type = SQ_get_column_string(order_res, order_row, 0);
    690  |     sprintf(sql_command, Q_OBJECTS, id_table, object_type);
    691  |
    692  |     exec/write
    693  |   }
    694  |   SQ_free_result(order_res);
    695  | #endif
    696  |
    697  |   sprintf(sql_command, Q_OBJECTS, id_table);
    698  |
    699  |   dieif(sql_execute_watched(condat, sql_connection, sql_command, &result) == -1 );
    700  |
    701  |   /* Problem: if the query was aborted, the result structure does not
    702  |      refer to any existing connection anymore. So we check rtc here.
    703  |   */
    704  |
    705  |   if( condat->rtc == 0) {
    706  |     retrieved_objects = write_results(result, filtered, fast, condat,
    707  | 				      acc_credit, acl);
    708  |     SQ_free_result(result);
    709  |   }
    710  | } /* write_objects() */
    711  |
    712  | /* insert_radix_serials() */
    713  | /*++++++++++++++++++++++++++++++++++++++
    714  |   Insert the radix serial numbers into a temporary table in the database.
    715  |
    716  |   mask_t bitmap The bitmap of attribute to be converted.
    717  |
    718  |   SQ_connection_t *sql_connection The connection to the database.
    719  |
    720  |   char *id_table The id of the temporary table (This is a result of the hacky
    721  |                   way we've tried to get MySQL to do sub-selects.)
    722  |
    723  |   GList *datlist The list of data from the radix tree.
    724  |
    725  |   More:
    726  |   +html+ <PRE>
    727  |   Authors:
    728  |         ottrey
    729  |   +html+ </PRE><DL COMPACT>
    730  |   +html+ <DT>Online References:
    731  |   +html+ <DD><UL>
    732  |              <LI><A HREF="http://www.gtk.org/rdp/glib/glib-doubly-linked-lists.html">Glist</A>
    733  |   +html+ </UL></DL>
    734  |
    735  |   ++++++++++++++++++++++++++++++++++++++*/
    736  | static void insert_radix_serials(sk_conn_st *condat,
    737  | 				 SQ_connection_t *sql_connection,
    738  | 				 char *id_table, GList *datlist) {
    739  |   GList    *qitem;
    740  |   char sql_command[STR_XL];
    741  |   int serial;
    742  |
    743  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    744  |     rx_datcpy_t *datcpy = qitem->data;
    745  |
    746  |     serial = datcpy->leafcpy.data_key;
    747  |
    748  |     sprintf(sql_command, "INSERT INTO %s values (%d)", id_table, serial);
    749  |     dieif(SQ_execute_query(sql_connection, sql_command, NULL) == -1);
    750  |
    751  |     wr_free(datcpy->leafcpy.data_ptr);
    752  |
    753  |     if(condat->rtc != 0) {
    754  |       break;
    755  |     }
    756  |   }
    757  |
    758  |   wr_clear_list( &datlist );
    759  |
    760  | } /* insert_radix_serials() */
    761  |
    762  |
    763  | /* write_radix_immediate() */
    764  | /*++++++++++++++++++++++++++++++++++++++
    765  |   Display the immediate data carried with the objects returned by the
    766  |   radix tree.
    767  |
    768  |   GList *datlist      The linked list of dataleaf copies
    769  |   sk_conn_st *condat  Connection data for the client
    770  |   acc_st  *acc_credit Accounting struct
    771  |
    772  | More:
    773  |   +html+ <PRE>
    774  |   Authors:
    775  |         marek
    776  |   +html+ </PRE><DL COMPACT>
    777  |   +html+ <DT>Online References:
    778  |   +html+ <DD><UL>
    779  |   +html+ </UL></DL>
    780  |
    781  |
    782  |   Also free the list of answers.
    783  | */
    784  | static void write_radix_immediate(GList *datlist,
    785  | 				  sk_conn_st *condat,
    786  | 				  acc_st    *acc_credit,
    787  | 				  acl_st    *acl)
    788  | {
    789  |   GList    *qitem;
    790  |
    791  |   for( qitem = g_list_first(datlist); qitem != NULL; qitem = g_list_next(qitem)) {
    792  |     rx_datcpy_t *datcpy = qitem->data;
    793  |
    794  |     SK_cd_puts(condat, datcpy->leafcpy.data_ptr );
    795  |     SK_cd_puts(condat, "\n");
    796  |
    797  |     wr_free(datcpy->leafcpy.data_ptr);
    798  |
    799  |     AC_count_object(acc_credit, acl, 0 /* public object (private=0) */ );
    800  |
    801  |     if(condat->rtc != 0) {
    802  |       break;
    803  |     }
    804  |   }
    805  |
    806  |   wr_clear_list( &datlist );
    807  | } /* write_radix_immediate() */
    808  |
    809  |
    810  | /* map_qc2rx() */
    811  | /*++++++++++++++++++++++++++++++++++++++
    812  |   The mapping between a query_command and a radix query.
    813  |
    814  |   Query_instruction *qi The Query Instruction to be created from the mapping
    815  |                         of the query command.
    816  |
    817  |   const Query_command *qc The query command to be mapped.
    818  |
    819  |   More:
    820  |   +html+ <PRE>
    821  |   Authors:
    822  |         ottrey
    823  |   +html+ </PRE><DL COMPACT>
    824  |   +html+ <DT>Online References:
    825  |   +html+ <DD><UL>
    826  |   +html+ </UL></DL>
    827  |
    828  |   ++++++++++++++++++++++++++++++++++++++*/
    829  | static int map_qc2rx(Query_instruction *qi, const Query_command *qc) {
    830  |   int result=1;
    831  |
    832  |   qi->rx_keys = qc->keys;
    833  |
    834  |   if ( (qc->L == 0) && (qc->M == 0) && (qc->l == 0) && (qc->m == 0) && (qc->x == 0) ) {
    835  |     qi->rx_srch_mode = RX_SRCH_EXLESS;
    836  |       qi->rx_par_a = 0;
    837  |   }
    838  |   else if ( (qc->L == 1) && (qc->M == 0) && (qc->l == 0) && (qc->m == 0) && (qc->x == 0) ) {
    839  |     qi->rx_srch_mode = RX_SRCH_LESS;
    840  |     qi->rx_par_a = RX_ALL_DEPTHS;
    841  |   }
    842  |   else if ( (qc->L == 0) && (qc->M == 1) && (qc->l == 0) && (qc->m == 0) && (qc->x == 0) ) {
    843  |     qi->rx_srch_mode = RX_SRCH_MORE;
    844  |       qi->rx_par_a = RX_ALL_DEPTHS;
    845  |   }
    846  |   else if ( (qc->L == 0) && (qc->M == 0) && (qc->l == 1) && (qc->m == 0) && (qc->x == 0) ) {
    847  |     qi->rx_srch_mode = RX_SRCH_LESS;
    848  |     qi->rx_par_a = 1;
    849  |   }
    850  |   else if ( (qc->L == 0) && (qc->M == 0) && (qc->l == 0) && (qc->m == 1) && (qc->x == 0) ) {
    851  |     qi->rx_srch_mode = RX_SRCH_MORE;
    852  |     qi->rx_par_a = 1;
    853  |   }
    854  |   else if ( (qc->L == 0) && (qc->M == 0) && (qc->l == 0) && (qc->m == 0) && (qc->x == 1) ) {
    855  |     qi->rx_srch_mode = RX_SRCH_EXACT;
    856  |     qi->rx_par_a = 0;
    857  |   }
    858  |   else {
    859  |       /* user error  (this should have been checked before) */
    860  |
    861  |       ER_dbg_va(FAC_QI, ASP_QI_SKIP,
    862  | 		"ERROR in qc2rx mapping: bad combination of flags");
    863  |       result = 0;
    864  |   }
    865  |
    866  |   if( qi->rx_srch_mode == RX_SRCH_MORE && (qc->S == 1) ) {
    867  |     qi->rx_srch_mode = RX_SRCH_DBLS;
    868  |   }
    869  |
    870  |   return result;
    871  |
    872  | } /* map_qc2rx() */
    873  |
    874  |
    875  | /* run_referral() */
    876  | /*
    877  |    invoked when no such domain found. Goes through the domain table
    878  |    and searches for shorter domains, then if it finds one with referral
    879  |    it performs it, otherwise it just returns nothing.
    880  |
    881  |    to perform referral, it actually composes the referral query
    882  |    for a given host/port/type and calls the whois query function.
    883  |
    884  |    Well, it returns nothing anyway (void). It just prints to the socket.
    885  |
    886  | */
    887  | void run_referral(Query_environ *qe,
    888  | 		  char *ref_host,
    889  | 		  int  ref_port_int,
    890  | 		  char *ref_type,
    891  | 		  char *qry)
    892  | {
    893  |
    894  |
    895  |         /* WH_sock(sock, host, port, query, maxlines, timeout)) */
    896  |   switch( WH_sock(qe->condat.sock, ref_host, ref_port_int, qry,  25, 5) ) {
    897  |   case WH_TIMEOUT:
    898  |     SK_cd_puts(&(qe->condat),"referral timeout\n");/* YYY configurable constant: text  */
    899  |     break;
    900  |
    901  |   case WH_MAXLINES:
    902  |     SK_cd_puts(&(qe->condat),"referral maxlines exceeded\n");/* YYY configurable constant: text  */
    903  |     break;
    904  |
    905  |   case WH_BADHOST:
    906  |     SK_cd_puts(&(qe->condat),"referral host not found\n");/* YYY configurable constant: text  */
    907  |     break;
    908  |
    909  |   case WH_CONNECT:
    910  |     SK_cd_puts(&(qe->condat),"referral host not responding\n");/* YYY configurable constant: text  */
    911  |     break;
    912  |
    913  |   case WH_BIND:
    914  |   case WH_SOCKET:
    915  |     /* XXX internal server problem... what to do - wait ? */
    916  |   default:
    917  |     ;
    918  |   } /*switch WH_sock */
    919  |
    920  |
    921  | }/*run_referral*/
    922  |
    923  | static
    924  | void qi_prep_run_refer(char *domain,
    925  | 		       Query_instructions *qis,
    926  | 		       Query_environ *qe,
    927  | 		       Query_instruction *qi,
    928  | 		       SQ_result_set_t *result, SQ_row_t *row,
    929  | 		       char *sourcename )
    930  | {
    931  |     char *ref_host = SQ_get_column_string(result, row, 2);
    932  |     char *ref_type = SQ_get_column_string(result, row, 0);
    933  |     char *ref_port = SQ_get_column_string(result, row, 1);
    934  |     int  ref_port_int;
    935  |     char querystr[STR_L];
    936  |
    937  |     /* get the integer value, it should be correct */
    938  |     if( sscanf( ref_port, "%d",&ref_port_int) < 1 ) {
    939  | 	die;
    940  |     }
    941  |
    942  |     strcpy(querystr,"");
    943  |
    944  |     /* put -r if the reftype is RIPE and -r or -i were used */
    945  |     if( strcmp(ref_type,"RIPE") == 0
    946  | 	&& ( Query[qi->queryindex].querytype == Q_INVERSE
    947  | 	     || qis->recursive > 0  )   ) {
    948  | 	strcat(querystr," -r ");
    949  |     }
    950  |
    951  |     /* prepend with -Vversion,IP for type CLIENTADDRESS */
    952  |     if( strcmp(ref_type,"CLIENTADDRESS") == 0 ) {
    953  | 	char optv[STR_M];
    954  |
    955  | 	snprintf(optv,STR_M," -V%s,%s ",VERSION, qe->condat.ip);
    956  | 	strcat(querystr,optv);
    957  |     }
    958  |
    959  |     /* now set the search term - set to the stripped down version
    960  |        for inverse query, full-length otherwise */
    961  |     if( Query[qi->queryindex].querytype == Q_INVERSE ) {
    962  | 	strcat(querystr, domain);
    963  |     }
    964  |     else {
    965  | 	strcat(querystr, qis->qc->keys);
    966  |     }
    967  |
    968  |     {
    969  | 	/* the object is not from %s,
    970  | 	   it comes from %s %d, use -R to see %s */
    971  | 	char *rep = ca_get_qi_fmt_refheader ;
    972  | 	SK_cd_printf(&(qe->condat), rep,
    973  | 		     sourcename,
    974  | 		     ref_host, ref_port_int,
    975  | 		     sourcename );
    976  | 	wr_free(rep);
    977  |     }
    978  |
    979  |     /* do the referral */
    980  |     ER_dbg_va(FAC_QI, ASP_QI_REF_GEN, "referral host is %s", ref_host);
    981  |
    982  |     run_referral( qe, ref_host, ref_port_int, ref_type, querystr);
    983  |
    984  |     { /* End of referred query result */
    985  | 	char *rep = ca_get_qi_reftrailer ;
    986  | 	SK_cd_puts(&(qe->condat), rep);
    987  | 	wr_free(rep);
    988  |     }
    989  | }
    990  |
    991  |
    992  | static int
    993  | qi_collect_domain(char *sourcename,
    994  | 		  SQ_connection_t *sql_connection,
    995  | 		  char *id_table,
    996  | 		  char *sub_table,
    997  | 		  Query_instructions *qis,
    998  | 		  Query_environ *qe,
    999  | 		  Query_instruction *qi,
    1000 | 		  acc_st *acc_credit)
    1001 | {
    1002 |   char *domain = qis->qc->keys;
    1003 |   char *dot = domain;
    1004 |   int subcount = 0;
    1005 |   int foundcount = 0;
    1006 |   int domainnotfound = 0;
    1007 |
    1008 |   /* while nothing found and still some pieces of the name left */
    1009 |   while( dot != NULL && subcount == 0 ) {
    1010 |     int refcount = 0;
    1011 |     SQ_row_t *row;
    1012 |     SQ_result_set_t *result = NULL;
    1013 |     char sql_command[STR_XL];
    1014 |
    1015 |     ER_dbg_va(FAC_QI, ASP_QI_REF_DET, "run_referral: checking %s", dot);
    1016 |
    1017 |     /* domain lookup -- query into the _S table */
    1018 |     sprintf(sql_command, "INSERT INTO %s SELECT object_id FROM domain WHERE domain = '%s'", sub_table, dot);
    1019 |
    1020 |     dieif( SQ_execute_query(sql_connection, sql_command, NULL) == -1);
    1021 |     subcount = SQ_get_affected_rows(sql_connection);
    1022 |     /* see if the original domain is in the database */
    1023 |     if( dot == domain && subcount == 0 ) {
    1024 | 	domainnotfound = 1;
    1025 |     }
    1026 |
    1027 |     /* referral check. Always done if no domain was found
    1028 |        and -R is not in effect */
    1029 |     if( domainnotfound && qis->qc->R == 0 ) {
    1030 |       sprintf(sql_command, "SELECT type, port, host FROM %s ID, refer WHERE ID.id = refer.object_id", sub_table);
    1031 |       dieif( SQ_execute_query(sql_connection, sql_command, &result) == -1);
    1032 |       refcount = SQ_num_rows(result);
    1033 |
    1034 |
    1035 |       if( refcount != 0      /* if domain found and has referral in it */
    1036 | 	  || Query[qi->queryindex].querytype == Q_INVERSE)/* or inverse */ {
    1037 |
    1038 | 	  /* get the referral parameters and perform it
    1039 | 	     foreach domain with 'refer' found in this step
    1040 | 	     (can be many on eg. "-i nserver very.important.server" )
    1041 | 	  */
    1042 | 	  while( (row = SQ_row_next(result)) != NULL) {
    1043 |
    1044 | 	      /* now: query for the original domain */
    1045 | 	    qi_prep_run_refer(domain,
    1046 | 			      qis, qe, qi, result, row, sourcename);
    1047 |
    1048 | 	    acc_credit->referrals -= 1;
    1049 | 	    dot = NULL; /* don't make another round */
    1050 |
    1051 | 	  } /* foreach domain with 'refer' found in this step */
    1052 | 	}
    1053 |     }
    1054 |     else {
    1055 | 	/* if referral disabled or domain found,
    1056 | 	   pass what's in _S and quit */
    1057 |
    1058 | 	sprintf(sql_command, "INSERT INTO %s SELECT id FROM %s",
    1059 | 		id_table, sub_table);
    1060 | 	dieif( SQ_execute_query(sql_connection, sql_command, NULL) == -1);
    1061 | 	foundcount = SQ_get_affected_rows(sql_connection);
    1062 |
    1063 |     } /* if not found or disabled by -R */
    1064 |
    1065 |     SQ_free_result(result);
    1066 |     result = NULL;
    1067 |
    1068 |     if( dot != NULL && (dot=index(dot,'.')) != NULL) {
    1069 |       dot++;
    1070 |     }
    1071 |   }
    1072 |
    1073 |   return foundcount;
    1074 | } /* check_domain */
    1075 |
    1076 | static
    1077 | void
    1078 | add_ref_name(SQ_connection_t *sql_connection,
    1079 | 	     char *rectable,
    1080 | 	     char *allnames
    1081 | 	     )
    1082 | {
    1083 |   /* construct the query, allow zero-length list */
    1084 |   if( strlen(allnames) > 0 ) {
    1085 |     char final_query[STR_XL];
    1086 |     char select_query[STR_XL];
    1087 |
    1088 |     create_name_query(select_query, "SELECT N00.object_id FROM %s WHERE %s "
    1089 | 		      "AND N00.object_type != 100 AND N00.thread_id = 0",
    1090 | 		      allnames);
    1091 |
    1092 |     sprintf(final_query, "INSERT INTO %s %s",
    1093 | 	    rectable,
    1094 | 	    select_query);
    1095 |
    1096 |     dieif(SQ_execute_query(sql_connection, final_query, NULL) == -1 );
    1097 |
    1098 |     allnames[0]=0;
    1099 |   }
    1100 | }
    1101 |
    1102 | static
    1103 | void
    1104 | qi_collect_ids(ca_dbSource_t *dbhdl,
    1105 | 	       char *sourcename,
    1106 | 	       SQ_connection_t **sql_connection,
    1107 | 	       Query_instructions *qis,
    1108 | 	       Query_environ *qe,
    1109 | 	       char *id_table,
    1110 | 	       GList **datlist,
    1111 | 	       acc_st *acc_credit,
    1112 | 	       acl_st *acl
    1113 | 	       )
    1114 | {
    1115 |   Query_instruction **ins=NULL;
    1116 |   int i;
    1117 |   int  count, errors=0;
    1118 |   char sql_command[STR_XL];
    1119 |   er_ret_t err;
    1120 |   char sub_table[32];
    1121 |   int limit ;
    1122 |              /* a limit on the max number of objects to be returned
    1123 | 		from a single search. For some queries the object types
    1124 | 		are not known at this stage, so the limit must be
    1125 | 		the higher number of the two: private / public,
    1126 | 		or unlimited if any of them is 'unlimited'.
    1127 | 	     */
    1128 |   char limit_str[32];
    1129 |
    1130 |   if( (limit = AC_get_higher_limit(acc_credit,acl)) == -1) {
    1131 |     strcpy(limit_str,"");
    1132 |   } else {
    1133 |     sprintf(limit_str," LIMIT %d", limit+1); /* make sure we collect more
    1134 | 						so that the client hits
    1135 | 						the limit */
    1136 |   }
    1137 |
    1138 |   sprintf(sub_table, "%s_S ", id_table);
    1139 |
    1140 |   /* see if there was a leftover table from a crashed session
    1141 |    * (assume the ID cannot be currently in use)
    1142 |    */
    1143 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s", sub_table);
    1144 |   dieif( SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1145 |
    1146 |   /* create a table for special subqueries (domain only for now) */
    1147 |   sprintf(sql_command, "CREATE TABLE %s ( id int ) TYPE=HEAP", sub_table);
    1148 |   dieif( SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1149 |
    1150 |   /* Iterate through query instructions */
    1151 |   ins = qis->instruction;
    1152 |   for (i=0; ins[i] != NULL && errors == 0; i++) {
    1153 |     Query_instruction *qi = ins[i];
    1154 |
    1155 |     /* check if the client is still there */
    1156 |     if( qe->condat.rtc ) {
    1157 |       break;
    1158 |     }
    1159 |
    1160 |     switch ( qi->search_type ) {
    1161 |     case R_SQL:
    1162 |       if ( qi->query_str != NULL ) {
    1163 |
    1164 | 	/* handle special cases first */
    1165 | 	if( Query[qi->queryindex].class == C_DN
    1166 | 	    && Query[qi->queryindex].querytype == Q_LOOKUP ) {
    1167 |
    1168 | 	  /* if any more cases than just domain appear, we will be
    1169 | 	     cleaning the _S table from the previous query here
    1170 |
    1171 | 	     "DELETE FROM %s_S"
    1172 | 	  */
    1173 |
    1174 | 	  count = qi_collect_domain(sourcename, *sql_connection, id_table,
    1175 | 				    sub_table, qis, qe, qi, acc_credit);
    1176 | 	} /* if class DN and Straight lookup */
    1177 | 	else {
    1178 | 	  /* any other class of query */
    1179 |
    1180 | 	  sprintf(sql_command, "INSERT INTO %s %s %s",
    1181 | 		  id_table, qi->query_str, limit_str);
    1182 |
    1183 | 	  if(sql_execute_watched( &(qe->condat), sql_connection,
    1184 | 				  sql_command, NULL) == -1 ) {
    1185 |
    1186 | 	    ER_perror(FAC_QI, QI_SQLERR," query='%s' [%d] %s",
    1187 | 		      sql_command,
    1188 | 		      SQ_errno(*sql_connection), SQ_error(*sql_connection));
    1189 | 	    errors++;
    1190 | 	  }
    1191 | 	  count = SQ_get_affected_rows(*sql_connection);
    1192 | 	} /* not DN */
    1193 |       } /* if SQL query not NULL */
    1194 |
    1195 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1196 | 		"%d entries added in %s query for %s",
    1197 | 		count, Query[qi->queryindex].descr, qis->qc->keys
    1198 | 		);
    1199 |       break;
    1200 |
    1201 |     case R_RADIX:
    1202 |
    1203 |
    1204 |       err = RP_asc_search(qi->rx_srch_mode, qi->rx_par_a, 0,
    1205 | 			  qi->rx_keys, dbhdl,
    1206 | 			  Query[qi->queryindex].attribute,
    1207 | 			  datlist, limit);
    1208 |
    1209 |
    1210 |       if( NOERR(err)) {
    1211 | 	if( ER_is_traced(FAC_QI, ASP_QI_COLL_DET ) ) {
    1212 | 	  /* prevent unnecessary g_list_length call */
    1213 |
    1214 | 	  ER_dbg_va(FAC_QI, ASP_QI_COLL_DET,
    1215 | 		    "%d entries after %s (mode %d par %d reg %d) query for %s",
    1216 | 		    g_list_length(*datlist),
    1217 | 		    Query[qi->queryindex].descr,
    1218 | 		    qi->rx_srch_mode, qi->rx_par_a,
    1219 | 		    dbhdl,
    1220 | 		    qi->rx_keys);
    1221 | 	}
    1222 |       }
    1223 |       else {
    1224 | 	ER_inf_va(FAC_QI, ASP_QI_COLL_DET,
    1225 | 		  "RP_asc_search returned %x ", err);
    1226 |       }
    1227 |       break;
    1228 |
    1229 |     default: die;
    1230 |     } /* switch */
    1231 |
    1232 |   } /* for <every instruction> */
    1233 |
    1234 |   /* Now drop the _S table */
    1235 |   sprintf(sql_command, "DROP TABLE %s", sub_table);
    1236 |   dieif(SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1237 |
    1238 | }
    1239 |
    1240 | static
    1241 | void
    1242 | qi_fetch_references(SQ_connection_t **sql_connection,
    1243 | 		    Query_environ *qe,
    1244 | 		    char *id_table,
    1245 | 		    acc_st *acc_credit,
    1246 | 		    acl_st *acl
    1247 | 		    )
    1248 | {
    1249 | char rec_table[32];
    1250 |     SQ_result_set_t *result = NULL;
    1251 |     SQ_row_t *row;
    1252 |     int thisid = 0;
    1253 |     int oldid = 0;
    1254 |     char allnames[STR_L];
    1255 |     char sql_command[STR_XL];
    1256 |
    1257 |     sprintf(rec_table, "%s_R", id_table);
    1258 |
    1259 |     /* see if there was a leftover table from a crashed session
    1260 |      * (assume the ID cannot be currently in use)
    1261 |      */
    1262 |     sprintf(sql_command, "DROP TABLE IF EXISTS %s ", rec_table);
    1263 |     dieif( SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1264 |
    1265 |     /* a temporary table for recursive data must be created, because
    1266 |        a query using the same table as a source and target is illegal
    1267 |        ( like: INSERT into ID_123 SELECT * FROM ID_123,admin_c WHERE ... )
    1268 |     */
    1269 |     sprintf(sql_command, "CREATE TABLE %s ( id int PRIMARY KEY NOT NULL ) TYPE=HEAP", rec_table);
    1270 |     dieif(SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1271 |
    1272 |     /* find the contacts */
    1273 |     sprintf(sql_command, Q_REC, rec_table, id_table, "author");
    1274 |     dieif(sql_execute_watched( &(qe->condat), sql_connection, sql_command, NULL) == -1 );
    1275 |
    1276 |     sprintf(sql_command, Q_REC, rec_table, id_table, "admin_c");
    1277 |     dieif(sql_execute_watched(&(qe->condat), sql_connection, sql_command, NULL) == -1 );
    1278 |
    1279 |     sprintf(sql_command, Q_REC, rec_table, id_table, "tech_c" );
    1280 |     dieif(sql_execute_watched(&(qe->condat), sql_connection, sql_command, NULL) == -1 );
    1281 |
    1282 |     sprintf(sql_command, Q_REC, rec_table, id_table, "zone_c" );
    1283 |     dieif(sql_execute_watched(&(qe->condat), sql_connection, sql_command, NULL) == -1 );
    1284 |
    1285 |
    1286 |     /* replace references to dummies by references by name */
    1287 |     sprintf(sql_command,
    1288 | 	    " SELECT id, name    FROM %s IDS STRAIGHT_JOIN names "
    1289 | 	    " WHERE IDS.id = names.object_id "
    1290 | 	    "      AND names.object_type = 100"
    1291 | 	    " ORDER BY id",
    1292 | 	    rec_table);
    1293 |
    1294 |     dieif(sql_execute_watched(&(qe->condat), sql_connection, sql_command,
    1295 | 			      &result) == -1 );
    1296 |     /* well, it might not be -1, but if the watchdog worked then the
    1297 |        result is NULL */
    1298 |     if( result != NULL ) {
    1299 |
    1300 |       allnames[0]=0;
    1301 |       /* now go through the results and collect names */
    1302 |       while ( (qe->condat.rtc == 0)
    1303 | 	      && (row = SQ_row_next(result)) != NULL ) {
    1304 | 	char *id   = SQ_get_column_string(result, row, 0);
    1305 | 	char *name = SQ_get_column_string(result, row, 1);
    1306 |
    1307 | 	thisid = atoi(id);
    1308 |
    1309 | 	/* when the id changes, the name is complete */
    1310 | 	if( thisid != oldid && oldid != 0 ) {
    1311 | 	  add_ref_name( *sql_connection, rec_table, allnames);
    1312 | 	}
    1313 |
    1314 | 	strcat(allnames, name);
    1315 | 	strcat(allnames, " ");
    1316 | 	oldid = thisid;
    1317 | 	wr_free(id);
    1318 | 	wr_free(name);
    1319 |       }
    1320 |       /* also do the last name */
    1321 |       add_ref_name( *sql_connection, rec_table, allnames);
    1322 |
    1323 |       SQ_free_result(result); /* we can do it only because the watchdog */
    1324 |       /* has not started between the check for non-NULL result and here */
    1325 |     }
    1326 |
    1327 |     /* now copy things back to the main temporary table   */
    1328 |     sprintf(sql_command, "INSERT INTO %s SELECT * FROM %s",
    1329 | 	    id_table, rec_table);
    1330 |     dieif(SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1331 |
    1332 |     /* Now drop the IDS recursive table */
    1333 |     sprintf(sql_command, "DROP TABLE %s", rec_table);
    1334 |     dieif(SQ_execute_query(*sql_connection, sql_command, NULL) == -1 );
    1335 | }
    1336 |
    1337 |
    1338 | /* QI_execute() */
    1339 | /*++++++++++++++++++++++++++++++++++++++
    1340 |   Execute the query instructions.  This is called for each source.
    1341 |
    1342 |   void *database_voidptr Pointer to the database name
    1343 |
    1344 |   void *qis_voidptr Pointer to the query_instructions.
    1345 |
    1346 |   More:
    1347 |   +html+ <PRE>
    1348 |   Authors:
    1349 |         ottrey
    1350 |   +html+ </PRE>
    1351 |   ++++++++++++++++++++++++++++++++++++++*/
    1352 | er_ret_t QI_execute(ca_dbSource_t *dbhdl,
    1353 | 		    Query_instructions *qis,
    1354 | 		    Query_environ *qe,
    1355 | 		    acc_st *acc_credit,
    1356 | 		    acl_st *acl
    1357 | 		    )
    1358 | {
    1359 |   /* those things must be freed after use! */
    1360 |   char *dbhost = ca_get_srcdbmachine(dbhdl);
    1361 |   char *dbname = ca_get_srcdbname(dbhdl);
    1362 |   char *dbuser = ca_get_srcdbuser(dbhdl);
    1363 |   char *dbpass = ca_get_srcdbpassword(dbhdl);
    1364 |   char *srcnam = ca_get_srcname(dbhdl);
    1365 |   char id_table[STR_S];
    1366 |   char sql_command[STR_XL];
    1367 |   GList *datlist=NULL;
    1368 |   SQ_connection_t *sql_connection=NULL;
    1369 |
    1370 |   sql_connection = SQ_get_connection( dbhost, ca_get_srcdbport(dbhdl),
    1371 | 				      dbname, dbuser, dbpass );
    1372 |   if (sql_connection == NULL) {
    1373 |     ER_perror(FAC_QI, QI_CANTDB," database='%s' [%d] %s",
    1374 | 	      dbname, SQ_errno(sql_connection), SQ_error(sql_connection));
    1375 |     return QI_CANTDB;
    1376 |   }
    1377 |
    1378 |   sprintf(id_table, "ID_%ld_%d",   mysql_thread_id(sql_connection),
    1379 | 	  pthread_self());
    1380 |
    1381 |   /* see if there was a leftover table from a crashed session
    1382 |    * (assume the ID cannot be currently in use)
    1383 |    */
    1384 |   sprintf(sql_command, "DROP TABLE IF EXISTS %s ", id_table);
    1385 |   dieif( SQ_execute_query(sql_connection, sql_command, NULL) == -1 );
    1386 |
    1387 |   /* create a table for id's of all objects found NOT NULL , UNIQUE(id) */
    1388 |   sprintf(sql_command, "CREATE TABLE %s ( id int PRIMARY KEY NOT NULL ) TYPE=HEAP", id_table);
    1389 |   dieif( SQ_execute_query(sql_connection, sql_command, NULL) == -1 );
    1390 |
    1391 |   qi_collect_ids(dbhdl, srcnam, &sql_connection, qis, qe, id_table,
    1392 | 		 &datlist, acc_credit, acl);
    1393 |
    1394 |   /* post-processing */
    1395 |   if( qis->filtered == 0 ) {
    1396 |     /* start the watchdog just to set the rtc flag */
    1397 |     SK_watch_setclear(&(qe->condat));
    1398 |     SK_watchstart(&(qe->condat));
    1399 |
    1400 |     /* add radix results (only if -K is not active) */
    1401 |     insert_radix_serials(&(qe->condat), sql_connection, id_table, datlist);
    1402 |
    1403 |     SK_watchstop(&(qe->condat));
    1404 |   }
    1405 |
    1406 |   /* fetch recursive objects (ac,tc,zc,ah) */
    1407 |   if ( qis->recursive ) {
    1408 |     qi_fetch_references( &sql_connection, qe, id_table, acc_credit, acl);
    1409 |   } /* if recursive */
    1410 |
    1411 |   /* display */
    1412 |   /* -K filtering:
    1413 |    * right now only filtering, no expanding sets like write_set_objects()
    1414 |    */
    1415 |
    1416 |   /* display the immediate data from the radix tree */
    1417 |   if( qis->filtered == 1 ) {
    1418 |     write_radix_immediate(datlist, &(qe->condat), acc_credit, acl );
    1419 |   }
    1420 |
    1421 |   /* display objects from the IDs table */
    1422 |   write_objects( &sql_connection, id_table, qis->filtered,
    1423 | 		qis->fast, &(qe->condat), acc_credit, acl);
    1424 |
    1425 |   /* Now drop the IDS table */
    1426 |   sprintf(sql_command, "DROP TABLE %s", id_table);
    1427 |   dieif(SQ_execute_query(sql_connection, sql_command, NULL) == -1 );
    1428 |   SQ_close_connection(sql_connection);
    1429 |
    1430 |   /* free allocated parameters */
    1431 |   wr_free(dbhost);
    1432 |   wr_free(dbname);
    1433 |   wr_free(dbuser);
    1434 |   wr_free(dbpass);
    1435 |   wr_free(srcnam);
    1436 |
    1437 |   return QI_OK;
    1438 | } /* QI_execute() */
    1439 |
    1440 |
    1441 | /* instruction_free() */
    1442 | /*++++++++++++++++++++++++++++++++++++++
    1443 |   Free the instruction.
    1444 |
    1445 |   Query_instruction *qi query_instruction to be freed.
    1446 |
    1447 |   More:
    1448 |   +html+ <PRE>
    1449 |   Authors:
    1450 |         ottrey
    1451 |   +html+ </PRE>
    1452 |   ++++++++++++++++++++++++++++++++++++++*/
    1453 | static void instruction_free(Query_instruction *qi) {
    1454 |   if (qi != NULL) {
    1455 |     if (qi->query_str != NULL) {
    1456 |       wr_free(qi->query_str);
    1457 |     }
    1458 |     wr_free(qi);
    1459 |   }
    1460 | } /* instruction_free() */
    1461 |
    1462 | /* QI_free() */
    1463 | /*++++++++++++++++++++++++++++++++++++++
    1464 |   Free the query_instructions.
    1465 |
    1466 |   Query_instructions *qis Query_instructions to be freed.
    1467 |
    1468 |   More:
    1469 |   +html+ <PRE>
    1470 |   Authors:
    1471 |         ottrey, marek
    1472 |   +html+ </PRE>
    1473 |   ++++++++++++++++++++++++++++++++++++++*/
    1474 | void QI_free(Query_instructions *qis) {
    1475 |   int i;
    1476 |
    1477 |   for (i=0; qis->instruction[i] != NULL; i++) {
    1478 |     instruction_free(qis->instruction[i]);
    1479 |   }
    1480 |
    1481 |   if (qis != NULL) {
    1482 |     wr_free(qis);
    1483 |   }
    1484 |
    1485 | } /* QI_free() */
    1486 |
    1487 | /*++++++++++++++++++++++++++++++++++++++
    1488 |   Determine if this query should be conducted or not.
    1489 |
    1490 |   If it was an inverse query - it the attribute appears in the query command's bitmap.
    1491 |   If it was a lookup query - if the attribute appears in the object type bitmap or
    1492 |                              disregard if there is no object_type bitmap (Ie object filter).
    1493 |
    1494 |   mask_t bitmap The bitmap of attribute to be converted.
    1495 |
    1496 |   const Query_command *qc The query_command that the instructions are created
    1497 |                           from.
    1498 |
    1499 |   const Query_t q The query being investigated.
    1500 |
    1501 |   ++++++++++++++++++++++++++++++++++++++*/
    1502 | static int valid_query(const Query_command *qc, const Query_t q) {
    1503 |   int result=0;
    1504 |
    1505 |   if (MA_isset(qc->keytypes_bitmap, q.keytype) == 1) {
    1506 |     if (q.query != NULL) {
    1507 |       switch (q.querytype) {
    1508 |         case Q_INVERSE:
    1509 |           if (MA_isset(qc->inv_attrs_bitmap, q.attribute) ) {
    1510 |             result = 1;
    1511 |           }
    1512 |         break;
    1513 |
    1514 |         case Q_LOOKUP:
    1515 | 	  if (q.class == C_ANY || MA_isset(qc->object_type_bitmap, q.class)) {
    1516 |             result=1;
    1517 |           }
    1518 |         break;
    1519 |
    1520 |         default:
    1521 |           /* XXX */fprintf(stderr, "qi:valid_query() -> Bad querytype\n");
    1522 |       }
    1523 |     }
    1524 |   }
    1525 |
    1526 |   return result;
    1527 | } /* valid_query() */
    1528 |
    1529 | /* QI_new() */
    1530 | /*++++++++++++++++++++++++++++++++++++++
    1531 |   Create a new set of query_instructions.
    1532 |
    1533 |   const Query_command *qc The query_command that the instructions are created
    1534 |                           from.
    1535 |
    1536 |   const Query_environ *qe The environmental variables that they query is being
    1537 |                           performed under.
    1538 |   More:
    1539 |   +html+ <PRE>
    1540 |   Authors:
    1541 |         ottrey
    1542 |   +html+ </PRE>
    1543 |   ++++++++++++++++++++++++++++++++++++++*/
    1544 | Query_instructions *QI_new(const Query_command *qc, const Query_environ *qe) {
    1545 |   Query_instructions *qis=NULL;
    1546 |   Query_instruction *qi=NULL;
    1547 |   int i_no=0;
    1548 |   int i;
    1549 |   char *query_str;
    1550 |
    1551 |   dieif(wr_calloc( (void **) & qis, 1, sizeof(Query_instructions)) != UT_OK);
    1552 |
    1553 |   qis->filtered = qc->filtered;
    1554 |   qis->fast = qc->fast;
    1555 |   qis->recursive = qc->recursive;
    1556 |   qis->qc = (qc);
    1557 |
    1558 |
    1559 |   for (i=0; Query[i].query != NULL; i++) {
    1560 |
    1561 |     /* If a valid query. */
    1562 |     if ( valid_query(qc, Query[i]) == 1) {
    1563 |
    1564 |       dieif( wr_calloc((void **) &qi, 1, sizeof(Query_instruction)) != UT_OK);
    1565 |
    1566 |       qi->queryindex = i;
    1567 |
    1568 |       /* SQL Query */
    1569 |       if ( Query[i].refer == R_SQL) {
    1570 |         qi->search_type = R_SQL;
    1571 |         query_str = create_query(Query[i], qc);
    1572 |
    1573 |         if (query_str!= NULL) {
    1574 |           qi->query_str = query_str;
    1575 |           qis->instruction[i_no++] = qi;
    1576 |         }
    1577 |       }
    1578 |       /* Radix Query */
    1579 |       else if (Query[i].refer == R_RADIX) {
    1580 |         qi->search_type = R_RADIX;
    1581 |
    1582 |         if (map_qc2rx(qi, qc) == 1) {
    1583 | 	  int j;
    1584 | 	  int found=0;
    1585 |
    1586 |           /* check that there is no such query yet, for example if
    1587 | 	     more than one keytype (wk) matched */
    1588 | 	  for (j=0; j<i_no; j++) {
    1589 | 	    Query_instruction *qij = qis->instruction[j];
    1590 |
    1591 | 	    if(    qij->search_type == R_RADIX
    1592 | 		   && Query[qij->queryindex].attribute
    1593 | 		   == Query[qi ->queryindex].attribute) {
    1594 |
    1595 |               found=1;
    1596 |               break;
    1597 |             }
    1598 |           }
    1599 |
    1600 |           if ( found ) {
    1601 |             /* Discard the Query Instruction */
    1602 |             wr_free(qi);
    1603 |           }
    1604 |           else {
    1605 |             /* Add the query_instruction to the array */
    1606 |             qis->instruction[i_no++] = qi;
    1607 |           }
    1608 |         }
    1609 |       }
    1610 |       else {
    1611 | 	  /* ERROR: bad search_type */
    1612 | 	  die;
    1613 |       }
    1614 |     }
    1615 |   }
    1616 |   qis->instruction[i_no++] = NULL;
    1617 |
    1618 |
    1619 |   {  /* tracing */
    1620 |       char *descrstr = QI_queries_to_string(qis);
    1621 |
    1622 |       ER_dbg_va(FAC_QI, ASP_QI_COLL_GEN, "Queries: %s", descrstr );
    1623 |       wr_free( descrstr );
    1624 |   }
    1625 |
    1626 |   return qis;
    1627 |
    1628 | } /* QI_new() */
    1629 |
    1630 | /* QI_queries_to_string()
    1631 |
    1632 |    returns a list of descriptions for queries that will be performed.
    1633 | */
    1634 |
    1635 | char *QI_queries_to_string(Query_instructions *qis)
    1636 | {
    1637 |    Query_instruction *qi;
    1638 |    int i;
    1639 |    char *resstr = NULL;
    1640 |
    1641 |    dieif( wr_realloc((void **)&resstr, 2 ) != UT_OK);
    1642 |    strcpy(resstr, "{");
    1643 |
    1644 |    for( i = 0; ( qi=qis->instruction[i] ) != NULL;  i++ ) {
    1645 |        char *descr = Query[qi->queryindex].descr;
    1646 |        int oldres = strlen( resstr );
    1647 |
    1648 |        dieif( wr_realloc((void **)&resstr, oldres+strlen(descr)+2) != UT_OK);
    1649 |        strcat(resstr, descr);
    1650 |        strcat(resstr, ",");
    1651 |    }
    1652 |    if( i>0 ) {
    1653 |        /* cancel the last comma */
    1654 |        resstr[strlen(resstr)-1] = 0;
    1655 |    }
    1656 |
    1657 |    dieif( wr_realloc((void **)&resstr, strlen( resstr ) + 2 )
    1658 | 	  != UT_OK);
    1659 |    strcat(resstr, "}");
    1660 |
    1661 |    return resstr;
    1662 | }