1    | /***************************************
2    |   $Revision: 1.33 $
3    | 
4    |   Functions to process data stream( file, network socket, etc.)
5    | 
6    |   Status: NOT REVUED, NOT TESTED
7    | 
8    |  Author(s):       Chris Ottrey, Andrei Robachevsky
9    | 
10   |   ******************/ /******************
11   |   Modification History:
12   |         andrei (17/01/2000) Created.
13   |   ******************/ /******************
14   |   Copyright (c) 2000                              RIPE NCC
15   |  
16   |   All Rights Reserved
17   |   
18   |   Permission to use, copy, modify, and distribute this software and its
19   |   documentation for any purpose and without fee is hereby granted,
20   |   provided that the above copyright notice appear in all copies and that
21   |   both that copyright notice and this permission notice appear in
22   |   supporting documentation, and that the name of the author not be
23   |   used in advertising or publicity pertaining to distribution of the
24   |   software without specific, written prior permission.
25   |   
26   |   THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27   |   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS; IN NO EVENT SHALL
28   |   AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
29   |   DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
30   |   AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
31   |   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
32   |  ***************************************/
33   | #include <sys/types.h>
34   | #include <sys/socket.h>
35   | #include <netdb.h>
36   | #include <arpa/inet.h>
37   | #include <unistd.h>
38   | #include <sys/stat.h>
39   | #include <fcntl.h>
40   | #include <string.h>
41   | #include "constants.h"
42   | #include "query_command.h"
43   | #include "ud.h"
44   | #include "ud_int.h"
45   | 
46   | typedef enum _Line_Type_t {
47   |  LINE_ATTRIBUTE,
48   |  LINE_COMMENT,
49   |  LINE_EMPTY,
50   |  LINE_EOF,
51   |  LINE_ADD,
52   |  LINE_UPD,
53   |  LINE_DEL,
54   |  LINE_OVERRIDE_ADD,
55   |  LINE_OVERRIDE_UPD,
56   |  LINE_OVERRIDE_DEL,
57   |  LINE_PLUS
58   | } Line_Type_t;
59   | 
60   | /* Maximum number of objects(serials) we can consume at a time */
61   | #define SBUNCH 1000
62   | 
63   | static int report_transaction(Transaction_t *tr, Log_t *log, char *obj_name, char *reason);
64   | static int process_nrtm(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation);
65   | static int process_updates(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation);
66   | static int process_transaction(UD_stream_t *ud_stream,Object_t *obj,char *object_name,nic_handle_t *nh, int operation);
67   |                                                                                                 
68   | /* Delimiters that separate list members, both RPS(,) and legacy( ) */
69   | #define ATTR_DELIMITERS " ,"
70   | 
71   | 
72   | void ud_parse_init(Obj_parse_t *parse){
73   |      bzero(parse, sizeof(Obj_parse_t));
74   |      parse->start_object=1;     
75   | }
76   | 
77   | void ud_parse_free(Obj_parse_t *parse){
78   |      free(parse->object_name);
79   | }
80   | 
81   | 
82   | 
83   | static GSList *split_attribute(GSList *attr_list, A_Type_t attr_type, char *attr_value){
84   | char *token;
85   | char *split;
86   | char *value, *n;
87   | Attribute_t *attr_split;
88   | GSList *the_list = attr_list;
89   | 
90   |   /* check for line continuation (+) */
91   |   if (strncmp(attr_value, "+", 1) == 0) attr_value++;
92   |   /* check for end-of-line comments */
93   |   n = index(attr_value, '#');
94   |       /* if there is no comment check for trailing \n */
95   |   if(n == NULL) n = index(attr_value, '\n');
96   |   /* now copy the clean value into the attribute */
97   |   if(n == NULL) value = g_strdup(attr_value); 
98   |   else  value = g_strndup(attr_value, (n - attr_value));
99   |      
100  |   token=value;
101  |   while((split=strsep(&token, ATTR_DELIMITERS))){
102  |      attr_split = attribute_new1(attr_type, split);
103  |      if (attr_split) the_list = g_slist_append(the_list, attr_split);
104  |   }
105  |   free(value);
106  |  return(the_list);
107  | }
108  | 
109  | /************************************************************
110  | *                                                           *
111  | * The function to reorder attributes in the List            *
112  | * nic-hdl and mnt-by should come first                      *
113  | *                                                           *
114  | * should return 0 if they are equal, a negative value if    * 
115  | * the first element comes before the second, or a positive  *
116  | * value if the first element comes after the second         *
117  | *                                                           *
118  | ************************************************************/
119  | static gint reorder_attributes(const void *element1, const void *element2)
120  | {
121  | Attribute_t *attr1 = (Attribute_t *)element1;
122  | Attribute_t *attr2 = (Attribute_t *)element2;
123  | gint order = -1;
124  |   
125  |   if(attr2->type == A_MB) order= 1;
126  |   if(attr1->type == A_MB) order= -1;
127  |   if(attr2->type == A_NH) order= 1;
128  |   if(attr1->type == A_NH) order= -1;
129  | 
130  |   return(order);
131  | 
132  | }
133  | 
134  | /* XXX */
135  | static void each_attribute_print(void *element_data, void *tr_ptr)
136  | {
137  | 
138  | Attribute_t *attr = (Attribute_t *)element_data;
139  | 
140  |  fprintf(stderr, "[%d|%s]\n", attr->type, attr->value);
141  | 
142  | }
143  | 
144  | /* XXX */
145  | static void print_object(Object_t *obj)
146  | {
147  |   g_slist_foreach(obj->attributes, each_attribute_print, NULL);	
148  |   fprintf(stderr, ">>>>>\n%s\n", obj->object->str);
149  | }
150  | 
151  | 
152  | /******************************************************************
153  | * GString *escape_apostrophes()                                   *
154  | * Escapes apostrophes in the text so they do not confuse printf   *
155  | * functions and don't corrupt SQL queries                         *
156  | *                                                                 *
157  | * *****************************************************************/
158  | GString *escape_apostrophes(GString *text) {
159  |   int i;
160  |   for (i=0; i < text->len; i++) {
161  |     if ((text->str[i] == '\'') || (text->str[i] == '\\')) {
162  |       text = g_string_insert_c(text, i, '\\');
163  |       i++;
164  |     }
165  |   }
166  |  return(text); 
167  | } /* escape_apostrophes() */
168  | 
169  | 
170  | /******************************************************************
171  | * Line_Type_t line_type(e)                                        *
172  | * Determines the line type analysing the first letters            *
173  | *                                                                 *
174  | * ****************************************************************/
175  | static Line_Type_t line_type(const char *line) {
176  |   Line_Type_t result = -1;
177  | 
178  |   if (strncmp(line, "# EOF", 4) == 0) {
179  |     result = LINE_EOF;
180  |   }
181  |   else if (strncmp(line, "#", 1) == 0) {
182  |     result = LINE_COMMENT;
183  |   }
184  |   else if (strcmp(line, "\n") == 0) {
185  |     result = LINE_EMPTY;
186  |   }
187  |   else if (strcmp(line, "ADD\n") == 0) {
188  |     result = LINE_ADD;
189  |   }
190  |   else if (strcmp(line, "UPD\n") == 0) {
191  |     result = LINE_UPD;
192  |   }
193  |   else if (strcmp(line, "DEL\n") == 0) {
194  |     result = LINE_DEL;
195  |   }
196  |   else if (strcmp(line, "ADD_OVERRIDE\n") == 0) {
197  |     result = LINE_OVERRIDE_ADD;
198  |   }
199  |   else if (strcmp(line, "UPD_OVERRIDE\n") == 0) {
200  |     result = LINE_OVERRIDE_UPD;
201  |   }
202  |   else if (strcmp(line, "DEL_OVERRIDE\n") == 0) {
203  |     result = LINE_OVERRIDE_DEL;
204  |   }
205  |   else if (strncmp(line, "+", 1) == 0) {
206  |     result = LINE_PLUS;
207  |   }  
208  |   else {
209  |     result = LINE_ATTRIBUTE;
210  |   }
211  | 
212  |   return result;
213  | } /* line_type() */
214  | 
215  | /******************************************************************
216  | * Object_t *UD_parse_object()                                     *
217  | *                                                                 *
218  | * Parses the object accepting line by line                        *
219  | *                                                                 *
220  | * ****************************************************************/
221  | Object_t *UD_parse_object(SQ_connection_t *sql_connection, Obj_parse_t *parse, char *line_buff)
222  | {
223  | GString *g_line_buff;
224  | Attribute_t *class_attr, *attr;
225  | char *a_value, *ptr;
226  | char nic[MAX_NH_LENGTH];
227  |  
228  |   if ((g_line_buff = g_string_sized_new(STR_XXL)) == NULL){ 
229  |     fprintf(stderr, "E: cannot allocate gstring\n"); 
230  |     die; 
231  |   }
232  |   
233  |   if (parse->start_object == 1) {
234  |    parse->obj = object_new(line_buff);
235  |   }
236  |   if (parse->obj) {
237  |    g_string_sprintf(g_line_buff, "%s", line_buff);
238  |    /* escape apostrophes in the input line */
239  |    g_line_buff=escape_apostrophes(g_line_buff);
240  |    
241  |    if(parse->start_object == 1){
242  |    /* If this is the first attribute(==object name/type) */   
243  |     parse->start_object=0;
244  |     parse->object_name = g_strndup(g_line_buff->str, g_line_buff->len);
245  |      *(parse->object_name+g_line_buff->len-1)='\0';
246  |     fprintf(stderr, "D: object: [%s] ", parse->object_name);
247  |   /* Create an attribute - the first one determines a class */
248  |     parse->class_attr_list=NULL; /* Initialize the list that will hold splitted class attribute */
249  |     class_attr = attribute_new(g_line_buff->str);
250  |     if (class_attr == NULL) die; /* Should not happen */
251  |     if((class_attr->type==A_PN)||(class_attr->type==A_RO)){
252  |    /* split names */  
253  |       parse->class_attr_list = split_attribute(parse->class_attr_list, class_attr->type, class_attr->value);  
254  |       attribute_free(class_attr, NULL);
255  |     } else {
256  |       parse->class_attr_list = g_slist_append(parse->class_attr_list, class_attr); 
257  |     }
258  |   /* do nothing more with this attribute - we will prepend it at the end */
259  |    }
260  |    else {
261  |      attr = attribute_new(g_line_buff->str);
262  | 	
263  |      if (attr) {
264  |        parse->a_type=attr->type;   
265  |        a_value=attr->value;
266  |        if(parse->a_type==A_NH) {
267  |           /*  Parse the string into nh structure */
268  |           /*  In case of an AUTO NIC handle check the ID in the database */
269  |           /* Possible errors leave to core processing */
270  |           if(NH_parse(attr->value, &parse->nh_ptr) == 0) { 
271  | /*         fprintf(stderr, "D:parsing NIC: [%s]\n", attr->value); */
272  |            /* Check if we can allocate it */  
273  |             if(NH_check(parse->nh_ptr, sql_connection)>0){
274  |             /* Convert nh to the database format */  
275  |               NH_convert(nic, parse->nh_ptr);
276  | /*      fprintf(stderr, "D:NIC:[%s]\n", nic); */
277  |               /* Replace NIC handle in the string which is copied to the text object */
278  |               sprintf(line_buff, g_line_buff->str);
279  |               ptr = strstr(line_buff, attr->value);
280  |               /* parse new attribute string */
281  |               strcpy(ptr, nic);
282  |               g_string_sprintf(g_line_buff, line_buff);
283  |               g_string_sprintfa(g_line_buff, "\n");
284  |               /* Update the attribute */
285  |               attribute_upd(attr, attr->type, nic); 
286  | /*      fprintf(stderr, "D:attribute updated\n"); */
287  |             }
288  |           }
289  |        } /* NHR stuff */
290  |      }
291  |      else 
292  |        a_value=g_line_buff->str;
293  | 
294  |      if (parse->a_type>=0) { /* This indicates that the input line contains the value of the attribute */
295  | 	 switch	(parse->a_type) {
296  |             /*these attributes may appear several on the line - split them*/   
297  |             case A_PN: /* person */
298  |             case A_RO: /* role */
299  |             case A_MR: /* mbrs-by-ref */
300  |             case A_MB: /* mnt-by */
301  |             case A_MO: /* member-of */
302  |             case A_SD: /* sub-dom */
303  |             case A_RZ: /* rev-srv */
304  |             case A_NS: /* nserver */
305  |                 parse->obj->attributes = split_attribute(parse->obj->attributes, parse->a_type, a_value);
306  |                 if (attr) attribute_free(attr, NULL);
307  |              attr=NULL;
308  |              break; 
309  |             default: break;  
310  |          }
311  | /*       g_string_sprintfa(obj->object, "%s", g_line_buff->str); */
312  |          if(attr)parse->obj->attributes = g_slist_append(parse->obj->attributes, attr);  
313  |      }
314  |    } /* if not start_object (not the first/class attribute) */
315  |    /* copy the line into object no matter whether it is an attribute or not (continualtion, etc.) */
316  |    g_string_sprintfa(parse->obj->object, "%s", g_line_buff->str);
317  |   }/* if (obj) */
318  |   return(parse->obj);
319  | }
320  | 
321  | /******************************************************************
322  | * report_transaction()                                            *
323  | *                                                                 * 
324  | * Prints error report to the log                                  *
325  | *                                                                 *
326  | * reason - additional message that will be included               *
327  | *                                                                 *
328  | * *****************************************************************/
329  | static int report_transaction(Transaction_t *tr, Log_t *log, char *obj_name, char *reason)
330  | {
331  | int result=0;
332  | 
333  |  if(tr->succeeded==0) {
334  |   result=tr->error;
335  |   log->num_failed++;
336  |   fprintf(stderr, "FAILED[%s][%s(%d)](%d/%d)\n ", obj_name, reason, result, log->num_failed, (log->num_failed)+(log->num_ok)); 
337  |   fprintf(log->logfile, "*FAILED[%s][%s](%d/%d)\n ", obj_name, reason, log->num_failed, (log->num_failed)+(log->num_ok));
338  |   if(result & ERROR_U_MEM) fprintf(log->logfile, "\t*Memory allocation error\n");
339  |   if(result & ERROR_U_DBS) fprintf(log->logfile, "\t*Database (SQL) error\n");
340  |   if(result & ERROR_U_OBJ) fprintf(log->logfile, "\t*Object (RF) error\n");
341  |   if(result & ERROR_U_AUT) fprintf(log->logfile, "\t*Object authentication error\n");
342  |   if(result & ERROR_U_BADOP) fprintf(log->logfile, "\t*Bad operation\n");
343  |   if(result & ERROR_U_COP) fprintf(log->logfile, "\t*Conflicting operation\n");
344  |   if(result & ERROR_U_NSUP) fprintf(log->logfile, "\t*Object of this type is not supported\n");
345  |   if(result & ERROR_U_BUG) fprintf(log->logfile, "\t*Software bug - report to <ripe-dbm@ripe.net>\n");
346  |   fprintf(log->logfile, "%s", (tr->error_script)->str);
347  |   result=(-1)*result;                                                
348  |   fflush(log->logfile);
349  |  }
350  |  else {
351  |   result=1;
352  |   log->num_ok++;
353  |   fprintf(stderr, "OK(%d/%d)\n", log->num_ok, (log->num_failed)+(log->num_ok));
354  |  }
355  |                                                                                                                                                 
356  |  return(result);
357  | }/* report_transaction() */
358  | 
359  | 
360  | 
361  | /************************************************************
362  | * process_nrtm()                                            *
363  | *                                                           *
364  | * Process object in NRTM client mode                        *
365  | *                                                           *
366  | * nrtm - pointer to _nrtm structure                         *
367  | * log - pointer to Log_t structure                          *
368  | * object_name - name of the object                          * 
369  | * operation - operation code (OP_ADD/OP_DEL)                *
370  | *                                                           *
371  | * Returns:                                                  *
372  | * 1  - okay                                                 *
373  | * <0 - error                                                *
374  | *                                                           *
375  | ************************************************************/
376  | 
377  | static int process_nrtm(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation)
378  | {
379  | int result=0;
380  | int dummy=0;
381  | struct _nrtm *nrtm = ud_stream->nrtm;
382  | Log_t *log_ptr= &(ud_stream->log);
383  | 
384  |   /* We allow NRTM updates for some inconsistent objects                  */
385  |   /* One of the examples is reference by name which looks like nic-handle */
386  |   /* For this purpose we allow dummy creation when updating an object     */
387  |   /* We also check for dummy allowance when deleting an object            */
388  |   /* this is done to allow deletion of person objects referenced by name  */
389  | 
390  |   tr->dummy=1;
391  |   
392  |   switch (operation) {
393  |   
394  |   case OP_ADD:
395  |     if(nrtm->tr){ /* DEL ADD => saved*/
396  |       if(tr->object_id==0) { 
397  | 	/* object does not exist in the DB */      
398  |         object_process(nrtm->tr); /* delete the previous(saved) object*/
399  |         result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved)");
400  |         /* create DEL serial */
401  | 	create_serial(nrtm->tr);
402  |         object_free(nrtm->tr->object);
403  |         transaction_free(nrtm->tr); nrtm->tr=NULL;
404  |         /* Create an object and update NHR */
405  |         tr->action=(TA_CREATE | TA_UPD_NHR);
406  | /*      fprintf(stderr,"CREATE next\n"); */
407  |         object_process(tr); /* create a new one*/
408  |         result=report_transaction(tr, log_ptr, object_name, "NRTM:ADD:While creating new");
409  | 	/* create ADD serial */
410  |         create_serial(tr);
411  |       }
412  |       else { 
413  |       /* object already exists in the DB - update or dummy replacement*/
414  |         if(tr->object_id==nrtm->tr->object_id) {/*compare the two, may be we may collapse operations*/
415  |           object_free(nrtm->tr->object);
416  |           transaction_free(nrtm->tr); nrtm->tr=NULL;
417  | /*        fprintf(stderr,"DEL-ADD ->> UPDATE\n");*/
418  |           tr->action=TA_UPDATE;
419  |           object_process(tr);
420  |           report_transaction(tr, log_ptr, object_name,"NRTM:upd");
421  |           result=report_transaction(tr, log_ptr, object_name,"NRTM:upd");
422  | 	  /* create DEL+ADD serial records */
423  | 	  tr->action=TA_DELETE; create_serial(tr);
424  |           tr->action=TA_CREATE; create_serial(tr);
425  |         }
426  |         else { /* this should be a dummy object in the database(that we are going to replace with the real one */
427  |         /* or an interleaved operation*/
428  | /*        fprintf(stderr,"DEL previous\n");*/
429  |           object_process(nrtm->tr); /* delete the previous(saved) object*/
430  |           result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved)");
431  |           /* create a DEL serial record */
432  | 	  create_serial(nrtm->tr);
433  |           object_free(nrtm->tr->object);
434  |           transaction_free(nrtm->tr); nrtm->tr=NULL;
435  |           tr->action=TA_UPDATE;
436  |           dummy=isdummy(tr);
437  |           /* If we are replacing dummy with a real object update NHR */
438  |           if(dummy==1) tr->action |= TA_UPD_NHR;
439  | /*        fprintf(stderr,"UPDATE next(dummy)\n"); */
440  |           object_process(tr); /* create a new one*/
441  |           result=report_transaction(tr, log_ptr, object_name, "NRTM:ADD:While creating new");
442  | 	  /* For serials this is CREATE operation */
443  |           if(dummy==1) tr->action=TA_CREATE;
444  | 	  /* create ADD serial record */
445  |           create_serial(tr);
446  |         }
447  |       }
448  |     }
449  |     else { /* ADD ADD =>brand new object*/
450  |       if(tr->object_id==0) {
451  | /*      fprintf(stderr,"CREATE new\n");*/
452  |         /* Create an object and update NHR */
453  |         tr->action=(TA_CREATE | TA_UPD_NHR);
454  |         object_process(tr);
455  |         result=report_transaction(tr, log_ptr, object_name,"NRTM:ADD:While creating new");
456  |         /* create ADD serial */
457  | 	create_serial(tr);
458  |       }
459  |       else { /* object already exists in the database */
460  | 	/* this may happen because of dummies*/
461  | 	/* or with some implementations of mirroring protocol that have atomic update */
462  | 	/* instead of add + del */
463  | /*      fprintf(stderr,"CREATE new\n");*/
464  |         tr->action=TA_UPDATE;
465  |         dummy=isdummy(tr);
466  |  /* If we are replacing dummy with a real object update NHR */
467  |         if(dummy==1) tr->action |= TA_UPD_NHR;
468  |         object_process(tr);
469  |         result=report_transaction(tr, log_ptr, object_name,"NRTM:ADD:While creating new");
470  |         if(dummy==1) tr->action=TA_CREATE; /* we don't want to generate DEL serial for dummy replacement*/
471  |         /* create ADD serial record */
472  | 	create_serial(tr);
473  |       } 
474  |     }
475  |     break;
476  |     
477  |   case OP_DEL:
478  |     if(nrtm->tr){ /*DEL DEL =>saved */
479  | /*    fprintf(stderr,"DEL previous\n");*/
480  |       object_process(nrtm->tr); /* delete the previous(saved) object*/
481  |       result=report_transaction(nrtm->tr, log_ptr, nrtm->object_name, "NRTM:DEL:While deleting previous(saved) object");
482  |       /* create DEL serial record */
483  |       create_serial(nrtm->tr);
484  |       object_free(nrtm->tr->object);
485  |       transaction_free(nrtm->tr); nrtm->tr=NULL;
486  |     }
487  |     if(tr->object_id>0){ /* save the object*/
488  |       fprintf(stderr,"SAVED\n");
489  |       tr->action=TA_DELETE;
490  |       nrtm->tr=tr;
491  |       strcpy(nrtm->object_name, object_name);
492  |       return(1);
493  |     }
494  |     else { /* this is an error - Trying to DEL non-existing object*/
495  |       tr->succeeded=0; tr->error|=ERROR_U_COP;
496  |       result=report_transaction(tr, log_ptr, object_name, "NRTM:OOS:Trying to DEL non-existing object");
497  |       /* create DEL serial record anyway */
498  |       tr->action=TA_DELETE;
499  |       create_serial(tr);
500  |     }
501  |     break;
502  |   
503  |   default:
504  |     tr->succeeded=0; tr->error |=ERROR_U_BADOP;
505  |     break;  
506  |   }
507  | 
508  |  /* Free resources */  
509  |   object_free(tr->object);
510  |   transaction_free(tr);
511  |   
512  |   return(result);
513  | } /* process_nrtm() */
514  | 
515  | 
516  | 
517  | /************************************************************
518  | * process_updates()                                         *
519  | *                                                           *
520  | * Process object in update mode                             *
521  | *                                                           *
522  | * ud_stream - pointer to UD_stream structure                *
523  | * object_name - name of the object                          *
524  | * operation - operation code (OP_ADD/OP_DEL)                *
525  | *                                                           *
526  | * Note:                                                     *
527  | * Frees tr and tr->obj on exit                              *
528  | *                                                           *
529  | * Returns:                                                  *
530  | * 1  - okay                                                 *
531  | * <0 - error                                                *
532  | *                                                           * 
533  | ************************************************************/
534  | 
535  | static int process_updates(UD_stream_t *ud_stream, Transaction_t *tr, char *object_name, int operation)
536  | {
537  | int result=0;
538  | Log_t *log_ptr= &(ud_stream->log);
539  | int dummy=0;
540  | 
541  |     switch(operation) {
542  |     /* Compare operations and report an error if they do not match */    
543  |     case OP_ADD:
544  |              if(tr->object_id!=0) { /* trying to create, but object exists */
545  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
546  |       } else {
547  |        /* Action: create the object and update NHR */
548  |         tr->action=(TA_CREATE | TA_UPD_NHR);
549  |         object_process(tr);
550  |       }
551  |       break;
552  |     case OP_UPD:
553  |       if(tr->object_id==0) { /* trying to update non-existing object*/
554  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
555  |       } else {
556  |         tr->action=TA_UPDATE;
557  |         dummy=isdummy(tr);
558  |         /* If we are replacing dummy with a real object update NHR */
559  |         if(dummy==1) tr->action |= TA_UPD_NHR;
560  |         object_process(tr);
561  |       }
562  |       break;
563  | 
564  |     case OP_DEL:        
565  |       if(tr->object_id==0) { /* trying t delete non-existing object*/
566  |         tr->succeeded=0; tr->error|=ERROR_U_COP;
567  |       } else {
568  |         tr->action=TA_DELETE;
569  |         object_process(tr);
570  |       }
571  |       break;
572  |                 
573  |     default:                
574  |       /* bad operation for this mode if not standalone */
575  |       if(tr->standalone) {
576  |         if(tr->object_id==0)tr->action=TA_CREATE; else tr->action=TA_UPDATE;
577  |         object_process(tr);
578  |       }
579  |       else {
580  |         tr->succeeded=0; 
581  |         tr->error|=ERROR_U_BADOP; 
582  |       }
583  |       break;
584  |     }
585  |    /* Make a report */
586  |     result=report_transaction(tr, log_ptr, object_name, "RIPupd:");
587  | 
588  |    /* If not in standalone mode create serial and copy error transcript */ 
589  |     if(!tr->standalone) {
590  |       if(result==1)create_serial(tr);
591  |       ud_stream->error_script=g_strdup((tr->error_script)->str);
592  |     }  
593  | 
594  |    /* Free resources */   
595  |     object_free(tr->object);
596  |     transaction_free(tr);
597  |     
598  |     return(result);
599  |         
600  | } /* process_updates() */
601  | 
602  | 
603  | /************************************************************
604  | *                                                           *
605  | * int process_transaction()                                 *
606  | *                                                           *
607  | * Processes the transaction                                 *
608  | *                                                           *
609  | * ud_stream - pointer to UD_stream_t structure              *
610  | *                                                           *
611  | * Returns:                                                  *
612  | * 1 - no error                                              *
613  | * <0- errors                                                *
614  | *                                                           *
615  | ************************************************************/
616  | 
617  | /* It frees the obj */
618  | 
619  | static int process_transaction(UD_stream_t *ud_stream, 
620  |                         Object_t *obj, 
621  |                         char *object_name, 
622  |                         nic_handle_t *nh,
623  |                         int operation)
624  | {
625  | Transaction_t *tr = NULL;
626  | Log_t *log_ptr = &(ud_stream->log);
627  | Attribute_t *attr=NULL;
628  | int result;
629  | 
630  | /* start new transaction now */ 
631  |  tr = transaction_new(ud_stream->db_connection, obj->type);
632  | 
633  | /* Return with error if transaction cannot be created */ 
634  |  if (tr == NULL) die;
635  |  
636  |  tr->standalone=IS_STANDALONE(ud_stream->ud_mode);
637  |  tr->dummy=IS_DUMMY_ALLOWED(ud_stream->ud_mode);
638  |  tr->load_pass=ud_stream->load_pass;
639  |  tr->object=obj;
640  |  tr->nh=nh;
641  |  tr->source_hdl=ud_stream->source_hdl;
642  |  
643  | /* We perform no commit/rollback in the loader mode, so thread_id should be set to 0 */
644  |  if(ud_stream->load_pass!=0) { tr->thread_ins=0; tr->thread_upd=0; }
645  |     
646  | /* For the first load pass we only create objects */ 
647  |  if(ud_stream->load_pass==1) tr->object_id=0;
648  |   else tr->object_id=get_object_id(tr);
649  |  
650  | /* Object cannot be retrieved */
651  |  if(tr->object_id==-1) { /* DB error*/
652  |     tr->succeeded=0;
653  |     tr->error |= ERROR_U_DBS;
654  |     report_transaction(tr, log_ptr, object_name, "Object cannot be retrieved");
655  |     transaction_free(tr);
656  |     object_free(obj);
657  |     die;
658  |  }
659  | /* save the name of person/role as we need it for referential */
660  | /* integrity check when deleting the object against names. */
661  | /* This is needed to support legacy references by name rather */
662  | /* then by nic_hdl */
663  |   if((tr->class_type==C_PN) || (tr->class_type==C_RO)){
664  |      attr = attribute_new(object_name);
665  |       
666  |      if (attr==NULL) {
667  |        tr->succeeded=0;
668  |        tr->error |= ERROR_U_MEM;
669  |        report_transaction(tr, log_ptr, object_name, "Cannot allocate memory");
670  |        transaction_free(tr);
671  |        object_free(obj);
672  |        die;
673  |     }
674  |     
675  |     /* Save the value */
676  |     tr->save=g_strdup(attr->value);
677  |     attribute_free(attr, NULL);
678  |   }
679  |                                                
680  | /* Process transaction. tr and obj are freed inside the process_* functions */
681  | 
682  |  if(IS_UPDATE(ud_stream->ud_mode))
683  |  /* We are in update mode */
684  |     result=process_updates(ud_stream, tr, object_name, operation);
685  |  else
686  |  /* We are in NRTM mode */   
687  |     result=process_nrtm(ud_stream, tr, object_name, operation);
688  | 
689  |  return(result);
690  | 
691  | }          
692  |           
693  | 
694  | /************************************************************
695  | *                                                           *
696  | * int UD_process_stream(UD_stream_t *ud_stream)             *
697  | *                                                           *
698  | * Processes the stream                                      *
699  | *                                                           *
700  | * ud_stream - pointer to UD_stream_t structure              *
701  | *                                                           *
702  | * Returns:                                                  *
703  | * in update mode (!standalone)(1 object processed):         *
704  | * 1 - no error                                              *
705  | * <0- errors                                                *
706  | *                                                           *
707  | * in NRTM & standalone modes                                *
708  | * total number of object processed                          *
709  | *                                                           *
710  | ************************************************************/
711  | 
712  | int UD_process_stream(UD_stream_t *ud_stream)
713  | {
714  |   char line_buff[STR_XXL];
715  |   GString *g_line_buff; // needed to escape apostrophes
716  |   GSList *class_attr_list = NULL;
717  |   Attribute_t *class_attr;
718  |   Attribute_t *attr;
719  |   nic_handle_t *nh_ptr = NULL; /* To save  NIC handle structure */
720  |   Object_t *obj = NULL;
721  |   SQ_connection_t *sql_connection;
722  |   int start_object;
723  |   int a_type;
724  |   char *a_value;
725  |   char *ptr;
726  |   /* here we will store the parsed nic-hdl in required format */
727  |   char nic[MAX_NH_LENGTH];
728  |   struct _nrtm *nrtm;
729  |   Log_t *log_ptr= &(ud_stream->log);
730  |   time_t stime, ftime;
731  |   double obj_second1, obj_second10;
732  |   int result;
733  |   int operation=0;
734  |   int interrupt=0;
735  |   int do_update;
736  |   int default_ud_mode = ud_stream->ud_mode;
737  |   Line_Type_t linetype;
738  | 
739  |   Obj_parse_t obj_parse; /* the structure used to parse a text object */
740  |   ud_parse_init(&obj_parse);
741  |   
742  |   nrtm=ud_stream->nrtm;
743  |   start_object = 1;
744  |   a_type=-1; 
745  | 
746  | 
747  |   /* Allocate line bufer */
748  |   if ((g_line_buff = g_string_sized_new(STR_XXL)) == NULL){ 
749  |     fprintf(stderr, "E: cannot allocate gstring\n"); 
750  |     die; 
751  |   }
752  | 
753  |   /* Check connection to the database */
754  |   if(mysql_ping(ud_stream->db_connection)) {
755  |    fprintf(stderr, "D: ERROR: no SQL connection\n");
756  |    g_string_free(g_line_buff, TRUE);
757  |    return(-1);
758  |   }
759  |    
760  |   fprintf(stderr, "OK\n");
761  |   sql_connection=ud_stream->db_connection;
762  | 
763  | /* This is useful for loading DB from huge disk file. */
764  | /* We may start from <num_skip>th object */
765  | /*  num_skip=ud_stream->num_skip; */
766  | /*  if(num_skip>0) fprintf(stderr, "skipping %lu records\n", num_skip); */
767  | 
768  |   /* Start timer for statistics */
769  |   stime=time(NULL);
770  | 
771  |  /* Main loop. Reading input stream line by line */
772  |  /* Empty line signals to start processing an object, if we have it */ 
773  |   while (fgets(line_buff, STR_XXL, ud_stream->stream) != NULL) {
774  | 
775  |     switch (linetype=line_type(line_buff)) {
776  |       case LINE_PLUS:
777  |       case LINE_ATTRIBUTE:
778  |        
779  |        obj = UD_parse_object(ud_stream->db_connection, &obj_parse, line_buff);
780  | 
781  |       break;
782  | 
783  |       case LINE_COMMENT:
784  |       break;
785  | 
786  |       case LINE_EOF:
787  |       break;
788  |       
789  |       case LINE_ADD:
790  |       /* restore the default operation mode */
791  |        operation=OP_ADD;
792  |        ud_stream->ud_mode=default_ud_mode;
793  |       break;
794  |       
795  |       case LINE_OVERRIDE_ADD:
796  |       /* for override - switch the dummy bit on */
797  |        operation=OP_ADD;
798  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
799  |       break;
800  |       
801  |       case LINE_UPD:
802  |       /* restore the default operation mode */
803  |        operation=OP_UPD;
804  |        ud_stream->ud_mode=default_ud_mode;
805  |       break;  
806  | 
807  |       case LINE_OVERRIDE_UPD:
808  |       /* for override - switch the dummy bit on */
809  |        operation=OP_UPD;
810  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
811  |       break;
812  |       
813  |       case LINE_DEL:
814  |       /* restore the default operation mode */
815  |        operation=OP_DEL;
816  |        ud_stream->ud_mode=default_ud_mode;
817  |       break; 
818  | 
819  |       case LINE_OVERRIDE_DEL:
820  |       /* for override - switch the dummy bit on */
821  |        operation=OP_DEL;
822  |        ud_stream->ud_mode=default_ud_mode|B_DUMMY;
823  |       break;
824  |  
825  |       case LINE_EMPTY:
826  |        /* start processing the object */
827  |         if ((obj=obj_parse.obj)) { /* if not just garbage*/
828  | 	 /* reorder some attributes */
829  |          obj->attributes = g_slist_sort(obj->attributes, reorder_attributes);
830  | 	 /* prepend the class attribute */
831  | 	 obj->attributes = g_slist_concat(obj_parse.class_attr_list, obj->attributes);
832  | 	 /* XXX */
833  | 	 /* print_object(obj); */
834  | 
835  |          /* start new transaction now */ 
836  |          result=process_transaction(ud_stream, obj, obj_parse.object_name, obj_parse.nh_ptr, operation);
837  |           
838  |          /* process_transaction() frees tr and obj structures, */
839  |          /* so make sure we'll not reference these objects in the future */
840  |          operation=OP_NOOP;
841  |          ud_stream->ud_mode=default_ud_mode;
842  | 	 ud_parse_free(&obj_parse);
843  |           
844  |          /* this is a good place for quick interrupt */
845  |          do_update=CO_get_do_update();
846  |          if (do_update) interrupt=0; else interrupt=1;
847  |          /* we still need to exit in update server mode (only 1 object at a time */ 
848  |          if (IS_UPDATE(ud_stream->ud_mode) && (!IS_STANDALONE(ud_stream->ud_mode))) interrupt=1;
849  | 	} /* if this is a real object */
850  | 	/* initialize the parsing structure */
851  | 	ud_parse_init(&obj_parse);
852  | 
853  |       break;
854  | 
855  |       default:
856  |         fprintf(stderr, "ERROR: Bad line type\n");
857  |     } /* switch */
858  |     
859  |     /* Finish processing if interrupt has been set */
860  |     if (interrupt) break;
861  |   } /* while */
862  |  
863  |  /* Some postprocessing */
864  |   if(!IS_UPDATE(ud_stream->ud_mode)){
865  |   /* We are in NRTM mode */
866  |   /* Clean up */
867  |    fclose(ud_stream->stream);
868  |   /* In NRTM mode there may be a saved object that is unprocessed */   
869  |    if(nrtm->tr){ /*saved backlog?*/
870  |     object_process(nrtm->tr); /* delete the previous(saved) object*/
871  |     result=report_transaction(nrtm->tr, &(ud_stream->log), nrtm->object_name, 
872  |                               "NRTM:DEL:While deleting previous(saved) object");
873  |     /* create DEL serial record no matter what the result is */
874  |     create_serial(nrtm->tr);
875  |     object_free(nrtm->tr->object);
876  |     transaction_free(nrtm->tr); nrtm->tr=NULL;
877  |    } 
878  |   }
879  | 
880  |  /* That's all. Free GString */
881  |   g_string_free(g_line_buff, TRUE);
882  |                                                                                                        
883  |  /* Calculate some statistics */
884  |   ftime=time(NULL);
885  |   obj_second1 = (float)(log_ptr->num_ok)/(ftime-stime);
886  |   obj_second10 = (float)(log_ptr->num_ok+log_ptr->num_failed)/(ftime-stime);
887  |   
888  |   /* Print the report */
889  |   if(IS_STANDALONE(ud_stream->ud_mode) || (!IS_UPDATE(ud_stream->ud_mode))) {
890  | /*   printf("\n\n******** report **********\n%d objects OK\n%d objects failed\n", 
891  |             log_ptr->num_ok, log_ptr->num_failed); */
892  |    fprintf(log_ptr->logfile,"\n******** report **********\n");
893  |    fprintf(log_ptr->logfile," %d objects OK (%5.2f obj/s)\n", log_ptr->num_ok, obj_second1);
894  |    fprintf(log_ptr->logfile," %d objects failed\n", log_ptr->num_failed);
895  |    fprintf(log_ptr->logfile," average processing time %5.2f obj/s (%5.2f obj/min)\n", 
896  |                           obj_second10, obj_second10*60);
897  |    result=log_ptr->num_ok+log_ptr->num_failed;
898  |   }
899  |   return(result);
900  | 
901  | } /* UD_process_stream */
902  |