ReactOS 0.4.15-dev-7788-g1ad9096
query.c File Reference
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include "internal.h"
Include dependency graph for query.c:

Go to the source code of this file.

Functions

static adns_query query_alloc (adns_state ads, const typeinfo *typei, adns_queryflags flags, struct timeval now)
 
static void query_submit (adns_state ads, adns_query qu, const typeinfo *typei, vbuf *qumsg_vb, int id, adns_queryflags flags, struct timeval now)
 
adns_status adns__internal_submit (adns_state ads, adns_query *query_r, const typeinfo *typei, vbuf *qumsg_vb, int id, adns_queryflags flags, struct timeval now, const qcontext *ctx)
 
static void query_simple (adns_state ads, adns_query qu, const char *owner, int ol, const typeinfo *typei, adns_queryflags flags, struct timeval now)
 
void adns__search_next (adns_state ads, adns_query qu, struct timeval now)
 
static int save_owner (adns_query qu, const char *owner, int ol)
 
int adns_submit (adns_state ads, const char *owner, adns_rrtype type, adns_queryflags flags, void *context, adns_query *query_r)
 
int adns_submit_reverse_any (adns_state ads, const struct sockaddr *addr, const char *zone, adns_rrtype type, adns_queryflags flags, void *context, adns_query *query_r)
 
int adns_submit_reverse (adns_state ads, const struct sockaddr *addr, adns_rrtype type, adns_queryflags flags, void *context, adns_query *query_r)
 
int adns_synchronous (adns_state ads, const char *owner, adns_rrtype type, adns_queryflags flags, adns_answer **answer_r)
 
static voidalloc_common (adns_query qu, size_t sz)
 
voidadns__alloc_interim (adns_query qu, size_t sz)
 
voidadns__alloc_preserved (adns_query qu, size_t sz)
 
voidadns__alloc_mine (adns_query qu, size_t sz)
 
void adns__transfer_interim (adns_query from, adns_query to, void *block, size_t sz)
 
voidadns__alloc_final (adns_query qu, size_t sz)
 
static void cancel_children (adns_query qu)
 
void adns__reset_preserved (adns_query qu)
 
static void free_query_allocs (adns_query qu)
 
void adns_cancel (adns_query qu)
 
void adns__update_expires (adns_query qu, unsigned long ttl, struct timeval now)
 
static void makefinal_query (adns_query qu)
 
void adns__query_done (adns_query qu)
 
void adns__query_fail (adns_query qu, adns_status stat)
 
void adns__makefinal_str (adns_query qu, char **strp)
 
void adns__makefinal_block (adns_query qu, void **blpp, size_t sz)
 

Function Documentation

◆ adns__alloc_final()

void * adns__alloc_final ( adns_query  qu,
size_t  sz 
)

Definition at line 385 of file query.c.

385 {
386 /* When we're in the _final stage, we _subtract_ from interim_alloc'd
387 * each allocation, and use final_allocspace to point to the next free
388 * bit.
389 */
390 void *rp;
391
392 sz= MEM_ROUND(sz);
393 rp= qu->final_allocspace;
394 assert(rp);
395 qu->interim_allocd -= sz;
396 assert(qu->interim_allocd>=0);
397 qu->final_allocspace= (byte*)rp + sz;
398 return rp;
399}
#define assert(x)
Definition: debug.h:53
#define MEM_ROUND(sz)
Definition: internal.h:711
int interim_allocd
Definition: internal.h:188
void * final_allocspace
Definition: internal.h:189

Referenced by adns__makefinal_block(), and adns__makefinal_str().

◆ adns__alloc_interim()

void * adns__alloc_interim ( adns_query  qu,
size_t  sz 
)

Definition at line 342 of file query.c.

342 {
343 void *rv;
344
345 sz= MEM_ROUND(sz);
346 rv= alloc_common(qu,sz);
347 if (!rv) return 0;
348 qu->interim_allocd += sz;
349 return rv;
350}
static void * alloc_common(adns_query qu, size_t sz)
Definition: query.c:331

Referenced by adns__alloc_preserved(), adns__procdgram(), pa_txt(), pap_domain(), pap_findaddrs(), pap_mailbox822(), and pap_qstring().

◆ adns__alloc_mine()

void * adns__alloc_mine ( adns_query  qu,
size_t  sz 
)

Definition at line 362 of file query.c.

362 {
363 return alloc_common(qu,MEM_ROUND(sz));
364}

Referenced by adns__procdgram().

◆ adns__alloc_preserved()

void * adns__alloc_preserved ( adns_query  qu,
size_t  sz 
)

Definition at line 352 of file query.c.

352 {
353 void *rv;
354
355 sz= MEM_ROUND(sz);
356 rv= adns__alloc_interim(qu,sz);
357 if (!rv) return 0;
358 qu->preserved_allocd += sz;
359 return rv;
360}
void * adns__alloc_interim(adns_query qu, size_t sz)
Definition: query.c:342
int preserved_allocd
Definition: internal.h:188

Referenced by adns__procdgram(), and save_owner().

◆ adns__internal_submit()

adns_status adns__internal_submit ( adns_state  ads,
adns_query query_r,
const typeinfo typei,
vbuf qumsg_vb,
int  id,
adns_queryflags  flags,
struct timeval  now,
const qcontext ctx 
)

Definition at line 111 of file query.c.

114 {
115 adns_query qu;
116
117 qu= query_alloc(ads,typei,flags,now);
118 if (!qu) { adns__vbuf_free(qumsg_vb); return adns_s_nomemory; }
119 *query_r= qu;
120
121 memcpy(&qu->ctx,ctx,(size_t) sizeof(qu->ctx));
122 query_submit(ads,qu, typei,qumsg_vb,id,flags,now);
123
124 return adns_s_ok;
125}
adns_state ads
Definition: adh-query.c:35
@ adns_s_ok
Definition: adns.h:216
@ adns_s_nomemory
Definition: adns.h:219
time_t now
Definition: finger.c:65
GLbitfield flags
Definition: glext.h:7161
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
void adns__vbuf_free(vbuf *vb)
Definition: general.c:155
static void query_submit(adns_state ads, adns_query qu, const typeinfo *typei, vbuf *qumsg_vb, int id, adns_queryflags flags, struct timeval now)
Definition: query.c:91
static adns_query query_alloc(adns_state ads, const typeinfo *typei, adns_queryflags flags, struct timeval now)
Definition: query.c:41
qcontext ctx
Definition: internal.h:233

Referenced by pa_ptr(), and pap_hostaddr().

◆ adns__makefinal_block()

void adns__makefinal_block ( adns_query  qu,
void **  blpp,
size_t  sz 
)

Definition at line 565 of file query.c.

565 {
566 void *before, *after;
567
568 before= *blpp;
569 if (!before) return;
570 after= adns__alloc_final(qu,sz);
571 memcpy(after,before, (size_t) sz);
572 *blpp= after;
573}
void * adns__alloc_final(adns_query qu, size_t sz)
Definition: query.c:385
__inline int before(__u32 seq1, __u32 seq2)
Definition: tcpcore.h:2390
__inline int after(__u32 seq1, __u32 seq2)
Definition: tcpcore.h:2395

Referenced by makefinal_query(), mf_manyistr(), and mfp_hostaddr().

◆ adns__makefinal_str()

void adns__makefinal_str ( adns_query  qu,
char **  strp 
)

Definition at line 553 of file query.c.

553 {
554 int l;
555 char *before, *after;
556
557 before= *strp;
558 if (!before) return;
559 l= strlen(before)+1;
560 after= adns__alloc_final(qu, (size_t) l);
561 memcpy(after,before,(size_t) l);
562 *strp= after;
563}
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
r l[0]
Definition: byte_order.h:168

Referenced by makefinal_query(), mf_intstr(), mf_intstrpair(), mf_manyistr(), mf_soa(), mf_str(), mf_strpair(), and mfp_hostaddr().

◆ adns__query_done()

void adns__query_done ( adns_query  qu)

Definition at line 503 of file query.c.

503 {
504 adns_answer *ans;
506
507 cancel_children(qu);
508
509 qu->id= -1;
510 ans= qu->answer;
511
512 if (qu->flags & adns_qf_owner && qu->flags & adns_qf_search &&
513 ans->status != adns_s_nomemory) {
514 if (!save_owner(qu, (char*)qu->search_vb.buf, qu->search_vb.used)) {
516 return;
517 }
518 }
519
520 if (ans->nrrs && qu->typei->diff_needswap) {
521 if (!adns__vbuf_ensure(&qu->vb,qu->typei->rrsz)) {
523 return;
524 }
525 adns__isort(ans->rrs.bytes, ans->nrrs, ans->rrsz,
526 qu->vb.buf,
527 (int(*)(void*, const void*, const void*))qu->typei->diff_needswap,
528 qu->ads);
529 }
530
531 ans->expires= qu->expires;
532 parent= qu->parent;
533 if (parent) {
534 LIST_UNLINK_PART(parent->children,qu,siblings.);
535 LIST_UNLINK(qu->ads->childw,parent);
536 qu->ctx.callback(parent,qu);
538 free(qu->answer);
539 free(qu);
540 } else {
541 makefinal_query(qu);
542 LIST_LINK_TAIL(qu->ads->output,qu);
543 qu->state= query_done;
544 }
545}
void query_done(struct query_node *qun, adns_answer *answer)
Definition: adh-query.c:253
@ adns_qf_search
Definition: adns.h:101
@ adns_qf_owner
Definition: adns.h:103
#define free
Definition: debug_ros.c:5
r parent
Definition: btrfs.c:3010
#define LIST_UNLINK_PART(list, node, part)
Definition: dlist.h:34
#define LIST_UNLINK(list, node)
Definition: dlist.h:50
#define LIST_LINK_TAIL(list, node)
Definition: dlist.h:51
int adns__vbuf_ensure(vbuf *vb, int want)
Definition: general.c:116
void adns__isort(void *array, int nobjs, int sz, void *tempbuf, int(*needswap)(void *context, const void *a, const void *b), void *context)
Definition: general.c:319
static void cancel_children(adns_query qu)
Definition: query.c:401
static int save_owner(adns_query qu, const char *owner, int ol)
Definition: query.c:190
static void makefinal_query(adns_query qu)
Definition: query.c:467
void adns__query_fail(adns_query qu, adns_status stat)
Definition: query.c:547
static void free_query_allocs(adns_query qu)
Definition: query.c:418
adns_query parent
Definition: internal.h:184
const typeinfo * typei
Definition: internal.h:191
adns_state ads
Definition: internal.h:182
time_t expires
Definition: internal.h:231
enum adns__query::@4222 state
vbuf search_vb
Definition: internal.h:216
adns_answer * answer
Definition: internal.h:201
struct query_queue udpw tcpw childw output
Definition: internal.h:295
int nrrs
Definition: adns.h:316
time_t expires
Definition: adns.h:315
int rrsz
Definition: adns.h:316
union adns_answer::@4220 rrs
adns_status status
Definition: adns.h:311
unsigned char * bytes
Definition: adns.h:319
void(* callback)(adns_query parent, adns_query child)
Definition: internal.h:174
int(* diff_needswap)(adns_state ads, const void *datap_a, const void *datap_b)
Definition: internal.h:153
int rrsz
Definition: internal.h:128
int used
Definition: internal.h:111
byte * buf
Definition: internal.h:112

Referenced by adns__procdgram(), adns__query_fail(), icb_hostaddr(), and icb_ptr().

◆ adns__query_fail()

void adns__query_fail ( adns_query  qu,
adns_status  stat 
)

Definition at line 547 of file query.c.

547 {
549 qu->answer->status= stat;
551}
#define stat
Definition: acwin.h:99
void adns__reset_preserved(adns_query qu)
Definition: query.c:410
void adns__query_done(adns_query qu)
Definition: query.c:503

Referenced by adns__procdgram(), adns__query_done(), adns__query_send(), adns__search_next(), adns_globalsystemfailure(), adns_submit(), icb_ptr(), query_simple(), query_submit(), tcp_events(), and timeouts_queue().

◆ adns__reset_preserved()

void adns__reset_preserved ( adns_query  qu)

Definition at line 410 of file query.c.

410 {
412 cancel_children(qu);
413 qu->answer->nrrs= 0;
414 qu->answer->rrs.untyped= 0;
416}
void * untyped
Definition: adns.h:318

Referenced by adns__procdgram(), adns__query_fail(), and makefinal_query().

◆ adns__search_next()

void adns__search_next ( adns_state  ads,
adns_query  qu,
struct timeval  now 
)

Definition at line 151 of file query.c.

151 {
152 const char *nextentry;
154
155 if (qu->search_doneabs<0) {
156 nextentry= 0;
157 qu->search_doneabs= 1;
158 } else {
159 if (qu->search_pos >= ads->nsearchlist) {
160 if (qu->search_doneabs) {
161 stat= adns_s_nxdomain; goto x_fail;
162 return;
163 } else {
164 nextentry= 0;
165 qu->search_doneabs= 1;
166 }
167 } else {
168 nextentry= ads->searchlist[qu->search_pos++];
169 }
170 }
171
173 if (nextentry) {
174 if (!adns__vbuf_append(&qu->search_vb,(byte*)".",1) ||
175 !adns__vbuf_appendstr(&qu->search_vb,nextentry)) {
176 stat= adns_s_nomemory; goto x_fail;
177 }
178 }
179
180 free(qu->query_dgram);
181 qu->query_dgram= 0; qu->query_dglen= 0;
182
183 query_simple(ads,qu, (char*)qu->search_vb.buf, qu->search_vb.used, qu->typei, qu->flags, now);
184 return;
185
186x_fail:
188}
adns_status
Definition: adns.h:215
@ adns_s_nxdomain
Definition: adns.h:260
int adns__vbuf_append(vbuf *vb, const byte *data, int len)
Definition: general.c:131
int adns__vbuf_appendstr(vbuf *vb, const char *data)
Definition: general.c:149
static void query_simple(adns_state ads, adns_query qu, const char *owner, int ol, const typeinfo *typei, adns_queryflags flags, struct timeval now)
Definition: query.c:127
int search_origlen
Definition: internal.h:217
byte * query_dgram
Definition: internal.h:192
int search_pos
Definition: internal.h:217
int query_dglen
Definition: internal.h:193
int search_doneabs
Definition: internal.h:217
int nsearchlist
Definition: internal.h:300
char ** searchlist
Definition: internal.h:322
Definition: stat.h:55

Referenced by adns__procdgram(), adns_submit(), and query_simple().

◆ adns__transfer_interim()

void adns__transfer_interim ( adns_query  from,
adns_query  to,
void block,
size_t  sz 
)

Definition at line 366 of file query.c.

366 {
367 allocnode *an;
368
369 if (!block) return;
370 an= (void*)((byte*)block - MEM_ROUND(sizeof(*an)));
371
373 assert(!from->final_allocspace);
374
375 LIST_UNLINK(from->allocations,an);
377
378 sz= MEM_ROUND(sz);
379 from->interim_allocd -= sz;
380 to->interim_allocd += sz;
381
382 if (to->expires > from->expires) to->expires= from->expires;
383}
CardRegion * from
Definition: spigame.cpp:19
struct adns__query::@4225 allocations
static unsigned int block
Definition: xmlmemory.c:101

Referenced by icb_hostaddr().

◆ adns__update_expires()

void adns__update_expires ( adns_query  qu,
unsigned long  ttl,
struct timeval  now 
)

Definition at line 458 of file query.c.

458 {
459 time_t max;
460
461 assert(ttl <= MAXTTLBELIEVE);
462 max= now.tv_sec + ttl;
463 if (qu->expires < max) return;
464 qu->expires= max;
465}
__kernel_time_t time_t
Definition: linux.h:252
#define MAXTTLBELIEVE
Definition: internal.h:70
#define max(a, b)
Definition: svc.c:63

Referenced by adns__procdgram(), and pap_findaddrs().

◆ adns_cancel()

void adns_cancel ( adns_query  qu)

Definition at line 430 of file query.c.

430 {
432
433 ads= qu->ads;
435 if (qu->parent) LIST_UNLINK_PART(qu->parent->children,qu,siblings.);
436 switch (qu->state) {
437 case query_tosend:
438 LIST_UNLINK(ads->udpw,qu);
439 break;
440 case query_tcpw:
441 LIST_UNLINK(ads->tcpw,qu);
442 break;
443 case query_childw:
444 LIST_UNLINK(ads->childw,qu);
445 break;
446 case query_done:
448 break;
449 default:
450 abort();
451 }
453 free(qu->answer);
454 free(qu);
456}
void adns__consistency(adns_state ads, adns_query qu, consistency_checks cc)
Definition: check.c:185
#define abort()
Definition: i386-dis.c:34
@ cc_entex
Definition: internal.h:86
struct adns__query::@4223 children

Referenced by adns_finish(), adns_synchronous(), cancel_children(), and of_cancel_id().

◆ adns_submit()

int adns_submit ( adns_state  ads,
const char owner,
adns_rrtype  type,
adns_queryflags  flags,
void context,
adns_query query_r 
)

Definition at line 204 of file query.c.

209 {
210 int r, ol, ndots;
212 const typeinfo *typei;
213 struct timeval now;
214 adns_query qu;
215 const char *p;
216
218
219 typei= adns__findtype(type);
220 if (!typei) return ENOSYS;
221
222 r= gettimeofday(&now,0); if (r) goto x_errno;
223 qu= query_alloc(ads,typei,flags,now); if (!qu) goto x_errno;
224
225 qu->ctx.ext= context;
226 qu->ctx.callback= 0;
227 memset(&qu->ctx.info,0,sizeof(qu->ctx.info));
228
229 *query_r= qu;
230
231 ol= strlen(owner);
232 if (!ol) { stat= adns_s_querydomaininvalid; goto x_adnsfail; }
233 if (ol>DNS_MAXDOMAIN+1) { stat= adns_s_querydomaintoolong; goto x_adnsfail; }
234
235 if (ol>=1 && owner[ol-1]=='.' && (ol<2 || owner[ol-2]!='\\')) {
236 flags &= ~adns_qf_search;
237 qu->flags= flags;
238 ol--;
239 }
240
241 if (flags & adns_qf_search) {
242 r= adns__vbuf_append(&qu->search_vb,(byte*)owner,ol);
243 if (!r) { stat= adns_s_nomemory; goto x_adnsfail; }
244
245 for (ndots=0, p=owner; (p= strchr(p,'.')); p++, ndots++);
246 qu->search_doneabs= (ndots >= ads->searchndots) ? -1 : 0;
247 qu->search_origlen= ol;
249 } else {
250 if (flags & adns_qf_owner) {
251 if (!save_owner(qu,owner,ol)) { stat= adns_s_nomemory; goto x_adnsfail; }
252 }
253 query_simple(ads,qu, owner,ol, typei,flags, now);
254 }
257 return 0;
258
259 x_adnsfail:
262 return 0;
263
264 x_errno:
265 r= errno;
266 assert(r);
268 return r;
269}
char * strchr(const char *String, int ch)
Definition: utclib.c:501
@ adns_s_querydomaintoolong
Definition: adns.h:255
@ adns_s_querydomaininvalid
Definition: adns.h:254
#define gettimeofday(tv, tz)
Definition: adns_win32.h:159
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
GLfloat GLfloat p
Definition: glext.h:8902
#define ENOSYS
Definition: errno.h:57
#define errno
Definition: errno.h:18
void adns__autosys(adns_state ads, struct timeval now)
Definition: event.c:665
const typeinfo * adns__findtype(adns_rrtype type)
Definition: types.c:1025
#define DNS_MAXDOMAIN
Definition: internal.h:75
void adns__search_next(adns_state ads, adns_query qu, struct timeval now)
Definition: query.c:151
#define memset(x, y, z)
Definition: compat.h:39
int searchndots
Definition: internal.h:300
Definition: http.c:7252

Referenced by adns_submit_reverse_any(), adns_synchronous(), main(), query_do(), and readline().

◆ adns_submit_reverse()

int adns_submit_reverse ( adns_state  ads,
const struct sockaddr addr,
adns_rrtype  type,
adns_queryflags  flags,
void context,
adns_query query_r 
)

Definition at line 304 of file query.c.

309 {
310 if (type != adns_r_ptr && type != adns_r_ptr_raw) return EINVAL;
311 return adns_submit_reverse_any(ads,addr,"in-addr.arpa",type,flags,context,query_r);
312}
#define EINVAL
Definition: acclib.h:90
@ adns_r_ptr_raw
Definition: adns.h:130
@ adns_r_ptr
Definition: adns.h:131
GLenum const GLvoid * addr
Definition: glext.h:9621
int adns_submit_reverse_any(adns_state ads, const struct sockaddr *addr, const char *zone, adns_rrtype type, adns_queryflags flags, void *context, adns_query *query_r)
Definition: query.c:271

Referenced by of_ptr(), and procaddr().

◆ adns_submit_reverse_any()

int adns_submit_reverse_any ( adns_state  ads,
const struct sockaddr addr,
const char zone,
adns_rrtype  type,
adns_queryflags  flags,
void context,
adns_query query_r 
)

Definition at line 271 of file query.c.

277 {
278 const unsigned char *iaddr;
279 char *buf, *buf_free;
280 char shortbuf[100];
281 int r, lreq;
282
283 flags &= ~adns_qf_search;
284
285 if (addr->sa_family != AF_INET) return ENOSYS;
286 iaddr= (const unsigned char*) &(((const struct sockaddr_in*)addr) -> sin_addr);
287
288 lreq= strlen(zone) + 4*4 + 1;
289 if (lreq > (int)sizeof(shortbuf)) {
290 buf= malloc( strlen(zone) + 4*4 + 1 );
291 if (!buf) return errno;
292 buf_free= buf;
293 } else {
294 buf= shortbuf;
295 buf_free= 0;
296 }
297 sprintf(buf, "%d.%d.%d.%d.%s", iaddr[3], iaddr[2], iaddr[1], iaddr[0], zone);
298
300 free(buf_free);
301 return r;
302}
#define malloc
Definition: debug_ros.c:4
#define AF_INET
Definition: tcpip.h:117
GLenum GLuint GLenum GLsizei const GLchar * buf
Definition: glext.h:7751
#define sprintf(buf, format,...)
Definition: sprintf.c:55
DWORD zone
Definition: sec_mgr.c:1754
int adns_submit(adns_state ads, const char *owner, adns_rrtype type, adns_queryflags flags, void *context, adns_query *query_r)
Definition: query.c:204
Definition: dhcpd.h:125

Referenced by adns_submit_reverse(), and of_reverse().

◆ adns_synchronous()

int adns_synchronous ( adns_state  ads,
const char owner,
adns_rrtype  type,
adns_queryflags  flags,
adns_answer **  answer_r 
)

Definition at line 314 of file query.c.

318 {
319 adns_query qu;
320 int r;
321
322 r= adns_submit(ads,owner,type,flags,0,&qu);
323 if (r) return r;
324
325 r= adns_wait(ads,&qu,answer_r,0);
326 if (r) adns_cancel(qu);
327
328 return r;
329}
ADNS_API int adns_wait(adns_state ads, adns_query *query_io, adns_answer **answer_r, void **context_r)
Definition: event.c:696
void adns_cancel(adns_query qu)
Definition: query.c:430

Referenced by Query_Main().

◆ alloc_common()

static void * alloc_common ( adns_query  qu,
size_t  sz 
)
static

Definition at line 331 of file query.c.

331 {
332 allocnode *an;
333
334 if (!sz) return qu; /* Any old pointer will do */
336 an= malloc(MEM_ROUND(MEM_ROUND(sizeof(*an)) + sz));
337 if (!an) return 0;
339 return (byte*)an + MEM_ROUND(sizeof(*an));
340}

Referenced by adns__alloc_interim(), and adns__alloc_mine().

◆ cancel_children()

static void cancel_children ( adns_query  qu)
static

Definition at line 401 of file query.c.

401 {
402 adns_query cqu, ncqu;
403
404 for (cqu= qu->children.head; cqu; cqu= ncqu) {
405 ncqu= cqu->siblings.next;
406 adns_cancel(cqu);
407 }
408}
struct adns__query::@4224 siblings

Referenced by adns__query_done(), adns__reset_preserved(), and free_query_allocs().

◆ free_query_allocs()

static void free_query_allocs ( adns_query  qu)
static

Definition at line 418 of file query.c.

418 {
419 allocnode *an, *ann;
420
421 cancel_children(qu);
422 for (an= qu->allocations.head; an; an= ann) { ann= an->next; free(an); }
424 adns__vbuf_free(&qu->vb);
426 free(qu->query_dgram);
427 qu->query_dgram= 0;
428}
struct allocnode * next
Definition: internal.h:160
#define LIST_INIT(head)
Definition: queue.h:197

Referenced by adns__query_done(), adns_cancel(), and makefinal_query().

◆ makefinal_query()

static void makefinal_query ( adns_query  qu)
static

Definition at line 467 of file query.c.

467 {
468 adns_answer *ans;
469 int rrn;
470
471 ans= qu->answer;
472
473 if (qu->interim_allocd) {
474 ans= realloc(qu->answer, MEM_ROUND(MEM_ROUND(sizeof(*ans)) + qu->interim_allocd));
475 if (!ans) goto x_nomem;
476 qu->answer= ans;
477 }
478
479 qu->final_allocspace= (byte*)ans + MEM_ROUND(sizeof(*ans));
480 adns__makefinal_str(qu,&ans->cname);
481 adns__makefinal_str(qu,&ans->owner);
482
483 if (ans->nrrs) {
484 adns__makefinal_block(qu, &ans->rrs.untyped, (size_t) ans->nrrs*ans->rrsz);
485
486 for (rrn=0; rrn<ans->nrrs; rrn++)
487 qu->typei->makefinal(qu, ans->rrs.bytes + rrn*ans->rrsz);
488 }
489
491 return;
492
493 x_nomem:
494 qu->preserved_allocd= 0;
495 qu->answer->cname= 0;
496 qu->answer->owner= 0;
497 adns__reset_preserved(qu); /* (but we just threw away the preserved stuff) */
498
501}
#define realloc
Definition: debug_ros.c:6
void adns__makefinal_str(adns_query qu, char **strp)
Definition: query.c:553
void adns__makefinal_block(adns_query qu, void **blpp, size_t sz)
Definition: query.c:565
char * cname
Definition: adns.h:312
char * owner
Definition: adns.h:313
void(* makefinal)(adns_query qu, void *data)
Definition: internal.h:130

Referenced by adns__query_done().

◆ query_alloc()

static adns_query query_alloc ( adns_state  ads,
const typeinfo typei,
adns_queryflags  flags,
struct timeval  now 
)
static

Definition at line 41 of file query.c.

42 {
43 /* Allocate a virgin query and return it. */
44 adns_query qu;
45
46 qu= malloc(sizeof(*qu)); if (!qu) return 0;
47 qu->answer= malloc(sizeof(*qu->answer)); if (!qu->answer) { free(qu); return 0; }
48
49 qu->ads= ads;
50 qu->state= query_tosend;
51 qu->back= qu->next= qu->parent= 0;
55 qu->interim_allocd= 0;
56 qu->preserved_allocd= 0;
57 qu->final_allocspace= 0;
58
59 qu->typei= typei;
60 qu->query_dgram= 0;
61 qu->query_dglen= 0;
62 adns__vbuf_init(&qu->vb);
63
64 qu->cname_dgram= 0;
65 qu->cname_dglen= qu->cname_begin= 0;
66
69
70 qu->id= -2; /* will be overwritten with real id before we leave adns */
71 qu->flags= flags;
72 qu->retries= 0;
73 qu->udpnextserver= 0;
74 qu->udpsent= 0;
75 timerclear(&qu->timeout);
76 qu->expires= now.tv_sec + MAXTTLBELIEVE;
77
78 memset(&qu->ctx,0,sizeof(qu->ctx));
79
81 qu->answer->cname= qu->answer->owner= 0;
82 qu->answer->type= typei->type;
83 qu->answer->expires= -1;
84 qu->answer->nrrs= 0;
85 qu->answer->rrs.untyped= 0;
86 qu->answer->rrsz= typei->rrsz;
87
88 return qu;
89}
#define timerclear(tvp)
Definition: rdesktop.h:190
#define LINK_INIT(link)
Definition: dlist.h:32
void adns__vbuf_init(vbuf *vb)
Definition: general.c:112
int retries
Definition: internal.h:227
adns_query next
Definition: internal.h:184
struct timeval timeout
Definition: internal.h:230
int cname_begin
Definition: internal.h:213
unsigned long udpsent
Definition: internal.h:229
byte * cname_dgram
Definition: internal.h:212
int udpnextserver
Definition: internal.h:228
int cname_dglen
Definition: internal.h:213
adns_query back
Definition: internal.h:184
adns_rrtype type
Definition: adns.h:314
adns_rrtype type
Definition: internal.h:125

Referenced by adns__internal_submit(), and adns_submit().

◆ query_simple()

static void query_simple ( adns_state  ads,
adns_query  qu,
const char owner,
int  ol,
const typeinfo typei,
adns_queryflags  flags,
struct timeval  now 
)
static

Definition at line 127 of file query.c.

130 {
131 vbuf vb_new;
132 int id;
134
135 stat= adns__mkquery(ads,&qu->vb,&id, owner,ol, typei,flags);
136 if (stat) {
139 return;
140 } else {
142 return;
143 }
144 }
145
146 vb_new= qu->vb;
147 adns__vbuf_init(&qu->vb);
148 query_submit(ads,qu, typei,&vb_new,id, flags,now);
149}
GLuint id
Definition: glext.h:5910
adns_status adns__mkquery(adns_state ads, vbuf *vb, int *id_r, const char *owner, int ol, const typeinfo *typei, adns_queryflags flags)
Definition: transmit.c:81
Definition: internal.h:110

Referenced by adns__search_next(), and adns_submit().

◆ query_submit()

static void query_submit ( adns_state  ads,
adns_query  qu,
const typeinfo typei,
vbuf qumsg_vb,
int  id,
adns_queryflags  flags,
struct timeval  now 
)
static

Definition at line 91 of file query.c.

93 {
94 /* Fills in the query message in for a previously-allocated query,
95 * and submits it. Cannot fail. Takes over the memory for qumsg_vb.
96 */
97
98 qu->vb= *qumsg_vb;
99 adns__vbuf_init(qumsg_vb);
100
101 qu->query_dgram= malloc( (size_t) qu->vb.used);
102 if (!qu->query_dgram) { adns__query_fail(qu,adns_s_nomemory); return; }
103
104 qu->id= id;
105 qu->query_dglen= qu->vb.used;
106 memcpy(qu->query_dgram,qu->vb.buf,(size_t) qu->vb.used);
107
109}
void adns__query_send(adns_query qu, struct timeval now)
Definition: transmit.c:232

Referenced by adns__internal_submit(), and query_simple().

◆ save_owner()

static int save_owner ( adns_query  qu,
const char owner,
int  ol 
)
static

Definition at line 190 of file query.c.

190 {
191 /* Returns 1 if OK, otherwise there was no memory. */
192 adns_answer *ans;
193
194 ans= qu->answer;
195 assert(!ans->owner);
196
197 ans->owner= adns__alloc_preserved(qu, (size_t) ol+1); if (!ans->owner) return 0;
198
199 memcpy(ans->owner,owner, (size_t) ol);
200 ans->owner[ol]= 0;
201 return 1;
202}
void * adns__alloc_preserved(adns_query qu, size_t sz)
Definition: query.c:352

Referenced by adns__query_done(), and adns_submit().