curl_setup.h 23 KB

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  1. #ifndef HEADER_CURL_SETUP_H
  2. #define HEADER_CURL_SETUP_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
  11. *
  12. * This software is licensed as described in the file COPYING, which
  13. * you should have received as part of this distribution. The terms
  14. * are also available at https://curl.se/docs/copyright.html.
  15. *
  16. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17. * copies of the Software, and permit persons to whom the Software is
  18. * furnished to do so, under the terms of the COPYING file.
  19. *
  20. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21. * KIND, either express or implied.
  22. *
  23. * SPDX-License-Identifier: curl
  24. *
  25. ***************************************************************************/
  26. #if defined(BUILDING_LIBCURL) && !defined(CURL_NO_OLDIES)
  27. #define CURL_NO_OLDIES
  28. #endif
  29. /* define mingw version macros, eg __MINGW{32,64}_{MINOR,MAJOR}_VERSION */
  30. #ifdef __MINGW32__
  31. #include <_mingw.h>
  32. #endif
  33. /*
  34. * Disable Visual Studio warnings:
  35. * 4127 "conditional expression is constant"
  36. */
  37. #ifdef _MSC_VER
  38. #pragma warning(disable:4127)
  39. #endif
  40. /*
  41. * Define WIN32 when build target is Win32 API
  42. */
  43. #if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
  44. #define WIN32
  45. #endif
  46. #ifdef WIN32
  47. /*
  48. * Don't include unneeded stuff in Windows headers to avoid compiler
  49. * warnings and macro clashes.
  50. * Make sure to define this macro before including any Windows headers.
  51. */
  52. # ifndef WIN32_LEAN_AND_MEAN
  53. # define WIN32_LEAN_AND_MEAN
  54. # endif
  55. # ifndef NOGDI
  56. # define NOGDI
  57. # endif
  58. /* Detect Windows App environment which has a restricted access
  59. * to the Win32 APIs. */
  60. # if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \
  61. defined(WINAPI_FAMILY)
  62. # include <winapifamily.h>
  63. # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \
  64. !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
  65. # define CURL_WINDOWS_APP
  66. # endif
  67. # endif
  68. #endif
  69. /*
  70. * Include configuration script results or hand-crafted
  71. * configuration file for platforms which lack config tool.
  72. */
  73. #ifdef HAVE_CONFIG_H
  74. #include "curl_config.h"
  75. #else /* HAVE_CONFIG_H */
  76. #ifdef _WIN32_WCE
  77. # include "config-win32ce.h"
  78. #else
  79. # ifdef WIN32
  80. # include "config-win32.h"
  81. # endif
  82. #endif
  83. #if defined(macintosh) && defined(__MRC__)
  84. # include "config-mac.h"
  85. #endif
  86. #ifdef __riscos__
  87. # include "config-riscos.h"
  88. #endif
  89. #ifdef __AMIGA__
  90. # include "config-amigaos.h"
  91. #endif
  92. #ifdef __OS400__
  93. # include "config-os400.h"
  94. #endif
  95. #ifdef __PLAN9__
  96. # include "config-plan9.h"
  97. #endif
  98. #endif /* HAVE_CONFIG_H */
  99. /* ================================================================ */
  100. /* Definition of preprocessor macros/symbols which modify compiler */
  101. /* behavior or generated code characteristics must be done here, */
  102. /* as appropriate, before any system header file is included. It is */
  103. /* also possible to have them defined in the config file included */
  104. /* before this point. As a result of all this we frown inclusion of */
  105. /* system header files in our config files, avoid this at any cost. */
  106. /* ================================================================ */
  107. /*
  108. * AIX 4.3 and newer needs _THREAD_SAFE defined to build
  109. * proper reentrant code. Others may also need it.
  110. */
  111. #ifdef NEED_THREAD_SAFE
  112. # ifndef _THREAD_SAFE
  113. # define _THREAD_SAFE
  114. # endif
  115. #endif
  116. /*
  117. * Tru64 needs _REENTRANT set for a few function prototypes and
  118. * things to appear in the system header files. Unixware needs it
  119. * to build proper reentrant code. Others may also need it.
  120. */
  121. #ifdef NEED_REENTRANT
  122. # ifndef _REENTRANT
  123. # define _REENTRANT
  124. # endif
  125. #endif
  126. /* Solaris needs this to get a POSIX-conformant getpwuid_r */
  127. #if defined(sun) || defined(__sun)
  128. # ifndef _POSIX_PTHREAD_SEMANTICS
  129. # define _POSIX_PTHREAD_SEMANTICS 1
  130. # endif
  131. #endif
  132. /* ================================================================ */
  133. /* If you need to include a system header file for your platform, */
  134. /* please, do it beyond the point further indicated in this file. */
  135. /* ================================================================ */
  136. /*
  137. * Disable other protocols when http is the only one desired.
  138. */
  139. #ifdef HTTP_ONLY
  140. # ifndef CURL_DISABLE_DICT
  141. # define CURL_DISABLE_DICT
  142. # endif
  143. # ifndef CURL_DISABLE_FILE
  144. # define CURL_DISABLE_FILE
  145. # endif
  146. # ifndef CURL_DISABLE_FTP
  147. # define CURL_DISABLE_FTP
  148. # endif
  149. # ifndef CURL_DISABLE_GOPHER
  150. # define CURL_DISABLE_GOPHER
  151. # endif
  152. # ifndef CURL_DISABLE_IMAP
  153. # define CURL_DISABLE_IMAP
  154. # endif
  155. # ifndef CURL_DISABLE_LDAP
  156. # define CURL_DISABLE_LDAP
  157. # endif
  158. # ifndef CURL_DISABLE_LDAPS
  159. # define CURL_DISABLE_LDAPS
  160. # endif
  161. # ifndef CURL_DISABLE_MQTT
  162. # define CURL_DISABLE_MQTT
  163. # endif
  164. # ifndef CURL_DISABLE_POP3
  165. # define CURL_DISABLE_POP3
  166. # endif
  167. # ifndef CURL_DISABLE_RTSP
  168. # define CURL_DISABLE_RTSP
  169. # endif
  170. # ifndef CURL_DISABLE_SMB
  171. # define CURL_DISABLE_SMB
  172. # endif
  173. # ifndef CURL_DISABLE_SMTP
  174. # define CURL_DISABLE_SMTP
  175. # endif
  176. # ifndef CURL_DISABLE_TELNET
  177. # define CURL_DISABLE_TELNET
  178. # endif
  179. # ifndef CURL_DISABLE_TFTP
  180. # define CURL_DISABLE_TFTP
  181. # endif
  182. #endif
  183. /*
  184. * When http is disabled rtsp is not supported.
  185. */
  186. #if defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_RTSP)
  187. # define CURL_DISABLE_RTSP
  188. #endif
  189. /* ================================================================ */
  190. /* No system header file shall be included in this file before this */
  191. /* point. */
  192. /* ================================================================ */
  193. /*
  194. * OS/400 setup file includes some system headers.
  195. */
  196. #ifdef __OS400__
  197. # include "setup-os400.h"
  198. #endif
  199. /*
  200. * VMS setup file includes some system headers.
  201. */
  202. #ifdef __VMS
  203. # include "setup-vms.h"
  204. #endif
  205. /*
  206. * Windows setup file includes some system headers.
  207. */
  208. #ifdef HAVE_WINDOWS_H
  209. # include "setup-win32.h"
  210. #endif
  211. #include <curl/system.h>
  212. /*
  213. * Use getaddrinfo to resolve the IPv4 address literal. If the current network
  214. * interface doesn't support IPv4, but supports IPv6, NAT64, and DNS64,
  215. * performing this task will result in a synthesized IPv6 address.
  216. */
  217. #if defined(__APPLE__) && !defined(USE_ARES)
  218. #include <TargetConditionals.h>
  219. #define USE_RESOLVE_ON_IPS 1
  220. # if defined(TARGET_OS_OSX) && TARGET_OS_OSX
  221. # define CURL_OSX_CALL_COPYPROXIES 1
  222. # endif
  223. #endif
  224. #ifdef USE_LWIPSOCK
  225. # include <lwip/init.h>
  226. # include <lwip/sockets.h>
  227. # include <lwip/netdb.h>
  228. #endif
  229. #ifdef HAVE_EXTRA_STRICMP_H
  230. # include <extra/stricmp.h>
  231. #endif
  232. #ifdef HAVE_EXTRA_STRDUP_H
  233. # include <extra/strdup.h>
  234. #endif
  235. #ifdef __AMIGA__
  236. # ifdef __amigaos4__
  237. # define __USE_INLINE__
  238. /* use our own resolver which uses runtime feature detection */
  239. # define CURLRES_AMIGA
  240. /* getaddrinfo() currently crashes bsdsocket.library, so disable */
  241. # undef HAVE_GETADDRINFO
  242. # if !(defined(__NEWLIB__) || \
  243. (defined(__CLIB2__) && defined(__THREAD_SAFE)))
  244. /* disable threaded resolver with clib2 - requires newlib or clib-ts */
  245. # undef USE_THREADS_POSIX
  246. # endif
  247. # endif
  248. # include <exec/types.h>
  249. # include <exec/execbase.h>
  250. # include <proto/exec.h>
  251. # include <proto/dos.h>
  252. # include <unistd.h>
  253. # if defined(HAVE_PROTO_BSDSOCKET_H) && \
  254. (!defined(__amigaos4__) || defined(USE_AMISSL))
  255. /* use bsdsocket.library directly, instead of libc networking functions */
  256. # include <proto/bsdsocket.h>
  257. # ifdef __amigaos4__
  258. int Curl_amiga_select(int nfds, fd_set *readfds, fd_set *writefds,
  259. fd_set *errorfds, struct timeval *timeout);
  260. # define select(a,b,c,d,e) Curl_amiga_select(a,b,c,d,e)
  261. # else
  262. # define select(a,b,c,d,e) WaitSelect(a,b,c,d,e,0)
  263. # endif
  264. /* must not use libc's fcntl() on bsdsocket.library sockfds! */
  265. # undef HAVE_FCNTL
  266. # undef HAVE_FCNTL_O_NONBLOCK
  267. # else
  268. /* use libc networking and hence close() and fnctl() */
  269. # undef HAVE_CLOSESOCKET_CAMEL
  270. # undef HAVE_IOCTLSOCKET_CAMEL
  271. # endif
  272. /*
  273. * In clib2 arpa/inet.h warns that some prototypes may clash
  274. * with bsdsocket.library. This avoids the definition of those.
  275. */
  276. # define __NO_NET_API
  277. #endif
  278. #include <stdio.h>
  279. #ifdef HAVE_ASSERT_H
  280. #include <assert.h>
  281. #endif
  282. #ifdef __TANDEM /* for ns*-tandem-nsk systems */
  283. # if ! defined __LP64
  284. # include <floss.h> /* FLOSS is only used for 32-bit builds. */
  285. # endif
  286. #endif
  287. #ifndef STDC_HEADERS /* no standard C headers! */
  288. #include <curl/stdcheaders.h>
  289. #endif
  290. #ifdef __POCC__
  291. # include <sys/types.h>
  292. # include <unistd.h>
  293. # define sys_nerr EILSEQ
  294. #endif
  295. /*
  296. * Salford-C kludge section (mostly borrowed from wxWidgets).
  297. */
  298. #ifdef __SALFORDC__
  299. #pragma suppress 353 /* Possible nested comments */
  300. #pragma suppress 593 /* Define not used */
  301. #pragma suppress 61 /* enum has no name */
  302. #pragma suppress 106 /* unnamed, unused parameter */
  303. #include <clib.h>
  304. #endif
  305. /*
  306. * Large file (>2Gb) support using WIN32 functions.
  307. */
  308. #ifdef USE_WIN32_LARGE_FILES
  309. # include <io.h>
  310. # include <sys/types.h>
  311. # include <sys/stat.h>
  312. # undef lseek
  313. # define lseek(fdes,offset,whence) _lseeki64(fdes, offset, whence)
  314. # undef fstat
  315. # define fstat(fdes,stp) _fstati64(fdes, stp)
  316. # undef stat
  317. # define stat(fname,stp) curlx_win32_stat(fname, stp)
  318. # define struct_stat struct _stati64
  319. # define LSEEK_ERROR (__int64)-1
  320. # define open curlx_win32_open
  321. # define fopen(fname,mode) curlx_win32_fopen(fname, mode)
  322. # define access(fname,mode) curlx_win32_access(fname, mode)
  323. int curlx_win32_open(const char *filename, int oflag, ...);
  324. int curlx_win32_stat(const char *path, struct_stat *buffer);
  325. FILE *curlx_win32_fopen(const char *filename, const char *mode);
  326. int curlx_win32_access(const char *path, int mode);
  327. #endif
  328. /*
  329. * Small file (<2Gb) support using WIN32 functions.
  330. */
  331. #ifdef USE_WIN32_SMALL_FILES
  332. # include <io.h>
  333. # include <sys/types.h>
  334. # include <sys/stat.h>
  335. # ifndef _WIN32_WCE
  336. # undef lseek
  337. # define lseek(fdes,offset,whence) _lseek(fdes, (long)offset, whence)
  338. # define fstat(fdes,stp) _fstat(fdes, stp)
  339. # define stat(fname,stp) curlx_win32_stat(fname, stp)
  340. # define struct_stat struct _stat
  341. # define open curlx_win32_open
  342. # define fopen(fname,mode) curlx_win32_fopen(fname, mode)
  343. # define access(fname,mode) curlx_win32_access(fname, mode)
  344. int curlx_win32_stat(const char *path, struct_stat *buffer);
  345. int curlx_win32_open(const char *filename, int oflag, ...);
  346. FILE *curlx_win32_fopen(const char *filename, const char *mode);
  347. int curlx_win32_access(const char *path, int mode);
  348. # endif
  349. # define LSEEK_ERROR (long)-1
  350. #endif
  351. #ifndef struct_stat
  352. # define struct_stat struct stat
  353. #endif
  354. #ifndef LSEEK_ERROR
  355. # define LSEEK_ERROR (off_t)-1
  356. #endif
  357. #ifndef SIZEOF_TIME_T
  358. /* assume default size of time_t to be 32 bit */
  359. #define SIZEOF_TIME_T 4
  360. #endif
  361. /*
  362. * Default sizeof(off_t) in case it hasn't been defined in config file.
  363. */
  364. #ifndef SIZEOF_OFF_T
  365. # if defined(__VMS) && !defined(__VAX)
  366. # if defined(_LARGEFILE)
  367. # define SIZEOF_OFF_T 8
  368. # endif
  369. # elif defined(__OS400__) && defined(__ILEC400__)
  370. # if defined(_LARGE_FILES)
  371. # define SIZEOF_OFF_T 8
  372. # endif
  373. # elif defined(__MVS__) && defined(__IBMC__)
  374. # if defined(_LP64) || defined(_LARGE_FILES)
  375. # define SIZEOF_OFF_T 8
  376. # endif
  377. # elif defined(__370__) && defined(__IBMC__)
  378. # if defined(_LP64) || defined(_LARGE_FILES)
  379. # define SIZEOF_OFF_T 8
  380. # endif
  381. # endif
  382. # ifndef SIZEOF_OFF_T
  383. # define SIZEOF_OFF_T 4
  384. # endif
  385. #endif
  386. #if (SIZEOF_CURL_OFF_T == 4)
  387. # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
  388. #else
  389. /* assume SIZEOF_CURL_OFF_T == 8 */
  390. # define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
  391. #endif
  392. #define CURL_OFF_T_MIN (-CURL_OFF_T_MAX - CURL_OFF_T_C(1))
  393. #if (SIZEOF_TIME_T == 4)
  394. # ifdef HAVE_TIME_T_UNSIGNED
  395. # define TIME_T_MAX UINT_MAX
  396. # define TIME_T_MIN 0
  397. # else
  398. # define TIME_T_MAX INT_MAX
  399. # define TIME_T_MIN INT_MIN
  400. # endif
  401. #else
  402. # ifdef HAVE_TIME_T_UNSIGNED
  403. # define TIME_T_MAX 0xFFFFFFFFFFFFFFFF
  404. # define TIME_T_MIN 0
  405. # else
  406. # define TIME_T_MAX 0x7FFFFFFFFFFFFFFF
  407. # define TIME_T_MIN (-TIME_T_MAX - 1)
  408. # endif
  409. #endif
  410. #ifndef SIZE_T_MAX
  411. /* some limits.h headers have this defined, some don't */
  412. #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
  413. #define SIZE_T_MAX 18446744073709551615U
  414. #else
  415. #define SIZE_T_MAX 4294967295U
  416. #endif
  417. #endif
  418. #ifndef SSIZE_T_MAX
  419. /* some limits.h headers have this defined, some don't */
  420. #if defined(SIZEOF_SIZE_T) && (SIZEOF_SIZE_T > 4)
  421. #define SSIZE_T_MAX 9223372036854775807
  422. #else
  423. #define SSIZE_T_MAX 2147483647
  424. #endif
  425. #endif
  426. /*
  427. * Arg 2 type for gethostname in case it hasn't been defined in config file.
  428. */
  429. #ifndef GETHOSTNAME_TYPE_ARG2
  430. # ifdef USE_WINSOCK
  431. # define GETHOSTNAME_TYPE_ARG2 int
  432. # else
  433. # define GETHOSTNAME_TYPE_ARG2 size_t
  434. # endif
  435. #endif
  436. /* Below we define some functions. They should
  437. 4. set the SIGALRM signal timeout
  438. 5. set dir/file naming defines
  439. */
  440. #ifdef WIN32
  441. # define DIR_CHAR "\\"
  442. #else /* WIN32 */
  443. # ifdef MSDOS /* Watt-32 */
  444. # include <sys/ioctl.h>
  445. # define select(n,r,w,x,t) select_s(n,r,w,x,t)
  446. # define ioctl(x,y,z) ioctlsocket(x,y,(char *)(z))
  447. # include <tcp.h>
  448. # ifdef word
  449. # undef word
  450. # endif
  451. # ifdef byte
  452. # undef byte
  453. # endif
  454. # endif /* MSDOS */
  455. # ifdef __minix
  456. /* Minix 3 versions up to at least 3.1.3 are missing these prototypes */
  457. extern char *strtok_r(char *s, const char *delim, char **last);
  458. extern struct tm *gmtime_r(const time_t * const timep, struct tm *tmp);
  459. # endif
  460. # define DIR_CHAR "/"
  461. # ifndef fileno /* sunos 4 have this as a macro! */
  462. int fileno(FILE *stream);
  463. # endif
  464. #endif /* WIN32 */
  465. /*
  466. * msvc 6.0 requires PSDK in order to have INET6_ADDRSTRLEN
  467. * defined in ws2tcpip.h as well as to provide IPv6 support.
  468. * Does not apply if lwIP is used.
  469. */
  470. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(USE_LWIPSOCK)
  471. # if !defined(HAVE_WS2TCPIP_H) || \
  472. ((_MSC_VER < 1300) && !defined(INET6_ADDRSTRLEN))
  473. # undef HAVE_GETADDRINFO_THREADSAFE
  474. # undef HAVE_FREEADDRINFO
  475. # undef HAVE_GETADDRINFO
  476. # undef ENABLE_IPV6
  477. # endif
  478. #endif
  479. /* ---------------------------------------------------------------- */
  480. /* resolver specialty compile-time defines */
  481. /* CURLRES_* defines to use in the host*.c sources */
  482. /* ---------------------------------------------------------------- */
  483. /*
  484. * lcc-win32 doesn't have _beginthreadex(), lacks threads support.
  485. */
  486. #if defined(__LCC__) && defined(WIN32)
  487. # undef USE_THREADS_POSIX
  488. # undef USE_THREADS_WIN32
  489. #endif
  490. /*
  491. * MSVC threads support requires a multi-threaded runtime library.
  492. * _beginthreadex() is not available in single-threaded ones.
  493. */
  494. #if defined(_MSC_VER) && !defined(__POCC__) && !defined(_MT)
  495. # undef USE_THREADS_POSIX
  496. # undef USE_THREADS_WIN32
  497. #endif
  498. /*
  499. * Mutually exclusive CURLRES_* definitions.
  500. */
  501. #if defined(ENABLE_IPV6) && defined(HAVE_GETADDRINFO)
  502. # define CURLRES_IPV6
  503. #else
  504. # define CURLRES_IPV4
  505. #endif
  506. #ifdef USE_ARES
  507. # define CURLRES_ASYNCH
  508. # define CURLRES_ARES
  509. /* now undef the stock libc functions just to avoid them being used */
  510. # undef HAVE_GETADDRINFO
  511. # undef HAVE_FREEADDRINFO
  512. #elif defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
  513. # define CURLRES_ASYNCH
  514. # define CURLRES_THREADED
  515. #else
  516. # define CURLRES_SYNCH
  517. #endif
  518. /* ---------------------------------------------------------------- */
  519. /*
  520. * msvc 6.0 does not have struct sockaddr_storage and
  521. * does not define IPPROTO_ESP in winsock2.h. But both
  522. * are available if PSDK is properly installed.
  523. */
  524. #if defined(_MSC_VER) && !defined(__POCC__)
  525. # if !defined(HAVE_WINSOCK2_H) || ((_MSC_VER < 1300) && !defined(IPPROTO_ESP))
  526. # undef HAVE_STRUCT_SOCKADDR_STORAGE
  527. # endif
  528. #endif
  529. /*
  530. * Intentionally fail to build when using msvc 6.0 without PSDK installed.
  531. * The brave of heart can circumvent this, defining ALLOW_MSVC6_WITHOUT_PSDK
  532. * in lib/config-win32.h although absolutely discouraged and unsupported.
  533. */
  534. #if defined(_MSC_VER) && !defined(__POCC__)
  535. # if !defined(HAVE_WINDOWS_H) || ((_MSC_VER < 1300) && !defined(_FILETIME_))
  536. # if !defined(ALLOW_MSVC6_WITHOUT_PSDK)
  537. # error MSVC 6.0 requires "February 2003 Platform SDK" a.k.a. \
  538. "Windows Server 2003 PSDK"
  539. # else
  540. # define CURL_DISABLE_LDAP 1
  541. # endif
  542. # endif
  543. #endif
  544. #if defined(HAVE_LIBIDN2) && defined(HAVE_IDN2_H) && !defined(USE_WIN32_IDN)
  545. /* The lib and header are present */
  546. #define USE_LIBIDN2
  547. #endif
  548. #if defined(USE_LIBIDN2) && defined(USE_WIN32_IDN)
  549. #error "Both libidn2 and WinIDN are enabled, choose one."
  550. #endif
  551. #define LIBIDN_REQUIRED_VERSION "0.4.1"
  552. #if defined(USE_GNUTLS) || defined(USE_OPENSSL) || defined(USE_NSS) || \
  553. defined(USE_MBEDTLS) || \
  554. defined(USE_WOLFSSL) || defined(USE_SCHANNEL) || \
  555. defined(USE_SECTRANSP) || defined(USE_GSKIT) || \
  556. defined(USE_BEARSSL) || defined(USE_RUSTLS)
  557. #define USE_SSL /* SSL support has been enabled */
  558. #endif
  559. /* Single point where USE_SPNEGO definition might be defined */
  560. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  561. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  562. #define USE_SPNEGO
  563. #endif
  564. /* Single point where USE_KERBEROS5 definition might be defined */
  565. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && \
  566. (defined(HAVE_GSSAPI) || defined(USE_WINDOWS_SSPI))
  567. #define USE_KERBEROS5
  568. #endif
  569. /* Single point where USE_NTLM definition might be defined */
  570. #if !defined(CURL_DISABLE_CRYPTO_AUTH) && !defined(CURL_DISABLE_NTLM)
  571. # if defined(USE_OPENSSL) || defined(USE_MBEDTLS) || \
  572. defined(USE_GNUTLS) || defined(USE_NSS) || defined(USE_SECTRANSP) || \
  573. defined(USE_OS400CRYPTO) || defined(USE_WIN32_CRYPTO) || \
  574. (defined(USE_WOLFSSL) && defined(HAVE_WOLFSSL_DES_ECB_ENCRYPT))
  575. # define USE_CURL_NTLM_CORE
  576. # endif
  577. # if defined(USE_CURL_NTLM_CORE) || defined(USE_WINDOWS_SSPI)
  578. # define USE_NTLM
  579. # endif
  580. #endif
  581. #ifdef CURL_WANTS_CA_BUNDLE_ENV
  582. #error "No longer supported. Set CURLOPT_CAINFO at runtime instead."
  583. #endif
  584. #if defined(USE_LIBSSH2) || defined(USE_LIBSSH) || defined(USE_WOLFSSH)
  585. #define USE_SSH
  586. #endif
  587. /*
  588. * Provide a mechanism to silence picky compilers, such as gcc 4.6+.
  589. * Parameters should of course normally not be unused, but for example when
  590. * we have multiple implementations of the same interface it may happen.
  591. */
  592. #if defined(__GNUC__) && ((__GNUC__ >= 3) || \
  593. ((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 7)))
  594. # define UNUSED_PARAM __attribute__((__unused__))
  595. # define WARN_UNUSED_RESULT __attribute__((warn_unused_result))
  596. #else
  597. # define UNUSED_PARAM /* NOTHING */
  598. # define WARN_UNUSED_RESULT
  599. #endif
  600. /*
  601. * Include macros and defines that should only be processed once.
  602. */
  603. #ifndef HEADER_CURL_SETUP_ONCE_H
  604. #include "curl_setup_once.h"
  605. #endif
  606. /*
  607. * Definition of our NOP statement Object-like macro
  608. */
  609. #ifndef Curl_nop_stmt
  610. # define Curl_nop_stmt do { } while(0)
  611. #endif
  612. /*
  613. * Ensure that Winsock and lwIP TCP/IP stacks are not mixed.
  614. */
  615. #if defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H)
  616. # if defined(SOCKET) || \
  617. defined(USE_WINSOCK) || \
  618. defined(HAVE_WINSOCK2_H) || \
  619. defined(HAVE_WS2TCPIP_H)
  620. # error "WinSock and lwIP TCP/IP stack definitions shall not coexist!"
  621. # endif
  622. #endif
  623. /*
  624. * shutdown() flags for systems that don't define them
  625. */
  626. #ifndef SHUT_RD
  627. #define SHUT_RD 0x00
  628. #endif
  629. #ifndef SHUT_WR
  630. #define SHUT_WR 0x01
  631. #endif
  632. #ifndef SHUT_RDWR
  633. #define SHUT_RDWR 0x02
  634. #endif
  635. /* Define S_ISREG if not defined by system headers, e.g. MSVC */
  636. #if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
  637. #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
  638. #endif
  639. /* Define S_ISDIR if not defined by system headers, e.g. MSVC */
  640. #if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
  641. #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  642. #endif
  643. /* In Windows the default file mode is text but an application can override it.
  644. Therefore we specify it explicitly. https://github.com/curl/curl/pull/258
  645. */
  646. #if defined(WIN32) || defined(MSDOS)
  647. #define FOPEN_READTEXT "rt"
  648. #define FOPEN_WRITETEXT "wt"
  649. #define FOPEN_APPENDTEXT "at"
  650. #elif defined(__CYGWIN__)
  651. /* Cygwin has specific behavior we need to address when WIN32 is not defined.
  652. https://cygwin.com/cygwin-ug-net/using-textbinary.html
  653. For write we want our output to have line endings of LF and be compatible with
  654. other Cygwin utilities. For read we want to handle input that may have line
  655. endings either CRLF or LF so 't' is appropriate.
  656. */
  657. #define FOPEN_READTEXT "rt"
  658. #define FOPEN_WRITETEXT "w"
  659. #define FOPEN_APPENDTEXT "a"
  660. #else
  661. #define FOPEN_READTEXT "r"
  662. #define FOPEN_WRITETEXT "w"
  663. #define FOPEN_APPENDTEXT "a"
  664. #endif
  665. /* WinSock destroys recv() buffer when send() failed.
  666. * Enabled automatically for Windows and for Cygwin as Cygwin sockets are
  667. * wrappers for WinSock sockets. https://github.com/curl/curl/issues/657
  668. * Define DONT_USE_RECV_BEFORE_SEND_WORKAROUND to force disable workaround.
  669. */
  670. #if !defined(DONT_USE_RECV_BEFORE_SEND_WORKAROUND)
  671. # if defined(WIN32) || defined(__CYGWIN__)
  672. # define USE_RECV_BEFORE_SEND_WORKAROUND
  673. # endif
  674. #else /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
  675. # ifdef USE_RECV_BEFORE_SEND_WORKAROUND
  676. # undef USE_RECV_BEFORE_SEND_WORKAROUND
  677. # endif
  678. #endif /* DONT_USE_RECV_BEFORE_SEND_WORKAROUND */
  679. /* for systems that don't detect this in configure */
  680. #ifndef CURL_SA_FAMILY_T
  681. # if defined(HAVE_SA_FAMILY_T)
  682. # define CURL_SA_FAMILY_T sa_family_t
  683. # elif defined(HAVE_ADDRESS_FAMILY)
  684. # define CURL_SA_FAMILY_T ADDRESS_FAMILY
  685. # else
  686. /* use a sensible default */
  687. # define CURL_SA_FAMILY_T unsigned short
  688. # endif
  689. #endif
  690. /* Some convenience macros to get the larger/smaller value out of two given.
  691. We prefix with CURL to prevent name collisions. */
  692. #define CURLMAX(x,y) ((x)>(y)?(x):(y))
  693. #define CURLMIN(x,y) ((x)<(y)?(x):(y))
  694. /* A convenience macro to provide both the string literal and the length of
  695. the string literal in one go, useful for functions that take "string,len"
  696. as their argument */
  697. #define STRCONST(x) x,sizeof(x)-1
  698. /* Some versions of the Android SDK is missing the declaration */
  699. #if defined(HAVE_GETPWUID_R) && defined(HAVE_DECL_GETPWUID_R_MISSING)
  700. struct passwd;
  701. int getpwuid_r(uid_t uid, struct passwd *pwd, char *buf,
  702. size_t buflen, struct passwd **result);
  703. #endif
  704. #ifdef DEBUGBUILD
  705. #define UNITTEST
  706. #else
  707. #define UNITTEST static
  708. #endif
  709. #if defined(USE_NGHTTP2) || defined(USE_HYPER)
  710. #define USE_HTTP2
  711. #endif
  712. #if defined(USE_NGTCP2) || defined(USE_QUICHE) || defined(USE_MSH3)
  713. #define ENABLE_QUIC
  714. #define USE_HTTP3
  715. #endif
  716. #if defined(USE_UNIX_SOCKETS) && defined(WIN32)
  717. # if defined(__MINGW32__) && !defined(LUP_SECURE)
  718. typedef u_short ADDRESS_FAMILY; /* Classic mingw, 11y+ old mingw-w64 */
  719. # endif
  720. # if !defined(UNIX_PATH_MAX)
  721. /* Replicating logic present in afunix.h
  722. (distributed with newer Windows 10 SDK versions only) */
  723. # define UNIX_PATH_MAX 108
  724. /* !checksrc! disable TYPEDEFSTRUCT 1 */
  725. typedef struct sockaddr_un {
  726. ADDRESS_FAMILY sun_family;
  727. char sun_path[UNIX_PATH_MAX];
  728. } SOCKADDR_UN, *PSOCKADDR_UN;
  729. # define WIN32_SOCKADDR_UN
  730. # endif
  731. #endif
  732. #endif /* HEADER_CURL_SETUP_H */