diff options
Diffstat (limited to 'thirdparty/openssl/crypto/mem_dbg.c')
| -rw-r--r-- | thirdparty/openssl/crypto/mem_dbg.c | 830 |
1 files changed, 0 insertions, 830 deletions
diff --git a/thirdparty/openssl/crypto/mem_dbg.c b/thirdparty/openssl/crypto/mem_dbg.c deleted file mode 100644 index 8525ded78c..0000000000 --- a/thirdparty/openssl/crypto/mem_dbg.c +++ /dev/null @@ -1,830 +0,0 @@ -/* crypto/mem_dbg.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -/* ==================================================================== - * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <time.h> -#include "cryptlib.h" -#include <openssl/crypto.h> -#include <openssl/buffer.h> -#include <openssl/bio.h> -#include <openssl/lhash.h> - -static int mh_mode = CRYPTO_MEM_CHECK_OFF; -/* - * The state changes to CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE when - * the application asks for it (usually after library initialisation for - * which no book-keeping is desired). State CRYPTO_MEM_CHECK_ON exists only - * temporarily when the library thinks that certain allocations should not be - * checked (e.g. the data structures used for memory checking). It is not - * suitable as an initial state: the library will unexpectedly enable memory - * checking when it executes one of those sections that want to disable - * checking temporarily. State CRYPTO_MEM_CHECK_ENABLE without ..._ON makes - * no sense whatsoever. - */ - -static unsigned long order = 0; /* number of memory requests */ - -DECLARE_LHASH_OF(MEM); -static LHASH_OF(MEM) *mh = NULL; /* hash-table of memory requests (address as - * key); access requires MALLOC2 lock */ - -typedef struct app_mem_info_st -/*- - * For application-defined information (static C-string `info') - * to be displayed in memory leak list. - * Each thread has its own stack. For applications, there is - * CRYPTO_push_info("...") to push an entry, - * CRYPTO_pop_info() to pop an entry, - * CRYPTO_remove_all_info() to pop all entries. - */ -{ - CRYPTO_THREADID threadid; - const char *file; - int line; - const char *info; - struct app_mem_info_st *next; /* tail of thread's stack */ - int references; -} APP_INFO; - -static void app_info_free(APP_INFO *); - -DECLARE_LHASH_OF(APP_INFO); -static LHASH_OF(APP_INFO) *amih = NULL; /* hash-table with those - * app_mem_info_st's that are at the - * top of their thread's stack (with - * `thread' as key); access requires - * MALLOC2 lock */ - -typedef struct mem_st -/* memory-block description */ -{ - void *addr; - int num; - const char *file; - int line; - CRYPTO_THREADID threadid; - unsigned long order; - time_t time; - APP_INFO *app_info; -} MEM; - -static long options = /* extra information to be recorded */ -#if defined(CRYPTO_MDEBUG_TIME) || defined(CRYPTO_MDEBUG_ALL) - V_CRYPTO_MDEBUG_TIME | -#endif -#if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL) - V_CRYPTO_MDEBUG_THREAD | -#endif - 0; - -static unsigned int num_disable = 0; /* num_disable > 0 iff mh_mode == - * CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) */ - -/* - * Valid iff num_disable > 0. CRYPTO_LOCK_MALLOC2 is locked exactly in this - * case (by the thread named in disabling_thread). - */ -static CRYPTO_THREADID disabling_threadid; - -static void app_info_free(APP_INFO *inf) -{ - if (--(inf->references) <= 0) { - if (inf->next != NULL) { - app_info_free(inf->next); - } - OPENSSL_free(inf); - } -} - -int CRYPTO_mem_ctrl(int mode) -{ - int ret = mh_mode; - - CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); - switch (mode) { - /* - * for applications (not to be called while multiple threads use the - * library): - */ - case CRYPTO_MEM_CHECK_ON: /* aka MemCheck_start() */ - mh_mode = CRYPTO_MEM_CHECK_ON | CRYPTO_MEM_CHECK_ENABLE; - num_disable = 0; - break; - case CRYPTO_MEM_CHECK_OFF: /* aka MemCheck_stop() */ - mh_mode = 0; - num_disable = 0; /* should be true *before* MemCheck_stop is - * used, or there'll be a lot of confusion */ - break; - - /* switch off temporarily (for library-internal use): */ - case CRYPTO_MEM_CHECK_DISABLE: /* aka MemCheck_off() */ - if (mh_mode & CRYPTO_MEM_CHECK_ON) { - CRYPTO_THREADID cur; - CRYPTO_THREADID_current(&cur); - /* see if we don't have the MALLOC2 lock already */ - if (!num_disable - || CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) { - /* - * Long-time lock CRYPTO_LOCK_MALLOC2 must not be claimed - * while we're holding CRYPTO_LOCK_MALLOC, or we'll deadlock - * if somebody else holds CRYPTO_LOCK_MALLOC2 (and cannot - * release it because we block entry to this function). Give - * them a chance, first, and then claim the locks in - * appropriate order (long-time lock first). - */ - CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); - /* - * Note that after we have waited for CRYPTO_LOCK_MALLOC2 and - * CRYPTO_LOCK_MALLOC, we'll still be in the right "case" and - * "if" branch because MemCheck_start and MemCheck_stop may - * never be used while there are multiple OpenSSL threads. - */ - CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); - CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); - mh_mode &= ~CRYPTO_MEM_CHECK_ENABLE; - CRYPTO_THREADID_cpy(&disabling_threadid, &cur); - } - num_disable++; - } - break; - case CRYPTO_MEM_CHECK_ENABLE: /* aka MemCheck_on() */ - if (mh_mode & CRYPTO_MEM_CHECK_ON) { - if (num_disable) { /* always true, or something is going wrong */ - num_disable--; - if (num_disable == 0) { - mh_mode |= CRYPTO_MEM_CHECK_ENABLE; - CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2); - } - } - } - break; - - default: - break; - } - CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); - return (ret); -} - -int CRYPTO_is_mem_check_on(void) -{ - int ret = 0; - - if (mh_mode & CRYPTO_MEM_CHECK_ON) { - CRYPTO_THREADID cur; - CRYPTO_THREADID_current(&cur); - CRYPTO_r_lock(CRYPTO_LOCK_MALLOC); - - ret = (mh_mode & CRYPTO_MEM_CHECK_ENABLE) - || CRYPTO_THREADID_cmp(&disabling_threadid, &cur); - - CRYPTO_r_unlock(CRYPTO_LOCK_MALLOC); - } - return (ret); -} - -void CRYPTO_dbg_set_options(long bits) -{ - options = bits; -} - -long CRYPTO_dbg_get_options(void) -{ - return options; -} - -static int mem_cmp(const MEM *a, const MEM *b) -{ -#ifdef _WIN64 - const char *ap = (const char *)a->addr, *bp = (const char *)b->addr; - if (ap == bp) - return 0; - else if (ap > bp) - return 1; - else - return -1; -#else - return (const char *)a->addr - (const char *)b->addr; -#endif -} - -static IMPLEMENT_LHASH_COMP_FN(mem, MEM) - -static unsigned long mem_hash(const MEM *a) -{ - unsigned long ret; - - ret = (unsigned long)a->addr; - - ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251; - return (ret); -} - -static IMPLEMENT_LHASH_HASH_FN(mem, MEM) - -/* static int app_info_cmp(APP_INFO *a, APP_INFO *b) */ -static int app_info_cmp(const void *a_void, const void *b_void) -{ - return CRYPTO_THREADID_cmp(&((const APP_INFO *)a_void)->threadid, - &((const APP_INFO *)b_void)->threadid); -} - -static IMPLEMENT_LHASH_COMP_FN(app_info, APP_INFO) - -static unsigned long app_info_hash(const APP_INFO *a) -{ - unsigned long ret; - - ret = CRYPTO_THREADID_hash(&a->threadid); - /* This is left in as a "who am I to question legacy?" measure */ - ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251; - return (ret); -} - -static IMPLEMENT_LHASH_HASH_FN(app_info, APP_INFO) - -static APP_INFO *pop_info(void) -{ - APP_INFO tmp; - APP_INFO *ret = NULL; - - if (amih != NULL) { - CRYPTO_THREADID_current(&tmp.threadid); - if ((ret = lh_APP_INFO_delete(amih, &tmp)) != NULL) { - APP_INFO *next = ret->next; - - if (next != NULL) { - next->references++; - (void)lh_APP_INFO_insert(amih, next); - } -#ifdef LEVITTE_DEBUG_MEM - if (CRYPTO_THREADID_cmp(&ret->threadid, &tmp.threadid)) { - fprintf(stderr, - "pop_info(): deleted info has other thread ID (%lu) than the current thread (%lu)!!!!\n", - CRYPTO_THREADID_hash(&ret->threadid), - CRYPTO_THREADID_hash(&tmp.threadid)); - abort(); - } -#endif - if (--(ret->references) <= 0) { - ret->next = NULL; - if (next != NULL) - next->references--; - OPENSSL_free(ret); - } - } - } - return (ret); -} - -int CRYPTO_push_info_(const char *info, const char *file, int line) -{ - APP_INFO *ami, *amim; - int ret = 0; - - if (is_MemCheck_on()) { - MemCheck_off(); /* obtain MALLOC2 lock */ - - if ((ami = (APP_INFO *)OPENSSL_malloc(sizeof(APP_INFO))) == NULL) { - ret = 0; - goto err; - } - if (amih == NULL) { - if ((amih = lh_APP_INFO_new()) == NULL) { - OPENSSL_free(ami); - ret = 0; - goto err; - } - } - - CRYPTO_THREADID_current(&ami->threadid); - ami->file = file; - ami->line = line; - ami->info = info; - ami->references = 1; - ami->next = NULL; - - if ((amim = lh_APP_INFO_insert(amih, ami)) != NULL) { -#ifdef LEVITTE_DEBUG_MEM - if (CRYPTO_THREADID_cmp(&ami->threadid, &amim->threadid)) { - fprintf(stderr, - "CRYPTO_push_info(): previous info has other thread ID (%lu) than the current thread (%lu)!!!!\n", - CRYPTO_THREADID_hash(&amim->threadid), - CRYPTO_THREADID_hash(&ami->threadid)); - abort(); - } -#endif - ami->next = amim; - } - err: - MemCheck_on(); /* release MALLOC2 lock */ - } - - return (ret); -} - -int CRYPTO_pop_info(void) -{ - int ret = 0; - - if (is_MemCheck_on()) { /* _must_ be true, or something went severely - * wrong */ - MemCheck_off(); /* obtain MALLOC2 lock */ - - ret = (pop_info() != NULL); - - MemCheck_on(); /* release MALLOC2 lock */ - } - return (ret); -} - -int CRYPTO_remove_all_info(void) -{ - int ret = 0; - - if (is_MemCheck_on()) { /* _must_ be true */ - MemCheck_off(); /* obtain MALLOC2 lock */ - - while (pop_info() != NULL) - ret++; - - MemCheck_on(); /* release MALLOC2 lock */ - } - return (ret); -} - -static unsigned long break_order_num = 0; -void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line, - int before_p) -{ - MEM *m, *mm; - APP_INFO tmp, *amim; - - switch (before_p & 127) { - case 0: - break; - case 1: - if (addr == NULL) - break; - - if (is_MemCheck_on()) { - MemCheck_off(); /* make sure we hold MALLOC2 lock */ - if ((m = (MEM *)OPENSSL_malloc(sizeof(MEM))) == NULL) { - OPENSSL_free(addr); - MemCheck_on(); /* release MALLOC2 lock if num_disabled drops - * to 0 */ - return; - } - if (mh == NULL) { - if ((mh = lh_MEM_new()) == NULL) { - OPENSSL_free(addr); - OPENSSL_free(m); - addr = NULL; - goto err; - } - } - - m->addr = addr; - m->file = file; - m->line = line; - m->num = num; - if (options & V_CRYPTO_MDEBUG_THREAD) - CRYPTO_THREADID_current(&m->threadid); - else - memset(&m->threadid, 0, sizeof(m->threadid)); - - if (order == break_order_num) { - /* BREAK HERE */ - m->order = order; - } - m->order = order++; -#ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] %c 0x%p (%d)\n", - m->order, (before_p & 128) ? '*' : '+', m->addr, m->num); -#endif - if (options & V_CRYPTO_MDEBUG_TIME) - m->time = time(NULL); - else - m->time = 0; - - CRYPTO_THREADID_current(&tmp.threadid); - m->app_info = NULL; - if (amih != NULL - && (amim = lh_APP_INFO_retrieve(amih, &tmp)) != NULL) { - m->app_info = amim; - amim->references++; - } - - if ((mm = lh_MEM_insert(mh, m)) != NULL) { - /* Not good, but don't sweat it */ - if (mm->app_info != NULL) { - mm->app_info->references--; - } - OPENSSL_free(mm); - } - err: - MemCheck_on(); /* release MALLOC2 lock if num_disabled drops - * to 0 */ - } - break; - } - return; -} - -void CRYPTO_dbg_free(void *addr, int before_p) -{ - MEM m, *mp; - - switch (before_p) { - case 0: - if (addr == NULL) - break; - - if (is_MemCheck_on() && (mh != NULL)) { - MemCheck_off(); /* make sure we hold MALLOC2 lock */ - - m.addr = addr; - mp = lh_MEM_delete(mh, &m); - if (mp != NULL) { -#ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, "LEVITTE_DEBUG_MEM: [%5ld] - 0x%p (%d)\n", - mp->order, mp->addr, mp->num); -#endif - if (mp->app_info != NULL) - app_info_free(mp->app_info); - OPENSSL_free(mp); - } - - MemCheck_on(); /* release MALLOC2 lock if num_disabled drops - * to 0 */ - } - break; - case 1: - break; - } -} - -void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, - const char *file, int line, int before_p) -{ - MEM m, *mp; - -#ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, - "LEVITTE_DEBUG_MEM: --> CRYPTO_dbg_malloc(addr1 = %p, addr2 = %p, num = %d, file = \"%s\", line = %d, before_p = %d)\n", - addr1, addr2, num, file, line, before_p); -#endif - - switch (before_p) { - case 0: - break; - case 1: - if (addr2 == NULL) - break; - - if (addr1 == NULL) { - CRYPTO_dbg_malloc(addr2, num, file, line, 128 | before_p); - break; - } - - if (is_MemCheck_on()) { - MemCheck_off(); /* make sure we hold MALLOC2 lock */ - - m.addr = addr1; - mp = lh_MEM_delete(mh, &m); - if (mp != NULL) { -#ifdef LEVITTE_DEBUG_MEM - fprintf(stderr, - "LEVITTE_DEBUG_MEM: [%5ld] * 0x%p (%d) -> 0x%p (%d)\n", - mp->order, mp->addr, mp->num, addr2, num); -#endif - mp->addr = addr2; - mp->num = num; - (void)lh_MEM_insert(mh, mp); - } - - MemCheck_on(); /* release MALLOC2 lock if num_disabled drops - * to 0 */ - } - break; - } - return; -} - -typedef struct mem_leak_st { - BIO *bio; - int chunks; - long bytes; -} MEM_LEAK; - -static void print_leak_doall_arg(const MEM *m, MEM_LEAK *l) -{ - char buf[1024]; - char *bufp = buf; - APP_INFO *amip; - int ami_cnt; - struct tm *lcl = NULL; - CRYPTO_THREADID ti; - -#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf)) - - if (m->addr == (char *)l->bio) - return; - - if (options & V_CRYPTO_MDEBUG_TIME) { - lcl = localtime(&m->time); - - BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ", - lcl->tm_hour, lcl->tm_min, lcl->tm_sec); - bufp += strlen(bufp); - } - - BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ", - m->order, m->file, m->line); - bufp += strlen(bufp); - - if (options & V_CRYPTO_MDEBUG_THREAD) { - BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", - CRYPTO_THREADID_hash(&m->threadid)); - bufp += strlen(bufp); - } - - BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\n", - m->num, (unsigned long)m->addr); - bufp += strlen(bufp); - - BIO_puts(l->bio, buf); - - l->chunks++; - l->bytes += m->num; - - amip = m->app_info; - ami_cnt = 0; - if (!amip) - return; - CRYPTO_THREADID_cpy(&ti, &amip->threadid); - - do { - int buf_len; - int info_len; - - ami_cnt++; - memset(buf, '>', ami_cnt); - BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt, - " thread=%lu, file=%s, line=%d, info=\"", - CRYPTO_THREADID_hash(&amip->threadid), amip->file, - amip->line); - buf_len = strlen(buf); - info_len = strlen(amip->info); - if (128 - buf_len - 3 < info_len) { - memcpy(buf + buf_len, amip->info, 128 - buf_len - 3); - buf_len = 128 - 3; - } else { - BUF_strlcpy(buf + buf_len, amip->info, sizeof buf - buf_len); - buf_len = strlen(buf); - } - BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n"); - - BIO_puts(l->bio, buf); - - amip = amip->next; - } - while (amip && !CRYPTO_THREADID_cmp(&amip->threadid, &ti)); - -#ifdef LEVITTE_DEBUG_MEM - if (amip) { - fprintf(stderr, "Thread switch detected in backtrace!!!!\n"); - abort(); - } -#endif -} - -static IMPLEMENT_LHASH_DOALL_ARG_FN(print_leak, const MEM, MEM_LEAK) - -void CRYPTO_mem_leaks(BIO *b) -{ - MEM_LEAK ml; - - if (mh == NULL && amih == NULL) - return; - - MemCheck_off(); /* obtain MALLOC2 lock */ - - ml.bio = b; - ml.bytes = 0; - ml.chunks = 0; - if (mh != NULL) - lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(print_leak), MEM_LEAK, &ml); - if (ml.chunks != 0) { - BIO_printf(b, "%ld bytes leaked in %d chunks\n", ml.bytes, ml.chunks); -#ifdef CRYPTO_MDEBUG_ABORT - abort(); -#endif - } else { - /* - * Make sure that, if we found no leaks, memory-leak debugging itself - * does not introduce memory leaks (which might irritate external - * debugging tools). (When someone enables leak checking, but does not - * call this function, we declare it to be their fault.) XXX This - * should be in CRYPTO_mem_leaks_cb, and CRYPTO_mem_leaks should be - * implemented by using CRYPTO_mem_leaks_cb. (Also there should be a - * variant of lh_doall_arg that takes a function pointer instead of a - * void *; this would obviate the ugly and illegal void_fn_to_char - * kludge in CRYPTO_mem_leaks_cb. Otherwise the code police will come - * and get us.) - */ - int old_mh_mode; - - CRYPTO_w_lock(CRYPTO_LOCK_MALLOC); - - /* - * avoid deadlock when lh_free() uses CRYPTO_dbg_free(), which uses - * CRYPTO_is_mem_check_on - */ - old_mh_mode = mh_mode; - mh_mode = CRYPTO_MEM_CHECK_OFF; - - if (mh != NULL) { - lh_MEM_free(mh); - mh = NULL; - } - if (amih != NULL) { - if (lh_APP_INFO_num_items(amih) == 0) { - lh_APP_INFO_free(amih); - amih = NULL; - } - } - - mh_mode = old_mh_mode; - CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC); - } - MemCheck_on(); /* release MALLOC2 lock */ -} - -#ifndef OPENSSL_NO_FP_API -void CRYPTO_mem_leaks_fp(FILE *fp) -{ - BIO *b; - - if (mh == NULL) - return; - /* - * Need to turn off memory checking when allocated BIOs ... especially as - * we're creating them at a time when we're trying to check we've not - * left anything un-free()'d!! - */ - MemCheck_off(); - b = BIO_new(BIO_s_file()); - MemCheck_on(); - if (!b) - return; - BIO_set_fp(b, fp, BIO_NOCLOSE); - CRYPTO_mem_leaks(b); - BIO_free(b); -} -#endif - -/* - * FIXME: We really don't allow much to the callback. For example, it has no - * chance of reaching the info stack for the item it processes. Should it - * really be this way? -- Richard Levitte - */ -/* - * NB: The prototypes have been typedef'd to CRYPTO_MEM_LEAK_CB inside - * crypto.h If this code is restructured, remove the callback type if it is - * no longer needed. -- Geoff Thorpe - */ - -/* - * Can't pass CRYPTO_MEM_LEAK_CB directly to lh_MEM_doall_arg because it is a - * function pointer and conversion to void * is prohibited. Instead pass its - * address - */ - -typedef CRYPTO_MEM_LEAK_CB *PCRYPTO_MEM_LEAK_CB; - -static void cb_leak_doall_arg(const MEM *m, PCRYPTO_MEM_LEAK_CB *cb) -{ - (*cb) (m->order, m->file, m->line, m->num, m->addr); -} - -static IMPLEMENT_LHASH_DOALL_ARG_FN(cb_leak, const MEM, PCRYPTO_MEM_LEAK_CB) - -void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb) -{ - if (mh == NULL) - return; - CRYPTO_w_lock(CRYPTO_LOCK_MALLOC2); - lh_MEM_doall_arg(mh, LHASH_DOALL_ARG_FN(cb_leak), PCRYPTO_MEM_LEAK_CB, - &cb); - CRYPTO_w_unlock(CRYPTO_LOCK_MALLOC2); -} |