diff options
Diffstat (limited to 'openssl/crypto/mem_dbg.c')
| -rw-r--r-- | openssl/crypto/mem_dbg.c | 1230 |
1 files changed, 593 insertions, 637 deletions
diff --git a/openssl/crypto/mem_dbg.c b/openssl/crypto/mem_dbg.c index ac793397f..8525ded78 100644 --- a/openssl/crypto/mem_dbg.c +++ b/openssl/crypto/mem_dbg.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -63,7 +63,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -111,764 +111,720 @@ #include <stdio.h> #include <stdlib.h> -#include <time.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 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 */ - +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') +/*- + * 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; +{ + 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 */ +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 */ +{ + 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 | + V_CRYPTO_MDEBUG_TIME | #endif #if defined(CRYPTO_MDEBUG_THREAD) || defined(CRYPTO_MDEBUG_ALL) - V_CRYPTO_MDEBUG_THREAD | + V_CRYPTO_MDEBUG_THREAD | #endif - 0; - + 0; -static unsigned int num_disable = 0; /* num_disable > 0 - * iff - * mh_mode == CRYPTO_MEM_CHECK_ON (w/o ..._ENABLE) - */ +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 +/* + * 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); - } - } +{ + 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); - if (!num_disable || CRYPTO_THREADID_cmp(&disabling_threadid, &cur)) /* otherwise we already have the MALLOC2 lock */ - { - /* 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 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; +{ + int ret = 0; - if (mh_mode & CRYPTO_MEM_CHECK_ON) - { - CRYPTO_THREADID cur; - CRYPTO_THREADID_current(&cur); - CRYPTO_r_lock(CRYPTO_LOCK_MALLOC); + 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); - } + 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; - } +{ + options = bits; +} long CRYPTO_dbg_get_options(void) - { - return options; - } +{ + 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; + 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; + 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; +{ + unsigned long ret; - ret=(unsigned long)a->addr; + ret = (unsigned long)a->addr; + + ret = ret * 17851 + (ret >> 14) * 7 + (ret >> 4) * 251; + return (ret); +} - 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); - } +{ + 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); - } +{ + 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); - } +{ + 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(); - } + 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); - } + 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) - { +{ + 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(); - } + 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; - } + ami->next = amim; + } err: - MemCheck_on(); /* release MALLOC2 lock */ - } + MemCheck_on(); /* release MALLOC2 lock */ + } - return(ret); - } + return (ret); +} int CRYPTO_pop_info(void) - { - int ret=0; +{ + int ret = 0; - if (is_MemCheck_on()) /* _must_ be true, or something went severely wrong */ - { - MemCheck_off(); /* obtain MALLOC2 lock */ + if (is_MemCheck_on()) { /* _must_ be true, or something went severely + * wrong */ + MemCheck_off(); /* obtain MALLOC2 lock */ - ret=(pop_info() != NULL); + ret = (pop_info() != NULL); - MemCheck_on(); /* release MALLOC2 lock */ - } - return(ret); - } + MemCheck_on(); /* release MALLOC2 lock */ + } + return (ret); +} int CRYPTO_remove_all_info(void) - { - int ret=0; +{ + int ret = 0; - if (is_MemCheck_on()) /* _must_ be true */ - { - MemCheck_off(); /* obtain MALLOC2 lock */ + if (is_MemCheck_on()) { /* _must_ be true */ + MemCheck_off(); /* obtain MALLOC2 lock */ - while(pop_info() != NULL) - ret++; + while (pop_info() != NULL) + ret++; - MemCheck_on(); /* release MALLOC2 lock */ - } - return(ret); - } + MemCheck_on(); /* release MALLOC2 lock */ + } + return (ret); +} - -static unsigned long break_order_num=0; +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++; + 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); + 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; - } + 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) - { +{ + 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); + 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; - } - } + 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; + 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); + 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) - { + 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); + 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; + 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; +{ + 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)); + 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(); - } + 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); +{ + 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(); + 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 */ - } + } 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); - } +{ + 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 + */ - -/* 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 +/* + * 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); - } +{ + (*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); - } +{ + 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); +} |