Unity-Technologies
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curl
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tool: do not declare functions with Curl_ prefix 

To avoid collision risks with private libcurl symbols when linked with
static versions (or just versions not hiding internal symbols).

Reported-by: hydra3333 on github
Fixes #5219
Closes #5234
This commit is contained in:
Daniel Stenberg 2020-04-13 23:46:18 +02:00
Родитель 7fa1578471
Коммит 878214df44
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 5CC908FDB71E12C2
4 изменённых файлов: 41 добавлений и 47 удалений
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10
src/tool_doswin.c
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@ -697,8 +697,8 @@ cleanup:
return slist; return slist;
} }
LARGE_INTEGER Curl_freq; LARGE_INTEGER tool_freq;
bool Curl_isVistaOrGreater; bool tool_isVistaOrGreater;
CURLcode win32_init(void) CURLcode win32_init(void)
{ {
@ -713,13 +713,13 @@ CURLcode win32_init(void)
VER_SET_CONDITION(mask, VER_MINORVERSION, op); VER_SET_CONDITION(mask, VER_MINORVERSION, op);
if(VerifyVersionInfoA(&osvi, (VER_MAJORVERSION | VER_MINORVERSION), mask)) if(VerifyVersionInfoA(&osvi, (VER_MAJORVERSION | VER_MINORVERSION), mask))
Curl_isVistaOrGreater = true; tool_isVistaOrGreater = true;
else if(GetLastError() == ERROR_OLD_WIN_VERSION) else if(GetLastError() == ERROR_OLD_WIN_VERSION)
Curl_isVistaOrGreater = false; tool_isVistaOrGreater = false;
else else
return CURLE_FAILED_INIT; return CURLE_FAILED_INIT;
QueryPerformanceFrequency(&Curl_freq); QueryPerformanceFrequency(&tool_freq);
return CURLE_OK; return CURLE_OK;
} }

38
src/tool_metalink.c
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@ -401,9 +401,9 @@ static void SHA256_Final(unsigned char digest[32], SHA256_CTX *ctx)
const digest_params MD5_DIGEST_PARAMS[] = { const digest_params MD5_DIGEST_PARAMS[] = {
{ {
CURLX_FUNCTION_CAST(Curl_digest_init_func, MD5_Init), CURLX_FUNCTION_CAST(digest_init_func, MD5_Init),
CURLX_FUNCTION_CAST(Curl_digest_update_func, MD5_Update), CURLX_FUNCTION_CAST(digest_update_func, MD5_Update),
CURLX_FUNCTION_CAST(Curl_digest_final_func, MD5_Final), CURLX_FUNCTION_CAST(digest_final_func, MD5_Final),
sizeof(MD5_CTX), sizeof(MD5_CTX),
16 16
} }
@ -411,9 +411,9 @@ const digest_params MD5_DIGEST_PARAMS[] = {
const digest_params SHA1_DIGEST_PARAMS[] = { const digest_params SHA1_DIGEST_PARAMS[] = {
{ {
CURLX_FUNCTION_CAST(Curl_digest_init_func, SHA1_Init), CURLX_FUNCTION_CAST(digest_init_func, SHA1_Init),
CURLX_FUNCTION_CAST(Curl_digest_update_func, SHA1_Update), CURLX_FUNCTION_CAST(digest_update_func, SHA1_Update),
CURLX_FUNCTION_CAST(Curl_digest_final_func, SHA1_Final), CURLX_FUNCTION_CAST(digest_final_func, SHA1_Final),
sizeof(SHA_CTX), sizeof(SHA_CTX),
20 20
} }
@ -421,9 +421,9 @@ const digest_params SHA1_DIGEST_PARAMS[] = {
const digest_params SHA256_DIGEST_PARAMS[] = { const digest_params SHA256_DIGEST_PARAMS[] = {
{ {
CURLX_FUNCTION_CAST(Curl_digest_init_func, SHA256_Init), CURLX_FUNCTION_CAST(digest_init_func, SHA256_Init),
CURLX_FUNCTION_CAST(Curl_digest_update_func, SHA256_Update), CURLX_FUNCTION_CAST(digest_update_func, SHA256_Update),
CURLX_FUNCTION_CAST(Curl_digest_final_func, SHA256_Final), CURLX_FUNCTION_CAST(digest_final_func, SHA256_Final),
sizeof(SHA256_CTX), sizeof(SHA256_CTX),
32 32
} }
@ -457,7 +457,7 @@ static const metalink_digest_alias digest_aliases[] = {
{NULL, NULL} {NULL, NULL}
}; };
digest_context *Curl_digest_init(const digest_params *dparams) static digest_context *digest_init(const digest_params *dparams)
{ {
digest_context *ctxt; digest_context *ctxt;
@ -485,16 +485,16 @@ digest_context *Curl_digest_init(const digest_params *dparams)
return ctxt; return ctxt;
} }
int Curl_digest_update(digest_context *context, static int digest_update(digest_context *context,
const unsigned char *data, const unsigned char *data,
unsigned int len) unsigned int len)
{ {
(*context->digest_hash->digest_update)(context->digest_hashctx, data, len); (*context->digest_hash->digest_update)(context->digest_hashctx, data, len);
return 0; return 0;
} }
int Curl_digest_final(digest_context *context, unsigned char *result) static int digest_final(digest_context *context, unsigned char *result)
{ {
if(result) if(result)
(*context->digest_hash->digest_final)(result, context->digest_hashctx); (*context->digest_hash->digest_final)(result, context->digest_hashctx);
@ -551,7 +551,7 @@ static int check_hash(const char *filename,
return -1; return -1;
} }
dctx = Curl_digest_init(digest_def->dparams); dctx = digest_init(digest_def->dparams);
if(!dctx) { if(!dctx) {
fprintf(error, "Metalink: validating (%s) [%s] FAILED (%s)\n", filename, fprintf(error, "Metalink: validating (%s) [%s] FAILED (%s)\n", filename,
digest_def->hash_name, "failed to initialize hash algorithm"); digest_def->hash_name, "failed to initialize hash algorithm");
@ -562,7 +562,7 @@ static int check_hash(const char *filename,
result = malloc(digest_def->dparams->digest_resultlen); result = malloc(digest_def->dparams->digest_resultlen);
if(!result) { if(!result) {
close(fd); close(fd);
Curl_digest_final(dctx, NULL); digest_final(dctx, NULL);
return -1; return -1;
} }
while(1) { while(1) {
@ -574,13 +574,13 @@ static int check_hash(const char *filename,
else if(len == -1) { else if(len == -1) {
fprintf(error, "Metalink: validating (%s) [%s] FAILED (%s)\n", filename, fprintf(error, "Metalink: validating (%s) [%s] FAILED (%s)\n", filename,
digest_def->hash_name, strerror(errno)); digest_def->hash_name, strerror(errno));
Curl_digest_final(dctx, result); digest_final(dctx, result);
close(fd); close(fd);
return -1; return -1;
} }
Curl_digest_update(dctx, buf, (unsigned int)len); digest_update(dctx, buf, (unsigned int)len);
} }
Curl_digest_final(dctx, result); digest_final(dctx, result);
check_ok = memcmp(result, digest, check_ok = memcmp(result, digest,
digest_def->dparams->digest_resultlen) == 0; digest_def->dparams->digest_resultlen) == 0;
/* sha*sum style verdict output */ /* sha*sum style verdict output */

28
src/tool_metalink.h
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@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____| * \___|\___/|_| \_\_____|
* *
* Copyright (C) 1998 - 2014, 2019, Daniel Stenberg, <daniel@haxx.se>, et al. * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
* *
* This software is licensed as described in the file COPYING, which * This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms * you should have received as part of this distribution. The terms
@ -28,19 +28,19 @@ struct GlobalConfig;
struct OperationConfig; struct OperationConfig;
/* returns 1 for success, 0 otherwise (we use OpenSSL *_Init fncs directly) */ /* returns 1 for success, 0 otherwise (we use OpenSSL *_Init fncs directly) */
typedef int (* Curl_digest_init_func)(void *context); typedef int (*digest_init_func)(void *context);
typedef void (* Curl_digest_update_func)(void *context, typedef void (*digest_update_func)(void *context,
const unsigned char *data, const unsigned char *data,
unsigned int len); unsigned int len);
typedef void (* Curl_digest_final_func)(unsigned char *result, void *context); typedef void (*digest_final_func)(unsigned char *result, void *context);
typedef struct { typedef struct {
Curl_digest_init_func digest_init; /* Initialize context procedure */ digest_init_func digest_init; /* Initialize context procedure */
Curl_digest_update_func digest_update; /* Update context with data */ digest_update_func digest_update; /* Update context with data */
Curl_digest_final_func digest_final; /* Get final result procedure */ digest_final_func digest_final; /* Get final result procedure */
unsigned int digest_ctxtsize; /* Context structure size */ unsigned int digest_ctxtsize; /* Context structure size */
unsigned int digest_resultlen; /* Result length (bytes) */ unsigned int digest_resultlen; /* Result length (bytes) */
} digest_params; } digest_params;
typedef struct { typedef struct {
@ -48,12 +48,6 @@ typedef struct {
void *digest_hashctx; /* Hash function context */ void *digest_hashctx; /* Hash function context */
} digest_context; } digest_context;
digest_context * Curl_digest_init(const digest_params *dparams);
int Curl_digest_update(digest_context *context,
const unsigned char *data,
unsigned int len);
int Curl_digest_final(digest_context *context, unsigned char *result);
typedef struct { typedef struct {
const char *hash_name; const char *hash_name;
const digest_params *dparams; const digest_params *dparams;

12
src/tool_util.c
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@ -28,19 +28,19 @@
#if defined(WIN32) && !defined(MSDOS) #if defined(WIN32) && !defined(MSDOS)
/* set in win32_init() */ /* set in win32_init() */
extern LARGE_INTEGER Curl_freq; extern LARGE_INTEGER tool_freq;
extern bool Curl_isVistaOrGreater; extern bool tool_isVistaOrGreater;
/* In case of bug fix this function has a counterpart in timeval.c */ /* In case of bug fix this function has a counterpart in timeval.c */
struct timeval tvnow(void) struct timeval tvnow(void)
{ {
struct timeval now; struct timeval now;
if(Curl_isVistaOrGreater) { /* QPC timer might have issues pre-Vista */ if(tool_isVistaOrGreater) { /* QPC timer might have issues pre-Vista */
LARGE_INTEGER count; LARGE_INTEGER count;
QueryPerformanceCounter(&count); QueryPerformanceCounter(&count);
now.tv_sec = (long)(count.QuadPart / Curl_freq.QuadPart); now.tv_sec = (long)(count.QuadPart / tool_freq.QuadPart);
now.tv_usec = (long)((count.QuadPart % Curl_freq.QuadPart) * 1000000 / now.tv_usec = (long)((count.QuadPart % tool_freq.QuadPart) * 1000000 /
Curl_freq.QuadPart); tool_freq.QuadPart);
} }
else { else {
/* Disable /analyze warning that GetTickCount64 is preferred */ /* Disable /analyze warning that GetTickCount64 is preferred */