opensc/SOURCES/opensc-0.20.0-calloc0.patch

103 lines
3.1 KiB
Diff

From f1bcadfbe9d156adbe509b0860511ee41add0c67 Mon Sep 17 00:00:00 2001
From: Frank Morgner <frankmorgner@gmail.com>
Date: Tue, 10 Mar 2020 12:13:29 +0100
Subject: [PATCH] pkcs11: don't try to allocate 0 byte with calloc
fixes #1978
---
src/pkcs11/pkcs11-global.c | 7 ++++++-
win32/Make.rules.mak | 4 ++--
win32/winconfig.h.in | 2 ++
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/pkcs11/pkcs11-global.c b/src/pkcs11/pkcs11-global.c
index a3260314f8..671890309f 100644
--- a/src/pkcs11/pkcs11-global.c
+++ b/src/pkcs11/pkcs11-global.c
@@ -456,6 +456,13 @@ CK_RV C_GetSlotList(CK_BBOOL tokenPresent, /* only slots with token prese
card_detect_all();
+ if (list_empty(&virtual_slots)) {
+ sc_log(context, "returned 0 slots\n");
+ *pulCount = 0;
+ rv = CKR_OK;
+ goto out;
+ }
+
found = calloc(list_size(&virtual_slots), sizeof(CK_SLOT_ID));
if (found == NULL) {
diff --git a/win32/Make.rules.mak b/win32/Make.rules.mak
index 4f4971a72d..c6b1aac340 100644
--- a/win32/Make.rules.mak
+++ b/win32/Make.rules.mak
@@ -1,7 +1,7 @@
OPENSC_FEATURES = pcsc
#Include support for minidriver
-MINIDRIVER_DEF = /DENABLE_MINIDRIVER
+#MINIDRIVER_DEF = /DENABLE_MINIDRIVER
#Build MSI with the Windows Installer XML (WIX) toolkit, requires WIX >= 3.9
!IF "$(WIX)" == ""
@@ -33,7 +33,7 @@ WIX_LIBS = "$(WIX)\SDK\$(WIXVSVER)\lib\$(PLATFORM)\dutil.lib" "$(WIX)\SDK\$(WIXV
SM_DEF = /DENABLE_SM
#Build with debugging support
-#DEBUG_DEF = /DDEBUG
+DEBUG_DEF = /DDEBUG
# If you want support for OpenSSL (needed for pkcs15-init tool, software hashing in PKCS#11 library and verification):
# - download and build OpenSSL
diff --git a/win32/winconfig.h.in b/win32/winconfig.h.in
index 94ed9b5475..fa682c5bcc 100644
--- a/win32/winconfig.h.in
+++ b/win32/winconfig.h.in
@@ -103,6 +103,8 @@
#define DEFAULT_ONEPIN_PKCS11_PROVIDER "@DEFAULT_ONEPIN_PKCS11_PROVIDER@"
#endif
+#define PKCS11_THREAD_LOCKING
+
#ifndef DEFAULT_SM_MODULE
#define DEFAULT_SM_MODULE "@DEFAULT_SM_MODULE@"
#endif
commit 500ecd3d127975379e2310626c3ce94c3e7035ea
Author: Jakub Jelen <jjelen@redhat.com>
Date: Wed Nov 25 13:49:08 2020 +0100
pkcs11-tool: Avoid calloc with 0 argument
diff --git a/src/tools/pkcs11-tool.c b/src/tools/pkcs11-tool.c
index 4015aaf1..89244795 100644
--- a/src/tools/pkcs11-tool.c
+++ b/src/tools/pkcs11-tool.c
@@ -1270,15 +1270,18 @@ static void list_slots(int tokens, int refresh, int print)
if (rv != CKR_OK)
p11_fatal("C_GetSlotList(NULL)", rv);
free(p11_slots);
- p11_slots = calloc(p11_num_slots, sizeof(CK_SLOT_ID));
- if (p11_slots == NULL) {
- perror("calloc failed");
- exit(1);
+ p11_slots = NULL;
+ if (p11_num_slots > 0) {
+ p11_slots = calloc(p11_num_slots, sizeof(CK_SLOT_ID));
+ if (p11_slots == NULL) {
+ perror("calloc failed");
+ exit(1);
+ }
+ rv = p11->C_GetSlotList(tokens, p11_slots, &p11_num_slots);
+ if (rv != CKR_OK)
+ p11_fatal("C_GetSlotList()", rv);
}
- rv = p11->C_GetSlotList(tokens, p11_slots, &p11_num_slots);
- if (rv != CKR_OK)
- p11_fatal("C_GetSlotList()", rv);
}
if (!print)