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From 503172f46360b33170063b3bf75047990c644ed5 Mon Sep 17 00:00:00 2001
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From: Lukas Slebodnik <lslebodn@redhat.com>
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Date: Tue, 31 Jul 2018 20:43:37 +0000
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Subject: [PATCH] Revert "Revert "CRYPTO: Suppress warning
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Wstringop-truncation""
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This reverts commit bb20d5160faed5e0076887ac4a83e550be15a8b2.
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The patch introduced compile time warning
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src/util/crypto/libcrypto/crypto_sha512crypt.c:280:10: error: 'stpncpy'
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output truncated before terminating nul copying 3 bytes from a string
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of the same length [-Werror=stringop-truncation]
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cp = stpncpy(buffer, sha512_salt_prefix, SALT_PREF_SIZE);
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^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Merges: https://pagure.io/SSSD/sssd/pull-request/3792
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Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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---
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src/util/crypto/libcrypto/crypto_sha512crypt.c | 2 +-
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src/util/crypto/nss/nss_sha512crypt.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/util/crypto/libcrypto/crypto_sha512crypt.c b/src/util/crypto/libcrypto/crypto_sha512crypt.c
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index b074eee555fafac6e486bfdf9efb9ddf4964a990..5861f34b9325f7552491a07e8b85fe35ca5ae607 100644
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--- a/src/util/crypto/libcrypto/crypto_sha512crypt.c
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+++ b/src/util/crypto/libcrypto/crypto_sha512crypt.c
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@@ -277,7 +277,7 @@ static int sha512_crypt_r(const char *key,
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goto done;
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}
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- cp = stpncpy(buffer, sha512_salt_prefix, SALT_PREF_SIZE);
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+ cp = memcpy(buffer, sha512_salt_prefix, SALT_PREF_SIZE);
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buflen -= SALT_PREF_SIZE;
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if (rounds_custom) {
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diff --git a/src/util/crypto/nss/nss_sha512crypt.c b/src/util/crypto/nss/nss_sha512crypt.c
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index 2f1624e6396c40f539a4e2034ab545cad8f05434..709cf51961bb7069ddebf3d636aa29b020756f0a 100644
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--- a/src/util/crypto/nss/nss_sha512crypt.c
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+++ b/src/util/crypto/nss/nss_sha512crypt.c
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@@ -267,7 +267,7 @@ static int sha512_crypt_r(const char *key,
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goto done;
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}
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- cp = stpncpy(buffer, sha512_salt_prefix, SALT_PREF_SIZE);
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+ cp = memcpy(buffer, sha512_salt_prefix, SALT_PREF_SIZE);
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buflen -= SALT_PREF_SIZE;
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if (rounds_custom) {
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--
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2.14.4
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