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Wed, 27 Nov 2019 12:41:10 -0800 (PST) Received: from toolbox.localdomain ([2600:1700:2ab0:1b80::66c]) by smtp.gmail.com with ESMTPSA id q131sm7553186ywh.22.2019.11.27.12.41.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Nov 2019 12:41:10 -0800 (PST) From: Ryan Gonzalez To: pacman-dev@archlinux.org Date: Wed, 27 Nov 2019 14:40:51 -0600 Message-Id: <20191127204051.782-2-rymg19@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191127204051.782-1-rymg19@gmail.com> References: <20191127204051.782-1-rymg19@gmail.com> MIME-Version: 1.0 Subject: [pacman-dev] [PATCH 2/2] remove: Don't follow symlinks in checking if a file can be removed X-BeenThere: pacman-dev@archlinux.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for pacman development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Discussion list for pacman development Errors-To: pacman-dev-bounces@archlinux.org Sender: "pacman-dev" Otherwise, symlinks to non-removable files will be logged as unable to be removed. Signed-off-by: Ryan Gonzalez --- lib/libalpm/remove.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/libalpm/remove.c b/lib/libalpm/remove.c index 9030bfee..bb980e7d 100644 --- a/lib/libalpm/remove.c +++ b/lib/libalpm/remove.c @@ -339,7 +339,7 @@ static int can_remove_file(alpm_handle_t *handle, const alpm_file_t *file) /* If we fail write permissions due to a read-only filesystem, abort. * Assume all other possible failures are covered somewhere else */ - if(_alpm_access(handle, NULL, filepath, W_OK) == -1) { + if(_alpm_access_flags(handle, NULL, filepath, W_OK, AT_SYMLINK_NOFOLLOW) == -1) { if(errno != EACCES && errno != ETXTBSY && access(filepath, F_OK) == 0) { /* only return failure if the file ACTUALLY exists and we can't write to * it - ignore "chmod -w" simple permission failures */