509a975d20
Story: 2003389 Task: 24483 Change-Id: I6772a2193c281006cdd78974b711bc500ae38327 Signed-off-by: zhipengl <zhipengs.liu@intel.com>
106 lines
2.9 KiB
Diff
106 lines
2.9 KiB
Diff
From cbd37cc302ed71fb27cb0af0293e949698ee4309 Mon Sep 17 00:00:00 2001
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From: Don Penney <don.penney@windriver.com>
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Date: Wed, 22 Aug 2018 00:13:32 +0800
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Subject: [PATCH] createOutputFile: rename already existing file
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Upstream patch:
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From fc1c3eff61edf8e9f0a4bfa980f3a6030a6b271f Mon Sep 17 00:00:00 2001
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From: Mathieu Parent <Mathieu.PARENT@nantesmetropole.fr>
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Date: Tue, 8 Mar 2016 16:56:50 +0100
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Subject: [PATCH] createOutputFile: rename already existing file
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See https://bugs.debian.org/734688
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Closes #23
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---
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logrotate.c | 20 ++++++++++++++++++--
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test/test | 26 ++++++++++++++++++++++++++
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test/test-config.72.in | 7 +++++++
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3 files changed, 51 insertions(+), 2 deletions(-)
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create mode 100644 test/test-config.72.in
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diff --git a/logrotate.c b/logrotate.c
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index e056ccd..e415164 100644
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--- a/logrotate.c
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+++ b/logrotate.c
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@@ -395,8 +395,24 @@ static int runScript(struct logInfo *log, char *logfn, char *script)
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int createOutputFile(char *fileName, int flags, struct stat *sb, acl_type acl, int force_mode)
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{
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int fd;
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- struct stat sb_create;
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- int acl_set = 0;
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+ struct stat sb_create;
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+ int acl_set = 0;
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+
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+ if (stat(fileName, &sb_create) == 0) {
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+ /* the destination file already exists, while it should not */
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+ struct tm now = *localtime(&nowSecs);
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+ size_t fileName_size = strlen(fileName);
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+ char* backupName = alloca(fileName_size + sizeof("-YYYYMMDDHH.backup"));
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+ strncpy(backupName, fileName, fileName_size);
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+ size_t date_size=strftime(backupName+fileName_size, 12, "-%Y%m%d%H", &now);
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+ strncpy(backupName+fileName_size+date_size, ".backup\0", 8);
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+ message(MESS_ERROR, "destination %s already exists, renaming to %s\n", fileName, backupName);
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+ if (rename(fileName, backupName) != 0) {
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+ message(MESS_ERROR, "error renaming already existing output file %s to %s: %s\n",
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+ fileName, backupName, strerror(errno));
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+ return -1;
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+ }
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+ }
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fd = open(fileName, (flags | O_EXCL | O_NOFOLLOW),
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(S_IRUSR | S_IWUSR) & sb->st_mode);
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diff --git a/test/test b/test/test
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index bcdfe05..b47ac6a 100755
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--- a/test/test
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+++ b/test/test
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@@ -1586,6 +1586,32 @@ EOF
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rm -rf testdir adir
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rm -rf testdir bdir
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+cleanup 72
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+
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+# ------------------------------- Test 72 ------------------------------------
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+preptest test.log 72 2
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+
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+$RLR test-config.72 --force
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+
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+checkoutput <<EOF
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+test.log 0
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+test.log.1 0 zero
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+test.log.2.gz 1 first
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+EOF
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+
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+echo 'unexpected' > test.log.1.gz
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+
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+$RLR test-config.72 --force
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+dt="$(date +%Y%m%d%H)"
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+
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+checkoutput <<EOF
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+test.log 0
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+test.log.1 0
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+test.log.1.gz-$dt.backup 0 unexpected
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+test.log.2.gz 1 zero
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+test.log.3.gz 1 first
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+EOF
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+
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cleanup 73
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# ------------------------------- Test 73 ------------------------------------
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diff --git a/test/test-config.72.in b/test/test-config.72.in
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new file mode 100644
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index 0000000..9fe50a2
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--- /dev/null
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+++ b/test/test-config.72.in
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@@ -0,0 +1,7 @@
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+&DIR&/test.log {
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+ daily
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+ rotate 3
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+ compress
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+ delaycompress
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+ create
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+}
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--
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2.7.4
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