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gentoo-overlay/app-admin/logrotate/files/logrotate-3.9.1-atomic-crea...

44 lines
1.2 KiB

diff -Nuar a/logrotate.c b/logrotate.c
--- a/logrotate.c 2015-06-28 13:57:18.449999884 +0200
+++ b/logrotate.c 2015-06-28 14:02:20.799999876 +0200
@@ -371,15 +371,18 @@
int createOutputFile(char *fileName, int flags, struct stat *sb, acl_type acl, int force_mode)
{
int fd;
- struct stat sb_create;
- int acl_set = 0;
-
- fd = open(fileName, (flags | O_EXCL | O_NOFOLLOW),
- (S_IRUSR | S_IWUSR) & sb->st_mode);
+ int acl_set = 0;
+ struct stat sb_create;
+ char template[PATH_MAX + 1];
+ mode_t umask_value;
+ snprintf(template, PATH_MAX, "%s/logrotate_temp.XXXXXX", ourDirName(fileName));
+ umask_value = umask(0000);
+ fd = mkostemp(template, (flags | O_EXCL | O_NOFOLLOW));
+ umask(umask_value);
if (fd < 0) {
- message(MESS_ERROR, "error creating output file %s: %s\n",
- fileName, strerror(errno));
+ message(MESS_ERROR, "error creating unique temp file: %s\n",
+ strerror(errno));
return -1;
}
if (fchmod(fd, (S_IRUSR | S_IWUSR) & sb->st_mode)) {
@@ -430,6 +433,13 @@
}
}
+ if (rename(template, fileName)) {
+ message(MESS_ERROR, "error renaming temp file to %s: %s\n",
+ fileName, strerror(errno));
+ close(fd);
+ return -1;
+ }
+
return fd;
}