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rc-logger: refuse to cat TMPLOG into itself

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This prevents an infinite loop in case somebody decides to set
rc_log_path to match TMPLOG.
This commit is contained in:
Doug Freed 2016-07-24 02:27:53 +00:00
parent 8927a37fb7
commit 3adb8fb389
1 changed files with 4 additions and 0 deletions
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4
src/rc/rc-logger.c
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@ -247,6 +247,10 @@ rc_logger_open(const char *level)
logfile = rc_conf_value("rc_log_path"); logfile = rc_conf_value("rc_log_path");
if (logfile == NULL) if (logfile == NULL)
logfile = DEFAULTLOG; logfile = DEFAULTLOG;
if (!strcmp(logfile, TMPLOG)) {
eerror("Cowardly refusing to concatenate a logfile into itself.");
eerrorx("Please change rc_log_path to something other than %s to get rid of this message", TMPLOG);
}
if ((plog = fopen(logfile, "ae"))) { if ((plog = fopen(logfile, "ae"))) {
if ((log = fopen(TMPLOG, "re"))) { if ((log = fopen(TMPLOG, "re"))) {