diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86Helper.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86Helper.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Helper.c b/xorg-server/hw/xfree86/common/xf86Helper.c index 12a877159..e2b32a074 100644 --- a/xorg-server/hw/xfree86/common/xf86Helper.c +++ b/xorg-server/hw/xfree86/common/xf86Helper.c @@ -1217,16 +1217,45 @@ xf86ErrorF(const char *format, ...) va_end(ap); } +/* Note temporarily modifies the passed in buffer! */ +static void xf86_mkdir_p(char *path) +{ + char *sep = path; + + while ((sep = strchr(sep + 1, '/'))) { + *sep = 0; + (void)mkdir(path, 0777); + *sep = '/'; + } + (void)mkdir(path, 0777); +} + void xf86LogInit(void) { - char *lf = NULL; + char *env, *lf = NULL; + char buf[PATH_MAX]; #define LOGSUFFIX ".log" #define LOGOLDSUFFIX ".old" /* Get the log file name */ if (xf86LogFileFrom == X_DEFAULT) { + /* When not running as root, we won't be able to write to /var/log */ + if (geteuid() != 0) { + if ((env = getenv("XDG_DATA_HOME"))) + snprintf(buf, sizeof(buf), "%s/%s", env, + DEFAULT_XDG_DATA_HOME_LOGDIR); + else if ((env = getenv("HOME"))) + snprintf(buf, sizeof(buf), "%s/%s/%s", env, + DEFAULT_XDG_DATA_HOME, DEFAULT_XDG_DATA_HOME_LOGDIR); + + if (env) { + xf86_mkdir_p(buf); + strlcat(buf, "/" DEFAULT_LOGPREFIX, sizeof(buf)); + xf86LogFile = buf; + } + } /* Append the display number and ".log" */ if (asprintf(&lf, "%s%%s" LOGSUFFIX, xf86LogFile) == -1) FatalError("Cannot allocate space for the log file name\n"); |