68 lines
2.5 KiB
Diff
68 lines
2.5 KiB
Diff
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Based on ee7122c0ec6aa11f02e9e8d94254b353f12d2c14 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 1 Nov 2014 12:06:41 -0400
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Subject: [PATCH] libudev: do not accept invalid log levels
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Invalid log levels lead to a assert failure later on.
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https://bugs.freedesktop.org/show_bug.cgi?id=85657
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---
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src/libudev/libudev-util.c | 10 +++++++---
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src/libudev/libudev.c | 19 ++++++++++++++++---
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2 files changed, 23 insertions(+), 6 deletions(-)
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--- src/libudev/libudev-util.c
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+++ src/libudev/libudev-util.c 2014-11-10 11:33:26.269519209 +0000
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@@ -255,9 +255,13 @@ int util_log_priority(const char *priori
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char *endptr;
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int prio;
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- prio = strtol(priority, &endptr, 10);
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- if (endptr[0] == '\0' || isspace(endptr[0]))
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- return prio;
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+ prio = strtoul(priority, &endptr, 10);
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+ if (endptr[0] == '\0' || isspace(endptr[0])) {
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+ if (prio >= 0 && prio <= 7)
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+ return prio;
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+ else
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+ return -ERANGE;
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+ }
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if (startswith(priority, "err"))
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return LOG_ERR;
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if (startswith(priority, "info"))
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--- src/libudev/libudev.c
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+++ src/libudev/libudev.c
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@@ -193,7 +193,13 @@ _public_ struct udev *udev_new(void)
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}
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if (streq(key, "udev_log")) {
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- udev_set_log_priority(udev, util_log_priority(val));
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+ int prio;
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+
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+ prio = util_log_priority(val);
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+ if (prio < 0)
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+ udev_err(udev, "/etc/udev/udev.conf:%u: invalid logging level '%s', ignoring.\n", line_nr, val);
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+ else
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+ udev_set_log_priority(udev, prio);
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continue;
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}
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}
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@@ -201,8 +207,15 @@ _public_ struct udev *udev_new(void)
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/* environment overrides config */
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env = secure_getenv("UDEV_LOG");
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- if (env != NULL)
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- udev_set_log_priority(udev, util_log_priority(env));
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+ if (env != NULL) {
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+ int prio;
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+
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+ prio = util_log_priority(env);
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+ if (prio < 0)
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+ udev_err(udev, "$UDEV_LOG specifies invalid logging level '%s', ignoring.\n", env);
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+ else
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+ udev_set_log_priority(udev, prio);
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+ }
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return udev;
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}
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