Date: Mon, 14 May 2018 21:57:45 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r333614 - head/sys/dev/mmc Message-ID: <201805142157.w4ELvjs6091005@repo.freebsd.org>
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Author: marius Date: Mon May 14 21:57:45 2018 New Revision: 333614 URL: https://svnweb.freebsd.org/changeset/base/333614 Log: Let mmcsd_ioctl() ensure appropriate privileges via priv_check(9). Modified: head/sys/dev/mmc/mmcsd.c Modified: head/sys/dev/mmc/mmcsd.c ============================================================================== --- head/sys/dev/mmc/mmcsd.c Mon May 14 21:46:06 2018 (r333613) +++ head/sys/dev/mmc/mmcsd.c Mon May 14 21:57:45 2018 (r333614) @@ -69,6 +69,7 @@ __FBSDID("$FreeBSD$"); #include <sys/malloc.h> #include <sys/module.h> #include <sys/mutex.h> +#include <sys/priv.h> #include <sys/slicer.h> #include <sys/time.h> @@ -179,7 +180,7 @@ static int mmcsd_bus_bit_width(device_t dev); static daddr_t mmcsd_delete(struct mmcsd_part *part, struct bio *bp); static const char *mmcsd_errmsg(int e); static int mmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void *data, - int fflag); + int fflag, struct thread *td); static int mmcsd_ioctl_cmd(struct mmcsd_part *part, struct mmc_ioc_cmd *mic, int fflag); static uintmax_t mmcsd_pretty_size(off_t size, char *unit); @@ -771,22 +772,23 @@ mmcsd_strategy(struct bio *bp) static int mmcsd_ioctl_rpmb(struct cdev *dev, u_long cmd, caddr_t data, - int fflag, struct thread *td __unused) + int fflag, struct thread *td) { - return (mmcsd_ioctl(dev->si_drv1, cmd, data, fflag)); + return (mmcsd_ioctl(dev->si_drv1, cmd, data, fflag, td)); } static int mmcsd_ioctl_disk(struct disk *disk, u_long cmd, void *data, int fflag, - struct thread *td __unused) + struct thread *td) { - return (mmcsd_ioctl(disk->d_drv1, cmd, data, fflag)); + return (mmcsd_ioctl(disk->d_drv1, cmd, data, fflag, td)); } static int -mmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void *data, int fflag) +mmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void *data, int fflag, + struct thread *td) { struct mmc_ioc_cmd *mic; struct mmc_ioc_multi_cmd *mimc; @@ -795,6 +797,10 @@ mmcsd_ioctl(struct mmcsd_part *part, u_long cmd, void if ((fflag & FREAD) == 0) return (EBADF); + + err = priv_check(td, PRIV_DRIVER); + if (err != 0) + return (err); err = 0; switch (cmd) {
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