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| author | David Zeuthen <davidz@redhat.com> | 2011-08-31 10:00:11 -0400 |
|---|---|---|
| committer | Kay Sievers <kay.sievers@vrfy.org> | 2011-09-01 21:15:29 +0200 |
| commit | b93b46e4b70ee6e7c95f8589bd1da93e3d17d44d (patch) | |
| tree | 45e392d77716832ab6323ba527c658328881f1f9 | |
| parent | 4fd394c34b1950ba897ef9ce92b14d2fe2a8dba8 (diff) | |
| download | udev-b93b46e4b70ee6e7c95f8589bd1da93e3d17d44d.tar.gz | |
ata_id: Check for Compact Flash card
Automounters may need information like this to e.g. allow unprivileged
applications to mount filesystems from a CF card but not from
other ATA devices. See https://bugzilla.redhat.com/show_bug.cgi?id=734191
Signed-off-by: David Zeuthen <davidz@redhat.com>
| -rw-r--r-- | extras/ata_id/ata_id.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/extras/ata_id/ata_id.c b/extras/ata_id/ata_id.c index 1e93fde4..cadadfc2 100644 --- a/extras/ata_id/ata_id.c +++ b/extras/ata_id/ata_id.c @@ -448,6 +448,7 @@ int main(int argc, char *argv[]) struct udev *udev; struct hd_driveid id; uint8_t identify[512]; + uint16_t *identify_words; char model[41]; char model_enc[256]; char serial[21]; @@ -541,6 +542,7 @@ int main(int argc, char *argv[]) goto close; } } + identify_words = (uint16_t *) identify; memcpy (model, id.model, 40); model[40] = '\0'; @@ -700,6 +702,15 @@ int main(int argc, char *argv[]) /* ATA devices have no vendor extension */ printf("ID_WWN_WITH_EXTENSION=0x%llx\n", (unsigned long long int) wwwn); } + + /* from Linux's include/linux/ata.h */ + if (identify_words[0] == 0x848a || identify_words[0] == 0x844a) { + printf("ID_ATA_CFA=1\n"); + } else { + if ((identify_words[83] & 0xc004) == 0x4004) { + printf("ID_ATA_CFA=1\n"); + } + } } else { if (serial[0] != '\0') printf("%s_%s\n", model, serial); |