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Diffstat (limited to 'extras/cdrom_id/cdrom_id.c')
-rw-r--r--extras/cdrom_id/cdrom_id.c187
1 files changed, 88 insertions, 99 deletions
diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
index 9e27471863..dbe80ea7e3 100644
--- a/extras/cdrom_id/cdrom_id.c
+++ b/extras/cdrom_id/cdrom_id.c
@@ -46,37 +46,17 @@
static int debug;
-#ifdef USE_LOG
-void log_message(int priority, const char *format, ...)
+static void log_fn(struct udev *udev, int priority,
+ const char *file, int line, const char *fn,
+ const char *format, va_list args)
{
- va_list args;
- static int udev_log = -1;
-
- if (udev_log == -1) {
- const char *value;
-
- value = getenv("UDEV_LOG");
- if (value)
- udev_log = log_priority(value);
- else
- udev_log = LOG_ERR;
-
- if (debug && udev_log < LOG_INFO)
- udev_log = LOG_INFO;
- }
-
- if (priority > udev_log)
- return;
-
- va_start(args, format);
if (debug) {
- fprintf(stderr, "[%d] ", (int) getpid());
+ fprintf(stderr, "%s: ", fn);
vfprintf(stderr, format, args);
- } else
+ } else {
vsyslog(priority, format, args);
- va_end(args);
+ }
}
-#endif
/* device info */
static unsigned int cd_cd_rom;
@@ -135,13 +115,13 @@ static unsigned long long int cd_media_session_last_offset;
#define ASC(errcode) (((errcode) >> 8) & 0xFF)
#define ASCQ(errcode) ((errcode) & 0xFF)
-static void info_scsi_cmd_err(const char *cmd, int err)
+static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
{
if (err == -1) {
- info("%s failed\n", cmd);
+ info(udev, "%s failed\n", cmd);
return;
}
- info("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
+ info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
}
struct scsi_cmd {
@@ -153,7 +133,7 @@ struct scsi_cmd {
struct sg_io_hdr sg_io;
};
-static void scsi_cmd_set(struct scsi_cmd *cmd, size_t i, int arg)
+static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, int arg)
{
if (i == 0) {
memset(cmd, 0x00, sizeof(struct scsi_cmd));
@@ -172,7 +152,7 @@ static void scsi_cmd_set(struct scsi_cmd *cmd, size_t i, int arg)
#define CHECK_CONDITION 0x01
-static int scsi_cmd_run(struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
+static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
{
int ret = 0;
@@ -194,13 +174,13 @@ static int scsi_cmd_run(struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t
return ret;
}
-static int cd_capability_compat(int fd)
+static int cd_capability_compat(struct udev *udev, int fd)
{
int capabilty;
capabilty = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
if (capabilty < 0) {
- info("CDROM_GET_CAPABILITY failed\n");
+ info(udev, "CDROM_GET_CAPABILITY failed\n");
return -1;
}
@@ -221,30 +201,30 @@ static int cd_capability_compat(int fd)
return 0;
}
-static int cd_inquiry(int fd) {
+static int cd_inquiry(struct udev *udev, int fd) {
struct scsi_cmd sc;
unsigned char inq[128];
int err;
- scsi_cmd_set(&sc, 0, 0x12);
- scsi_cmd_set(&sc, 4, 36);
- scsi_cmd_set(&sc, 5, 0);
- err = scsi_cmd_run(&sc, fd, inq, 36);
+ scsi_cmd_set(udev, &sc, 0, 0x12);
+ scsi_cmd_set(udev, &sc, 4, 36);
+ scsi_cmd_set(udev, &sc, 5, 0);
+ err = scsi_cmd_run(udev, &sc, fd, inq, 36);
if ((err < 0)) {
- info_scsi_cmd_err("INQUIRY", err);
+ info_scsi_cmd_err(udev, "INQUIRY", err);
return -1;
}
if ((inq[0] & 0x1F) != 5) {
- info("not an MMC unit\n");
+ info(udev, "not an MMC unit\n");
return -1;
}
- info("INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
+ info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
return 0;
}
-static int cd_profiles(int fd)
+static int cd_profiles(struct udev *udev, int fd)
{
struct scsi_cmd sc;
unsigned char header[8];
@@ -254,32 +234,32 @@ static int cd_profiles(int fd)
unsigned int i;
int err;
- scsi_cmd_set(&sc, 0, 0x46);
- scsi_cmd_set(&sc, 1, 0);
- scsi_cmd_set(&sc, 8, sizeof(header));
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, header, sizeof(header));
+ scsi_cmd_set(udev, &sc, 0, 0x46);
+ scsi_cmd_set(udev, &sc, 1, 0);
+ scsi_cmd_set(udev, &sc, 8, sizeof(header));
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
if ((err < 0)) {
- info_scsi_cmd_err("GET CONFIGURATION", err);
+ info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
return -1;
}
len = 4 + (header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]);
- info("GET CONFIGURATION: number of profiles %i\n", len);
+ info(udev, "GET CONFIGURATION: number of profiles %i\n", len);
if (len > sizeof(profiles)) {
- info("invalid number of profiles\n");
+ info(udev, "invalid number of profiles\n");
return -1;
}
- scsi_cmd_set(&sc, 0, 0x46);
- scsi_cmd_set(&sc, 1, 1);
- scsi_cmd_set(&sc, 6, len >> 16);
- scsi_cmd_set(&sc, 7, len >> 8);
- scsi_cmd_set(&sc, 8, len);
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, profiles, len);
+ scsi_cmd_set(udev, &sc, 0, 0x46);
+ scsi_cmd_set(udev, &sc, 1, 1);
+ scsi_cmd_set(udev, &sc, 6, len >> 16);
+ scsi_cmd_set(udev, &sc, 7, len >> 8);
+ scsi_cmd_set(udev, &sc, 8, len);
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, profiles, len);
if ((err < 0)) {
- info_scsi_cmd_err("GET CONFIGURATION", err);
+ info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
return -1;
}
@@ -288,7 +268,7 @@ static int cd_profiles(int fd)
unsigned int profile = (profiles[i] << 8 | profiles[i + 1]);
if (profile == 0)
continue;
- info("profile 0x%02x\n", profile);
+ info(udev, "profile 0x%02x\n", profile);
switch (profile) {
case 0x03:
@@ -344,9 +324,9 @@ static int cd_profiles(int fd)
/* current media profile */
cur_profile = header[6] << 8 | header[7];
- info("current profile 0x%02x\n", cur_profile);
+ info(udev, "current profile 0x%02x\n", cur_profile);
if (cur_profile == 0) {
- info("no current profile, assuming no media\n");
+ info(udev, "no current profile, assuming no media\n");
return -1;
}
@@ -415,7 +395,7 @@ static int cd_profiles(int fd)
return 0;
}
-static int cd_media_info(int fd)
+static int cd_media_info(struct udev *udev, int fd)
{
struct scsi_cmd sc;
unsigned char header[32];
@@ -427,16 +407,16 @@ static int cd_media_info(int fd)
};
int err;
- scsi_cmd_set(&sc, 0, 0x51);
- scsi_cmd_set(&sc, 8, sizeof(header));
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, header, sizeof(header));
+ scsi_cmd_set(udev, &sc, 0, 0x51);
+ scsi_cmd_set(udev, &sc, 8, sizeof(header));
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
if ((err < 0)) {
- info_scsi_cmd_err("READ DISC INFORMATION", err);
+ info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
return -1;
};
- info("disk type %02x\n", header[8]);
+ info(udev, "disk type %02x\n", header[8]);
if ((header[2] & 3) < 4)
cd_media_state = media_status[header[2] & 3];
@@ -448,7 +428,7 @@ static int cd_media_info(int fd)
return 0;
}
-static int cd_media_toc(int fd)
+static int cd_media_toc(struct udev *udev, int fd)
{
struct scsi_cmd sc;
unsigned char header[12];
@@ -457,18 +437,18 @@ static int cd_media_toc(int fd)
unsigned char *p;
int err;
- scsi_cmd_set(&sc, 0, 0x43);
- scsi_cmd_set(&sc, 6, 1);
- scsi_cmd_set(&sc, 8, sizeof(header));
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, header, sizeof(header));
+ scsi_cmd_set(udev, &sc, 0, 0x43);
+ scsi_cmd_set(udev, &sc, 6, 1);
+ scsi_cmd_set(udev, &sc, 8, sizeof(header));
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
if ((err < 0)) {
- info_scsi_cmd_err("READ TOC", err);
+ info_scsi_cmd_err(udev, "READ TOC", err);
return -1;
}
len = (header[0] << 8 | header[1]) + 2;
- info("READ TOC: len: %d\n", len);
+ info(udev, "READ TOC: len: %d\n", len);
if (len > sizeof(toc))
return -1;
if (len < 2)
@@ -478,14 +458,14 @@ static int cd_media_toc(int fd)
if (len < 8)
return 0;
- scsi_cmd_set(&sc, 0, 0x43);
- scsi_cmd_set(&sc, 6, header[2]); /* First Track/Session Number */
- scsi_cmd_set(&sc, 7, len >> 8);
- scsi_cmd_set(&sc, 8, len);
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, toc, len);
+ scsi_cmd_set(udev, &sc, 0, 0x43);
+ scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
+ scsi_cmd_set(udev, &sc, 7, len >> 8);
+ scsi_cmd_set(udev, &sc, 8, len);
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, toc, len);
if ((err < 0)) {
- info_scsi_cmd_err("READ TOC (tracks)", err);
+ info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
return -1;
}
@@ -496,7 +476,7 @@ static int cd_media_toc(int fd)
is_data_track = (p[1] & 0x04) != 0;
block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
- info("track=%u info=0x%x(%s) start_block=%u\n",
+ info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
if (is_data_track)
@@ -505,23 +485,24 @@ static int cd_media_toc(int fd)
cd_media_track_count_audio++;
}
- scsi_cmd_set(&sc, 0, 0x43);
- scsi_cmd_set(&sc, 2, 1); /* Session Info */
- scsi_cmd_set(&sc, 8, 12);
- scsi_cmd_set(&sc, 9, 0);
- err = scsi_cmd_run(&sc, fd, header, sizeof(header));
+ scsi_cmd_set(udev, &sc, 0, 0x43);
+ scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
+ scsi_cmd_set(udev, &sc, 8, 12);
+ scsi_cmd_set(udev, &sc, 9, 0);
+ err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
if ((err < 0)) {
- info_scsi_cmd_err("READ TOC (multi session)", err);
+ info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
return -1;
}
len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
- info("last track %u starts at block %u\n", header[4+2], len);
+ info(udev, "last track %u starts at block %u\n", header[4+2], len);
cd_media_session_last_offset = (unsigned long long int)len * 2048;
return 0;
}
int main(int argc, char *argv[])
{
+ struct udev *udev;
static const struct option options[] = {
{ "export", 0, NULL, 'x' },
{ "debug", 0, NULL, 'd' },
@@ -533,7 +514,12 @@ int main(int argc, char *argv[])
int fd = -1;
int rc = 0;
+ udev = udev_new();
+ if (udev == NULL)
+ goto exit;
+
logging_init("cdrom_id");
+ udev_set_log_fn(udev, log_fn);
while (1) {
int option;
@@ -545,6 +531,8 @@ int main(int argc, char *argv[])
switch (option) {
case 'd':
debug = 1;
+ if (udev_get_log_priority(udev) < LOG_INFO)
+ udev_set_log_priority(udev, LOG_INFO);
break;
case 'x':
export = 1;
@@ -563,7 +551,7 @@ int main(int argc, char *argv[])
node = argv[optind];
if (!node) {
- err("no device\n");
+ err(udev, "no device\n");
fprintf(stderr, "no device\n");
rc = 1;
goto exit;
@@ -571,34 +559,34 @@ int main(int argc, char *argv[])
fd = open(node, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
- info("unable to open '%s'\n", node);
+ info(udev, "unable to open '%s'\n", node);
rc = 1;
goto exit;
}
- info("probing: '%s'\n", node);
+ info(udev, "probing: '%s'\n", node);
/* same data as original cdrom_id */
- if (cd_capability_compat(fd) < 0) {
+ if (cd_capability_compat(udev, fd) < 0) {
rc = 1;
goto exit;
}
/* check drive */
- if (cd_inquiry(fd) < 0) {
+ if (cd_inquiry(udev, fd) < 0) {
rc = 2;
goto exit;
}
/* read drive and possibly current profile */
- if (cd_profiles(fd) < 0)
+ if (cd_profiles(udev, fd) < 0)
goto print;
/* get session/track info */
- if (cd_media_toc(fd) < 0)
+ if (cd_media_toc(udev, fd) < 0)
goto print;
/* get writable media state */
- if (cd_media_info(fd) < 0)
+ if (cd_media_info(udev, fd) < 0)
goto print;
print:
@@ -702,6 +690,7 @@ print:
exit:
if (fd >= 0)
close(fd);
+ udev_unref(udev);
logging_close();
return rc;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-25 16:15:50 +0000