summaryrefslogtreecommitdiff
path: root/src/scsi_id/scsi_id.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/scsi_id/scsi_id.c')
-rw-r--r--src/scsi_id/scsi_id.c183
1 files changed, 90 insertions, 93 deletions
diff --git a/src/scsi_id/scsi_id.c b/src/scsi_id/scsi_id.c
index 58a54d4a63..849453f8eb 100644
--- a/src/scsi_id/scsi_id.c
+++ b/src/scsi_id/scsi_id.c
@@ -18,13 +18,14 @@
#include <stdio.h>
#include <stdlib.h>
+#include <stdarg.h>
+#include <stdbool.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <syslog.h>
-#include <stdarg.h>
#include <ctype.h>
#include <getopt.h>
#include <sys/stat.h>
@@ -32,34 +33,31 @@
#include "libudev.h"
#include "libudev-private.h"
#include "scsi_id.h"
+#include "udev-util.h"
static const struct option options[] = {
- { "device", required_argument, NULL, 'd' },
- { "config", required_argument, NULL, 'f' },
- { "page", required_argument, NULL, 'p' },
- { "blacklisted", no_argument, NULL, 'b' },
- { "whitelisted", no_argument, NULL, 'g' },
- { "replace-whitespace", no_argument, NULL, 'u' },
- { "sg-version", required_argument, NULL, 's' },
- { "verbose", no_argument, NULL, 'v' },
- { "version", no_argument, NULL, 'V' },
- { "export", no_argument, NULL, 'x' },
- { "help", no_argument, NULL, 'h' },
+ { "device", required_argument, NULL, 'd' },
+ { "config", required_argument, NULL, 'f' },
+ { "page", required_argument, NULL, 'p' },
+ { "blacklisted", no_argument, NULL, 'b' },
+ { "whitelisted", no_argument, NULL, 'g' },
+ { "replace-whitespace", no_argument, NULL, 'u' },
+ { "sg-version", required_argument, NULL, 's' },
+ { "verbose", no_argument, NULL, 'v' },
+ { "version", no_argument, NULL, 'V' }, /* don't advertise -V */
+ { "export", no_argument, NULL, 'x' },
+ { "help", no_argument, NULL, 'h' },
{}
};
-static const char short_options[] = "d:f:ghip:uvVx";
-static const char dev_short_options[] = "bgp:";
-
-static int all_good;
-static int dev_specified;
+static bool all_good = false;
+static bool dev_specified = false;
static char config_file[MAX_PATH_LEN] = "/etc/scsi_id.config";
-static enum page_code default_page_code;
+static enum page_code default_page_code = PAGE_UNSPECIFIED;
static int sg_version = 4;
-static int use_stderr;
-static int debug;
-static int reformat_serial;
-static int export;
+static int debug = 0;
+static bool reformat_serial = false;
+static bool export = false;
static char vendor_str[64];
static char model_str[64];
static char vendor_enc_str[256];
@@ -173,7 +171,7 @@ static int get_file_options(struct udev *udev,
int *argc, char ***newargv)
{
char *buffer;
- FILE *fd;
+ _cleanup_fclose_ FILE *f;
char *buf;
char *str1;
char *vendor_in, *model_in, *options_in; /* read in from file */
@@ -181,12 +179,12 @@ static int get_file_options(struct udev *udev,
int c;
int retval = 0;
- fd = fopen(config_file, "re");
- if (fd == NULL) {
- if (errno == ENOENT) {
+ f = fopen(config_file, "re");
+ if (f == NULL) {
+ if (errno == ENOENT)
return 1;
- } else {
- log_error("can't open %s: %s\n", config_file, strerror(errno));
+ else {
+ log_error("can't open %s: %m", config_file);
return -1;
}
}
@@ -197,22 +195,20 @@ static int get_file_options(struct udev *udev,
* points into this buffer for its strings).
*/
buffer = malloc(MAX_BUFFER_LEN);
- if (!buffer) {
- fclose(fd);
+ if (!buffer)
return log_oom();
- }
*newargv = NULL;
lineno = 0;
while (1) {
vendor_in = model_in = options_in = NULL;
- buf = fgets(buffer, MAX_BUFFER_LEN, fd);
+ buf = fgets(buffer, MAX_BUFFER_LEN, f);
if (buf == NULL)
break;
lineno++;
if (buf[strlen(buffer) - 1] != '\n') {
- log_error("Config file line %d too long\n", lineno);
+ log_error("Config file line %d too long", lineno);
break;
}
@@ -261,17 +257,17 @@ static int get_file_options(struct udev *udev,
* Only allow: [vendor=foo[,model=bar]]options=stuff
*/
if (!options_in || (!vendor_in && model_in)) {
- log_error("Error parsing config file line %d '%s'\n", lineno, buffer);
+ log_error("Error parsing config file line %d '%s'", lineno, buffer);
retval = -1;
break;
}
if (vendor == NULL) {
if (vendor_in == NULL)
break;
- } else if ((vendor_in && strneq(vendor, vendor_in,
- strlen(vendor_in))) &&
- (!model_in || (strneq(model, model_in,
- strlen(model_in))))) {
+ } else if (vendor_in &&
+ strneq(vendor, vendor_in, strlen(vendor_in)) &&
+ (!model_in ||
+ (strneq(model, model_in, strlen(model_in))))) {
/*
* Matched vendor and optionally model.
*
@@ -314,12 +310,27 @@ static int get_file_options(struct udev *udev,
}
if (retval != 0)
free(buffer);
- fclose(fd);
return retval;
}
+static void help(void) {
+ printf("Usage: scsi_id [OPTION...] DEVICE\n"
+ " -d,--device= device node for SG_IO commands\n"
+ " -f,--config= location of config file\n"
+ " -p,--page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n"
+ " -s,--sg-version=3|4 use SGv3 or SGv4\n"
+ " -b,--blacklisted threat device as blacklisted\n"
+ " -g,--whitelisted threat device as whitelisted\n"
+ " -u,--replace-whitespace replace all whitespace by underscores\n"
+ " -v,--verbose verbose logging\n"
+ " --version print version\n"
+ " -x,--export print values as environment keys\n"
+ " -h,--help print this help text\n\n");
+
+}
+
static int set_options(struct udev *udev,
- int argc, char **argv, const char *short_opts,
+ int argc, char **argv,
char *maj_min_dev)
{
int option;
@@ -330,57 +341,38 @@ static int set_options(struct udev *udev,
* file) we have to reset this back to 1.
*/
optind = 1;
- while (1) {
- option = getopt_long(argc, argv, short_opts, options, NULL);
- if (option == -1)
- break;
-
+ while ((option = getopt_long(argc, argv, "d:f:gp:uvVxh", options, NULL)) >= 0)
switch (option) {
case 'b':
- all_good = 0;
+ all_good = false;
break;
case 'd':
- dev_specified = 1;
+ dev_specified = true;
strscpy(maj_min_dev, MAX_PATH_LEN, optarg);
break;
- case 'e':
- use_stderr = 1;
- break;
-
case 'f':
strscpy(config_file, MAX_PATH_LEN, optarg);
break;
case 'g':
- all_good = 1;
+ all_good = true;
break;
case 'h':
- printf("Usage: scsi_id OPTIONS <device>\n"
- " --device= device node for SG_IO commands\n"
- " --config= location of config file\n"
- " --page=0x80|0x83|pre-spc3-83 SCSI page (0x80, 0x83, pre-spc3-83)\n"
- " --sg-version=3|4 use SGv3 or SGv4\n"
- " --blacklisted threat device as blacklisted\n"
- " --whitelisted threat device as whitelisted\n"
- " --replace-whitespace replace all whitespaces by underscores\n"
- " --verbose verbose logging\n"
- " --version print version\n"
- " --export print values as environment keys\n"
- " --help print this help text\n\n");
+ help();
exit(0);
case 'p':
- if (streq(optarg, "0x80")) {
+ if (streq(optarg, "0x80"))
default_page_code = PAGE_80;
- } else if (streq(optarg, "0x83")) {
+ else if (streq(optarg, "0x83"))
default_page_code = PAGE_83;
- } else if (streq(optarg, "pre-spc3-83")) {
+ else if (streq(optarg, "pre-spc3-83"))
default_page_code = PAGE_83_PRE_SPC3;
- } else {
- log_error("Unknown page code '%s'\n", optarg);
+ else {
+ log_error("Unknown page code '%s'", optarg);
return -1;
}
break;
@@ -388,17 +380,13 @@ static int set_options(struct udev *udev,
case 's':
sg_version = atoi(optarg);
if (sg_version < 3 || sg_version > 4) {
- log_error("Unknown SG version '%s'\n", optarg);
+ log_error("Unknown SG version '%s'", optarg);
return -1;
}
break;
case 'u':
- reformat_serial = 1;
- break;
-
- case 'x':
- export = 1;
+ reformat_serial = true;
break;
case 'v':
@@ -410,14 +398,22 @@ static int set_options(struct udev *udev,
exit(0);
break;
+ case 'x':
+ export = true;
+ break;
+
+ case '?':
+ return -1;
+
default:
- exit(1);
+ assert_not_reached("Unknown option");
}
- }
+
if (optind < argc && !dev_specified) {
- dev_specified = 1;
+ dev_specified = true;
strscpy(maj_min_dev, MAX_PATH_LEN, argv[optind]);
}
+
return 0;
}
@@ -436,7 +432,7 @@ static int per_dev_options(struct udev *udev,
optind = 1; /* reset this global extern */
while (retval == 0) {
- option = getopt_long(newargc, newargv, dev_short_options, options, NULL);
+ option = getopt_long(newargc, newargv, "bgp:", options, NULL);
if (option == -1)
break;
@@ -457,13 +453,13 @@ static int per_dev_options(struct udev *udev,
} else if (streq(optarg, "pre-spc3-83")) {
*page_code = PAGE_83_PRE_SPC3;
} else {
- log_error("Unknown page code '%s'\n", optarg);
+ log_error("Unknown page code '%s'", optarg);
retval = -1;
}
break;
default:
- log_error("Unknown or bad option '%c' (0x%x)\n", option, option);
+ log_error("Unknown or bad option '%c' (0x%x)", option, option);
retval = -1;
break;
}
@@ -505,13 +501,11 @@ static int set_inq_values(struct udev *udev, struct scsi_id_device *dev_scsi, co
*/
static int scsi_id(struct udev *udev, char *maj_min_dev)
{
- struct scsi_id_device dev_scsi;
+ struct scsi_id_device dev_scsi = {};
int good_dev;
int page_code;
int retval = 0;
- memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device));
-
if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) {
retval = 1;
goto out;
@@ -584,11 +578,11 @@ out:
int main(int argc, char **argv)
{
- struct udev *udev;
+ _cleanup_udev_unref_ struct udev *udev;
int retval = 0;
char maj_min_dev[MAX_PATH_LEN];
int newargc;
- char **newargv;
+ char **newargv = NULL;
udev = udev_new();
if (udev == NULL)
@@ -600,28 +594,28 @@ int main(int argc, char **argv)
/*
* Get config file options.
*/
- newargv = NULL;
retval = get_file_options(udev, NULL, NULL, &newargc, &newargv);
if (retval < 0) {
retval = 1;
goto exit;
}
- if (newargv && (retval == 0)) {
- if (set_options(udev, newargc, newargv, short_options, maj_min_dev) < 0) {
+ if (retval == 0) {
+ assert(newargv);
+
+ if (set_options(udev, newargc, newargv, maj_min_dev) < 0) {
retval = 2;
goto exit;
}
- free(newargv);
}
/*
* Get command line options (overriding any config file settings).
*/
- if (set_options(udev, argc, argv, short_options, maj_min_dev) < 0)
+ if (set_options(udev, argc, argv, maj_min_dev) < 0)
exit(1);
if (!dev_specified) {
- log_error("no device specified\n");
+ log_error("no device specified");
retval = 1;
goto exit;
}
@@ -629,7 +623,10 @@ int main(int argc, char **argv)
retval = scsi_id(udev, maj_min_dev);
exit:
- udev_unref(udev);
+ if (newargv) {
+ free(newargv[0]);
+ free(newargv);
+ }
log_close();
return retval;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-23 05:21:54 +0000