From 22b6427979a71c23d795cb351a84210342b5d352 Mon Sep 17 00:00:00 2001
From: Gabriele Contini <contini.mailing@gmail.com>
Date: ćšć, 09 1æ 2020 10:19:22 +0800
Subject: [PATCH] pc identifiers intermediate work
---
src/library/os/linux/os-linux.c | 137 +++++++++++++++------------------------------
1 files changed, 47 insertions(+), 90 deletions(-)
diff --git a/src/library/os/os-linux.c b/src/library/os/linux/os-linux.c
similarity index 63%
rename from src/library/os/os-linux.c
rename to src/library/os/linux/os-linux.c
index 717373a..1dc23cb 100644
--- a/src/library/os/os-linux.c
+++ b/src/library/os/linux/os-linux.c
@@ -1,17 +1,16 @@
#include <paths.h>
#include <sys/stat.h>
-#include "os.h"
-#include "../base/logger.h"
-
-//#include <openssl/evp.h>
-//#include <openssl/bio.h>
-#include <openssl/pem.h>
-#include <openssl/err.h>
+#include <stdio.h>
+#include "../os.h"
+#include "../../base/logger.h"
#include <mntent.h>
#include <dirent.h>
-
#include <sys/utsname.h>
+#ifdef _DEBUG
+#include <valgrind/memcheck.h>
+#endif
+
#ifdef USE_DBUS
#include <dbus-1.0/dbus/dbus.h>
#endif
@@ -22,24 +21,22 @@
*@param uuid uuid as read in /dev/disk/by-uuid
*@param buffer_out: unsigned char buffer[8] output buffer for result
*/
-static void parseUUID(const char *uuid, unsigned char* buffer_out,
- unsigned int out_size) {
- size_t len;
+static void parseUUID(const char *uuid, unsigned char *buffer_out, unsigned int out_size) {
unsigned int i, j;
- char * hexuuid;
+ char *hexuuid;
unsigned char cur_character;
- //remove characters not in hex set
- len = strlen(uuid);
- hexuuid = (char *) malloc(sizeof(char) * strlen(uuid));
+ // remove characters not in hex set
+ size_t len = strlen(uuid);
+ hexuuid = (char *)malloc(sizeof(char) * len);
memset(buffer_out, 0, out_size);
- memset(hexuuid, 0, sizeof(char) * strlen(uuid));
+ memset(hexuuid, 0, sizeof(char) * len);
for (i = 0, j = 0; i < len; i++) {
if (isxdigit(uuid[i])) {
hexuuid[j] = uuid[i];
j++;
} else {
- //skip
+ // skip
continue;
}
}
@@ -56,7 +53,7 @@
}
#define MAX_UNITS 20
-FUNCTION_RETURN getDiskInfos(DiskInfo * diskInfos, size_t * disk_info_size) {
+FUNCTION_RETURN getDiskInfos(DiskInfo *diskInfos, size_t *disk_info_size) {
struct stat mount_stat, sym_stat;
/*static char discard[1024];
char device[64], name[64], type[64];
@@ -65,11 +62,11 @@
struct mntent *ent;
int maxDrives, currentDrive, i, drive_found;
- __ino64_t *statDrives;
- DiskInfo *tmpDrives;
- FILE *aFile;
- DIR *disk_by_uuid_dir, *disk_by_label;
- struct dirent *dir;
+ __ino64_t *statDrives = NULL;
+ DiskInfo *tmpDrives = NULL;
+ FILE *aFile = NULL;
+ DIR *disk_by_uuid_dir = NULL, *disk_by_label = NULL;
+ struct dirent *dir = NULL;
FUNCTION_RETURN result;
if (diskInfos != NULL) {
@@ -77,26 +74,25 @@
tmpDrives = diskInfos;
} else {
maxDrives = MAX_UNITS;
- tmpDrives = (DiskInfo *) malloc(sizeof(DiskInfo) * maxDrives);
+ tmpDrives = (DiskInfo *)malloc(sizeof(DiskInfo) * maxDrives);
}
memset(tmpDrives, 0, sizeof(DiskInfo) * maxDrives);
- statDrives = (__ino64_t *) malloc(maxDrives * sizeof(__ino64_t ));
- memset(statDrives, 0, sizeof(__ino64_t ) * maxDrives);
- ;
+ statDrives = (__ino64_t *)malloc(maxDrives * sizeof(__ino64_t));
+ memset(statDrives, 0, sizeof(__ino64_t) * maxDrives);
aFile = setmntent("/proc/mounts", "r");
if (aFile == NULL) {
/*proc not mounted*/
+ free(tmpDrives);
+ free(statDrives);
return FUNC_RET_ERROR;
}
currentDrive = 0;
while (NULL != (ent = getmntent(aFile))) {
- if ((strncmp(ent->mnt_type, "ext", 3) == 0
- || strncmp(ent->mnt_type, "vfat", 4) == 0
- || strncmp(ent->mnt_type, "ntfs", 4) == 0)
- && ent->mnt_fsname != NULL
- && strncmp(ent->mnt_fsname, "/dev/", 5) == 0) {
+ if ((strncmp(ent->mnt_type, "ext", 3) == 0 || strncmp(ent->mnt_type, "xfs", 3) == 0 ||
+ strncmp(ent->mnt_type, "vfat", 4) == 0 || strncmp(ent->mnt_type, "ntfs", 4) == 0) &&
+ ent->mnt_fsname != NULL && strncmp(ent->mnt_fsname, "/dev/", 5) == 0) {
if (stat(ent->mnt_fsname, &mount_stat) == 0) {
drive_found = -1;
for (i = 0; i < currentDrive; i++) {
@@ -106,8 +102,8 @@
}
if (drive_found == -1) {
LOG_DEBUG("mntent: %s %s %d\n", ent->mnt_fsname, ent->mnt_dir,
- (unsigned long int)mount_stat.st_ino);
- strcpy(tmpDrives[currentDrive].device, ent->mnt_fsname);
+ (unsigned long int)mount_stat.st_ino);
+ strncpy(tmpDrives[currentDrive].device, ent->mnt_fsname, 255 - 1);
statDrives[currentDrive] = mount_stat.st_ino;
drive_found = currentDrive;
currentDrive++;
@@ -125,7 +121,7 @@
if (diskInfos == NULL) {
*disk_info_size = currentDrive;
free(tmpDrives);
- result = FUNC_RET_OK;
+ result = (currentDrive > 0) ? FUNC_RET_OK : FUNC_RET_NOT_AVAIL;
} else if (*disk_info_size >= currentDrive) {
disk_by_uuid_dir = opendir("/dev/disk/by-uuid");
if (disk_by_uuid_dir == NULL) {
@@ -141,17 +137,12 @@
if (stat(cur_dir, &sym_stat) == 0) {
for (i = 0; i < currentDrive; i++) {
if (sym_stat.st_ino == statDrives[i]) {
- parseUUID(dir->d_name, tmpDrives[i].disk_sn,
- sizeof(tmpDrives[i].disk_sn));
+ parseUUID(dir->d_name, tmpDrives[i].disk_sn, sizeof(tmpDrives[i].disk_sn));
#ifdef _DEBUG
VALGRIND_CHECK_VALUE_IS_DEFINED(tmpDrives[i].device);
- LOG_DEBUG("uuid %d %s %02x%02x%02x%02x\n", i,
- tmpDrives[i].device,
- tmpDrives[i].disk_sn[0],
- tmpDrives[i].disk_sn[1],
- tmpDrives[i].disk_sn[2],
- tmpDrives[i].disk_sn[3]);
+ LOG_DEBUG("uuid %d %s %02x%02x%02x%02x\n", i, tmpDrives[i].device, tmpDrives[i].disk_sn[0],
+ tmpDrives[i].disk_sn[1], tmpDrives[i].disk_sn[2], tmpDrives[i].disk_sn[3]);
#endif
}
}
@@ -167,9 +158,8 @@
if (stat(cur_dir, &sym_stat) == 0) {
for (i = 0; i < currentDrive; i++) {
if (sym_stat.st_ino == statDrives[i]) {
- strncpy(tmpDrives[i].label, dir->d_name, 255);
- printf("label %d %s %s\n", i, tmpDrives[i].label,
- tmpDrives[i].device);
+ strncpy(tmpDrives[i].label, dir->d_name, 255 - 1);
+ printf("label %d %s %s\n", i, tmpDrives[i].label, tmpDrives[i].device);
}
}
}
@@ -199,30 +189,18 @@
return result;
}
-void os_initialize() {
- static int initialized = 0;
- if (initialized == 0) {
- initialized = 1;
- ERR_load_ERR_strings();
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- }
-}
-
-static void _getCpuid(unsigned int* p, unsigned int ax) {
- __asm __volatile
- ( "movl %%ebx, %%esi\n\t"
- "cpuid\n\t"
- "xchgl %%ebx, %%esi"
- : "=a" (p[0]), "=S" (p[1]),
- "=c" (p[2]), "=d" (p[3])
- : "0" (ax)
- );
+static void _getCpuid(unsigned int *p, unsigned int ax) {
+ __asm __volatile(
+ "movl %%ebx, %%esi\n\t"
+ "cpuid\n\t"
+ "xchgl %%ebx, %%esi"
+ : "=a"(p[0]), "=S"(p[1]), "=c"(p[2]), "=d"(p[3])
+ : "0"(ax));
}
FUNCTION_RETURN getCpuId(unsigned char identifier[6]) {
unsigned int i;
- unsigned int cpuinfo[4] = { 0, 0, 0, 0 };
+ unsigned int cpuinfo[4] = {0, 0, 0, 0};
_getCpuid(cpuinfo, 0);
for (i = 0; i < 3; i++) {
identifier[i * 2] = cpuinfo[i] & 0xFF;
@@ -231,28 +209,7 @@
return FUNC_RET_OK;
}
-VIRTUALIZATION getVirtualization() {
-//http://www.ibiblio.org/gferg/ldp/GCC-Inline-Assembly-HOWTO.html
-//
-//bool rc = true;
- /*__asm__ (
- "push %edx\n"
- "push %ecx\n"
- "push %ebx\n"
- "mov %eax, 'VMXh'\n"
- "mov %ebx, 0\n" // any value but not the MAGIC VALUE
- "mov %ecx, 10\n"// get VMWare version
- "mov %edx, 'VX'\n"// port number
- "in %eax, dx\n"// read port on return EAX returns the VERSION
- "cmp %ebx, 'VMXh'\n"// is it a reply from VMWare?
- "setz [rc] \n"// set return value
- "pop %ebx \n"
- "pop %ecx \n"
- "pop %edx \n"
- );*/
- return NONE;
-}
FUNCTION_RETURN getMachineName(unsigned char identifier[6]) {
static struct utsname u;
@@ -266,7 +223,7 @@
FUNCTION_RETURN getOsSpecificIdentifier(unsigned char identifier[6]) {
#if USE_DBUS
- char* dbus_id = dbus_get_local_machine_id();
+ char *dbus_id = dbus_get_local_machine_id();
if (dbus_id == NULL) {
return FUNC_RET_ERROR;
}
@@ -280,7 +237,7 @@
FUNCTION_RETURN getModuleName(char buffer[MAX_PATH]) {
FUNCTION_RETURN result;
- char path[MAX_PATH] = { 0 };
+ char path[MAX_PATH] = {0};
char proc_path[MAX_PATH], pidStr[64];
pid_t pid = getpid();
sprintf(pidStr, "%d", pid);
@@ -288,7 +245,7 @@
strcat(proc_path, pidStr);
strcat(proc_path, "/exe");
- int ch = readlink(proc_path, path, MAX_PATH);
+ int ch = readlink(proc_path, path, MAX_PATH - 1);
if (ch != -1) {
path[ch] = '\0';
strncpy(buffer, path, ch);
--
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