From 1e166c13aaabe8d2aad1d604c77020a14dc577cd Mon Sep 17 00:00:00 2001
From: open-license-manager <rillf@maildrop.cc>
Date: 周二, 16 9月 2014 06:22:21 +0800
Subject: [PATCH] refactorings
---
src/library/os/linux/os-linux.c | 286 +++++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 255 insertions(+), 31 deletions(-)
diff --git a/src/library/os/linux/os-linux.c b/src/library/os/linux/os-linux.c
index b316c17..2373985 100644
--- a/src/library/os/linux/os-linux.c
+++ b/src/library/os/linux/os-linux.c
@@ -1,15 +1,18 @@
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE /* To get defns of NI_MAXSERV and NI_MAXHOST */
+#endif
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netdb.h>
#include <ifaddrs.h>
#include <stdio.h>
+#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <linux/if_link.h>
#include <sys/socket.h>
#include <netpacket/packet.h>
-
+#include <valgrind/memcheck.h>
#include <paths.h>
#include <stdlib.h>
@@ -19,12 +22,20 @@
#include <sys/ioctl.h>
#include <sys/stat.h>
#include "../os.h"
-#include "../../base/public-key.h"
+#include "public-key.h"
#include <openssl/evp.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/err.h>
+
+#include <mntent.h>
+#include <dirent.h>
+#include <stdio.h>
+
+#include <dbus-1.0/dbus/dbus.h>
+#include <sys/utsname.h>
+
static int ifname_position(char *ifnames, char * ifname, int ifnames_max) {
int i, position;
@@ -39,20 +50,25 @@
}
-FUNCTION_RETURN getAdapterInfos(AdapterInfo * adapterInfos,
+FUNCTION_RETURN getAdapterInfos(OsAdapterInfo * adapterInfos,
size_t * adapter_info_size) {
- FUNCTION_RETURN f_return = OK;
+ FUNCTION_RETURN f_return = FUNC_RET_OK;
struct ifaddrs *ifaddr, *ifa;
- int family, i, s, n, if_name_position;
+ int family, i, n, if_name_position;
unsigned int if_num, if_max;
- char host[NI_MAXHOST];
+ //char host[NI_MAXHOST];
char *ifnames;
if (getifaddrs(&ifaddr) == -1) {
perror("getifaddrs");
- return ERROR;
+ return FUNC_RET_ERROR;
}
+
+ if (adapterInfos != NULL) {
+ memset(adapterInfos, 0, (*adapter_info_size) * sizeof(OsAdapterInfo));
+ }
+
/* count the maximum number of interfaces */
for (ifa = ifaddr, if_max = 0; ifa != NULL; ifa = ifa->ifa_next, n++) {
if (ifa->ifa_addr == NULL) {
@@ -77,7 +93,7 @@
strncpy(&ifnames[if_num * NI_MAXHOST], ifa->ifa_name, NI_MAXHOST);
if (adapterInfos != NULL && if_num < *adapter_info_size) {
strncpy(adapterInfos[if_num].description, ifa->ifa_name,
- NI_MAXHOST);
+ NI_MAXHOST);
}
if_name_position = if_num;
if_num++;
@@ -103,17 +119,17 @@
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6), host, NI_MAXHOST,
NULL, 0, NI_NUMERICHOST);
- */
+
#ifdef _DEBUG
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host,
- NI_MAXHOST,
- NULL, 0, NI_NUMERICHOST);
+ NI_MAXHOST,
+ NULL, 0, NI_NUMERICHOST);
if (s != 0) {
printf("getnameinfo() failed: %s\n", gai_strerror(s));
}
printf("\t\taddress: <%s>\n", host);
#endif
-
+*/
if (adapterInfos != NULL && if_name_position < *adapter_info_size) {
struct sockaddr_in *s1 = (struct sockaddr_in*) ifa->ifa_addr;
in_addr_t iaddr = s1->sin_addr.s_addr;
@@ -137,7 +153,7 @@
#endif
}
#ifdef _DEBUG
- printf("\t %s\n", ifa->ifa_name);
+ printf("\t %s\n", ifa->ifa_name);
#endif
}
@@ -146,34 +162,201 @@
*adapter_info_size = if_num;
if (adapterInfos == NULL) {
- f_return = OK;
+ f_return = FUNC_RET_OK;
} else if (*adapter_info_size < if_num) {
- f_return = BUFFER_TOO_SMALL;
+ f_return = FUNC_RET_BUFFER_TOO_SMALL;
}
freeifaddrs(ifaddr);
+ free(ifnames);
return f_return;
}
+/**
+ *Usually uuid are hex number separated by "-". this method read up to 8 hex
+ *numbers skipping - characters.
+ *@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;
+ unsigned int i, j;
+ char * hexuuid;
+ unsigned char cur_character;
+ //remove characters not in hex set
+ len = strlen(uuid);
+ hexuuid = (char *) malloc(sizeof(char) * strlen(uuid));
+ memset(buffer_out, 0, out_size);
+ memset(hexuuid, 0, sizeof(char) * strlen(uuid));
-FUNCTION_RETURN getDiskInfos(DiskInfo * diskInfos, size_t * disk_info_size) {
- struct stat filename_stat, mount_stat;
- static char discard[1024];
- char device[64], name[64], type[64];
- FILE *mounts = fopen(_PATH_MOUNTED, "r");
- if (mounts == NULL) {
- return ERROR;
- }
-
- while (fscanf(mounts, "%64s %64s %64s %1024[^\n]", device, name, type,
- discard) != EOF) {
- if (stat(device, &mount_stat) != 0)
+ for (i = 0, j = 0; i < len; i++) {
+ if (isxdigit(uuid[i])) {
+ hexuuid[j] = uuid[i];
+ j++;
+ } else {
+ //skip
continue;
- if (filename_stat.st_dev == mount_stat.st_rdev) {
- fprintf(stderr, "device: %s; name: %s; type: %s\n", device, name,
- type);
}
}
+ if (j % 2 == 1) {
+ hexuuid[j++] = '0';
+ }
+ hexuuid[j] = '\0';
+ for (i = 0; i < j / 2; i++) {
+ sscanf(&hexuuid[i * 2], "%2hhx", &cur_character);
+ buffer_out[i % out_size] = buffer_out[i % out_size] ^ cur_character;
+ }
- return ERROR;
+ free(hexuuid);
+}
+
+#define MAX_UNITS 20
+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];
+ */
+ char cur_dir[MAX_PATH];
+ 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;
+ FUNCTION_RETURN result;
+
+ if (diskInfos != NULL) {
+ maxDrives = *disk_info_size;
+ tmpDrives = diskInfos;
+ } else {
+ maxDrives = MAX_UNITS;
+ 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);
+ ;
+
+ aFile = setmntent("/proc/mounts", "r");
+ if (aFile == NULL) {
+ /*proc not mounted*/
+ 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 (stat(ent->mnt_fsname, &mount_stat) == 0) {
+ drive_found = -1;
+ for (i = 0; i < currentDrive; i++) {
+ if (statDrives[i] == mount_stat.st_ino) {
+ drive_found = i;
+ }
+ }
+ if (drive_found == -1) {
+#ifdef _DEBUG
+ printf("mntent: %s %s %d\n", ent->mnt_fsname, ent->mnt_dir,
+ mount_stat.st_ino);
+#endif
+ strcpy(tmpDrives[currentDrive].device, ent->mnt_fsname);
+ statDrives[currentDrive] = mount_stat.st_ino;
+ drive_found = currentDrive;
+ currentDrive++;
+ }
+ if (strcmp(ent->mnt_dir, "/") == 0) {
+ strcpy(tmpDrives[drive_found].label, "root");
+#ifdef _DEBUG
+ printf("drive %s set to preferred\n", ent->mnt_fsname);
+#endif
+ tmpDrives[drive_found].preferred = true;
+ }
+ }
+ }
+ }
+ endmntent(aFile);
+
+ if (diskInfos == NULL) {
+ *disk_info_size = currentDrive;
+ free(tmpDrives);
+ result = FUNC_RET_OK;
+ } else if (*disk_info_size >= currentDrive) {
+ disk_by_uuid_dir = opendir("/dev/disk/by-uuid");
+ if (disk_by_uuid_dir == NULL) {
+#ifdef _DEBUG
+ printf("Open /dev/disk/by-uuid fail");
+#endif
+ free(statDrives);
+ return FUNC_RET_ERROR;
+ }
+ result = FUNC_RET_OK;
+ *disk_info_size = currentDrive;
+ while ((dir = readdir(disk_by_uuid_dir)) != NULL) {
+ strcpy(cur_dir, "/dev/disk/by-uuid/");
+ strncat(cur_dir, dir->d_name, 200);
+ 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));
+#ifdef _DEBUG
+ VALGRIND_CHECK_VALUE_IS_DEFINED(tmpDrives[i].device);
+
+ printf("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
+ }
+ }
+ }
+ }
+ closedir(disk_by_uuid_dir);
+
+ disk_by_label = opendir("/dev/disk/by-label");
+ if (disk_by_label != NULL) {
+ while ((dir = readdir(disk_by_label)) != NULL) {
+ strcpy(cur_dir, "/dev/disk/by-label/");
+ strcat(cur_dir, dir->d_name);
+ 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);
+ }
+ }
+ }
+ }
+ closedir(disk_by_label);
+ }
+ } else {
+ result = FUNC_RET_BUFFER_TOO_SMALL;
+ }
+ /*
+ FILE *mounts = fopen(_PATH_MOUNTED, "r");
+ if (mounts == NULL) {
+ return ERROR;
+ }
+
+ while (fscanf(mounts, "%64s %64s %64s %1024[^\n]", device, name, type,
+ discard) != EOF) {
+ if (stat(device, &mount_stat) != 0)
+ continue;
+ if (filename_stat.st_dev == mount_stat.st_rdev) {
+ fprintf(stderr, "device: %s; name: %s; type: %s\n", device, name,
+ type);
+ }
+ }
+ */
+ free(statDrives);
+ return result;
}
void os_initialize() {
@@ -184,6 +367,28 @@
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)
+ );
+}
+
+FUNCTION_RETURN getCpuId(unsigned char identifier[6]) {
+ unsigned int i;
+ unsigned int cpuinfo[4] = { 0, 0, 0, 0 };
+ _getCpuid(cpuinfo, 0);
+ for (i = 0; i < 3; i++) {
+ identifier[i * 2] = cpuinfo[i] & 0xFF;
+ identifier[i * 2 + 1] = (cpuinfo[i] & 0xFF00) >> 8;
+ }
+ return FUNC_RET_OK;
}
VIRTUALIZATION getVirtualization() {
@@ -209,3 +414,22 @@
return NONE;
}
+FUNCTION_RETURN getMachineName(unsigned char identifier[6]) {
+ static struct utsname u;
+
+ if (uname(&u) < 0) {
+ return FUNC_RET_ERROR;
+ }
+ memcpy(identifier, u.nodename, 6);
+ return FUNC_RET_OK;
+}
+
+FUNCTION_RETURN getOsSpecificIdentifier(unsigned char identifier[6]) {
+ char* dbus_id = dbus_get_local_machine_id();
+ if (dbus_id == NULL) {
+ return FUNC_RET_ERROR;
+ }
+ memcpy(identifier, dbus_id, 6);
+ dbus_free(dbus_id);
+ return FUNC_RET_OK;
+}
--
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