From 35087e2c3f200639cf32c96e81cdbb08a5acb8eb Mon Sep 17 00:00:00 2001 From: gcontini <1121667+gcontini@users.noreply.github.com> Date: 周六, 14 3月 2020 23:40:14 +0800 Subject: [PATCH] mingw --- src/library/os/linux/os-linux.cpp | 243 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 243 insertions(+), 0 deletions(-) diff --git a/src/library/os/linux/os-linux.cpp b/src/library/os/linux/os-linux.cpp new file mode 100644 index 0000000..57fb028 --- /dev/null +++ b/src/library/os/linux/os-linux.cpp @@ -0,0 +1,243 @@ +#include <paths.h> +#include <sys/stat.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 + +/** + *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) { + unsigned int i, j; + char *hexuuid; + unsigned char cur_character; + // 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) * len); + + for (i = 0, j = 0; i < len; i++) { + if (isxdigit(uuid[i])) { + hexuuid[j] = uuid[i]; + j++; + } else { + // skip + continue; + } + } + 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; + } + + 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 = 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) { + 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*/ + 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, "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++) { + if (statDrives[i] == mount_stat.st_ino) { + drive_found = i; + } + } + if (drive_found == -1) { + LOG_DEBUG("mntent: %s %s %d\n", ent->mnt_fsname, ent->mnt_dir, + (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++; + } + if (strcmp(ent->mnt_dir, "/") == 0) { + strcpy(tmpDrives[drive_found].label, "root"); + LOG_DEBUG("drive %s set to preferred\n", ent->mnt_fsname); + tmpDrives[drive_found].preferred = 1; + } else { + tmpDrives[drive_found].preferred = 0; + } + } + } + } + endmntent(aFile); + + if (diskInfos == NULL) { + *disk_info_size = currentDrive; + free(tmpDrives); + 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) { + LOG_WARN("Open /dev/disk/by-uuid fail"); + 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); + + 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 + } + } + } + } + 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 - 1); + printf("label %d %s %s\n", i, tmpDrives[i].label, tmpDrives[i].device); + } + } + } + } + closedir(disk_by_label); + } + } else { + result = FUNC_RET_BUFFER_TOO_SMALL; + } + free(statDrives); + return result; +} + +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; +} + + + +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]) { +#if USE_DBUS + 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; +#else + return FUNC_RET_NOT_AVAIL; +#endif +} + +FUNCTION_RETURN getModuleName(char buffer[MAX_PATH]) { + FUNCTION_RETURN result; + char path[MAX_PATH] = {0}; + char proc_path[MAX_PATH], pidStr[64]; + pid_t pid = getpid(); + sprintf(pidStr, "%d", pid); + strcpy(proc_path, "/proc/"); + strcat(proc_path, pidStr); + strcat(proc_path, "/exe"); + + int ch = readlink(proc_path, path, MAX_PATH - 1); + if (ch != -1) { + path[ch] = '\0'; + strncpy(buffer, path, ch); + result = FUNC_RET_OK; + } else { + result = FUNC_RET_ERROR; + } + return result; +} -- Gitblit v1.9.1