diff options
36 files changed, 486 insertions, 237 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 09d13bf1c0..bc4466399f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1342,6 +1342,13 @@ F: include/qemu/throttle.h F: util/throttle.c L: qemu-block@nongnu.org +UUID +M: Fam Zheng <famz@redhat.com> +S: Supported +F: util/uuid.c +F: include/qemu/uuid.h +F: tests/test-uuid.c + Usermode Emulation ------------------ Overall diff --git a/arch_init.c b/arch_init.c index fa059731ed..5cc58b2c35 100644 --- a/arch_init.c +++ b/arch_init.c @@ -235,25 +235,6 @@ void audio_init(void) } } -int qemu_uuid_parse(const char *str, uint8_t *uuid) -{ - int ret; - - if (strlen(str) != 36) { - return -1; - } - - ret = sscanf(str, UUID_FMT, &uuid[0], &uuid[1], &uuid[2], &uuid[3], - &uuid[4], &uuid[5], &uuid[6], &uuid[7], &uuid[8], &uuid[9], - &uuid[10], &uuid[11], &uuid[12], &uuid[13], &uuid[14], - &uuid[15]); - - if (ret != 16) { - return -1; - } - return 0; -} - void do_acpitable_option(const QemuOpts *opts) { #ifdef TARGET_I386 diff --git a/block/Makefile.objs b/block/Makefile.objs index cb158e9275..7d4031dae5 100644 --- a/block/Makefile.objs +++ b/block/Makefile.objs @@ -2,7 +2,7 @@ block-obj-y += raw_bsd.o qcow.o vdi.o vmdk.o cloop.o bochs.o vpc.o vvfat.o dmg.o block-obj-y += qcow2.o qcow2-refcount.o qcow2-cluster.o qcow2-snapshot.o qcow2-cache.o block-obj-y += qed.o qed-gencb.o qed-l2-cache.o qed-table.o qed-cluster.o block-obj-y += qed-check.o -block-obj-$(CONFIG_VHDX) += vhdx.o vhdx-endian.o vhdx-log.o +block-obj-y += vhdx.o vhdx-endian.o vhdx-log.o block-obj-y += quorum.o block-obj-y += parallels.o blkdebug.o blkverify.o blkreplay.o block-obj-y += block-backend.o snapshot.o qapi.o diff --git a/block/iscsi.c b/block/iscsi.c index 8a940317d6..dff548a139 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -36,7 +36,7 @@ #include "block/block_int.h" #include "block/scsi.h" #include "qemu/iov.h" -#include "sysemu/sysemu.h" +#include "qemu/uuid.h" #include "qmp-commands.h" #include "qapi/qmp/qstring.h" #include "crypto/secret.h" diff --git a/block/vdi.c b/block/vdi.c index 8a1cf97928..96b78d5a43 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -58,14 +58,7 @@ #include "migration/migration.h" #include "qemu/coroutine.h" #include "qemu/cutils.h" - -#if defined(CONFIG_UUID) -#include <uuid/uuid.h> -#else -/* TODO: move uuid emulation to some central place in QEMU. */ -#include "sysemu/sysemu.h" /* UUID_FMT */ -typedef unsigned char uuid_t[16]; -#endif +#include "qemu/uuid.h" /* Code configuration options. */ @@ -140,28 +133,6 @@ typedef unsigned char uuid_t[16]; #define VDI_DISK_SIZE_MAX ((uint64_t)VDI_BLOCKS_IN_IMAGE_MAX * \ (uint64_t)DEFAULT_CLUSTER_SIZE) -#if !defined(CONFIG_UUID) -static inline void uuid_generate(uuid_t out) -{ - memset(out, 0, sizeof(uuid_t)); -} - -static inline int uuid_is_null(const uuid_t uu) -{ - uuid_t null_uuid = { 0 }; - return memcmp(uu, null_uuid, sizeof(uuid_t)) == 0; -} - -# if defined(CONFIG_VDI_DEBUG) -static inline void uuid_unparse(const uuid_t uu, char *out) -{ - snprintf(out, 37, UUID_FMT, - uu[0], uu[1], uu[2], uu[3], uu[4], uu[5], uu[6], uu[7], - uu[8], uu[9], uu[10], uu[11], uu[12], uu[13], uu[14], uu[15]); -} -# endif -#endif - typedef struct { char text[0x40]; uint32_t signature; @@ -182,10 +153,10 @@ typedef struct { uint32_t block_extra; /* unused here */ uint32_t blocks_in_image; uint32_t blocks_allocated; - uuid_t uuid_image; - uuid_t uuid_last_snap; - uuid_t uuid_link; - uuid_t uuid_parent; + QemuUUID uuid_image; + QemuUUID uuid_last_snap; + QemuUUID uuid_link; + QemuUUID uuid_parent; uint64_t unused2[7]; } QEMU_PACKED VdiHeader; @@ -206,16 +177,6 @@ typedef struct { Error *migration_blocker; } BDRVVdiState; -/* Change UUID from little endian (IPRT = VirtualBox format) to big endian - * format (network byte order, standard, see RFC 4122) and vice versa. - */ -static void uuid_convert(uuid_t uuid) -{ - bswap32s((uint32_t *)&uuid[0]); - bswap16s((uint16_t *)&uuid[4]); - bswap16s((uint16_t *)&uuid[6]); -} - static void vdi_header_to_cpu(VdiHeader *header) { le32_to_cpus(&header->signature); @@ -234,10 +195,10 @@ static void vdi_header_to_cpu(VdiHeader *header) le32_to_cpus(&header->block_extra); le32_to_cpus(&header->blocks_in_image); le32_to_cpus(&header->blocks_allocated); - uuid_convert(header->uuid_image); - uuid_convert(header->uuid_last_snap); - uuid_convert(header->uuid_link); - uuid_convert(header->uuid_parent); + qemu_uuid_bswap(&header->uuid_image); + qemu_uuid_bswap(&header->uuid_last_snap); + qemu_uuid_bswap(&header->uuid_link); + qemu_uuid_bswap(&header->uuid_parent); } static void vdi_header_to_le(VdiHeader *header) @@ -258,10 +219,10 @@ static void vdi_header_to_le(VdiHeader *header) cpu_to_le32s(&header->block_extra); cpu_to_le32s(&header->blocks_in_image); cpu_to_le32s(&header->blocks_allocated); - uuid_convert(header->uuid_image); - uuid_convert(header->uuid_last_snap); - uuid_convert(header->uuid_link); - uuid_convert(header->uuid_parent); + qemu_uuid_bswap(&header->uuid_image); + qemu_uuid_bswap(&header->uuid_last_snap); + qemu_uuid_bswap(&header->uuid_link); + qemu_uuid_bswap(&header->uuid_parent); } #if defined(CONFIG_VDI_DEBUG) @@ -469,11 +430,11 @@ static int vdi_open(BlockDriverState *bs, QDict *options, int flags, (uint64_t)header.blocks_in_image * header.block_size); ret = -ENOTSUP; goto fail; - } else if (!uuid_is_null(header.uuid_link)) { + } else if (!qemu_uuid_is_null(&header.uuid_link)) { error_setg(errp, "unsupported VDI image (non-NULL link UUID)"); ret = -ENOTSUP; goto fail; - } else if (!uuid_is_null(header.uuid_parent)) { + } else if (!qemu_uuid_is_null(&header.uuid_parent)) { error_setg(errp, "unsupported VDI image (non-NULL parent UUID)"); ret = -ENOTSUP; goto fail; @@ -821,8 +782,8 @@ static int vdi_create(const char *filename, QemuOpts *opts, Error **errp) if (image_type == VDI_TYPE_STATIC) { header.blocks_allocated = blocks; } - uuid_generate(header.uuid_image); - uuid_generate(header.uuid_last_snap); + qemu_uuid_generate(&header.uuid_image); + qemu_uuid_generate(&header.uuid_last_snap); /* There is no need to set header.uuid_link or header.uuid_parent here. */ #if defined(CONFIG_VDI_DEBUG) vdi_header_print(&header); diff --git a/block/vhdx-endian.c b/block/vhdx-endian.c index c306b90d54..429d7556bd 100644 --- a/block/vhdx-endian.c +++ b/block/vhdx-endian.c @@ -21,9 +21,6 @@ #include "qemu/bswap.h" #include "block/vhdx.h" -#include <uuid/uuid.h> - - /* * All the VHDX formats on disk are little endian - the following * are helper import/export functions to correctly convert diff --git a/block/vhdx.c b/block/vhdx.c index 75ef2b1c2d..0ba2f0a2f9 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -25,8 +25,7 @@ #include "qemu/bswap.h" #include "block/vhdx.h" #include "migration/migration.h" - -#include <uuid/uuid.h> +#include "qemu/uuid.h" /* Options for VHDX creation */ @@ -213,11 +212,11 @@ bool vhdx_checksum_is_valid(uint8_t *buf, size_t size, int crc_offset) */ void vhdx_guid_generate(MSGUID *guid) { - uuid_t uuid; + QemuUUID uuid; assert(guid != NULL); - uuid_generate(uuid); - memcpy(guid, uuid, sizeof(MSGUID)); + qemu_uuid_generate(&uuid); + memcpy(guid, &uuid, sizeof(MSGUID)); } /* Check for region overlaps inside the VHDX image */ diff --git a/block/vpc.c b/block/vpc.c index 43707ed22c..8d5886f003 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -30,9 +30,7 @@ #include "qemu/module.h" #include "migration/migration.h" #include "qemu/bswap.h" -#if defined(CONFIG_UUID) -#include <uuid/uuid.h> -#endif +#include "qemu/uuid.h" /**************************************************************/ @@ -89,7 +87,7 @@ typedef struct vhd_footer { uint32_t checksum; /* UUID used to identify a parent hard disk (backing file) */ - uint8_t uuid[16]; + QemuUUID uuid; uint8_t in_saved_state; } QEMU_PACKED VHDFooter; @@ -980,9 +978,7 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp) footer->type = cpu_to_be32(disk_type); -#if defined(CONFIG_UUID) - uuid_generate(footer->uuid); -#endif + qemu_uuid_generate(&footer->uuid); footer->checksum = cpu_to_be32(vpc_checksum(buf, HEADER_SIZE)); @@ -212,7 +212,6 @@ sdlabi="" virtfs="" vnc="yes" sparse="no" -uuid="" vde="" vnc_sasl="" vnc_jpeg="" @@ -317,7 +316,6 @@ vte="" virglrenderer="" tpm="yes" libssh2="" -vhdx="" numa="" tcmalloc="no" jemalloc="no" @@ -887,10 +885,6 @@ for opt do ;; --disable-slirp) slirp="no" ;; - --disable-uuid) uuid="no" - ;; - --enable-uuid) uuid="yes" - ;; --disable-vde) vde="no" ;; --enable-vde) vde="yes" @@ -1103,6 +1097,12 @@ for opt do --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane) echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2 ;; + --enable-vhdx|--disable-vhdx) + echo "$0: $opt is obsolete, VHDX driver is always built" >&2 + ;; + --enable-uuid|--disable-uuid) + echo "$0: $opt is obsolete, UUID support is always built" >&2 + ;; --disable-gtk) gtk="no" ;; --enable-gtk) gtk="yes" @@ -1143,10 +1143,6 @@ for opt do ;; --enable-libssh2) libssh2="yes" ;; - --enable-vhdx) vhdx="yes" - ;; - --disable-vhdx) vhdx="no" - ;; --disable-numa) numa="no" ;; --enable-numa) numa="yes" @@ -1365,7 +1361,6 @@ disabled with --disable-FEATURE, default is enabled if available: bluez bluez stack connectivity kvm KVM acceleration support rdma RDMA-based migration support - uuid uuid support vde support for vde network netmap support for netmap network linux-aio Linux AIO support @@ -1389,7 +1384,6 @@ disabled with --disable-FEATURE, default is enabled if available: archipelago Archipelago backend tpm TPM support libssh2 ssh block device support - vhdx support for the Microsoft VHDX image format numa libnuma support tcmalloc tcmalloc support jemalloc jemalloc support @@ -2662,47 +2656,6 @@ if compile_prog "" "" ; then fi ########################################## -# uuid_generate() probe, used for vdi block driver -# Note that on some systems (notably MacOSX) no extra library -# need be linked to get the uuid functions. -if test "$uuid" != "no" ; then - uuid_libs="-luuid" - cat > $TMPC << EOF -#include <uuid/uuid.h> -int main(void) -{ - uuid_t my_uuid; - uuid_generate(my_uuid); - return 0; -} -EOF - if compile_prog "" "" ; then - uuid="yes" - elif compile_prog "" "$uuid_libs" ; then - uuid="yes" - libs_softmmu="$uuid_libs $libs_softmmu" - libs_tools="$uuid_libs $libs_tools" - else - if test "$uuid" = "yes" ; then - feature_not_found "uuid" "Install libuuid devel" - fi - uuid=no - fi -fi - -if test "$vhdx" = "yes" ; then - if test "$uuid" = "no" ; then - error_exit "uuid required for VHDX support" - fi -elif test "$vhdx" != "no" ; then - if test "$uuid" = "yes" ; then - vhdx=yes - else - vhdx=no - fi -fi - -########################################## # xfsctl() probe, used for raw-posix if test "$xfs" != "no" ; then cat > $TMPC << EOF @@ -4075,7 +4028,7 @@ EOF if compile_prog "$vss_win32_include" "" ; then guest_agent_with_vss="yes" QEMU_CFLAGS="$QEMU_CFLAGS $vss_win32_include" - libs_qga="-lole32 -loleaut32 -lshlwapi -luuid -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" + libs_qga="-lole32 -loleaut32 -lshlwapi -lstdc++ -Wl,--enable-stdcall-fixup $libs_qga" qga_vss_provider="qga/vss-win32/qga-vss.dll qga/vss-win32/qga-vss.tlb" else if test "$vss_win32_sdk" != "" ; then @@ -4883,7 +4836,6 @@ echo "preadv support $preadv" echo "fdatasync $fdatasync" echo "madvise $madvise" echo "posix_madvise $posix_madvise" -echo "uuid support $uuid" echo "libcap-ng support $cap_ng" echo "vhost-net support $vhost_net" echo "vhost-scsi support $vhost_scsi" @@ -4917,7 +4869,6 @@ echo "TPM support $tpm" echo "libssh2 support $libssh2" echo "TPM passthrough $tpm_passthrough" echo "QOM debugging $qom_cast_debug" -echo "vhdx $vhdx" echo "lzo support $lzo" echo "snappy support $snappy" echo "bzip2 support $bzip2" @@ -5074,9 +5025,6 @@ fi if test "$fnmatch" = "yes" ; then echo "CONFIG_FNMATCH=y" >> $config_host_mak fi -if test "$uuid" = "yes" ; then - echo "CONFIG_UUID=y" >> $config_host_mak -fi if test "$xfs" = "yes" ; then echo "CONFIG_XFS=y" >> $config_host_mak fi @@ -5443,10 +5391,6 @@ if test "$libssh2" = "yes" ; then echo "LIBSSH2_LIBS=$libssh2_libs" >> $config_host_mak fi -if test "$vhdx" = "yes" ; then - echo "CONFIG_VHDX=y" >> $config_host_mak -fi - # USB host support if test "$libusb" = "yes"; then echo "HOST_USB=libusb legacy" >> $config_host_mak diff --git a/crypto/block-luks.c b/crypto/block-luks.c index a848232034..4530f8241c 100644 --- a/crypto/block-luks.c +++ b/crypto/block-luks.c @@ -29,10 +29,7 @@ #include "crypto/pbkdf.h" #include "crypto/secret.h" #include "crypto/random.h" - -#ifdef CONFIG_UUID -#include <uuid/uuid.h> -#endif +#include "qemu/uuid.h" #include "qemu/coroutine.h" @@ -877,18 +874,12 @@ qcrypto_block_luks_open(QCryptoBlock *block, } -static int -qcrypto_block_luks_uuid_gen(uint8_t *uuidstr, Error **errp) +static void +qcrypto_block_luks_uuid_gen(uint8_t *uuidstr) { -#ifdef CONFIG_UUID - uuid_t uuid; - uuid_generate(uuid); - uuid_unparse(uuid, (char *)uuidstr); - return 0; -#else - error_setg(errp, "Unable to generate uuids on this platform"); - return -1; -#endif + QemuUUID uuid; + qemu_uuid_generate(&uuid); + qemu_uuid_unparse(&uuid, (char *)uuidstr); } static int @@ -965,10 +956,7 @@ qcrypto_block_luks_create(QCryptoBlock *block, * it out to disk */ luks->header.version = QCRYPTO_BLOCK_LUKS_VERSION; - if (qcrypto_block_luks_uuid_gen(luks->header.uuid, - errp) < 0) { - goto error; - } + qcrypto_block_luks_uuid_gen(luks->header.uuid); cipher_alg = qcrypto_block_luks_cipher_alg_lookup(luks_opts.cipher_alg, errp); diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index dc9c14cd29..17c7c0ea07 100644 --- a/hw/ipmi/ipmi_bmc_sim.c +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -1773,7 +1773,7 @@ static void ipmi_sim_realize(DeviceState *dev, Error **errp) ibs->acpi_power_state[1] = 0; if (qemu_uuid_set) { - memcpy(&ibs->uuid, qemu_uuid, 16); + memcpy(&ibs->uuid, &qemu_uuid, 16); } else { memset(&ibs->uuid, 0, 16); } diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 1776b1b3c4..92aa563929 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -883,7 +883,7 @@ static void fw_cfg_init1(DeviceState *dev) qdev_init_nofail(dev); fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (char *)"QEMU", 4); - fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16); + fw_cfg_add_bytes(s, FW_CFG_UUID, &qemu_uuid, 16); fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)!machine->enable_graphics); fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus); fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu); diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index ca77bb0dea..bdb689c552 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -332,12 +332,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, g_free(buf); } - buf = g_strdup_printf(UUID_FMT, qemu_uuid[0], qemu_uuid[1], - qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], - qemu_uuid[5], qemu_uuid[6], qemu_uuid[7], - qemu_uuid[8], qemu_uuid[9], qemu_uuid[10], - qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], - qemu_uuid[14], qemu_uuid[15]); + buf = qemu_uuid_unparse_strdup(&qemu_uuid); _FDT((fdt_property_string(fdt, "vm,uuid", buf))); if (qemu_uuid_set) { diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 27b5ad4bc4..02ce27314a 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -303,7 +303,8 @@ static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu, break; } case RTAS_SYSPARM_UUID: - ret = sysparm_st(buffer, length, qemu_uuid, (qemu_uuid_set ? 16 : 0)); + ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid, + (qemu_uuid_set ? 16 : 0)); break; default: ret = RTAS_OUT_NOT_SUPPORTED; diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index 74c7102929..9a6552aa60 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -20,6 +20,7 @@ #include "qemu/config-file.h" #include "qemu/error-report.h" #include "sysemu/sysemu.h" +#include "qemu/uuid.h" #include "sysemu/cpus.h" #include "hw/smbios/smbios.h" #include "hw/loader.h" @@ -79,7 +80,7 @@ static struct { static struct { const char *manufacturer, *product, *version, *serial, *sku, *family; - /* uuid is in qemu_uuid[] */ + /* uuid is in qemu_uuid */ } type1; static struct { @@ -408,7 +409,7 @@ static void smbios_build_type_1_fields(void) * BIOS. */ smbios_add_field(1, offsetof(struct smbios_type_1, uuid), - qemu_uuid, 16); + &qemu_uuid, 16); } } @@ -483,9 +484,9 @@ static void smbios_build_type_0_table(void) /* Encode UUID from the big endian encoding described on RFC4122 to the wire * format specified by SMBIOS version 2.6. */ -static void smbios_encode_uuid(struct smbios_uuid *uuid, const uint8_t *buf) +static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in) { - memcpy(uuid, buf, 16); + memcpy(uuid, &in, 16); if (smbios_uuid_encoded) { uuid->time_low = bswap32(uuid->time_low); uuid->time_mid = bswap16(uuid->time_mid); @@ -502,7 +503,7 @@ static void smbios_build_type_1_table(void) SMBIOS_TABLE_SET_STR(1, version_str, type1.version); SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial); if (qemu_uuid_set) { - smbios_encode_uuid(&t->uuid, qemu_uuid); + smbios_encode_uuid(&t->uuid, &qemu_uuid); } else { memset(&t->uuid, 0, 16); } @@ -1001,7 +1002,7 @@ void smbios_entry_add(QemuOpts *opts) val = qemu_opt_get(opts, "uuid"); if (val) { - if (qemu_uuid_parse(val, qemu_uuid) != 0) { + if (qemu_uuid_parse(val, &qemu_uuid) != 0) { error_report("Invalid UUID"); exit(1); } diff --git a/hw/xenpv/xen_domainbuild.c b/hw/xenpv/xen_domainbuild.c index 5a9f5ac806..b439b0ed5d 100644 --- a/hw/xenpv/xen_domainbuild.c +++ b/hw/xenpv/xen_domainbuild.c @@ -53,11 +53,7 @@ int xenstore_domain_init1(const char *kernel, const char *ramdisk, char *dom, uuid_string[42], vm[256], path[256]; int i; - snprintf(uuid_string, sizeof(uuid_string), UUID_FMT, - qemu_uuid[0], qemu_uuid[1], qemu_uuid[2], qemu_uuid[3], - qemu_uuid[4], qemu_uuid[5], qemu_uuid[6], qemu_uuid[7], - qemu_uuid[8], qemu_uuid[9], qemu_uuid[10], qemu_uuid[11], - qemu_uuid[12], qemu_uuid[13], qemu_uuid[14], qemu_uuid[15]); + qemu_uuid_unparse(&qemu_uuid, uuid_string); dom = xs_get_domain_path(xenstore, xen_domid); snprintf(vm, sizeof(vm), "/vm/%s", uuid_string); diff --git a/include/qemu/uuid.h b/include/qemu/uuid.h new file mode 100644 index 0000000000..afe4840296 --- /dev/null +++ b/include/qemu/uuid.h @@ -0,0 +1,59 @@ +/* + * QEMU UUID functions + * + * Copyright 2016 Red Hat, Inc. + * + * Authors: + * Fam Zheng <famz@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ + +#ifndef QEMU_UUID_H +#define QEMU_UUID_H + +#include "qemu-common.h" + +/* Version 4 UUID (pseudo random numbers), RFC4122 4.4. */ + +typedef struct { + union { + unsigned char data[16]; + struct { + /* Generated in BE endian, can be swapped with qemu_uuid_bswap. */ + uint32_t time_low; + uint16_t time_mid; + uint16_t time_high_and_version; + uint8_t clock_seq_and_reserved; + uint8_t clock_seq_low; + uint8_t node[6]; + } fields; + }; +} QemuUUID; + +#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-" \ + "%02hhx%02hhx-%02hhx%02hhx-" \ + "%02hhx%02hhx-" \ + "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx" + +#define UUID_FMT_LEN 36 + +#define UUID_NONE "00000000-0000-0000-0000-000000000000" + +void qemu_uuid_generate(QemuUUID *out); + +int qemu_uuid_is_null(const QemuUUID *uu); + +void qemu_uuid_unparse(const QemuUUID *uuid, char *out); + +char *qemu_uuid_unparse_strdup(const QemuUUID *uuid); + +int qemu_uuid_parse(const char *str, QemuUUID *uuid); + +void qemu_uuid_bswap(QemuUUID *uuid); + +#endif diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index ee7c7608e0..ef2c50bb04 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -9,6 +9,7 @@ #include "qemu/notify.h" #include "qemu/main-loop.h" #include "qemu/bitmap.h" +#include "qemu/uuid.h" #include "qom/object.h" /* vl.c */ @@ -16,12 +17,8 @@ extern const char *bios_name; extern const char *qemu_name; -extern uint8_t qemu_uuid[]; +extern QemuUUID qemu_uuid; extern bool qemu_uuid_set; -int qemu_uuid_parse(const char *str, uint8_t *uuid); - -#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx" -#define UUID_NONE "00000000-0000-0000-0000-000000000000" bool runstate_check(RunState state); void runstate_set(RunState new_state); @@ -18,6 +18,7 @@ #include "qemu/cutils.h" #include "monitor/monitor.h" #include "sysemu/sysemu.h" +#include "qemu/uuid.h" #include "qmp-commands.h" #include "sysemu/char.h" #include "ui/qemu-spice.h" @@ -35,6 +36,7 @@ #include "qom/object_interfaces.h" #include "hw/mem/pc-dimm.h" #include "hw/acpi/acpi_dev_interface.h" +#include "qemu/uuid.h" NameInfo *qmp_query_name(Error **errp) { @@ -74,15 +76,8 @@ KvmInfo *qmp_query_kvm(Error **errp) UuidInfo *qmp_query_uuid(Error **errp) { UuidInfo *info = g_malloc0(sizeof(*info)); - char uuid[64]; - snprintf(uuid, sizeof(uuid), UUID_FMT, qemu_uuid[0], qemu_uuid[1], - qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], qemu_uuid[5], - qemu_uuid[6], qemu_uuid[7], qemu_uuid[8], qemu_uuid[9], - qemu_uuid[10], qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], - qemu_uuid[14], qemu_uuid[15]); - - info->UUID = g_strdup(uuid); + info->UUID = qemu_uuid_unparse_strdup(&qemu_uuid); return info; } diff --git a/stubs/uuid.c b/stubs/uuid.c index 92ad717831..a880de8d61 100644 --- a/stubs/uuid.c +++ b/stubs/uuid.c @@ -1,6 +1,6 @@ #include "qemu/osdep.h" #include "qemu-common.h" -#include "sysemu/sysemu.h" +#include "qemu/uuid.h" #include "qmp-commands.h" UuidInfo *qmp_query_uuid(Error **errp) diff --git a/tests/.gitignore b/tests/.gitignore index b4a9cfc8c4..24ac6cfa77 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -70,6 +70,7 @@ test-string-output-visitor test-thread-pool test-throttle test-timed-average +test-uuid test-visitor-serialization test-vmstate test-write-threshold diff --git a/tests/Makefile.include b/tests/Makefile.include index 1fb3866a99..54424a818c 100644 --- a/tests/Makefile.include +++ b/tests/Makefile.include @@ -115,6 +115,7 @@ check-unit-y += tests/test-logging$(EXESUF) check-unit-$(CONFIG_REPLICATION) += tests/test-replication$(EXESUF) check-unit-y += tests/test-bufferiszero$(EXESUF) gcov-files-check-bufferiszero-y = util/bufferiszero.c +check-unit-y += tests/test-uuid$(EXESUF) check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh @@ -660,6 +661,7 @@ tests/test-filter-redirector$(EXESUF): tests/test-filter-redirector.o $(qtest-ob tests/ivshmem-test$(EXESUF): tests/ivshmem-test.o contrib/ivshmem-server/ivshmem-server.o $(libqos-pc-obj-y) tests/vhost-user-bridge$(EXESUF): tests/vhost-user-bridge.o tests/ptimer-test$(EXESUF): tests/ptimer-test.o tests/ptimer-test-stubs.o hw/core/ptimer.o +tests/test-uuid$(EXESUF): tests/test-uuid.o $(test-util-obj-y) tests/migration/stress$(EXESUF): tests/migration/stress.o $(call quiet-command, $(LINKPROG) -static -O3 $(PTHREAD_LIB) -o $@ $< ," LINK $(TARGET_DIR)$@") diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include index 19d4cc7077..2fcc3c6418 100644 --- a/tests/docker/Makefile.include +++ b/tests/docker/Makefile.include @@ -117,7 +117,7 @@ docker-run-%: docker-qemu-src $(if $(DEBUG),-i,--net=none) \ -e TARGET_LIST=$(TARGET_LIST) \ -e EXTRA_CONFIGURE_OPTS=$(EXTRA_CONFIGURE_OPTS) \ - -e V=$V -e J=$J -e DEBUG=$(DEBUG)\ + -e V=$V -e J=$J -e DEBUG=$(DEBUG) -e SHOW_ENV=$(SHOW_ENV)\ -e CCACHE_DIR=/var/tmp/ccache \ -v $$(readlink -e $(DOCKER_SRC_COPY)):/var/tmp/qemu:z$(COMMA)ro \ -v $(DOCKER_CCACHE_DIR):/var/tmp/ccache:z \ diff --git a/tests/docker/common.rc b/tests/docker/common.rc index 0c6d8d5ece..510a3ad3f4 100755 --- a/tests/docker/common.rc +++ b/tests/docker/common.rc @@ -23,11 +23,13 @@ requires() build_qemu() { - $QEMU_SRC/configure \ - --enable-werror \ - ${TARGET_LIST:+"--target-list=${TARGET_LIST}"} \ - --prefix="$PWD/install" \ - $EXTRA_CONFIGURE_OPTS \ - "$@" + config_opts="--enable-werror \ + ${TARGET_LIST:+--target-list=${TARGET_LIST}} \ + --prefix=$PWD/install \ + $EXTRA_CONFIGURE_OPTS \ + $@" + echo "Configure options:" + echo $config_opts + $QEMU_SRC/configure $config_opts make $MAKEFLAGS } diff --git a/tests/docker/docker.py b/tests/docker/docker.py index b85c165130..37d83199e7 100755 --- a/tests/docker/docker.py +++ b/tests/docker/docker.py @@ -21,6 +21,7 @@ import uuid import argparse import tempfile import re +import signal from tarfile import TarFile, TarInfo from StringIO import StringIO from shutil import copy, rmtree @@ -37,9 +38,12 @@ def _guess_docker_command(): """ Guess a working docker command or raise exception if not found""" commands = [["docker"], ["sudo", "-n", "docker"]] for cmd in commands: - if subprocess.call(cmd + ["images"], - stdout=DEVNULL, stderr=DEVNULL) == 0: - return cmd + try: + if subprocess.call(cmd + ["images"], + stdout=DEVNULL, stderr=DEVNULL) == 0: + return cmd + except OSError: + pass commands_txt = "\n".join([" " + " ".join(x) for x in commands]) raise Exception("Cannot find working docker command. Tried:\n%s" % \ commands_txt) @@ -98,6 +102,8 @@ class Docker(object): self._command = _guess_docker_command() self._instances = [] atexit.register(self._kill_instances) + signal.signal(signal.SIGTERM, self._kill_instances) + signal.signal(signal.SIGHUP, self._kill_instances) def _do(self, cmd, quiet=True, infile=None, **kwargs): if quiet: @@ -130,7 +136,7 @@ class Docker(object): self._do_kill_instances(False, False) return 0 - def _kill_instances(self): + def _kill_instances(self, *args, **kwargs): return self._do_kill_instances(True) def _output(self, cmd, **kwargs): diff --git a/tests/docker/dockerfiles/centos6.docker b/tests/docker/dockerfiles/centos6.docker index 8f4fe46379..34e0d3b91e 100644 --- a/tests/docker/dockerfiles/centos6.docker +++ b/tests/docker/dockerfiles/centos6.docker @@ -1,6 +1,8 @@ FROM centos:6 -RUN yum install -y \ +RUN yum install -y epel-release +ENV PACKAGES libfdt-devel ccache \ tar git make gcc g++ \ zlib-devel glib2-devel SDL-devel pixman-devel \ epel-release -RUN yum install -y libfdt-devel ccache +RUN yum install -y $PACKAGES +RUN rpm -q $PACKAGES | sort > /packages.txt diff --git a/tests/docker/dockerfiles/fedora.docker b/tests/docker/dockerfiles/fedora.docker index 1d26a8e98a..478163b8d8 100644 --- a/tests/docker/dockerfiles/fedora.docker +++ b/tests/docker/dockerfiles/fedora.docker @@ -1,7 +1,17 @@ -FROM fedora:23 -RUN dnf install -y \ +FROM fedora:latest +ENV PACKAGES \ ccache git tar PyYAML sparse flex bison \ glib2-devel pixman-devel zlib-devel SDL-devel libfdt-devel \ gcc gcc-c++ clang make perl which bc findutils \ - mingw{32,64}-{pixman,glib2,gmp,SDL,pkg-config,gtk2,gtk3,gnutls,nettle,libtasn1,libjpeg-turbo,libpng,curl,libssh2,bzip2} + mingw32-pixman mingw32-glib2 mingw32-gmp mingw32-SDL mingw32-pkg-config \ + mingw32-gtk2 mingw32-gtk3 mingw32-gnutls mingw32-nettle mingw32-libtasn1 \ + mingw32-libjpeg-turbo mingw32-libpng mingw32-curl mingw32-libssh2 \ + mingw32-bzip2 \ + mingw64-pixman mingw64-glib2 mingw64-gmp mingw64-SDL mingw64-pkg-config \ + mingw64-gtk2 mingw64-gtk3 mingw64-gnutls mingw64-nettle mingw64-libtasn1 \ + mingw64-libjpeg-turbo mingw64-libpng mingw64-curl mingw64-libssh2 \ + mingw64-bzip2 + +RUN dnf install -y $PACKAGES +RUN rpm -q $PACKAGES | sort > /packages.txt ENV FEATURES mingw clang pyyaml diff --git a/tests/docker/dockerfiles/ubuntu.docker b/tests/docker/dockerfiles/ubuntu.docker index a8b88c318c..a360a050a2 100644 --- a/tests/docker/dockerfiles/ubuntu.docker +++ b/tests/docker/dockerfiles/ubuntu.docker @@ -2,10 +2,12 @@ FROM ubuntu:14.04 RUN echo "deb http://archive.ubuntu.com/ubuntu/ trusty universe multiverse" >> \ /etc/apt/sources.list RUN apt-get update -RUN apt-get -y install flex bison \ +ENV PACKAGES flex bison \ libusb-1.0-0-dev libiscsi-dev librados-dev libncurses5-dev \ libseccomp-dev libgnutls-dev libssh2-1-dev libspice-server-dev \ libspice-protocol-dev libnss3-dev libfdt-dev \ libgtk-3-dev libvte-2.90-dev libsdl1.2-dev libpng12-dev libpixman-1-dev \ git make ccache python-yaml gcc clang sparse +RUN apt-get -y install $PACKAGES +RUN dpkg -l $PACKAGES | sort > /packages.txt ENV FEATURES clang pyyaml diff --git a/tests/docker/run b/tests/docker/run index d85d49afc1..c1e4513bce 100755 --- a/tests/docker/run +++ b/tests/docker/run @@ -40,20 +40,34 @@ for p in dtc pixman; do fi done +if test -n "$SHOW_ENV"; then + if test -f /packages.txt; then + echo "Packages installed:" + cat /packages.txt + echo + fi + echo "Environment variables:" + env + echo +fi + export QEMU_SRC="$TEST_DIR/src" cd "$QEMU_SRC/tests/docker" CMD="$QEMU_SRC/tests/docker/$@" -if test -n "$DEBUG"; then - echo "* Prepared to run command:" - echo " $CMD" - echo "* Hit Ctrl-D to continue, or type 'exit 1' to abort" - echo - $SHELL +if test -z "$DEBUG"; then + exec $CMD fi +# DEBUG workflow +echo "* Prepared to run command:" +echo " $CMD" +echo "* Hit Ctrl-D to continue, or type 'exit 1' to abort" +echo +$SHELL + if "$CMD"; then exit 0 elif test -n "$DEBUG"; then diff --git a/tests/docker/test-quick b/tests/docker/test-quick index 07cdc59a10..7885dfafdb 100755 --- a/tests/docker/test-quick +++ b/tests/docker/test-quick @@ -13,7 +13,7 @@ . common.rc -DEF_TARGET_LIST="$(echo {x86_64,aarch64}-softmmu)" +DEF_TARGET_LIST="x86_64-softmmu,aarch64-softmmu" TARGET_LIST=${TARGET_LIST:-$DEF_TARGET_LIST} \ build_qemu make check $MAKEFLAGS diff --git a/tests/test-crypto-block.c b/tests/test-crypto-block.c index a38110d3ff..1957a86743 100644 --- a/tests/test-crypto-block.c +++ b/tests/test-crypto-block.c @@ -28,7 +28,7 @@ #include <sys/resource.h> #endif -#if defined(CONFIG_UUID) && (defined(_WIN32) || defined RUSAGE_THREAD) +#if (defined(_WIN32) || defined RUSAGE_THREAD) #define TEST_LUKS #else #undef TEST_LUKS diff --git a/tests/test-uuid.c b/tests/test-uuid.c new file mode 100644 index 0000000000..77dcdc4b55 --- /dev/null +++ b/tests/test-uuid.c @@ -0,0 +1,177 @@ +/* + * QEMU UUID Library + * + * Copyright (c) 2016 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include "qemu/osdep.h" +#include "qemu/uuid.h" + +struct { + const char *uuidstr; + QemuUUID uuid; + bool uuidstr_is_valid; + bool check_unparse; +} uuid_test_data[] = { + { /* Normal */ + "586ece27-7f09-41e0-9e74-e901317e9d42", + { { { + 0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0, + 0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42, + } } }, + true, true, + }, { /* NULL */ + "00000000-0000-0000-0000-000000000000", + { }, + true, true, + }, { /* Upper case */ + "0CC6C752-3961-4028-A286-C05CC616D396", + { { { + 0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28, + 0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96, + } } }, + true, false, + }, { /* Mixed case */ + "0CC6C752-3961-4028-a286-c05cc616D396", + { { { + 0x0c, 0xc6, 0xc7, 0x52, 0x39, 0x61, 0x40, 0x28, + 0xa2, 0x86, 0xc0, 0x5c, 0xc6, 0x16, 0xd3, 0x96, + } } }, + true, false, + }, { /* Empty */ + "" + }, { /* Too short */ + "abc", + }, { /* Non-hex */ + "abcdefgh-0000-0000-0000-000000000000", + }, { /* No '-' */ + "0cc6c75239614028a286c05cc616d396", + }, { /* '-' in wrong position */ + "0cc6c-7523961-4028-a286-c05cc616d396", + }, { /* Double '-' */ + "0cc6c752--3961-4028-a286-c05cc616d396", + }, { /* Too long */ + "0000000000000000000000000000000000000000000000", + }, { /* Invalid char in the beginning */ + ")cc6c752-3961-4028-a286-c05cc616d396", + }, { /* Invalid char in the beginning, in extra */ + ")0cc6c752-3961-4028-a286-c05cc616d396", + }, { /* Invalid char in the middle */ + "0cc6c752-39*1-4028-a286-c05cc616d396", + }, { /* Invalid char in the middle, in extra */ + "0cc6c752-39*61-4028-a286-c05cc616d396", + }, { /* Invalid char in the end */ + "0cc6c752-3961-4028-a286-c05cc616d39&", + }, { /* Invalid char in the end, in extra */ + "0cc6c752-3961-4028-a286-c05cc616d396&", + }, { /* Short end and trailing space */ + "0cc6c752-3961-4028-a286-c05cc616d39 ", + }, { /* Leading space and short end */ + " 0cc6c752-3961-4028-a286-c05cc616d39", + }, +}; + +static inline bool uuid_is_valid(QemuUUID *uuid) +{ + return qemu_uuid_is_null(uuid) || + ((uuid->data[6] & 0xf0) == 0x40 && (uuid->data[8] & 0xc0) == 0x80); +} + +static void test_uuid_generate(void) +{ + QemuUUID uuid; + int i; + + for (i = 0; i < 100; ++i) { + qemu_uuid_generate(&uuid); + g_assert(uuid_is_valid(&uuid)); + } +} + +static void test_uuid_is_null(void) +{ + QemuUUID uuid_null = { }; + QemuUUID uuid_not_null = { { { + 0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0, + 0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42 + } } }; + QemuUUID uuid_not_null_2 = { { { 1 } } }; + + g_assert(qemu_uuid_is_null(&uuid_null)); + g_assert_false(qemu_uuid_is_null(&uuid_not_null)); + g_assert_false(qemu_uuid_is_null(&uuid_not_null_2)); +} + +static void test_uuid_parse(void) +{ + int i, r; + + for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) { + QemuUUID uuid; + bool is_valid = uuid_test_data[i].uuidstr_is_valid; + + r = qemu_uuid_parse(uuid_test_data[i].uuidstr, &uuid); + g_assert_cmpint(!r, ==, is_valid); + if (is_valid) { + g_assert_cmpint(is_valid, ==, uuid_is_valid(&uuid)); + g_assert_cmpmem(&uuid_test_data[i].uuid, sizeof(uuid), + &uuid, sizeof(uuid)); + } + } +} + +static void test_uuid_unparse(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) { + char out[37]; + + if (!uuid_test_data[i].check_unparse) { + continue; + } + qemu_uuid_unparse(&uuid_test_data[i].uuid, out); + g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out); + } +} + +static void test_uuid_unparse_strdup(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(uuid_test_data); i++) { + char *out; + + if (!uuid_test_data[i].check_unparse) { + continue; + } + out = qemu_uuid_unparse_strdup(&uuid_test_data[i].uuid); + g_assert_cmpstr(uuid_test_data[i].uuidstr, ==, out); + } +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + g_test_add_func("/uuid/generate", test_uuid_generate); + g_test_add_func("/uuid/is_null", test_uuid_is_null); + g_test_add_func("/uuid/parse", test_uuid_parse); + g_test_add_func("/uuid/unparse", test_uuid_unparse); + g_test_add_func("/uuid/unparse_strdup", test_uuid_unparse_strdup); + + return g_test_run(); +} diff --git a/ui/spice-core.c b/ui/spice-core.c index da0505434a..1452e77fd1 100644 --- a/ui/spice-core.c +++ b/ui/spice-core.c @@ -796,7 +796,7 @@ void qemu_spice_init(void) qemu_opt_foreach(opts, add_channel, &tls_port, NULL); spice_server_set_name(spice_server, qemu_name); - spice_server_set_uuid(spice_server, qemu_uuid); + spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); spice_server_set_seamless_migration(spice_server, seamless_migration); diff --git a/util/Makefile.objs b/util/Makefile.objs index ffca8f3002..36c7dcc1fa 100644 --- a/util/Makefile.objs +++ b/util/Makefile.objs @@ -21,6 +21,7 @@ util-obj-y += iov.o qemu-config.o qemu-sockets.o uri.o notify.o util-obj-y += qemu-option.o qemu-progress.o util-obj-y += hexdump.o util-obj-y += crc32c.o +util-obj-y += uuid.o util-obj-y += throttle.o util-obj-y += getauxval.o util-obj-y += readline.o diff --git a/util/uuid.c b/util/uuid.c new file mode 100644 index 0000000000..dd6b5fdf05 --- /dev/null +++ b/util/uuid.c @@ -0,0 +1,114 @@ +/* + * QEMU UUID functions + * + * Copyright 2016 Red Hat, Inc. + * + * Authors: + * Fam Zheng <famz@redhat.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qemu/uuid.h" +#include "qemu/bswap.h" + +void qemu_uuid_generate(QemuUUID *uuid) +{ + int i; + uint32_t tmp[4]; + + QEMU_BUILD_BUG_ON(sizeof(QemuUUID) != 16); + + for (i = 0; i < 4; ++i) { + tmp[i] = g_random_int(); + } + memcpy(uuid, tmp, sizeof(tmp)); + /* Set the two most significant bits (bits 6 and 7) of the + clock_seq_hi_and_reserved to zero and one, respectively. */ + uuid->data[8] = (uuid->data[8] & 0x3f) | 0x80; + /* Set the four most significant bits (bits 12 through 15) of the + time_hi_and_version field to the 4-bit version number. + */ + uuid->data[6] = (uuid->data[6] & 0xf) | 0x40; +} + +int qemu_uuid_is_null(const QemuUUID *uu) +{ + static QemuUUID null_uuid; + return memcmp(uu, &null_uuid, sizeof(QemuUUID)) == 0; +} + +void qemu_uuid_unparse(const QemuUUID *uuid, char *out) +{ + const unsigned char *uu = &uuid->data[0]; + snprintf(out, UUID_FMT_LEN + 1, UUID_FMT, + uu[0], uu[1], uu[2], uu[3], uu[4], uu[5], uu[6], uu[7], + uu[8], uu[9], uu[10], uu[11], uu[12], uu[13], uu[14], uu[15]); +} + +char *qemu_uuid_unparse_strdup(const QemuUUID *uuid) +{ + const unsigned char *uu = &uuid->data[0]; + return g_strdup_printf(UUID_FMT, + uu[0], uu[1], uu[2], uu[3], uu[4], uu[5], uu[6], + uu[7], uu[8], uu[9], uu[10], uu[11], uu[12], + uu[13], uu[14], uu[15]); +} + +static bool qemu_uuid_is_valid(const char *str) +{ + int i; + + for (i = 0; i < strlen(str); i++) { + const char c = str[i]; + if (i == 8 || i == 13 || i == 18 || i == 23) { + if (str[i] != '-') { + return false; + } + } else { + if ((c >= '0' && c <= '9') || + (c >= 'A' && c <= 'F') || + (c >= 'a' && c <= 'f')) { + continue; + } + return false; + } + } + return i == 36; +} + +int qemu_uuid_parse(const char *str, QemuUUID *uuid) +{ + unsigned char *uu = &uuid->data[0]; + int ret; + + if (!qemu_uuid_is_valid(str)) { + return -1; + } + + ret = sscanf(str, UUID_FMT, &uu[0], &uu[1], &uu[2], &uu[3], + &uu[4], &uu[5], &uu[6], &uu[7], &uu[8], &uu[9], + &uu[10], &uu[11], &uu[12], &uu[13], &uu[14], + &uu[15]); + + if (ret != 16) { + return -1; + } + return 0; +} + +/* Swap from UUID format endian (BE) to the opposite or vice versa. + */ +void qemu_uuid_bswap(QemuUUID *uuid) +{ + assert(QEMU_PTR_IS_ALIGNED(uuid, sizeof(uint32_t))); + bswap32s(&uuid->fields.time_low); + bswap16s(&uuid->fields.time_mid); + bswap16s(&uuid->fields.time_high_and_version); +} @@ -25,6 +25,7 @@ #include "qemu-version.h" #include "qemu/cutils.h" #include "qemu/help_option.h" +#include "qemu/uuid.h" #ifdef CONFIG_SECCOMP #include "sysemu/seccomp.h" @@ -182,10 +183,10 @@ uint8_t qemu_extra_params_fw[2]; int icount_align_option; -/* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the +/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the * little-endian "wire format" described in the SMBIOS 2.6 specification. */ -uint8_t qemu_uuid[16]; +QemuUUID qemu_uuid; bool qemu_uuid_set; static NotifierList exit_notifiers = @@ -3779,7 +3780,7 @@ int main(int argc, char **argv, char **envp) cursor_hide = 0; break; case QEMU_OPTION_uuid: - if(qemu_uuid_parse(optarg, qemu_uuid) < 0) { + if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) { error_report("failed to parse UUID string: wrong format"); exit(1); } |