diff options
Diffstat (limited to 'src/libsystemd-id128')
-rw-r--r-- | src/libsystemd-id128/.gitignore | 1 | ||||
l--------- | src/libsystemd-id128/Makefile | 1 | ||||
-rw-r--r-- | src/libsystemd-id128/libsystemd-id128.pc.in | 18 | ||||
-rw-r--r-- | src/libsystemd-id128/libsystemd-id128.sym | 21 | ||||
-rw-r--r-- | src/libsystemd-id128/sd-id128.c | 234 |
5 files changed, 0 insertions, 275 deletions
diff --git a/src/libsystemd-id128/.gitignore b/src/libsystemd-id128/.gitignore deleted file mode 100644 index 144adf9bea..0000000000 --- a/src/libsystemd-id128/.gitignore +++ /dev/null @@ -1 +0,0 @@ -/libsystemd-id128.pc diff --git a/src/libsystemd-id128/Makefile b/src/libsystemd-id128/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/libsystemd-id128/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/libsystemd-id128/libsystemd-id128.pc.in b/src/libsystemd-id128/libsystemd-id128.pc.in deleted file mode 100644 index bb65ffde33..0000000000 --- a/src/libsystemd-id128/libsystemd-id128.pc.in +++ /dev/null @@ -1,18 +0,0 @@ -# This file is part of systemd. -# -# systemd 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 2.1 of the License, or -# (at your option) any later version. - -prefix=@prefix@ -exec_prefix=@exec_prefix@ -libdir=@libdir@ -includedir=@includedir@ - -Name: systemd -Description: systemd 128 Bit ID Utility Library -URL: @PACKAGE_URL@ -Version: @PACKAGE_VERSION@ -Libs: -L${libdir} -lsystemd-id128 -Cflags: -I${includedir} diff --git a/src/libsystemd-id128/libsystemd-id128.sym b/src/libsystemd-id128/libsystemd-id128.sym deleted file mode 100644 index 604c0026c6..0000000000 --- a/src/libsystemd-id128/libsystemd-id128.sym +++ /dev/null @@ -1,21 +0,0 @@ -/*** - This file is part of systemd. - - systemd 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 2.1 of the License, or - (at your option) any later version. -***/ - -/* Original symbols from systemd v38 */ - -LIBSYSTEMD_ID128_38 { -global: - sd_id128_to_string; - sd_id128_from_string; - sd_id128_randomize; - sd_id128_get_machine; - sd_id128_get_boot; -local: - *; -}; diff --git a/src/libsystemd-id128/sd-id128.c b/src/libsystemd-id128/sd-id128.c deleted file mode 100644 index 9ee40ab91e..0000000000 --- a/src/libsystemd-id128/sd-id128.c +++ /dev/null @@ -1,234 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2011 Lennart Poettering - - systemd 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 2.1 of the License, or - (at your option) any later version. - - systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <unistd.h> - -#include "util.h" -#include "macro.h" -#include "sd-id128.h" - -_public_ char *sd_id128_to_string(sd_id128_t id, char s[33]) { - unsigned n; - - assert_return(s, NULL); - - for (n = 0; n < 16; n++) { - s[n*2] = hexchar(id.bytes[n] >> 4); - s[n*2+1] = hexchar(id.bytes[n] & 0xF); - } - - s[32] = 0; - - return s; -} - -_public_ int sd_id128_from_string(const char s[], sd_id128_t *ret) { - unsigned n, i; - sd_id128_t t; - bool is_guid = false; - - assert_return(s, -EINVAL); - assert_return(ret, -EINVAL); - - for (n = 0, i = 0; n < 16;) { - int a, b; - - if (s[i] == '-') { - /* Is this a GUID? Then be nice, and skip over - * the dashes */ - - if (i == 8) - is_guid = true; - else if (i == 13 || i == 18 || i == 23) { - if (!is_guid) - return -EINVAL; - } else - return -EINVAL; - - i++; - continue; - } - - a = unhexchar(s[i++]); - if (a < 0) - return -EINVAL; - - b = unhexchar(s[i++]); - if (b < 0) - return -EINVAL; - - t.bytes[n++] = (a << 4) | b; - } - - if (i != (is_guid ? 36 : 32)) - return -EINVAL; - - if (s[i] != 0) - return -EINVAL; - - *ret = t; - return 0; -} - -static sd_id128_t make_v4_uuid(sd_id128_t id) { - /* Stolen from generate_random_uuid() of drivers/char/random.c - * in the kernel sources */ - - /* Set UUID version to 4 --- truly random generation */ - id.bytes[6] = (id.bytes[6] & 0x0F) | 0x40; - - /* Set the UUID variant to DCE */ - id.bytes[8] = (id.bytes[8] & 0x3F) | 0x80; - - return id; -} - -_public_ int sd_id128_get_machine(sd_id128_t *ret) { - static thread_local sd_id128_t saved_machine_id; - static thread_local bool saved_machine_id_valid = false; - _cleanup_close_ int fd = -1; - char buf[33]; - ssize_t k; - unsigned j; - sd_id128_t t; - - assert_return(ret, -EINVAL); - - if (saved_machine_id_valid) { - *ret = saved_machine_id; - return 0; - } - - fd = open("/etc/machine-id", O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (fd < 0) - return -errno; - - k = loop_read(fd, buf, 33, false); - if (k < 0) - return (int) k; - - if (k != 33) - return -EIO; - - if (buf[32] !='\n') - return -EIO; - - for (j = 0; j < 16; j++) { - int a, b; - - a = unhexchar(buf[j*2]); - b = unhexchar(buf[j*2+1]); - - if (a < 0 || b < 0) - return -EIO; - - t.bytes[j] = a << 4 | b; - } - - saved_machine_id = t; - saved_machine_id_valid = true; - - *ret = t; - return 0; -} - -_public_ int sd_id128_get_boot(sd_id128_t *ret) { - static thread_local sd_id128_t saved_boot_id; - static thread_local bool saved_boot_id_valid = false; - _cleanup_close_ int fd = -1; - char buf[36]; - ssize_t k; - unsigned j; - sd_id128_t t; - char *p; - - assert_return(ret, -EINVAL); - - if (saved_boot_id_valid) { - *ret = saved_boot_id; - return 0; - } - - fd = open("/proc/sys/kernel/random/boot_id", O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (fd < 0) - return -errno; - - k = loop_read(fd, buf, 36, false); - if (k < 0) - return (int) k; - - if (k != 36) - return -EIO; - - for (j = 0, p = buf; j < 16; j++) { - int a, b; - - if (p >= buf + k) - return -EIO; - - if (*p == '-') - p++; - - a = unhexchar(p[0]); - b = unhexchar(p[1]); - - if (a < 0 || b < 0) - return -EIO; - - t.bytes[j] = a << 4 | b; - - p += 2; - } - - saved_boot_id = t; - saved_boot_id_valid = true; - - *ret = t; - return 0; -} - -_public_ int sd_id128_randomize(sd_id128_t *ret) { - _cleanup_close_ int fd = -1; - sd_id128_t t; - ssize_t k; - - assert_return(ret, -EINVAL); - - fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (fd < 0) - return -errno; - - k = loop_read(fd, &t, 16, false); - if (k < 0) - return (int) k; - - if (k != 16) - return -EIO; - - /* Turn this into a valid v4 UUID, to be nice. Note that we - * only guarantee this for newly generated UUIDs, not for - * pre-existing ones.*/ - - *ret = make_v4_uuid(t); - return 0; -} |