systemd: reorganize source files
This is a direct dump from systemd git.
======
SYSTEMD_DIR=../systemd
COMMIT=8eab766804ef4fa21d26c00fd0baab3f1a47bb5c
(
cd "$SYSTEMD_DIR"
git checkout "$COMMIT"
git reset --hard
git clean -fdx
)
git ls-files -z :/src/systemd/src/ \
:/shared/systemd/src/ \
:/shared/nm-utils/unaligned.h | \
xargs -0 rm -f
nm_copy_sd_shared() {
mkdir -p "./shared/systemd/$(dirname "$1")"
cp "$SYSTEMD_DIR/$1" "./shared/systemd/$1"
}
nm_copy_sd_core() {
mkdir -p "./src/systemd/$(dirname "$1")"
cp "$SYSTEMD_DIR/$1" "./src/systemd/$1"
}
nm_copy_sd_nmutils() {
mkdir -p "./shared/nm-utils/"
cp "$SYSTEMD_DIR/$1" "./shared/nm-utils/${1##*/}"
}
nm_copy_sd_core "src/libsystemd-network/arp-util.c"
nm_copy_sd_core "src/libsystemd-network/arp-util.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-identifier.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-identifier.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-lease-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp-network.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-option.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-packet.c"
nm_copy_sd_core "src/libsystemd-network/dhcp-protocol.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-lease-internal.h"
nm_copy_sd_core "src/libsystemd-network/dhcp6-network.c"
nm_copy_sd_core "src/libsystemd-network/dhcp6-option.c"
nm_copy_sd_core "src/libsystemd-network/dhcp6-protocol.h"
nm_copy_sd_core "src/libsystemd-network/lldp-internal.h"
nm_copy_sd_core "src/libsystemd-network/lldp-neighbor.c"
nm_copy_sd_core "src/libsystemd-network/lldp-neighbor.h"
nm_copy_sd_core "src/libsystemd-network/lldp-network.c"
nm_copy_sd_core "src/libsystemd-network/lldp-network.h"
nm_copy_sd_core "src/libsystemd-network/network-internal.c"
nm_copy_sd_core "src/libsystemd-network/network-internal.h"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp-client.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp-lease.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp6-client.c"
nm_copy_sd_core "src/libsystemd-network/sd-dhcp6-lease.c"
nm_copy_sd_core "src/libsystemd-network/sd-ipv4acd.c"
nm_copy_sd_core "src/libsystemd-network/sd-ipv4ll.c"
nm_copy_sd_core "src/libsystemd-network/sd-lldp.c"
nm_copy_sd_core "src/libsystemd/sd-event/event-source.h"
nm_copy_sd_core "src/libsystemd/sd-event/event-util.c"
nm_copy_sd_core "src/libsystemd/sd-event/event-util.h"
nm_copy_sd_core "src/libsystemd/sd-event/sd-event.c"
nm_copy_sd_core "src/libsystemd/sd-id128/id128-util.c"
nm_copy_sd_core "src/libsystemd/sd-id128/id128-util.h"
nm_copy_sd_core "src/libsystemd/sd-id128/sd-id128.c"
nm_copy_sd_core "src/shared/dns-domain.c"
nm_copy_sd_core "src/shared/dns-domain.h"
nm_copy_sd_core "src/systemd/_sd-common.h"
nm_copy_sd_core "src/systemd/sd-dhcp-client.h"
nm_copy_sd_core "src/systemd/sd-dhcp-lease.h"
nm_copy_sd_core "src/systemd/sd-dhcp6-client.h"
nm_copy_sd_core "src/systemd/sd-dhcp6-lease.h"
nm_copy_sd_core "src/systemd/sd-event.h"
nm_copy_sd_core "src/systemd/sd-id128.h"
nm_copy_sd_core "src/systemd/sd-ipv4acd.h"
nm_copy_sd_core "src/systemd/sd-ipv4ll.h"
nm_copy_sd_core "src/systemd/sd-lldp.h"
nm_copy_sd_core "src/systemd/sd-ndisc.h"
nm_copy_sd_nmutils "src/basic/unaligned.h"
nm_copy_sd_shared "src/basic/alloc-util.c"
nm_copy_sd_shared "src/basic/alloc-util.h"
nm_copy_sd_shared "src/basic/async.h"
nm_copy_sd_shared "src/basic/env-file.c"
nm_copy_sd_shared "src/basic/env-file.h"
nm_copy_sd_shared "src/basic/env-util.c"
nm_copy_sd_shared "src/basic/env-util.h"
nm_copy_sd_shared "src/basic/escape.c"
nm_copy_sd_shared "src/basic/escape.h"
nm_copy_sd_shared "src/basic/ether-addr-util.c"
nm_copy_sd_shared "src/basic/ether-addr-util.h"
nm_copy_sd_shared "src/basic/extract-word.c"
nm_copy_sd_shared "src/basic/extract-word.h"
nm_copy_sd_shared "src/basic/fd-util.c"
nm_copy_sd_shared "src/basic/fd-util.h"
nm_copy_sd_shared "src/basic/fileio.c"
nm_copy_sd_shared "src/basic/fileio.h"
nm_copy_sd_shared "src/basic/fs-util.c"
nm_copy_sd_shared "src/basic/fs-util.h"
nm_copy_sd_shared "src/basic/hash-funcs.c"
nm_copy_sd_shared "src/basic/hash-funcs.h"
nm_copy_sd_shared "src/basic/hashmap.c"
nm_copy_sd_shared "src/basic/hashmap.h"
nm_copy_sd_shared "src/basic/hexdecoct.c"
nm_copy_sd_shared "src/basic/hexdecoct.h"
nm_copy_sd_shared "src/basic/hostname-util.c"
nm_copy_sd_shared "src/basic/hostname-util.h"
nm_copy_sd_shared "src/basic/in-addr-util.c"
nm_copy_sd_shared "src/basic/in-addr-util.h"
nm_copy_sd_shared "src/basic/io-util.c"
nm_copy_sd_shared "src/basic/io-util.h"
nm_copy_sd_shared "src/basic/list.h"
nm_copy_sd_shared "src/basic/log.h"
nm_copy_sd_shared "src/basic/macro.h"
nm_copy_sd_shared "src/basic/mempool.c"
nm_copy_sd_shared "src/basic/mempool.h"
nm_copy_sd_shared "src/basic/missing_type.h"
nm_copy_sd_shared "src/basic/parse-util.c"
nm_copy_sd_shared "src/basic/parse-util.h"
nm_copy_sd_shared "src/basic/path-util.c"
nm_copy_sd_shared "src/basic/path-util.h"
nm_copy_sd_shared "src/basic/prioq.c"
nm_copy_sd_shared "src/basic/prioq.h"
nm_copy_sd_shared "src/basic/process-util.c"
nm_copy_sd_shared "src/basic/process-util.h"
nm_copy_sd_shared "src/basic/random-util.c"
nm_copy_sd_shared "src/basic/random-util.h"
nm_copy_sd_shared "src/basic/refcnt.h"
nm_copy_sd_shared "src/basic/set.h"
nm_copy_sd_shared "src/basic/signal-util.h"
nm_copy_sd_shared "src/basic/siphash24.h"
nm_copy_sd_shared "src/basic/socket-util.c"
nm_copy_sd_shared "src/basic/socket-util.h"
nm_copy_sd_shared "src/basic/sparse-endian.h"
nm_copy_sd_shared "src/basic/stat-util.c"
nm_copy_sd_shared "src/basic/stat-util.h"
nm_copy_sd_shared "src/basic/stdio-util.h"
nm_copy_sd_shared "src/basic/string-table.c"
nm_copy_sd_shared "src/basic/string-table.h"
nm_copy_sd_shared "src/basic/string-util.c"
nm_copy_sd_shared "src/basic/string-util.h"
nm_copy_sd_shared "src/basic/strv.c"
nm_copy_sd_shared "src/basic/strv.h"
nm_copy_sd_shared "src/basic/time-util.c"
nm_copy_sd_shared "src/basic/time-util.h"
nm_copy_sd_shared "src/basic/tmpfile-util.c"
nm_copy_sd_shared "src/basic/tmpfile-util.h"
nm_copy_sd_shared "src/basic/umask-util.h"
nm_copy_sd_shared "src/basic/utf8.c"
nm_copy_sd_shared "src/basic/utf8.h"
nm_copy_sd_shared "src/basic/util.c"
nm_copy_sd_shared "src/basic/util.h"
This commit is contained in:
Thomas Haller
329
shared/systemd/src/basic/tmpfile-util.c
Normal file
329
shared/systemd/src/basic/tmpfile-util.c
Normal file
@@ -0,0 +1,329 @@
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/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <sys/mman.h>
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#include "alloc-util.h"
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#include "fd-util.h"
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#include "fs-util.h"
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#include "hexdecoct.h"
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#include "macro.h"
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#include "memfd-util.h"
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#include "missing_syscall.h"
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#include "path-util.h"
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#include "process-util.h"
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#include "random-util.h"
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#include "stdio-util.h"
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#include "string-util.h"
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#include "tmpfile-util.h"
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#include "umask-util.h"
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int fopen_temporary(const char *path, FILE **_f, char **_temp_path) {
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FILE *f;
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char *t;
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int r, fd;
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assert(path);
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assert(_f);
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assert(_temp_path);
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r = tempfn_xxxxxx(path, NULL, &t);
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if (r < 0)
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return r;
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fd = mkostemp_safe(t);
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if (fd < 0) {
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free(t);
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return -errno;
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}
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f = fdopen(fd, "w");
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if (!f) {
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unlink_noerrno(t);
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free(t);
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safe_close(fd);
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return -errno;
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}
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*_f = f;
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*_temp_path = t;
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return 0;
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}
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/* This is much like mkostemp() but is subject to umask(). */
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int mkostemp_safe(char *pattern) {
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_cleanup_umask_ mode_t u = 0;
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int fd;
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assert(pattern);
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u = umask(077);
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fd = mkostemp(pattern, O_CLOEXEC);
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if (fd < 0)
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return -errno;
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return fd;
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}
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int fmkostemp_safe(char *pattern, const char *mode, FILE **ret_f) {
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int fd;
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FILE *f;
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fd = mkostemp_safe(pattern);
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if (fd < 0)
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return fd;
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f = fdopen(fd, mode);
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if (!f) {
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safe_close(fd);
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return -errno;
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}
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*ret_f = f;
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return 0;
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}
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int tempfn_xxxxxx(const char *p, const char *extra, char **ret) {
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const char *fn;
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char *t;
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assert(ret);
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if (isempty(p))
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return -EINVAL;
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if (path_equal(p, "/"))
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return -EINVAL;
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/*
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* Turns this:
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* /foo/bar/waldo
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*
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* Into this:
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* /foo/bar/.#<extra>waldoXXXXXX
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*/
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fn = basename(p);
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if (!filename_is_valid(fn))
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return -EINVAL;
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extra = strempty(extra);
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t = new(char, strlen(p) + 2 + strlen(extra) + 6 + 1);
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if (!t)
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return -ENOMEM;
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strcpy(stpcpy(stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), extra), fn), "XXXXXX");
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*ret = path_simplify(t, false);
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return 0;
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}
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int tempfn_random(const char *p, const char *extra, char **ret) {
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const char *fn;
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char *t, *x;
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uint64_t u;
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unsigned i;
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assert(ret);
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if (isempty(p))
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return -EINVAL;
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if (path_equal(p, "/"))
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return -EINVAL;
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/*
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* Turns this:
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* /foo/bar/waldo
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*
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* Into this:
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* /foo/bar/.#<extra>waldobaa2a261115984a9
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*/
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fn = basename(p);
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if (!filename_is_valid(fn))
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return -EINVAL;
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extra = strempty(extra);
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t = new(char, strlen(p) + 2 + strlen(extra) + 16 + 1);
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if (!t)
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return -ENOMEM;
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x = stpcpy(stpcpy(stpcpy(mempcpy(t, p, fn - p), ".#"), extra), fn);
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u = random_u64();
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for (i = 0; i < 16; i++) {
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*(x++) = hexchar(u & 0xF);
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u >>= 4;
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}
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*x = 0;
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*ret = path_simplify(t, false);
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return 0;
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}
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int tempfn_random_child(const char *p, const char *extra, char **ret) {
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char *t, *x;
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uint64_t u;
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unsigned i;
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int r;
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assert(ret);
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/* Turns this:
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* /foo/bar/waldo
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* Into this:
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* /foo/bar/waldo/.#<extra>3c2b6219aa75d7d0
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*/
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if (!p) {
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r = tmp_dir(&p);
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if (r < 0)
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return r;
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}
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extra = strempty(extra);
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t = new(char, strlen(p) + 3 + strlen(extra) + 16 + 1);
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if (!t)
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return -ENOMEM;
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if (isempty(p))
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x = stpcpy(stpcpy(t, ".#"), extra);
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else
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x = stpcpy(stpcpy(stpcpy(t, p), "/.#"), extra);
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u = random_u64();
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for (i = 0; i < 16; i++) {
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*(x++) = hexchar(u & 0xF);
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u >>= 4;
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}
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*x = 0;
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*ret = path_simplify(t, false);
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return 0;
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}
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int open_tmpfile_unlinkable(const char *directory, int flags) {
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char *p;
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int fd, r;
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if (!directory) {
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r = tmp_dir(&directory);
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if (r < 0)
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return r;
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} else if (isempty(directory))
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return -EINVAL;
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/* Returns an unlinked temporary file that cannot be linked into the file system anymore */
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/* Try O_TMPFILE first, if it is supported */
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fd = open(directory, flags|O_TMPFILE|O_EXCL, S_IRUSR|S_IWUSR);
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if (fd >= 0)
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return fd;
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/* Fall back to unguessable name + unlinking */
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p = strjoina(directory, "/systemd-tmp-XXXXXX");
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fd = mkostemp_safe(p);
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if (fd < 0)
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return fd;
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(void) unlink(p);
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return fd;
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}
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int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
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_cleanup_free_ char *tmp = NULL;
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int r, fd;
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assert(target);
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assert(ret_path);
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/* Don't allow O_EXCL, as that has a special meaning for O_TMPFILE */
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assert((flags & O_EXCL) == 0);
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/* Creates a temporary file, that shall be renamed to "target" later. If possible, this uses O_TMPFILE – in
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* which case "ret_path" will be returned as NULL. If not possible a the tempoary path name used is returned in
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* "ret_path". Use link_tmpfile() below to rename the result after writing the file in full. */
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fd = open_parent(target, O_TMPFILE|flags, 0640);
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if (fd >= 0) {
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*ret_path = NULL;
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return fd;
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}
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log_debug_errno(fd, "Failed to use O_TMPFILE for %s: %m", target);
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r = tempfn_random(target, NULL, &tmp);
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if (r < 0)
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return r;
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fd = open(tmp, O_CREAT|O_EXCL|O_NOFOLLOW|O_NOCTTY|flags, 0640);
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if (fd < 0)
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return -errno;
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*ret_path = TAKE_PTR(tmp);
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return fd;
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}
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int link_tmpfile(int fd, const char *path, const char *target) {
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int r;
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assert(fd >= 0);
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assert(target);
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/* Moves a temporary file created with open_tmpfile() above into its final place. if "path" is NULL an fd
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* created with O_TMPFILE is assumed, and linkat() is used. Otherwise it is assumed O_TMPFILE is not supported
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* on the directory, and renameat2() is used instead.
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*
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* Note that in both cases we will not replace existing files. This is because linkat() does not support this
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* operation currently (renameat2() does), and there is no nice way to emulate this. */
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if (path) {
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r = rename_noreplace(AT_FDCWD, path, AT_FDCWD, target);
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if (r < 0)
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return r;
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} else {
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char proc_fd_path[STRLEN("/proc/self/fd/") + DECIMAL_STR_MAX(fd) + 1];
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xsprintf(proc_fd_path, "/proc/self/fd/%i", fd);
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if (linkat(AT_FDCWD, proc_fd_path, AT_FDCWD, target, AT_SYMLINK_FOLLOW) < 0)
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return -errno;
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}
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return 0;
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}
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int mkdtemp_malloc(const char *template, char **ret) {
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_cleanup_free_ char *p = NULL;
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int r;
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assert(ret);
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if (template)
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p = strdup(template);
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else {
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const char *tmp;
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r = tmp_dir(&tmp);
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if (r < 0)
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return r;
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p = strjoin(tmp, "/XXXXXX");
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}
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if (!p)
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return -ENOMEM;
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if (!mkdtemp(p))
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return -errno;
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*ret = TAKE_PTR(p);
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return 0;
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}
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