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-rw-r--r--src/shared/loopback-setup.c274
-rw-r--r--src/shared/loopback-setup.h27
-rw-r--r--src/shared/machine-id-setup.c265
-rw-r--r--src/shared/machine-id-setup.h27
-rw-r--r--src/shared/mount-setup.c423
-rw-r--r--src/shared/mount-setup.h36
6 files changed, 0 insertions, 1052 deletions
diff --git a/src/shared/loopback-setup.c b/src/shared/loopback-setup.c
deleted file mode 100644
index 46c1fc843a..0000000000
--- a/src/shared/loopback-setup.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <sys/socket.h>
-#include <net/if.h>
-#include <asm/types.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <linux/netlink.h>
-#include <linux/rtnetlink.h>
-
-#include "util.h"
-#include "macro.h"
-#include "loopback-setup.h"
-#include "socket-util.h"
-
-#define NLMSG_TAIL(nmsg) \
- ((struct rtattr *) (((uint8_t*) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
-
-static int add_rtattr(struct nlmsghdr *n, size_t max_length, int type, const void *data, size_t data_length) {
- size_t length;
- struct rtattr *rta;
-
- length = RTA_LENGTH(data_length);
-
- if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(length) > max_length)
- return -E2BIG;
-
- rta = NLMSG_TAIL(n);
- rta->rta_type = type;
- rta->rta_len = length;
- memcpy(RTA_DATA(rta), data, data_length);
- n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(length);
-
- return 0;
-}
-
-static ssize_t sendto_loop(int fd, const void *buf, size_t buf_len, int flags, const struct sockaddr *sa, socklen_t sa_len) {
-
- for (;;) {
- ssize_t l;
-
- if ((l = sendto(fd, buf, buf_len, flags, sa, sa_len)) >= 0)
- return l;
-
- if (errno != EINTR)
- return -errno;
- }
-}
-
-static ssize_t recvfrom_loop(int fd, void *buf, size_t buf_len, int flags, struct sockaddr *sa, socklen_t *sa_len) {
-
- for (;;) {
- ssize_t l;
-
- if ((l = recvfrom(fd, buf, buf_len, flags, sa, sa_len)) >= 0)
- return l;
-
- if (errno != EINTR)
- return -errno;
- }
-}
-
-static int add_adresses(int fd, int if_loopback, unsigned *requests) {
- union {
- struct sockaddr sa;
- struct sockaddr_nl nl;
- } sa;
- union {
- struct nlmsghdr header;
- uint8_t buf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
- NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
- RTA_LENGTH(sizeof(struct in6_addr))];
- } request;
-
- struct ifaddrmsg *ifaddrmsg;
- uint32_t ipv4_address = htonl(INADDR_LOOPBACK);
- int r;
-
- zero(request);
-
- request.header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
- request.header.nlmsg_type = RTM_NEWADDR;
- request.header.nlmsg_flags = NLM_F_REQUEST|NLM_F_CREATE|NLM_F_ACK;
- request.header.nlmsg_seq = *requests + 1;
-
- ifaddrmsg = NLMSG_DATA(&request.header);
- ifaddrmsg->ifa_family = AF_INET;
- ifaddrmsg->ifa_prefixlen = 8;
- ifaddrmsg->ifa_flags = IFA_F_PERMANENT;
- ifaddrmsg->ifa_scope = RT_SCOPE_HOST;
- ifaddrmsg->ifa_index = if_loopback;
-
- if ((r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL, &ipv4_address, sizeof(ipv4_address))) < 0)
- return r;
-
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
-
- if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
- return -errno;
- (*requests)++;
-
- if (!socket_ipv6_is_supported())
- return 0;
-
- request.header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
- request.header.nlmsg_seq = *requests + 1;
-
- ifaddrmsg->ifa_family = AF_INET6;
- ifaddrmsg->ifa_prefixlen = 128;
-
- if ((r = add_rtattr(&request.header, sizeof(request), IFA_LOCAL, &in6addr_loopback, sizeof(in6addr_loopback))) < 0)
- return r;
-
- if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
- return -errno;
- (*requests)++;
-
- return 0;
-}
-
-static int start_interface(int fd, int if_loopback, unsigned *requests) {
- union {
- struct sockaddr sa;
- struct sockaddr_nl nl;
- } sa;
- union {
- struct nlmsghdr header;
- uint8_t buf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
- NLMSG_ALIGN(sizeof(struct ifinfomsg))];
- } request;
-
- struct ifinfomsg *ifinfomsg;
-
- zero(request);
-
- request.header.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
- request.header.nlmsg_type = RTM_NEWLINK;
- request.header.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK;
- request.header.nlmsg_seq = *requests + 1;
-
- ifinfomsg = NLMSG_DATA(&request.header);
- ifinfomsg->ifi_family = AF_UNSPEC;
- ifinfomsg->ifi_index = if_loopback;
- ifinfomsg->ifi_flags = IFF_UP;
- ifinfomsg->ifi_change = IFF_UP;
-
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
-
- if (sendto_loop(fd, &request, request.header.nlmsg_len, 0, &sa.sa, sizeof(sa)) < 0)
- return -errno;
-
- (*requests)++;
-
- return 0;
-}
-
-static int read_response(int fd, unsigned requests_max) {
- union {
- struct sockaddr sa;
- struct sockaddr_nl nl;
- } sa;
- union {
- struct nlmsghdr header;
- uint8_t buf[NLMSG_ALIGN(sizeof(struct nlmsghdr)) +
- NLMSG_ALIGN(sizeof(struct nlmsgerr))];
- } response;
-
- ssize_t l;
- socklen_t sa_len = sizeof(sa);
- struct nlmsgerr *nlmsgerr;
-
- if ((l = recvfrom_loop(fd, &response, sizeof(response), 0, &sa.sa, &sa_len)) < 0)
- return -errno;
-
- if (sa_len != sizeof(sa.nl) ||
- sa.nl.nl_family != AF_NETLINK)
- return -EIO;
-
- if (sa.nl.nl_pid != 0)
- return 0;
-
- if ((size_t) l < sizeof(struct nlmsghdr))
- return -EIO;
-
- if (response.header.nlmsg_type != NLMSG_ERROR ||
- (pid_t) response.header.nlmsg_pid != getpid() ||
- response.header.nlmsg_seq >= requests_max)
- return 0;
-
- if ((size_t) l < NLMSG_LENGTH(sizeof(struct nlmsgerr)) ||
- response.header.nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr)))
- return -EIO;
-
- nlmsgerr = NLMSG_DATA(&response.header);
-
- if (nlmsgerr->error < 0 && nlmsgerr->error != -EEXIST) {
- log_warning("Netlink failure for request %i: %s", response.header.nlmsg_seq, strerror(-nlmsgerr->error));
- return nlmsgerr->error;
- }
-
- return response.header.nlmsg_seq;
-}
-
-int loopback_setup(void) {
- int r, if_loopback;
- union {
- struct sockaddr sa;
- struct sockaddr_nl nl;
- struct sockaddr_storage storage;
- } sa;
- unsigned requests = 0, i;
- int fd;
-
- errno = 0;
- if ((if_loopback = (int) if_nametoindex("lo")) <= 0)
- return errno ? -errno : -ENODEV;
-
- if ((fd = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE)) < 0)
- return -errno;
-
- zero(sa);
- sa.nl.nl_family = AF_NETLINK;
-
- if (bind(fd, &sa.sa, sizeof(sa)) < 0) {
- r = -errno;
- goto finish;
- }
-
- if ((r = add_adresses(fd, if_loopback, &requests)) < 0)
- goto finish;
-
- if ((r = start_interface(fd, if_loopback, &requests)) < 0)
- goto finish;
-
- for (i = 0; i < requests; i++) {
- if ((r = read_response(fd, requests)) < 0)
- goto finish;
- }
-
- r = 0;
-
-finish:
- if (r < 0)
- log_warning("Failed to configure loopback device: %s", strerror(-r));
-
- if (fd >= 0)
- close_nointr_nofail(fd);
-
- return r;
-}
diff --git a/src/shared/loopback-setup.h b/src/shared/loopback-setup.h
deleted file mode 100644
index cbb969e1e4..0000000000
--- a/src/shared/loopback-setup.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#ifndef fooloopbacksetuphfoo
-#define fooloopbacksetuphfoo
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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/>.
-***/
-
-int loopback_setup(void);
-
-#endif
diff --git a/src/shared/machine-id-setup.c b/src/shared/machine-id-setup.c
deleted file mode 100644
index 9e84ac0cb9..0000000000
--- a/src/shared/machine-id-setup.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/mount.h>
-
-#include <systemd/sd-id128.h>
-
-#include "machine-id-setup.h"
-#include "macro.h"
-#include "util.h"
-#include "mkdir.h"
-#include "log.h"
-#include "virt.h"
-
-static int shorten_uuid(char destination[36], const char *source) {
- unsigned i, j;
-
- for (i = 0, j = 0; i < 36 && j < 32; i++) {
- int t;
-
- t = unhexchar(source[i]);
- if (t < 0)
- continue;
-
- destination[j++] = hexchar(t);
- }
-
- if (i == 36 && j == 32) {
- destination[32] = '\n';
- destination[33] = 0;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int generate(char id[34]) {
- int fd, r;
- unsigned char *p;
- sd_id128_t buf;
- char *q;
- ssize_t k;
- const char *vm_id;
-
- assert(id);
-
- /* First, try reading the D-Bus machine id, unless it is a symlink */
- fd = open("/var/lib/dbus/machine-id", O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
- if (fd >= 0) {
-
- k = loop_read(fd, id, 32, false);
- close_nointr_nofail(fd);
-
- if (k >= 32) {
- id[32] = '\n';
- id[33] = 0;
-
- log_info("Initializing machine ID from D-Bus machine ID.");
- return 0;
- }
- }
-
- /* If that didn't work, see if we are running in qemu/kvm and a
- * machine ID was passed in via -uuid on the qemu/kvm command
- * line */
-
- r = detect_vm(&vm_id);
- if (r > 0 && streq(vm_id, "kvm")) {
- char uuid[37];
-
- fd = open("/sys/class/dmi/id/product_uuid", O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
- if (fd >= 0) {
- k = loop_read(fd, uuid, 36, false);
- close_nointr_nofail(fd);
-
- if (k >= 36) {
- r = shorten_uuid(id, uuid);
- if (r >= 0) {
- log_info("Initializing machine ID from KVM UUID");
- return 0;
- }
- }
- }
- }
-
- /* If that didn't work either, see if we are running in a
- * container, and a machine ID was passed in via
- * $container_uuid the way libvirt/LXC does it */
-
- r = detect_container(NULL);
- if (r > 0) {
- FILE *f;
-
- f = fopen("/proc/1/environ", "re");
- if (f) {
- bool done = false;
-
- do {
- char line[LINE_MAX];
- unsigned i;
-
- for (i = 0; i < sizeof(line)-1; i++) {
- int c;
-
- c = getc(f);
- if (_unlikely_(c == EOF)) {
- done = true;
- break;
- } else if (c == 0)
- break;
-
- line[i] = c;
- }
- line[i] = 0;
-
- if (startswith(line, "container_uuid=") &&
- strlen(line + 15) >= 36) {
- r = shorten_uuid(id, line + 15);
- if (r >= 0) {
- log_info("Initializing machine ID from container UUID");
- return 0;
- }
- }
-
- } while (!done);
-
- fclose(f);
- }
- }
-
- /* If that didn't work, generate a random machine id */
- r = sd_id128_randomize(&buf);
- if (r < 0) {
- log_error("Failed to open /dev/urandom: %s", strerror(-r));
- return r;
- }
-
- for (p = buf.bytes, q = id; p < buf.bytes + sizeof(buf); p++, q += 2) {
- q[0] = hexchar(*p >> 4);
- q[1] = hexchar(*p & 15);
- }
-
- id[32] = '\n';
- id[33] = 0;
-
- log_info("Initializing machine ID from random generator.");
-
- return 0;
-}
-
-int machine_id_setup(void) {
- int fd, r;
- bool writable;
- struct stat st;
- char id[34]; /* 32 + \n + \0 */
- mode_t m;
-
- m = umask(0000);
-
- /* We create this 0444, to indicate that this isn't really
- * something you should ever modify. Of course, since the file
- * will be owned by root it doesn't matter much, but maybe
- * people look. */
-
- fd = open("/etc/machine-id", O_RDWR|O_CREAT|O_CLOEXEC|O_NOCTTY, 0444);
- if (fd >= 0)
- writable = true;
- else {
- fd = open("/etc/machine-id", O_RDONLY|O_CLOEXEC|O_NOCTTY);
- if (fd < 0) {
- umask(m);
- log_error("Cannot open /etc/machine-id: %m");
- return -errno;
- }
-
- writable = false;
- }
-
- umask(m);
-
- if (fstat(fd, &st) < 0) {
- log_error("fstat() failed: %m");
- r = -errno;
- goto finish;
- }
-
- if (S_ISREG(st.st_mode)) {
- if (loop_read(fd, id, 32, false) >= 32) {
- r = 0;
- goto finish;
- }
- }
-
- /* Hmm, so, the id currently stored is not useful, then let's
- * generate one */
-
- r = generate(id);
- if (r < 0)
- goto finish;
-
- if (S_ISREG(st.st_mode) && writable) {
- lseek(fd, 0, SEEK_SET);
-
- if (loop_write(fd, id, 33, false) == 33) {
- r = 0;
- goto finish;
- }
- }
-
- close_nointr_nofail(fd);
- fd = -1;
-
- /* Hmm, we couldn't write it? So let's write it to
- * /run/machine-id as a replacement */
-
- m = umask(0022);
- r = write_one_line_file("/run/machine-id", id);
- umask(m);
-
- if (r < 0) {
- log_error("Cannot write /run/machine-id: %s", strerror(-r));
-
- unlink("/run/machine-id");
- goto finish;
- }
-
- /* And now, let's mount it over */
- r = mount("/run/machine-id", "/etc/machine-id", "bind", MS_BIND|MS_RDONLY, NULL) < 0 ? -errno : 0;
- if (r < 0) {
- unlink("/run/machine-id");
- log_error("Failed to mount /etc/machine-id: %s", strerror(-r));
- } else
- log_info("Installed transient /etc/machine-id file.");
-
-finish:
-
- if (fd >= 0)
- close_nointr_nofail(fd);
-
- return r;
-}
diff --git a/src/shared/machine-id-setup.h b/src/shared/machine-id-setup.h
deleted file mode 100644
index 16f45d86d3..0000000000
--- a/src/shared/machine-id-setup.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#ifndef foomachineidsetuphfoo
-#define foomachineidsetuphfoo
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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/>.
-***/
-
-int machine_id_setup(void);
-
-#endif
diff --git a/src/shared/mount-setup.c b/src/shared/mount-setup.c
deleted file mode 100644
index 52fe523674..0000000000
--- a/src/shared/mount-setup.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <sys/mount.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <stdlib.h>
-#include <string.h>
-#include <libgen.h>
-#include <assert.h>
-#include <unistd.h>
-#include <ftw.h>
-
-#include "mount-setup.h"
-#include "log.h"
-#include "macro.h"
-#include "util.h"
-#include "label.h"
-#include "set.h"
-#include "strv.h"
-#include "mkdir.h"
-
-#ifndef TTY_GID
-#define TTY_GID 5
-#endif
-
-typedef struct MountPoint {
- const char *what;
- const char *where;
- const char *type;
- const char *options;
- unsigned long flags;
- bool fatal;
-} MountPoint;
-
-/* The first three entries we might need before SELinux is up. The
- * fourth (securityfs) is needed by IMA to load a custom policy. The
- * other ones we can delay until SELinux and IMA are loaded. */
-#define N_EARLY_MOUNT 4
-
-static const MountPoint mount_table[] = {
- { "proc", "/proc", "proc", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "sysfs", "/sys", "sysfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, true },
- { "devtmpfs", "/dev", "devtmpfs", "mode=755", MS_NOSUID|MS_STRICTATIME, true },
- { "securityfs", "/sys/kernel/security", "securityfs", NULL, MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
- { "tmpfs", "/dev/shm", "tmpfs", "mode=1777", MS_NOSUID|MS_NODEV|MS_STRICTATIME, true },
- { "devpts", "/dev/pts", "devpts", "mode=620,gid=" STRINGIFY(TTY_GID), MS_NOSUID|MS_NOEXEC, false },
- { "tmpfs", "/run", "tmpfs", "mode=755", MS_NOSUID|MS_NODEV|MS_STRICTATIME, true },
- { "tmpfs", "/sys/fs/cgroup", "tmpfs", "mode=755", MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_STRICTATIME, false },
- { "cgroup", "/sys/fs/cgroup/systemd", "cgroup", "none,name=systemd", MS_NOSUID|MS_NOEXEC|MS_NODEV, false },
-};
-
-/* These are API file systems that might be mounted by other software,
- * we just list them here so that we know that we should ignore them */
-
-static const char * const ignore_paths[] = {
- "/sys/fs/selinux",
- "/selinux",
- "/proc/bus/usb"
-};
-
-bool mount_point_is_api(const char *path) {
- unsigned i;
-
- /* Checks if this mount point is considered "API", and hence
- * should be ignored */
-
- for (i = 0; i < ELEMENTSOF(mount_table); i ++)
- if (path_equal(path, mount_table[i].where))
- return true;
-
- return path_startswith(path, "/sys/fs/cgroup/");
-}
-
-bool mount_point_ignore(const char *path) {
- unsigned i;
-
- for (i = 0; i < ELEMENTSOF(ignore_paths); i++)
- if (path_equal(path, ignore_paths[i]))
- return true;
-
- return false;
-}
-
-static int mount_one(const MountPoint *p, bool relabel) {
- int r;
-
- assert(p);
-
- /* Relabel first, just in case */
- if (relabel)
- label_fix(p->where, true);
-
- if ((r = path_is_mount_point(p->where, true)) < 0)
- return r;
-
- if (r > 0)
- return 0;
-
- /* The access mode here doesn't really matter too much, since
- * the mounted file system will take precedence anyway. */
- mkdir_p(p->where, 0755);
-
- log_debug("Mounting %s to %s of type %s with options %s.",
- p->what,
- p->where,
- p->type,
- strna(p->options));
-
- if (mount(p->what,
- p->where,
- p->type,
- p->flags,
- p->options) < 0) {
- log_error("Failed to mount %s: %s", p->where, strerror(errno));
- return p->fatal ? -errno : 0;
- }
-
- /* Relabel again, since we now mounted something fresh here */
- if (relabel)
- label_fix(p->where, false);
-
- return 1;
-}
-
-int mount_setup_early(void) {
- unsigned i;
- int r = 0;
-
- assert_cc(N_EARLY_MOUNT <= ELEMENTSOF(mount_table));
-
- /* Do a minimal mount of /proc and friends to enable the most
- * basic stuff, such as SELinux */
- for (i = 0; i < N_EARLY_MOUNT; i ++) {
- int j;
-
- j = mount_one(mount_table + i, false);
- if (r == 0)
- r = j;
- }
-
- return r;
-}
-
-int mount_cgroup_controllers(char ***join_controllers) {
- int r;
- FILE *f;
- char buf[LINE_MAX];
- Set *controllers;
-
- /* Mount all available cgroup controllers that are built into the kernel. */
-
- f = fopen("/proc/cgroups", "re");
- if (!f) {
- log_error("Failed to enumerate cgroup controllers: %m");
- return 0;
- }
-
- controllers = set_new(string_hash_func, string_compare_func);
- if (!controllers) {
- r = -ENOMEM;
- log_error("Failed to allocate controller set.");
- goto finish;
- }
-
- /* Ignore the header line */
- (void) fgets(buf, sizeof(buf), f);
-
- for (;;) {
- char *controller;
- int enabled = 0;
-
- if (fscanf(f, "%ms %*i %*i %i", &controller, &enabled) != 2) {
-
- if (feof(f))
- break;
-
- log_error("Failed to parse /proc/cgroups.");
- r = -EIO;
- goto finish;
- }
-
- if (!enabled) {
- free(controller);
- continue;
- }
-
- r = set_put(controllers, controller);
- if (r < 0) {
- log_error("Failed to add controller to set.");
- free(controller);
- goto finish;
- }
- }
-
- for (;;) {
- MountPoint p;
- char *controller, *where, *options;
- char ***k = NULL;
-
- controller = set_steal_first(controllers);
- if (!controller)
- break;
-
- if (join_controllers)
- for (k = join_controllers; *k; k++)
- if (strv_find(*k, controller))
- break;
-
- if (k && *k) {
- char **i, **j;
-
- for (i = *k, j = *k; *i; i++) {
-
- if (!streq(*i, controller)) {
- char *t;
-
- t = set_remove(controllers, *i);
- if (!t) {
- free(*i);
- continue;
- }
- free(t);
- }
-
- *(j++) = *i;
- }
-
- *j = NULL;
-
- options = strv_join(*k, ",");
- if (!options) {
- log_error("Failed to join options");
- free(controller);
- r = -ENOMEM;
- goto finish;
- }
-
- } else {
- options = controller;
- controller = NULL;
- }
-
- where = strappend("/sys/fs/cgroup/", options);
- if (!where) {
- log_error("Failed to build path");
- free(options);
- r = -ENOMEM;
- goto finish;
- }
-
- zero(p);
- p.what = "cgroup";
- p.where = where;
- p.type = "cgroup";
- p.options = options;
- p.flags = MS_NOSUID|MS_NOEXEC|MS_NODEV;
- p.fatal = false;
-
- r = mount_one(&p, true);
- free(controller);
- free(where);
-
- if (r < 0) {
- free(options);
- goto finish;
- }
-
- if (r > 0 && k && *k) {
- char **i;
-
- for (i = *k; *i; i++) {
- char *t;
-
- t = strappend("/sys/fs/cgroup/", *i);
- if (!t) {
- log_error("Failed to build path");
- r = -ENOMEM;
- free(options);
- goto finish;
- }
-
- r = symlink(options, t);
- free(t);
-
- if (r < 0 && errno != EEXIST) {
- log_error("Failed to create symlink: %m");
- r = -errno;
- free(options);
- goto finish;
- }
- }
- }
-
- free(options);
- }
-
- r = 0;
-
-finish:
- set_free_free(controllers);
-
- fclose(f);
-
- return r;
-}
-
-static int symlink_and_label(const char *old_path, const char *new_path) {
- int r;
-
- assert(old_path);
- assert(new_path);
-
- if ((r = label_symlinkfile_set(new_path)) < 0)
- return r;
-
- if (symlink(old_path, new_path) < 0)
- r = -errno;
-
- label_file_clear();
-
- return r;
-}
-
-static int nftw_cb(
- const char *fpath,
- const struct stat *sb,
- int tflag,
- struct FTW *ftwbuf) {
-
- /* No need to label /dev twice in a row... */
- if (_unlikely_(ftwbuf->level == 0))
- return FTW_CONTINUE;
-
- label_fix(fpath, true);
-
- /* /run/initramfs is static data and big, no need to
- * dynamically relabel its contents at boot... */
- if (_unlikely_(ftwbuf->level == 1 &&
- tflag == FTW_D &&
- streq(fpath, "/run/initramfs")))
- return FTW_SKIP_SUBTREE;
-
- return FTW_CONTINUE;
-};
-
-int mount_setup(bool loaded_policy) {
-
- static const char symlinks[] =
- "/proc/kcore\0" "/dev/core\0"
- "/proc/self/fd\0" "/dev/fd\0"
- "/proc/self/fd/0\0" "/dev/stdin\0"
- "/proc/self/fd/1\0" "/dev/stdout\0"
- "/proc/self/fd/2\0" "/dev/stderr\0";
-
- static const char relabel[] =
- "/run/initramfs/root-fsck\0"
- "/run/initramfs/shutdown\0";
-
- int r;
- unsigned i;
- const char *j, *k;
-
- for (i = 0; i < ELEMENTSOF(mount_table); i ++) {
- r = mount_one(mount_table + i, true);
-
- if (r < 0)
- return r;
- }
-
- /* Nodes in devtmpfs and /run need to be manually updated for
- * the appropriate labels, after mounting. The other virtual
- * API file systems like /sys and /proc do not need that, they
- * use the same label for all their files. */
- if (loaded_policy) {
- usec_t before_relabel, after_relabel;
- char timespan[FORMAT_TIMESPAN_MAX];
-
- before_relabel = now(CLOCK_MONOTONIC);
-
- nftw("/dev", nftw_cb, 64, FTW_MOUNT|FTW_PHYS|FTW_ACTIONRETVAL);
- nftw("/run", nftw_cb, 64, FTW_MOUNT|FTW_PHYS|FTW_ACTIONRETVAL);
-
- /* Explicitly relabel these */
- NULSTR_FOREACH(j, relabel)
- label_fix(j, true);
-
- after_relabel = now(CLOCK_MONOTONIC);
-
- log_info("Relabelled /dev and /run in %s.",
- format_timespan(timespan, sizeof(timespan), after_relabel - before_relabel));
- }
-
- /* Create a few default symlinks, which are normally created
- * by udevd, but some scripts might need them before we start
- * udevd. */
- NULSTR_FOREACH_PAIR(j, k, symlinks)
- symlink_and_label(j, k);
-
- /* Create a few directories we always want around */
- label_mkdir("/run/systemd", 0755);
- label_mkdir("/run/systemd/system", 0755);
-
- return 0;
-}
diff --git a/src/shared/mount-setup.h b/src/shared/mount-setup.h
deleted file mode 100644
index 720b66f76c..0000000000
--- a/src/shared/mount-setup.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#ifndef foomountsetuphfoo
-#define foomountsetuphfoo
-
-/***
- This file is part of systemd.
-
- Copyright 2010 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 <stdbool.h>
-
-int mount_setup_early(void);
-
-int mount_setup(bool loaded_policy);
-
-int mount_cgroup_controllers(char ***join_controllers);
-
-bool mount_point_is_api(const char *path);
-bool mount_point_ignore(const char *path);
-
-#endif