87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <sys/epoll.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <sys/socket.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <errno.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <sys/signalfd.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <unistd.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include <fcntl.h>

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering#include <stddef.h>

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering#include <sys/ioctl.h>

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering#include <linux/sockios.h>

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering#include <sys/statvfs.h>

cee5e9a7ca75f05d4a0f7759566e657587a500d5Lennart Poettering#include <sys/mman.h>

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

bdfb9e7f7c315af5a6755ac4701b696ce2305a19Lennart Poettering#include <libudev.h>

81527be142678057215665be66e4b3c8306a7ab3Lennart Poettering#include <systemd/sd-journal.h>

81527be142678057215665be66e4b3c8306a7ab3Lennart Poettering#include <systemd/sd-messages.h>

81527be142678057215665be66e4b3c8306a7ab3Lennart Poettering#include <systemd/sd-daemon.h>

81527be142678057215665be66e4b3c8306a7ab3Lennart Poettering

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#ifdef HAVE_LOGIND

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#include <systemd/sd-login.h>

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#endif

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering

49e942b2bc9fdedba79cd266a076ce9c9d91fc13Kay Sievers#include "mkdir.h"

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "hashmap.h"

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering#include "journal-file.h"

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering#include "socket-util.h"

69e5d42db09dfb638bc74055c33bb2645f81563dLennart Poettering#include "cgroup-util.h"

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering#include "list.h"

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering#include "virt.h"

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering#include "missing.h"

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering#include "conf-parser.h"

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering#include "journal-internal.h"

0284adc6a60ce0af1107cb0b50041a65d731f39eLennart Poettering#include "journal-vacuum.h"

89fef99014662a5a63e7deaedd6292b7fb4ab2f8Lennart Poettering#include "journal-authenticate.h"

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering#include "journald.h"

d2bd7630d7ebbf9a86cca96e39d56efd4558ead4Lennart Poettering#include "journald-rate-limit.h"

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering#include "journald-kmsg.h"

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering#include "journald-syslog.h"

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering#include "journald-stream.h"

3b7124a8db56ed57525b9ecfd19cfdc8c9facba0Lennart Poettering#include "journald-console.h"

0153028ae379eb7c9a463c548ef73ea392c6cdb0Lennart Poettering#include "journald-native.h"

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#ifdef HAVE_ACL

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#include <sys/acl.h>

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#include <acl/libacl.h>

79c077224be5a868d0bba66972ef9546dae85977Kay Sievers#include "acl-util.h"

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#endif

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering#ifdef HAVE_SELINUX

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering#include <selinux/selinux.h>

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering#endif

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering#define USER_JOURNALS_MAX 1024

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

de97b26ac5e29063632312ec1a20eb6318ca924cLennart Poettering#define DEFAULT_RATE_LIMIT_INTERVAL (10*USEC_PER_SEC)

de97b26ac5e29063632312ec1a20eb6318ca924cLennart Poettering#define DEFAULT_RATE_LIMIT_BURST 200

de97b26ac5e29063632312ec1a20eb6318ca924cLennart Poettering

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering#define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poetteringstatic const char* const storage_table[] = {

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering [STORAGE_AUTO] = "auto",

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering [STORAGE_VOLATILE] = "volatile",

205c4d1d6a3f5343f970abf20283d69dcec359edLennart Poettering [STORAGE_PERSISTENT] = "persistent",

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering [STORAGE_NONE] = "none"

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering};

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart PoetteringDEFINE_STRING_TABLE_LOOKUP(storage, Storage);

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart PoetteringDEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poetteringstatic uint64_t available_space(Server *s) {

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering char ids[33], *p;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering const char *f;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering sd_id128_t machine;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering struct statvfs ss;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering uint64_t sum = 0, avail = 0, ss_avail = 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering int r;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering DIR *d;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering usec_t ts;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering JournalMetrics *m;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering ts = now(CLOCK_MONOTONIC);

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts)

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering return s->cached_available_space;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering r = sd_id128_get_machine(&machine);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (r < 0)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering if (s->system_journal) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering f = "/var/log/journal/";

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering m = &s->system_metrics;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering } else {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering f = "/run/log/journal/";

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering m = &s->runtime_metrics;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering }

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering assert(m);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering p = strappend(f, sd_id128_to_string(machine, ids));

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (!p)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering d = opendir(p);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering free(p);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (!d)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (fstatvfs(dirfd(d), &ss) < 0)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering goto finish;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering for (;;) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering struct stat st;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering struct dirent buf, *de;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

34a35eced40860181757abe5ec00ac0e5d8d0225Lennart Poettering r = readdir_r(d, &buf, &de);

34a35eced40860181757abe5ec00ac0e5d8d0225Lennart Poettering if (r != 0)

34a35eced40860181757abe5ec00ac0e5d8d0225Lennart Poettering break;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (!de)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering break;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

c042179388f329fb1e45b00e1a533a0dc27fb9aeLennart Poettering if (!endswith(de->d_name, ".journal") &&

c042179388f329fb1e45b00e1a533a0dc27fb9aeLennart Poettering !endswith(de->d_name, ".journal~"))

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering continue;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering continue;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

a3a52c0fd0c2597bf8233730c3ed3408affe0c9fLennart Poettering if (!S_ISREG(st.st_mode))

a3a52c0fd0c2597bf8233730c3ed3408affe0c9fLennart Poettering continue;

a3a52c0fd0c2597bf8233730c3ed3408affe0c9fLennart Poettering

a3a52c0fd0c2597bf8233730c3ed3408affe0c9fLennart Poettering sum += (uint64_t) st.st_blocks * 512UL;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering avail = sum >= m->max_use ? 0 : m->max_use - sum;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering ss_avail = ss.f_bsize * ss.f_bavail;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering ss_avail = ss_avail < m->keep_free ? 0 : ss_avail - m->keep_free;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (ss_avail < avail)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering avail = ss_avail;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering s->cached_available_space = avail;

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering s->cached_available_space_timestamp = ts;

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poetteringfinish:

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering closedir(d);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return avail;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering}

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poetteringstatic void server_read_file_gid(Server *s) {

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering const char *adm = "adm";

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering int r;

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering assert(s);

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering if (s->file_gid_valid)

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering return;

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering r = get_group_creds(&adm, &s->file_gid);

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering if (r < 0)

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering log_warning("Failed to resolve 'adm' group: %s", strerror(-r));

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering /* if we couldn't read the gid, then it will be 0, but that's

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering s->file_gid_valid = true;

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering}

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poetteringstatic void server_fix_perms(Server *s, JournalFile *f, uid_t uid) {

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering int r;

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#ifdef HAVE_ACL

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_t acl;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_entry_t entry;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_permset_t permset;

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#endif

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering assert(f);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering server_read_file_gid(s);

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering r = fchmod_and_fchown(f->fd, 0640, 0, s->file_gid);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (r < 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering log_warning("Failed to fix access mode/rights on %s, ignoring: %s", f->path, strerror(-r));

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#ifdef HAVE_ACL

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (uid <= 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl = acl_get_fd(f->fd);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (!acl) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering log_warning("Failed to read ACL on %s, ignoring: %m", f->path);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering }

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering r = acl_find_uid(acl, uid, &entry);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (r <= 0) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (acl_create_entry(&acl, &entry) < 0 ||

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_set_tag_type(entry, ACL_USER) < 0 ||

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_set_qualifier(entry, &uid) < 0) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering log_warning("Failed to patch ACL on %s, ignoring: %m", f->path);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering goto finish;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering }

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering }

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (acl_get_permset(entry, &permset) < 0 ||

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_add_perm(permset, ACL_READ) < 0 ||

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_calc_mask(&acl) < 0) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering log_warning("Failed to patch ACL on %s, ignoring: %m", f->path);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering goto finish;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering }

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (acl_set_fd(f->fd, acl) < 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering log_warning("Failed to set ACL on %s, ignoring: %m", f->path);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poetteringfinish:

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering acl_free(acl);

e6520a0fcebb4d5e07f4c81a51382501b0beb22fLennart Poettering#endif

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering}

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poetteringstatic JournalFile* find_journal(Server *s, uid_t uid) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering char *p;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering int r;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering JournalFile *f;

3fbf9cbb02690e40cd65802e777519f3f3c8d88aLennart Poettering sd_id128_t machine;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering assert(s);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering /* We split up user logs only on /var, not on /run. If the

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (s->runtime_journal)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return s->runtime_journal;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (uid <= 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return s->system_journal;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

3fbf9cbb02690e40cd65802e777519f3f3c8d88aLennart Poettering r = sd_id128_get_machine(&machine);

3fbf9cbb02690e40cd65802e777519f3f3c8d88aLennart Poettering if (r < 0)

3fbf9cbb02690e40cd65802e777519f3f3c8d88aLennart Poettering return s->system_journal;

3fbf9cbb02690e40cd65802e777519f3f3c8d88aLennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering f = hashmap_get(s->user_journals, UINT32_TO_PTR(uid));

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (f)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return f;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-%lu.journal",

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering SD_ID128_FORMAT_VAL(machine), (unsigned long) uid) < 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return s->system_journal;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering while (hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering /* Too many open? Then let's close one */

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering f = hashmap_steal_first(s->user_journals);

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering assert(f);

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering journal_file_close(f);

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering }

cab8ac60837b489b27a247990f741315c71cb389Lennart Poettering

eb53b74f7e2f83d936b35107806a157fdffdbf5aLennart Poettering r = journal_file_open_reliably(p, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, s->system_journal, &f);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering free(p);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (r < 0)

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return s->system_journal;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering server_fix_perms(s, f, uid);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering r = hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering if (r < 0) {

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering journal_file_close(f);

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return s->system_journal;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering }

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering return f;

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering}

f4b4781191e8edfb5690e4447166e3ba7bcb48f5Lennart Poettering

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poetteringstatic void server_rotate(Server *s) {

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering JournalFile *f;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering void *k;

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering Iterator i;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering int r;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering log_info("Rotating...");

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (s->runtime_journal) {

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering r = journal_file_rotate(&s->runtime_journal, s->compress, false);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (r < 0)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons if (s->runtime_journal)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r));

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons else

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to create new runtime journal: %s", strerror(-r));

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering else

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering server_fix_perms(s, s->runtime_journal, 0);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (s->system_journal) {

eb53b74f7e2f83d936b35107806a157fdffdbf5aLennart Poettering r = journal_file_rotate(&s->system_journal, s->compress, s->seal);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (r < 0)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons if (s->system_journal)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r));

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons else

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to create new system journal: %s", strerror(-r));

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering else

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering server_fix_perms(s, s->system_journal, 0);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {

eb53b74f7e2f83d936b35107806a157fdffdbf5aLennart Poettering r = journal_file_rotate(&f, s->compress, s->seal);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (r < 0)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons if (f->path)

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to rotate %s: %s", f->path, strerror(-r));

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons else

499fb2152f8518796607dd0406698cb6ce4c7098Sjoerd Simons log_error("Failed to create user journal: %s", strerror(-r));

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering else {

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering hashmap_replace(s->user_journals, k, f);

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering server_fix_perms(s, s->system_journal, PTR_TO_UINT32(k));

5e62067d08d989ab98b12497a9b27a877de8515bLennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering }

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering}

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poetteringstatic void server_vacuum(Server *s) {

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering char *p;

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering char ids[33];

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering sd_id128_t machine;

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering int r;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering log_info("Vacuuming...");

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering r = sd_id128_get_machine(&machine);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering if (r < 0) {

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering log_error("Failed to get machine ID: %s", strerror(-r));

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering return;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering sd_id128_to_string(machine, ids);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering if (s->system_journal) {

99add6fd0b8f4307ed79256e25f38da318e795c4Lennart Poettering p = strappend("/var/log/journal/", ids);

99add6fd0b8f4307ed79256e25f38da318e795c4Lennart Poettering if (!p) {

0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden log_oom();

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering return;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering r = journal_directory_vacuum(p, s->system_metrics.max_use, s->system_metrics.keep_free);

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering if (r < 0 && r != -ENOENT)

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering log_error("Failed to vacuum %s: %s", p, strerror(-r));

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering free(p);

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering }

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering if (s->runtime_journal) {

99add6fd0b8f4307ed79256e25f38da318e795c4Lennart Poettering p = strappend("/run/log/journal/", ids);

99add6fd0b8f4307ed79256e25f38da318e795c4Lennart Poettering if (!p) {

0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden log_oom();

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering return;

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering }

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering r = journal_directory_vacuum(p, s->runtime_metrics.max_use, s->runtime_metrics.keep_free);

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering if (r < 0 && r != -ENOENT)

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering log_error("Failed to vacuum %s: %s", p, strerror(-r));

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering free(p);

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering }

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering

9cfb57c989b62d11c073c77179df4bb7fa19f35dLennart Poettering s->cached_available_space_timestamp = 0;

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering}

bc85bfee87e11317fbcd1160c9003860dc6edde9Lennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poetteringstatic char *shortened_cgroup_path(pid_t pid) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering int r;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering char *process_path, *init_path, *path;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering assert(pid > 0);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, pid, &process_path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (r < 0)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return NULL;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &init_path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (r < 0) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering free(process_path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return NULL;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

bad75c274a488715a845ff8e5ec3140036929e94Lennart Poettering if (endswith(init_path, "/system"))

bad75c274a488715a845ff8e5ec3140036929e94Lennart Poettering init_path[strlen(init_path) - 7] = 0;

bad75c274a488715a845ff8e5ec3140036929e94Lennart Poettering else if (streq(init_path, "/"))

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering init_path[0] = 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering if (startswith(process_path, init_path)) {

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering char *p;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering p = strdup(process_path + strlen(init_path));

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering if (!p) {

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering free(process_path);

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering free(init_path);

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering return NULL;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering }

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering path = p;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering } else {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering path = process_path;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering process_path = NULL;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering free(process_path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering free(init_path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return path;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering}

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poetteringstatic void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n) {

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering JournalFile *f;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering bool vacuumed = false;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering int r;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering assert(s);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering assert(iovec);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering assert(n > 0);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering f = find_journal(s, uid);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering if (!f)

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering return;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering if (journal_file_rotate_suggested(f)) {

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_info("Journal header limits reached or header out-of-date, rotating.");

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering server_rotate(s);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering server_vacuum(s);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering vacuumed = true;

c2a623d842af3a4d67e1f4e365f6d6a47f1c6cb4Lennart Poettering

c2a623d842af3a4d67e1f4e365f6d6a47f1c6cb4Lennart Poettering f = find_journal(s, uid);

c2a623d842af3a4d67e1f4e365f6d6a47f1c6cb4Lennart Poettering if (!f)

c2a623d842af3a4d67e1f4e365f6d6a47f1c6cb4Lennart Poettering return;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering }

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering for (;;) {

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering if (r >= 0)

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering return;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering if (vacuumed ||

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering (r != -E2BIG && /* hit limit */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -EFBIG && /* hit fs limit */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -EDQUOT && /* quota hit */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -ENOSPC && /* disk full */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -EBADMSG && /* corrupted */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -ENODATA && /* truncated */

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering r != -EHOSTDOWN && /* other machine */

71fa6f006f92831c0c02e844b4c35e4b7197c6d6Lennart Poettering r != -EPROTONOSUPPORT && /* unsupported feature */

71fa6f006f92831c0c02e844b4c35e4b7197c6d6Lennart Poettering r != -EBUSY && /* unclean shutdown */

71fa6f006f92831c0c02e844b4c35e4b7197c6d6Lennart Poettering r != -ESHUTDOWN /* already archived */)) {

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_error("Failed to write entry, ignoring: %s", strerror(-r));

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering return;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering }

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering if (r == -E2BIG || r == -EFBIG || r == EDQUOT || r == ENOSPC)

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_info("Allocation limit reached, rotating.");

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering else if (r == -EHOSTDOWN)

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_info("Journal file from other machine, rotating.");

71fa6f006f92831c0c02e844b4c35e4b7197c6d6Lennart Poettering else if (r == -EBUSY)

71fa6f006f92831c0c02e844b4c35e4b7197c6d6Lennart Poettering log_info("Unlcean shutdown, rotating.");

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering else

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_warning("Journal file corrupted, rotating.");

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering server_rotate(s);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering server_vacuum(s);

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering vacuumed = true;

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

32fca2d5b746b86bbbbd4f1b57064076cfc2ae4bLennart Poettering f = find_journal(s, uid);

32fca2d5b746b86bbbbd4f1b57064076cfc2ae4bLennart Poettering if (!f)

32fca2d5b746b86bbbbd4f1b57064076cfc2ae4bLennart Poettering return;

32fca2d5b746b86bbbbd4f1b57064076cfc2ae4bLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering log_info("Retrying write.");

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering }

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering}

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poetteringstatic void dispatch_message_real(

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering Server *s,

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering struct iovec *iovec, unsigned n, unsigned m,

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering struct ucred *ucred,

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering struct timeval *tv,

8b38f3cc3eb73adf9536cb73d0f319e60d42ea0cLennart Poettering const char *label, size_t label_len,

8b38f3cc3eb73adf9536cb73d0f319e60d42ea0cLennart Poettering const char *unit_id) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering char *pid = NULL, *uid = NULL, *gid = NULL,

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *source_time = NULL, *boot_id = NULL, *machine_id = NULL,

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *comm = NULL, *cmdline = NULL, *hostname = NULL,

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering *audit_session = NULL, *audit_loginuid = NULL,

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering *exe = NULL, *cgroup = NULL, *session = NULL,

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering *owner_uid = NULL, *unit = NULL, *selinux_context = NULL;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering char idbuf[33];

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering sd_id128_t id;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering int r;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering char *t;

de190aef08bb267b645205a747762df573b36834Lennart Poettering uid_t loginuid = 0, realuid = 0;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering assert(s);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering assert(iovec);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering assert(n > 0);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering assert(n + N_IOVEC_META_FIELDS <= m);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ucred) {

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering uint32_t audit;

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#ifdef HAVE_LOGIND

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering uid_t owner;

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#endif

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

de190aef08bb267b645205a747762df573b36834Lennart Poettering realuid = ucred->uid;

de190aef08bb267b645205a747762df573b36834Lennart Poettering

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&pid, "_PID=%lu", (unsigned long) ucred->pid) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], pid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&uid, "_UID=%lu", (unsigned long) ucred->uid) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], uid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&gid, "_GID=%lu", (unsigned long) ucred->gid) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], gid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = get_process_comm(ucred->pid, &t);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0) {

de190aef08bb267b645205a747762df573b36834Lennart Poettering comm = strappend("_COMM=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (comm)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], comm);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = get_process_exe(ucred->pid, &t);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0) {

de190aef08bb267b645205a747762df573b36834Lennart Poettering exe = strappend("_EXE=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

5c3759bf8a3d418fa877e6a278f3150f404745b2Lennart Poettering if (exe)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], exe);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = get_process_cmdline(ucred->pid, LINE_MAX, false, &t);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0) {

de190aef08bb267b645205a747762df573b36834Lennart Poettering cmdline = strappend("_CMDLINE=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (cmdline)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], cmdline);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering r = audit_session_from_pid(ucred->pid, &audit);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0)

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering if (asprintf(&audit_session, "_AUDIT_SESSION=%lu", (unsigned long) audit) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], audit_session);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = audit_loginuid_from_pid(ucred->pid, &loginuid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0)

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&audit_loginuid, "_AUDIT_LOGINUID=%lu", (unsigned long) loginuid) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], audit_loginuid);

69e5d42db09dfb638bc74055c33bb2645f81563dLennart Poettering

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering t = shortened_cgroup_path(ucred->pid);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering if (t) {

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering cgroup = strappend("_SYSTEMD_CGROUP=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

69e5d42db09dfb638bc74055c33bb2645f81563dLennart Poettering if (cgroup)

69e5d42db09dfb638bc74055c33bb2645f81563dLennart Poettering IOVEC_SET_STRING(iovec[n++], cgroup);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering }

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#ifdef HAVE_LOGIND

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering if (sd_pid_get_session(ucred->pid, &t) >= 0) {

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering session = strappend("_SYSTEMD_SESSION=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering if (session)

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering IOVEC_SET_STRING(iovec[n++], session);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering if (sd_pid_get_owner_uid(ucred->uid, &owner) >= 0)

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering if (asprintf(&owner_uid, "_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner) >= 0)

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering IOVEC_SET_STRING(iovec[n++], owner_uid);

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering#endif

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering

ba1261bc02693ac8a7712ade14aab8e22989ba88Lennart Poettering if (cg_pid_get_unit(ucred->pid, &t) >= 0) {

94fb446e55babb713fb24850455627acf30d999bLennart Poettering unit = strappend("_SYSTEMD_UNIT=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra } else if (unit_id)

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra unit = strappend("_SYSTEMD_UNIT=", unit_id);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra if (unit)

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra IOVEC_SET_STRING(iovec[n++], unit);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering#ifdef HAVE_SELINUX

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering if (label) {

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering selinux_context = malloc(sizeof("_SELINUX_CONTEXT=") + label_len);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering if (selinux_context) {

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering memcpy(selinux_context, "_SELINUX_CONTEXT=", sizeof("_SELINUX_CONTEXT=")-1);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering memcpy(selinux_context+sizeof("_SELINUX_CONTEXT=")-1, label, label_len);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering selinux_context[sizeof("_SELINUX_CONTEXT=")-1+label_len] = 0;

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering IOVEC_SET_STRING(iovec[n++], selinux_context);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering }

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering } else {

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering security_context_t con;

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering if (getpidcon(ucred->pid, &con) >= 0) {

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering selinux_context = strappend("_SELINUX_CONTEXT=", con);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering if (selinux_context)

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering IOVEC_SET_STRING(iovec[n++], selinux_context);

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering freecon(con);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering }

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering }

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering#endif

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (tv) {

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu",

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering (unsigned long long) timeval_load(tv)) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], source_time);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

ed49ef3f349bcd4f0483ba8254a2537fe8e9cd17Lennart Poettering /* Note that strictly speaking storing the boot id here is

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = sd_id128_get_boot(&id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0)

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&boot_id, "_BOOT_ID=%s", sd_id128_to_string(id, idbuf)) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], boot_id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering r = sd_id128_get_machine(&id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (r >= 0)

de190aef08bb267b645205a747762df573b36834Lennart Poettering if (asprintf(&machine_id, "_MACHINE_ID=%s", sd_id128_to_string(id, idbuf)) >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], machine_id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering t = gethostname_malloc();

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (t) {

de190aef08bb267b645205a747762df573b36834Lennart Poettering hostname = strappend("_HOSTNAME=", t);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(t);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (hostname)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering IOVEC_SET_STRING(iovec[n++], hostname);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering assert(n <= m);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

dca6219e04505e9fa10b32e71059ce2abfae1dadLennart Poettering write_to_journal(s, realuid == 0 ? 0 : loginuid, iovec, n);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(pid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(uid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(gid);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(comm);

69e5d42db09dfb638bc74055c33bb2645f81563dLennart Poettering free(exe);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(cmdline);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(source_time);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(boot_id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(machine_id);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(hostname);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(audit_session);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering free(audit_loginuid);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering free(cgroup);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(session);

85d83bf41c8bdf55c10b7f845d81e5787ef6c295Lennart Poettering free(owner_uid);

94fb446e55babb713fb24850455627acf30d999bLennart Poettering free(unit);

8a0f04e6a283cc6734ee09a20305c13e09ba0418Lennart Poettering free(selinux_context);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering}

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poetteringvoid server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering char mid[11 + 32 + 1];

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering char buffer[16 + LINE_MAX + 1];

33eb8abfa51d5bffbf8819215fafdd1123a4a8c0Lennart Poettering struct iovec iovec[N_IOVEC_META_FIELDS + 4];

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering int n = 0;

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering va_list ap;

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering struct ucred ucred;

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering assert(s);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering assert(format);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

c51742d02981196f992aef5f3d72799f22ee89e0Lennart Poettering IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");

33eb8abfa51d5bffbf8819215fafdd1123a4a8c0Lennart Poettering IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering memcpy(buffer, "MESSAGE=", 8);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering va_start(ap, format);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering vsnprintf(buffer + 8, sizeof(buffer) - 8, format, ap);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering va_end(ap);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering char_array_0(buffer);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering IOVEC_SET_STRING(iovec[n++], buffer);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering snprintf(mid, sizeof(mid), "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(message_id));

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering char_array_0(mid);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering IOVEC_SET_STRING(iovec[n++], mid);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering zero(ucred);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering ucred.pid = getpid();

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering ucred.uid = getuid();

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering ucred.gid = getgid();

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering}

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poetteringvoid server_dispatch_message(

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering Server *s,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering struct iovec *iovec, unsigned n, unsigned m,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering struct ucred *ucred,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering struct timeval *tv,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering const char *label, size_t label_len,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering const char *unit_id,

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering int priority) {

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering int rl;

783d2675eff73d1937bf8f78b368b1004c2d28c5Lennart Poettering char *path = NULL, *c;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering assert(s);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering assert(iovec || n == 0);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (n == 0)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering if (LOG_PRI(priority) > s->max_level_store)

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering return;

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (!ucred)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering goto finish;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering path = shortened_cgroup_path(ucred->pid);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (!path)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering goto finish;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering /* example: /user/lennart/3/foobar

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering c = strchr(path, '/');

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (c) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering c = strchr(c+1, '/');

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (c) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering c = strchr(c+1, '/');

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (c)

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering *c = 0;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering rl = journal_rate_limit_test(s->rate_limit, path, priority & LOG_PRIMASK, available_space(s));

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering if (rl == 0) {

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering free(path);

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering return;

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering }

6e409ce10d134625626d1eddfd6152755ef1908dLennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering /* Write a suppression message if we suppressed something */

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering if (rl > 1)

ef63833d532dd86bdba63211e6a1363cbb3ef61dLennart Poettering server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED, "Suppressed %u messages from %s", rl - 1, path);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering free(path);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poetteringfinish:

62bca2c657bf95fd1f69935eef09915afa5c69d9Eelco Dolstra dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id);

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering}

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poetteringstatic int system_journal_open(Server *s) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering int r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering char *fn;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering sd_id128_t machine;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering char ids[33];

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = sd_id128_get_machine(&machine);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0)

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering sd_id128_to_string(machine, ids);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering if (!s->system_journal &&

b8156be03f71c53072c7126bb418410acbef6c81Lennart Poettering (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&

b8156be03f71c53072c7126bb418410acbef6c81Lennart Poettering access("/run/systemd/journal/flushed", F_OK) >= 0) {

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering /* If in auto mode: first try to create the machine

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

b8156be03f71c53072c7126bb418410acbef6c81Lennart Poettering if (s->storage == STORAGE_PERSISTENT)

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering (void) mkdir("/var/log/journal/", 0755);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering fn = strappend("/var/log/journal/", ids);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (!fn)

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return -ENOMEM;

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering (void) mkdir(fn, 0755);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering free(fn);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

b7def684941808600c344f0be7a2b9fcdda97e0fLennart Poettering fn = strjoin("/var/log/journal/", ids, "/system.journal", NULL);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (!fn)

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return -ENOMEM;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

eb53b74f7e2f83d936b35107806a157fdffdbf5aLennart Poettering r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering free(fn);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering if (r >= 0)

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering server_fix_perms(s, s->system_journal, 0);

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering else if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering if (r != -ENOENT && r != -EROFS)

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering log_warning("Failed to open system journal: %s", strerror(-r));

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering r = 0;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering if (!s->runtime_journal &&

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering (s->storage != STORAGE_NONE)) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

b7def684941808600c344f0be7a2b9fcdda97e0fLennart Poettering fn = strjoin("/run/log/journal/", ids, "/system.journal", NULL);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (!fn)

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return -ENOMEM;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (s->system_journal) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering /* Try to open the runtime journal, but only

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

16e9f408fa9a9626059bdd6c89dc175e06b9e976Lennart Poettering r = journal_file_open(fn, O_RDWR, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering free(fn);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering if (r != -ENOENT)

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering log_warning("Failed to open runtime journal: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

adf7d506b50af9ba398a9925c8cd47ba328e720cLennart Poettering r = 0;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering } else {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering /* OK, we really need the runtime journal, so create

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

b8156be03f71c53072c7126bb418410acbef6c81Lennart Poettering (void) mkdir_parents(fn, 0755);

16e9f408fa9a9626059bdd6c89dc175e06b9e976Lennart Poettering r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering free(fn);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_error("Failed to open runtime journal: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

7560fffcd2531786b9c1ca657667a43e90331326Lennart Poettering if (s->runtime_journal)

5e41cfec83aa47af12e469bc62e336f8213ee066Lennart Poettering server_fix_perms(s, s->runtime_journal, 0);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering}

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poetteringstatic int server_flush_to_var(Server *s) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering Object *o = NULL;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering int r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering sd_id128_t machine;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering sd_journal *j;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering assert(s);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering if (s->storage != STORAGE_AUTO &&

205c4d1d6a3f5343f970abf20283d69dcec359edLennart Poettering s->storage != STORAGE_PERSISTENT)

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering return 0;

e156d769c3ee756cdb20f8522ace9ea459a82655Lennart Poettering

54a7b863dd3937893abae47b20b6f655b8e9252aLennart Poettering if (!s->runtime_journal)

54a7b863dd3937893abae47b20b6f655b8e9252aLennart Poettering return 0;

54a7b863dd3937893abae47b20b6f655b8e9252aLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering system_journal_open(s);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

54a7b863dd3937893abae47b20b6f655b8e9252aLennart Poettering if (!s->system_journal)

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return 0;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering log_info("Flushing to /var...");

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = sd_id128_get_machine(&machine);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_error("Failed to get machine id: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_error("Failed to read runtime journal: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering SD_JOURNAL_FOREACH(j) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering JournalFile *f;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering f = j->current_file;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering assert(f && f->current_offset > 0);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_error("Can't read entry: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering goto finish;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r == -E2BIG) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_info("Allocation limit reached.");

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering journal_file_post_change(s->system_journal);

b1a0ab714863ae77e4683820757b3f49c03a0049Lennart Poettering server_rotate(s);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering server_vacuum(s);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (r < 0) {

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering log_error("Can't write entry: %s", strerror(-r));

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering goto finish;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poetteringfinish:

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering journal_file_post_change(s->system_journal);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering journal_file_close(s->runtime_journal);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering s->runtime_journal = NULL;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

4a299a7ad547becb70e8271eaf8cdc27e8e6836aLennart Poettering if (r >= 0)

4a299a7ad547becb70e8271eaf8cdc27e8e6836aLennart Poettering rm_rf("/run/log/journal", false, true, false);

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering return r;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering}

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poetteringstatic int process_event(Server *s, struct epoll_event *ev) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering assert(s);

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering assert(ev);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (ev->data.fd == s->signal_fd) {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct signalfd_siginfo sfsi;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ssize_t n;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (ev->events != EPOLLIN) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_info("Got invalid event from epoll.");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -EIO;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering n = read(s->signal_fd, &sfsi, sizeof(sfsi));

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (n != sizeof(sfsi)) {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (n >= 0)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -EIO;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (errno == EINTR || errno == EAGAIN)

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering return 1;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -errno;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

3146a302d184d64a5c75237129f9e4f54ce46cd3Lennart Poettering log_info("Received SIG%s", signal_to_string(sfsi.ssi_signo));

3146a302d184d64a5c75237129f9e4f54ce46cd3Lennart Poettering

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering if (sfsi.ssi_signo == SIGUSR1) {

b8156be03f71c53072c7126bb418410acbef6c81Lennart Poettering touch("/run/systemd/journal/flushed");

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering server_flush_to_var(s);

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering return 1;

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering }

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering if (sfsi.ssi_signo == SIGUSR2) {

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering server_rotate(s);

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering server_vacuum(s);

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering return 1;

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering }

cf244689e9d1ab50082c9ddd0f3c4d1eb982badcLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 0;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

51abe64c859c01ffad4f80840396ad9f6d5c9e62Lennart Poettering } else if (ev->data.fd == s->dev_kmsg_fd) {

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering int r;

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering if (ev->events != EPOLLIN) {

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering log_info("Got invalid event from epoll.");

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering return -EIO;

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering }

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering

51abe64c859c01ffad4f80840396ad9f6d5c9e62Lennart Poettering r = server_read_dev_kmsg(s);

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering if (r < 0)

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering return r;

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering return 1;

6c1e6b98bde8288d65d7cddf87ff9bedf94a3e1cLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering } else if (ev->data.fd == s->native_fd ||

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering ev->data.fd == s->syslog_fd) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (ev->events != EPOLLIN) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_info("Got invalid event from epoll.");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -EIO;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (;;) {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct msghdr msghdr;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct iovec iovec;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct ucred *ucred = NULL;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct timeval *tv = NULL;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct cmsghdr *cmsg;

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering char *label = NULL;

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering size_t label_len = 0;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering union {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering struct cmsghdr cmsghdr;

7264278fbbdc1dc6c30fedc902d1337594aa6ff6Lennart Poettering

7264278fbbdc1dc6c30fedc902d1337594aa6ff6Lennart Poettering /* We use NAME_MAX space for the

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering CMSG_SPACE(sizeof(struct timeval)) +

7264278fbbdc1dc6c30fedc902d1337594aa6ff6Lennart Poettering CMSG_SPACE(sizeof(int)) + /* fd */

7264278fbbdc1dc6c30fedc902d1337594aa6ff6Lennart Poettering CMSG_SPACE(NAME_MAX)]; /* selinux label */

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering } control;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ssize_t n;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering int v;

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering int *fds = NULL;

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering unsigned n_fds = 0;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (ioctl(ev->data.fd, SIOCINQ, &v) < 0) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering log_error("SIOCINQ failed: %m");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -errno;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (s->buffer_size < (size_t) v) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering void *b;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering size_t l;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering l = MAX(LINE_MAX + (size_t) v, s->buffer_size * 2);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering b = realloc(s->buffer, l+1);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (!b) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering log_error("Couldn't increase buffer.");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -ENOMEM;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering s->buffer_size = l;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering s->buffer = b;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering zero(iovec);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering iovec.iov_base = s->buffer;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering iovec.iov_len = s->buffer_size;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering zero(control);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering zero(msghdr);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering msghdr.msg_iov = &iovec;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering msghdr.msg_iovlen = 1;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering msghdr.msg_control = &control;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering msghdr.msg_controllen = sizeof(control);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering n = recvmsg(ev->data.fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (n < 0) {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (errno == EINTR || errno == EAGAIN)

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return 1;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering log_error("recvmsg() failed: %m");

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering return -errno;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) {

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering if (cmsg->cmsg_level == SOL_SOCKET &&

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmsg->cmsg_type == SCM_CREDENTIALS &&

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering ucred = (struct ucred*) CMSG_DATA(cmsg);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering else if (cmsg->cmsg_level == SOL_SOCKET &&

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering cmsg->cmsg_type == SCM_SECURITY) {

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering label = (char*) CMSG_DATA(cmsg);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering label_len = cmsg->cmsg_len - CMSG_LEN(0);

7f2c63cbf47c89ec56f50469f6551df473dd65d8Lennart Poettering } else if (cmsg->cmsg_level == SOL_SOCKET &&

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmsg->cmsg_type == SO_TIMESTAMP &&

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering tv = (struct timeval*) CMSG_DATA(cmsg);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering else if (cmsg->cmsg_level == SOL_SOCKET &&

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering cmsg->cmsg_type == SCM_RIGHTS) {

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering fds = (int*) CMSG_DATA(cmsg);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (ev->data.fd == s->syslog_fd) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering char *e;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering if (n > 0 && n_fds == 0) {

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering e = memchr(s->buffer, '\n', n);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering if (e)

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering *e = 0;

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering else

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering s->buffer[n] = 0;

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering } else if (n_fds > 0)

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering log_warning("Got file descriptors via syslog socket. Ignoring.");

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering } else {

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering if (n > 0 && n_fds == 0)

0153028ae379eb7c9a463c548ef73ea392c6cdb0Lennart Poettering server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering else if (n == 0 && n_fds == 1)

0153028ae379eb7c9a463c548ef73ea392c6cdb0Lennart Poettering server_process_native_file(s, fds[0], ucred, tv, label, label_len);

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering else if (n_fds > 0)

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering log_warning("Got too many file descriptors via native socket. Ignoring.");

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

0dad12c190b7493955cd60d2a1625199b1709f69Lennart Poettering close_many(fds, n_fds);

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering return 1;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering } else if (ev->data.fd == s->stdout_fd) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (ev->events != EPOLLIN) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_info("Got invalid event from epoll.");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -EIO;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering stdout_stream_new(s);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return 1;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering } else {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering StdoutStream *stream;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if ((ev->events|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_info("Got invalid event from epoll.");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -EIO;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering /* If it is none of the well-known fds, it must be an

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering stream = ev->data.ptr;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (stdout_stream_process(stream) <= 0)

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering stdout_stream_free(stream);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return 1;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering }

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering log_error("Unknown event.");

cec736d21ff86c4ac81b4d306ddba2120333818cLennart Poettering return 0;

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering}

87d2c1ff6a7375f03476767e6f59454bcc5cd04bLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poetteringstatic int open_signalfd(Server *s) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering sigset_t mask;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering struct epoll_event ev;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering assert(s);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering assert_se(sigemptyset(&mask) == 0);

ba6b3039531a70466dd955c6faa9bf521b3dfbacLennart Poettering sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering s->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (s->signal_fd < 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_error("signalfd(): %m");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -errno;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering zero(ev);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering ev.events = EPOLLIN;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering ev.data.fd = s->signal_fd;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->signal_fd, &ev) < 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_error("epoll_ctl(): %m");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -errno;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return 0;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering}

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poetteringstatic int server_parse_proc_cmdline(Server *s) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering char *line, *w, *state;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering int r;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering size_t l;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (detect_container(NULL) > 0)

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering return 0;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = read_one_line_file("/proc/cmdline", &line);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (r < 0) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering return 0;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering }

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering FOREACH_WORD_QUOTED(w, l, line, state) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering char *word;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering word = strndup(w, l);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (!word) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = -ENOMEM;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering goto finish;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering }

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

c66e7bc7a19c068ca1c414f2f8bd5dc13c20907fLennart Poettering if (startswith(word, "systemd.journald.forward_to_syslog=")) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = parse_boolean(word + 35);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (r < 0)

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering else

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering s->forward_to_syslog = r;

c66e7bc7a19c068ca1c414f2f8bd5dc13c20907fLennart Poettering } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = parse_boolean(word + 33);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (r < 0)

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering else

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering s->forward_to_kmsg = r;

c66e7bc7a19c068ca1c414f2f8bd5dc13c20907fLennart Poettering } else if (startswith(word, "systemd.journald.forward_to_console=")) {

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = parse_boolean(word + 36);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering if (r < 0)

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering else

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering s->forward_to_console = r;

66a78c2b95ba6cc0be15dab68c5af816fb5b7a33Lennart Poettering } else if (startswith(word, "systemd.journald"))

66a78c2b95ba6cc0be15dab68c5af816fb5b7a33Lennart Poettering log_warning("Invalid systemd.journald parameter. Ignoring.");

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering free(word);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering }

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering r = 0;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poetteringfinish:

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering free(line);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering return r;

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering}

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poetteringstatic int server_parse_config_file(Server *s) {

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering FILE *f;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering const char *fn;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering int r;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering assert(s);

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

18b754d345ecb0b15e369978aaffa72e9814b86aKay Sievers fn = "/etc/systemd/journald.conf";

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering f = fopen(fn, "re");

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering if (!f) {

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering if (errno == ENOENT)

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering return 0;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering log_warning("Failed to open configuration file %s: %m", fn);

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering return -errno;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering }

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering r = config_parse(fn, f, "Journal\0", config_item_perf_lookup, (void*) journald_gperf_lookup, false, s);

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering if (r < 0)

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering log_warning("Failed to parse configuration file: %s", strerror(-r));

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering fclose(f);

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering return r;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering}

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poetteringstatic int server_init(Server *s) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering int n, r, fd;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering assert(s);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering zero(*s);

51abe64c859c01ffad4f80840396ad9f6d5c9e62Lennart Poettering s->syslog_fd = s->native_fd = s->stdout_fd = s->signal_fd = s->epoll_fd = s->dev_kmsg_fd = -1;

807e17f05e217b474af39503efb9503d81b12596Lennart Poettering s->compress = true;

eb53b74f7e2f83d936b35107806a157fdffdbf5aLennart Poettering s->seal = true;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering s->rate_limit_interval = DEFAULT_RATE_LIMIT_INTERVAL;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST;

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering s->forward_to_syslog = true;

224f2ee221e77c326d1d7761abb6e812432b2163Lennart Poettering

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering s->max_level_store = LOG_DEBUG;

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering s->max_level_syslog = LOG_DEBUG;

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering s->max_level_kmsg = LOG_NOTICE;

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering s->max_level_console = LOG_INFO;

213ba152fdf7978773be5b8a72e040584765137fLennart Poettering

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering memset(&s->system_metrics, 0xFF, sizeof(s->system_metrics));

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering memset(&s->runtime_metrics, 0xFF, sizeof(s->runtime_metrics));

babfc09177c1e71cec6c1ef9602e265ed40cfe4fLennart Poettering

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering server_parse_config_file(s);

effb1102d3f1d6bc2d0bda5328d3ce2139af9850Lennart Poettering server_parse_proc_cmdline(s);

e6960940b6dc5ab81eb2fca4061c333e1795f38dLennart Poettering

cee5e9a7ca75f05d4a0f7759566e657587a500d5Lennart Poettering mkdir_p("/run/systemd/journal", 0755);

cee5e9a7ca75f05d4a0f7759566e657587a500d5Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering s->user_journals = hashmap_new(trivial_hash_func, trivial_compare_func);

0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden if (!s->user_journals)

0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden return log_oom();

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

84168d8068bb67dcd5468ab3b376535d81643aefLennart Poettering s->mmap = mmap_cache_new();

16e9f408fa9a9626059bdd6c89dc175e06b9e976Lennart Poettering if (!s->mmap)

16e9f408fa9a9626059bdd6c89dc175e06b9e976Lennart Poettering return log_oom();

16e9f408fa9a9626059bdd6c89dc175e06b9e976Lennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering s->epoll_fd = epoll_create1(EPOLL_CLOEXEC);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (s->epoll_fd < 0) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering log_error("Failed to create epoll object: %m");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -errno;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering n = sd_listen_fds(true);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (n < 0) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering log_error("Failed to read listening file descriptors from environment: %s", strerror(-n));

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return n;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

259d2e762041d8d50c2a17bfea90b1a96f6b880bLennart Poettering if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/socket", 0) > 0) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (s->native_fd >= 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_error("Too many native sockets passed.");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -EINVAL;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering s->native_fd = fd;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

259d2e762041d8d50c2a17bfea90b1a96f6b880bLennart Poettering } else if (sd_is_socket_unix(fd, SOCK_STREAM, 1, "/run/systemd/journal/stdout", 0) > 0) {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (s->stdout_fd >= 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_error("Too many stdout sockets passed.");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -EINVAL;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering s->stdout_fd = fd;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering } else if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/dev/log", 0) > 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (s->syslog_fd >= 0) {

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering log_error("Too many /dev/log sockets passed.");

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return -EINVAL;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering }

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering s->syslog_fd = fd;

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering } else {

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering log_error("Unknown socket passed.");

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return -EINVAL;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering }

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

35e2e347d38cc2f8bd7c38a0d8a5129f5fbb0ab9Lennart Poettering r = server_open_syslog_socket(s);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (r < 0)

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return r;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

0153028ae379eb7c9a463c548ef73ea392c6cdb0Lennart Poettering r = server_open_native_socket(s);

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering if (r < 0)

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering return r;

7f3e62571a63ac90de6ac5eefeeb8d3e9aa6f49eLennart Poettering

a45b9fca6b91a767dcd9060cfcb30617dad234c7Lennart Poettering r = server_open_stdout_socket(s);

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering if (r < 0)

fe6521272ba203ec8f0d5a94f0729960b3f90525Lennart Poettering return r;