+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <linux/oom.h>
-#include <assert.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sched.h>
-#include <sys/prctl.h>
-#include <sys/mount.h>
-#include <linux/fs.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-
-#include "unit.h"
-#include "strv.h"
-#include "conf-parser.h"
-#include "load-fragment.h"
-#include "log.h"
-#include "ioprio.h"
-#include "securebits.h"
-#include "missing.h"
-#include "unit-name.h"
-#include "bus-errors.h"
-#include "utf8.h"
-
-#ifndef HAVE_SYSV_COMPAT
-int config_parse_warn_compat(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- log_debug("[%s:%u] Support for option %s= has been disabled at compile time and is ignored", filename, line, lvalue);
- return 0;
-}
-#endif
-
-int config_parse_unit_deps(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- UnitDependency d = ltype;
- Unit *u = userdata;
- char *w;
- size_t l;
- char *state;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t, *k;
- int r;
-
- t = strndup(w, l);
- if (!t)
- return -ENOMEM;
-
- k = unit_name_printf(u, t);
- free(t);
- if (!k)
- return -ENOMEM;
-
- r = unit_add_dependency_by_name(u, d, k, NULL, true);
- if (r < 0)
- log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", filename, line, k, strerror(-r));
-
- free(k);
- }
-
- return 0;
-}
-
-int config_parse_unit_names(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *w;
- size_t l;
- char *state;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t, *k;
- int r;
-
- t = strndup(w, l);
- if (!t)
- return -ENOMEM;
-
- k = unit_name_printf(u, t);
- free(t);
- if (!k)
- return -ENOMEM;
-
- r = unit_merge_by_name(u, k);
- if (r < 0)
- log_error("Failed to add name %s, ignoring: %s", k, strerror(-r));
-
- free(k);
- }
-
- return 0;
-}
-
-int config_parse_unit_string_printf(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *k;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(u);
-
- k = unit_full_printf(u, rvalue);
- if (!k)
- return -ENOMEM;
-
- r = config_parse_string(filename, line, section, lvalue, ltype, k, data, userdata);
- free (k);
-
- return r;
-}
-
-int config_parse_unit_strv_printf(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *k;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(u);
-
- k = unit_full_printf(u, rvalue);
- if (!k)
- return -ENOMEM;
-
- r = config_parse_strv(filename, line, section, lvalue, ltype, k, data, userdata);
- free(k);
-
- return r;
-}
-
-int config_parse_unit_path_printf(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *k;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(u);
-
- k = unit_full_printf(u, rvalue);
- if (!k)
- return -ENOMEM;
-
- r = config_parse_path(filename, line, section, lvalue, ltype, k, data, userdata);
- free(k);
-
- return r;
-}
-
-int config_parse_socket_listen(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- SocketPort *p, *tail;
- Socket *s;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- s = SOCKET(data);
-
- p = new0(SocketPort, 1);
- if (!p)
- return -ENOMEM;
-
- if (streq(lvalue, "ListenFIFO")) {
- p->type = SOCKET_FIFO;
-
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
- free(p);
- return -ENOMEM;
- }
-
- path_kill_slashes(p->path);
-
- } else if (streq(lvalue, "ListenSpecial")) {
- p->type = SOCKET_SPECIAL;
-
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
- free(p);
- return -ENOMEM;
- }
-
- path_kill_slashes(p->path);
-
- } else if (streq(lvalue, "ListenMessageQueue")) {
-
- p->type = SOCKET_MQUEUE;
-
- if (!(p->path = unit_full_printf(UNIT(s), rvalue))) {
- free(p);
- return -ENOMEM;
- }
-
- path_kill_slashes(p->path);
-
- } else if (streq(lvalue, "ListenNetlink")) {
- char *k;
- int r;
-
- p->type = SOCKET_SOCKET;
- k = unit_full_printf(UNIT(s), rvalue);
- r = socket_address_parse_netlink(&p->address, k);
- free(k);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
- free(p);
- return 0;
- }
-
- } else {
- char *k;
- int r;
-
- p->type = SOCKET_SOCKET;
- k = unit_full_printf(UNIT(s), rvalue);
- r = socket_address_parse(&p->address, k);
- free(k);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
- free(p);
- return 0;
- }
-
- if (streq(lvalue, "ListenStream"))
- p->address.type = SOCK_STREAM;
- else if (streq(lvalue, "ListenDatagram"))
- p->address.type = SOCK_DGRAM;
- else {
- assert(streq(lvalue, "ListenSequentialPacket"));
- p->address.type = SOCK_SEQPACKET;
- }
-
- if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
- log_error("[%s:%u] Address family not supported, ignoring: %s", filename, line, rvalue);
- free(p);
- return 0;
- }
- }
-
- p->fd = -1;
-
- if (s->ports) {
- LIST_FIND_TAIL(SocketPort, port, s->ports, tail);
- LIST_INSERT_AFTER(SocketPort, port, s->ports, tail, p);
- } else
- LIST_PREPEND(SocketPort, port, s->ports, p);
-
- return 0;
-}
-
-int config_parse_socket_bind(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Socket *s;
- SocketAddressBindIPv6Only b;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- s = SOCKET(data);
-
- if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) {
- int r;
-
- if ((r = parse_boolean(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse bind IPv6 only value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH;
- } else
- s->bind_ipv6_only = b;
-
- return 0;
-}
-
-int config_parse_exec_nice(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int priority;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &priority) < 0) {
- log_error("[%s:%u] Failed to parse nice priority, ignoring: %s. ", filename, line, rvalue);
- return 0;
- }
-
- if (priority < PRIO_MIN || priority >= PRIO_MAX) {
- log_error("[%s:%u] Nice priority out of range, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->nice = priority;
- c->nice_set = true;
-
- return 0;
-}
-
-int config_parse_exec_oom_score_adjust(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int oa;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &oa) < 0) {
- log_error("[%s:%u] Failed to parse the OOM score adjust value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (oa < OOM_SCORE_ADJ_MIN || oa > OOM_SCORE_ADJ_MAX) {
- log_error("[%s:%u] OOM score adjust value out of range, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->oom_score_adjust = oa;
- c->oom_score_adjust_set = true;
-
- return 0;
-}
-
-int config_parse_exec(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecCommand **e = data, *nce;
- char *path, **n;
- unsigned k;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(e);
-
- /* We accept an absolute path as first argument, or
- * alternatively an absolute prefixed with @ to allow
- * overriding of argv[0]. */
-
- e += ltype;
-
- for (;;) {
- char *w;
- size_t l;
- char *state;
- bool honour_argv0 = false, ignore = false;
-
- path = NULL;
- nce = NULL;
- n = NULL;
-
- rvalue += strspn(rvalue, WHITESPACE);
-
- if (rvalue[0] == 0)
- break;
-
- if (rvalue[0] == '-') {
- ignore = true;
- rvalue ++;
- }
-
- if (rvalue[0] == '@') {
- honour_argv0 = true;
- rvalue ++;
- }
-
- if (*rvalue != '/') {
- log_error("[%s:%u] Invalid executable path in command line, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- k = 0;
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- if (strncmp(w, ";", MAX(l, 1U)) == 0)
- break;
-
- k++;
- }
-
- n = new(char*, k + !honour_argv0);
- if (!n)
- return -ENOMEM;
-
- k = 0;
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- if (strncmp(w, ";", MAX(l, 1U)) == 0)
- break;
-
- if (honour_argv0 && w == rvalue) {
- assert(!path);
-
- path = strndup(w, l);
- if (!path) {
- r = -ENOMEM;
- goto fail;
- }
-
- if (!utf8_is_valid(path)) {
- log_error("[%s:%u] Path is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue);
- r = 0;
- goto fail;
- }
-
- } else {
- char *c;
-
- c = n[k++] = cunescape_length(w, l);
- if (!c) {
- r = -ENOMEM;
- goto fail;
- }
-
- if (!utf8_is_valid(c)) {
- log_error("[%s:%u] Path is not UTF-8 clean, ignoring assignment: %s", filename, line, rvalue);
- r = 0;
- goto fail;
- }
- }
- }
-
- n[k] = NULL;
-
- if (!n[0]) {
- log_error("[%s:%u] Invalid command line, ignoring: %s", filename, line, rvalue);
- r = 0;
- goto fail;
- }
-
- if (!path) {
- path = strdup(n[0]);
- if (!path) {
- r = -ENOMEM;
- goto fail;
- }
- }
-
- assert(path_is_absolute(path));
-
- nce = new0(ExecCommand, 1);
- if (!nce) {
- r = -ENOMEM;
- goto fail;
- }
-
- nce->argv = n;
- nce->path = path;
- nce->ignore = ignore;
-
- path_kill_slashes(nce->path);
-
- exec_command_append_list(e, nce);
-
- rvalue = state;
- }
-
- return 0;
-
-fail:
- n[k] = NULL;
- strv_free(n);
- free(path);
- free(nce);
-
- return r;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier");
-
-int config_parse_socket_bindtodevice(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Socket *s = data;
- char *n;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (rvalue[0] && !streq(rvalue, "*")) {
- if (!(n = strdup(rvalue)))
- return -ENOMEM;
- } else
- n = NULL;
-
- free(s->bind_to_device);
- s->bind_to_device = n;
-
- return 0;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier");
-
-int config_parse_facility(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- int *o = data, x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = log_facility_unshifted_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse log facility, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *o = (x << 3) | LOG_PRI(*o);
-
- return 0;
-}
-
-int config_parse_level(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- int *o = data, x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = log_level_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse log level, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *o = (*o & LOG_FACMASK) | x;
- return 0;
-}
-
-int config_parse_exec_io_class(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = ioprio_class_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse IO scheduling class, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio));
- c->ioprio_set = true;
-
- return 0;
-}
-
-int config_parse_exec_io_priority(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) {
- log_error("[%s:%u] Failed to parse io priority, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
- c->ioprio_set = true;
-
- return 0;
-}
-
-int config_parse_exec_cpu_sched_policy(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
-
- ExecContext *c = data;
- int x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = sched_policy_from_string(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse CPU scheduling policy, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->cpu_sched_policy = x;
- c->cpu_sched_set = true;
-
- return 0;
-}
-
-int config_parse_exec_cpu_sched_prio(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- /* On Linux RR/FIFO have the same range */
- if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) {
- log_error("[%s:%u] Failed to parse CPU scheduling priority, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->cpu_sched_priority = i;
- c->cpu_sched_set = true;
-
- return 0;
-}
-
-int config_parse_exec_cpu_affinity(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t;
- int r;
- unsigned cpu;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- r = safe_atou(t, &cpu);
- free(t);
-
- if (!(c->cpuset))
- if (!(c->cpuset = cpu_set_malloc(&c->cpuset_ncpus)))
- return -ENOMEM;
-
- if (r < 0 || cpu >= c->cpuset_ncpus) {
- log_error("[%s:%u] Failed to parse CPU affinity, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset);
- }
-
- return 0;
-}
-
-int config_parse_exec_capabilities(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- cap_t cap;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (!(cap = cap_from_text(rvalue))) {
- if (errno == ENOMEM)
- return -ENOMEM;
-
- log_error("[%s:%u] Failed to parse capabilities, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (c->capabilities)
- cap_free(c->capabilities);
- c->capabilities = cap;
-
- return 0;
-}
-
-int config_parse_exec_secure_bits(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- if (first_word(w, "keep-caps"))
- c->secure_bits |= SECURE_KEEP_CAPS;
- else if (first_word(w, "keep-caps-locked"))
- c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
- else if (first_word(w, "no-setuid-fixup"))
- c->secure_bits |= SECURE_NO_SETUID_FIXUP;
- else if (first_word(w, "no-setuid-fixup-locked"))
- c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
- else if (first_word(w, "noroot"))
- c->secure_bits |= SECURE_NOROOT;
- else if (first_word(w, "noroot-locked"))
- c->secure_bits |= SECURE_NOROOT_LOCKED;
- else {
- log_error("[%s:%u] Failed to parse secure bits, ignoring: %s", filename, line, rvalue);
- return 0;
- }
- }
-
- return 0;
-}
-
-int config_parse_exec_bounding_set(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
- bool invert = false;
- uint64_t sum = 0;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (rvalue[0] == '~') {
- invert = true;
- rvalue++;
- }
-
- /* Note that we store this inverted internally, since the
- * kernel wants it like this. But we actually expose it
- * non-inverted everywhere to have a fully normalized
- * interface. */
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t;
- int r;
- cap_value_t cap;
-
- if (!(t = strndup(w, l)))
- return -ENOMEM;
-
- r = cap_from_name(t, &cap);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to parse capability bounding set, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- sum |= ((uint64_t) 1ULL) << (uint64_t) cap;
- }
-
- if (invert)
- c->capability_bounding_set_drop |= sum;
- else
- c->capability_bounding_set_drop |= ~sum;
-
- return 0;
-}
-
-int config_parse_exec_timer_slack_nsec(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- unsigned long u;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atolu(rvalue, &u) < 0) {
- log_error("[%s:%u] Failed to parse time slack value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c->timer_slack_nsec = u;
-
- return 0;
-}
-
-int config_parse_limit(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- struct rlimit **rl = data;
- unsigned long long u;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- rl += ltype;
-
- if (streq(rvalue, "infinity"))
- u = (unsigned long long) RLIM_INFINITY;
- else if (safe_atollu(rvalue, &u) < 0) {
- log_error("[%s:%u] Failed to parse resource value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (!*rl)
- if (!(*rl = new(struct rlimit, 1)))
- return -ENOMEM;
-
- (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u;
- return 0;
-}
-
-int config_parse_unit_cgroup(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = userdata;
- char *w;
- size_t l;
- char *state;
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t, *k;
- int r;
-
- t = strndup(w, l);
- if (!t)
- return -ENOMEM;
-
- k = unit_full_printf(u, t);
- free(t);
-
- if (!k)
- return -ENOMEM;
-
- t = cunescape(k);
- free(k);
-
- if (!t)
- return -ENOMEM;
-
- r = unit_add_cgroup_from_text(u, t);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to parse cgroup value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
- }
-
- return 0;
-}
-
-#ifdef HAVE_SYSV_COMPAT
-int config_parse_sysv_priority(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *priority = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &i) < 0 || i < 0) {
- log_error("[%s:%u] Failed to parse SysV start priority, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *priority = (int) i;
- return 0;
-}
-#endif
-
-int config_parse_fsck_passno(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *passno = data;
- int i;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atoi(rvalue, &i) || i < 0) {
- log_error("[%s:%u] Failed to parse fsck pass number, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *passno = (int) i;
- return 0;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
-
-int config_parse_kill_signal(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *sig = data;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(sig);
-
- if ((r = signal_from_string_try_harder(rvalue)) <= 0) {
- log_error("[%s:%u] Failed to parse kill signal, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *sig = r;
- return 0;
-}
-
-int config_parse_exec_mount_flags(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ExecContext *c = data;
- char *w;
- size_t l;
- char *state;
- unsigned long flags = 0;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- if (strncmp(w, "shared", MAX(l, 6U)) == 0)
- flags |= MS_SHARED;
- else if (strncmp(w, "slave", MAX(l, 5U)) == 0)
- flags |= MS_SLAVE;
- else if (strncmp(w, "private", MAX(l, 7U)) == 0)
- flags |= MS_PRIVATE;
- else {
- log_error("[%s:%u] Failed to parse mount flags, ignoring: %s", filename, line, rvalue);
- return 0;
- }
- }
-
- c->mount_flags = flags;
- return 0;
-}
-
-int config_parse_timer(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Timer *t = data;
- usec_t u;
- TimerValue *v;
- TimerBase b;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((b = timer_base_from_string(lvalue)) < 0) {
- log_error("[%s:%u] Failed to parse timer base, ignoring: %s", filename, line, lvalue);
- return 0;
- }
-
- if (parse_usec(rvalue, &u) < 0) {
- log_error("[%s:%u] Failed to parse timer value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (!(v = new0(TimerValue, 1)))
- return -ENOMEM;
-
- v->base = b;
- v->value = u;
-
- LIST_PREPEND(TimerValue, value, t->values, v);
-
- return 0;
-}
-
-int config_parse_timer_unit(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Timer *t = data;
- int r;
- DBusError error;
- Unit *u;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- dbus_error_init(&error);
-
- if (endswith(rvalue, ".timer")) {
- log_error("[%s:%u] Unit cannot be of type timer, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- r = manager_load_unit(UNIT(t)->manager, rvalue, NULL, NULL, &u);
- if (r < 0) {
- log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r));
- dbus_error_free(&error);
- return 0;
- }
-
- unit_ref_set(&t->unit, u);
-
- return 0;
-}
-
-int config_parse_path_spec(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Path *p = data;
- PathSpec *s;
- PathType b;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((b = path_type_from_string(lvalue)) < 0) {
- log_error("[%s:%u] Failed to parse path type, ignoring: %s", filename, line, lvalue);
- return 0;
- }
-
- if (!path_is_absolute(rvalue)) {
- log_error("[%s:%u] Path is not absolute, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (!(s = new0(PathSpec, 1)))
- return -ENOMEM;
-
- if (!(s->path = strdup(rvalue))) {
- free(s);
- return -ENOMEM;
- }
-
- path_kill_slashes(s->path);
-
- s->type = b;
- s->inotify_fd = -1;
-
- LIST_PREPEND(PathSpec, spec, p->specs, s);
-
- return 0;
-}
-
-int config_parse_path_unit(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Path *t = data;
- int r;
- DBusError error;
- Unit *u;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- dbus_error_init(&error);
-
- if (endswith(rvalue, ".path")) {
- log_error("[%s:%u] Unit cannot be of type path, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if ((r = manager_load_unit(UNIT(t)->manager, rvalue, NULL, &error, &u)) < 0) {
- log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r));
- dbus_error_free(&error);
- return 0;
- }
-
- unit_ref_set(&t->unit, u);
-
- return 0;
-}
-
-int config_parse_socket_service(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Socket *s = data;
- int r;
- DBusError error;
- Unit *x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- dbus_error_init(&error);
-
- if (!endswith(rvalue, ".service")) {
- log_error("[%s:%u] Unit must be of type service, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- r = manager_load_unit(UNIT(s)->manager, rvalue, NULL, &error, &x);
- if (r < 0) {
- log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r));
- dbus_error_free(&error);
- return 0;
- }
-
- unit_ref_set(&s->service, x);
-
- return 0;
-}
-
-int config_parse_service_sockets(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Service *s = data;
- int r;
- char *state, *w;
- size_t l;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
- char *t, *k;
-
- t = strndup(w, l);
- if (!t)
- return -ENOMEM;
-
- k = unit_name_printf(UNIT(s), t);
- free(t);
-
- if (!k)
- return -ENOMEM;
-
- if (!endswith(k, ".socket")) {
- log_error("[%s:%u] Unit must be of type socket, ignoring: %s", filename, line, rvalue);
- free(k);
- continue;
- }
-
- r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true);
- if (r < 0)
- log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", filename, line, k, strerror(-r));
-
- r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true);
- if (r < 0)
- return r;
-
- free(k);
- }
-
- return 0;
-}
-
-int config_parse_unit_env_file(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- char ***env = data, **k;
- Unit *u = userdata;
- char *s;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- s = unit_full_printf(u, rvalue);
- if (!s)
- return -ENOMEM;
-
- if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) {
- log_error("[%s:%u] Path '%s' is not absolute, ignoring.", filename, line, s);
- free(s);
- return 0;
- }
-
- k = strv_append(*env, s);
- free(s);
- if (!k)
- return -ENOMEM;
-
- strv_free(*env);
- *env = k;
-
- return 0;
-}
-
-int config_parse_ip_tos(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- int *ip_tos = data, x;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((x = ip_tos_from_string(rvalue)) < 0)
- if (safe_atoi(rvalue, &x) < 0) {
- log_error("[%s:%u] Failed to parse IP TOS value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- *ip_tos = x;
- return 0;
-}
-
-int config_parse_unit_condition_path(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ConditionType cond = ltype;
- Unit *u = data;
- bool trigger, negate;
- Condition *c;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- trigger = rvalue[0] == '|';
- if (trigger)
- rvalue++;
-
- negate = rvalue[0] == '!';
- if (negate)
- rvalue++;
-
- if (!path_is_absolute(rvalue)) {
- log_error("[%s:%u] Path in condition not absolute, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- c = condition_new(cond, rvalue, trigger, negate);
- if (!c)
- return -ENOMEM;
-
- LIST_PREPEND(Condition, conditions, u->conditions, c);
- return 0;
-}
-
-int config_parse_unit_condition_string(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- ConditionType cond = ltype;
- Unit *u = data;
- bool trigger, negate;
- Condition *c;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((trigger = rvalue[0] == '|'))
- rvalue++;
-
- if ((negate = rvalue[0] == '!'))
- rvalue++;
-
- if (!(c = condition_new(cond, rvalue, trigger, negate)))
- return -ENOMEM;
-
- LIST_PREPEND(Condition, conditions, u->conditions, c);
- return 0;
-}
-
-int config_parse_unit_condition_null(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = data;
- Condition *c;
- bool trigger, negate;
- int b;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if ((trigger = rvalue[0] == '|'))
- rvalue++;
-
- if ((negate = rvalue[0] == '!'))
- rvalue++;
-
- if ((b = parse_boolean(rvalue)) < 0) {
- log_error("[%s:%u] Failed to parse boolean value in condition, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (!b)
- negate = !negate;
-
- if (!(c = condition_new(CONDITION_NULL, NULL, trigger, negate)))
- return -ENOMEM;
-
- LIST_PREPEND(Condition, conditions, u->conditions, c);
- return 0;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier");
-DEFINE_CONFIG_PARSE_ENUM(config_parse_start_limit_action, start_limit_action, StartLimitAction, "Failed to parse start limit action specifier");
-
-int config_parse_unit_cgroup_attr(
- const char *filename,
- unsigned line,
- const char *section,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Unit *u = data;
- char **l;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- l = strv_split_quoted(rvalue);
- if (!l)
- return -ENOMEM;
-
- if (strv_length(l) != 2) {
- log_error("[%s:%u] Failed to parse cgroup attribute value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- r = unit_add_cgroup_attribute(u, NULL, l[0], l[1], NULL);
- strv_free(l);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-int config_parse_unit_cpu_shares(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
- Unit *u = data;
- int r;
- unsigned long ul;
- char *t;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (safe_atolu(rvalue, &ul) < 0 || ul < 1) {
- log_error("[%s:%u] Failed to parse CPU shares value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (asprintf(&t, "%lu", ul) < 0)
- return -ENOMEM;
-
- r = unit_add_cgroup_attribute(u, "cpu", "cpu.shares", t, NULL);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-int config_parse_unit_memory_limit(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
- Unit *u = data;
- int r;
- off_t sz;
- char *t;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (parse_bytes(rvalue, &sz) < 0 || sz <= 0) {
- log_error("[%s:%u] Failed to parse memory limit value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- if (asprintf(&t, "%llu", (unsigned long long) sz) < 0)
- return -ENOMEM;
-
- r = unit_add_cgroup_attribute(u,
- "memory",
- streq(lvalue, "MemorySoftLimit") ? "memory.soft_limit_in_bytes" : "memory.limit_in_bytes",
- t, NULL);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-static int device_map(const char *controller, const char *name, const char *value, char **ret) {
- char **l;
-
- assert(controller);
- assert(name);
- assert(value);
- assert(ret);
-
- l = strv_split_quoted(value);
- if (!l)
- return -ENOMEM;
-
- assert(strv_length(l) >= 1);
-
- if (streq(l[0], "*")) {
-
- if (asprintf(ret, "a *:*%s%s",
- isempty(l[1]) ? "" : " ", strempty(l[1])) < 0) {
- strv_free(l);
- return -ENOMEM;
- }
-
- } else {
- struct stat st;
-
- if (stat(l[0], &st) < 0) {
- log_warning("Couldn't stat device %s", l[0]);
- strv_free(l);
- return -errno;
- }
-
- if (!S_ISCHR(st.st_mode) && !S_ISBLK(st.st_mode)) {
- log_warning("%s is not a device.", l[0]);
- strv_free(l);
- return -ENODEV;
- }
-
- if (asprintf(ret, "%c %u:%u%s%s",
- S_ISCHR(st.st_mode) ? 'c' : 'b',
- major(st.st_rdev), minor(st.st_rdev),
- isempty(l[1]) ? "" : " ", strempty(l[1])) < 0) {
-
- strv_free(l);
- return -ENOMEM;
- }
- }
-
- strv_free(l);
- return 0;
-}
-
-int config_parse_unit_device_allow(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
- Unit *u = data;
- char **l;
- int r;
- unsigned k;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- l = strv_split_quoted(rvalue);
- if (!l)
- return -ENOMEM;
-
- k = strv_length(l);
- if (k < 1 || k > 2) {
- log_error("[%s:%u] Failed to parse device value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (!streq(l[0], "*") && !path_startswith(l[0], "/dev")) {
- log_error("[%s:%u] Device node path not absolute, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (!isempty(l[1]) && !in_charset(l[1], "rwm")) {
- log_error("[%s:%u] Device access string invalid, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
- strv_free(l);
-
- r = unit_add_cgroup_attribute(u, "devices",
- streq(lvalue, "DeviceAllow") ? "devices.allow" : "devices.deny",
- rvalue, device_map);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-static int blkio_map(const char *controller, const char *name, const char *value, char **ret) {
- struct stat st;
- char **l;
- dev_t d;
-
- assert(controller);
- assert(name);
- assert(value);
- assert(ret);
-
- l = strv_split_quoted(value);
- if (!l)
- return -ENOMEM;
-
- assert(strv_length(l) == 2);
-
- if (stat(l[0], &st) < 0) {
- log_warning("Couldn't stat device %s", l[0]);
- strv_free(l);
- return -errno;
- }
-
- if (S_ISBLK(st.st_mode))
- d = st.st_rdev;
- else if (major(st.st_dev) != 0) {
- /* If this is not a device node then find the block
- * device this file is stored on */
- d = st.st_dev;
-
- /* If this is a partition, try to get the originating
- * block device */
- block_get_whole_disk(d, &d);
- } else {
- log_warning("%s is not a block device and file system block device cannot be determined or is not local.", l[0]);
- strv_free(l);
- return -ENODEV;
- }
-
- if (asprintf(ret, "%u:%u %s", major(d), minor(d), l[1]) < 0) {
- strv_free(l);
- return -ENOMEM;
- }
-
- strv_free(l);
- return 0;
-}
-
-int config_parse_unit_blkio_weight(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
- Unit *u = data;
- int r;
- unsigned long ul;
- const char *device = NULL, *weight;
- unsigned k;
- char *t, **l;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- l = strv_split_quoted(rvalue);
- if (!l)
- return -ENOMEM;
-
- k = strv_length(l);
- if (k < 1 || k > 2) {
- log_error("[%s:%u] Failed to parse weight value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (k == 1)
- weight = l[0];
- else {
- device = l[0];
- weight = l[1];
- }
-
- if (device && !path_is_absolute(device)) {
- log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (safe_atolu(weight, &ul) < 0 || ul < 10 || ul > 1000) {
- log_error("[%s:%u] Failed to parse block IO weight value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (device)
- r = asprintf(&t, "%s %lu", device, ul);
- else
- r = asprintf(&t, "%lu", ul);
- strv_free(l);
-
- if (r < 0)
- return -ENOMEM;
-
- if (device)
- r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight_device", t, blkio_map);
- else
- r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight", t, NULL);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-int config_parse_unit_blkio_bandwidth(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
- Unit *u = data;
- int r;
- off_t bytes;
- unsigned k;
- char *t, **l;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- l = strv_split_quoted(rvalue);
- if (!l)
- return -ENOMEM;
-
- k = strv_length(l);
- if (k != 2) {
- log_error("[%s:%u] Failed to parse bandwidth value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (!path_is_absolute(l[0])) {
- log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- if (parse_bytes(l[1], &bytes) < 0 || bytes <= 0) {
- log_error("[%s:%u] Failed to parse block IO bandwith value, ignoring: %s", filename, line, rvalue);
- strv_free(l);
- return 0;
- }
-
- r = asprintf(&t, "%s %llu", l[0], (unsigned long long) bytes);
- strv_free(l);
-
- if (r < 0)
- return -ENOMEM;
-
- r = unit_add_cgroup_attribute(u, "blkio",
- streq(lvalue, "BlockIOReadBandwidth") ? "blkio.read_bps_device" : "blkio.write_bps_device",
- t, blkio_map);
- free(t);
-
- if (r < 0) {
- log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
- return 0;
- }
-
- return 0;
-}
-
-
-#define FOLLOW_MAX 8
-
-static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
- unsigned c = 0;
- int fd, r;
- FILE *f;
- char *id = NULL;
-
- assert(filename);
- assert(*filename);
- assert(_f);
- assert(names);
-
- /* This will update the filename pointer if the loaded file is
- * reached by a symlink. The old string will be freed. */
-
- for (;;) {
- char *target, *name;
-
- if (c++ >= FOLLOW_MAX)
- return -ELOOP;
-
- path_kill_slashes(*filename);
-
- /* Add the file name we are currently looking at to
- * the names of this unit, but only if it is a valid
- * unit name. */
- name = file_name_from_path(*filename);
-
- if (unit_name_is_valid(name, true)) {
-
- id = set_get(names, name);
- if (!id) {
- id = strdup(name);
- if (!id)
- return -ENOMEM;
-
- r = set_put(names, id);
- if (r < 0) {
- free(id);
- return r;
- }
- }
- }
-
- /* Try to open the file name, but don't if its a symlink */
- if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0)
- break;
-
- if (errno != ELOOP)
- return -errno;
-
- /* Hmm, so this is a symlink. Let's read the name, and follow it manually */
- if ((r = readlink_and_make_absolute(*filename, &target)) < 0)
- return r;
-
- free(*filename);
- *filename = target;
- }
-
- if (!(f = fdopen(fd, "re"))) {
- r = -errno;
- close_nointr_nofail(fd);
- return r;
- }
-
- *_f = f;
- *_final = id;
- return 0;
-}
-
-static int merge_by_names(Unit **u, Set *names, const char *id) {
- char *k;
- int r;
-
- assert(u);
- assert(*u);
- assert(names);
-
- /* Let's try to add in all symlink names we found */
- while ((k = set_steal_first(names))) {
-
- /* First try to merge in the other name into our
- * unit */
- if ((r = unit_merge_by_name(*u, k)) < 0) {
- Unit *other;
-
- /* Hmm, we couldn't merge the other unit into
- * ours? Then let's try it the other way
- * round */
-
- other = manager_get_unit((*u)->manager, k);
- free(k);
-
- if (other)
- if ((r = unit_merge(other, *u)) >= 0) {
- *u = other;
- return merge_by_names(u, names, NULL);
- }
-
- return r;
- }
-
- if (id == k)
- unit_choose_id(*u, id);
-
- free(k);
- }
-
- return 0;
-}
-
-static int load_from_path(Unit *u, const char *path) {
- int r;
- Set *symlink_names;
- FILE *f = NULL;
- char *filename = NULL, *id = NULL;
- Unit *merged;
- struct stat st;
-
- assert(u);
- assert(path);
-
- symlink_names = set_new(string_hash_func, string_compare_func);
- if (!symlink_names)
- return -ENOMEM;
-
- if (path_is_absolute(path)) {
-
- if (!(filename = strdup(path))) {
- r = -ENOMEM;
- goto finish;
- }
-
- if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) {
- free(filename);
- filename = NULL;
-
- if (r != -ENOENT)
- goto finish;
- }
-
- } else {
- char **p;
-
- STRV_FOREACH(p, u->manager->lookup_paths.unit_path) {
-
- /* Instead of opening the path right away, we manually
- * follow all symlinks and add their name to our unit
- * name set while doing so */
- if (!(filename = path_make_absolute(path, *p))) {
- r = -ENOMEM;
- goto finish;
- }
-
- if (u->manager->unit_path_cache &&
- !set_get(u->manager->unit_path_cache, filename))
- r = -ENOENT;
- else
- r = open_follow(&filename, &f, symlink_names, &id);
-
- if (r < 0) {
- char *sn;
-
- free(filename);
- filename = NULL;
-
- if (r != -ENOENT)
- goto finish;
-
- /* Empty the symlink names for the next run */
- while ((sn = set_steal_first(symlink_names)))
- free(sn);
-
- continue;
- }
-
- break;
- }
- }
-
- if (!filename) {
- /* Hmm, no suitable file found? */
- r = 0;
- goto finish;
- }
-
- merged = u;
- if ((r = merge_by_names(&merged, symlink_names, id)) < 0)
- goto finish;
-
- if (merged != u) {
- u->load_state = UNIT_MERGED;
- r = 0;
- goto finish;
- }
-
- zero(st);
- if (fstat(fileno(f), &st) < 0) {
- r = -errno;
- goto finish;
- }
-
- if (null_or_empty(&st))
- u->load_state = UNIT_MASKED;
- else {
- /* Now, parse the file contents */
- r = config_parse(filename, f, UNIT_VTABLE(u)->sections, config_item_perf_lookup, (void*) load_fragment_gperf_lookup, false, u);
- if (r < 0)
- goto finish;
-
- u->load_state = UNIT_LOADED;
- }
-
- free(u->fragment_path);
- u->fragment_path = filename;
- filename = NULL;
-
- u->fragment_mtime = timespec_load(&st.st_mtim);
-
- r = 0;
-
-finish:
- set_free_free(symlink_names);
- free(filename);
-
- if (f)
- fclose(f);
-
- return r;
-}
-
-int unit_load_fragment(Unit *u) {
- int r;
- Iterator i;
- const char *t;
-
- assert(u);
- assert(u->load_state == UNIT_STUB);
- assert(u->id);
-
- /* First, try to find the unit under its id. We always look
- * for unit files in the default directories, to make it easy
- * to override things by placing things in /etc/systemd/system */
- if ((r = load_from_path(u, u->id)) < 0)
- return r;
-
- /* Try to find an alias we can load this with */
- if (u->load_state == UNIT_STUB)
- SET_FOREACH(t, u->names, i) {
-
- if (t == u->id)
- continue;
-
- if ((r = load_from_path(u, t)) < 0)
- return r;
-
- if (u->load_state != UNIT_STUB)
- break;
- }
-
- /* And now, try looking for it under the suggested (originally linked) path */
- if (u->load_state == UNIT_STUB && u->fragment_path) {
-
- if ((r = load_from_path(u, u->fragment_path)) < 0)
- return r;
-
- if (u->load_state == UNIT_STUB) {
- /* Hmm, this didn't work? Then let's get rid
- * of the fragment path stored for us, so that
- * we don't point to an invalid location. */
- free(u->fragment_path);
- u->fragment_path = NULL;
- }
- }
-
- /* Look for a template */
- if (u->load_state == UNIT_STUB && u->instance) {
- char *k;
-
- if (!(k = unit_name_template(u->id)))
- return -ENOMEM;
-
- r = load_from_path(u, k);
- free(k);
-
- if (r < 0)
- return r;
-
- if (u->load_state == UNIT_STUB)
- SET_FOREACH(t, u->names, i) {
-
- if (t == u->id)
- continue;
-
- if (!(k = unit_name_template(t)))
- return -ENOMEM;
-
- r = load_from_path(u, k);
- free(k);
-
- if (r < 0)
- return r;
-
- if (u->load_state != UNIT_STUB)
- break;
- }
- }
-
- return 0;
-}
-
-void unit_dump_config_items(FILE *f) {
- static const struct {
- const ConfigParserCallback callback;
- const char *rvalue;
- } table[] = {
- { config_parse_int, "INTEGER" },
- { config_parse_unsigned, "UNSIGNED" },
- { config_parse_bytes_size, "SIZE" },
- { config_parse_bool, "BOOLEAN" },
- { config_parse_string, "STRING" },
- { config_parse_path, "PATH" },
- { config_parse_unit_path_printf, "PATH" },
- { config_parse_strv, "STRING [...]" },
- { config_parse_exec_nice, "NICE" },
- { config_parse_exec_oom_score_adjust, "OOMSCOREADJUST" },
- { config_parse_exec_io_class, "IOCLASS" },
- { config_parse_exec_io_priority, "IOPRIORITY" },
- { config_parse_exec_cpu_sched_policy, "CPUSCHEDPOLICY" },
- { config_parse_exec_cpu_sched_prio, "CPUSCHEDPRIO" },
- { config_parse_exec_cpu_affinity, "CPUAFFINITY" },
- { config_parse_mode, "MODE" },
- { config_parse_unit_env_file, "FILE" },
- { config_parse_output, "OUTPUT" },
- { config_parse_input, "INPUT" },
- { config_parse_facility, "FACILITY" },
- { config_parse_level, "LEVEL" },
- { config_parse_exec_capabilities, "CAPABILITIES" },
- { config_parse_exec_secure_bits, "SECUREBITS" },
- { config_parse_exec_bounding_set, "BOUNDINGSET" },
- { config_parse_exec_timer_slack_nsec, "TIMERSLACK" },
- { config_parse_limit, "LIMIT" },
- { config_parse_unit_cgroup, "CGROUP [...]" },
- { config_parse_unit_deps, "UNIT [...]" },
- { config_parse_unit_names, "UNIT [...]" },
- { config_parse_exec, "PATH [ARGUMENT [...]]" },
- { config_parse_service_type, "SERVICETYPE" },
- { config_parse_service_restart, "SERVICERESTART" },
-#ifdef HAVE_SYSV_COMPAT
- { config_parse_sysv_priority, "SYSVPRIORITY" },
-#else
- { config_parse_warn_compat, "NOTSUPPORTED" },
-#endif
- { config_parse_kill_mode, "KILLMODE" },
- { config_parse_kill_signal, "SIGNAL" },
- { config_parse_socket_listen, "SOCKET [...]" },
- { config_parse_socket_bind, "SOCKETBIND" },
- { config_parse_socket_bindtodevice, "NETWORKINTERFACE" },
- { config_parse_usec, "SECONDS" },
- { config_parse_path_strv, "PATH [...]" },
- { config_parse_exec_mount_flags, "MOUNTFLAG [...]" },
- { config_parse_unit_string_printf, "STRING" },
- { config_parse_timer, "TIMER" },
- { config_parse_timer_unit, "NAME" },
- { config_parse_path_spec, "PATH" },
- { config_parse_path_unit, "UNIT" },
- { config_parse_notify_access, "ACCESS" },
- { config_parse_ip_tos, "TOS" },
- { config_parse_unit_condition_path, "CONDITION" },
- { config_parse_unit_condition_string, "CONDITION" },
- { config_parse_unit_condition_null, "CONDITION" },
- };
-
- const char *prev = NULL;
- const char *i;
-
- assert(f);
-
- NULSTR_FOREACH(i, load_fragment_gperf_nulstr) {
- const char *rvalue = "OTHER", *lvalue;
- unsigned j;
- size_t prefix_len;
- const char *dot;
- const ConfigPerfItem *p;
-
- assert_se(p = load_fragment_gperf_lookup(i, strlen(i)));
-
- dot = strchr(i, '.');
- lvalue = dot ? dot + 1 : i;
- prefix_len = dot-i;
-
- if (dot)
- if (!prev || strncmp(prev, i, prefix_len+1) != 0) {
- if (prev)
- fputc('\n', f);
-
- fprintf(f, "[%.*s]\n", (int) prefix_len, i);
- }
-
- for (j = 0; j < ELEMENTSOF(table); j++)
- if (p->parse == table[j].callback) {
- rvalue = table[j].rvalue;
- break;
- }
-
- fprintf(f, "%s=%s\n", lvalue, rvalue);
- prev = i;
- }
-}
~ianmdlvl / elogind.git / blobdiff