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Diffstat (limited to 'src/core/load-fragment.c')
| -rw-r--r-- | src/core/load-fragment.c | 4130 |
1 files changed, 0 insertions, 4130 deletions
diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c deleted file mode 100644 index a36953f766..0000000000 --- a/src/core/load-fragment.c +++ /dev/null @@ -1,4130 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - Copyright 2012 Holger Hans Peter Freyther - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <linux/fs.h> -#include <linux/oom.h> -#ifdef HAVE_SECCOMP -#include <seccomp.h> -#endif -#include <sched.h> -#include <string.h> -#include <sys/resource.h> -#include <sys/stat.h> - -#include "af-list.h" -#include "alloc-util.h" -#include "bus-error.h" -#include "bus-internal.h" -#include "bus-util.h" -#include "cap-list.h" -#include "capability-util.h" -#include "cgroup.h" -#include "conf-parser.h" -#include "cpu-set-util.h" -#include "env-util.h" -#include "errno-list.h" -#include "escape.h" -#include "fd-util.h" -#include "fs-util.h" -#include "ioprio.h" -#include "load-fragment.h" -#include "log.h" -#include "missing.h" -#include "parse-util.h" -#include "path-util.h" -#include "process-util.h" -#include "rlimit-util.h" -#ifdef HAVE_SECCOMP -#include "seccomp-util.h" -#endif -#include "securebits.h" -#include "signal-util.h" -#include "stat-util.h" -#include "string-util.h" -#include "strv.h" -#include "unit-name.h" -#include "unit-printf.h" -#include "unit.h" -#include "utf8.h" -#include "web-util.h" - -int config_parse_warn_compat( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - Disabled reason = ltype; - - switch(reason) { - case DISABLED_CONFIGURATION: - log_syntax(unit, LOG_DEBUG, filename, line, 0, - "Support for option %s= has been disabled at compile time and it is ignored", lvalue); - break; - case DISABLED_LEGACY: - log_syntax(unit, LOG_INFO, filename, line, 0, - "Support for option %s= has been removed and it is ignored", lvalue); - break; - case DISABLED_EXPERIMENTAL: - log_syntax(unit, LOG_INFO, filename, line, 0, - "Support for option %s= has not yet been enabled and it is ignored", lvalue); - break; - }; - - return 0; -} - -int config_parse_unit_deps( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - UnitDependency d = ltype; - Unit *u = userdata; - const char *p; - - assert(filename); - assert(lvalue); - assert(rvalue); - - p = rvalue; - for (;;) { - _cleanup_free_ char *word = NULL, *k = NULL; - int r; - - r = extract_first_word(&p, &word, NULL, EXTRACT_RETAIN_ESCAPE); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Invalid syntax, ignoring: %s", rvalue); - break; - } - - r = unit_name_printf(u, word, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - continue; - } - - r = unit_add_dependency_by_name(u, d, k, NULL, true); - if (r < 0) - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k); - } - - return 0; -} - -int config_parse_obsolete_unit_deps( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - log_syntax(unit, LOG_WARNING, filename, line, 0, - "Unit dependency type %s= is obsolete, replacing by %s=, please update your unit file", lvalue, unit_dependency_to_string(ltype)); - - return config_parse_unit_deps(unit, filename, line, section, section_line, lvalue, ltype, rvalue, data, userdata); -} - -int config_parse_unit_string_printf( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *k = NULL; - Unit *u = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata); -} - -int config_parse_unit_strv_printf( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - _cleanup_free_ char *k = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - return config_parse_strv(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata); -} - -int config_parse_unit_path_printf( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *k = NULL; - Unit *u = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - return config_parse_path(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata); -} - -int config_parse_unit_path_strv_printf( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char ***x = data; - const char *word, *state; - Unit *u = userdata; - size_t l; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - _cleanup_free_ char *k = NULL; - char t[l+1]; - - memcpy(t, word, l); - t[l] = 0; - - r = unit_full_printf(u, t, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", t); - return 0; - } - - if (!utf8_is_valid(k)) { - log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue); - return 0; - } - - if (!path_is_absolute(k)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Symlink path %s is not absolute, ignoring: %m", k); - return 0; - } - - path_kill_slashes(k); - - r = strv_push(x, k); - if (r < 0) - return log_oom(); - - k = NULL; - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid syntax, ignoring."); - - return 0; -} - -int config_parse_socket_listen(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ SocketPort *p = NULL; - SocketPort *tail; - Socket *s; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - s = SOCKET(data); - - if (isempty(rvalue)) { - /* An empty assignment removes all ports */ - socket_free_ports(s); - return 0; - } - - p = new0(SocketPort, 1); - if (!p) - return log_oom(); - - if (ltype != SOCKET_SOCKET) { - - p->type = ltype; - r = unit_full_printf(UNIT(s), rvalue, &p->path); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - path_kill_slashes(p->path); - - } else if (streq(lvalue, "ListenNetlink")) { - _cleanup_free_ char *k = NULL; - - p->type = SOCKET_SOCKET; - r = unit_full_printf(UNIT(s), rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - r = socket_address_parse_netlink(&p->address, k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address value, ignoring: %s", rvalue); - return 0; - } - - } else { - _cleanup_free_ char *k = NULL; - - p->type = SOCKET_SOCKET; - r = unit_full_printf(UNIT(s), rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r,"Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - r = socket_address_parse_and_warn(&p->address, k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse address value, ignoring: %s", rvalue); - 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_syntax(unit, LOG_ERR, filename, line, 0, "Address family not supported, ignoring: %s", rvalue); - return 0; - } - } - - p->fd = -1; - p->auxiliary_fds = NULL; - p->n_auxiliary_fds = 0; - p->socket = s; - - if (s->ports) { - LIST_FIND_TAIL(port, s->ports, tail); - LIST_INSERT_AFTER(port, s->ports, tail, p); - } else - LIST_PREPEND(port, s->ports, p); - p = NULL; - - return 0; -} - -int config_parse_socket_protocol(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - Socket *s; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - s = SOCKET(data); - - if (streq(rvalue, "udplite")) - s->socket_protocol = IPPROTO_UDPLITE; - else if (streq(rvalue, "sctp")) - s->socket_protocol = IPPROTO_SCTP; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Socket protocol not supported, ignoring: %s", rvalue); - return 0; - } - - return 0; -} - -int config_parse_socket_bind(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - 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); - - b = socket_address_bind_ipv6_only_from_string(rvalue); - if (b < 0) { - int r; - - r = parse_boolean(rvalue); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse bind IPv6 only value, ignoring: %s", 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 *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int priority, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &priority); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse nice priority, ignoring: %s", rvalue); - return 0; - } - - if (priority < PRIO_MIN || priority >= PRIO_MAX) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Nice priority out of range, ignoring: %s", rvalue); - return 0; - } - - c->nice = priority; - c->nice_set = true; - - return 0; -} - -int config_parse_exec_oom_score_adjust(const char* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int oa, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &oa); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse the OOM score adjust value, ignoring: %s", rvalue); - return 0; - } - - if (oa < OOM_SCORE_ADJ_MIN || oa > OOM_SCORE_ADJ_MAX) { - log_syntax(unit, LOG_ERR, filename, line, 0, "OOM score adjust value out of range, ignoring: %s", rvalue); - return 0; - } - - c->oom_score_adjust = oa; - c->oom_score_adjust_set = true; - - return 0; -} - -int config_parse_exec( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecCommand **e = data; - const char *p; - bool semicolon; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(e); - - e += ltype; - rvalue += strspn(rvalue, WHITESPACE); - - if (isempty(rvalue)) { - /* An empty assignment resets the list */ - *e = exec_command_free_list(*e); - return 0; - } - - p = rvalue; - do { - _cleanup_free_ char *path = NULL, *firstword = NULL; - bool separate_argv0 = false, ignore = false, privileged = false; - _cleanup_free_ ExecCommand *nce = NULL; - _cleanup_strv_free_ char **n = NULL; - size_t nlen = 0, nbufsize = 0; - char *f; - int i; - - semicolon = false; - - r = extract_first_word_and_warn(&p, &firstword, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue); - if (r <= 0) - return 0; - - f = firstword; - for (i = 0; i < 3; i++) { - /* We accept an absolute path as first argument. - * If it's prefixed with - and the path doesn't exist, - * we ignore it instead of erroring out; - * if it's prefixed with @, we allow overriding of argv[0]; - * and if it's prefixed with !, it will be run with full privileges */ - if (*f == '-' && !ignore) - ignore = true; - else if (*f == '@' && !separate_argv0) - separate_argv0 = true; - else if (*f == '+' && !privileged) - privileged = true; - else - break; - f++; - } - - if (isempty(f)) { - /* First word is either "-" or "@" with no command. */ - log_syntax(unit, LOG_ERR, filename, line, 0, "Empty path in command line, ignoring: \"%s\"", rvalue); - return 0; - } - if (!string_is_safe(f)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path contains special characters, ignoring: %s", rvalue); - return 0; - } - if (!path_is_absolute(f)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path is not absolute, ignoring: %s", rvalue); - return 0; - } - if (endswith(f, "/")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Executable path specifies a directory, ignoring: %s", rvalue); - return 0; - } - - if (f == firstword) { - path = firstword; - firstword = NULL; - } else { - path = strdup(f); - if (!path) - return log_oom(); - } - - if (!separate_argv0) { - if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) - return log_oom(); - f = strdup(path); - if (!f) - return log_oom(); - n[nlen++] = f; - n[nlen] = NULL; - } - - path_kill_slashes(path); - - while (!isempty(p)) { - _cleanup_free_ char *word = NULL; - - /* Check explicitly for an unquoted semicolon as - * command separator token. */ - if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) { - p++; - p += strspn(p, WHITESPACE); - semicolon = true; - break; - } - - /* Check for \; explicitly, to not confuse it with \\; - * or "\;" or "\\;" etc. extract_first_word would - * return the same for all of those. */ - if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) { - p += 2; - p += strspn(p, WHITESPACE); - if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) - return log_oom(); - f = strdup(";"); - if (!f) - return log_oom(); - n[nlen++] = f; - n[nlen] = NULL; - continue; - } - - r = extract_first_word_and_warn(&p, &word, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue); - if (r == 0) - break; - else if (r < 0) - return 0; - - if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) - return log_oom(); - n[nlen++] = word; - n[nlen] = NULL; - word = NULL; - } - - if (!n || !n[0]) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Empty executable name or zeroeth argument, ignoring: %s", rvalue); - return 0; - } - - nce = new0(ExecCommand, 1); - if (!nce) - return log_oom(); - - nce->argv = n; - nce->path = path; - nce->ignore = ignore; - nce->privileged = privileged; - - exec_command_append_list(e, nce); - - /* Do not _cleanup_free_ these. */ - n = NULL; - path = NULL; - nce = NULL; - - rvalue = p; - } while (semicolon); - - return 0; -} - -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* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - 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 (!ifname_valid(rvalue)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Interface name is invalid, ignoring: %s", rvalue); - return 0; - } - - n = strdup(rvalue); - if (!n) - return log_oom(); - } 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_exec_io_class(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - 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); - - x = ioprio_class_from_string(rvalue); - if (x < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IO scheduling class, ignoring: %s", 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 *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int i, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &i); - if (r < 0 || i < 0 || i >= IOPRIO_BE_NR) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse IO priority, ignoring: %s", 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 *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - 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); - - x = sched_policy_from_string(rvalue); - if (x < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse CPU scheduling policy, ignoring: %s", rvalue); - return 0; - } - - c->cpu_sched_policy = x; - /* Moving to or from real-time policy? We need to adjust the priority */ - c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(x), sched_get_priority_max(x)); - c->cpu_sched_set = true; - - return 0; -} - -int config_parse_exec_cpu_sched_prio(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int i, min, max, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &i); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CPU scheduling policy, ignoring: %s", rvalue); - return 0; - } - - /* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */ - min = sched_get_priority_min(c->cpu_sched_policy); - max = sched_get_priority_max(c->cpu_sched_policy); - - if (i < min || i > max) { - log_syntax(unit, LOG_ERR, filename, line, 0, "CPU scheduling priority is out of range, ignoring: %s", rvalue); - return 0; - } - - c->cpu_sched_priority = i; - c->cpu_sched_set = true; - - return 0; -} - -int config_parse_exec_cpu_affinity(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - _cleanup_cpu_free_ cpu_set_t *cpuset = NULL; - int ncpus; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - ncpus = parse_cpu_set_and_warn(rvalue, &cpuset, unit, filename, line, lvalue); - if (ncpus < 0) - return ncpus; - - if (c->cpuset) - CPU_FREE(c->cpuset); - - if (ncpus == 0) - /* An empty assignment resets the CPU list */ - c->cpuset = NULL; - else { - c->cpuset = cpuset; - cpuset = NULL; - } - c->cpuset_ncpus = ncpus; - - return 0; -} - -int config_parse_exec_secure_bits(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - size_t l; - const char *word, *state; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* An empty assignment resets the field */ - c->secure_bits = 0; - return 0; - } - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - if (first_word(word, "keep-caps")) - c->secure_bits |= 1<<SECURE_KEEP_CAPS; - else if (first_word(word, "keep-caps-locked")) - c->secure_bits |= 1<<SECURE_KEEP_CAPS_LOCKED; - else if (first_word(word, "no-setuid-fixup")) - c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP; - else if (first_word(word, "no-setuid-fixup-locked")) - c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP_LOCKED; - else if (first_word(word, "noroot")) - c->secure_bits |= 1<<SECURE_NOROOT; - else if (first_word(word, "noroot-locked")) - c->secure_bits |= 1<<SECURE_NOROOT_LOCKED; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse secure bits, ignoring: %s", rvalue); - return 0; - } - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid syntax, garbage at the end, ignoring."); - - return 0; -} - -int config_parse_capability_set( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - uint64_t *capability_set = data; - uint64_t sum = 0, initial = 0; - bool invert = false; - const char *p; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (rvalue[0] == '~') { - invert = true; - rvalue++; - } - - if (strcmp(lvalue, "CapabilityBoundingSet") == 0) - initial = CAP_ALL; /* initialized to all bits on */ - /* else "AmbientCapabilities" initialized to all bits off */ - - p = rvalue; - for (;;) { - _cleanup_free_ char *word = NULL; - int cap, r; - - r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse word, ignoring: %s", rvalue); - break; - } - - cap = capability_from_name(word); - if (cap < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse capability in bounding/ambient set, ignoring: %s", word); - continue; - } - - sum |= ((uint64_t) UINT64_C(1)) << (uint64_t) cap; - } - - sum = invert ? ~sum : sum; - - if (sum == 0 || *capability_set == initial) - /* "" or uninitialized data -> replace */ - *capability_set = sum; - else - /* previous data -> merge */ - *capability_set |= sum; - - return 0; -} - -int config_parse_limit( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - struct rlimit **rl = data, d = {}; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = rlimit_parse(ltype, rvalue, &d); - if (r == -EILSEQ) { - log_syntax(unit, LOG_WARNING, filename, line, r, "Soft resource limit chosen higher than hard limit, ignoring: %s", rvalue); - return 0; - } - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse resource value, ignoring: %s", rvalue); - return 0; - } - - if (rl[ltype]) - *rl[ltype] = d; - else { - rl[ltype] = newdup(struct rlimit, &d, 1); - if (!rl[ltype]) - return log_oom(); - } - - return 0; -} - -#ifdef HAVE_SYSV_COMPAT -int config_parse_sysv_priority(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - int *priority = data; - int i, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &i); - if (r < 0 || i < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse SysV start priority, ignoring: %s", rvalue); - return 0; - } - - *priority = (int) i; - return 0; -} -#endif - -DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode, "Failed to parse utmp mode"); -DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); - -int config_parse_exec_mount_flags(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - - unsigned long flags = 0; - ExecContext *c = data; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (streq(rvalue, "shared")) - flags = MS_SHARED; - else if (streq(rvalue, "slave")) - flags = MS_SLAVE; - else if (streq(rvalue, "private")) - flags = MS_PRIVATE; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse mount flag %s, ignoring.", rvalue); - return 0; - } - - c->mount_flags = flags; - - return 0; -} - -int config_parse_exec_selinux_context( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - Unit *u = userdata; - bool ignore; - char *k; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - c->selinux_context = mfree(c->selinux_context); - c->selinux_context_ignore = false; - return 0; - } - - if (rvalue[0] == '-') { - ignore = true; - rvalue++; - } else - ignore = false; - - r = unit_name_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - return 0; - } - - free(c->selinux_context); - c->selinux_context = k; - c->selinux_context_ignore = ignore; - - return 0; -} - -int config_parse_exec_apparmor_profile( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - Unit *u = userdata; - bool ignore; - char *k; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - c->apparmor_profile = mfree(c->apparmor_profile); - c->apparmor_profile_ignore = false; - return 0; - } - - if (rvalue[0] == '-') { - ignore = true; - rvalue++; - } else - ignore = false; - - r = unit_name_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - return 0; - } - - free(c->apparmor_profile); - c->apparmor_profile = k; - c->apparmor_profile_ignore = ignore; - - return 0; -} - -int config_parse_exec_smack_process_label( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - Unit *u = userdata; - bool ignore; - char *k; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - c->smack_process_label = mfree(c->smack_process_label); - c->smack_process_label_ignore = false; - return 0; - } - - if (rvalue[0] == '-') { - ignore = true; - rvalue++; - } else - ignore = false; - - r = unit_name_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - return 0; - } - - free(c->smack_process_label); - c->smack_process_label = k; - c->smack_process_label_ignore = ignore; - - return 0; -} - -int config_parse_timer(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Timer *t = data; - usec_t u = 0; - TimerValue *v; - TimerBase b; - CalendarSpec *c = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets list */ - timer_free_values(t); - return 0; - } - - b = timer_base_from_string(lvalue); - if (b < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse timer base, ignoring: %s", lvalue); - return 0; - } - - if (b == TIMER_CALENDAR) { - if (calendar_spec_from_string(rvalue, &c) < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse calendar specification, ignoring: %s", rvalue); - return 0; - } - } else { - if (parse_sec(rvalue, &u) < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse timer value, ignoring: %s", rvalue); - return 0; - } - } - - v = new0(TimerValue, 1); - if (!v) { - calendar_spec_free(c); - return log_oom(); - } - - v->base = b; - v->value = u; - v->calendar_spec = c; - - LIST_PREPEND(value, t->values, v); - - return 0; -} - -int config_parse_trigger_unit( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *p = NULL; - Unit *u = data; - UnitType type; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (!set_isempty(u->dependencies[UNIT_TRIGGERS])) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Multiple units to trigger specified, ignoring: %s", rvalue); - return 0; - } - - r = unit_name_printf(u, rvalue, &p); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - return 0; - } - - type = unit_name_to_type(p); - if (type < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Unit type not valid, ignoring: %s", rvalue); - return 0; - } - - if (type == u->type) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Trigger cannot be of same type, ignoring: %s", rvalue); - return 0; - } - - r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p, NULL, true); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add trigger on %s, ignoring: %m", p); - return 0; - } - - return 0; -} - -int config_parse_path_spec(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Path *p = data; - PathSpec *s; - PathType b; - _cleanup_free_ char *k = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment clears list */ - path_free_specs(p); - return 0; - } - - b = path_type_from_string(lvalue); - if (b < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse path type, ignoring: %s", lvalue); - return 0; - } - - r = unit_full_printf(UNIT(p), rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); - return 0; - } - - if (!path_is_absolute(k)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Path is not absolute, ignoring: %s", k); - return 0; - } - - s = new0(PathSpec, 1); - if (!s) - return log_oom(); - - s->unit = UNIT(p); - s->path = path_kill_slashes(k); - k = NULL; - s->type = b; - s->inotify_fd = -1; - - LIST_PREPEND(spec, p->specs, s); - - return 0; -} - -int config_parse_socket_service( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_free_ char *p = NULL; - Socket *s = data; - Unit *x; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = unit_name_printf(UNIT(s), rvalue, &p); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - if (!endswith(p, ".service")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type service, ignoring: %s", rvalue); - return 0; - } - - r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r)); - return 0; - } - - unit_ref_set(&s->service, x); - - return 0; -} - -int config_parse_fdname( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *p = NULL; - Socket *s = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - s->fdname = mfree(s->fdname); - return 0; - } - - r = unit_name_printf(UNIT(s), rvalue, &p); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - if (!fdname_is_valid(p)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid file descriptor name, ignoring: %s", p); - return 0; - } - - free(s->fdname); - s->fdname = p; - p = NULL; - - return 0; -} - -int config_parse_service_sockets( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Service *s = data; - const char *p; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - p = rvalue; - for (;;) { - _cleanup_free_ char *word = NULL, *k = NULL; - - r = extract_first_word(&p, &word, NULL, 0); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Trailing garbage in sockets, ignoring: %s", rvalue); - break; - } - - r = unit_name_printf(UNIT(s), word, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - continue; - } - - if (!endswith(k, ".socket")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type socket, ignoring: %s", k); - continue; - } - - r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true); - if (r < 0) - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k); - - r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true); - if (r < 0) - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k); - } - - return 0; -} - -int config_parse_bus_name( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *k = NULL; - Unit *u = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue); - return 0; - } - - if (!service_name_is_valid(k)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid bus name %s, ignoring.", k); - return 0; - } - - return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata); -} - -int config_parse_service_timeout( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Service *s = userdata; - usec_t usec; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(s); - - /* This is called for three cases: TimeoutSec=, TimeoutStopSec= and TimeoutStartSec=. */ - - r = parse_sec(rvalue, &usec); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue); - return 0; - } - - /* Traditionally, these options accepted 0 to disable the timeouts. However, a timeout of 0 suggests it happens - * immediately, hence fix this to become USEC_INFINITY instead. This is in-line with how we internally handle - * all other timeouts. */ - if (usec <= 0) - usec = USEC_INFINITY; - - if (!streq(lvalue, "TimeoutStopSec")) { - s->start_timeout_defined = true; - s->timeout_start_usec = usec; - } - - if (!streq(lvalue, "TimeoutStartSec")) - s->timeout_stop_usec = usec; - - return 0; -} - -int config_parse_sec_fix_0( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - usec_t *usec = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(usec); - - /* This is pretty much like config_parse_sec(), except that this treats a time of 0 as infinity, for - * compatibility with older versions of systemd where 0 instead of infinity was used as indicator to turn off a - * timeout. */ - - r = parse_sec(rvalue, usec); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse %s= parameter, ignoring: %s", lvalue, rvalue); - return 0; - } - - if (*usec <= 0) - *usec = USEC_INFINITY; - - return 0; -} - -int config_parse_busname_service( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; - BusName *n = data; - int r; - Unit *x; - _cleanup_free_ char *p = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = unit_name_printf(UNIT(n), rvalue, &p); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - if (!endswith(p, ".service")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Unit must be of type service, ignoring: %s", rvalue); - return 0; - } - - r = manager_load_unit(UNIT(n)->manager, p, NULL, &error, &x); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r)); - return 0; - } - - unit_ref_set(&n->service, x); - - return 0; -} - -DEFINE_CONFIG_PARSE_ENUM(config_parse_bus_policy_world, bus_policy_access, BusPolicyAccess, "Failed to parse bus name policy access"); - -int config_parse_bus_policy( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ BusNamePolicy *p = NULL; - _cleanup_free_ char *id_str = NULL; - BusName *busname = data; - char *access_str; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - p = new0(BusNamePolicy, 1); - if (!p) - return log_oom(); - - if (streq(lvalue, "AllowUser")) - p->type = BUSNAME_POLICY_TYPE_USER; - else if (streq(lvalue, "AllowGroup")) - p->type = BUSNAME_POLICY_TYPE_GROUP; - else - assert_not_reached("Unknown lvalue"); - - id_str = strdup(rvalue); - if (!id_str) - return log_oom(); - - access_str = strpbrk(id_str, WHITESPACE); - if (!access_str) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid busname policy value '%s'", rvalue); - return 0; - } - - *access_str = '\0'; - access_str++; - access_str += strspn(access_str, WHITESPACE); - - p->access = bus_policy_access_from_string(access_str); - if (p->access < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid busname policy access type '%s'", access_str); - return 0; - } - - p->name = id_str; - id_str = NULL; - - LIST_PREPEND(policy, busname->policy, p); - p = NULL; - - return 0; -} - -int config_parse_working_directory( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - Unit *u = userdata; - bool missing_ok; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(c); - assert(u); - - if (rvalue[0] == '-') { - missing_ok = true; - rvalue++; - } else - missing_ok = false; - - if (streq(rvalue, "~")) { - c->working_directory_home = true; - c->working_directory = mfree(c->working_directory); - } else { - _cleanup_free_ char *k = NULL; - - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers in working directory path '%s', ignoring: %m", rvalue); - return 0; - } - - path_kill_slashes(k); - - if (!utf8_is_valid(k)) { - log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue); - return 0; - } - - if (!path_is_absolute(k)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Working directory path '%s' is not absolute, ignoring.", rvalue); - return 0; - } - - free(c->working_directory); - c->working_directory = k; - k = NULL; - - c->working_directory_home = false; - } - - c->working_directory_missing_ok = missing_ok; - return 0; -} - -int config_parse_unit_env_file(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char ***env = data; - Unit *u = userdata; - _cleanup_free_ char *n = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment frees the list */ - *env = strv_free(*env); - return 0; - } - - r = unit_full_printf(u, rvalue, &n); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - if (!path_is_absolute(n[0] == '-' ? n + 1 : n)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Path '%s' is not absolute, ignoring.", n); - return 0; - } - - r = strv_extend(env, n); - if (r < 0) - return log_oom(); - - return 0; -} - -int config_parse_environ(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - char*** env = data; - const char *word, *state; - size_t l; - _cleanup_free_ char *k = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *env = strv_free(*env); - return 0; - } - - if (u) { - r = unit_full_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - } - - if (!k) { - k = strdup(rvalue); - if (!k) - return log_oom(); - } - - FOREACH_WORD_QUOTED(word, l, k, state) { - _cleanup_free_ char *n = NULL; - char **x; - - r = cunescape_length(word, l, 0, &n); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Couldn't unescape assignment, ignoring: %s", rvalue); - continue; - } - - if (!env_assignment_is_valid(n)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid environment assignment, ignoring: %s", rvalue); - continue; - } - - x = strv_env_set(*env, n); - if (!x) - return log_oom(); - - strv_free(*env); - *env = x; - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} - -int config_parse_pass_environ(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - const char *whole_rvalue = rvalue; - char*** passenv = data; - _cleanup_strv_free_ char **n = NULL; - size_t nlen = 0, nbufsize = 0; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *passenv = strv_free(*passenv); - return 0; - } - - for (;;) { - _cleanup_free_ char *word = NULL; - - r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, - "Trailing garbage in %s, ignoring: %s", lvalue, whole_rvalue); - break; - } - - if (!env_name_is_valid(word)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Invalid environment name for %s, ignoring: %s", lvalue, word); - continue; - } - - if (!GREEDY_REALLOC(n, nbufsize, nlen + 2)) - return log_oom(); - n[nlen++] = word; - n[nlen] = NULL; - word = NULL; - } - - if (n) { - r = strv_extend_strv(passenv, n, true); - if (r < 0) - return r; - } - - return 0; -} - -int config_parse_ip_tos(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - 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); - - x = ip_tos_from_string(rvalue); - if (x < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse IP TOS value, ignoring: %s", rvalue); - return 0; - } - - *ip_tos = x; - return 0; -} - -int config_parse_unit_condition_path( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *p = NULL; - Condition **list = data, *c; - ConditionType t = ltype; - bool trigger, negate; - Unit *u = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *list = condition_free_list(*list); - return 0; - } - - trigger = rvalue[0] == '|'; - if (trigger) - rvalue++; - - negate = rvalue[0] == '!'; - if (negate) - rvalue++; - - r = unit_full_printf(u, rvalue, &p); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - if (!path_is_absolute(p)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Path in condition not absolute, ignoring: %s", p); - return 0; - } - - c = condition_new(t, p, trigger, negate); - if (!c) - return log_oom(); - - LIST_PREPEND(conditions, *list, c); - return 0; -} - -int config_parse_unit_condition_string( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *s = NULL; - Condition **list = data, *c; - ConditionType t = ltype; - bool trigger, negate; - Unit *u = userdata; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *list = condition_free_list(*list); - return 0; - } - - trigger = rvalue[0] == '|'; - if (trigger) - rvalue++; - - negate = rvalue[0] == '!'; - if (negate) - rvalue++; - - r = unit_full_printf(u, rvalue, &s); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue); - return 0; - } - - c = condition_new(t, s, trigger, negate); - if (!c) - return log_oom(); - - LIST_PREPEND(conditions, *list, c); - return 0; -} - -int config_parse_unit_condition_null( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Condition **list = data, *c; - bool trigger, negate; - int b; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *list = condition_free_list(*list); - return 0; - } - - trigger = rvalue[0] == '|'; - if (trigger) - rvalue++; - - negate = rvalue[0] == '!'; - if (negate) - rvalue++; - - b = parse_boolean(rvalue); - if (b < 0) { - log_syntax(unit, LOG_ERR, filename, line, b, "Failed to parse boolean value in condition, ignoring: %s", rvalue); - return 0; - } - - if (!b) - negate = !negate; - - c = condition_new(CONDITION_NULL, NULL, trigger, negate); - if (!c) - return log_oom(); - - LIST_PREPEND(conditions, *list, 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_failure_action, failure_action, FailureAction, "Failed to parse failure action specifier"); - -int config_parse_unit_requires_mounts_for( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - const char *word, *state; - size_t l; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - int r; - _cleanup_free_ char *n; - - n = strndup(word, l); - if (!n) - return log_oom(); - - if (!utf8_is_valid(n)) { - log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, rvalue); - continue; - } - - r = unit_require_mounts_for(u, n); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add required mount for, ignoring: %s", rvalue); - continue; - } - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} - -int config_parse_documentation(const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - int r; - char **a, **b; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - u->documentation = strv_free(u->documentation); - return 0; - } - - r = config_parse_unit_strv_printf(unit, filename, line, section, section_line, lvalue, ltype, - rvalue, data, userdata); - if (r < 0) - return r; - - for (a = b = u->documentation; a && *a; a++) { - - if (documentation_url_is_valid(*a)) - *(b++) = *a; - else { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid URL, ignoring: %s", *a); - free(*a); - } - } - if (b) - *b = NULL; - - return r; -} - -#ifdef HAVE_SECCOMP -static int syscall_filter_parse_one( - const char *unit, - const char *filename, - unsigned line, - ExecContext *c, - bool invert, - const char *t, - bool warn) { - int r; - - if (*t == '@') { - const SystemCallFilterSet *set; - - for (set = syscall_filter_sets; set->set_name; set++) - if (streq(set->set_name, t)) { - const char *sys; - - NULSTR_FOREACH(sys, set->value) { - r = syscall_filter_parse_one(unit, filename, line, c, invert, sys, false); - if (r < 0) - return r; - } - break; - } - } else { - int id; - - id = seccomp_syscall_resolve_name(t); - if (id == __NR_SCMP_ERROR) { - if (warn) - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse system call, ignoring: %s", t); - return 0; - } - - /* If we previously wanted to forbid a syscall and now - * we want to allow it, then remove it from the list - */ - if (!invert == c->syscall_whitelist) { - r = set_put(c->syscall_filter, INT_TO_PTR(id + 1)); - if (r == 0) - return 0; - if (r < 0) - return log_oom(); - } else - set_remove(c->syscall_filter, INT_TO_PTR(id + 1)); - } - return 0; -} - -int config_parse_syscall_filter( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - Unit *u = userdata; - bool invert = false; - const char *word, *state; - size_t l; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - c->syscall_filter = set_free(c->syscall_filter); - c->syscall_whitelist = false; - return 0; - } - - if (rvalue[0] == '~') { - invert = true; - rvalue++; - } - - if (!c->syscall_filter) { - c->syscall_filter = set_new(NULL); - if (!c->syscall_filter) - return log_oom(); - - if (invert) - /* Allow everything but the ones listed */ - c->syscall_whitelist = false; - else { - /* Allow nothing but the ones listed */ - c->syscall_whitelist = true; - - /* Accept default syscalls if we are on a whitelist */ - r = syscall_filter_parse_one(unit, filename, line, c, false, "@default", false); - if (r < 0) - return r; - } - } - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - _cleanup_free_ char *t = NULL; - - t = strndup(word, l); - if (!t) - return log_oom(); - - r = syscall_filter_parse_one(unit, filename, line, c, invert, t, true); - if (r < 0) - return r; - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - /* Turn on NNP, but only if it wasn't configured explicitly - * before, and only if we are in user mode. */ - if (!c->no_new_privileges_set && MANAGER_IS_USER(u->manager)) - c->no_new_privileges = true; - - return 0; -} - -int config_parse_syscall_archs( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - Set **archs = data; - const char *word, *state; - size_t l; - int r; - - if (isempty(rvalue)) { - *archs = set_free(*archs); - return 0; - } - - r = set_ensure_allocated(archs, NULL); - if (r < 0) - return log_oom(); - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - _cleanup_free_ char *t = NULL; - uint32_t a; - - t = strndup(word, l); - if (!t) - return log_oom(); - - r = seccomp_arch_from_string(t, &a); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse system call architecture, ignoring: %s", t); - continue; - } - - r = set_put(*archs, UINT32_TO_PTR(a + 1)); - if (r == 0) - continue; - if (r < 0) - return log_oom(); - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} - -int config_parse_syscall_errno( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int e; - - assert(filename); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - /* Empty assignment resets to KILL */ - c->syscall_errno = 0; - return 0; - } - - e = errno_from_name(rvalue); - if (e < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse error number, ignoring: %s", rvalue); - return 0; - } - - c->syscall_errno = e; - return 0; -} - -int config_parse_address_families( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - bool invert = false; - const char *word, *state; - size_t l; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - c->address_families = set_free(c->address_families); - c->address_families_whitelist = false; - return 0; - } - - if (rvalue[0] == '~') { - invert = true; - rvalue++; - } - - if (!c->address_families) { - c->address_families = set_new(NULL); - if (!c->address_families) - return log_oom(); - - c->address_families_whitelist = !invert; - } - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - _cleanup_free_ char *t = NULL; - int af; - - t = strndup(word, l); - if (!t) - return log_oom(); - - af = af_from_name(t); - if (af <= 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse address family, ignoring: %s", t); - continue; - } - - /* If we previously wanted to forbid an address family and now - * we want to allow it, then remove it from the list - */ - if (!invert == c->address_families_whitelist) { - r = set_put(c->address_families, INT_TO_PTR(af)); - if (r == 0) - continue; - if (r < 0) - return log_oom(); - } else - set_remove(c->address_families, INT_TO_PTR(af)); - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} -#endif - -int config_parse_unit_slice( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *k = NULL; - Unit *u = userdata, *slice = NULL; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(u); - - r = unit_name_printf(u, rvalue, &k); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); - return 0; - } - - r = manager_load_unit(u->manager, k, NULL, NULL, &slice); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load slice unit %s. Ignoring.", k); - return 0; - } - - r = unit_set_slice(u, slice); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to assign slice %s to unit %s. Ignoring.", slice->id, u->id); - return 0; - } - - return 0; -} - -DEFINE_CONFIG_PARSE_ENUM(config_parse_device_policy, cgroup_device_policy, CGroupDevicePolicy, "Failed to parse device policy"); - -int config_parse_cpu_shares( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - uint64_t *shares = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = cg_cpu_shares_parse(rvalue, shares); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "CPU shares '%s' invalid. Ignoring.", rvalue); - return 0; - } - - return 0; -} - -int config_parse_cpu_quota( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - CGroupContext *c = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - c->cpu_quota_per_sec_usec = USEC_INFINITY; - return 0; - } - - r = parse_percent(rvalue); - if (r <= 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "CPU quota '%s' invalid. Ignoring.", rvalue); - return 0; - } - - c->cpu_quota_per_sec_usec = ((usec_t) r * USEC_PER_SEC) / 100U; - return 0; -} - -int config_parse_memory_limit( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - CGroupContext *c = data; - uint64_t bytes = CGROUP_LIMIT_MAX; - int r; - - if (!isempty(rvalue) && !streq(rvalue, "infinity")) { - - r = parse_percent(rvalue); - if (r < 0) { - r = parse_size(rvalue, 1024, &bytes); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Memory limit '%s' invalid. Ignoring.", rvalue); - return 0; - } - } else - bytes = physical_memory_scale(r, 100U); - - if (bytes <= 0 || bytes >= UINT64_MAX) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Memory limit '%s' out of range. Ignoring.", rvalue); - return 0; - } - } - - if (streq(lvalue, "MemoryLow")) - c->memory_low = bytes; - else if (streq(lvalue, "MemoryHigh")) - c->memory_high = bytes; - else if (streq(lvalue, "MemoryMax")) - c->memory_max = bytes; - else - c->memory_limit = bytes; - - return 0; -} - -int config_parse_tasks_max( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - uint64_t *tasks_max = data, u; - int r; - - if (isempty(rvalue) || streq(rvalue, "infinity")) { - *tasks_max = (uint64_t) -1; - return 0; - } - - r = parse_percent(rvalue); - if (r < 0) { - r = safe_atou64(rvalue, &u); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Maximum tasks value '%s' invalid. Ignoring.", rvalue); - return 0; - } - } else - u = system_tasks_max_scale(r, 100U); - - if (u <= 0 || u >= UINT64_MAX) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Maximum tasks value '%s' out of range. Ignoring.", rvalue); - return 0; - } - - *tasks_max = u; - return 0; -} - -int config_parse_device_allow( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *path = NULL, *t = NULL; - CGroupContext *c = data; - CGroupDeviceAllow *a; - const char *m = NULL; - size_t n; - int r; - - if (isempty(rvalue)) { - while (c->device_allow) - cgroup_context_free_device_allow(c, c->device_allow); - - return 0; - } - - r = unit_full_printf(userdata, rvalue, &t); - if(r < 0) { - log_syntax(unit, LOG_WARNING, filename, line, r, - "Failed to resolve specifiers in %s, ignoring: %m", - rvalue); - } - - n = strcspn(t, WHITESPACE); - - path = strndup(t, n); - if (!path) - return log_oom(); - - if (!startswith(path, "/dev/") && - !startswith(path, "block-") && - !startswith(path, "char-")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path); - return 0; - } - - m = t + n + strspn(t + n, WHITESPACE); - if (isempty(m)) - m = "rwm"; - - if (!in_charset(m, "rwm")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device rights '%s'. Ignoring.", m); - return 0; - } - - a = new0(CGroupDeviceAllow, 1); - if (!a) - return log_oom(); - - a->path = path; - path = NULL; - a->r = !!strchr(m, 'r'); - a->w = !!strchr(m, 'w'); - a->m = !!strchr(m, 'm'); - - LIST_PREPEND(device_allow, c->device_allow, a); - return 0; -} - -int config_parse_io_weight( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - uint64_t *weight = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = cg_weight_parse(rvalue, weight); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "IO weight '%s' invalid. Ignoring.", rvalue); - return 0; - } - - return 0; -} - -int config_parse_io_device_weight( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *path = NULL; - CGroupIODeviceWeight *w; - CGroupContext *c = data; - const char *weight; - uint64_t u; - size_t n; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - while (c->io_device_weights) - cgroup_context_free_io_device_weight(c, c->io_device_weights); - - return 0; - } - - n = strcspn(rvalue, WHITESPACE); - weight = rvalue + n; - weight += strspn(weight, WHITESPACE); - - if (isempty(weight)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Expected block device and device weight. Ignoring."); - return 0; - } - - path = strndup(rvalue, n); - if (!path) - return log_oom(); - - if (!path_startswith(path, "/dev")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path); - return 0; - } - - r = cg_weight_parse(weight, &u); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "IO weight '%s' invalid. Ignoring.", weight); - return 0; - } - - assert(u != CGROUP_WEIGHT_INVALID); - - w = new0(CGroupIODeviceWeight, 1); - if (!w) - return log_oom(); - - w->path = path; - path = NULL; - - w->weight = u; - - LIST_PREPEND(device_weights, c->io_device_weights, w); - return 0; -} - -int config_parse_io_limit( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *path = NULL; - CGroupIODeviceLimit *l = NULL, *t; - CGroupContext *c = data; - CGroupIOLimitType type; - const char *limit; - uint64_t num; - size_t n; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - type = cgroup_io_limit_type_from_string(lvalue); - assert(type >= 0); - - if (isempty(rvalue)) { - LIST_FOREACH(device_limits, l, c->io_device_limits) - l->limits[type] = cgroup_io_limit_defaults[type]; - return 0; - } - - n = strcspn(rvalue, WHITESPACE); - limit = rvalue + n; - limit += strspn(limit, WHITESPACE); - - if (!*limit) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Expected space separated pair of device node and bandwidth. Ignoring."); - return 0; - } - - path = strndup(rvalue, n); - if (!path) - return log_oom(); - - if (!path_startswith(path, "/dev")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path); - return 0; - } - - if (streq("infinity", limit)) { - num = CGROUP_LIMIT_MAX; - } else { - r = parse_size(limit, 1000, &num); - if (r < 0 || num <= 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "IO Limit '%s' invalid. Ignoring.", rvalue); - return 0; - } - } - - LIST_FOREACH(device_limits, t, c->io_device_limits) { - if (path_equal(path, t->path)) { - l = t; - break; - } - } - - if (!l) { - CGroupIOLimitType ttype; - - l = new0(CGroupIODeviceLimit, 1); - if (!l) - return log_oom(); - - l->path = path; - path = NULL; - for (ttype = 0; ttype < _CGROUP_IO_LIMIT_TYPE_MAX; ttype++) - l->limits[ttype] = cgroup_io_limit_defaults[ttype]; - - LIST_PREPEND(device_limits, c->io_device_limits, l); - } - - l->limits[type] = num; - - return 0; -} - -int config_parse_blockio_weight( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - uint64_t *weight = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = cg_blkio_weight_parse(rvalue, weight); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Block IO weight '%s' invalid. Ignoring.", rvalue); - return 0; - } - - return 0; -} - -int config_parse_blockio_device_weight( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *path = NULL; - CGroupBlockIODeviceWeight *w; - CGroupContext *c = data; - const char *weight; - uint64_t u; - size_t n; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - if (isempty(rvalue)) { - while (c->blockio_device_weights) - cgroup_context_free_blockio_device_weight(c, c->blockio_device_weights); - - return 0; - } - - n = strcspn(rvalue, WHITESPACE); - weight = rvalue + n; - weight += strspn(weight, WHITESPACE); - - if (isempty(weight)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Expected block device and device weight. Ignoring."); - return 0; - } - - path = strndup(rvalue, n); - if (!path) - return log_oom(); - - if (!path_startswith(path, "/dev")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path); - return 0; - } - - r = cg_blkio_weight_parse(weight, &u); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Block IO weight '%s' invalid. Ignoring.", weight); - return 0; - } - - assert(u != CGROUP_BLKIO_WEIGHT_INVALID); - - w = new0(CGroupBlockIODeviceWeight, 1); - if (!w) - return log_oom(); - - w->path = path; - path = NULL; - - w->weight = u; - - LIST_PREPEND(device_weights, c->blockio_device_weights, w); - return 0; -} - -int config_parse_blockio_bandwidth( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - _cleanup_free_ char *path = NULL; - CGroupBlockIODeviceBandwidth *b = NULL, *t; - CGroupContext *c = data; - const char *bandwidth; - uint64_t bytes; - bool read; - size_t n; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - read = streq("BlockIOReadBandwidth", lvalue); - - if (isempty(rvalue)) { - LIST_FOREACH(device_bandwidths, b, c->blockio_device_bandwidths) { - b->rbps = CGROUP_LIMIT_MAX; - b->wbps = CGROUP_LIMIT_MAX; - } - return 0; - } - - n = strcspn(rvalue, WHITESPACE); - bandwidth = rvalue + n; - bandwidth += strspn(bandwidth, WHITESPACE); - - if (!*bandwidth) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Expected space separated pair of device node and bandwidth. Ignoring."); - return 0; - } - - path = strndup(rvalue, n); - if (!path) - return log_oom(); - - if (!path_startswith(path, "/dev")) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Invalid device node path '%s'. Ignoring.", path); - return 0; - } - - r = parse_size(bandwidth, 1000, &bytes); - if (r < 0 || bytes <= 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue); - return 0; - } - - LIST_FOREACH(device_bandwidths, t, c->blockio_device_bandwidths) { - if (path_equal(path, t->path)) { - b = t; - break; - } - } - - if (!t) { - b = new0(CGroupBlockIODeviceBandwidth, 1); - if (!b) - return log_oom(); - - b->path = path; - path = NULL; - b->rbps = CGROUP_LIMIT_MAX; - b->wbps = CGROUP_LIMIT_MAX; - - LIST_PREPEND(device_bandwidths, c->blockio_device_bandwidths, b); - } - - if (read) - b->rbps = bytes; - else - b->wbps = bytes; - - return 0; -} - -DEFINE_CONFIG_PARSE_ENUM(config_parse_job_mode, job_mode, JobMode, "Failed to parse job mode"); - -int config_parse_job_mode_isolate( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - JobMode *m = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - - r = parse_boolean(rvalue); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse boolean, ignoring: %s", rvalue); - return 0; - } - - *m = r ? JOB_ISOLATE : JOB_REPLACE; - return 0; -} - -int config_parse_runtime_directory( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char***rt = data; - Unit *u = userdata; - const char *word, *state; - size_t l; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *rt = strv_free(*rt); - return 0; - } - - FOREACH_WORD_QUOTED(word, l, rvalue, state) { - _cleanup_free_ char *t = NULL, *n = NULL; - - t = strndup(word, l); - if (!t) - return log_oom(); - - r = unit_name_printf(u, t, &n); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m"); - continue; - } - - if (!filename_is_valid(n)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Runtime directory is not valid, ignoring assignment: %s", rvalue); - continue; - } - - r = strv_push(rt, n); - if (r < 0) - return log_oom(); - - n = NULL; - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} - -int config_parse_set_status( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - size_t l; - const char *word, *state; - int r; - ExitStatusSet *status_set = data; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - /* Empty assignment resets the list */ - if (isempty(rvalue)) { - exit_status_set_free(status_set); - return 0; - } - - FOREACH_WORD(word, l, rvalue, state) { - _cleanup_free_ char *temp; - int val; - Set **set; - - temp = strndup(word, l); - if (!temp) - return log_oom(); - - r = safe_atoi(temp, &val); - if (r < 0) { - val = signal_from_string_try_harder(temp); - - if (val <= 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse value, ignoring: %s", word); - continue; - } - set = &status_set->signal; - } else { - if (val < 0 || val > 255) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Value %d is outside range 0-255, ignoring", val); - continue; - } - set = &status_set->status; - } - - r = set_ensure_allocated(set, NULL); - if (r < 0) - return log_oom(); - - r = set_put(*set, INT_TO_PTR(val)); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Unable to store: %s", word); - return r; - } - } - if (!isempty(state)) - log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); - - return 0; -} - -int config_parse_namespace_path_strv( - const char *unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - char*** sv = data; - const char *prev; - const char *cur; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - *sv = strv_free(*sv); - return 0; - } - - prev = cur = rvalue; - for (;;) { - _cleanup_free_ char *word = NULL; - int offset; - - r = extract_first_word(&cur, &word, NULL, EXTRACT_QUOTES); - if (r == 0) - break; - if (r == -ENOMEM) - return log_oom(); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Trailing garbage, ignoring: %s", prev); - return 0; - } - - if (!utf8_is_valid(word)) { - log_syntax_invalid_utf8(unit, LOG_ERR, filename, line, word); - prev = cur; - continue; - } - - offset = word[0] == '-'; - if (!path_is_absolute(word + offset)) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Not an absolute path, ignoring: %s", word); - prev = cur; - continue; - } - - path_kill_slashes(word + offset); - - r = strv_push(sv, word); - if (r < 0) - return log_oom(); - - prev = cur; - word = NULL; - } - - return 0; -} - -int config_parse_no_new_privileges( - const char* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int k; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - k = parse_boolean(rvalue); - if (k < 0) { - log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse boolean value, ignoring: %s", rvalue); - return 0; - } - - c->no_new_privileges = !!k; - c->no_new_privileges_set = true; - - return 0; -} - -int config_parse_protect_home( - const char* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int k; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - /* Our enum shall be a superset of booleans, hence first try - * to parse as boolean, and then as enum */ - - k = parse_boolean(rvalue); - if (k > 0) - c->protect_home = PROTECT_HOME_YES; - else if (k == 0) - c->protect_home = PROTECT_HOME_NO; - else { - ProtectHome h; - - h = protect_home_from_string(rvalue); - if (h < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse protect home value, ignoring: %s", rvalue); - return 0; - } - - c->protect_home = h; - } - - return 0; -} - -int config_parse_protect_system( - const char* unit, - const char *filename, - unsigned line, - const char *section, - unsigned section_line, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int k; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - /* Our enum shall be a superset of booleans, hence first try - * to parse as boolean, and then as enum */ - - k = parse_boolean(rvalue); - if (k > 0) - c->protect_system = PROTECT_SYSTEM_YES; - else if (k == 0) - c->protect_system = PROTECT_SYSTEM_NO; - else { - ProtectSystem s; - - s = protect_system_from_string(rvalue); - if (s < 0) { - log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse protect system value, ignoring: %s", rvalue); - return 0; - } - - c->protect_system = s; - } - - return 0; -} - -#define FOLLOW_MAX 8 - -static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { - char *id = NULL; - unsigned c = 0; - int fd, r; - FILE *f; - - 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 = basename(*filename); - if (unit_name_is_valid(name, UNIT_NAME_ANY)) { - - id = set_get(names, name); - if (!id) { - id = strdup(name); - if (!id) - return -ENOMEM; - - r = set_consume(names, id); - if (r < 0) - return r; - } - } - - /* Try to open the file name, but don't if its a symlink */ - fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW); - if (fd >= 0) - break; - - if (errno != ELOOP) - return -errno; - - /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ - r = readlink_and_make_absolute(*filename, &target); - if (r < 0) - return r; - - free(*filename); - *filename = target; - } - - f = fdopen(fd, "re"); - if (!f) { - safe_close(fd); - return -errno; - } - - *_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 */ - r = unit_merge_by_name(*u, k); - if (r < 0) { - Unit *other; - - /* Hmm, we couldn't merge the other unit into - * ours? Then let's try it the other way - * round */ - - /* If the symlink name we are looking at is unit template, then - we must search for instance of this template */ - if (unit_name_is_valid(k, UNIT_NAME_TEMPLATE) && (*u)->instance) { - _cleanup_free_ char *instance = NULL; - - r = unit_name_replace_instance(k, (*u)->instance, &instance); - if (r < 0) - return r; - - other = manager_get_unit((*u)->manager, instance); - } else - other = manager_get_unit((*u)->manager, k); - - free(k); - - if (other) { - r = unit_merge(other, *u); - if (r >= 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) { - _cleanup_set_free_free_ Set *symlink_names = NULL; - _cleanup_fclose_ FILE *f = NULL; - _cleanup_free_ char *filename = NULL; - char *id = NULL; - Unit *merged; - struct stat st; - int r; - - assert(u); - assert(path); - - symlink_names = set_new(&string_hash_ops); - if (!symlink_names) - return -ENOMEM; - - if (path_is_absolute(path)) { - - filename = strdup(path); - if (!filename) - return -ENOMEM; - - r = open_follow(&filename, &f, symlink_names, &id); - if (r < 0) { - filename = mfree(filename); - if (r != -ENOENT) - return r; - } - - } else { - char **p; - - STRV_FOREACH(p, u->manager->lookup_paths.search_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 */ - filename = path_make_absolute(path, *p); - if (!filename) - return -ENOMEM; - - 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) - break; - filename = mfree(filename); - - /* ENOENT means that the file is missing or is a dangling symlink. - * ENOTDIR means that one of paths we expect to be is a directory - * is not a directory, we should just ignore that. - * EACCES means that the directory or file permissions are wrong. - */ - if (r == -EACCES) - log_debug_errno(r, "Cannot access \"%s\": %m", filename); - else if (!IN_SET(r, -ENOENT, -ENOTDIR)) - return r; - - /* Empty the symlink names for the next run */ - set_clear_free(symlink_names); - } - } - - if (!filename) - /* Hmm, no suitable file found? */ - return 0; - - if (!unit_type_may_alias(u->type) && set_size(symlink_names) > 1) { - log_unit_warning(u, "Unit type of %s does not support alias names, refusing loading via symlink.", u->id); - return -ELOOP; - } - - merged = u; - r = merge_by_names(&merged, symlink_names, id); - if (r < 0) - return r; - - if (merged != u) { - u->load_state = UNIT_MERGED; - return 0; - } - - if (fstat(fileno(f), &st) < 0) - return -errno; - - if (null_or_empty(&st)) { - u->load_state = UNIT_MASKED; - u->fragment_mtime = 0; - } else { - u->load_state = UNIT_LOADED; - u->fragment_mtime = timespec_load(&st.st_mtim); - - /* Now, parse the file contents */ - r = config_parse(u->id, filename, f, - UNIT_VTABLE(u)->sections, - config_item_perf_lookup, load_fragment_gperf_lookup, - false, true, false, u); - if (r < 0) - return r; - } - - free(u->fragment_path); - u->fragment_path = filename; - filename = NULL; - - if (u->source_path) { - if (stat(u->source_path, &st) >= 0) - u->source_mtime = timespec_load(&st.st_mtim); - else - u->source_mtime = 0; - } - - return 0; -} - -int unit_load_fragment(Unit *u) { - int r; - Iterator i; - const char *t; - - assert(u); - assert(u->load_state == UNIT_STUB); - assert(u->id); - - if (u->transient) { - u->load_state = UNIT_LOADED; - return 0; - } - - /* 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 */ - r = load_from_path(u, u->id); - if (r < 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; - - r = load_from_path(u, t); - if (r < 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) { - - r = load_from_path(u, u->fragment_path); - if (r < 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. */ - u->fragment_path = mfree(u->fragment_path); - } - - /* Look for a template */ - if (u->load_state == UNIT_STUB && u->instance) { - _cleanup_free_ char *k = NULL; - - r = unit_name_template(u->id, &k); - if (r < 0) - return r; - - r = load_from_path(u, k); - if (r < 0) - return r; - - if (u->load_state == UNIT_STUB) { - SET_FOREACH(t, u->names, i) { - _cleanup_free_ char *z = NULL; - - if (t == u->id) - continue; - - r = unit_name_template(t, &z); - if (r < 0) - return r; - - r = load_from_path(u, z); - 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[] = { -#if !defined(HAVE_SYSV_COMPAT) || !defined(HAVE_SECCOMP) || !defined(HAVE_PAM) || !defined(HAVE_SELINUX) || !defined(HAVE_SMACK) || !defined(HAVE_APPARMOR) - { config_parse_warn_compat, "NOTSUPPORTED" }, -#endif - { config_parse_int, "INTEGER" }, - { config_parse_unsigned, "UNSIGNED" }, - { config_parse_iec_size, "SIZE" }, - { config_parse_iec_uint64, "SIZE" }, - { config_parse_si_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_log_facility, "FACILITY" }, - { config_parse_log_level, "LEVEL" }, - { config_parse_exec_secure_bits, "SECUREBITS" }, - { config_parse_capability_set, "BOUNDINGSET" }, - { config_parse_limit, "LIMIT" }, - { config_parse_unit_deps, "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" }, -#endif - { config_parse_kill_mode, "KILLMODE" }, - { config_parse_signal, "SIGNAL" }, - { config_parse_socket_listen, "SOCKET [...]" }, - { config_parse_socket_bind, "SOCKETBIND" }, - { config_parse_socket_bindtodevice, "NETWORKINTERFACE" }, - { config_parse_sec, "SECONDS" }, - { config_parse_nsec, "NANOSECONDS" }, - { config_parse_namespace_path_strv, "PATH [...]" }, - { config_parse_unit_requires_mounts_for, "PATH [...]" }, - { config_parse_exec_mount_flags, "MOUNTFLAG [...]" }, - { config_parse_unit_string_printf, "STRING" }, - { config_parse_trigger_unit, "UNIT" }, - { config_parse_timer, "TIMER" }, - { config_parse_path_spec, "PATH" }, - { 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" }, - { config_parse_unit_slice, "SLICE" }, - { config_parse_documentation, "URL" }, - { config_parse_service_timeout, "SECONDS" }, - { config_parse_failure_action, "ACTION" }, - { config_parse_set_status, "STATUS" }, - { config_parse_service_sockets, "SOCKETS" }, - { config_parse_environ, "ENVIRON" }, -#ifdef HAVE_SECCOMP - { config_parse_syscall_filter, "SYSCALLS" }, - { config_parse_syscall_archs, "ARCHS" }, - { config_parse_syscall_errno, "ERRNO" }, - { config_parse_address_families, "FAMILIES" }, -#endif - { config_parse_cpu_shares, "SHARES" }, - { config_parse_memory_limit, "LIMIT" }, - { config_parse_device_allow, "DEVICE" }, - { config_parse_device_policy, "POLICY" }, - { config_parse_io_limit, "LIMIT" }, - { config_parse_io_weight, "WEIGHT" }, - { config_parse_io_device_weight, "DEVICEWEIGHT" }, - { config_parse_blockio_bandwidth, "BANDWIDTH" }, - { config_parse_blockio_weight, "WEIGHT" }, - { config_parse_blockio_device_weight, "DEVICEWEIGHT" }, - { config_parse_long, "LONG" }, - { config_parse_socket_service, "SERVICE" }, -#ifdef HAVE_SELINUX - { config_parse_exec_selinux_context, "LABEL" }, -#endif - { config_parse_job_mode, "MODE" }, - { config_parse_job_mode_isolate, "BOOLEAN" }, - { config_parse_personality, "PERSONALITY" }, - }; - - 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 || !strneq(prev, i, prefix_len+1)) { - 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; - } -} |