From e99e38bbdcca3fe5956823bdb3d38544ccf93221 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sun, 16 May 2010 18:45:24 +0200 Subject: build-sys: move source files to subdirectory --- load-fragment.c | 1483 ------------------------------------------------------- 1 file changed, 1483 deletions(-) delete mode 100644 load-fragment.c (limited to 'load-fragment.c') diff --git a/load-fragment.c b/load-fragment.c deleted file mode 100644 index 148a579d99..0000000000 --- a/load-fragment.c +++ /dev/null @@ -1,1483 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ - -/*** - 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 . -***/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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" - -#define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ - static int function( \ - const char *filename, \ - unsigned line, \ - const char *section, \ - const char *lvalue, \ - const char *rvalue, \ - void *data, \ - void *userdata) { \ - \ - type *i = data, x; \ - \ - assert(filename); \ - assert(lvalue); \ - assert(rvalue); \ - assert(data); \ - \ - if ((x = name##_from_string(rvalue)) < 0) { \ - log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \ - return -EBADMSG; \ - } \ - \ - *i = x; \ - \ - return 0; \ - } - -static int config_parse_deps( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - UnitDependency d = PTR_TO_UINT(data); - Unit *u = userdata; - char *w; - size_t l; - char *state; - - assert(filename); - assert(lvalue); - assert(rvalue); - - FOREACH_WORD(w, l, rvalue, state) { - char *t, *k; - int r; - - if (!(t = strndup(w, l))) - 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); - free(k); - - if (r < 0) - return r; - } - - return 0; -} - -static int config_parse_names( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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(w, l, rvalue, state) { - char *t, *k; - int r; - - if (!(t = strndup(w, l))) - return -ENOMEM; - - k = unit_name_printf(u, t); - free(t); - - if (!k) - return -ENOMEM; - - r = unit_merge_by_name(u, k); - free(k); - - if (r < 0) - return r; - } - - return 0; -} - -static int config_parse_description( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - char *k; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if (!(k = unit_full_printf(u, rvalue))) - return -ENOMEM; - - free(u->meta.description); - - if (*k) - u->meta.description = k; - else { - free(k); - u->meta.description = NULL; - } - - return 0; -} - -static int config_parse_listen( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - int r; - SocketPort *p; - Socket *s; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - s = (Socket*) data; - - if (!(p = new0(SocketPort, 1))) - return -ENOMEM; - - if (streq(lvalue, "ListenFIFO")) { - p->type = SOCKET_FIFO; - - if (!(p->path = strdup(rvalue))) { - free(p); - return -ENOMEM; - } - } else { - p->type = SOCKET_SOCKET; - - if ((r = socket_address_parse(&p->address, rvalue)) < 0) { - log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); - free(p); - return r; - } - - 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) { - free(p); - return -EPROTONOSUPPORT; - } - } - - p->fd = -1; - LIST_PREPEND(SocketPort, port, s->ports, p); - - return 0; -} - -static int config_parse_socket_bind( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - int r; - Socket *s; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - s = (Socket*) data; - - if ((r = parse_boolean(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); - return r; - } - - s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; - - return 0; -} - -static int config_parse_nice( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int priority, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = safe_atoi(rvalue, &priority)) < 0) { - log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); - return r; - } - - if (priority < PRIO_MIN || priority >= PRIO_MAX) { - log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); - return -ERANGE; - } - - c->nice = priority; - c->nice_set = false; - - return 0; -} - -static int config_parse_oom_adjust( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - int oa, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = safe_atoi(rvalue, &oa)) < 0) { - log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); - return r; - } - - if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { - log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); - return -ERANGE; - } - - c->oom_adjust = oa; - c->oom_adjust_set = true; - - return 0; -} - -static int config_parse_mode( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - mode_t *m = data; - long l; - char *x = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - errno = 0; - l = strtol(rvalue, &x, 8); - if (!x || *x || errno) { - log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); - return errno ? -errno : -EINVAL; - } - - if (l < 0000 || l > 07777) { - log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); - return -ERANGE; - } - - *m = (mode_t) l; - return 0; -} - -static int config_parse_exec( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecCommand **e = data, *nce = NULL; - char **n; - char *w; - unsigned k; - size_t l; - char *state; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) - k++; - - if (!(n = new(char*, k+1))) - return -ENOMEM; - - k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) - if (!(n[k++] = strndup(w, l))) - goto fail; - - n[k] = NULL; - - if (!n[0] || !path_is_absolute(n[0])) { - log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); - strv_free(n); - return -EINVAL; - } - - if (!(nce = new0(ExecCommand, 1))) - goto fail; - - nce->argv = n; - if (!(nce->path = strdup(n[0]))) - goto fail; - - exec_command_append_list(e, nce); - - return 0; - -fail: - for (; k > 0; k--) - free(n[k-1]); - free(n); - - free(nce); - - return -ENOMEM; -} - -static int config_parse_usec( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - usec_t *usec = data; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = parse_usec(rvalue, usec)) < 0) { - log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); - return r; - } - - 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"); - -static int config_parse_bindtodevice( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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"); - -static int config_parse_facility( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - - int *o = data, x; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((x = log_facility_from_string(rvalue)) < 0) { - log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); - return -EBADMSG; - } - - *o = LOG_MAKEPRI(x, LOG_PRI(*o)); - - return 0; -} - -static int config_parse_level( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - *o = LOG_MAKEPRI(LOG_FAC(*o), x); - return 0; -} - -static int config_parse_io_class( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); - c->ioprio_set = true; - - return 0; -} - -static int config_parse_io_priority( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); - c->ioprio_set = true; - - return 0; -} - -static int config_parse_cpu_sched_policy( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - c->cpu_sched_policy = x; - c->cpu_sched_set = true; - - return 0; -} - -static int config_parse_cpu_sched_prio( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - c->cpu_sched_priority = i; - c->cpu_sched_set = true; - - return 0; -} - -static int config_parse_cpu_affinity( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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(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 (r < 0 || cpu >= CPU_SETSIZE) { - log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); - return -EBADMSG; - } - - CPU_SET(cpu, &c->cpu_affinity); - } - - c->cpu_affinity_set = true; - - return 0; -} - -static int config_parse_capabilities( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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: %s", filename, line, rvalue); - return -EBADMSG; - } - - if (c->capabilities) - cap_free(c->capabilities); - c->capabilities = cap; - - return 0; -} - -static int config_parse_secure_bits( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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(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: %s", filename, line, rvalue); - return -EBADMSG; - } - } - - return 0; -} - -static int config_parse_bounding_set( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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(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: %s", filename, line, rvalue); - return -EBADMSG; - } - - c->capability_bounding_set_drop |= 1 << cap; - } - - return 0; -} - -static int config_parse_timer_slack_ns( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - ExecContext *c = data; - unsigned long u; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = safe_atolu(rvalue, &u)) < 0) { - log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); - return r; - } - - c->timer_slack_ns = u; - - return 0; -} - -static int config_parse_limit( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - struct rlimit **rl = data; - unsigned long long u; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = safe_atollu(rvalue, &u)) < 0) { - log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); - return r; - } - - if (!*rl) - if (!(*rl = new(struct rlimit, 1))) - return -ENOMEM; - - (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; - return 0; -} - -static int config_parse_cgroup( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - Unit *u = userdata; - char *w; - size_t l; - char *state; - - FOREACH_WORD(w, l, rvalue, state) { - char *t; - int r; - - if (!(t = strndup(w, l))) - return -ENOMEM; - - r = unit_add_cgroup_from_text(u, t); - free(t); - - if (r < 0) - return r; - } - - return 0; -} - -static int config_parse_sysv_priority( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - const char *rvalue, - void *data, - void *userdata) { - - int *priority = data; - int r, i; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) { - log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue); - return r; - } - - *priority = (int) i; - return 0; -} - -DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); - -static int config_parse_mount_flags( - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - 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(w, l, rvalue, state) { - if (strncmp(w, "shared", l) == 0) - flags |= MS_SHARED; - else if (strncmp(w, "slave", l) == 0) - flags |= MS_SLAVE; - else if (strncmp(w, "private", l) == 0) - flags |= MS_PRIVATE; - else { - log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue); - return -EINVAL; - } - } - - c->mount_flags = flags; - 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, *k, *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 */ - name = file_name_from_path(*filename); - if (!(id = set_get(names, name))) { - - if (!(id = strdup(name))) - return -ENOMEM; - - if ((r = set_put(names, id)) < 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_malloc(*filename, &target)) < 0) - return r; - - k = file_in_same_dir(*filename, target); - free(target); - - if (!k) - return -ENOMEM; - - free(*filename); - *filename = k; - } - - if (!(f = fdopen(fd, "r"))) { - 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)->meta.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 void dump_items(FILE *f, const ConfigItem *items) { - const ConfigItem *i; - const char *prev_section = NULL; - bool not_first = false; - - struct { - ConfigParserCallback callback; - const char *rvalue; - } table[] = { - { config_parse_int, "INTEGER" }, - { config_parse_unsigned, "UNSIGNED" }, - { config_parse_size, "SIZE" }, - { config_parse_bool, "BOOLEAN" }, - { config_parse_string, "STRING" }, - { config_parse_path, "PATH" }, - { config_parse_strv, "STRING [...]" }, - { config_parse_nice, "NICE" }, - { config_parse_oom_adjust, "OOMADJUST" }, - { config_parse_io_class, "IOCLASS" }, - { config_parse_io_priority, "IOPRIORITY" }, - { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, - { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, - { config_parse_cpu_affinity, "CPUAFFINITY" }, - { config_parse_mode, "MODE" }, - { config_parse_output, "OUTPUT" }, - { config_parse_input, "INPUT" }, - { config_parse_facility, "FACILITY" }, - { config_parse_level, "LEVEL" }, - { config_parse_capabilities, "CAPABILITIES" }, - { config_parse_secure_bits, "SECUREBITS" }, - { config_parse_bounding_set, "BOUNDINGSET" }, - { config_parse_timer_slack_ns, "TIMERSLACK" }, - { config_parse_limit, "LIMIT" }, - { config_parse_cgroup, "CGROUP [...]" }, - { config_parse_deps, "UNIT [...]" }, - { config_parse_names, "UNIT [...]" }, - { config_parse_exec, "PATH [ARGUMENT [...]]" }, - { config_parse_service_type, "SERVICETYPE" }, - { config_parse_service_restart, "SERVICERESTART" }, - { config_parse_sysv_priority, "SYSVPRIORITY" }, - { config_parse_kill_mode, "KILLMODE" }, - { config_parse_listen, "SOCKET [...]" }, - { config_parse_socket_bind, "SOCKETBIND" }, - { config_parse_bindtodevice, "NETWORKINTERFACE" }, - { config_parse_usec, "SECONDS" }, - { config_parse_path_strv, "PATH [...]" }, - { config_parse_mount_flags, "MOUNTFLAG [...]" }, - { config_parse_description, "DESCRIPTION" }, - }; - - assert(f); - assert(items); - - for (i = items; i->lvalue; i++) { - unsigned j; - const char *rvalue = "OTHER"; - - if (!streq_ptr(i->section, prev_section)) { - if (!not_first) - not_first = true; - else - fputc('\n', f); - - fprintf(f, "[%s]\n", i->section); - prev_section = i->section; - } - - for (j = 0; j < ELEMENTSOF(table); j++) - if (i->parse == table[j].callback) { - rvalue = table[j].rvalue; - break; - } - - fprintf(f, "%s=%s\n", i->lvalue, rvalue); - } -} - -static int load_from_path(Unit *u, const char *path) { - - static const char* const section_table[_UNIT_TYPE_MAX] = { - [UNIT_SERVICE] = "Service", - [UNIT_TIMER] = "Timer", - [UNIT_SOCKET] = "Socket", - [UNIT_TARGET] = "Target", - [UNIT_DEVICE] = "Device", - [UNIT_MOUNT] = "Mount", - [UNIT_AUTOMOUNT] = "Automount", - [UNIT_SNAPSHOT] = "Snapshot", - [UNIT_SWAP] = "Swap" - }; - -#define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ - { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ - { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ - { "User", config_parse_string, &(context).user, section }, \ - { "Group", config_parse_string, &(context).group, section }, \ - { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ - { "Nice", config_parse_nice, &(context), section }, \ - { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ - { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ - { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ - { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ - { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ - { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ - { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ - { "UMask", config_parse_mode, &(context).umask, section }, \ - { "Environment", config_parse_strv, &(context).environment, section }, \ - { "StandardInput", config_parse_input, &(context).std_input, section }, \ - { "StandardOutput", config_parse_output, &(context).std_output, section }, \ - { "StandardError", config_parse_output, &(context).std_output, section }, \ - { "TTYPath", config_parse_path, &(context).tty_path, section }, \ - { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \ - { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ - { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ - { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \ - { "Capabilities", config_parse_capabilities, &(context), section }, \ - { "SecureBits", config_parse_secure_bits, &(context), section }, \ - { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ - { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ - { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ - { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ - { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ - { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ - { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ - { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ - { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ - { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ - { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ - { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ - { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ - { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ - { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ - { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ - { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ - { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \ - { "ControlGroup", config_parse_cgroup, u, section }, \ - { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \ - { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \ - { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \ - { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \ - { "MountFlags", config_parse_mount_flags, &(context), section } - - const ConfigItem items[] = { - { "Names", config_parse_names, u, "Unit" }, - { "Description", config_parse_description, u, "Unit" }, - { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" }, - { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" }, - { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" }, - { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" }, - { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" }, - { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" }, - { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, - { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" }, - { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" }, - { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, - - { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, - { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, - { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, - { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, - { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, - { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, - { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, - { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, - { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, - { "Type", config_parse_service_type, &u->service.type, "Service" }, - { "Restart", config_parse_service_restart, &u->service.restart, "Service" }, - { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, - { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, - { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, - { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, - { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, - { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, - { "BusName", config_parse_string, &u->service.bus_name, "Service" }, - EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), - - { "ListenStream", config_parse_listen, &u->socket, "Socket" }, - { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, - { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, - { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, - { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, - { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, - { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, - { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, - { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, - { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, - { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, - { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, - { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, - { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, - { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, - { "Accept", config_parse_bool, &u->socket.accept, "Socket" }, - EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), - - { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, - { "Where", config_parse_path, &u->mount.where, "Mount" }, - { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, - { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, - { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, - { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, - EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), - - { "Where", config_parse_path, &u->automount.where, "Automount" }, - - { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" }, - { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" }, - - { NULL, NULL, NULL, NULL } - }; - -#undef EXEC_CONTEXT_CONFIG_ITEMS - - const char *sections[3]; - char *k; - int r; - Set *symlink_names; - FILE *f = NULL; - char *filename = NULL, *id = NULL; - Unit *merged; - - if (!u) { - /* Dirty dirty hack. */ - dump_items((FILE*) path, items); - return 0; - } - - assert(u); - assert(path); - - sections[0] = "Unit"; - sections[1] = section_table[u->meta.type]; - sections[2] = NULL; - - if (!(symlink_names = set_new(string_hash_func, string_compare_func))) - 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->meta.manager->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 ((r = open_follow(&filename, &f, symlink_names, &id)) < 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) { - r = 0; - goto finish; - } - - merged = u; - if ((r = merge_by_names(&merged, symlink_names, id)) < 0) - goto finish; - - if (merged != u) { - u->meta.load_state = UNIT_MERGED; - r = 0; - goto finish; - } - - /* Now, parse the file contents */ - if ((r = config_parse(filename, f, sections, items, u)) < 0) - goto finish; - - free(u->meta.fragment_path); - u->meta.fragment_path = filename; - filename = NULL; - - u->meta.load_state = UNIT_LOADED; - r = 0; - -finish: - while ((k = set_steal_first(symlink_names))) - free(k); - - set_free(symlink_names); - free(filename); - - if (f) - fclose(f); - - return r; -} - -int unit_load_fragment(Unit *u) { - int r; - - assert(u); - - if (u->meta.fragment_path) { - - if ((r = load_from_path(u, u->meta.fragment_path)) < 0) - return r; - - } else { - Iterator i; - const char *t; - - /* Try to find the unit under its id */ - if ((r = load_from_path(u, u->meta.id)) < 0) - return r; - - /* Try to find an alias we can load this with */ - if (u->meta.load_state == UNIT_STUB) - SET_FOREACH(t, u->meta.names, i) { - - if (t == u->meta.id) - continue; - - if ((r = load_from_path(u, t)) < 0) - return r; - - if (u->meta.load_state != UNIT_STUB) - break; - } - - /* Now, follow the same logic, but look for a template */ - if (u->meta.load_state == UNIT_STUB && u->meta.instance) { - char *k; - - if (!(k = unit_name_template(u->meta.id))) - return -ENOMEM; - - r = load_from_path(u, k); - free(k); - - if (r < 0) - return r; - - if (u->meta.load_state == UNIT_STUB) - SET_FOREACH(t, u->meta.names, i) { - - if (t == u->meta.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->meta.load_state != UNIT_STUB) - break; - } - } - } - - return 0; -} - -void unit_dump_config_items(FILE *f) { - /* OK, this wins a prize for extreme ugliness. */ - - load_from_path(NULL, (const void*) f); -} -- cgit v1.2.3-54-g00ecf