X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=load-fragment.c;h=89365817992aa1bf2de0113e9696c687142a44ac;hp=1a334bbc13a5cfe543e646f5cdcb5c031e77851b;hb=09477267f6b353ab607be55e59d2924187d401c4;hpb=b19e7dc0104c8839835a90d7df20c2eeb631e07e diff --git a/load-fragment.c b/load-fragment.c index 1a334bbc1..893658179 100644 --- a/load-fragment.c +++ b/load-fragment.c @@ -1,17 +1,69 @@ /*-*- 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 "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, @@ -32,16 +84,22 @@ static int config_parse_deps( assert(lvalue); assert(rvalue); - FOREACH_WORD(w, &l, rvalue, state) { - char *t; + FOREACH_WORD(w, l, rvalue, state) { + char *t, *k; int r; if (!(t = strndup(w, l))) return -ENOMEM; - r = unit_add_dependency_by_name(u, d, t); + k = unit_name_printf(u, t); free(t); + if (!k) + return -ENOMEM; + + r = unit_add_dependency_by_name(u, d, k, NULL); + free(k); + if (r < 0) return r; } @@ -68,39 +126,24 @@ static int config_parse_names( assert(rvalue); assert(data); - FOREACH_WORD(w, &l, rvalue, state) { - char *t; + FOREACH_WORD(w, l, rvalue, state) { + char *t, *k; int r; - Unit *other; if (!(t = strndup(w, l))) return -ENOMEM; - other = manager_get_unit(u->meta.manager, t); - - if (other) { - - if (other != u) { - - if (other->meta.load_state != UNIT_STUB) { - free(t); - return -EEXIST; - } + k = unit_name_printf(u, t); + free(t); - if ((r = unit_merge(u, other)) < 0) { - free(t); - return r; - } - } + if (!k) + return -ENOMEM; - } else { - if ((r = unit_add_name(u, t)) < 0) { - free(t); - return r; - } - } + r = unit_merge_by_name(u, k); + free(k); - free(t); + if (r < 0) + return r; } return 0; @@ -261,7 +304,7 @@ static int config_parse_oom_adjust( return 0; } -static int config_parse_umask( +static int config_parse_mode( const char *filename, unsigned line, const char *section, @@ -282,12 +325,12 @@ static int config_parse_umask( errno = 0; l = strtol(rvalue, &x, 8); if (!x || *x || errno) { - log_error("[%s:%u] Failed to parse umask value: %s", filename, line, rvalue); + log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); return errno ? -errno : -EINVAL; } - if (l < 0000 || l > 0777) { - log_error("[%s:%u] umask value out of range: %s", filename, line, rvalue); + if (l < 0000 || l > 07777) { + log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); return -ERANGE; } @@ -304,7 +347,7 @@ static int config_parse_exec( void *data, void *userdata) { - ExecCommand **e = data, *ee, *nce = NULL; + ExecCommand **e = data, *nce = NULL; char **n; char *w; unsigned k; @@ -343,12 +386,7 @@ static int config_parse_exec( if (!(nce->path = strdup(n[0]))) goto fail; - if (*e) { - /* It's kinda important that we keep the order here */ - LIST_FIND_TAIL(ExecCommand, command, *e, ee); - LIST_INSERT_AFTER(ExecCommand, command, *e, ee, nce); - } else - *e = nce; + exec_command_append_list(e, nce); return 0; @@ -394,7 +432,42 @@ static int config_parse_usec( return 0; } -static int config_parse_service_type( +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, @@ -403,26 +476,25 @@ static int config_parse_service_type( void *data, void *userdata) { - Service *s = data; + + int *o = data, x; assert(filename); assert(lvalue); assert(rvalue); assert(data); - if (streq(rvalue, "forking")) - s->type = SERVICE_FORKING; - else if (streq(rvalue, "simple")) - s->type = SERVICE_SIMPLE; - else { - log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue); + 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_service_restart( +static int config_parse_level( const char *filename, unsigned line, const char *section, @@ -431,28 +503,24 @@ static int config_parse_service_restart( void *data, void *userdata) { - Service *s = data; + + int *o = data, x; assert(filename); assert(lvalue); assert(rvalue); assert(data); - if (streq(rvalue, "once")) - s->restart = SERVICE_ONCE; - else if (streq(rvalue, "on-success")) - s->type = SERVICE_RESTART_ON_SUCCESS; - else if (streq(rvalue, "always")) - s->type = SERVICE_RESTART_ALWAYS; - else { - log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue); + 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; } -int config_parse_bindtodevice( +static int config_parse_io_class( const char *filename, unsigned line, const char *section, @@ -461,27 +529,26 @@ int config_parse_bindtodevice( void *data, void *userdata) { - Socket *s = data; - char *n; + ExecContext *c = data; + int x; assert(filename); assert(lvalue); assert(rvalue); assert(data); - if (rvalue[0] && !streq(rvalue, "*")) { - if (!(n = strdup(rvalue))) - return -ENOMEM; - } else - n = NULL; + if ((x = ioprio_class_from_string(rvalue)) < 0) { + log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); + return -EBADMSG; + } - free(s->bind_to_device); - s->bind_to_device = n; + c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); + c->ioprio_set = true; return 0; } -int config_parse_output( +static int config_parse_io_priority( const char *filename, unsigned line, const char *section, @@ -490,30 +557,26 @@ int config_parse_output( void *data, void *userdata) { - ExecOutput *o = data; + ExecContext *c = data; + int i; assert(filename); assert(lvalue); assert(rvalue); assert(data); - if (streq(rvalue, "syslog")) - *o = EXEC_SYSLOG; - else if (streq(rvalue, "null")) - *o = EXEC_NULL; - else if (streq(rvalue, "syslog")) - *o = EXEC_SYSLOG; - else if (streq(rvalue, "kernel")) - *o = EXEC_KERNEL; - else { - log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue); + 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; } -int config_parse_facility( +static int config_parse_cpu_sched_policy( const char *filename, unsigned line, const char *section, @@ -522,30 +585,36 @@ int config_parse_facility( void *data, void *userdata) { - static const char * const table[LOG_NFACILITIES] = { - [LOG_FAC(LOG_KERN)] = "kern", - [LOG_FAC(LOG_USER)] = "user", - [LOG_FAC(LOG_MAIL)] = "mail", - [LOG_FAC(LOG_DAEMON)] = "daemon", - [LOG_FAC(LOG_AUTH)] = "auth", - [LOG_FAC(LOG_SYSLOG)] = "syslog", - [LOG_FAC(LOG_LPR)] = "lpr", - [LOG_FAC(LOG_NEWS)] = "news", - [LOG_FAC(LOG_UUCP)] = "uucp", - [LOG_FAC(LOG_CRON)] = "cron", - [LOG_FAC(LOG_AUTHPRIV)] = "authpriv", - [LOG_FAC(LOG_FTP)] = "ftp", - [LOG_FAC(LOG_LOCAL0)] = "local0", - [LOG_FAC(LOG_LOCAL1)] = "local1", - [LOG_FAC(LOG_LOCAL2)] = "local2", - [LOG_FAC(LOG_LOCAL3)] = "local3", - [LOG_FAC(LOG_LOCAL4)] = "local4", - [LOG_FAC(LOG_LOCAL5)] = "local5", - [LOG_FAC(LOG_LOCAL6)] = "local6", - [LOG_FAC(LOG_LOCAL7)] = "local7" - }; - ExecOutput *o = data; + 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); @@ -553,29 +622,62 @@ int config_parse_facility( assert(rvalue); assert(data); - for (i = 0; i < (int) ELEMENTSOF(table); i++) - if (streq(rvalue, table[i])) { - *o = LOG_MAKEPRI(i, LOG_PRI(*o)); - break; - } + /* 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; + } - if (i >= (int) ELEMENTSOF(table)) { + c->cpu_sched_priority = i; + c->cpu_sched_set = true; - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &i) >= 0 && - i >= 0 && - i < (int) ELEMENTSOF(table)) - *o = LOG_MAKEPRI(i, LOG_PRI(*o)); - else { - log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue); + 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; } -int config_parse_level( +static int config_parse_capabilities( const char *filename, unsigned line, const char *section, @@ -584,50 +686,232 @@ int config_parse_level( void *data, void *userdata) { - static const char * const table[LOG_DEBUG+1] = { - [LOG_EMERG] = "emerg", - [LOG_ALERT] = "alert", - [LOG_CRIT] = "crit", - [LOG_ERR] = "err", - [LOG_WARNING] = "warning", - [LOG_NOTICE] = "notice", - [LOG_INFO] = "info", - [LOG_DEBUG] = "debug" - }; + ExecContext *c = data; + cap_t cap; - ExecOutput *o = data; - int i; + 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); - for (i = 0; i < (int) ELEMENTSOF(table); i++) - if (streq(rvalue, table[i])) { - *o = LOG_MAKEPRI(LOG_FAC(*o), i); - break; + 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; } + } - if (i >= LOG_NFACILITIES) { + return 0; +} - /* Second try, let's see if this is a number. */ - if (safe_atoi(rvalue, &i) >= 0 && - i >= 0 && - i < (int) ELEMENTSOF(table)) - *o = LOG_MAKEPRI(LOG_FAC(*o), i); - else { - log_error("[%s:%u] Failed to parse log output: %s", filename, line, rvalue); +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"); + #define FOLLOW_MAX 8 -static int open_follow(char **filename, FILE **_f, Set *names, char **_id) { +static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { unsigned c = 0; int fd, r; FILE *f; @@ -647,6 +931,8 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_id) { 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); @@ -684,15 +970,129 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_id) { if (!(f = fdopen(fd, "r"))) { r = -errno; - assert(close_nointr(fd) == 0); + close_nointr_nofail(fd); return r; } *_f = f; - *_id = id; + *_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" } + }; + + 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] = { @@ -707,30 +1107,63 @@ static int load_from_path(Unit *u, const char *path) { }; #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ - { "Directory", config_parse_path, &(context).directory, 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 }, \ - { "UMask", config_parse_umask, &(context).umask, 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 }, \ - { "Output", config_parse_output, &(context).output, 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 } + { "SyslogLevel", config_parse_level, &(context).syslog_priority, 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 } const ConfigItem items[] = { - { "Names", config_parse_names, u, "Meta" }, - { "Description", config_parse_string, &u->meta.description, "Meta" }, - { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Meta" }, - { "SoftRequires", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUIRES), "Meta" }, - { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Meta" }, - { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Meta" }, - { "SoftRequisite", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUISITE), "Meta" }, - { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Meta" }, - { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Meta" }, - { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Meta" }, + { "Names", config_parse_names, u, "Unit" }, + { "Description", config_parse_string, &u->meta.description, "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" }, @@ -741,8 +1174,15 @@ static int load_from_path(Unit *u, const char *path) { { "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, "Service" }, - { "Restart", config_parse_service_restart, &u->service, "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" }, @@ -756,9 +1196,20 @@ static int load_from_path(Unit *u, const char *path) { { "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"), - EXEC_CONTEXT_CONFIG_ITEMS(u->automount.exec_context, "Automount"), + { "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"), { NULL, NULL, NULL, NULL } }; @@ -769,101 +1220,184 @@ static int load_from_path(Unit *u, const char *path) { char *k; int r; Set *symlink_names; - FILE *f; - char *filename, *id; + FILE *f = NULL; + char *filename = NULL, *id = NULL; + Unit *merged; + + if (!u) { + /* Dirty dirty hack. */ + dump_items((FILE*) path, items); + return 0; + } - sections[0] = "Meta"; + 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; - /* 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, unit_path()))) { - r = -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; } - if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { - if (r == -ENOENT) - r = 0; /* returning 0 means: no suitable config file found */ + 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 */ - r = config_parse(filename, f, sections, items, u); - if (r < 0) + if ((r = config_parse(filename, f, sections, items, u)) < 0) goto finish; - /* Let's try to add in all symlink names we found */ - while ((k = set_steal_first(symlink_names))) { - if ((r = unit_add_name(u, k)) < 0) - goto finish; - - if (id == k) - assert_se(u->meta.id = set_get(u->meta.names, k)); - - free(k); - } - - free(u->meta.load_path); - u->meta.load_path = filename; + free(u->meta.fragment_path); + u->meta.fragment_path = filename; filename = NULL; - r = 1; /* returning 1 means: suitable config file found and loaded */ + 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 = 0; - ExecContext *c; + int r; assert(u); - assert(u->meta.load_state == UNIT_STUB); - if (u->meta.load_path) - r = load_from_path(u, u->meta.load_path); - else { + if (u->meta.fragment_path) { + + if ((r = load_from_path(u, u->meta.fragment_path)) < 0) + return r; + + } else { Iterator i; - char *t; + 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; - /* Try to find a name we can load this with */ - SET_FOREACH(t, u->meta.names, i) - if ((r = load_from_path(u, t)) != 0) + 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.type == UNIT_SOCKET) - c = &u->socket.exec_context; - else if (u->meta.type == UNIT_SERVICE) - c = &u->service.exec_context; - else - c = NULL; + if (u->meta.load_state == UNIT_STUB) + SET_FOREACH(t, u->meta.names, i) { + + if (t == u->meta.id) + continue; - if (r >= 0 && c && - (c->output == EXEC_KERNEL || c->output == EXEC_SYSLOG)) { - int k; + if (!(k = unit_name_template(t))) + return -ENOMEM; - /* If syslog or kernel logging is requested, make sure - * our own logging daemon is run first. */ + r = load_from_path(u, k); + free(k); - if ((k = unit_add_dependency(u, UNIT_AFTER, u->meta.manager->special_units[SPECIAL_LOGGER_SOCKET])) < 0) - return k; + if (r < 0) + return r; - if ((k = unit_add_dependency(u, UNIT_REQUIRES, u->meta.manager->special_units[SPECIAL_LOGGER_SOCKET])) < 0) - return k; + if (u->meta.load_state != UNIT_STUB) + break; + } + } } - return r; + return 0; +} + +void unit_dump_config_items(FILE *f) { + /* OK, this wins a prize for extreme ugliness. */ + + load_from_path(NULL, (const void*) f); }