X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fload-fragment.c;h=90bf5634c8cea21f5fad15236e9a4932f8297dfb;hp=e2015ed58f4699585ec9e0f1cf075c2b9045dad9;hb=615938651d3a4fd9253b08da00db22d451a8cef8;hpb=db5c0122853a9ecf1cc92e6593461932df2fa866 diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index e2015ed58..90bf5634c 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -33,9 +33,14 @@ #include #include #include +#include +#include -#include +#ifdef HAVE_SECCOMP +#include +#endif +#include "sd-messages.h" #include "unit.h" #include "strv.h" #include "conf-parser.h" @@ -46,34 +51,57 @@ #include "missing.h" #include "unit-name.h" #include "unit-printf.h" -#include "dbus-common.h" #include "utf8.h" #include "path-util.h" -#include "syscall-list.h" #include "env-util.h" +#include "cgroup.h" +#include "bus-util.h" +#include "bus-error.h" +#include "errno-list.h" +#include "af-list.h" +#include "cap-list.h" +#include "bus-internal.h" + +#ifdef HAVE_SECCOMP +#include "seccomp-util.h" +#endif -#ifndef HAVE_SYSV_COMPAT -int config_parse_warn_compat(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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, EINVAL, + "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, EINVAL, + "Support for option %s= has been removed and it is ignored", lvalue); + break; + case DISABLED_EXPERIMENTAL: + log_syntax(unit, LOG_INFO, filename, line, EINVAL, + "Support for option %s= has not yet been enabled and it is ignored", lvalue); + break; + }; - log_syntax(unit, LOG_DEBUG, filename, line, EINVAL, - "Support for option %s= has been disabled at compile time and is ignored", - lvalue); return 0; } -#endif -int config_parse_unit_deps(const char* unit, +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, @@ -82,66 +110,74 @@ int config_parse_unit_deps(const char* unit, UnitDependency d = ltype; Unit *u = userdata; - char *w; + const char *word, *state; size_t l; - char *state; assert(filename); assert(lvalue); assert(rvalue); - FOREACH_WORD_QUOTED(w, l, rvalue, state) { + FOREACH_WORD_QUOTED(word, l, rvalue, state) { _cleanup_free_ char *t = NULL, *k = NULL; int r; - t = strndup(w, l); + t = strndup(word, l); if (!t) return log_oom(); - k = unit_name_printf(u, t); - if (!k) - return log_oom(); + r = unit_name_printf(u, t, &k); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, -r, + "Failed to resolve specifiers, ignoring: %s", strerror(-r)); + 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: %s", k, strerror(-r)); } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Invalid syntax, ignoring."); return 0; } -int config_parse_unit_string_printf(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *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) { - Unit *u = userdata; _cleanup_free_ char *k = NULL; + Unit *u = userdata; + int r; assert(filename); assert(lvalue); assert(rvalue); assert(u); - k = unit_full_printf(u, rvalue); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + 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, lvalue, ltype, - k ? k : rvalue, data, userdata); + 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, @@ -150,18 +186,19 @@ int config_parse_unit_strv_printf(const char *unit, Unit *u = userdata; _cleanup_free_ char *k = NULL; + int r; assert(filename); assert(lvalue); assert(rvalue); assert(u); - k = unit_full_printf(u, rvalue); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + 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: %s", rvalue, strerror(-r)); - return config_parse_strv(unit, filename, line, section, lvalue, ltype, + return config_parse_strv(unit, filename, line, section, section_line, lvalue, ltype, k ? k : rvalue, data, userdata); } @@ -169,41 +206,106 @@ 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) { - Unit *u = userdata; _cleanup_free_ char *k = NULL; + Unit *u = userdata; + int r; assert(filename); assert(lvalue); assert(rvalue); assert(u); - k = unit_full_printf(u, rvalue); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + 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: %s", rvalue, strerror(-r)); + return 0; + } - return config_parse_path(unit, filename, line, section, lvalue, ltype, - k ? k : rvalue, data, userdata); + 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: %s", t, strerror(-r)); + return 0; + } + + if (!utf8_is_valid(k)) { + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); + return 0; + } + + if (!path_is_absolute(k)) { + log_syntax(unit, LOG_ERR, filename, line, -r, "Symlink path %s is not absolute, ignoring: %s", k, strerror(-r)); + 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, EINVAL, "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) { - SocketPort *p, *tail; + _cleanup_free_ SocketPort *p = NULL; + SocketPort *tail; Socket *s; + int r; assert(filename); assert(lvalue); @@ -225,52 +327,47 @@ int config_parse_socket_listen(const char *unit, if (ltype != SOCKET_SOCKET) { p->type = ltype; - p->path = unit_full_printf(UNIT(s), rvalue); - if (!p->path) { + r = unit_full_printf(UNIT(s), rvalue, &p->path); + if (r < 0) { p->path = strdup(rvalue); - if (!p->path) { - free(p); + if (!p->path) return log_oom(); - } else - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + else + log_syntax(unit, LOG_ERR, filename, line, -r, + "Failed to resolve unit specifiers on %s, ignoring: %s", rvalue, strerror(-r)); } path_kill_slashes(p->path); } else if (streq(lvalue, "ListenNetlink")) { _cleanup_free_ char *k = NULL; - int r; p->type = SOCKET_SOCKET; - k = unit_full_printf(UNIT(s), rvalue); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + 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: %s", rvalue, strerror(-r)); - r = socket_address_parse_netlink(&p->address, k ? k : rvalue); + r = socket_address_parse_netlink(&p->address, k ?: rvalue); if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, + log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse address value, ignoring: %s", rvalue); - free(p); return 0; } } else { _cleanup_free_ char *k = NULL; - int r; p->type = SOCKET_SOCKET; - k = unit_full_printf(UNIT(s), rvalue); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); + 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: %s", rvalue, strerror(-r)); r = socket_address_parse(&p->address, k ? k : rvalue); if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, + log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse address value, ignoring: %s", rvalue); - free(p); return 0; } @@ -286,18 +383,19 @@ int config_parse_socket_listen(const char *unit, if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { log_syntax(unit, LOG_ERR, filename, line, ENOTSUP, "Address family not supported, ignoring: %s", rvalue); - free(p); return 0; } } p->fd = -1; + p->socket = s; if (s->ports) { - LIST_FIND_TAIL(SocketPort, port, s->ports, tail); - LIST_INSERT_AFTER(SocketPort, port, s->ports, tail, p); + LIST_FIND_TAIL(port, s->ports, tail); + LIST_INSERT_AFTER(port, s->ports, tail, p); } else - LIST_PREPEND(SocketPort, port, s->ports, p); + LIST_PREPEND(port, s->ports, p); + p = NULL; return 0; } @@ -306,6 +404,7 @@ 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, @@ -344,6 +443,7 @@ 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, @@ -381,6 +481,7 @@ 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, @@ -418,6 +519,7 @@ 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, @@ -438,8 +540,7 @@ int config_parse_exec(const char *unit, if (isempty(rvalue)) { /* An empty assignment resets the list */ - exec_command_free_list(*e); - *e = NULL; + *e = exec_command_free_list(*e); return 0; } @@ -448,10 +549,9 @@ int config_parse_exec(const char *unit, * overriding of argv[0]. */ for (;;) { int i; - char *w; + const char *word, *state, *reason; size_t l; - char *state; - bool honour_argv0 = false, ignore = false; + bool separate_argv0 = false, ignore = false; path = NULL; nce = NULL; @@ -462,88 +562,97 @@ int config_parse_exec(const char *unit, if (rvalue[0] == 0) break; - for (i = 0; i < 2; i++) { - if (rvalue[0] == '-' && !ignore) { - ignore = true; - rvalue ++; - } + k = 0; + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + if (k == 0) { + for (i = 0; i < 2; i++) { + if (*word == '-' && !ignore) { + ignore = true; + word ++; + } + + if (*word == '@' && !separate_argv0) { + separate_argv0 = true; + word ++; + } + } + } else + if (strneq(word, ";", MAX(l, 1U))) + goto found; - if (rvalue[0] == '@' && !honour_argv0) { - honour_argv0 = true; - rvalue ++; - } + k++; } - - if (*rvalue != '/') { + if (!isempty(state)) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Executable path is not absolute, ignoring: %s", rvalue); + "Trailing garbage, ignoring."); return 0; } - k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (strneq(w, ";", MAX(l, 1U))) - break; - - k++; - } - - n = new(char*, k + !honour_argv0); + found: + /* If separate_argv0, we'll move first element to path variable */ + n = new(char*, MAX(k + !separate_argv0, 1u)); if (!n) return log_oom(); k = 0; - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (strneq(w, ";", MAX(l, 1U))) - break; - else if (strneq(w, "\\;", MAX(l, 1U))) - w ++; + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + char *c; + unsigned skip; - if (honour_argv0 && w == rvalue) { - assert(!path); + if (separate_argv0 ? path == NULL : k == 0) { + /* first word, very special */ + skip = separate_argv0 + ignore; - path = strndup(w, l); - if (!path) { - r = log_oom(); - goto fail; - } + /* skip special chars in the beginning */ + assert(skip < l); - if (!utf8_is_valid(path)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path is not UTF-8 clean, ignoring assignment: %s", - rvalue); - r = 0; - goto fail; - } + } else if (strneq(word, ";", MAX(l, 1U))) + /* new commandline */ + break; - } else { - char *c; + else + skip = strneq(word, "\\;", MAX(l, 1U)); - c = n[k++] = cunescape_length(w, l); - if (!c) { - r = log_oom(); - goto fail; - } + c = cunescape_length(word + skip, l - skip); + if (!c) { + r = log_oom(); + goto fail; + } - if (!utf8_is_valid(c)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path is not UTF-8 clean, ignoring assignment: %s", - rvalue); - r = 0; - goto fail; - } + if (!utf8_is_valid(c)) { + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); + r = 0; + goto fail; } + + /* where to stuff this? */ + if (separate_argv0 && path == NULL) + path = c; + else + n[k++] = c; } n[k] = NULL; - if (!n[0]) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Invalid command line, ignoring: %s", rvalue); - r = 0; - goto fail; - } + log_debug("path: %s", path ?: n[0]); + + if (!n[0]) + reason = "Empty executable name or zeroeth argument"; + else if (!string_is_safe(path ?: n[0])) + reason = "Executable path contains special characters"; + else if (!path_is_absolute(path ?: n[0])) + reason = "Executable path is not absolute"; + else if (endswith(path ?: n[0], "/")) + reason = "Executable path specifies a directory"; + else + goto ok; + + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "%s, ignoring: %s", reason, rvalue); + r = 0; + goto fail; +ok: if (!path) { path = strdup(n[0]); if (!path) { @@ -552,8 +661,6 @@ int config_parse_exec(const char *unit, } } - assert(path_is_absolute(path)); - nce = new0(ExecCommand, 1); if (!nce) { r = log_oom(); @@ -589,6 +696,7 @@ 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, @@ -623,6 +731,7 @@ 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, @@ -654,6 +763,7 @@ 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, @@ -685,6 +795,7 @@ 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, @@ -719,6 +830,7 @@ 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, @@ -760,6 +872,7 @@ 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, @@ -767,9 +880,8 @@ int config_parse_exec_cpu_affinity(const char *unit, void *userdata) { ExecContext *c = data; - char *w; + const char *word, *state; size_t l; - char *state; assert(filename); assert(lvalue); @@ -784,12 +896,12 @@ int config_parse_exec_cpu_affinity(const char *unit, return 0; } - FOREACH_WORD_QUOTED(w, l, rvalue, state) { + FOREACH_WORD_QUOTED(word, l, rvalue, state) { _cleanup_free_ char *t = NULL; int r; unsigned cpu; - t = strndup(w, l); + t = strndup(word, l); if (!t) return log_oom(); @@ -809,6 +921,9 @@ int config_parse_exec_cpu_affinity(const char *unit, CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset); } + if (!isempty(state)) + log_syntax(unit, LOG_WARNING, filename, line, EINVAL, + "Trailing garbage, ignoring."); return 0; } @@ -817,6 +932,7 @@ int config_parse_exec_capabilities(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -849,6 +965,7 @@ 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, @@ -856,9 +973,8 @@ int config_parse_exec_secure_bits(const char *unit, void *userdata) { ExecContext *c = data; - char *w; size_t l; - char *state; + const char *word, *state; assert(filename); assert(lvalue); @@ -871,18 +987,18 @@ int config_parse_exec_secure_bits(const char *unit, return 0; } - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - if (first_word(w, "keep-caps")) + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + if (first_word(word, "keep-caps")) c->secure_bits |= 1<secure_bits |= 1<secure_bits |= 1<secure_bits |= 1<secure_bits |= 1<secure_bits |= 1<cgroup_bondings, false); - u->cgroup_bondings = NULL; - return 0; - } - - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - _cleanup_free_ char *t = NULL, *k = NULL, *ku = NULL; - int r; - - t = strndup(w, l); - if (!t) - return log_oom(); - - k = unit_full_printf(u, t); - if (!k) - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to resolve unit specifiers on %s. Ignoring.", - t); - - ku = cunescape(k ? k : t); - if (!ku) - return log_oom(); - - r = unit_add_cgroup_from_text(u, ku, true, NULL); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to parse cgroup value %s, ignoring: %s", - k, rvalue); - return 0; - } - } - - 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, @@ -1079,41 +1149,13 @@ int config_parse_sysv_priority(const char *unit, } #endif -int config_parse_fsck_passno(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { - - int *passno = data; - int i, r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - r = safe_atoi(rvalue, &i); - if (r || i < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to parse fsck pass number, ignoring: %s", rvalue); - return 0; - } - - *passno = (int) i; - return 0; -} - DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); int config_parse_kill_signal(const char *unit, const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -1143,6 +1185,7 @@ 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, @@ -1150,9 +1193,8 @@ int config_parse_exec_mount_flags(const char *unit, void *userdata) { ExecContext *c = data; - char *w; + const char *word, *state; size_t l; - char *state; unsigned long flags = 0; assert(filename); @@ -1160,47 +1202,50 @@ int config_parse_exec_mount_flags(const char *unit, assert(rvalue); assert(data); - FOREACH_WORD_SEPARATOR(w, l, rvalue, ", ", state) { + FOREACH_WORD_SEPARATOR(word, l, rvalue, ", ", state) { _cleanup_free_ char *t; - t = strndup(w, l); + t = strndup(word, l); if (!t) return log_oom(); if (streq(t, "shared")) - flags |= MS_SHARED; + flags = MS_SHARED; else if (streq(t, "slave")) - flags |= MS_SLAVE; - else if (streq(w, "private")) - flags |= MS_PRIVATE; + flags = MS_SLAVE; + else if (streq(word, "private")) + flags = MS_PRIVATE; else { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to parse mount flag %s, ignoring: %s", - t, rvalue); + "Failed to parse mount flag %s, ignoring: %s", t, rvalue); return 0; } } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Trailing garbage, ignoring."); c->mount_flags = flags; return 0; } -int config_parse_timer(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Timer *t = data; - usec_t u = 0; - TimerValue *v; - TimerBase b; - CalendarSpec *c = NULL; - clockid_t id; + ExecContext *c = data; + Unit *u = userdata; + bool ignore; + char *k; + int r; assert(filename); assert(lvalue); @@ -1208,17 +1253,166 @@ int config_parse_timer(const char *unit, assert(data); if (isempty(rvalue)) { - /* Empty assignment resets list */ - timer_free_values(t); + free(c->selinux_context); + c->selinux_context = NULL; + c->selinux_context_ignore = false; return 0; } - b = timer_base_from_string(lvalue); - if (b < 0) { - log_syntax(unit, LOG_ERR, filename, line, -b, - "Failed to parse timer base, ignoring: %s", lvalue); - 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: %s", strerror(-r)); + 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)) { + free(c->apparmor_profile); + c->apparmor_profile = NULL; + 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: %s", strerror(-r)); + 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)) { + free(c->smack_process_label); + c->smack_process_label = NULL; + 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: %s", strerror(-r)); + 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, -b, + "Failed to parse timer base, ignoring: %s", lvalue); + return 0; + } if (b == TIMER_CALENDAR) { if (calendar_spec_from_string(rvalue, &c) < 0) { @@ -1227,8 +1421,6 @@ int config_parse_timer(const char *unit, rvalue); return 0; } - - id = CLOCK_REALTIME; } else { if (parse_sec(rvalue, &u) < 0) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, @@ -1236,20 +1428,19 @@ int config_parse_timer(const char *unit, rvalue); return 0; } - - id = CLOCK_MONOTONIC; } v = new0(TimerValue, 1); - if (!v) + if (!v) { + calendar_spec_free(c); return log_oom(); + } v->base = b; - v->clock_id = id; v->value = u; v->calendar_spec = c; - LIST_PREPEND(TimerValue, value, t->values, v); + LIST_PREPEND(value, t->values, v); return 0; } @@ -1259,6 +1450,7 @@ int config_parse_trigger_unit( const char *filename, unsigned line, const char *section, + unsigned section_line, const char *lvalue, int ltype, const char *rvalue, @@ -1281,11 +1473,12 @@ int config_parse_trigger_unit( return 0; } - p = unit_name_printf(u, rvalue); - if (!p) - return log_oom(); + r = unit_name_printf(u, rvalue, &p); + if (r < 0) + log_syntax(unit, LOG_ERR, filename, line, -r, + "Failed to resolve specifiers, ignoring: %s", strerror(-r)); - type = unit_name_to_type(p); + type = unit_name_to_type(p ?: rvalue); if (type < 0) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Unit type not valid, ignoring: %s", rvalue); @@ -1298,10 +1491,10 @@ int config_parse_trigger_unit( return 0; } - r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p, NULL, true); + r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p ?: rvalue, NULL, true); if (r < 0) { log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to add trigger on %s, ignoring: %s", p, strerror(-r)); + "Failed to add trigger on %s, ignoring: %s", p ?: rvalue, strerror(-r)); return 0; } @@ -1312,6 +1505,7 @@ 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, @@ -1322,6 +1516,7 @@ int config_parse_path_spec(const char *unit, PathSpec *s; PathType b; _cleanup_free_ char *k = NULL; + int r; assert(filename); assert(lvalue); @@ -1341,13 +1536,13 @@ int config_parse_path_spec(const char *unit, return 0; } - k = unit_full_printf(UNIT(p), rvalue); - if (!k) { + r = unit_full_printf(UNIT(p), rvalue, &k); + if (r < 0) { k = strdup(rvalue); if (!k) return log_oom(); else - log_syntax(unit, LOG_ERR, filename, line, EINVAL, + log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); } @@ -1362,29 +1557,32 @@ int config_parse_path_spec(const char *unit, 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(PathSpec, spec, p->specs, s); + LIST_PREPEND(spec, p->specs, s); return 0; } -int config_parse_socket_service(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; Socket *s = data; int r; - DBusError error; Unit *x; _cleanup_free_ char *p = NULL; @@ -1393,24 +1591,20 @@ int config_parse_socket_service(const char *unit, assert(rvalue); assert(data); - dbus_error_init(&error); - - p = unit_name_printf(UNIT(s), rvalue); - if (!p) - return log_oom(); + 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, EINVAL, - "Unit must be of type service, ignoring: %s", rvalue); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "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, EINVAL, - "Failed to load unit %s, ignoring: %s", - rvalue, bus_error(&error, r)); - dbus_error_free(&error); + log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r)); return 0; } @@ -1419,61 +1613,100 @@ int config_parse_socket_service(const char *unit, return 0; } -int config_parse_service_sockets(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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; - int r; - char *state, *w; + const char *word, *state; size_t l; + int r; assert(filename); assert(lvalue); assert(rvalue); assert(data); - FOREACH_WORD_QUOTED(w, l, rvalue, state) { + FOREACH_WORD_QUOTED(word, l, rvalue, state) { _cleanup_free_ char *t = NULL, *k = NULL; - t = strndup(w, l); + t = strndup(word, l); if (!t) return log_oom(); - k = unit_name_printf(UNIT(s), t); - if (!k) - return log_oom(); + r = unit_name_printf(UNIT(s), t, &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, EINVAL, - "Unit must be of type socket, ignoring: %s", k); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "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: %s", - k, strerror(-r)); + 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) - return r; + log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k); } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring."); 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, r, "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, @@ -1488,7 +1721,7 @@ int config_parse_service_timeout(const char *unit, assert(rvalue); assert(s); - r = config_parse_sec(unit, filename, line, section, lvalue, ltype, + r = config_parse_sec(unit, filename, line, section, section_line, lvalue, ltype, rvalue, data, userdata); if (r < 0) return r; @@ -1502,69 +1735,246 @@ int config_parse_service_timeout(const char *unit, return 0; } -int config_parse_unit_env_file(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - char ***env = data; - Unit *u = userdata; - _cleanup_free_ char *s = NULL; + _cleanup_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); - if (isempty(rvalue)) { - /* Empty assignment frees the list */ - strv_free(*env); - *env = NULL; + 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; } - s = unit_full_printf(u, rvalue); - if (!s) - return log_oom(); - - if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) { + if (!endswith(p, ".service")) { log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path '%s' is not absolute, ignoring.", s); + "Unit must be of type service, ignoring: %s", rvalue); return 0; } - r = strv_extend(env, s); - if (r < 0) - return log_oom(); + 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; } -int config_parse_environ(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +DEFINE_CONFIG_PARSE_ENUM(config_parse_bus_policy_world, bus_policy_access, BusPolicyAccess, "Failed to parse bus name policy access"); - Unit *u = userdata; - char*** env = data, *w, *state; +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, EINVAL, + "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, EINVAL, + "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_bus_endpoint_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_ char *name = NULL; + BusPolicyAccess access; + ExecContext *c = data; + char *access_str; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + name = strdup(rvalue); + if (!name) + return log_oom(); + + access_str = strpbrk(name, WHITESPACE); + if (!access_str) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Invalid endpoint policy value '%s'", rvalue); + return 0; + } + + *access_str = '\0'; + access_str++; + access_str += strspn(access_str, WHITESPACE); + + access = bus_policy_access_from_string(access_str); + if (access <= _BUS_POLICY_ACCESS_INVALID || + access >= _BUS_POLICY_ACCESS_MAX) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Invalid endpoint policy access type '%s'", access_str); + return 0; + } + + if (!c->bus_endpoint) { + r = bus_endpoint_new(&c->bus_endpoint); + + if (r < 0) + return r; + } + + return bus_endpoint_add_policy(c->bus_endpoint, name, access); +} + +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; + const char *s; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if (isempty(rvalue)) { + /* Empty assignment frees the list */ + strv_free(*env); + *env = NULL; + 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); + + s = n ?: rvalue; + if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Path '%s' is not absolute, ignoring.", s); + return 0; + } + + r = strv_extend(env, s); + 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(u); + assert(data); if (isempty(rvalue)) { /* Empty assignment resets the list */ @@ -1573,15 +1983,23 @@ int config_parse_environ(const char *unit, return 0; } - k = unit_full_printf(u, rvalue); + 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); + } + + if (!k) + k = strdup(rvalue); if (!k) return log_oom(); - FOREACH_WORD_QUOTED(w, l, k, state) { + FOREACH_WORD_QUOTED(word, l, k, state) { _cleanup_free_ char *n; char **x; - n = cunescape_length(w, l); + n = cunescape_length(word, l); if (!n) return log_oom(); @@ -1598,6 +2016,9 @@ int config_parse_environ(const char *unit, strv_free(*env); *env = x; } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Trailing garbage, ignoring."); return 0; } @@ -1606,6 +2027,7 @@ 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, @@ -1630,21 +2052,24 @@ int config_parse_ip_tos(const char *unit, return 0; } -int config_parse_unit_condition_path(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - ConditionType cond = ltype; - Unit *u = data; - bool trigger, negate; - Condition *c; _cleanup_free_ char *p = NULL; + Condition **list = data, *c; + ConditionType t = ltype; + bool trigger, negate; + Unit *u = userdata; + int r; assert(filename); assert(lvalue); @@ -1653,8 +2078,7 @@ int config_parse_unit_condition_path(const char *unit, if (isempty(rvalue)) { /* Empty assignment resets the list */ - condition_free_list(u->conditions); - u->conditions = NULL; + *list = condition_free_list(*list); return 0; } @@ -1666,39 +2090,43 @@ int config_parse_unit_condition_path(const char *unit, if (negate) rvalue++; - p = unit_full_printf(u, rvalue); - if (!p) - return log_oom(); + 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, EINVAL, - "Path in condition not absolute, ignoring: %s", p); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Path in condition not absolute, ignoring: %s", p); return 0; } - c = condition_new(cond, p, trigger, negate); + c = condition_new(t, p, trigger, negate); if (!c) return log_oom(); - LIST_PREPEND(Condition, conditions, u->conditions, c); + LIST_PREPEND(conditions, *list, c); return 0; } -int config_parse_unit_condition_string(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - ConditionType cond = ltype; - Unit *u = data; - bool trigger, negate; - Condition *c; _cleanup_free_ char *s = NULL; + Condition **list = data, *c; + ConditionType t = ltype; + bool trigger, negate; + Unit *u = userdata; + int r; assert(filename); assert(lvalue); @@ -1707,8 +2135,7 @@ int config_parse_unit_condition_string(const char *unit, if (isempty(rvalue)) { /* Empty assignment resets the list */ - condition_free_list(u->conditions); - u->conditions = NULL; + *list = condition_free_list(*list); return 0; } @@ -1720,30 +2147,33 @@ int config_parse_unit_condition_string(const char *unit, if (negate) rvalue++; - s = unit_full_printf(u, rvalue); - if (!s) - return log_oom(); + 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(cond, s, trigger, negate); + c = condition_new(t, s, trigger, negate); if (!c) return log_oom(); - LIST_PREPEND(Condition, conditions, u->conditions, c); + LIST_PREPEND(conditions, *list, c); return 0; } -int config_parse_unit_condition_null(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Unit *u = data; - Condition *c; + Condition **list = data, *c; bool trigger, negate; int b; @@ -1754,113 +2184,1030 @@ int config_parse_unit_condition_null(const char *unit, if (isempty(rvalue)) { /* Empty assignment resets the list */ - condition_free_list(u->conditions); - u->conditions = NULL; + *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_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, 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, EINVAL, + "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 */ + strv_free(u->documentation); + u->documentation = NULL; + 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, EINVAL, + "Invalid URL, ignoring: %s", *a); + free(*a); + } + } + if (b) + *b = NULL; + + return r; +} + +#ifdef HAVE_SECCOMP +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) { + + static const char default_syscalls[] = + "execve\0" + "exit\0" + "exit_group\0" + "rt_sigreturn\0" + "sigreturn\0"; + + 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 */ + set_free(c->syscall_filter); + c->syscall_filter = NULL; + 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 { + const char *i; + + /* Allow nothing but the ones listed */ + c->syscall_whitelist = true; + + /* Accept default syscalls if we are on a whitelist */ + NULSTR_FOREACH(i, default_syscalls) { + int id; + + id = seccomp_syscall_resolve_name(i); + if (id < 0) + continue; + + r = set_put(c->syscall_filter, INT_TO_PTR(id + 1)); + if (r == -EEXIST) + continue; + if (r < 0) + return log_oom(); + } + } + } + + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + _cleanup_free_ char *t = NULL; + int id; + + t = strndup(word, l); + if (!t) + return log_oom(); + + id = seccomp_syscall_resolve_name(t); + if (id < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Failed to parse system call, ignoring: %s", t); + continue; + } + + /* 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 == -EEXIST) + continue; + if (r < 0) + return log_oom(); + } else + set_remove(c->syscall_filter, INT_TO_PTR(id + 1)); + } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "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 && u->manager->running_as == SYSTEMD_USER) + 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)) { + set_free(*archs); + *archs = NULL; + 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, EINVAL, + "Failed to parse system call architecture, ignoring: %s", t); + continue; + } + + r = set_put(*archs, UINT32_TO_PTR(a + 1)); + if (r == -EEXIST) + continue; + if (r < 0) + return log_oom(); + } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "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, EINVAL, + "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 */ + set_free(c->address_families); + c->address_families = NULL; + 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, EINVAL, + "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 == -EEXIST) + 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, EINVAL, + "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; + 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); + if (!k) { + k = strdup(rvalue); + if (!k) + return log_oom(); + } + + 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; + } + + if (slice->type != UNIT_SLICE) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Slice unit %s is not a slice. Ignoring.", k); + return 0; + } + + unit_ref_set(&u->slice, slice); + 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) { + + unsigned long *shares = data, lu; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + + if (isempty(rvalue)) { + *shares = (unsigned long) -1; + return 0; + } + + r = safe_atolu(rvalue, &lu); + if (r < 0 || lu <= 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "CPU shares '%s' invalid. Ignoring.", rvalue); + return 0; + } + + *shares = lu; + 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; + double percent; + + assert(filename); + assert(lvalue); + assert(rvalue); + + if (isempty(rvalue)) { + c->cpu_quota_per_sec_usec = USEC_INFINITY; + return 0; + } + + if (!endswith(rvalue, "%")) { + + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "CPU quota '%s' not ending in '%%'. Ignoring.", rvalue); + return 0; + } + + if (sscanf(rvalue, "%lf%%", &percent) != 1 || percent <= 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "CPU quota '%s' invalid. Ignoring.", rvalue); + return 0; + } + + c->cpu_quota_per_sec_usec = (usec_t) (percent * USEC_PER_SEC / 100); + + 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; + off_t bytes; + int r; + + if (isempty(rvalue)) { + c->memory_limit = (uint64_t) -1; + return 0; + } + + assert_cc(sizeof(uint64_t) == sizeof(off_t)); + + r = parse_size(rvalue, 1024, &bytes); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Memory limit '%s' invalid. Ignoring.", rvalue); + return 0; + } + + c->memory_limit = (uint64_t) bytes; + 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; + CGroupContext *c = data; + CGroupDeviceAllow *a; + const char *m; + size_t n; + + if (isempty(rvalue)) { + while (c->device_allow) + cgroup_context_free_device_allow(c, c->device_allow); + + return 0; + } + + n = strcspn(rvalue, WHITESPACE); + path = strndup(rvalue, n); + if (!path) + return log_oom(); + + if (!startswith(path, "/dev/") && + !startswith(path, "block-") && + !startswith(path, "char-")) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Invalid device node path '%s'. Ignoring.", path); + return 0; + } + + m = rvalue + n + strspn(rvalue + n, WHITESPACE); + if (isempty(m)) + m = "rwm"; + + if (!in_charset(m, "rwm")) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "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_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) { + + unsigned long *weight = data, lu; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + + if (isempty(rvalue)) { + *weight = (unsigned long) -1; + return 0; + } + + r = safe_atolu(rvalue, &lu); + if (r < 0 || lu < 10 || lu > 1000) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Block IO weight '%s' invalid. Ignoring.", rvalue); + return 0; + } + + *weight = lu; + 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; + unsigned long lu; + const char *weight; + 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; + if (!*weight) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "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, EINVAL, + "Invalid device node path '%s'. Ignoring.", path); + return 0; + } + + weight += strspn(weight, WHITESPACE); + r = safe_atolu(weight, &lu); + if (r < 0 || lu < 10 || lu > 1000) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Block IO weight '%s' invalid. Ignoring.", rvalue); + return 0; + } + + w = new0(CGroupBlockIODeviceWeight, 1); + if (!w) + return log_oom(); + + w->path = path; + path = NULL; + + w->weight = lu; + + 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; + CGroupContext *c = data; + const char *bandwidth; + off_t bytes; + bool read; + size_t n; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + + read = streq("BlockIOReadBandwidth", lvalue); + + if (isempty(rvalue)) { + CGroupBlockIODeviceBandwidth *next; + + LIST_FOREACH_SAFE (device_bandwidths, b, next, c->blockio_device_bandwidths) + if (b->read == read) + cgroup_context_free_blockio_device_bandwidth(c, b); + + return 0; + } + + n = strcspn(rvalue, WHITESPACE); + bandwidth = rvalue + n; + bandwidth += strspn(bandwidth, WHITESPACE); + + if (!*bandwidth) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "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, EINVAL, + "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, EINVAL, + "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue); + return 0; + } + + b = new0(CGroupBlockIODeviceBandwidth, 1); + if (!b) + return log_oom(); + + b->path = path; + path = NULL; + b->bandwidth = (uint64_t) bytes; + b->read = read; + + LIST_PREPEND(device_bandwidths, c->blockio_device_bandwidths, b); + + 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, EINVAL, + "Failed to parse boolean, ignoring: %s", rvalue); + return 0; + } + + *m = r ? JOB_ISOLATE : JOB_REPLACE; + return 0; +} + +int config_parse_personality( + 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 *personality = data, p; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(personality); + + p = personality_from_string(rvalue); + if (p == 0xffffffffUL) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Failed to parse personality, ignoring: %s", rvalue); + return 0; + } + + *personality = p; + 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; + 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 */ + strv_free(*rt); + *rt = NULL; return 0; } - trigger = rvalue[0] == '|'; - if (trigger) - rvalue++; + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + _cleanup_free_ char *n; - negate = rvalue[0] == '!'; - if (negate) - rvalue++; + n = strndup(word, l); + if (!n) + return log_oom(); - 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 (!filename_is_valid(n)) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Runtime directory is not valid, ignoring assignment: %s", rvalue); + continue; + } - if (!b) - negate = !negate; + r = strv_push(rt, n); + if (r < 0) + return log_oom(); - c = condition_new(CONDITION_NULL, NULL, trigger, negate); - if (!c) - return log_oom(); + n = NULL; + } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Trailing garbage, ignoring."); - LIST_PREPEND(Condition, conditions, u->conditions, c); return 0; } -DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier"); -DEFINE_CONFIG_PARSE_ENUM(config_parse_start_limit_action, start_limit_action, StartLimitAction, "Failed to parse start limit action specifier"); - -int config_parse_unit_cgroup_attr(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Unit *u = data; - size_t a, b; - _cleanup_free_ char *n = NULL, *v = NULL; - const CGroupSemantics *s; + 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)) { - /* Empty assignment clears the list */ - cgroup_attribute_free_list(u->cgroup_attributes); - u->cgroup_attributes = NULL; + exit_status_set_free(status_set); return 0; } - a = strcspn(rvalue, WHITESPACE); - b = strspn(rvalue + a, WHITESPACE); - if (a <= 0 || b <= 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to parse cgroup attribute value, ignoring: %s", - rvalue); - return 0; - } + FOREACH_WORD(word, l, rvalue, state) { + _cleanup_free_ char *temp; + int val; + Set **set; - n = strndup(rvalue, a); - if (!n) - return log_oom(); + temp = strndup(word, l); + if (!temp) + return log_oom(); - r = cgroup_semantics_find(NULL, n, rvalue + a + b, &v, &s); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to parse cgroup attribute value, ignoring: %s", - rvalue); - return 0; - } + r = safe_atoi(temp, &val); + if (r < 0) { + val = signal_from_string_try_harder(temp); - r = unit_add_cgroup_attribute(u, s, NULL, n, v ? v : rvalue + a + b, NULL); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to add cgroup attribute value, ignoring: %s", rvalue); - return 0; + if (val <= 0) { + log_syntax(unit, LOG_ERR, filename, line, -val, + "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, ERANGE, + "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, EINVAL, + "Trailing garbage, ignoring."); return 0; } -int config_parse_unit_cgroup_attr_pretty(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Unit *u = data; - _cleanup_free_ char *v = NULL; - const CGroupSemantics *s; + char*** sv = data; + const char *word, *state; + size_t l; int r; assert(filename); @@ -1868,193 +3215,166 @@ int config_parse_unit_cgroup_attr_pretty(const char *unit, assert(rvalue); assert(data); - r = cgroup_semantics_find(NULL, lvalue, rvalue, &v, &s); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to parse cgroup attribute value, ignoring: %s", - rvalue); - return 0; - } else if (r == 0) { - log_syntax(unit, LOG_ERR, filename, line, ENOTSUP, - "Unknown or unsupported cgroup attribute %s, ignoring: %s", - lvalue, rvalue); + if (isempty(rvalue)) { + /* Empty assignment resets the list */ + strv_free(*sv); + *sv = NULL; return 0; } - r = unit_add_cgroup_attribute(u, s, NULL, NULL, v, NULL); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, -r, - "Failed to add cgroup attribute value, ignoring: %s", rvalue); - return 0; + FOREACH_WORD_QUOTED(word, l, rvalue, state) { + _cleanup_free_ char *n; + int offset; + + n = strndup(word, l); + if (!n) + return log_oom(); + + if (!utf8_is_valid(n)) { + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); + continue; + } + + offset = n[0] == '-'; + if (!path_is_absolute(n + offset)) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Not an absolute path, ignoring: %s", rvalue); + continue; + } + + path_kill_slashes(n); + + r = strv_push(sv, n); + if (r < 0) + return log_oom(); + + n = NULL; } + if (!isempty(state)) + log_syntax(unit, LOG_ERR, filename, line, EINVAL, + "Trailing garbage, ignoring."); return 0; } -int config_parse_unit_requires_mounts_for(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Unit *u = userdata; - int r; - bool empty_before; + ExecContext *c = data; + int k; assert(filename); assert(lvalue); assert(rvalue); assert(data); - empty_before = !u->requires_mounts_for; - - r = config_parse_path_strv(unit, filename, line, section, lvalue, ltype, - rvalue, data, userdata); + 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; + } - /* Make it easy to find units with requires_mounts set */ - if (empty_before && u->requires_mounts_for) - LIST_PREPEND(Unit, has_requires_mounts_for, u->manager->has_requires_mounts_for, u); + c->no_new_privileges = !!k; + c->no_new_privileges_set = true; - return r; + return 0; } -int config_parse_documentation(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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) { - Unit *u = userdata; - int r; - char **a, **b; + ExecContext *c = data; + int k; assert(filename); assert(lvalue); assert(rvalue); - assert(u); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - strv_free(u->documentation); - u->documentation = NULL; - return 0; - } + assert(data); - r = config_parse_unit_strv_printf(unit, filename, line, section, lvalue, ltype, - rvalue, data, userdata); - if (r < 0) - return r; + /* Our enum shall be a superset of booleans, hence first try + * to parse as as boolean, and then as enum */ - for (a = b = u->documentation; a && *a; a++) { + 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; - if (is_valid_documentation_url(*a)) - *(b++) = *a; - else { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Invalid URL, ignoring: %s", *a); - free(*a); + h = protect_home_from_string(rvalue); + if (h < 0){ + log_syntax(unit, LOG_ERR, filename, line, -h, + "Failed to parse protect home value, ignoring: %s", rvalue); + return 0; } - } - *b = NULL; - - return r; -} -static void syscall_set(uint32_t *p, int nr) { - nr = SYSCALL_TO_INDEX(nr); - p[nr >> 4] |= 1 << (nr & 31); -} + c->protect_home = h; + } -static void syscall_unset(uint32_t *p, int nr) { - nr = SYSCALL_TO_INDEX(nr); - p[nr >> 4] &= ~(1 << (nr & 31)); + return 0; } -int config_parse_syscall_filter(const char *unit, - const char *filename, - unsigned line, - const char *section, - const char *lvalue, - int ltype, - const char *rvalue, - void *data, - void *userdata) { +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; - Unit *u = userdata; - bool invert = false; - char *w; - size_t l; - char *state; + int k; assert(filename); assert(lvalue); assert(rvalue); - assert(u); - - if (isempty(rvalue)) { - /* Empty assignment resets the list */ - free(c->syscall_filter); - c->syscall_filter = NULL; - return 0; - } - - if (rvalue[0] == '~') { - invert = true; - rvalue++; - } - - if (!c->syscall_filter) { - size_t n; - - n = (syscall_max() + 31) >> 4; - c->syscall_filter = new(uint32_t, n); - if (!c->syscall_filter) - return log_oom(); - - memset(c->syscall_filter, invert ? 0xFF : 0, n * sizeof(uint32_t)); - - /* Add these by default */ - syscall_set(c->syscall_filter, __NR_execve); - syscall_set(c->syscall_filter, __NR_rt_sigreturn); -#ifdef __NR_sigreturn - syscall_set(c->syscall_filter, __NR_sigreturn); -#endif - syscall_set(c->syscall_filter, __NR_exit_group); - syscall_set(c->syscall_filter, __NR_exit); - } + assert(data); - FOREACH_WORD_QUOTED(w, l, rvalue, state) { - int id; - _cleanup_free_ char *t = NULL; + /* Our enum shall be a superset of booleans, hence first try + * to parse as as boolean, and then as enum */ - t = strndup(w, l); - if (!t) - return log_oom(); + 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; - id = syscall_from_name(t); - if (id < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to parse syscall, ignoring: %s", t); - continue; + s = protect_system_from_string(rvalue); + if (s < 0){ + log_syntax(unit, LOG_ERR, filename, line, -s, + "Failed to parse protect system value, ignoring: %s", rvalue); + return 0; } - if (invert) - syscall_unset(c->syscall_filter, id); - else - syscall_set(c->syscall_filter, id); + c->protect_system = s; } - c->no_new_privileges = true; - return 0; } @@ -2085,9 +3405,9 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { /* 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 = path_get_file_name(*filename); + name = basename(*filename); - if (unit_name_is_valid(name, true)) { + if (unit_name_is_valid(name, TEMPLATE_VALID)) { id = set_get(names, name); if (!id) { @@ -2121,7 +3441,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { f = fdopen(fd, "re"); if (!f) { r = -errno; - close_nointr_nofail(fd); + safe_close(fd); return r; } @@ -2176,26 +3496,25 @@ static int merge_by_names(Unit **u, Set *names, const char *id) { static int load_from_path(Unit *u, const char *path) { int r; - Set *symlink_names; - FILE *f = NULL; - char *filename = NULL, *id = NULL; + _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; assert(u); assert(path); - symlink_names = set_new(string_hash_func, string_compare_func); + symlink_names = set_new(&string_hash_ops); if (!symlink_names) return -ENOMEM; if (path_is_absolute(path)) { filename = strdup(path); - if (!filename) { - r = -ENOMEM; - goto finish; - } + if (!filename) + return -ENOMEM; r = open_follow(&filename, &f, symlink_names, &id); if (r < 0) { @@ -2203,7 +3522,7 @@ static int load_from_path(Unit *u, const char *path) { filename = NULL; if (r != -ENOENT) - goto finish; + return r; } } else { @@ -2215,10 +3534,8 @@ static int load_from_path(Unit *u, const char *path) { * follow all symlinks and add their name to our unit * name set while doing so */ filename = path_make_absolute(path, *p); - if (!filename) { - r = -ENOMEM; - goto finish; - } + if (!filename) + return -ENOMEM; if (u->manager->unit_path_cache && !set_get(u->manager->unit_path_cache, filename)) @@ -2231,7 +3548,7 @@ static int load_from_path(Unit *u, const char *path) { filename = NULL; if (r != -ENOENT) - goto finish; + return r; /* Empty the symlink names for the next run */ set_clear_free(symlink_names); @@ -2242,39 +3559,35 @@ static int load_from_path(Unit *u, const char *path) { } } - if (!filename) { + if (!filename) /* Hmm, no suitable file found? */ - r = 0; - goto finish; - } + return 0; merged = u; r = merge_by_names(&merged, symlink_names, id); if (r < 0) - goto finish; + return r; if (merged != u) { u->load_state = UNIT_MERGED; - r = 0; - goto finish; + return 0; } - if (fstat(fileno(f), &st) < 0) { - r = -errno; - goto finish; - } + if (fstat(fileno(f), &st) < 0) + return -errno; if (null_or_empty(&st)) u->load_state = UNIT_MASKED; else { + u->load_state = UNIT_LOADED; + /* Now, parse the file contents */ - r = config_parse(u->id, filename, f, UNIT_VTABLE(u)->sections, - config_item_perf_lookup, - (void*) load_fragment_gperf_lookup, false, true, u); + 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) - goto finish; - - u->load_state = UNIT_LOADED; + return r; } free(u->fragment_path); @@ -2290,16 +3603,7 @@ static int load_from_path(Unit *u, const char *path) { u->source_mtime = 0; } - r = 0; - -finish: - set_free_free(symlink_names); - free(filename); - - if (f) - fclose(f); - - return r; + return 0; } int unit_load_fragment(Unit *u) { @@ -2319,7 +3623,7 @@ int unit_load_fragment(Unit *u) { return r; /* Try to find an alias we can load this with */ - if (u->load_state == UNIT_STUB) + if (u->load_state == UNIT_STUB) { SET_FOREACH(t, u->names, i) { if (t == u->id) @@ -2332,6 +3636,7 @@ int unit_load_fragment(Unit *u) { 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) { @@ -2351,37 +3656,35 @@ int unit_load_fragment(Unit *u) { /* Look for a template */ if (u->load_state == UNIT_STUB && u->instance) { - char *k; + _cleanup_free_ char *k; k = unit_name_template(u->id); if (!k) return -ENOMEM; r = load_from_path(u, k); - free(k); - if (r < 0) return r; - if (u->load_state == UNIT_STUB) + if (u->load_state == UNIT_STUB) { SET_FOREACH(t, u->names, i) { + _cleanup_free_ char *z = NULL; if (t == u->id) continue; - k = unit_name_template(t); - if (!k) + z = unit_name_template(t); + if (!z) return -ENOMEM; - r = load_from_path(u, k); - free(k); - + r = load_from_path(u, z); if (r < 0) return r; if (u->load_state != UNIT_STUB) break; } + } } return 0; @@ -2392,9 +3695,14 @@ void unit_dump_config_items(FILE *f) { 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_bytes_size, "SIZE" }, + { config_parse_iec_size, "SIZE" }, + { config_parse_iec_off, "SIZE" }, + { config_parse_si_size, "SIZE" }, { config_parse_bool, "BOOLEAN" }, { config_parse_string, "STRING" }, { config_parse_path, "PATH" }, @@ -2411,21 +3719,18 @@ void unit_dump_config_items(FILE *f) { { config_parse_unit_env_file, "FILE" }, { config_parse_output, "OUTPUT" }, { config_parse_input, "INPUT" }, - { config_parse_facility, "FACILITY" }, - { config_parse_level, "LEVEL" }, + { config_parse_log_facility, "FACILITY" }, + { config_parse_log_level, "LEVEL" }, { config_parse_exec_capabilities, "CAPABILITIES" }, { config_parse_exec_secure_bits, "SECUREBITS" }, { config_parse_bounding_set, "BOUNDINGSET" }, { config_parse_limit, "LIMIT" }, - { config_parse_unit_cgroup, "CGROUP [...]" }, { 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" }, -#else - { config_parse_warn_compat, "NOTSUPPORTED" }, #endif { config_parse_kill_mode, "KILLMODE" }, { config_parse_kill_signal, "SIGNAL" }, @@ -2434,7 +3739,7 @@ void unit_dump_config_items(FILE *f) { { config_parse_socket_bindtodevice, "NETWORKINTERFACE" }, { config_parse_sec, "SECONDS" }, { config_parse_nsec, "NANOSECONDS" }, - { config_parse_path_strv, "PATH [...]" }, + { 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" }, @@ -2446,6 +3751,34 @@ void unit_dump_config_items(FILE *f) { { 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_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;