X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fload-fragment.c;h=6d8431015da00394520a4dced4a755f12a5ac1fb;hb=3a43da2832dc5360a638d043f469a6dcbe025582;hp=183c43d58fff73176960ae4f7f3f0199a9ea83f3;hpb=bc9fd78c7bfc39881e19457e476393635f8b0442;p=elogind.git diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c index 183c43d58..6d8431015 100644 --- a/src/core/load-fragment.c +++ b/src/core/load-fragment.c @@ -33,6 +33,12 @@ #include #include #include +#include +#include + +#ifdef HAVE_SECCOMP +#include +#endif #include "sd-messages.h" #include "unit.h" @@ -47,23 +53,29 @@ #include "unit-printf.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" -#ifndef HAVE_SYSV_COMPAT -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) { +#ifdef HAVE_SECCOMP +#include "seccomp-util.h" +#endif + +#if !defined(HAVE_SYSV_COMPAT) || !defined(HAVE_SECCOMP) || !defined(HAVE_PAM) || !defined(HAVE_SELINUX) || !defined(HAVE_SMACK) || !defined(HAVE_APPARMOR) +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) { log_syntax(unit, LOG_DEBUG, filename, line, EINVAL, "Support for option %s= has been disabled at compile time and is ignored", @@ -85,9 +97,8 @@ int config_parse_unit_deps(const char* unit, UnitDependency d = ltype; Unit *u = userdata; - char *w; + char *w, *state; size_t l; - char *state; assert(filename); assert(lvalue); @@ -186,8 +197,8 @@ int config_parse_unit_path_printf(const char *unit, void *data, void *userdata) { - Unit *u = userdata; _cleanup_free_ char *k = NULL; + Unit *u = userdata; int r; assert(filename); @@ -196,12 +207,69 @@ int config_parse_unit_path_printf(const char *unit, 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: %s", rvalue, strerror(-r)); + 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, section_line, 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 *w, *state, ***x = data; + Unit *u = userdata; + size_t l; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(u); + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + _cleanup_free_ char *k = NULL; + char t[l+1]; + + memcpy(t, w, 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; + } + + return 0; } int config_parse_socket_listen(const char *unit, @@ -526,9 +594,7 @@ int config_parse_exec(const char *unit, } if (!utf8_is_valid(path)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path is not UTF-8 clean, ignoring assignment: %s", - rvalue); + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); r = 0; goto fail; } @@ -543,9 +609,7 @@ int config_parse_exec(const char *unit, } if (!utf8_is_valid(c)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path is not UTF-8 clean, ignoring assignment: %s", - rvalue); + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); r = 0; goto fail; } @@ -1117,15 +1181,13 @@ int config_parse_exec_mount_flags(const char *unit, return log_oom(); if (streq(t, "shared")) - flags |= MS_SHARED; + flags = MS_SHARED; else if (streq(t, "slave")) - flags |= MS_SLAVE; + flags = MS_SLAVE; else if (streq(w, "private")) - flags |= MS_PRIVATE; + flags = MS_PRIVATE; else { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to parse mount flag %s, ignoring: %s", - t, rvalue); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse mount flag %s, ignoring: %s", t, rvalue); return 0; } } @@ -1134,6 +1196,104 @@ int config_parse_exec_mount_flags(const char *unit, return 0; } +int config_parse_exec_selinux_context( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + ExecContext *c = data; + Unit *u = userdata; + bool ignore; + char *k; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if (isempty(rvalue)) { + free(c->selinux_context); + c->selinux_context = NULL; + c->selinux_context_ignore = false; + return 0; + } + + if (rvalue[0] == '-') { + ignore = true; + rvalue++; + } else + ignore = false; + + r = unit_name_printf(u, rvalue, &k); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to resolve specifiers, ignoring: %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_timer(const char *unit, const char *filename, unsigned line, @@ -1150,7 +1310,6 @@ int config_parse_timer(const char *unit, TimerValue *v; TimerBase b; CalendarSpec *c = NULL; - clockid_t id; assert(filename); assert(lvalue); @@ -1177,8 +1336,6 @@ 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, @@ -1186,8 +1343,6 @@ int config_parse_timer(const char *unit, rvalue); return 0; } - - id = CLOCK_MONOTONIC; } v = new0(TimerValue, 1); @@ -1195,7 +1350,6 @@ int config_parse_timer(const char *unit, return log_oom(); v->base = b; - v->clock_id = id; v->value = u; v->calendar_spec = c; @@ -1502,6 +1656,70 @@ int config_parse_busname_service( return 0; } +DEFINE_CONFIG_PARSE_ENUM(config_parse_bus_policy_world, busname_policy_access, BusNamePolicyAccess, "Failed to parse bus name policy access"); + +int config_parse_bus_policy( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + _cleanup_free_ BusNamePolicy *p = NULL; + _cleanup_free_ char *id_str = NULL; + BusName *busname = data; + char *access_str; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + p = new0(BusNamePolicy, 1); + if (!p) + return log_oom(); + + if (streq(lvalue, "AllowUser")) + p->type = BUSNAME_POLICY_TYPE_USER; + else if (streq(lvalue, "AllowGroup")) + p->type = BUSNAME_POLICY_TYPE_GROUP; + else + assert_not_reached("Unknown lvalue"); + + id_str = strdup(rvalue); + if (!id_str) + return log_oom(); + + access_str = strpbrk(id_str, WHITESPACE); + if (!access_str) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Invalid busname policy value '%s'", rvalue); + return 0; + } + + *access_str = '\0'; + access_str++; + access_str += strspn(access_str, WHITESPACE); + + p->access = busname_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_unit_env_file(const char *unit, const char *filename, unsigned line, @@ -1819,7 +2037,7 @@ int config_parse_unit_condition_null(const char *unit, } 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"); +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, @@ -1852,8 +2070,7 @@ int config_parse_unit_requires_mounts_for( return log_oom(); if (!utf8_is_valid(n)) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Path is not UTF-8 clean, ignoring assignment: %s", rvalue); + log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue); continue; } @@ -1916,33 +2133,32 @@ int config_parse_documentation(const char *unit, return r; } -static void syscall_set(uint32_t *p, int nr) { - nr = SYSCALL_TO_INDEX(nr); - p[nr >> 4] |= 1 << (nr & 31); -} - -static void syscall_unset(uint32_t *p, int nr) { - nr = SYSCALL_TO_INDEX(nr); - p[nr >> 4] &= ~(1 << (nr & 31)); -} +#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) { -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; - char *w; + char *w, *state; size_t l; - char *state; + int r; assert(filename); assert(lvalue); @@ -1951,8 +2167,9 @@ int config_parse_syscall_filter(const char *unit, if (isempty(rvalue)) { /* Empty assignment resets the list */ - free(c->syscall_filter); + set_free(c->syscall_filter); c->syscall_filter = NULL; + c->syscall_whitelist = false; return 0; } @@ -1962,52 +2179,72 @@ int config_parse_syscall_filter(const char *unit, } if (!c->syscall_filter) { - size_t n; - - n = (syscall_max() + 31) >> 4; - c->syscall_filter = new(uint32_t, n); + c->syscall_filter = set_new(trivial_hash_func, trivial_compare_func); if (!c->syscall_filter) return log_oom(); - memset(c->syscall_filter, invert ? 0xFF : 0, n * sizeof(uint32_t)); + 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; - /* 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); + /* 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(w, l, rvalue, state) { - int id; _cleanup_free_ char *t = NULL; + int id; t = strndup(w, l); if (!t) return log_oom(); - id = syscall_from_name(t); + id = seccomp_syscall_resolve_name(t); if (id < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Failed to parse syscall, ignoring: %s", t); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse system call, ignoring: %s", t); continue; } - if (invert) - syscall_unset(c->syscall_filter, id); - else - syscall_set(c->syscall_filter, id); + /* 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)); } - c->no_new_privileges = true; + /* 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_unit_slice( +int config_parse_syscall_archs( const char *unit, const char *filename, unsigned line, @@ -2019,23 +2256,185 @@ int config_parse_unit_slice( void *data, void *userdata) { - _cleanup_free_ char *k = NULL; - Unit *u = userdata, *slice; + Set **archs = data; + char *w, *state; + size_t l; 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(); + if (isempty(rvalue)) { + set_free(*archs); + *archs = NULL; + return 0; + } + + r = set_ensure_allocated(archs, trivial_hash_func, trivial_compare_func); + if (r < 0) + return log_oom(); + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + _cleanup_free_ char *t = NULL; + uint32_t a; + + t = strndup(w, 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(); + } + + 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; + Unit *u = userdata; + bool invert = false; + char *w, *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->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(trivial_hash_func, trivial_compare_func); + if (!c->address_families) + return log_oom(); + + c->address_families_whitelist = !invert; + } + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + _cleanup_free_ char *t = NULL; + int af; + + t = strndup(w, 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)); + } + + 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); @@ -2069,8 +2468,7 @@ int config_parse_cpu_shares( void *data, void *userdata) { - CGroupContext *c = data; - unsigned long lu; + unsigned long *shares = data, lu; int r; assert(filename); @@ -2078,18 +2476,57 @@ int config_parse_cpu_shares( assert(rvalue); if (isempty(rvalue)) { - c->cpu_shares = 1024; + *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); + 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; } - c->cpu_shares = lu; + 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; } @@ -2116,10 +2553,9 @@ int config_parse_memory_limit( assert_cc(sizeof(uint64_t) == sizeof(off_t)); - r = parse_bytes(rvalue, &bytes); + r = parse_size(rvalue, 1024, &bytes); if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Memory limit '%s' invalid. Ignoring.", rvalue); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Memory limit '%s' invalid. Ignoring.", rvalue); return 0; } @@ -2157,9 +2593,10 @@ int config_parse_device_allow( 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); + 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; } @@ -2168,8 +2605,7 @@ int config_parse_device_allow( m = "rwm"; if (!in_charset(m, "rwm")) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Invalid device rights '%s'. Ignoring.", m); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Invalid device rights '%s'. Ignoring.", m); return 0; } @@ -2199,8 +2635,7 @@ int config_parse_blockio_weight( void *data, void *userdata) { - CGroupContext *c = data; - unsigned long lu; + unsigned long *weight = data, lu; int r; assert(filename); @@ -2208,19 +2643,17 @@ int config_parse_blockio_weight( assert(rvalue); if (isempty(rvalue)) { - c->blockio_weight = 1000; + *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); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Block IO weight '%s' invalid. Ignoring.", rvalue); return 0; } - c->blockio_weight = lu; - + *weight = lu; return 0; } @@ -2258,8 +2691,7 @@ int config_parse_blockio_device_weight( n = strcspn(rvalue, WHITESPACE); weight = rvalue + n; if (!*weight) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Expected block device and device weight. Ignoring."); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Expected block device and device weight. Ignoring."); return 0; } @@ -2268,20 +2700,17 @@ int config_parse_blockio_device_weight( return log_oom(); if (!path_startswith(path, "/dev")) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Invalid device node path '%s'. Ignoring.", path); + 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); + 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(); @@ -2352,10 +2781,9 @@ int config_parse_blockio_bandwidth( return 0; } - r = parse_bytes(bandwidth, &bytes); + 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); + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue); return 0; } @@ -2404,6 +2832,338 @@ int config_parse_job_mode_isolate( 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, *w, *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; + } + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + _cleanup_free_ char *n; + + n = strndup(w, l); + if (!n) + return log_oom(); + + if (!filename_is_safe(n)) { + log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Runtime directory is not valid, ignoring assignment: %s", rvalue); + continue; + } + + r = strv_push(rt, n); + if (r < 0) + return log_oom(); + + n = NULL; + } + + return 0; +} + +int config_parse_set_status( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + char *w; + size_t l; + char *state; + int r; + ExitStatusSet *status_set = data; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + /* Empty assignment resets the list */ + if (isempty(rvalue)) { + exit_status_set_free(status_set); + return 0; + } + + FOREACH_WORD(w, l, rvalue, state) { + _cleanup_free_ char *temp; + int val; + + temp = strndup(w, l); + if (!temp) + return log_oom(); + + r = safe_atoi(temp, &val); + if (r < 0) { + val = signal_from_string_try_harder(temp); + + if (val > 0) { + r = set_ensure_allocated(&status_set->signal, NULL, NULL); + if (r < 0) + return log_oom(); + + r = set_put(status_set->signal, INT_TO_PTR(val)); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, -r, "Unable to store: %s", w); + return r; + } + } else { + log_syntax(unit, LOG_ERR, filename, line, -val, "Failed to parse value, ignoring: %s", w); + return 0; + } + } else { + if (val < 0 || val > 255) + log_syntax(unit, LOG_ERR, filename, line, ERANGE, "Value %d is outside range 0-255, ignoring", val); + else { + r = set_ensure_allocated(&status_set->status, NULL, NULL); + if (r < 0) + return log_oom(); + + r = set_put(status_set->status, INT_TO_PTR(val)); + if (r < 0) { + log_syntax(unit, LOG_ERR, filename, line, -r, "Unable to store: %s", w); + return r; + } + } + } + } + + return 0; +} + +int config_parse_namespace_path_strv( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + char*** sv = data, *w, *state; + size_t l; + int r; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + if (isempty(rvalue)) { + /* Empty assignment resets the list */ + strv_free(*sv); + *sv = NULL; + return 0; + } + + FOREACH_WORD_QUOTED(w, l, rvalue, state) { + _cleanup_free_ char *n; + int offset; + + n = strndup(w, 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; + } + + return 0; +} + +int config_parse_no_new_privileges( + const char* unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + ExecContext *c = data; + int k; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + k = parse_boolean(rvalue); + if (k < 0) { + log_syntax(unit, LOG_ERR, filename, line, -k, "Failed to parse boolean value, ignoring: %s", rvalue); + return 0; + } + + c->no_new_privileges = !!k; + c->no_new_privileges_set = true; + + return 0; +} + +int config_parse_protect_home( + const char* unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + ExecContext *c = data; + int k; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + /* Our enum shall be a superset of booleans, hence first try + * to parse as as boolean, and then as enum */ + + k = parse_boolean(rvalue); + if (k > 0) + c->protect_home = PROTECT_HOME_YES; + else if (k == 0) + c->protect_home = PROTECT_HOME_NO; + else { + ProtectHome h; + + h = protect_home_from_string(rvalue); + if (h < 0){ + log_syntax(unit, LOG_ERR, filename, line, -h, "Failed to parse protect home value, ignoring: %s", rvalue); + return 0; + } + + c->protect_home = h; + } + + return 0; +} + +int config_parse_protect_system( + const char* unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + ExecContext *c = data; + int k; + + assert(filename); + assert(lvalue); + assert(rvalue); + assert(data); + + /* Our enum shall be a superset of booleans, hence first try + * to parse as as boolean, and then as enum */ + + k = parse_boolean(rvalue); + if (k > 0) + c->protect_system = PROTECT_SYSTEM_YES; + else if (k == 0) + c->protect_system = PROTECT_SYSTEM_NO; + else { + ProtectSystem s; + + s = protect_system_from_string(rvalue); + if (s < 0){ + log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse protect system value, ignoring: %s", rvalue); + return 0; + } + + c->protect_system = s; + } + + return 0; +} + #define FOLLOW_MAX 8 static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { @@ -2433,7 +3193,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { * unit name. */ 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) { @@ -2467,7 +3227,7 @@ 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; } @@ -2608,9 +3368,10 @@ static int load_from_path(Unit *u, const char *path) { 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) return r; } @@ -2718,9 +3479,14 @@ 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" }, @@ -2737,8 +3503,8 @@ 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" }, @@ -2749,8 +3515,6 @@ void unit_dump_config_items(FILE *f) { { 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" }, @@ -2759,7 +3523,7 @@ 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" }, @@ -2774,11 +3538,16 @@ void unit_dump_config_items(FILE *f) { { config_parse_unit_slice, "SLICE" }, { config_parse_documentation, "URL" }, { config_parse_service_timeout, "SECONDS" }, - { config_parse_start_limit_action, "ACTION" }, + { config_parse_failure_action, "ACTION" }, { config_parse_set_status, "STATUS" }, { config_parse_service_sockets, "SOCKETS" }, { config_parse_environ, "ENVIRON" }, - { config_parse_syscall_filter, "SYSCALL" }, +#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" }, @@ -2788,6 +3557,12 @@ void unit_dump_config_items(FILE *f) { { 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;