]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/shared/bus-unit-util.c
build-sys: use #if Y instead of #ifdef Y everywhere
[thirdparty/systemd.git] / src / shared / bus-unit-util.c
index 17c67221a0bcaa329dab9fa26abfab8e42c92680..e191f8c93efb31eddd422df529bf56845dd8326e 100644 (file)
 #include "bus-internal.h"
 #include "bus-unit-util.h"
 #include "bus-util.h"
+#include "cap-list.h"
 #include "cgroup-util.h"
+#include "cpu-set-util.h"
 #include "env-util.h"
+#include "errno-list.h"
 #include "escape.h"
 #include "hashmap.h"
+#include "hostname-util.h"
+#include "in-addr-util.h"
 #include "list.h"
 #include "locale-util.h"
 #include "mount-util.h"
 #include "path-util.h"
 #include "process-util.h"
 #include "rlimit-util.h"
+#include "securebits-util.h"
 #include "signal-util.h"
 #include "string-util.h"
 #include "syslog-util.h"
 #include "terminal-util.h"
+#include "user-util.h"
 #include "utf8.h"
 #include "util.h"
 
@@ -61,6 +68,31 @@ int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
                         &u->job_path);
 }
 
+static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) {
+        int r;
+
+        assert(m);
+        assert(prefix);
+
+        r = sd_bus_message_open_container(m, 'r', "iayu");
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "i", family);
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family));
+        if (r < 0)
+                return r;
+
+        r = sd_bus_message_append(m, "u", prefixlen);
+        if (r < 0)
+                return r;
+
+        return sd_bus_message_close_container(m);
+}
+
 int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) {
         const char *eq, *field;
         UnitDependency dep;
@@ -202,13 +234,14 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                 r = sd_bus_message_append(m, "sv", sn, "t", l.rlim_cur);
 
         } else if (STR_IN_SET(field,
-                              "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting", "TasksAccounting",
-                              "SendSIGHUP", "SendSIGKILL", "WakeSystem", "DefaultDependencies",
-                              "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "RemainAfterExit",
-                              "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers", "NoNewPrivileges",
-                              "SyslogLevelPrefix", "Delegate", "RemainAfterElapse", "MemoryDenyWriteExecute",
-                              "RestrictRealtime", "DynamicUser", "RemoveIPC", "ProtectKernelTunables",
-                              "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS")) {
+                              "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting",
+                              "TasksAccounting", "IPAccounting", "SendSIGHUP", "SendSIGKILL", "WakeSystem",
+                              "DefaultDependencies", "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate",
+                              "RemainAfterExit", "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers",
+                              "NoNewPrivileges", "SyslogLevelPrefix", "Delegate", "RemainAfterElapse",
+                              "MemoryDenyWriteExecute", "RestrictRealtime", "DynamicUser", "RemoveIPC",
+                              "ProtectKernelTunables", "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS",
+                              "CPUSchedulingResetOnFork", "LockPersonality")) {
 
                 r = parse_boolean(eq);
                 if (r < 0)
@@ -266,10 +299,26 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                               "StandardInput", "StandardOutput", "StandardError",
                               "Description", "Slice", "Type", "WorkingDirectory",
                               "RootDirectory", "SyslogIdentifier", "ProtectSystem",
-                              "ProtectHome", "SELinuxContext", "Restart", "RootImage"))
+                              "ProtectHome", "SELinuxContext", "Restart", "RootImage",
+                              "NotifyAccess", "RuntimeDirectoryPreserve", "Personality",
+                              "KeyringMode"))
                 r = sd_bus_message_append(m, "v", "s", eq);
 
-        else if (streq(field, "SyslogLevel")) {
+        else if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) {
+                bool ignore;
+                const char *s;
+
+                if (eq[0] == '-') {
+                        ignore = true;
+                        s = eq + 1;
+                } else {
+                        ignore = false;
+                        s = eq;
+                }
+
+                r = sd_bus_message_append(m, "v", "(bs)", ignore, s);
+
+        } else if (streq(field, "SyslogLevel")) {
                 int level;
 
                 level = log_level_from_string(eq);
@@ -291,6 +340,37 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
                 r = sd_bus_message_append(m, "v", "i", facility);
 
+        } else if (streq(field, "SecureBits")) {
+
+                r = secure_bits_from_string(eq);
+                if (r < 0) {
+                        log_error("Failed to parse %s value %s.", field, eq);
+                        return -EINVAL;
+                }
+
+                r = sd_bus_message_append(m, "v", "i", r);
+
+        } else if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) {
+                uint64_t sum = 0;
+                bool invert = false;
+                const char *p;
+
+                p = eq;
+                if (*p == '~') {
+                        invert = true;
+                        p++;
+                }
+
+                r = capability_set_from_string(p, &sum);
+                if (r < 0) {
+                        log_error("Failed to parse %s value %s.", field, eq);
+                        return -EINVAL;
+                }
+
+                sum = invert ? ~sum : sum;
+
+                r = sd_bus_message_append(m, "v", "t", sum);
+
         } else if (streq(field, "DeviceAllow")) {
 
                 if (isempty(eq))
@@ -380,6 +460,135 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                         r = sd_bus_message_append(m, "v", "a(st)", 1, path, u);
                 }
 
+        } else if (STR_IN_SET(field, "IPAddressAllow", "IPAddressDeny")) {
+
+                if (isempty(eq))
+                        r = sd_bus_message_append(m, "v", "a(iayu)", 0);
+                else {
+                        unsigned char prefixlen;
+                        union in_addr_union prefix = {};
+                        int family;
+
+                        r = sd_bus_message_open_container(m, 'v', "a(iayu)");
+                        if (r < 0)
+                                return bus_log_create_error(r);
+
+                        r = sd_bus_message_open_container(m, 'a', "(iayu)");
+                        if (r < 0)
+                                return bus_log_create_error(r);
+
+                        if (streq(eq, "any")) {
+                                /* "any" is a shortcut for 0.0.0.0/0 and ::/0 */
+
+                                r = bus_append_ip_address_access(m, AF_INET, &prefix, 0);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                                r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                        } else if (is_localhost(eq)) {
+                                /* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */
+
+                                prefix.in.s_addr = htobe32(0x7f000000);
+                                r = bus_append_ip_address_access(m, AF_INET, &prefix, 8);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                                prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT;
+                                r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128);
+                                if (r < 0)
+                                        return r;
+
+                        } else if (streq(eq, "link-local")) {
+
+                                /* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */
+
+                                prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16));
+                                r = bus_append_ip_address_access(m, AF_INET, &prefix, 16);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                                prefix.in6 = (struct in6_addr) {
+                                        .__in6_u.__u6_addr32[0] = htobe32(0xfe800000)
+                                };
+                                r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                        } else if (streq(eq, "multicast")) {
+
+                                /* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */
+
+                                prefix.in.s_addr = htobe32((UINT32_C(224) << 24));
+                                r = bus_append_ip_address_access(m, AF_INET, &prefix, 4);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                                prefix.in6 = (struct in6_addr) {
+                                        .__in6_u.__u6_addr32[0] = htobe32(0xff000000)
+                                };
+                                r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+
+                        } else {
+                                r = in_addr_prefix_from_string_auto(eq, &family, &prefix, &prefixlen);
+                                if (r < 0)
+                                        return log_error_errno(r, "Failed to parse IP address prefix: %s", eq);
+
+                                r = bus_append_ip_address_access(m, family, &prefix, prefixlen);
+                                if (r < 0)
+                                        return bus_log_create_error(r);
+                        }
+
+                        r = sd_bus_message_close_container(m);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+
+                        r = sd_bus_message_close_container(m);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
+        } else if (streq(field, "CPUSchedulingPolicy")) {
+                int n;
+
+                n = sched_policy_from_string(eq);
+                if (n < 0)
+                        return log_error_errno(r, "Failed to parse CPUSchedulingPolicy: %s", eq);
+
+                r = sd_bus_message_append(m, "v", "i", (int32_t) n);
+
+        } else if (streq(field, "CPUSchedulingPriority")) {
+                int n;
+
+                r = safe_atoi(eq, &n);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse CPUSchedulingPriority: %s", eq);
+                if (!sched_priority_is_valid(n))
+                        return log_error_errno(r, "Invalid CPUSchedulingPriority: %s", eq);
+
+                r = sd_bus_message_append(m, "v", "i", (int32_t) n);
+
+        } else if (streq(field, "CPUAffinity")) {
+                _cleanup_cpu_free_ cpu_set_t *cpuset = NULL;
+                int ncpus;
+
+                ncpus = parse_cpu_set(eq, &cpuset);
+                if (ncpus < 0)
+                        return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+
+                r = sd_bus_message_open_container(m, 'v', "ay");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                if (cpuset)
+                        sd_bus_message_append_array(m, 'y', cpuset, CPU_ALLOC_SIZE(ncpus));
+
+                r = sd_bus_message_close_container(m);
+
         } else if (streq(field, "Nice")) {
                 int n;
 
@@ -389,7 +598,170 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
                 r = sd_bus_message_append(m, "v", "i", (int32_t) n);
 
-        } else if (STR_IN_SET(field, "Environment", "PassEnvironment")) {
+#if HAVE_SECCOMP
+
+        } else if (streq(field, "SystemCallFilter")) {
+                int whitelist;
+                const char *p;
+
+                r = sd_bus_message_open_container(m, 'v', "bas");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                p = eq;
+                if (*p == '~') {
+                        whitelist = 0;
+                        p++;
+                } else
+                        whitelist = 1;
+
+                r = sd_bus_message_append_basic(m, 'b', &whitelist);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_open_container(m, 'a', "s");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                if (whitelist != 0) {
+                        r = sd_bus_message_append_basic(m, 's', "@default");
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+                        if (r == 0)
+                                break;
+
+                        r = sd_bus_message_append_basic(m, 's', word);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
+                r = sd_bus_message_close_container(m);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_close_container(m);
+
+        } else if (streq(field, "SystemCallArchitectures")) {
+                const char *p;
+
+                r = sd_bus_message_open_container(m, 'v', "as");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_open_container(m, 'a', "s");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                for (p = eq;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+                        if (r == 0)
+                                break;
+
+                        r = sd_bus_message_append_basic(m, 's', word);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
+                r = sd_bus_message_close_container(m);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_close_container(m);
+
+        } else if (streq(field, "SystemCallErrorNumber")) {
+                int n;
+
+                n = errno_from_name(eq);
+                if (n < 0)
+                        return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+
+                r = sd_bus_message_append(m, "v", "i", (int32_t) n);
+
+        } else if (streq(field, "RestrictAddressFamilies")) {
+                int whitelist;
+                const char *p;
+
+                r = sd_bus_message_open_container(m, 'v', "bas");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                p = eq;
+                if (*p == '~') {
+                        whitelist = 0;
+                        p++;
+                } else
+                        whitelist = 1;
+
+                r = sd_bus_message_append_basic(m, 'b', &whitelist);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_open_container(m, 'a', "s");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                for (;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
+                        if (r == 0)
+                                break;
+
+                        r = sd_bus_message_append_basic(m, 's', word);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                }
+
+                r = sd_bus_message_close_container(m);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_close_container(m);
+
+#endif
+
+        } else if (streq(field, "FileDescriptorStoreMax")) {
+                unsigned u;
+
+                r = safe_atou(eq, &u);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse file descriptor store limit: %s", eq);
+
+                r = sd_bus_message_append(m, "v", "u", (uint32_t) u);
+
+        } else if (streq(field, "IOSchedulingClass")) {
+                int c;
+
+                c = ioprio_class_from_string(eq);
+                if (c < 0)
+                        return log_error_errno(r, "Failed to parse IO scheduling class: %s", eq);
+
+                r = sd_bus_message_append(m, "v", "i", (int32_t) c);
+
+        } else if (streq(field, "IOSchedulingPriority")) {
+                int q;
+
+                r = ioprio_parse_priority(eq, &q);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse IO scheduling priority: %s", eq);
+
+                r = sd_bus_message_append(m, "v", "i", (int32_t) q);
+
+        } else if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment")) {
                 const char *p;
 
                 r = sd_bus_message_open_container(m, 'v', "as");
@@ -416,6 +788,11 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                                         log_error("Invalid environment assignment: %s", word);
                                         return -EINVAL;
                                 }
+                        } else if (streq(field, "UnsetEnvironment")) {
+                                if (!env_assignment_is_valid(word) && !env_name_is_valid(word)) {
+                                        log_error("Invalid environment name or assignment: %s", word);
+                                        return -EINVAL;
+                                }
                         } else {  /* PassEnvironment */
                                 if (!env_name_is_valid(word)) {
                                         log_error("Invalid environment variable name: %s", word);
@@ -520,7 +897,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
                 r = sd_bus_message_close_container(m);
 
-        } else if (streq(field, "RuntimeDirectory")) {
+        } else if (streq(field, "SupplementaryGroups")) {
                 const char *p;
 
                 r = sd_bus_message_open_container(m, 'v', "as");
@@ -535,9 +912,57 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                         _cleanup_free_ char *word = NULL;
 
                         r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r < 0) {
+                                log_error("Failed to parse %s value %s", field, eq);
+                                return -EINVAL;
+                        }
+                        if (r == 0)
+                                break;
+
+                        if (!valid_user_group_name_or_id(word)) {
+                                log_error("Failed to parse %s value %s", field, eq);
+                                return -EINVAL;
+                        }
+
+                        r = sd_bus_message_append_basic(m, 's', word);
                         if (r < 0)
-                                return log_error_errno(r, "Failed to parse %s value %s", field, eq);
+                                return bus_log_create_error(r);
+                }
+
+                r = sd_bus_message_close_container(m);
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_close_container(m);
 
+        } else if (STR_IN_SET(field, "RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode", "LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask")) {
+                mode_t mode;
+
+                r = parse_mode(eq, &mode);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse %s value %s", field, eq);
+
+                r = sd_bus_message_append(m, "v", "u", mode);
+
+        } else if (STR_IN_SET(field, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) {
+                const char *p;
+
+                r = sd_bus_message_open_container(m, 'v', "as");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                r = sd_bus_message_open_container(m, 'a', "s");
+                if (r < 0)
+                        return bus_log_create_error(r);
+
+                for (p = eq;;) {
+                        _cleanup_free_ char *word = NULL;
+
+                        r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES);
+                        if (r == -ENOMEM)
+                                return log_oom();
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to parse %s value %s", field, eq);
                         if (r == 0)
                                 break;
 
@@ -554,7 +979,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
 
         } else if (streq(field, "RestrictNamespaces")) {
                 bool invert = false;
-                uint64_t flags = 0;
+                unsigned long flags = 0;
 
                 if (eq[0] == '~') {
                         invert = true;
@@ -575,7 +1000,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                 if (invert)
                         flags = (~flags) & NAMESPACE_FLAGS_ALL;
 
-                r = sd_bus_message_append(m, "v", "t", flags);
+                r = sd_bus_message_append(m, "v", "t", (uint64_t) flags);
         } else if ((dep = unit_dependency_from_string(field)) >= 0)
                 r = sd_bus_message_append(m, "v", "as", 1, eq);
         else if (streq(field, "MountFlags")) {
@@ -828,6 +1253,9 @@ static int bus_job_get_service_result(BusWaitForJobs *d, char **result) {
         assert(d->name);
         assert(result);
 
+        if (!endswith(d->name, ".service"))
+                return -EINVAL;
+
         dbus_path = unit_dbus_path_from_name(d->name);
         if (!dbus_path)
                 return -ENOMEM;
@@ -860,9 +1288,9 @@ static void log_job_error_with_service_result(const char* service, const char *r
 
         assert(service);
 
-        service_shell_quoted = shell_maybe_quote(service);
+        service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH);
 
-        if (extra_args && extra_args[1]) {
+        if (extra_args) {
                 _cleanup_free_ char *t;
 
                 t = strv_join((char**) extra_args, " ");
@@ -925,14 +1353,14 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const*
                         log_error("Operation on or unit type of %s not supported on this system.", strna(d->name));
                 else if (streq(d->result, "collected"))
                         log_error("Queued job for %s was garbage collected.", strna(d->name));
-                else if (!streq(d->result, "done") && !streq(d->result, "skipped")) {
+                else if (!STR_IN_SET(d->result, "done", "skipped")) {
                         if (d->name) {
-                                int q;
                                 _cleanup_free_ char *result = NULL;
+                                int q;
 
                                 q = bus_job_get_service_result(d, &result);
                                 if (q < 0)
-                                        log_debug_errno(q, "Failed to get Result property of service %s: %m", d->name);
+                                        log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name);
 
                                 log_job_error_with_service_result(d->name, result, extra_args);
                         } else
@@ -952,7 +1380,7 @@ static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const*
                 r = -EPROTO;
         else if (streq(d->result, "unsupported"))
                 r = -EOPNOTSUPP;
-        else if (!streq(d->result, "done") && !streq(d->result, "skipped"))
+        else if (!STR_IN_SET(d->result, "done", "skipped"))
                 r = -EIO;
 
         return r;