chiark / gitweb /
util: introduce our own gperf based capability list
[elogind.git] / src / core / load-fragment.c
index 2f3acd7cbeb7e040d8eef072200ad76ffa61a990..259323bd5cd035a76d1b0fbf27af07f93e5c9f4f 100644 (file)
 #include "bus-error.h"
 #include "errno-list.h"
 #include "af-list.h"
+#include "cap-list.h"
 
 #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,
@@ -76,13 +76,25 @@ int config_parse_warn_compat(
                 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,
                            const char *filename,
@@ -288,7 +300,8 @@ int config_parse_socket_listen(const char *unit,
                                void *data,
                                void *userdata) {
 
-        SocketPort *p, *tail;
+        _cleanup_free_ SocketPort *p = NULL;
+        SocketPort *tail;
         Socket *s;
         int r;
 
@@ -315,10 +328,9 @@ int config_parse_socket_listen(const char *unit,
                 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
+                        else
                                 log_syntax(unit, LOG_ERR, filename, line, -r,
                                            "Failed to resolve unit specifiers on %s, ignoring: %s", rvalue, strerror(-r));
                 }
@@ -334,11 +346,10 @@ int config_parse_socket_listen(const char *unit,
                         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, -r,
                                    "Failed to parse address value, ignoring: %s", rvalue);
-                        free(p);
                         return 0;
                 }
 
@@ -355,7 +366,6 @@ int config_parse_socket_listen(const char *unit,
                 if (r < 0) {
                         log_syntax(unit, LOG_ERR, filename, line, -r,
                                    "Failed to parse address value, ignoring: %s", rvalue);
-                        free(p);
                         return 0;
                 }
 
@@ -371,7 +381,6 @@ 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;
                 }
         }
@@ -384,6 +393,7 @@ int config_parse_socket_listen(const char *unit,
                 LIST_INSERT_AFTER(port, s->ports, tail, p);
         } else
                 LIST_PREPEND(port, s->ports, p);
+        p = NULL;
 
         return 0;
 }
@@ -1031,17 +1041,15 @@ int config_parse_bounding_set(const char *unit,
 
         FOREACH_WORD_QUOTED(word, l, rvalue, state) {
                 _cleanup_free_ char *t = NULL;
-                int r;
-                cap_value_t cap;
+                int cap;
 
                 t = strndup(word, l);
                 if (!t)
                         return log_oom();
 
-                r = cap_from_name(t, &cap);
-                if (r < 0) {
-                        log_syntax(unit, LOG_ERR, filename, line, errno,
-                                   "Failed to parse capability in bounding set, ignoring: %s", t);
+                cap = capability_from_name(t);
+                if (cap < 0) {
+                        log_syntax(unit, LOG_ERR, filename, line, errno, "Failed to parse capability in bounding set, ignoring: %s", t);
                         continue;
                 }
 
@@ -1315,6 +1323,56 @@ int config_parse_exec_apparmor_profile(
         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,
@@ -1367,8 +1425,10 @@ int config_parse_timer(const char *unit,
         }
 
         v = new0(TimerValue, 1);
-        if (!v)
+        if (!v) {
+                calendar_spec_free(c);
                 return log_oom();
+        }
 
         v->base = b;
         v->value = u;
@@ -1955,22 +2015,23 @@ 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,
-                                     unsigned section_line,
-                                     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);
@@ -1980,8 +2041,8 @@ 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;
+                condition_free_list(*list);
+                *list = NULL;
                 return 0;
         }
 
@@ -1994,45 +2055,41 @@ int config_parse_unit_condition_path(const char *unit,
                 rvalue++;
 
         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);
-        if (!p) {
-                p = strdup(rvalue);
-                if (!p)
-                        return log_oom();
+        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(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,
-                                       unsigned section_line,
-                                       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);
@@ -2042,8 +2099,8 @@ 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;
+                condition_free_list(*list);
+                *list = NULL;
                 return 0;
         }
 
@@ -2056,36 +2113,32 @@ int config_parse_unit_condition_string(const char *unit,
                 rvalue++;
 
         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);
-        if (!s) {
-                s = strdup(rvalue);
-                if (!s)
-                        return log_oom();
+        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(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,
-                                     unsigned section_line,
-                                     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;
 
@@ -2096,8 +2149,8 @@ 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;
+                condition_free_list(*list);
+                *list = NULL;
                 return 0;
         }
 
@@ -2111,9 +2164,7 @@ int config_parse_unit_condition_null(const char *unit,
 
         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);
+                log_syntax(unit, LOG_ERR, filename, line, -b, "Failed to parse boolean value in condition, ignoring: %s", rvalue);
                 return 0;
         }
 
@@ -2124,7 +2175,7 @@ int config_parse_unit_condition_null(const char *unit,
         if (!c)
                 return log_oom();
 
-        LIST_PREPEND(conditions, u->conditions, c);
+        LIST_PREPEND(conditions, *list, c);
         return 0;
 }
 
@@ -2273,7 +2324,7 @@ int config_parse_syscall_filter(
         }
 
         if (!c->syscall_filter) {
-                c->syscall_filter = set_new(trivial_hash_func, trivial_compare_func);
+                c->syscall_filter = set_new(NULL);
                 if (!c->syscall_filter)
                         return log_oom();
 
@@ -2365,7 +2416,7 @@ int config_parse_syscall_archs(
                 return 0;
         }
 
-        r = set_ensure_allocated(archs, trivial_hash_func, trivial_compare_func);
+        r = set_ensure_allocated(archs, NULL);
         if (r < 0)
                 return log_oom();
 
@@ -2446,7 +2497,6 @@ int config_parse_address_families(
                 void *userdata) {
 
         ExecContext *c = data;
-        Unit *u = userdata;
         bool invert = false;
         const char *word, *state;
         size_t l;
@@ -2455,7 +2505,6 @@ int config_parse_address_families(
         assert(filename);
         assert(lvalue);
         assert(rvalue);
-        assert(u);
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
@@ -2471,7 +2520,7 @@ int config_parse_address_families(
         }
 
         if (!c->address_families) {
-                c->address_families = set_new(trivial_hash_func, trivial_compare_func);
+                c->address_families = set_new(NULL);
                 if (!c->address_families)
                         return log_oom();
 
@@ -3089,7 +3138,7 @@ int config_parse_set_status(
                         }
                 }
 
-                r = set_ensure_allocated(&status_set->status, NULL, NULL);
+                r = set_ensure_allocated(&status_set->status, NULL);
                 if (r < 0)
                         return log_oom();
 
@@ -3420,7 +3469,7 @@ static int load_from_path(Unit *u, const char *path) {
         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;