X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fload-fragment.c;h=65a2a39248ba3e0fa979b569e07fa41522402e00;hb=e62d8c394474;hp=f82ddd530c0e6fe1ba0e5223dd11d74bb6ee91c5;hpb=74051b9b5865586bf4d30b9075649af838fb92bd;p=elogind.git

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index f82ddd530..65a2a3924 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -48,6 +48,7 @@
 #include "utf8.h"
 #include "path-util.h"
 #include "syscall-list.h"
+#include "env-util.h"
 
 #ifndef HAVE_SYSV_COMPAT
 int config_parse_warn_compat(
@@ -126,9 +127,10 @@ int config_parse_unit_string_printf(
 
         k = unit_full_printf(u, rvalue);
         if (!k)
-                return log_oom();
+                log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                          filename, line, rvalue);
 
-        return config_parse_string(filename, line, section, lvalue, ltype, k, data, userdata);
+        return config_parse_string(filename, line, section, lvalue, ltype, k ? k : rvalue, data, userdata);
 }
 
 int config_parse_unit_strv_printf(
@@ -151,9 +153,10 @@ int config_parse_unit_strv_printf(
 
         k = unit_full_printf(u, rvalue);
         if (!k)
-                return log_oom();
+                log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                          filename, line, rvalue);
 
-        return config_parse_strv(filename, line, section, lvalue, ltype, k, data, userdata);
+        return config_parse_strv(filename, line, section, lvalue, ltype, k ? k : rvalue, data, userdata);
 }
 
 int config_parse_unit_path_printf(
@@ -176,9 +179,10 @@ int config_parse_unit_path_printf(
 
         k = unit_full_printf(u, rvalue);
         if (!k)
-                return log_oom();
+                log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                          filename, line, rvalue);
 
-        return config_parse_path(filename, line, section, lvalue, ltype, k, data, userdata);
+        return config_parse_path(filename, line, section, lvalue, ltype, k ? k : rvalue, data, userdata);
 }
 
 int config_parse_socket_listen(
@@ -216,8 +220,13 @@ int config_parse_socket_listen(
                 p->type = ltype;
                 p->path = unit_full_printf(UNIT(s), rvalue);
                 if (!p->path) {
-                        free(p);
-                        return log_oom();
+                        p->path = strdup(rvalue);
+                        if (!p->path) {
+                                free(p);
+                                return log_oom();
+                        } else
+                                log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                                          filename, line, rvalue);
                 }
 
                 path_kill_slashes(p->path);
@@ -228,12 +237,11 @@ int config_parse_socket_listen(
 
                 p->type = SOCKET_SOCKET;
                 k = unit_full_printf(UNIT(s), rvalue);
-                if (!k) {
-                        free(p);
-                        return log_oom();
-                }
+                if (!k)
+                        log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                                  filename, line, rvalue);
 
-                r = socket_address_parse_netlink(&p->address, k);
+                r = socket_address_parse_netlink(&p->address, k ? k : rvalue);
                 if (r < 0) {
                         log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
                         free(p);
@@ -246,12 +254,11 @@ int config_parse_socket_listen(
 
                 p->type = SOCKET_SOCKET;
                 k = unit_full_printf(UNIT(s), rvalue);
-                if (!k) {
-                        free(p);
-                        return log_oom();
-                }
+                if (!k)
+                        log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                                  filename, line, rvalue);
 
-                r = socket_address_parse(&p->address, k);
+                r = socket_address_parse(&p->address, k ? k : rvalue);
                 if (r < 0) {
                         log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue);
                         free(p);
@@ -458,7 +465,7 @@ int config_parse_exec(
 
                 k = 0;
                 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
-                        if (strncmp(w, ";", MAX(l, 1U)) == 0)
+                        if (strneq(w, ";", MAX(l, 1U)))
                                 break;
 
                         k++;
@@ -470,9 +477,9 @@ int config_parse_exec(
 
                 k = 0;
                 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
-                        if (strncmp(w, ";", MAX(l, 1U)) == 0)
+                        if (strneq(w, ";", MAX(l, 1U)))
                                 break;
-                        else if (strncmp(w, "\\;", MAX(l, 1U)) == 0)
+                        else if (strneq(w, "\\;", MAX(l, 1U)))
                                 w ++;
 
                         if (honour_argv0 && w == rvalue) {
@@ -839,17 +846,17 @@ int config_parse_exec_secure_bits(
 
         FOREACH_WORD_QUOTED(w, l, rvalue, state) {
                 if (first_word(w, "keep-caps"))
-                        c->secure_bits |= SECURE_KEEP_CAPS;
+                        c->secure_bits |= 1<<SECURE_KEEP_CAPS;
                 else if (first_word(w, "keep-caps-locked"))
-                        c->secure_bits |= SECURE_KEEP_CAPS_LOCKED;
+                        c->secure_bits |= 1<<SECURE_KEEP_CAPS_LOCKED;
                 else if (first_word(w, "no-setuid-fixup"))
-                        c->secure_bits |= SECURE_NO_SETUID_FIXUP;
+                        c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP;
                 else if (first_word(w, "no-setuid-fixup-locked"))
-                        c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED;
+                        c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP_LOCKED;
                 else if (first_word(w, "noroot"))
-                        c->secure_bits |= SECURE_NOROOT;
+                        c->secure_bits |= 1<<SECURE_NOROOT;
                 else if (first_word(w, "noroot-locked"))
-                        c->secure_bits |= SECURE_NOROOT_LOCKED;
+                        c->secure_bits |= 1<<SECURE_NOROOT_LOCKED;
                 else {
                         log_error("[%s:%u] Failed to parse secure bits, ignoring: %s",
                                   filename, line, rvalue);
@@ -882,12 +889,6 @@ int config_parse_bounding_set(
         assert(rvalue);
         assert(data);
 
-        if (isempty(rvalue)) {
-                /* An empty assignment resets */
-                *capability_bounding_set_drop = 0;
-                return 0;
-        }
-
         if (rvalue[0] == '~') {
                 invert = true;
                 rvalue++;
@@ -994,9 +995,10 @@ int config_parse_unit_cgroup(
 
                 k = unit_full_printf(u, t);
                 if (!k)
-                        return log_oom();
+                        log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                                  filename, line, t);
 
-                ku = cunescape(k);
+                ku = cunescape(k ? k : t);
                 if (!ku)
                         return log_oom();
 
@@ -1283,8 +1285,14 @@ int config_parse_path_spec(
         }
 
         k = unit_full_printf(UNIT(p), rvalue);
-        if (!k)
-                return log_oom();
+        if (!k) {
+                k = strdup(rvalue);
+                if (!k)
+                        return log_oom();
+                else
+                        log_error("[%s:%u] Failed to resolve unit specifiers on %s. Ignoring.",
+                                  filename, line, rvalue);
+        }
 
         if (!path_is_absolute(k)) {
                 log_error("[%s:%u] Path is not absolute, ignoring: %s", filename, line, k);
@@ -1486,9 +1494,10 @@ int config_parse_unit_env_file(
                 void *data,
                 void *userdata) {
 
-        char ***env = data, **k;
+        char ***env = data;
         Unit *u = userdata;
-        char *s;
+        _cleanup_free_ char *s = NULL;
+        int r;
 
         assert(filename);
         assert(lvalue);
@@ -1497,7 +1506,6 @@ int config_parse_unit_env_file(
 
         if (isempty(rvalue)) {
                 /* Empty assignment frees the list */
-
                 strv_free(*env);
                 *env = NULL;
                 return 0;
@@ -1509,17 +1517,67 @@ int config_parse_unit_env_file(
 
         if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) {
                 log_error("[%s:%u] Path '%s' is not absolute, ignoring.", filename, line, s);
-                free(s);
                 return 0;
         }
 
-        k = strv_append(*env, s);
-        free(s);
+        r = strv_extend(env, s);
+        if (r < 0)
+                return log_oom();
+
+        return 0;
+}
+
+int config_parse_environ(
+                const char *filename,
+                unsigned line,
+                const char *section,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        Unit *u = userdata;
+        char*** env = data, *w, *state;
+        size_t l;
+        _cleanup_free_ char *k = NULL;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(u);
+
+        if (isempty(rvalue)) {
+                /* Empty assignment resets the list */
+                strv_free(*env);
+                *env = NULL;
+                return 0;
+        }
+
+        k = unit_full_printf(u, rvalue);
         if (!k)
                 return log_oom();
 
-        strv_free(*env);
-        *env = k;
+        FOREACH_WORD_QUOTED(w, l, k, state) {
+                _cleanup_free_ char *n;
+                char **x;
+
+                n = cunescape_length(w, l);
+                if (!n)
+                        return log_oom();
+
+                if (!env_assignment_is_valid(n)) {
+                        log_error("[%s:%u] Invalid environment assignment, ignoring: %s", filename, line, rvalue);
+                        continue;
+                }
+
+                x = strv_env_set(*env, n);
+                if (!x)
+                        return log_oom();
+
+                strv_free(*env);
+                *env = x;
+        }
 
         return 0;
 }
@@ -1718,7 +1776,9 @@ int config_parse_unit_cgroup_attr(
                 void *userdata) {
 
         Unit *u = data;
-        _cleanup_strv_free_ char **l = NULL;
+        size_t a, b;
+        _cleanup_free_ char *n = NULL, *v = NULL;
+        const CGroupSemantics *s;
         int r;
 
         assert(filename);
@@ -1733,160 +1793,24 @@ int config_parse_unit_cgroup_attr(
                 return 0;
         }
 
-        l = strv_split_quoted(rvalue);
-        if (!l)
-                return log_oom();
-
-        if (strv_length(l) != 2) {
+        a = strcspn(rvalue, WHITESPACE);
+        b = strspn(rvalue + a, WHITESPACE);
+        if (a <= 0 || b <= 0) {
                 log_error("[%s:%u] Failed to parse cgroup attribute value, ignoring: %s", filename, line, rvalue);
                 return 0;
         }
 
-        r = unit_add_cgroup_attribute(u, NULL, l[0], l[1], NULL, NULL);
-        if (r < 0) {
-                log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        return 0;
-}
-
-int config_parse_unit_cpu_shares(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
-        Unit *u = data;
-        int r;
-        unsigned long ul;
-        _cleanup_free_ char *t = NULL;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(data);
-
-        if (safe_atolu(rvalue, &ul) < 0 || ul < 1) {
-                log_error("[%s:%u] Failed to parse CPU shares value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (asprintf(&t, "%lu", ul) < 0)
-                return log_oom();
-
-        r = unit_add_cgroup_attribute(u, "cpu", "cpu.shares", t, NULL, NULL);
-        if (r < 0) {
-                log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        return 0;
-}
-
-int config_parse_unit_memory_limit(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
-        Unit *u = data;
-        int r;
-        off_t sz;
-        _cleanup_free_ char *t = NULL;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(data);
-
-        if (parse_bytes(rvalue, &sz) < 0 || sz <= 0) {
-                log_error("[%s:%u] Failed to parse memory limit value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (asprintf(&t, "%llu", (unsigned long long) sz) < 0)
+        n = strndup(rvalue, a);
+        if (!n)
                 return log_oom();
 
-        r = unit_add_cgroup_attribute(u,
-                                      "memory",
-                                      streq(lvalue, "MemorySoftLimit") ? "memory.soft_limit_in_bytes" : "memory.limit_in_bytes",
-                                      t, NULL, NULL);
+        r = cgroup_semantics_find(NULL, n, rvalue + a + b, &v, &s);
         if (r < 0) {
-                log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        return 0;
-}
-
-static int device_map(const char *controller, const char *name, const char *value, char **ret) {
-        _cleanup_strv_free_ char **l = NULL;
-
-        assert(controller);
-        assert(name);
-        assert(value);
-        assert(ret);
-
-        l = strv_split_quoted(value);
-        if (!l)
-                return -ENOMEM;
-
-        assert(strv_length(l) >= 1);
-
-        if (streq(l[0], "*")) {
-
-                if (asprintf(ret, "a *:*%s%s",
-                             isempty(l[1]) ? "" : " ", strempty(l[1])) < 0)
-                        return -ENOMEM;
-        } else {
-                struct stat st;
-
-                if (stat(l[0], &st) < 0) {
-                        log_warning("Couldn't stat device %s", l[0]);
-                        return -errno;
-                }
-
-                if (!S_ISCHR(st.st_mode) && !S_ISBLK(st.st_mode)) {
-                        log_warning("%s is not a device.", l[0]);
-                        return -ENODEV;
-                }
-
-                if (asprintf(ret, "%c %u:%u%s%s",
-                             S_ISCHR(st.st_mode) ? 'c' : 'b',
-                             major(st.st_rdev), minor(st.st_rdev),
-                             isempty(l[1]) ? "" : " ", strempty(l[1])) < 0)
-                        return -ENOMEM;
-        }
-
-        return 0;
-}
-
-int config_parse_unit_device_allow(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
-        Unit *u = data;
-        _cleanup_strv_free_ char **l = NULL;
-        int r;
-        unsigned k;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(data);
-
-        l = strv_split_quoted(rvalue);
-        if (!l)
-                return log_oom();
-
-        k = strv_length(l);
-        if (k < 1 || k > 2) {
-                log_error("[%s:%u] Failed to parse device value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (!streq(l[0], "*") && !path_startswith(l[0], "/dev")) {
-                log_error("[%s:%u] Device node path not absolute, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (!isempty(l[1]) && !in_charset(l[1], "rwm")) {
-                log_error("[%s:%u] Device access string invalid, ignoring: %s", filename, line, rvalue);
+                log_error("[%s:%u] Failed to parse cgroup attribute value, ignoring: %s", filename, line, rvalue);
                 return 0;
         }
 
-        r = unit_add_cgroup_attribute(u, "devices",
-                                      streq(lvalue, "DeviceAllow") ? "devices.allow" : "devices.deny",
-                                      rvalue, device_map, NULL);
-
+        r = unit_add_cgroup_attribute(u, s, NULL, n, v ? v : rvalue + a + b, NULL);
         if (r < 0) {
                 log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
                 return 0;
@@ -1895,148 +1819,36 @@ int config_parse_unit_device_allow(const char *filename, unsigned line, const ch
         return 0;
 }
 
-static int blkio_map(const char *controller, const char *name, const char *value, char **ret) {
-        struct stat st;
-        _cleanup_strv_free_ char **l = NULL;
-        dev_t d;
-
-        assert(controller);
-        assert(name);
-        assert(value);
-        assert(ret);
-
-        l = strv_split_quoted(value);
-        if (!l)
-                return log_oom();
-
-        assert(strv_length(l) == 2);
-
-        if (stat(l[0], &st) < 0) {
-                log_warning("Couldn't stat device %s", l[0]);
-                return -errno;
-        }
-
-        if (S_ISBLK(st.st_mode))
-                d = st.st_rdev;
-        else if (major(st.st_dev) != 0) {
-                /* If this is not a device node then find the block
-                 * device this file is stored on */
-                d = st.st_dev;
-
-                /* If this is a partition, try to get the originating
-                 * block device */
-                block_get_whole_disk(d, &d);
-        } else {
-                log_warning("%s is not a block device and file system block device cannot be determined or is not local.", l[0]);
-                return -ENODEV;
-        }
-
-        if (asprintf(ret, "%u:%u %s", major(d), minor(d), l[1]) < 0)
-                return -ENOMEM;
-
-        return 0;
-}
+int config_parse_unit_cgroup_attr_pretty(
+                const char *filename,
+                unsigned line,
+                const char *section,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
 
-int config_parse_unit_blkio_weight(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
         Unit *u = data;
+        _cleanup_free_ char *v = NULL;
+        const CGroupSemantics *s;
         int r;
-        unsigned long ul;
-        const char *device = NULL, *weight;
-        unsigned k;
-        _cleanup_free_ char *t = NULL;
-        _cleanup_strv_free_ char **l = NULL;
 
         assert(filename);
         assert(lvalue);
         assert(rvalue);
         assert(data);
 
-        l = strv_split_quoted(rvalue);
-        if (!l)
-                return log_oom();
-
-        k = strv_length(l);
-        if (k < 1 || k > 2) {
-                log_error("[%s:%u] Failed to parse weight value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (k == 1)
-                weight = l[0];
-        else {
-                device = l[0];
-                weight = l[1];
-        }
-
-        if (device && !path_is_absolute(device)) {
-                log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (safe_atolu(weight, &ul) < 0 || ul < 10 || ul > 1000) {
-                log_error("[%s:%u] Failed to parse block IO weight value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (device)
-                r = asprintf(&t, "%s %lu", device, ul);
-        else
-                r = asprintf(&t, "%lu", ul);
-        if (r < 0)
-                return log_oom();
-
-        if (device)
-                r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight_device", t, blkio_map, NULL);
-        else
-                r = unit_add_cgroup_attribute(u, "blkio", "blkio.weight", t, NULL, NULL);
+        r = cgroup_semantics_find(NULL, lvalue, rvalue, &v, &s);
         if (r < 0) {
-                log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        return 0;
-}
-
-int config_parse_unit_blkio_bandwidth(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata) {
-        Unit *u = data;
-        int r;
-        off_t bytes;
-        unsigned k;
-        _cleanup_free_ char *t = NULL;
-        _cleanup_strv_free_ char **l = NULL;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(data);
-
-        l = strv_split_quoted(rvalue);
-        if (!l)
-                return log_oom();
-
-        k = strv_length(l);
-        if (k != 2) {
-                log_error("[%s:%u] Failed to parse bandwidth value, ignoring: %s", filename, line, rvalue);
-                return 0;
-        }
-
-        if (!path_is_absolute(l[0])) {
-                log_error("[%s:%u] Failed to parse block device node value, ignoring: %s", filename, line, rvalue);
+                log_error("[%s:%u] Failed to parse cgroup attribute value, ignoring: %s", filename, line, rvalue);
                 return 0;
-        }
-
-        if (parse_bytes(l[1], &bytes) < 0 || bytes <= 0) {
-                log_error("[%s:%u] Failed to parse block IO bandwidth value, ignoring: %s", filename, line, rvalue);
+        } else if (r == 0) {
+                log_error("[%s:%u] Unknown or unsupported cgroup attribute %s, ignoring: %s", filename, line, lvalue, rvalue);
                 return 0;
         }
 
-        r = asprintf(&t, "%s %llu", l[0], (unsigned long long) bytes);
-        if (r < 0)
-                return log_oom();
-
-        r = unit_add_cgroup_attribute(u, "blkio",
-                                      streq(lvalue, "BlockIOReadBandwidth") ? "blkio.read_bps_device" : "blkio.write_bps_device",
-                                      t, blkio_map, NULL);
+        r = unit_add_cgroup_attribute(u, s, NULL, NULL, v, NULL);
         if (r < 0) {
                 log_error("[%s:%u] Failed to add cgroup attribute value, ignoring: %s", filename, line, rvalue);
                 return 0;
@@ -2120,10 +1932,12 @@ int config_parse_documentation(
 }
 
 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));
 }
 
@@ -2617,7 +2431,7 @@ void unit_dump_config_items(FILE *f) {
                 prefix_len = dot-i;
 
                 if (dot)
-                        if (!prev || strncmp(prev, i, prefix_len+1) != 0) {
+                        if (!prev || !strneq(prev, i, prefix_len+1)) {
                                 if (prev)
                                         fputc('\n', f);