X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fcondition.c;h=24684580a8326c420f742ffe48469eaa1360285f;hp=35de996f8880e9d9225e47afe6dfef5203175d99;hb=4e595329a93ed190795c2e24bf132d5028ec6a72;hpb=afc50ea84e40d6a3f27ad5bfb5161e2d9b431275 diff --git a/src/core/condition.c b/src/core/condition.c index 35de996f8..24684580a 100644 --- a/src/core/condition.c +++ b/src/core/condition.c @@ -39,126 +39,6 @@ #include "ima-util.h" #include "selinux-util.h" -Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) { - Condition *c; - - assert(type < _CONDITION_TYPE_MAX); - - c = new0(Condition, 1); - if (!c) - return NULL; - - c->type = type; - c->trigger = trigger; - c->negate = negate; - - if (parameter) { - c->parameter = strdup(parameter); - if (!c->parameter) { - free(c); - return NULL; - } - } - - return c; -} - -void condition_free(Condition *c) { - assert(c); - - free(c->parameter); - free(c); -} - -void condition_free_list(Condition *first) { - Condition *c, *n; - - LIST_FOREACH_SAFE(conditions, c, n, first) - condition_free(c); -} - -static bool condition_test_kernel_command_line(Condition *c) { - char *line, *w, *state, *word = NULL; - bool equal; - int r; - size_t l, pl; - bool found = false; - - assert(c); - assert(c->parameter); - assert(c->type == CONDITION_KERNEL_COMMAND_LINE); - - r = proc_cmdline(&line); - if (r < 0) - log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); - if (r <= 0) - return c->negate; - - equal = !!strchr(c->parameter, '='); - pl = strlen(c->parameter); - - FOREACH_WORD_QUOTED(w, l, line, state) { - - free(word); - word = strndup(w, l); - if (!word) - break; - - if (equal) { - if (streq(word, c->parameter)) { - found = true; - break; - } - } else { - if (startswith(word, c->parameter) && (word[pl] == '=' || word[pl] == 0)) { - found = true; - break; - } - } - - } - - free(word); - free(line); - - return found == !c->negate; -} - -static bool condition_test_virtualization(Condition *c) { - int b; - Virtualization v; - const char *id; - - assert(c); - assert(c->parameter); - assert(c->type == CONDITION_VIRTUALIZATION); - - v = detect_virtualization(&id); - if (v < 0) { - log_warning("Failed to detect virtualization, ignoring: %s", strerror(-v)); - return c->negate; - } - - /* First, compare with yes/no */ - b = parse_boolean(c->parameter); - - if (v > 0 && b > 0) - return !c->negate; - - if (v == 0 && b == 0) - return !c->negate; - - /* Then, compare categorization */ - if (v == VIRTUALIZATION_VM && streq(c->parameter, "vm")) - return !c->negate; - - if (v == VIRTUALIZATION_CONTAINER && streq(c->parameter, "container")) - return !c->negate; - - /* Finally compare id */ - return (v > 0 && streq(c->parameter, id)) == !c->negate; -} - static bool condition_test_security(Condition *c) { assert(c); assert(c->parameter); @@ -179,7 +59,7 @@ static bool condition_test_capability(Condition *c) { cap_value_t value; FILE *f; char line[LINE_MAX]; - unsigned long long capabilities = (unsigned long long) -1; + unsigned long long capabilities = -1; assert(c); assert(c->parameter); @@ -211,49 +91,6 @@ static bool condition_test_capability(Condition *c) { return !!(capabilities & (1ULL << value)) == !c->negate; } -static bool condition_test_host(Condition *c) { - sd_id128_t x, y; - char *h; - int r; - bool b; - - assert(c); - assert(c->parameter); - assert(c->type == CONDITION_HOST); - - if (sd_id128_from_string(c->parameter, &x) >= 0) { - - r = sd_id128_get_machine(&y); - if (r < 0) - return c->negate; - - return sd_id128_equal(x, y); - } - - h = gethostname_malloc(); - if (!h) - return c->negate; - - b = fnmatch(c->parameter, h, FNM_CASEFOLD) == 0; - free(h); - - return b == !c->negate; -} - -static bool condition_test_ac_power(Condition *c) { - int r; - - assert(c); - assert(c->parameter); - assert(c->type == CONDITION_AC_POWER); - - r = parse_boolean(c->parameter); - if (r < 0) - return !c->negate; - - return ((on_ac_power() != 0) == !!r) == !c->negate; -} - static bool condition_test(Condition *c) { assert(c); @@ -330,6 +167,9 @@ static bool condition_test(Condition *c) { case CONDITION_AC_POWER: return condition_test_ac_power(c); + case CONDITION_ARCHITECTURE: + return condition_test_architecture(c); + case CONDITION_NULL: return !c->negate; @@ -373,48 +213,3 @@ bool condition_test_list(const char *unit, Condition *first) { return triggered != 0; } - -void condition_dump(Condition *c, FILE *f, const char *prefix) { - assert(c); - assert(f); - - if (!prefix) - prefix = ""; - - fprintf(f, - "%s\t%s: %s%s%s %s\n", - prefix, - condition_type_to_string(c->type), - c->trigger ? "|" : "", - c->negate ? "!" : "", - c->parameter, - c->state < 0 ? "failed" : c->state > 0 ? "succeeded" : "untested"); -} - -void condition_dump_list(Condition *first, FILE *f, const char *prefix) { - Condition *c; - - LIST_FOREACH(conditions, c, first) - condition_dump(c, f, prefix); -} - -static const char* const condition_type_table[_CONDITION_TYPE_MAX] = { - [CONDITION_PATH_EXISTS] = "ConditionPathExists", - [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob", - [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory", - [CONDITION_PATH_IS_SYMBOLIC_LINK] = "ConditionPathIsSymbolicLink", - [CONDITION_PATH_IS_MOUNT_POINT] = "ConditionPathIsMountPoint", - [CONDITION_PATH_IS_READ_WRITE] = "ConditionPathIsReadWrite", - [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty", - [CONDITION_FILE_NOT_EMPTY] = "ConditionFileNotEmpty", - [CONDITION_FILE_IS_EXECUTABLE] = "ConditionFileIsExecutable", - [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine", - [CONDITION_VIRTUALIZATION] = "ConditionVirtualization", - [CONDITION_SECURITY] = "ConditionSecurity", - [CONDITION_CAPABILITY] = "ConditionCapability", - [CONDITION_HOST] = "ConditionHost", - [CONDITION_AC_POWER] = "ConditionACPower", - [CONDITION_NULL] = "ConditionNull" -}; - -DEFINE_STRING_TABLE_LOOKUP(condition_type, ConditionType);