#include <string.h>
#include <unistd.h>
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+
#include "util.h"
#include "condition.h"
Condition* condition_new(ConditionType type, const char *parameter, bool trigger, bool negate) {
Condition *c;
- c = new0(Condition, 1);
+ assert(type < _CONDITION_TYPE_MAX);
+
+ if (!(c = new0(Condition, 1)))
+ return NULL;
+
c->type = type;
c->trigger = trigger;
c->negate = negate;
assert(parameter);
+ if (detect_virtualization(NULL) > 0)
+ return false;
+
if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return false;
return streq(parameter, id);
}
+static bool test_security(const char *parameter) {
+#ifdef HAVE_SELINUX
+ if (streq(parameter, "selinux"))
+ return is_selinux_enabled() > 0;
+#endif
+ return false;
+}
+
bool condition_test(Condition *c) {
assert(c);
case CONDITION_PATH_EXISTS:
return (access(c->parameter, F_OK) >= 0) == !c->negate;
+ case CONDITION_PATH_EXISTS_GLOB:
+ return (glob_exists(c->parameter) > 0) == !c->negate;
+
+ case CONDITION_PATH_IS_DIRECTORY: {
+ struct stat st;
+
+ if (lstat(c->parameter, &st) < 0)
+ return !c->negate;
+ return S_ISDIR(st.st_mode) == !c->negate;
+ }
+
case CONDITION_DIRECTORY_NOT_EMPTY: {
int k;
return !(k == -ENOENT || k > 0) == !c->negate;
}
+ case CONDITION_FILE_IS_EXECUTABLE: {
+ struct stat st;
+
+ if (lstat(c->parameter, &st) < 0)
+ return !c->negate;
+
+ return (S_ISREG(st.st_mode) && (st.st_mode & 0111)) == !c->negate;
+ }
+
case CONDITION_KERNEL_COMMAND_LINE:
return test_kernel_command_line(c->parameter) == !c->negate;
case CONDITION_VIRTUALIZATION:
return test_virtualization(c->parameter) == !c->negate;
+ case CONDITION_SECURITY:
+ return test_security(c->parameter) == !c->negate;
+
case CONDITION_NULL:
return !c->negate;
prefix = "";
fprintf(f,
- "%s%s: %s%s%s\n",
+ "%s\t%s: %s%s%s\n",
prefix,
condition_type_to_string(c->type),
c->trigger ? "|" : "",
}
static const char* const condition_type_table[_CONDITION_TYPE_MAX] = {
- [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
[CONDITION_PATH_EXISTS] = "ConditionPathExists",
+ [CONDITION_PATH_EXISTS_GLOB] = "ConditionPathExistsGlob",
+ [CONDITION_PATH_IS_DIRECTORY] = "ConditionPathIsDirectory",
+ [CONDITION_DIRECTORY_NOT_EMPTY] = "ConditionDirectoryNotEmpty",
+ [CONDITION_KERNEL_COMMAND_LINE] = "ConditionKernelCommandLine",
+ [CONDITION_VIRTUALIZATION] = "ConditionVirtualization",
+ [CONDITION_SECURITY] = "ConditionSecurity",
[CONDITION_NULL] = "ConditionNull"
};