first attempt in implementinging execution logic

1 files changed, 59 insertions, 0 deletions

diff --git a/execute.h b/execute.h
new file mode 100644
index 0000000000..fb952d1e6a
--- /dev/null
+++ b/execute.h
@@ -0,0 +1,59 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#ifndef fooexecutehfoo
+#define fooexecutehfoo
+
+typedef struct ExecStatus ExecStatus;
+typedef struct ExecCommand ExecCommand;
+typedef struct ExecContext ExecContext;
+
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/capability.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "list.h"
+
+struct ExecStatus {
+        pid_t pid;
+        time_t timestamp;
+        int status; /* as in wait() */
+};
+
+struct ExecCommand {
+        char *path;
+        char **argv;
+        ExecStatus last_exec_status;
+        LIST_FIELDS(ExecCommand);
+};
+
+struct ExecContext {
+        char **environment;
+        mode_t umask;
+        struct rlimit *rlimit[RLIMIT_NLIMITS];
+        cap_t capabilities;
+        bool capabilities_set:1;
+        bool dumpable:1;
+        int oom_adjust;
+        int nice;
+        char *chdir;
+
+        /* since resolving these names might might involve socket
+         * connections and we don't want to deadlock ourselves these
+         * names are resolved on execution only. */
+        char *user;
+        char *group;
+        char **supplementary_groups;
+};
+
+int exec_spawn(const ExecCommand *command, const ExecContext *context, pid_t *ret);
+
+void exec_context_free(ExecContext *c);
+void exec_command_free_list(ExecCommand *c);
+
+void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
+
+void exec_context_defaults(ExecContext *c);
+
+#endif