execute.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef fooexecutehfoo
   4 #define fooexecutehfoo
   5
   6 typedef struct ExecStatus ExecStatus;
   7 typedef struct ExecCommand ExecCommand;
   8 typedef struct ExecContext ExecContext;
   9
  10 #include <sys/time.h>
  11 #include <sys/resource.h>
  12 #include <sys/capability.h>
  13 #include <stdbool.h>
  14 #include <stdio.h>
  15
  16 #include "list.h"
  17
  18 struct ExecStatus {
  19         pid_t pid;
  20         time_t timestamp;
  21         int status; /* as in wait() */
  22 };
  23
  24 struct ExecCommand {
  25         char *path;
  26         char **argv;
  27         ExecStatus last_exec_status;
  28         LIST_FIELDS(ExecCommand);
  29 };
  30
  31 struct ExecContext {
  32         char **environment;
  33         mode_t umask;
  34         struct rlimit *rlimit[RLIMIT_NLIMITS];
  35         cap_t capabilities;
  36         bool capabilities_set:1;
  37         bool dumpable:1;
  38         int oom_adjust;
  39         int nice;
  40         char *chdir;
  41
  42         /* since resolving these names might might involve socket
  43          * connections and we don't want to deadlock ourselves these
  44          * names are resolved on execution only. */
  45         char *user;
  46         char *group;
  47         char **supplementary_groups;
  48 };
  49
  50 int exec_spawn(const ExecCommand *command, const ExecContext *context, pid_t *ret);
  51
  52 void exec_context_free(ExecContext *c);
  53 void exec_command_free_list(ExecCommand *c);
  54
  55 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
  56
  57 void exec_context_defaults(ExecContext *c);
  58
  59 #endif