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#ifndef SH_EXTERN_H
#define SH_EXTERN_H
#include <stdarg.h>
typedef struct
{
char * command;
int argc;
char * argv[32];
int envc;
char * envv[32];
char checksum[KEY_LEN + 1];
#if 0
uid_t trusted_users[32];
#endif
uid_t run_user_uid;
gid_t run_user_gid;
int privileged;
int pipeFD;
SL_TICKET pipeTI;
pid_t pid;
FILE * pipe;
char rw;
int exit_status;
int fork_twice;
int com_fd;
SL_TICKET com_ti;
} sh_tas_t;
/*
* -- generic safe popen; returns 0 on success, -1 otherwise
*/
int sh_ext_popen (sh_tas_t * task);
/*
* -- generic simple safe popen; returns 0 on success, -1 otherwise,
* executes shell command
*/
int sh_ext_popen_init (sh_tas_t * task, const char * command, char * argv0, ...) SH_GNUC_SENTINEL;
/*
* -- Execute command, return first line of output
*/
int sh_ext_system (char * command, char * argv0, ...) SH_GNUC_SENTINEL;
/*
* -- Execute command, return first line of output
*/
char * sh_ext_popen_str (const char * command);
/*
* -- close the pipe, clear and return task->exit_status
*/
int sh_ext_pclose (sh_tas_t * task);
/*
* -- add CL argument, return # of arguments
*/
int sh_ext_tas_add_argv(sh_tas_t * tas, const char * val);
/*
* -- remove last CL argument
*/
int sh_ext_tas_rm_argv(sh_tas_t * tas);
/*
* -- add environment variable, return # of variables
*/
int sh_ext_tas_add_envv(sh_tas_t * tas, const char * key, const char * val);
/*
* -- set command
*/
void sh_ext_tas_command(sh_tas_t * tas, const char * command);
/*
* -- initialize task structure
*/
void sh_ext_tas_init (sh_tas_t * tas);
/*
* -- free task structure
*/
void sh_ext_tas_free(sh_tas_t * tas);
#if defined(WITH_EXTERNAL)
/*
* -- start a new external command, and add it to the list
*/
int sh_ext_setcommand(const char * cmd);
/*
* -- explicitely close a command
*/
int sh_ext_close_command (const char * str);
/*
* -- clean up the command list
*/
int sh_ext_cleanup(void);
/*
* -- set deadtime
*/
int sh_ext_deadtime (const char * str);
/*
* -- add keywords to the OR filter
*/
int sh_ext_add_or (const char * str);
/*
* -- add keywords to the AND filter
*/
int sh_ext_add_and (const char * str);
/*
* -- add keywords to the NOT filter
*/
int sh_ext_add_not (const char * str);
/*
* -- add keywords to the CL argument list
*/
int sh_ext_add_argv (const char * str);
/*
* -- add a path to the environment
*/
int sh_ext_add_default (const char * str);
/*
* -- add an environment variable
*/
int sh_ext_add_environ (const char * str);
/*
* -- define type
*/
int sh_ext_type (const char * str);
/*
* -- define checksum
*/
int sh_ext_checksum (const char * str);
/*
* -- choose privileges
*/
int sh_ext_priv (const char * c);
/*
* -- execute external script/program
*/
int sh_ext_execute (char t1, char t2, char t3, /*@null@*/char * message,
size_t msg_siz);
#endif
#endif
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