diff options
| -rw-r--r-- | libbb/run_shell.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/libbb/run_shell.c b/libbb/run_shell.c index 86cb0b0..6be0908 100644 --- a/libbb/run_shell.c +++ b/libbb/run_shell.c @@ -41,27 +41,21 @@ #endif #ifdef CONFIG_SELINUX -static security_context_t current_sid=NULL; +static security_context_t current_sid; void renew_current_security_context(void) { - if (current_sid) - freecon(current_sid); /* Release old context */ - - getcon(¤t_sid); /* update */ - - return; + if (current_sid) + freecon(current_sid); /* Release old context */ + getcon(¤t_sid); /* update */ } void set_current_security_context(security_context_t sid) { - if (current_sid) - freecon(current_sid); /* Release old context */ - - current_sid=sid; - - return; + if (current_sid) + freecon(current_sid); /* Release old context */ + current_sid = sid; } #endif @@ -71,37 +65,37 @@ set_current_security_context(security_context_t sid) If ADDITIONAL_ARGS is nonzero, pass it to the shell as more arguments. */ -void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args) +void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) { const char **args; int argno = 1; int additional_args_cnt = 0; - for ( args = additional_args; args && *args; args++ ) + for (args = additional_args; args && *args; args++) additional_args_cnt++; - args = (const char **) xmalloc (sizeof (char *) * ( 4 + additional_args_cnt )); + args = xmalloc(sizeof(char*) * (4 + additional_args_cnt)); - args [0] = bb_get_last_path_component ( xstrdup ( shell )); + args[0] = bb_get_last_path_component(xstrdup(shell)); - if ( loginshell ) - args [0] = xasprintf ("-%s", args [0]); + if (loginshell) + args[0] = xasprintf("-%s", args[0]); - if ( command ) { - args [argno++] = "-c"; - args [argno++] = command; + if (command) { + args[argno++] = "-c"; + args[argno++] = command; } - if ( additional_args ) { - for ( ; *additional_args; ++additional_args ) - args [argno++] = *additional_args; + if (additional_args) { + for (; *additional_args; ++additional_args) + args[argno++] = *additional_args; } - args [argno] = 0; + args[argno] = NULL; #ifdef CONFIG_SELINUX - if ( (current_sid) && (!setexeccon(current_sid)) ) { - freecon(current_sid); - execve(shell, (char **) args, environ); + if (current_sid && !setexeccon(current_sid)) { + freecon(current_sid); + execve(shell, (char **) args, environ); } else #endif - execv ( shell, (char **) args ); - bb_perror_msg_and_die ( "cannot run %s", shell ); + execv(shell, (char **) args); + bb_perror_msg_and_die("cannot run %s", shell); } |