diff options
Diffstat (limited to 'libbb/run_shell.c')
| -rw-r--r-- | libbb/run_shell.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/libbb/run_shell.c b/libbb/run_shell.c index 4d92c3caa..b6b9360e8 100644 --- a/libbb/run_shell.c +++ b/libbb/run_shell.c @@ -50,19 +50,17 @@ void FAST_FUNC set_current_security_context(security_context_t sid) #endif /* Run SHELL, or DEFAULT_SHELL if SHELL is "" or NULL. - * If COMMAND is nonzero, pass it to the shell with the -c option. - * If ADDITIONAL_ARGS is nonzero, pass it to the shell as more - * arguments. */ -void FAST_FUNC run_shell(const char *shell, int loginshell, const char *command, const char **additional_args) + * If ADDITIONAL_ARGS is not NULL, pass them to the shell. + */ +void FAST_FUNC run_shell(const char *shell, int loginshell, const char **additional_args) { const char **args; - int argno; - int additional_args_cnt = 0; - for (args = additional_args; args && *args; args++) - additional_args_cnt++; + args = additional_args; + while (args && *args) + args++; - args = xmalloc(sizeof(char*) * (4 + additional_args_cnt)); + args = xmalloc(sizeof(char*) * (2 + (args - additional_args))); if (!shell || !shell[0]) shell = DEFAULT_SHELL; @@ -70,16 +68,13 @@ void FAST_FUNC run_shell(const char *shell, int loginshell, const char *command, args[0] = bb_get_last_path_component_nostrip(shell); if (loginshell) args[0] = xasprintf("-%s", args[0]); - argno = 1; - if (command) { - args[argno++] = "-c"; - args[argno++] = command; - } + args[1] = NULL; if (additional_args) { - for (; *additional_args; ++additional_args) - args[argno++] = *additional_args; + int cnt = 1; + for (;;) + if ((args[cnt++] = *additional_args++) == NULL) + break; } - args[argno] = NULL; #if ENABLE_SELINUX if (current_sid) |