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*: s/"/bin/sh"/DEFAULT_SHELL, run_shell() API fix, remove unneeded strdup

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function                                             old     new   delta
run_shell                                            157     166      +9
su_main                                              477     470      -7
sulogin_main                                         515     503     -12

Signed-off-by: Ladislav Michl <Ladislav.Michl@seznam.cz>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Ladislav Michl
2010-06-27 03:23:31 +02:00
committed by Denys Vlasenko
parent 1b14cdb27c
commit a73b87e934
8 changed files with 58 additions and 54 deletions
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18
libbb/run_shell.c
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@@ -49,15 +49,14 @@ void FAST_FUNC set_current_security_context(security_context_t sid)
#endif
/* Run SHELL, or DEFAULT_SHELL if SHELL is empty.
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. */
/* 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)
{
const char **args;
int argno = 1;
int argno;
int additional_args_cnt = 0;
for (args = additional_args; args && *args; args++)
@@ -65,11 +64,13 @@ void FAST_FUNC run_shell(const char *shell, int loginshell, const char *command,
args = xmalloc(sizeof(char*) * (4 + additional_args_cnt));
args[0] = bb_get_last_path_component_nostrip(xstrdup(shell));
if (!shell || !shell[0])
shell = DEFAULT_SHELL;
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;
@@ -79,6 +80,7 @@ void FAST_FUNC run_shell(const char *shell, int loginshell, const char *command,
args[argno++] = *additional_args;
}
args[argno] = NULL;
#if ENABLE_SELINUX
if (current_sid)
setexeccon(current_sid);