static int
cmd_try_alias(int *argc, char ***argv)
{
struct options_entry *o;
int old_argc = *argc, new_argc;
char **old_argv = *argv, **new_argv;
u_int size, idx;
int i;
size_t wanted;
const char *s, *cp = NULL;
o = options_get_only(global_options, "command-alias");
if (o == NULL || options_array_size(o, &size) == -1 || size == 0)
return (-1);
wanted = strlen(old_argv[0]);
for (idx = 0; idx < size; idx++) {
s = options_array_get(o, idx);
if (s == NULL)
continue;
cp = strchr(s, '=');
if (cp == NULL || (size_t)(cp - s) != wanted)
continue;
if (strncmp(old_argv[0], s, wanted) == 0)
break;
}
if (idx == size)
return (-1);
if (cmd_string_split(cp + 1, &new_argc, &new_argv) != 0)
return (-1);
*argc = new_argc + old_argc - 1;
*argv = xcalloc((*argc) + 1, sizeof **argv);
for (i = 0; i < new_argc; i++)
(*argv)[i] = xstrdup(new_argv[i]);
for (i = 1; i < old_argc; i++)
(*argv)[new_argc + i - 1] = xstrdup(old_argv[i]);
log_debug("alias: %s=%s", old_argv[0], cp + 1);
for (i = 0; i < *argc; i++)
log_debug("alias: argv[%d] = %s", i, (*argv)[i]);
cmd_free_argv(new_argc, new_argv);
return (0);
}
static int
cmd_try_alias(int *argc, char ***argv)
{
struct options_entry *o;
struct options_array_item *a;
union options_value *ov;
int old_argc = *argc, new_argc, i;
char **old_argv = *argv, **new_argv;
size_t wanted;
const char *cp = NULL;
o = options_get_only(global_options, "command-alias");
if (o == NULL)
return (-1);
wanted = strlen(old_argv[0]);
a = options_array_first(o);
while (a != NULL) {
ov = options_array_item_value(a);
cp = strchr(ov->string, '=');
if (cp != NULL &&
(size_t)(cp - ov->string) == wanted &&
strncmp(old_argv[0], ov->string, wanted) == 0)
break;
a = options_array_next(a);
}
if (a == NULL)
return (-1);
if (cmd_string_split(cp + 1, &new_argc, &new_argv) != 0)
return (-1);
*argc = new_argc + old_argc - 1;
*argv = xcalloc((*argc) + 1, sizeof **argv);
for (i = 0; i < new_argc; i++)
(*argv)[i] = xstrdup(new_argv[i]);
for (i = 1; i < old_argc; i++)
(*argv)[new_argc + i - 1] = xstrdup(old_argv[i]);
log_debug("alias: %s=%s", old_argv[0], cp + 1);
for (i = 0; i < *argc; i++)
log_debug("alias: argv[%d] = %s", i, (*argv)[i]);
cmd_free_argv(new_argc, new_argv);
return (0);
}
struct cmd_list *
cmd_string_parse(const char *s, const char *file, u_int line, char **cause)
{
struct cmd_list *cmdlist = NULL;
int argc;
char **argv;
*cause = NULL;
if (cmd_string_split(s, &argc, &argv) != 0)
goto error;
if (argc != 0) {
cmdlist = cmd_list_parse(argc, argv, file, line, cause);
if (cmdlist == NULL) {
cmd_free_argv(argc, argv);
goto error;
}
}
cmd_free_argv(argc, argv);
return (cmdlist);
error:
xasprintf(cause, "invalid or unknown command: %s", s);
return (NULL);
}
