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client: Fix parsing commands with no "entity" part

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The code would assume that a command with argc >= 3 would always be
composed of <family name> <entity> <command> and thus
"known-networks forget <ssid>" could not be executed.  Instead of
checking argc >= 3 check whether command->entity is non-NULL.
This commit is contained in:
Andrew Zaborowski 2018-07-31 16:37:13 +02:00 committed by Denis Kenzior
parent 18e672fa2f
commit 15ade259e6
1 changed files with 23 additions and 11 deletions
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34
client/command.c
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@ -367,20 +367,38 @@ error:
} }
} }
static bool match_cmd(const char *family, const char *entity, const char *cmd, static bool match_cmd(const char *family, const char *param,
char **argv, int argc, char **argv, int argc,
const struct command *command_list) const struct command *command_list)
{ {
size_t i; size_t i;
for (i = 0; command_list[i].cmd; i++) { for (i = 0; command_list[i].cmd; i++) {
const char *entity;
const char *cmd;
int offset;
if (command_list[i].entity) {
if (argc < 1)
continue;
entity = param;
cmd = argv[0];
offset = 1;
} else {
entity = NULL;
cmd = param;
offset = 0;
}
if (strcmp(command_list[i].cmd, cmd)) if (strcmp(command_list[i].cmd, cmd))
continue; continue;
if (!command_list[i].function) if (!command_list[i].function)
return false; return false;
execute_cmd(family, entity, &command_list[i], argv, argc); execute_cmd(family, entity, &command_list[i],
argv + offset, argc - offset);
return true; return true;
} }
@ -402,14 +420,8 @@ static bool match_cmd_family(char **argv, int argc)
if (strcmp(family->name, argv[0])) if (strcmp(family->name, argv[0]))
continue; continue;
if (argc >= 3) return match_cmd(family->name, argv[1], argv + 2, argc - 2,
return match_cmd(family->name, argv[1], argv[2], family->command_list);
argv + 3, argc - 3,
family->command_list);
else
return match_cmd(family->name, NULL, argv[1],
argv + 2, argc - 2,
family->command_list);
} }
return false; return false;
@ -451,7 +463,7 @@ void command_process_prompt(char **argv, int argc)
display_refresh_reset(); display_refresh_reset();
if (match_cmd(NULL, NULL, argv[0], argv + 1, argc - 1, command_list)) if (match_cmd(NULL, argv[0], argv + 1, argc - 1, command_list))
return; return;
if (strcmp(argv[0], "help")) { if (strcmp(argv[0], "help")) {