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Validate value of rpc-user THISNAME { }

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This commit is contained in:
Bram Matthys
2023-03-31 11:54:12 +02:00
parent 8c6c9b6206
commit 1ca0b76bb5
1 changed files with 28 additions and 0 deletions
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src/modules/rpc/rpc.c
+28
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@@ -16,6 +16,11 @@ ModuleHeader MOD_HEADER
"unrealircd-6",
};
/** Maximum length of an rpc-user THIS { }.
* As we use the "RPC:" prefix it is nicklen minus that.
*/
#define RPCUSERLEN (NICKLEN-4)
/* Structs */
typedef struct RPCUser RPCUser;
struct RPCUser {
@@ -258,6 +263,21 @@ int rpc_config_run_ex_listen(ConfigFile *cf, ConfigEntry *ce, int type, void *pt
return 1;
}
/** Valid name for rpc-user THISNAME { } ? */
static int valid_rpc_user_name(const char *str)
{
const char *p;
if (strlen(str) > RPCUSERLEN)
return 0;
for (p = str; *p; p++)
if (!isalnum(*p) && !strchr("_-", *p))
return 0;
return 1;
}
int rpc_config_test_rpc_user(ConfigFile *cf, ConfigEntry *ce, int type, int *errs)
{
int errors = 0;
@@ -275,6 +295,14 @@ int rpc_config_test_rpc_user(ConfigFile *cf, ConfigEntry *ce, int type, int *err
errors++;
}
if (!valid_rpc_user_name(ce->value))
{
config_error("%s:%d: rpc-user block has invalid name '%s'. "
"Can be max %d long and may only contain a-z, A-Z, 0-9, - and _.",
ce->file->filename, ce->line_number,
ce->value, RPCUSERLEN);
errors++;
}
for (cep = ce->items; cep; cep = cep->next)
{
if (!strcmp(cep->name, "match"))