X-Git-Url: http://git.archive.openwrt.org/?p=project%2Frpcd.git;a=blobdiff_plain;f=file.c;h=d22add56caceffbdcd1798bd2f4a664f394154ff;hp=0e8df4f116170950475621681036176ff6aa77fd;hb=ec21f653b936b54e4d788d77bfce18634255adb7;hpb=07c2f0a9b1c7f79e81fa8a51cca5ecbe9eaf7293 diff --git a/file.c b/file.c index 0e8df4f..d22add5 100644 --- a/file.c +++ b/file.c @@ -1,7 +1,7 @@ /* * rpcd - UBUS RPC server * - * Copyright (C) 2013 Jo-Philipp Wich + * Copyright (C) 2013-2014 Jo-Philipp Wich * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -16,8 +16,55 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include "file.h" -#include "plugin.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +/* limit of sys & proc files */ +#define RPC_FILE_MIN_SIZE (128) + +/* limit of regular files and command output data */ +#define RPC_FILE_MAX_SIZE (4096 * 64) +#define RPC_FILE_MAX_RUNTIME (3 * 1000) + +#define ustream_for_each_read_buffer(stream, ptr, len) \ + for (ptr = ustream_get_read_buf(stream, &len); \ + ptr != NULL && len > 0; \ + ustream_consume(stream, len), ptr = ustream_get_read_buf(stream, &len)) + +#define ustream_declare(us, fd, name) \ + us.stream.string_data = true; \ + us.stream.r.buffer_len = 4096; \ + us.stream.r.max_buffers = RPC_FILE_MAX_SIZE / 4096; \ + us.stream.notify_read = rpc_file_##name##_read_cb; \ + us.stream.notify_state = rpc_file_##name##_state_cb; \ + ustream_fd_init(&us, fd); + +struct rpc_file_exec_context { + struct ubus_context *context; + struct ubus_request_data request; + struct uloop_timeout timeout; + struct uloop_process process; + struct ustream_fd opipe; + struct ustream_fd epipe; + int outlen; + char *out; + int errlen; + char *err; + int stat; +}; + static struct blob_buf buf; @@ -40,7 +87,7 @@ enum { }; static const struct blobmsg_policy rpc_exec_policy[__RPC_E_MAX] = { - [RPC_E_CMD] = { .name = "command", .type = BLOBMSG_TYPE_STRING }, + [RPC_E_CMD] = { .name = "command", .type = BLOBMSG_TYPE_STRING }, [RPC_E_PARM] = { .name = "params", .type = BLOBMSG_TYPE_ARRAY }, [RPC_E_ENV] = { .name = "env", .type = BLOBMSG_TYPE_TABLE }, }; @@ -410,7 +457,7 @@ rpc_file_exec_epipe_state_cb(struct ustream *s) static int rpc_file_exec_run(const char *cmd, - const struct blob_attr *arg, const struct blob_attr *env, + const struct blob_attr *arg, const struct blob_attr *env, struct ubus_context *ctx, struct ubus_request_data *req) { pid_t pid; @@ -533,7 +580,7 @@ rpc_file_exec(struct ubus_context *ctx, struct ubus_object *obj, return UBUS_STATUS_INVALID_ARGUMENT; return rpc_file_exec_run(blobmsg_data(tb[RPC_E_CMD]), - tb[RPC_E_PARM], tb[RPC_E_ENV], ctx, req); + tb[RPC_E_PARM], tb[RPC_E_ENV], ctx, req); }