93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/*
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* http.c: HTTP service detection plugin
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*
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* Copyright (c) 2014, Přemysl Janouch <p.janouch@gmail.com>
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* All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "../utils.c"
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#include "../plugin-api.h"
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// --- Service detection -------------------------------------------------------
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static struct plugin_data
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{
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void *ctx; ///< Application context
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struct plugin_api *api; ///< Plugin API vtable
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}
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g_data;
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struct scan_data
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{
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struct str input; ///< Input buffer
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};
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static void *
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scan_init (struct unit *u)
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{
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struct str hello;
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str_init (&hello);
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str_append_printf (&hello, "GET / HTTP/1.0\r\n"
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"Host: %s\r\n\r\n", g_data.api->unit_get_address (u));
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g_data.api->unit_write (u, hello.str, hello.len);
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str_free (&hello);
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struct scan_data *scan = xcalloc (1, sizeof *scan);
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str_init (&scan->input);
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return scan;
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}
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static void
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scan_free (void *handle)
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{
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struct scan_data *scan = handle;
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str_free (&scan->input);
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free (scan);
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}
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static void
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on_data (void *handle, struct unit *u, struct str *data)
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{
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// TODO: implement a state machine to parse the headers
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}
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static struct service g_http_service =
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{
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.name = "HTTP",
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.flags = SERVICE_SUPPORTS_TLS,
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.scan_init = scan_init,
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.scan_free = scan_free,
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.on_data = on_data,
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.on_eof = NULL,
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.on_error = NULL,
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.on_aborted = NULL
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};
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static bool
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initialize (void *ctx, struct plugin_api *api)
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{
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g_data = (struct plugin_data) { .ctx = ctx, .api = api };
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api->register_service (ctx, &g_http_service);
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return true;
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}
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struct plugin_info ponymap_plugin_info =
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{
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.api_version = API_VERSION,
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.initialize = initialize
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};
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