1 | //emul_gopher.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2012 |
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5 | * |
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6 | * This file is part of roard a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * RoarAudio is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include "roard.h" |
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27 | |
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28 | #ifndef ROAR_WITHOUT_DCOMP_EMUL_GOPHER |
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29 | #include <roaraudio/proto_gopher.h> |
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30 | |
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31 | #define _INFO ROAR_GOPHER_TYPE_INFO |
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32 | #define _DIR ROAR_GOPHER_TYPE_DIR |
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33 | #define _FILE ROAR_GOPHER_TYPE_FILE |
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34 | #define _SOUND ROAR_GOPHER_TYPE_SOUND |
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35 | |
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36 | struct item; |
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37 | |
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38 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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39 | static int scb_test (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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40 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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41 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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42 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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43 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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44 | static int scb_listen_menu(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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45 | static int scb_listen (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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46 | |
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47 | static struct roar_gopher_menu_item g_gopher_root_menu[] = { |
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48 | {.type = _INFO, .name = "roard Root Menu"}, |
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49 | {.type = _FILE, .name = "Server Info", .selector = "/info.txt", .host = NULL, .port = 0}, |
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50 | {.type = _FILE, .name = "Server Status", .selector = "/status.txt", .host = NULL, .port = 0}, |
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51 | {.type = _DIR, .name = "Clients", .selector = "/clients/", .host = NULL, .port = 0}, |
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52 | {.type = _DIR, .name = "Streams", .selector = "/streams/", .host = NULL, .port = 0}, |
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53 | {.type = _DIR, .name = "Listen!", .selector = "/listen/", .host = NULL, .port = 0}, |
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54 | }; |
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55 | |
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56 | // need a true constant string. |
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57 | #define info_text \ |
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58 | "This server is RoarAudio server (roard) with a small status gopher server\n" \ |
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59 | "integrated. (For version and stuff see /status.txt.)\n" \ |
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60 | "RoarAudio is a modern, multi OS, networed sound system.\n" \ |
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61 | "For more information see http://roaraudio.keep-cool.org/\n" |
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62 | |
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63 | static struct item { |
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64 | const char * selector; |
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65 | char type; |
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66 | struct roar_gopher_menu menu; |
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67 | struct roar_audio_info info; |
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68 | int dir; |
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69 | const char * text; |
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70 | int (*cb)(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem); |
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71 | } g_gopher_items[] = { |
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72 | {.selector = "", .type = _DIR, |
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73 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
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74 | .cb = NULL |
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75 | }, |
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76 | // and again as selector '/' as some clients seems to require it: |
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77 | {.selector = "/", .type = _DIR, |
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78 | .menu = {.items = g_gopher_root_menu, .items_len = sizeof(g_gopher_root_menu)/sizeof(*g_gopher_root_menu)}, |
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79 | .cb = NULL |
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80 | }, |
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81 | {.selector = "/info.txt", .type = _FILE, .text = info_text, .cb = NULL}, |
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82 | {.selector = "/status.txt", .type = _FILE, .cb = scb_status_txt}, |
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83 | {.selector = "/test/*", .type = _FILE, .cb = scb_test}, |
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84 | {.selector = "/clients/", .type = _DIR, .cb = scb_clients}, |
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85 | {.selector = "/streams/", .type = _DIR, .cb = scb_streams}, |
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86 | {.selector = "/clients/*/", .type = _DIR, .cb = scb_client_info}, |
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87 | {.selector = "/streams/*/", .type = _DIR, .cb = scb_stream_info}, |
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88 | {.selector = "/listen/", .type = _DIR, .cb = scb_listen_menu}, |
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89 | {.selector = "/listen/*/*/*/*/*", .type = _FILE, .cb = scb_listen} |
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90 | }; |
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91 | |
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92 | static char * _aprintf(size_t sizehint, const char * format, ...); |
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93 | |
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94 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio); |
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95 | static int send_text (int client, const char * text, struct roar_vio_calls * vio); |
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96 | |
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97 | |
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98 | // SCBs: |
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99 | static int scb_status_txt (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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100 | const size_t len = 1024; |
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101 | const char * server_version = NULL; |
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102 | |
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103 | if ( DISTRIBUTION_VERSION_STRING[0] == 0 ) { |
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104 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING ">"; |
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105 | } else { |
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106 | server_version = "roard/" PACKAGE_VERSION " <" DEVICE_VENDOR_STRING "> (" DISTRIBUTION_VERSION_STRING ")"; |
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107 | } |
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108 | |
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109 | *text = roar_mm_malloc(len); |
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110 | if ( *text == NULL ) |
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111 | return -1; |
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112 | |
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113 | **text = 0; |
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114 | |
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115 | snprintf(*text, len, |
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116 | "Server version: %s\r\n" |
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117 | "Server location: %s\r\n" |
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118 | "Server description: %s\r\n" |
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119 | "\r\n" |
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120 | "Counters current: %llu clients, %llu streams\r\n" |
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121 | "Counters sum: %llu clients, %llu streams\r\n", |
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122 | server_version, |
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123 | g_config->location, |
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124 | g_config->description, |
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125 | (long long unsigned int)g_counters.cur.clients, |
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126 | (long long unsigned int)g_counters.cur.streams, |
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127 | (long long unsigned int)g_counters.sum.clients, |
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128 | (long long unsigned int)g_counters.sum.streams |
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129 | ); |
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130 | |
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131 | (*text)[len-1] = 0; |
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132 | return 0; |
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133 | } |
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134 | |
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135 | static int scb_test(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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136 | ssize_t toks; |
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137 | char * tok; |
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138 | size_t len; |
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139 | |
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140 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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141 | |
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142 | if ( toks == -1 ) |
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143 | return -1; |
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144 | |
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145 | len = strlen(tok); |
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146 | len += 64; |
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147 | |
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148 | *text = roar_mm_malloc(1024); |
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149 | if ( *text == NULL ) |
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150 | return -1; |
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151 | |
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152 | **text = 0; |
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153 | |
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154 | snprintf(*text, len, "Your text was: %s", tok); |
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155 | |
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156 | (*text)[len-1] = 0; |
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157 | |
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158 | return 0; |
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159 | } |
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160 | |
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161 | static int scb_clients (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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162 | struct roar_gopher_menu_item items[ROAR_CLIENTS_MAX]; |
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163 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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164 | struct roar_gopher_menu_item * item; |
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165 | struct roar_client_server * cs; |
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166 | struct roar_client * c; |
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167 | const size_t len = 80; |
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168 | char * d; |
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169 | size_t i; |
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170 | int ret; |
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171 | |
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172 | memset(items, 0, sizeof(items)); |
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173 | |
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174 | for (i = 0; i < ROAR_CLIENTS_MAX; i++) { |
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175 | if ( (c = ROAR_CLIENT((cs = g_clients[i]))) != NULL ) { |
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176 | item = &(items[menu.items_len++]); |
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177 | item->type = _DIR; |
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178 | d = roar_mm_malloc(len); |
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179 | if ( d == NULL ) { |
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180 | menu.items_len--; |
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181 | continue; |
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182 | } |
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183 | if ( c->name != NULL && c->name[0] != 0 ) { |
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184 | snprintf(d, len, "Client %i: %s", (int)i, c->name); |
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185 | } else { |
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186 | snprintf(d, len, "Client %i", (int)i); |
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187 | } |
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188 | item->name = d; |
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189 | |
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190 | d = roar_mm_malloc(len); |
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191 | if ( d == NULL ) { |
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192 | if ( item->name != NULL ) |
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193 | roar_mm_free((void*)item->name); |
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194 | menu.items_len--; |
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195 | continue; |
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196 | } |
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197 | |
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198 | snprintf(d, len, "/clients/%i/", (int)i); |
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199 | item->selector = d; |
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200 | } |
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201 | } |
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202 | |
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203 | ret = send_menu(client, &menu, vio); |
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204 | |
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205 | for (i = 0; i < menu.items_len; i++) { |
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206 | if ( items[i].name != NULL ) |
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207 | roar_mm_free((void*)items[i].name); |
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208 | if ( items[i].selector != NULL ) |
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209 | roar_mm_free((void*)items[i].selector); |
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210 | } |
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211 | |
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212 | return ret; |
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213 | } |
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214 | |
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215 | static int scb_streams (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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216 | struct roar_gopher_menu_item items[ROAR_STREAMS_MAX]; |
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217 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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218 | struct roar_gopher_menu_item * item; |
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219 | struct roar_stream_server * ss; |
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220 | struct roar_stream * s; |
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221 | const size_t len = 80; |
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222 | char * d; |
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223 | size_t i; |
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224 | int ret; |
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225 | |
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226 | memset(items, 0, sizeof(items)); |
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227 | |
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228 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
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229 | if ( (s = ROAR_STREAM((ss = g_streams[i]))) != NULL ) { |
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230 | item = &(items[menu.items_len++]); |
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231 | item->type = _DIR; |
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232 | d = roar_mm_malloc(len); |
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233 | if ( d == NULL ) { |
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234 | menu.items_len--; |
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235 | continue; |
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236 | } |
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237 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
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238 | snprintf(d, len, "Stream %i: %s", (int)i, ss->name); |
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239 | } else { |
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240 | snprintf(d, len, "Stream %i", (int)i); |
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241 | } |
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242 | item->name = d; |
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243 | |
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244 | d = roar_mm_malloc(len); |
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245 | if ( d == NULL ) { |
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246 | if ( item->name != NULL ) |
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247 | roar_mm_free((void*)item->name); |
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248 | menu.items_len--; |
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249 | continue; |
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250 | } |
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251 | |
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252 | snprintf(d, len, "/streams/%i/", (int)i); |
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253 | item->selector = d; |
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254 | } |
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255 | } |
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256 | |
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257 | ret = send_menu(client, &menu, vio); |
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258 | |
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259 | for (i = 0; i < menu.items_len; i++) { |
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260 | if ( items[i].name != NULL ) |
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261 | roar_mm_free((void*)items[i].name); |
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262 | if ( items[i].selector != NULL ) |
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263 | roar_mm_free((void*)items[i].selector); |
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264 | } |
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265 | |
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266 | return ret; |
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267 | } |
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268 | |
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269 | static int scb_client_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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270 | #define _MAX_ITEMS (16 + ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT) |
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271 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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272 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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273 | struct roar_gopher_menu_item * item; |
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274 | struct roar_client_server * cs; |
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275 | struct roar_client * c; |
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276 | size_t i; |
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277 | int ret; |
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278 | ssize_t toks; |
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279 | char * tok; |
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280 | int id; |
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281 | char tmp[80]; |
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282 | |
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283 | memset(items, 0, sizeof(items)); |
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284 | |
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285 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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286 | if ( toks == -1 ) |
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287 | return -1; |
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288 | |
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289 | id = atoi(tok); |
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290 | |
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291 | if ( clients_get_server(id, &cs) == -1 ) |
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292 | return -1; |
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293 | |
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294 | c = ROAR_CLIENT(cs); |
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295 | |
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296 | item = &(items[menu.items_len++]); |
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297 | item->type = _INFO; |
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298 | if ( c->name != NULL && c->name[0] != 0 ) { |
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299 | item->name = _aprintf(64, "Client %i: %s", id, c->name); |
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300 | } else { |
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301 | item->name = _aprintf(64, "Client %i", id); |
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302 | } |
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303 | |
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304 | if ( roar_nnode_get_socktype(&(c->nnode)) != ROAR_SOCKET_TYPE_UNKNOWN ) { |
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305 | if ( roar_nnode_to_str(&(c->nnode), tmp, sizeof(tmp)) == 0 ) { |
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306 | item = &(items[menu.items_len++]); |
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307 | item->type = _INFO; |
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308 | item->name = _aprintf(64, "Network node: %s", tmp); |
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309 | } |
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310 | } |
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311 | |
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312 | item = &(items[menu.items_len++]); |
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313 | item->type = _INFO; |
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314 | item->name = _aprintf(64, "Protocol: %s", roar_proto2str(c->proto)); |
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315 | |
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316 | if ( c->execed != -1 ) { |
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317 | item = &(items[menu.items_len++]); |
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318 | item->type = _DIR; |
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319 | item->name = _aprintf(64, "Exected Stream: %i", c->execed); |
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320 | item->selector = _aprintf(64, "/streams/%i/", c->execed); |
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321 | } |
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322 | |
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323 | for (i = 0; i < ROAR_CLIENTS_MAX_STREAMS_PER_CLIENT; i++) { |
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324 | if ( c->streams[i] != -1 ) { |
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325 | item = &(items[menu.items_len++]); |
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326 | item->type = _DIR; |
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327 | item->name = _aprintf(64, "Stream: %i", c->streams[i]); |
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328 | item->selector = _aprintf(64, "/streams/%i/", c->streams[i]); |
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329 | } |
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330 | } |
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331 | |
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332 | ret = send_menu(client, &menu, vio); |
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333 | |
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334 | for (i = 0; i < menu.items_len; i++) { |
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335 | if ( items[i].name != NULL ) |
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336 | roar_mm_free((void*)items[i].name); |
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337 | if ( items[i].selector != NULL ) |
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338 | roar_mm_free((void*)items[i].selector); |
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339 | } |
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340 | |
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341 | #undef _MAX_ITEMS |
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342 | return ret; |
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343 | } |
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344 | |
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345 | static int scb_stream_info(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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346 | #define _MAX_ITEMS 12 |
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347 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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348 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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349 | struct roar_gopher_menu_item * item; |
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350 | struct roar_stream_server * ss; |
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351 | struct roar_stream * s; |
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352 | size_t i; |
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353 | int ret; |
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354 | ssize_t toks; |
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355 | char * tok; |
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356 | int id; |
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357 | |
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358 | memset(items, 0, sizeof(items)); |
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359 | |
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360 | toks = roar_mm_strseltok(sitem->selector, selector, &tok, 1); |
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361 | if ( toks == -1 ) |
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362 | return -1; |
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363 | |
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364 | id = atoi(tok); |
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365 | |
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366 | if ( streams_get(id, &ss) == -1 ) |
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367 | return -1; |
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368 | |
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369 | s = ROAR_STREAM(ss); |
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370 | |
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371 | |
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372 | item = &(items[menu.items_len++]); |
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373 | item->type = _INFO; |
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374 | if ( ss->name != NULL && ss->name[0] != 0 ) { |
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375 | item->name = _aprintf(64, "Stream %i: %s", id, ss->name); |
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376 | } else { |
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377 | item->name = _aprintf(64, "Stream %i", id); |
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378 | } |
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379 | |
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380 | item = &(items[menu.items_len++]); |
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381 | item->type = _INFO; |
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382 | item->name = _aprintf(64, "Stream state: %s", roar_streamstate2str(ss->state)); |
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383 | |
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384 | item = &(items[menu.items_len++]); |
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385 | item->type = _INFO; |
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386 | item->name = _aprintf(64, "Stream direction: %s", roar_dir2str(s->dir)); |
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387 | |
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388 | item = &(items[menu.items_len++]); |
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389 | item->type = _INFO; |
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390 | item->name = _aprintf(128, "Signal info: rate:%iHz bits:%i channels:%i codec:%s", |
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391 | s->info.rate, s->info.bits, s->info.channels, roar_codec2str(s->info.codec)); |
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392 | |
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393 | if ( ss->codec_orgi != -1 && ss->codec_orgi != s->info.codec ) { |
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394 | item = &(items[menu.items_len++]); |
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395 | item->type = _INFO; |
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396 | item->name = _aprintf(64, "Streamed codec: %s", roar_codec2str(ss->codec_orgi)); |
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397 | } |
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398 | |
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399 | if ( ss->role != -1 ) { |
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400 | item = &(items[menu.items_len++]); |
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401 | item->type = _INFO; |
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402 | item->name = _aprintf(64, "Stream role: %s", roar_role2str(ss->role)); |
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403 | } |
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404 | |
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405 | item = &(items[menu.items_len++]); |
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406 | item->type = _DIR; |
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407 | item->name = _aprintf(64, "Client: %i", ss->client); |
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408 | item->selector = _aprintf(64, "/clients/%i/", ss->client); |
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409 | |
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410 | ret = send_menu(client, &menu, vio); |
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411 | |
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412 | for (i = 0; i < menu.items_len; i++) { |
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413 | if ( items[i].name != NULL ) |
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414 | roar_mm_free((void*)items[i].name); |
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415 | if ( items[i].selector != NULL ) |
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416 | roar_mm_free((void*)items[i].selector); |
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417 | } |
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418 | |
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419 | #undef _MAX_ITEMS |
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420 | return ret; |
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421 | } |
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422 | |
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423 | static int scb_listen_menu(int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
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424 | #define _MAX_ITEMS 12 |
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425 | struct roar_gopher_menu_item items[_MAX_ITEMS]; |
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426 | struct roar_gopher_menu menu = {.flags = 0, .items = items, .items_len = 0}; |
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427 | struct roar_gopher_menu_item * item; |
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428 | const char * codec; |
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429 | int ret; |
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430 | int codecs[] = {ROAR_CODEC_DEFAULT, ROAR_CODEC_RIFF_WAVE, ROAR_CODEC_AU, ROAR_CODEC_OGG_VORBIS}; |
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431 | size_t i; |
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432 | |
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433 | memset(items, 0, sizeof(items)); |
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434 | |
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435 | item = &(items[menu.items_len++]); |
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436 | item->type = _INFO; |
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437 | item->name = roar_mm_strdup("Select a format you want to listen in:"); |
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438 | |
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439 | item = &(items[menu.items_len++]); |
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440 | item->type = _INFO; |
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441 | item->name = NULL; // empty lion |
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442 | |
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443 | for (i = 0; i < (sizeof(codecs)/sizeof(*codecs)); i++) { |
---|
444 | item = &(items[menu.items_len++]); |
---|
445 | item->type = _SOUND; |
---|
446 | codec = roar_codec2str(codecs[i]); |
---|
447 | item->name = _aprintf(64, "%u channels with %u bits at %uHz, %s", |
---|
448 | g_sa->channels, g_sa->bits, g_sa->rate, codec); |
---|
449 | item->selector = _aprintf(64, "/listen/monitor/%u/%u/%u/%s", g_sa->rate, g_sa->bits, g_sa->channels, codec); |
---|
450 | } |
---|
451 | |
---|
452 | ret = send_menu(client, &menu, vio); |
---|
453 | |
---|
454 | for (i = 0; i < menu.items_len; i++) { |
---|
455 | if ( items[i].name != NULL ) |
---|
456 | roar_mm_free((void*)items[i].name); |
---|
457 | if ( items[i].selector != NULL ) |
---|
458 | roar_mm_free((void*)items[i].selector); |
---|
459 | } |
---|
460 | |
---|
461 | #undef _MAX_ITEMS |
---|
462 | return ret; |
---|
463 | } |
---|
464 | |
---|
465 | static int scb_listen (int client, struct roar_vio_calls * vio, char * selector, char ** text, struct item * sitem) { |
---|
466 | struct roar_stream_server * ss; |
---|
467 | struct roar_stream * s; |
---|
468 | struct roar_audio_info info; |
---|
469 | int dir = -1; |
---|
470 | ssize_t toks; |
---|
471 | char * tok[5]; |
---|
472 | int stream = -1; |
---|
473 | |
---|
474 | toks = roar_mm_strseltok(sitem->selector, selector, tok, 5); |
---|
475 | |
---|
476 | if ( toks != 5 ) |
---|
477 | return -1; |
---|
478 | |
---|
479 | memset(&info, 0, sizeof(info)); |
---|
480 | |
---|
481 | if ( (dir = roar_str2dir(tok[0])) == -1 ) |
---|
482 | return -1; |
---|
483 | |
---|
484 | // test for unsupported dirs: |
---|
485 | switch (dir) { |
---|
486 | case ROAR_DIR_THRU: |
---|
487 | case ROAR_DIR_RAW_IN: |
---|
488 | case ROAR_DIR_FILTER: |
---|
489 | return -1; |
---|
490 | break; |
---|
491 | } |
---|
492 | |
---|
493 | info.rate = atoi(tok[1]); |
---|
494 | info.bits = atoi(tok[2]); |
---|
495 | info.channels = atoi(tok[3]); |
---|
496 | info.codec = roar_str2codec(tok[4]); |
---|
497 | |
---|
498 | if ( info.codec == -1 ) |
---|
499 | return -1; |
---|
500 | |
---|
501 | if ((stream = streams_new()) == -1 ) |
---|
502 | return -1; |
---|
503 | |
---|
504 | if ( streams_get(stream, &ss) == -1 ) { |
---|
505 | streams_delete(stream); |
---|
506 | return -1; |
---|
507 | } |
---|
508 | |
---|
509 | s = ROAR_STREAM(ss); |
---|
510 | |
---|
511 | if ( client_stream_add(client, stream) == -1 ) { |
---|
512 | streams_delete(stream); |
---|
513 | return -1; |
---|
514 | } |
---|
515 | |
---|
516 | memcpy(&(s->info), &info, sizeof(info)); |
---|
517 | ss->codec_orgi = info.codec; |
---|
518 | |
---|
519 | if ( streams_set_dir(stream, dir, 1) == -1 ) { |
---|
520 | streams_delete(stream); |
---|
521 | return -1; |
---|
522 | } |
---|
523 | |
---|
524 | if ( client_stream_exec(client, stream) == -1 ) { |
---|
525 | streams_delete(stream); |
---|
526 | return -1; |
---|
527 | } |
---|
528 | |
---|
529 | return 0; |
---|
530 | } |
---|
531 | |
---|
532 | // other code: |
---|
533 | static int strip_nl (char * str) { |
---|
534 | register char c; |
---|
535 | |
---|
536 | for (; (c = *str) != 0; str++) { |
---|
537 | if ( c == '\r' || c == '\n' ) { |
---|
538 | *str = 0; |
---|
539 | return 1; |
---|
540 | } |
---|
541 | } |
---|
542 | |
---|
543 | return 0; |
---|
544 | } |
---|
545 | |
---|
546 | static char * _aprintf(size_t sizehint, const char * format, ...) { |
---|
547 | va_list ap; |
---|
548 | char * buf; |
---|
549 | int ret; |
---|
550 | |
---|
551 | sizehint += 128; |
---|
552 | |
---|
553 | if ( (buf = roar_mm_malloc(sizehint)) == NULL ) |
---|
554 | return NULL; |
---|
555 | |
---|
556 | va_start(ap, format); |
---|
557 | ret = vsnprintf(buf, sizehint, format, ap); |
---|
558 | va_end(ap); |
---|
559 | |
---|
560 | buf[sizehint-1] = 0; |
---|
561 | |
---|
562 | return buf; |
---|
563 | } |
---|
564 | |
---|
565 | static int send_menu (int client, struct roar_gopher_menu * menu, struct roar_vio_calls * vio) { |
---|
566 | struct roar_buffer * buf; |
---|
567 | struct roar_gopher_menu_item * item; |
---|
568 | const size_t len = 256; |
---|
569 | size_t i; |
---|
570 | void * data; |
---|
571 | char * chardata; |
---|
572 | const char * host; |
---|
573 | unsigned int port; |
---|
574 | struct roar_sockname sockaddr; |
---|
575 | |
---|
576 | if ( roar_vio_ctl(vio, ROAR_VIO_CTL_GET_SOCKNAME, &sockaddr) == -1 ) { |
---|
577 | memset(&sockaddr, 0, sizeof(sockaddr)); |
---|
578 | } |
---|
579 | |
---|
580 | for (i = 0; i < menu->items_len; i++) { |
---|
581 | item = &(menu->items[i]); |
---|
582 | if ( roar_buffer_new_data(&buf, len, &data) == -1 ) { |
---|
583 | if ( sockaddr.addr != NULL ) |
---|
584 | roar_mm_free(sockaddr.addr); |
---|
585 | return -1; |
---|
586 | } |
---|
587 | |
---|
588 | chardata = data; |
---|
589 | |
---|
590 | switch (item->type) { |
---|
591 | case _INFO: |
---|
592 | snprintf(data, len-1, "i%s\tfake\t(NULL)\t0\r\n", item->name == NULL ? "" : item->name); |
---|
593 | break; |
---|
594 | default: |
---|
595 | host = item->host == NULL ? sockaddr.addr : item->host; |
---|
596 | port = item->port == 0 ? sockaddr.port : item->port; |
---|
597 | snprintf(data, len-1, "%c%s\t%s\t%s\t%u\r\n", item->type, item->name, item->selector, host, port); |
---|
598 | break; |
---|
599 | } |
---|
600 | |
---|
601 | chardata[len-1] = 0; |
---|
602 | |
---|
603 | if ( roar_buffer_set_len(buf, strlen(data)) == -1 ) { |
---|
604 | roar_buffer_free(buf); |
---|
605 | return -1; |
---|
606 | } |
---|
607 | |
---|
608 | clients_add_output(client, &buf); |
---|
609 | } |
---|
610 | |
---|
611 | if ( sockaddr.addr != NULL ) |
---|
612 | roar_mm_free(sockaddr.addr); |
---|
613 | |
---|
614 | return 0; |
---|
615 | } |
---|
616 | |
---|
617 | static int send_text (int client, const char * text, struct roar_vio_calls * vio) { |
---|
618 | struct roar_buffer * buf; |
---|
619 | void * data; |
---|
620 | size_t len = strlen(text); |
---|
621 | |
---|
622 | if ( roar_buffer_new_data(&buf, len+6, &data) == -1 ) |
---|
623 | return -1; |
---|
624 | |
---|
625 | memcpy(data, text, len); |
---|
626 | //memcpy(data+len, "\r\n.\r\n\0", 6); |
---|
627 | memcpy(data+len, "\0", 1); |
---|
628 | clients_add_output(client, &buf); |
---|
629 | |
---|
630 | return 0; |
---|
631 | } |
---|
632 | |
---|
633 | int emul_gopher_check_client(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
634 | struct roar_client_server * cs; |
---|
635 | struct roar_vio_calls rvio; |
---|
636 | struct item * c = NULL; |
---|
637 | char inbuf[1024]; |
---|
638 | ssize_t ret; |
---|
639 | size_t i; |
---|
640 | int funcret = -1; |
---|
641 | size_t len = 0; |
---|
642 | void * data; |
---|
643 | char * text; |
---|
644 | |
---|
645 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
646 | |
---|
647 | if ( clients_get_server(client, &cs) == -1 ) { |
---|
648 | clients_delete(client); |
---|
649 | return -1; |
---|
650 | } |
---|
651 | |
---|
652 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
653 | |
---|
654 | if ( vio == NULL ) { |
---|
655 | vio = &rvio; |
---|
656 | roar_vio_open_fh_socket(vio, clients_get_fh(client)); |
---|
657 | } |
---|
658 | |
---|
659 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
660 | |
---|
661 | if ( cs->inbuf != NULL ) { |
---|
662 | len = sizeof(inbuf)-1; |
---|
663 | if ( roar_buffer_shift_out(&(cs->inbuf), inbuf, &len) == -1 ) { |
---|
664 | clients_delete(client); |
---|
665 | return -1; |
---|
666 | } |
---|
667 | |
---|
668 | if ( cs->inbuf != NULL ) { |
---|
669 | roar_buffer_free(cs->inbuf); |
---|
670 | clients_delete(client); |
---|
671 | return -1; |
---|
672 | } |
---|
673 | |
---|
674 | // test if we have still buffer space left. |
---|
675 | if ( len == (sizeof(inbuf)-1) ) { |
---|
676 | clients_delete(client); |
---|
677 | return -1; |
---|
678 | } |
---|
679 | } |
---|
680 | |
---|
681 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
682 | |
---|
683 | ret = roar_vio_read(vio, inbuf+len, sizeof(inbuf)-len-1); |
---|
684 | if ( ret < 1 ) { |
---|
685 | clients_delete(client); |
---|
686 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
687 | return -1; |
---|
688 | } |
---|
689 | |
---|
690 | ret += len; |
---|
691 | |
---|
692 | inbuf[ret] = 0; |
---|
693 | |
---|
694 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
695 | |
---|
696 | if ( !strip_nl(inbuf) ) { |
---|
697 | if ( roar_buffer_new_data(&(cs->inbuf), ret, &data) == -1 ) { |
---|
698 | clients_delete(client); |
---|
699 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
700 | return -1; |
---|
701 | } |
---|
702 | |
---|
703 | memcpy(data, inbuf, ret); |
---|
704 | |
---|
705 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
706 | |
---|
707 | return 0; |
---|
708 | } |
---|
709 | |
---|
710 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
711 | |
---|
712 | for (i = 0; i < sizeof(g_gopher_items)/sizeof(*g_gopher_items); i++) { |
---|
713 | // if ( !roar_mm_strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
714 | if ( !roar_mm_strselcmp(g_gopher_items[i].selector, inbuf) ) { |
---|
715 | c = &(g_gopher_items[i]); |
---|
716 | break; |
---|
717 | } |
---|
718 | } |
---|
719 | |
---|
720 | if ( c == NULL ) { |
---|
721 | clients_delete(client); |
---|
722 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
723 | return -1; |
---|
724 | } |
---|
725 | |
---|
726 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
727 | |
---|
728 | if ( c->cb != NULL ) { |
---|
729 | text = NULL; |
---|
730 | funcret = c->cb(client, vio, inbuf, &text, c); |
---|
731 | |
---|
732 | if ( funcret == 0 && text != NULL ) |
---|
733 | funcret = send_text(client, text, vio); |
---|
734 | |
---|
735 | if ( text != NULL ) |
---|
736 | roar_mm_free(text); |
---|
737 | } else { |
---|
738 | switch (c->type) { |
---|
739 | case _DIR: |
---|
740 | funcret = send_menu(client, &(c->menu), vio); |
---|
741 | break; |
---|
742 | case _FILE: |
---|
743 | funcret = send_text(client, c->text, vio); |
---|
744 | break; |
---|
745 | default: |
---|
746 | funcret = -1; |
---|
747 | break; |
---|
748 | } |
---|
749 | } |
---|
750 | |
---|
751 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = ?", client, vio); |
---|
752 | |
---|
753 | if ( funcret == -1 ) { |
---|
754 | clients_delete(client); |
---|
755 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = -1", client, vio); |
---|
756 | return -1; |
---|
757 | } |
---|
758 | |
---|
759 | ROAR_DBG("emul_gopher_check_client(client=%i, vio=%p) = 0", client, vio); |
---|
760 | |
---|
761 | return 0; |
---|
762 | } |
---|
763 | |
---|
764 | int emul_gopher_flushed_client(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) { |
---|
765 | ROAR_DBG("emul_gopher_flushed_client(client=%i, vio=%p) = ?", client, vio); |
---|
766 | |
---|
767 | return clients_delete(client); |
---|
768 | } |
---|
769 | |
---|
770 | #endif |
---|
771 | |
---|
772 | //ll |
---|