| 1 | /* |
| 2 | * Dolda Connect - Modular multiuser Direct Connect-style client |
| 3 | * Copyright (C) 2007 Fredrik Tolf <fredrik@dolda2000.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | #include <stdlib.h> |
| 21 | #include <stdio.h> |
| 22 | #include <unistd.h> |
| 23 | #include <wchar.h> |
| 24 | #include <sys/poll.h> |
| 25 | #include <string.h> |
| 26 | #include <errno.h> |
| 27 | #include <locale.h> |
| 28 | |
| 29 | #ifdef HAVE_CONFIG_H |
| 30 | #include <config.h> |
| 31 | #endif |
| 32 | #include <doldaconnect/uilib.h> |
| 33 | #include <doldaconnect/uimisc.h> |
| 34 | #include <doldaconnect/utils.h> |
| 35 | |
| 36 | int interactive = 0; |
| 37 | int verbose = 0; |
| 38 | int dcfd; |
| 39 | |
| 40 | struct cmd { |
| 41 | wchar_t *name; |
| 42 | int (*handler)(int argc, wchar_t **argv); |
| 43 | }; |
| 44 | |
| 45 | void wcslimit(wchar_t *wcs, int limit) { |
| 46 | int i; |
| 47 | |
| 48 | if(wcslen(wcs) > limit) { |
| 49 | for(i = limit - 3; i < limit; i++) |
| 50 | wcs[i] = L'.'; |
| 51 | wcs[i] = L'\0'; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | void wcslimitr(wchar_t *wcs, int limit) { |
| 56 | int i; |
| 57 | |
| 58 | if((i = wcslen(wcs)) > limit) { |
| 59 | memmove(wcs + 3, wcs + (i - limit + 3), sizeof(wchar_t) * (limit - 2)); |
| 60 | for(i = 0; i < 3; i++) |
| 61 | wcs[i] = L'.'; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | int cmd_lsnodes(int argc, wchar_t **argv) |
| 66 | { |
| 67 | struct dc_response *resp; |
| 68 | struct dc_intresp *ires; |
| 69 | |
| 70 | resp = dc_gettaggedrespsync(dc_queuecmd(NULL, NULL, L"lsnodes", NULL)); |
| 71 | if(resp->code == 200) { |
| 72 | if(interactive) { |
| 73 | printf("ID NET USERS S NAME\n"); |
| 74 | printf("----- ---- ------ - ----------------------------------------------------------\n"); |
| 75 | } |
| 76 | while((ires = dc_interpret(resp)) != NULL) { |
| 77 | if(interactive) |
| 78 | wcslimit(ires->argv[2].val.str, 58); |
| 79 | printf("%-5i %-4ls %-6i %c %ls\n", ires->argv[0].val.num, ires->argv[1].val.str, ires->argv[3].val.num, "SHED"[ires->argv[4].val.num], ires->argv[2].val.str); |
| 80 | dc_freeires(ires); |
| 81 | } |
| 82 | } else if(resp->code == 201) { |
| 83 | } else { |
| 84 | fprintf(stderr, "dcsh: %ls\n", resp->rlines[0].argv[0]); |
| 85 | return(1); |
| 86 | } |
| 87 | return(0); |
| 88 | } |
| 89 | |
| 90 | int cmd_lsdl(int argc, wchar_t **argv) |
| 91 | { |
| 92 | struct dc_response *resp; |
| 93 | struct dc_intresp *ires; |
| 94 | |
| 95 | resp = dc_gettaggedrespsync(dc_queuecmd(NULL, NULL, L"lstrans", NULL)); |
| 96 | if(resp->code == 200) { |
| 97 | if(interactive) { |
| 98 | printf("ID S USER FILE\n"); |
| 99 | printf("------- - --------------- ----------------------------------------------------\n"); |
| 100 | } |
| 101 | while((ires = dc_interpret(resp)) != NULL) { |
| 102 | if(ires->argv[1].val.num == DC_TRNSD_DOWN) { |
| 103 | if(interactive) { |
| 104 | wcslimit(ires->argv[4].val.str, 15); |
| 105 | wcslimitr(ires->argv[5].val.str, 52); |
| 106 | } |
| 107 | printf("%-7i %c %-15ls %ls\n", ires->argv[0].val.num, "SHED"[ires->argv[2].val.num], ires->argv[4].val.str, ires->argv[5].val.str); |
| 108 | } |
| 109 | dc_freeires(ires); |
| 110 | } |
| 111 | } else if(resp->code == 201) { |
| 112 | } else { |
| 113 | fprintf(stderr, "dcsh: %ls\n", resp->rlines[0].argv[0]); |
| 114 | return(1); |
| 115 | } |
| 116 | return(0); |
| 117 | } |
| 118 | |
| 119 | struct cmd commands[] = { |
| 120 | {L"hubs", cmd_lsnodes}, |
| 121 | {L"lsdl", cmd_lsdl}, |
| 122 | {NULL, NULL} |
| 123 | }; |
| 124 | |
| 125 | int run1(int argc, wchar_t **argv) |
| 126 | { |
| 127 | struct cmd *c; |
| 128 | |
| 129 | for(c = commands; c->handler != NULL; c++) { |
| 130 | if(!wcscmp(argv[0], c->name)) |
| 131 | return(c->handler(argc, argv)); |
| 132 | } |
| 133 | fprintf(stderr, "dcsh: no such command\n"); |
| 134 | return(1); |
| 135 | } |
| 136 | |
| 137 | int runchar(int argc, char **argv) { |
| 138 | int i, rv; |
| 139 | wchar_t **wargv, *buf; |
| 140 | size_t wargvsize, wargvdata; |
| 141 | |
| 142 | wargv = NULL; |
| 143 | wargvsize = wargvdata = 0; |
| 144 | for(i = 0; i < argc; i++) { |
| 145 | if((buf = icmbstowcs(argv[i], NULL)) == NULL) { |
| 146 | fprintf(stderr, "dcsh: could not convert %s to wide char: %s\n", argv[i], strerror(errno)); |
| 147 | for(i = 0; i < wargvdata; i++) |
| 148 | free(wargv[i]); |
| 149 | if(wargv != NULL) |
| 150 | free(wargv); |
| 151 | return(1); |
| 152 | } |
| 153 | addtobuf(wargv, buf); |
| 154 | } |
| 155 | addtobuf(wargv, NULL); |
| 156 | rv = run1(wargvdata - 1, wargv); |
| 157 | dc_freewcsarr(wargv); |
| 158 | return(rv); |
| 159 | } |
| 160 | |
| 161 | int shell(void) |
| 162 | { |
| 163 | int ret, argc; |
| 164 | wchar_t *buf, **argv; |
| 165 | char *p, cmdbuf[128]; |
| 166 | int cmddata; |
| 167 | struct pollfd pfd[2]; |
| 168 | |
| 169 | if(interactive) { |
| 170 | fprintf(stderr, "dcsh> "); |
| 171 | fflush(stderr); |
| 172 | } |
| 173 | cmddata = 0; |
| 174 | while(1) { |
| 175 | pfd[0].fd = dcfd; |
| 176 | pfd[0].events = POLLIN; |
| 177 | if(dc_wantwrite()) |
| 178 | pfd[0].events |= POLLOUT; |
| 179 | pfd[1].fd = 0; |
| 180 | pfd[1].events = POLLIN; |
| 181 | pfd[1].revents = 0; |
| 182 | if(poll(pfd, 2, -1) < 0) { |
| 183 | if(errno != EINTR) { |
| 184 | perror("dcsh: poll"); |
| 185 | exit(1); |
| 186 | } |
| 187 | } |
| 188 | if(((pfd[0].revents & POLLIN) && dc_handleread()) || ((pfd[0].revents & POLLOUT) && dc_handlewrite())) |
| 189 | return(1); |
| 190 | if(pfd[1].revents) { |
| 191 | ret = read(0, cmdbuf + cmddata, sizeof(cmdbuf) - cmddata); |
| 192 | if(ret < 0) { |
| 193 | fprintf(stderr, "dcsh: stdin: %s\n", strerror(errno)); |
| 194 | return(1); |
| 195 | } else if(ret == 0) { |
| 196 | if(interactive) |
| 197 | fprintf(stderr, "\n"); |
| 198 | return(0); |
| 199 | } |
| 200 | cmddata += ret; |
| 201 | while((p = memchr(cmdbuf, '\n', cmddata)) != NULL) { |
| 202 | *(p++) = 0; |
| 203 | if((buf = icmbstowcs(cmdbuf, NULL)) == NULL) { |
| 204 | fprintf(stderr, "dcsh: could not convert command to wide chars: %s\n", strerror(errno)); |
| 205 | } else { |
| 206 | argv = dc_lexsexpr(buf); |
| 207 | free(buf); |
| 208 | for(argc = 0; argv[argc] != NULL; argc++); |
| 209 | if(argc > 0) |
| 210 | run1(argc, argv); |
| 211 | dc_freewcsarr(argv); |
| 212 | } |
| 213 | memmove(cmdbuf, p, cmddata -= (p - cmdbuf)); |
| 214 | if(interactive) { |
| 215 | fprintf(stderr, "dcsh> "); |
| 216 | fflush(stderr); |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | int main(int argc, char **argv) |
| 224 | { |
| 225 | int c, rv; |
| 226 | char *server; |
| 227 | char *username; |
| 228 | int authless, authia; |
| 229 | |
| 230 | setlocale(LC_ALL, ""); |
| 231 | server = username = NULL; |
| 232 | authless = authia = 1; |
| 233 | while((c = getopt(argc, argv, "hvIAs:u:")) != -1) { |
| 234 | switch(c) { |
| 235 | case 's': |
| 236 | server = optarg; |
| 237 | break; |
| 238 | case 'u': |
| 239 | username = optarg; |
| 240 | break; |
| 241 | case 'I': |
| 242 | authia = 0; |
| 243 | break; |
| 244 | case 'A': |
| 245 | authless = 0; |
| 246 | break; |
| 247 | case 'v': |
| 248 | verbose++; |
| 249 | break; |
| 250 | default: |
| 251 | fprintf(stderr, "usage: dcsh [-AIhv] [-s SERVER] [-u USERNAME] [COMMAND [ARGS...]]\n"); |
| 252 | exit((c == 'h')?0:1); |
| 253 | } |
| 254 | } |
| 255 | dc_init(); |
| 256 | |
| 257 | if(verbose) |
| 258 | fprintf(stderr, "connecting...\n"); |
| 259 | if((dcfd = dc_connectsync2(server, 1)) < 0) { |
| 260 | perror("dcsh: could not connect to server"); |
| 261 | exit(1); |
| 262 | } |
| 263 | if(verbose) |
| 264 | fprintf(stderr, "authenticating...\n"); |
| 265 | if(dc_login(username, authless, authia?dc_convtty:dc_convnone, NULL) != DC_LOGIN_ERR_SUCCESS) { |
| 266 | fprintf(stderr, "dcsh: authentication unsuccessful\n"); |
| 267 | exit(1); |
| 268 | } |
| 269 | if(verbose) |
| 270 | fprintf(stderr, "done\n"); |
| 271 | if(optind < argc) { |
| 272 | interactive = isatty(1); |
| 273 | rv = runchar(argc - optind, argv + optind); |
| 274 | } else { |
| 275 | interactive = isatty(0); |
| 276 | rv = shell(); |
| 277 | } |
| 278 | return(rv); |
| 279 | } |