rb79-moderate-post.c

   1 /*
   2  * Copyright (c) 2017, De Rais <derais@cock.li>
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for
   5  * any purpose with or without fee is hereby granted, provided that the
   6  * above copyright notice and this permission notice appear in all
   7  * copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  16  * PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include <errno.h>
  19 #include <locale.h>
  20 #include <stdint.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <unistd.h>
  24
  25 #include <sodium.h>
  26
  27 #include "macros.h"
  28 #include "rb79.h"
  29
  30 #include "config.h"
  31
  32 const char *program_name = "rb79-moderate-post";
  33
  34 /* Show usage message, do not exit */
  35 void usage(void)
  36 {
  37         size_t len = strlen(program_name);
  38
  39         printf("Usage: %s -b board-name\n", program_name);
  40         printf("       %*s -p post-id\n", (int) len, "");
  41         printf("       %*s [ -a message ]\n", (int) len, "");
  42         printf("       %*s [ -s | -S ]    # Sticky or unsticky\n", (int) len,
  43                "");
  44         printf("       %*s [ -c | -C ]    # Close or unclose\n", (int) len, "");
  45 }
  46
  47 /* Do the thing */
  48 int main(int argc, char **argv)
  49 {
  50         int ret = EINVAL;
  51         struct configuration conf = { 0 };
  52         int opt = 0;
  53         const char *b_arg = 0;
  54         size_t board_idx = 0;
  55         const char *p_arg = 0;
  56         uintmax_t post_id = 0;
  57         const char *a_arg = 0;
  58         uint_fast8_t must_sticky = 0;
  59         uint_fast8_t must_unsticky = 0;
  60         uint_fast8_t must_close = 0;
  61         uint_fast8_t must_unclose = 0;
  62         uint_fast8_t actually_is_op = 0;
  63
  64         setlocale(LC_ALL, "");
  65
  66         /* Parse options */
  67         while ((opt = getopt(argc, argv, "b:p:a:sScC")) != -1) {
  68                 switch (opt) {
  69                 case 'b':
  70
  71                         if (b_arg) {
  72                                 ERROR_MESSAGE("-b already specified");
  73                                 goto done;
  74                         }
  75
  76                         b_arg = optarg;
  77                         break;
  78                 case 'p':
  79
  80                         if (p_arg) {
  81                                 ERROR_MESSAGE("-p already specified");
  82                                 goto done;
  83                         }
  84
  85                         p_arg = optarg;
  86                         break;
  87                 case 'a':
  88
  89                         if (a_arg) {
  90                                 ERROR_MESSAGE("-a already specified");
  91                                 goto done;
  92                         }
  93
  94                         a_arg = optarg;
  95                         break;
  96                 case 's':
  97                         must_sticky = 1;
  98                         break;
  99                 case 'S':
 100                         must_unsticky = 1;
 101                         break;
 102                 case 'c':
 103                         must_close = 1;
 104                         break;
 105                 case 'C':
 106                         must_unclose = 1;
 107                         break;
 108                 default:
 109                         usage();
 110                         goto done;
 111                 }
 112         }
 113
 114         if (!b_arg ||
 115             !p_arg) {
 116                 usage();
 117                 goto done;
 118         }
 119
 120         if (must_unsticky &&
 121             must_sticky) {
 122                 ERROR_MESSAGE("-s and -S are mutually exclusive");
 123                 goto done;
 124         }
 125
 126         if (must_unclose &&
 127             must_close) {
 128                 ERROR_MESSAGE("-c and -C are mutually exclusive");
 129                 goto done;
 130         }
 131
 132         conf = (struct configuration) {
 133                 /* */
 134                 .static_www_folder = static_www_folder,             /* */
 135                 .work_path = work_path,                             /* */
 136                 .trip_salt = trip_salt,                             /* */
 137                 .trip_salt_len = strlen(trip_salt),                 /* */
 138                 .boards = boards,                                   /* */
 139                 .boards_num = NUM_OF(boards),                       /* */
 140                 .max_form_data_size = max_form_data_size,           /* */
 141                 .max_file_size = max_file_size,                     /* */
 142                 .max_text_len = max_text_len,                       /* */
 143                 .filetypes = filetypes,                             /* */
 144                 .filetypes_num = NUM_OF(filetypes),                 /* */
 145                 .file_description_prog = file_description_prog,     /* */
 146                 .headers = headers,                                 /* */
 147                 .headers_num = NUM_OF(headers),                     /* */
 148                 .challenges = challenges,                           /* */
 149                 .challenges_num = NUM_OF(challenges),               /* */
 150                 .wordfilter_inputs = wordfilter_inputs,             /* */
 151                 .wordfilter_inputs_num = NUM_OF(wordfilter_inputs), /* */
 152         };
 153
 154         /* Interpret board */
 155         board_idx = (size_t) -1;
 156
 157         for (size_t j = 0; j < conf.boards_num; ++j) {
 158                 if (!strcmp(conf.boards[j].name, b_arg)) {
 159                         board_idx = j;
 160                 }
 161         }
 162
 163         if (board_idx == (size_t) -1) {
 164                 ERROR_MESSAGE("No board \"%s\" known", b_arg);
 165                 goto done;
 166         }
 167
 168         /* Interpret post */
 169         errno = 0;
 170         post_id = strtoull(p_arg, 0, 0);
 171
 172         if (errno) {
 173                 ret = errno;
 174                 PERROR_MESSAGE("strtoull");
 175                 goto done;
 176         }
 177
 178         /* Set up a minimal part of the system */
 179         if (setup_locks(&conf) < 0) {
 180                 goto done;
 181         }
 182
 183         if (setup_dbs(&conf) < 0) {
 184                 goto done;
 185         }
 186
 187         if (setup_write_thread(&conf) < 0) {
 188                 goto done;
 189         }
 190
 191         if (db_is_op(board_idx, post_id, &actually_is_op) < 0) {
 192                 goto done;
 193         }
 194
 195         if (!actually_is_op &&
 196             (must_sticky ||
 197              must_unsticky ||
 198              must_close ||
 199              must_unclose)) {
 200                 ERROR_MESSAGE("Board /%s/, post %ju is not an OP, "
 201                               "cannot apply -s, -S, -C, -c",
 202                               conf.boards[board_idx].name,
 203                               post_id);
 204                 goto done;
 205         }
 206
 207         if (db_moderate_post(board_idx, post_id, a_arg, (must_sticky ||
 208                                                          must_unsticky),
 209                              must_sticky, (must_close ||
 210                                            must_unclose),
 211                              must_close) < 0) {
 212                 goto done;
 213         }
 214
 215         util_rebuild(&conf);
 216         ret = 0;
 217 done:
 218         clean_locks();
 219         clean_dbs();
 220         clean_write_thread();
 221
 222         return ret;
 223 }