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11506 smatch resync


   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
  16  *
  17  * Copyright 2019 Joyent, Inc.
  18  */
  19 
  20 #include <stdio.h>
  21 #include <unistd.h>
  22 #include <libgen.h>
  23 #include "smatch.h"

  24 #include "check_list.h"
  25 
  26 char *option_debug_check = (char *)"";
  27 char *option_project_str = (char *)"smatch_generic";
  28 static char *option_db_file = (char *)"smatch_db.sqlite";
  29 enum project_type option_project = PROJ_NONE;
  30 char *bin_dir;
  31 char *data_dir;
  32 int option_no_data = 0;
  33 int option_spammy = 0;
  34 int option_info = 0;
  35 int option_full_path = 0;
  36 int option_param_mapper = 0;
  37 int option_call_tree = 0;
  38 int option_no_db = 0;
  39 int option_enable = 0;
  40 int option_disable = 0;
  41 int option_debug_related;
  42 int option_file_output;
  43 int option_time;
  44 int option_mem;
  45 char *option_datadir_str;
  46 int option_fatal_checks;
  47 int option_succeed;
  48 int option_timeout = 60;
  49 
  50 FILE *sm_outfd;
  51 FILE *sql_outfd;
  52 FILE *caller_info_fd;
  53 
  54 int sm_nr_errors;
  55 int sm_nr_checks;
  56 
  57 bool __silence_warnings_for_stmt;
  58 
  59 const char *progname;
  60 
  61 typedef void (*reg_func) (int id);


 159 {
 160         char *str;
 161         char *tmp;
 162         int ret = 0;
 163 
 164         str = malloc(strlen(option) + 3);
 165         snprintf(str, strlen(option) + 3, "--%s", option);
 166         tmp = str;
 167         while (*tmp) {
 168                 if (*tmp == '_')
 169                         *tmp = '-';
 170                 tmp++;
 171         }
 172         if (!strcmp(arg, str))
 173                 ret = 1;
 174         free(str);
 175         return ret;
 176 }
 177 
 178 #define OPTION(_x) do {                                 \
 179         if (match_option((*argvp)[i], #_x)) {           \
 180                 option_##_x = 1;                        \
 181         }                                               \
 182 } while (0)
 183 
 184 void parse_args(int *argcp, char ***argvp)
 185 {
 186         int i;
 187 
 188         for (i = 1 ; i < *argcp; i++) {
 189                 if (!strcmp((*argvp)[i], "--help"))
 190                         help();
 191 
 192                 if (!strcmp((*argvp)[i], "--show-checks"))
 193                         show_checks();
 194 
 195                 if (!strncmp((*argvp)[i], "--project=", 10))
 196                         option_project_str = (*argvp)[i] + 10;
 197 
 198                 if (!strncmp((*argvp)[i], "-p=", 3))
 199                         option_project_str = (*argvp)[i] + 3;


 214                         enable_disable_checks((*argvp)[i] + 9, 1);
 215                         option_enable = 1;
 216                 }
 217 
 218                 if (strncmp((*argvp)[i], "--disable=", 10) == 0) {
 219                         enable_disable_checks((*argvp)[i] + 10, 0);
 220                         option_enable = 1;
 221                         option_disable = 1;
 222                 }
 223 
 224                 if (!strncmp((*argvp)[i], "--timeout=", 10)) {
 225                         if (sscanf((*argvp)[i] + 10, "%d",
 226                             &option_timeout) != 1)
 227                                 sm_fatal("invalid option %s", (*argvp)[i]);
 228                 }
 229 
 230                 OPTION(fatal_checks);
 231                 OPTION(spammy);
 232                 OPTION(info);
 233                 OPTION(debug);
 234                 OPTION(debug_implied);
 235                 OPTION(debug_related);
 236                 OPTION(assume_loops);
 237                 OPTION(no_data);
 238                 OPTION(two_passes);
 239                 OPTION(full_path);
 240                 OPTION(param_mapper);
 241                 OPTION(call_tree);
 242                 OPTION(file_output);
 243                 OPTION(time);
 244                 OPTION(mem);
 245                 OPTION(no_db);
 246                 OPTION(succeed);
 247         }
 248 
 249         if (strcmp(option_project_str, "smatch_generic") != 0)
 250                 option_project = PROJ_UNKNOWN;
 251 
 252         if (strcmp(option_project_str, "kernel") == 0)
 253                 option_project = PROJ_KERNEL;
 254         else if (strcmp(option_project_str, "wine") == 0)
 255                 option_project = PROJ_WINE;


 305         strncpy(buf, bin_dir, 254);
 306 
 307         buf[255] = '\0';
 308         strncat(buf, "/smatch_data/", 254 - strlen(buf));
 309         dir = alloc_string(buf);
 310         if (!access(dir, R_OK))
 311                 return dir;
 312         free_string(dir);
 313         snprintf(buf, 254, "%s/smatch_data/", SMATCHDATADIR);
 314         dir = alloc_string(buf);
 315         if (!access(dir, R_OK))
 316                 return dir;
 317 
 318         sm_warning("%s is not accessible.", dir);
 319         sm_warning("Use --no-data or --data to suppress this message.");
 320         return NULL;
 321 }
 322 
 323 int main(int argc, char **argv)
 324 {

 325         int i;
 326         reg_func func;
 327 
 328         sm_outfd = stdout;
 329         sql_outfd = stdout;
 330         caller_info_fd = stdout;
 331 
 332         progname = argv[0];
 333 
 334         parse_args(&argc, &argv);
 335 
 336         if (argc < 2)
 337                 help();
 338 
 339         /* this gets set back to zero when we parse the first function */
 340         final_pass = 1;
 341 
 342         bin_dir = get_bin_dir(argv[0]);
 343         data_dir = get_data_dir(argv[0]);
 344 
 345         allocate_hook_memory();

 346         create_function_hook_hash();
 347         open_smatch_db(option_db_file);



 348         for (i = 1; i < ARRAY_SIZE(reg_funcs); i++) {
 349                 func = reg_funcs[i].func;
 350                 /* The script IDs start at 1.
 351                    0 is used for internal stuff. */
 352                 if (!option_enable || reg_funcs[i].enabled == 1 ||
 353                     (option_disable && reg_funcs[i].enabled != -1) ||
 354                     strncmp(reg_funcs[i].name, "register_", 9) == 0)
 355                         func(i);
 356         }
 357 
 358         smatch(argc, argv);
 359         free_string(data_dir);
 360 
 361         if (option_succeed)
 362                 return 0;
 363         if (sm_nr_errors > 0)
 364                 return 1;
 365         if (sm_nr_checks > 0 && option_fatal_checks)
 366                 return 1;
 367         return 0;
 368 }


   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
  16  *
  17  * Copyright 2019 Joyent, Inc.
  18  */
  19 
  20 #include <stdio.h>
  21 #include <unistd.h>
  22 #include <libgen.h>
  23 #include "smatch.h"
  24 #include "smatch_slist.h"
  25 #include "check_list.h"
  26 
  27 char *option_debug_check = (char *)"";
  28 char *option_project_str = (char *)"smatch_generic";
  29 static char *option_db_file = (char *)"smatch_db.sqlite";
  30 enum project_type option_project = PROJ_NONE;
  31 char *bin_dir;
  32 char *data_dir;
  33 int option_no_data = 0;
  34 int option_spammy = 0;
  35 int option_info = 0;
  36 int option_full_path = 0;
  37 int option_param_mapper = 0;
  38 int option_call_tree = 0;
  39 int option_no_db = 0;
  40 int option_enable = 0;
  41 int option_disable = 0;

  42 int option_file_output;
  43 int option_time;
  44 int option_mem;
  45 char *option_datadir_str;
  46 int option_fatal_checks;
  47 int option_succeed;
  48 int option_timeout = 60;
  49 
  50 FILE *sm_outfd;
  51 FILE *sql_outfd;
  52 FILE *caller_info_fd;
  53 
  54 int sm_nr_errors;
  55 int sm_nr_checks;
  56 
  57 bool __silence_warnings_for_stmt;
  58 
  59 const char *progname;
  60 
  61 typedef void (*reg_func) (int id);


 159 {
 160         char *str;
 161         char *tmp;
 162         int ret = 0;
 163 
 164         str = malloc(strlen(option) + 3);
 165         snprintf(str, strlen(option) + 3, "--%s", option);
 166         tmp = str;
 167         while (*tmp) {
 168                 if (*tmp == '_')
 169                         *tmp = '-';
 170                 tmp++;
 171         }
 172         if (!strcmp(arg, str))
 173                 ret = 1;
 174         free(str);
 175         return ret;
 176 }
 177 
 178 #define OPTION(_x) do {                                 \
 179         if (match_option((*argvp)[1], #_x)) {           \
 180                 option_##_x = 1;                        \
 181         }                                               \
 182 } while (0)
 183 
 184 void parse_args(int *argcp, char ***argvp)
 185 {
 186         int i;
 187 
 188         for (i = 1 ; i < *argcp; i++) {
 189                 if (!strcmp((*argvp)[i], "--help"))
 190                         help();
 191 
 192                 if (!strcmp((*argvp)[i], "--show-checks"))
 193                         show_checks();
 194 
 195                 if (!strncmp((*argvp)[i], "--project=", 10))
 196                         option_project_str = (*argvp)[i] + 10;
 197 
 198                 if (!strncmp((*argvp)[i], "-p=", 3))
 199                         option_project_str = (*argvp)[i] + 3;


 214                         enable_disable_checks((*argvp)[i] + 9, 1);
 215                         option_enable = 1;
 216                 }
 217 
 218                 if (strncmp((*argvp)[i], "--disable=", 10) == 0) {
 219                         enable_disable_checks((*argvp)[i] + 10, 0);
 220                         option_enable = 1;
 221                         option_disable = 1;
 222                 }
 223 
 224                 if (!strncmp((*argvp)[i], "--timeout=", 10)) {
 225                         if (sscanf((*argvp)[i] + 10, "%d",
 226                             &option_timeout) != 1)
 227                                 sm_fatal("invalid option %s", (*argvp)[i]);
 228                 }
 229 
 230                 OPTION(fatal_checks);
 231                 OPTION(spammy);
 232                 OPTION(info);
 233                 OPTION(debug);


 234                 OPTION(assume_loops);
 235                 OPTION(no_data);
 236                 OPTION(two_passes);
 237                 OPTION(full_path);
 238                 OPTION(param_mapper);
 239                 OPTION(call_tree);
 240                 OPTION(file_output);
 241                 OPTION(time);
 242                 OPTION(mem);
 243                 OPTION(no_db);
 244                 OPTION(succeed);
 245         }
 246 
 247         if (strcmp(option_project_str, "smatch_generic") != 0)
 248                 option_project = PROJ_UNKNOWN;
 249 
 250         if (strcmp(option_project_str, "kernel") == 0)
 251                 option_project = PROJ_KERNEL;
 252         else if (strcmp(option_project_str, "wine") == 0)
 253                 option_project = PROJ_WINE;


 303         strncpy(buf, bin_dir, 254);
 304 
 305         buf[255] = '\0';
 306         strncat(buf, "/smatch_data/", 254 - strlen(buf));
 307         dir = alloc_string(buf);
 308         if (!access(dir, R_OK))
 309                 return dir;
 310         free_string(dir);
 311         snprintf(buf, 254, "%s/smatch_data/", SMATCHDATADIR);
 312         dir = alloc_string(buf);
 313         if (!access(dir, R_OK))
 314                 return dir;
 315 
 316         sm_warning("%s is not accessible.", dir);
 317         sm_warning("Use --no-data or --data to suppress this message.");
 318         return NULL;
 319 }
 320 
 321 int main(int argc, char **argv)
 322 {
 323         struct string_list *filelist = NULL;
 324         int i;
 325         reg_func func;
 326 
 327         sm_outfd = stdout;
 328         sql_outfd = stdout;
 329         caller_info_fd = stdout;
 330 
 331         progname = argv[0];
 332 
 333         parse_args(&argc, &argv);
 334 
 335         if (argc < 2)
 336                 help();
 337 
 338         /* this gets set back to zero when we parse the first function */
 339         final_pass = 1;
 340 
 341         bin_dir = get_bin_dir(argv[0]);
 342         data_dir = get_data_dir(argv[0]);
 343 
 344         allocate_hook_memory();
 345         allocate_dynamic_states_array(num_checks);
 346         create_function_hook_hash();
 347         open_smatch_db(option_db_file);
 348         sparse_initialize(argc, argv, &filelist);
 349         alloc_valid_ptr_rl();
 350 
 351         for (i = 1; i < ARRAY_SIZE(reg_funcs); i++) {
 352                 func = reg_funcs[i].func;
 353                 /* The script IDs start at 1.
 354                    0 is used for internal stuff. */
 355                 if (!option_enable || reg_funcs[i].enabled == 1 ||
 356                     (option_disable && reg_funcs[i].enabled != -1) ||
 357                     strncmp(reg_funcs[i].name, "register_", 9) == 0)
 358                         func(i);
 359         }
 360 
 361         smatch(filelist);
 362         free_string(data_dir);
 363 
 364         if (option_succeed)
 365                 return 0;
 366         if (sm_nr_errors > 0)
 367                 return 1;
 368         if (sm_nr_checks > 0 && option_fatal_checks)
 369                 return 1;
 370         return 0;
 371 }