src/util-misc.h

   1 /*
   2     Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
   3     Ben Kibbey <bjk@luxsci.net>
   4
   5     This file is part of pwmd.
   6
   7     Pwmd is free software: you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation, either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Pwmd is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with Pwmd.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20 #ifndef MISC_H
  21 #define MISC_H
  22
  23 #include <pthread.h>
  24 #include "rcfile.h"
  25
  26 #ifdef HAVE_BACKTRACE
  27 #include <execinfo.h>
  28 #include <syslog.h>
  29 #define BACKTRACE_COUNT 20
  30 #define BACKTRACE(fn)   do {                                            \
  31         int n, nptrs;                                                   \
  32         char **strings;                                                 \
  33         void *buffer[BACKTRACE_COUNT];                                  \
  34         nptrs = backtrace(buffer, BACKTRACE_COUNT);                     \
  35         strings = backtrace_symbols(buffer, nptrs);                     \
  36         for (n = 0; n < nptrs; n++)                                     \
  37             log_write("BACKTRACE: (%s) %i: %s", fn, n, strings[n]);     \
  38     } while (0)
  39 #endif
  40
  41 #define log_write0 log_write
  42
  43 #define log_write1(...) do { \
  44         if (config_get_integer("global", "log_level") >= 1)     \
  45             log_write(__VA_ARGS__);                             \
  46     } while (0)
  47
  48 #define log_write2(...) do {                                    \
  49         if (config_get_integer("global", "log_level") >= 2)     \
  50             log_write(__VA_ARGS__);                             \
  51     } while (0)
  52
  53 typedef enum
  54 {
  55   OPTION_TYPE_NOARG,
  56   OPTION_TYPE_ARG,
  57   OPTION_TYPE_OPTARG,
  58 } option_type_t;
  59
  60 struct argv_s
  61 {
  62   const char *opt;
  63   option_type_t type;
  64   gpg_error_t (*func) (void *data, void *value);
  65 };
  66
  67 typedef struct
  68 {
  69   size_t len;
  70   void *buf;
  71 } membuf_t;
  72
  73 char *home_directory;
  74
  75 gpg_error_t parse_options (char **line, struct argv_s *args[], void *data);
  76 int valid_filename (const char *filename);
  77 char *expand_homedir (char *str);
  78 char *bin2hex (const unsigned char *data, size_t len);
  79 char *plus_escape (const char *fmt, ...);
  80 char *strip_texi_and_wrap (const char *str);
  81 void free_key (void *data);
  82 gpg_error_t create_thread (void *(*cb) (void *), void *data,
  83                            pthread_t * tid, int detached);
  84 void cleanup_mutex_cb (void *arg);
  85 void cleanup_fd_cb (void *arg);
  86 void cleanup_unlink_cb (void *arg);
  87 void cleanup_cancel_cb (void *arg);
  88 void cleanup_cache_mutex (void *arg);
  89 int valid_keygrip (const unsigned char *data, size_t len);
  90 gpg_error_t get_checksum (const char *filename, unsigned char **r_crc,
  91                           size_t * r_crclen);
  92 char *get_username ();
  93 char *get_home_dir ();
  94
  95 #endif