/* Copyright (c) 2004-2010, Dirk Krause All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the Dirk Krause nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dksavepw.c The dksavepw program. */ #include #include #include #if DK_HAVE_UNISTD_H #include #endif #if DK_HAVE_TERMIOS_H #include #endif #if DK_HAVE_SYS_TERMIOS_H #include #endif #if DK_HAVE_SYS_TTOLD_H #include #endif #if DK_HAVE_WINCON_H #include #endif #include #include #include #include #include #include "dktools-version.h" #line 75 "dksavepw.ctr" /* Name of the package including the program */ #ifndef PACKAGE_NAME /** Application group name. */ #define PACKAGE_NAME "dktools" #endif /** Buffer length for password buffers. */ #define PASSWD_BUFFER_LENGTH 64 /** Dksavepw job. */ typedef struct { dk_app_t *app; /**< Application. */ char *b1; /**< Buffer 1. */ char *b2; /**< Buffer 2. */ char **argv; /**< Command line arguments array. */ char **msg; /**< Localized messages. */ char *outfilename; /**< output file name. */ int action; /**< Action (ACTION_xxx). */ size_t bs; /**< Size of \a b1 and \a b2. */ int argc; /**< Number of command line arguments. */ int fl; /**< Flags. */ } SavePasswdCmd; /** Flag: Force operation if failed to disable keyboard echo. */ #define FLAG_FORCE 1 /** Flag: Write newline after password. */ #define FLAG_NEWLINE 2 /** Flag: Have TTY. */ #define FLAG_TTY 4 /** Flag: Have TERMIOS. */ #define FLAG_HAVE_TERMIOS 8 /** Action: Show help text. */ #define ACTION_HELP 1 /** Action: Show version and license. */ #define ACTION_VERSION 2 /** Action: Configure (save preferences). */ #define ACTION_CONFIGURE 4 /** Action: Unconfigure (forget preferences). */ #define ACTION_UNCONFIGURE 8 /** Action: Show configuration. */ #define ACTION_SHOWCONF 16 /** Application group name. */ static char packageName[] = { PACKAGE_NAME }; /** System configuration directory. */ static char sysconfdir[] = { DK_SYSCONFDIR }; /** Key value pairs for message names and default texts. */ static dk_key_value_t kv[] = { { "/m/00", "Warning: Failed to turn keyboard echo off!" }, { "/m/01", "Do you want to continue?" }, { "/m/02", "0 ... No, I don't." }, { "/m/03", "1 ... Yes, I do." }, { "/m/04", "Please enter the password: " }, { "/m/05", "Please re-type the password: " }, { "/m/06", "Password mismatch." }, { "/m/07", "Password successfully saved to file." }, { "/m/08", "Force operation if keyboard echo can not be turned off" }, { "/m/09", "Write newline after password" }, { "/m/10", "Current configuration:" }, { "/m/11", "on" }, { "/m/12", "off" }, { "/m/13", "Missing output file name." } }; /** Number of entries in message key/value pairs. */ static size_t szkv = sizeof(kv)/sizeof(dk_key_value_t); /** Long options. */ static char *long_opt_kw[] = { "f$orce", "n$ewline", "v$ersion", "h$elp", "c$onfigure", "u$nconfigure", "s$how-configuration", "r$eset", NULL }; /** Preference key whether or not to force operation. */ static char pk_force[] = { "/force" }; /** Preference key whether or not to store newline. */ static char pk_newline[] = { "/newline" }; /** Preference value: "yes". */ static char pv_yes[] = { "yes" }; /** Preference value: "no". */ static char pv_no[] = { "no" }; /** Check whether or not to run silently. @param argc Number of command line arguments. @param argv Command line arguments array. @param rs Pointer to result variable (silently). @param rf Pointer to result variable (filter). */ static void silence_check DK_P4(int,argc,char **,argv,int *,rs,int *,rf) { int i, filenames; char *ptr, **lfdptr; filenames = 0; lfdptr = argv; lfdptr++; i = 1; while(i < argc) { ptr = *lfdptr; if(*ptr == '-') { ptr++; if(*ptr == 's') { *rs = 1; } } else { filenames++; } i++; lfdptr++; } if(filenames < 1) { *rf = 1; } } /** Set an option. @param old Previous options value. @param fl Bit to set or remove. @param s String containing a boolean value. @return Modified options value. */ static int set_option DK_P3(int,old,int,fl,char *,s) { int back; back = old; if(s) { if(*s) { if(dkstr_is_on(s)) { back |= fl; } else { back &= (~fl); } } else { back |= fl; } } else { back |= fl; } return back; } /** Retrieve one setting from preferences, convert to int. @param cmd Dksavepw job. @param pk Preference key. @param f Flags value to add. */ static void one_option DK_P3(SavePasswdCmd *,cmd, char *,pk, int,f) { char buffer[128], *ptr; if(dkapp_get_pref(cmd->app, pk, buffer, sizeof(buffer), 0)) { ptr = dkstr_start(buffer, NULL); if(ptr) { dkstr_chomp(ptr, NULL); if(dkstr_is_bool(ptr)) { if(dkstr_is_on(ptr)) { cmd->fl |= f; } else { cmd->fl &= (~(f)); } } } } } /** Read settings from preferences. @param cmd Dksavepw job. */ static void read_prefs DK_P1(SavePasswdCmd *,cmd) { one_option(cmd, pk_force, FLAG_FORCE); one_option(cmd, pk_newline, FLAG_NEWLINE); } /** Write one setting to preference. @param cmd Dksavepw job. @param pk Preference key. @param f Flag to write. */ static void write_one DK_P3(SavePasswdCmd *,cmd, char *,pk, int,f) { if(f) { dkapp_set_pref(cmd->app, pk, pv_yes); } else { dkapp_set_pref(cmd->app, pk, pv_no); } } /** Write settings to preferences. @param cmd Dksavepw job. */ static void write_prefs DK_P1(SavePasswdCmd *,cmd) { write_one(cmd, pk_force, ((cmd->fl) & FLAG_FORCE)); write_one(cmd, pk_newline, ((cmd->fl) & FLAG_NEWLINE)); } /** Ask user whether or not to proceed if keyboard echo not diabled. @param cmd Dksavepw job. @return 1=yes, 0=no. */ static int ask_for_unsecure_operation DK_P1(SavePasswdCmd *,cmd) { int back = 0; int i; char buffer[32], *ptr; for(i = 0; i < 4; i++) { fputs((cmd->msg)[i], stdout); fputc('\n', stdout); } if(fgets(buffer, sizeof(buffer), stdin)) { ptr = dkstr_start(buffer, NULL); if(ptr) { dkstr_chomp(ptr, NULL); if(dkstr_is_on(ptr)) { back = 1; } } } return back; } /** Get password and save it. @param cmd Dksavepw job. @param ep Keyboard echo disabler. @return 1 on success, 0 on error. */ static int get_pw_and_save DK_P2(SavePasswdCmd *,cmd, dk_echo_t *,ep) { int back = 0; char *ptr1, *ptr2; if(dksf_echo_is_tty(ep)) { fputs((cmd->msg)[4], stdout); } if(fgets(cmd->b1, cmd->bs, stdin)) { #if !DK_HAVE_TCGETATTR #ifndef TCGETS #if DK_HAVE_GETSTDHANDLE fputc('\n', stdout); #endif #endif #endif if(dksf_echo_is_tty(ep)) { fputs((cmd->msg)[5], stdout); } if(fgets(cmd->b2, cmd->bs, stdin)) { ptr1 = dkstr_start(cmd->b1, NULL); ptr2 = dkstr_start(cmd->b2, NULL); if(ptr1 && ptr2) { dkstr_chomp(ptr1, NULL); dkstr_chomp(ptr2, NULL); if(strcmp(ptr1, ptr2) == 0) { FILE *fipo; fipo = dkapp_fopen(cmd->app, cmd->outfilename, "w"); if(fipo) { char *x[3]; fputs(ptr1, fipo); if((cmd->fl) & FLAG_NEWLINE) { fputc('\n', fipo); } x[0] = (cmd->msg)[7]; fclose(fipo); fipo = NULL; dkapp_log_msg(cmd->app, DK_LOG_LEVEL_INFO, x, 1); } else { dkapp_err_fopenw(cmd->app, cmd->outfilename); } } else { char *x[3]; x[0] = (cmd->msg)[6]; dkapp_log_msg(cmd->app, DK_LOG_LEVEL_ERROR, x, 1); } } } } return back; } /** Get the password and save it, disable keyboard echo. @param cmd Dksavepw job. @return 1 on success, 0 on error. */ static int get_the_password DK_P1(SavePasswdCmd *,cmd) { int back = 0; dk_echo_t echodata; if(dksf_echo_test_tty()) { if(dksf_echo_save(&echodata)) { if(dksf_echo_off(&echodata)) { back = get_pw_and_save(cmd,&echodata); } else { if(ask_for_unsecure_operation(cmd)) { back = get_pw_and_save(cmd,&echodata); } } dksf_echo_restore(&echodata); } else { if(ask_for_unsecure_operation(cmd)) { back = get_pw_and_save(cmd,&echodata); } } } else { back = get_pw_and_save(cmd,&echodata); } return back; } /** Reset job. @param cmd Dksavepw job. */ static void reset_cmd DK_P1(SavePasswdCmd *,cmd) { cmd->fl &= (~(FLAG_FORCE | FLAG_NEWLINE)); } /** Text for version number and used libraries. */ static char *version_text[] = { "", "dksavepw (part of the dktools collection, version " VERSNUMB ")", "Copyright (C) 2004-2010 Dipl.-Ing. D. Krause", "http://dktools.sourceforge.net/", "", "Redistribution and use in source and binary forms, with or without", "modification, are permitted provided that the following conditions are met:", "* Redistributions of source code must retain the above copyright notice, this", " list of conditions and the following disclaimer.", "* Redistributions in binary form must reproduce the above copyright notice,", " this list of conditions and the following disclaimer in the documentation", " and/or other materials provided with the distribution.", "* Neither the name of the Dirk Krause nor the names of other contributors may", " be used to endorse or promote products derived from this software without", " specific prior written permission.", "THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"", "AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE", "IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE", "ARE DISCLAIMED.", "IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY", "DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES", "(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;", "LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND", "ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT", "(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS", "SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.", NULL }; /** Print version number. @param cmd Dksavepw job. */ static void print_version DK_P1(SavePasswdCmd *,cmd) { char **ptr; ptr = version_text; while(*ptr) { fputs(*ptr, stdout); fputc('\n', stdout); ptr++; } } /** Help text. */ static char *help_text[] = { "dksavepw - Enter a password and save to file", "--------------------------------------------", "-f Force operation, even if the keyboard echo can not be turned off", "-n Add newline after password", "", NULL }; /** Print help text. @param cmd Dksavepw job. */ static void print_help DK_P1(SavePasswdCmd *,cmd) { dkapp_help(cmd->app, "dksavepw.txt", help_text); } /** Multiple spaces. */ static char spaces[] = { " " }; /** Print on "on" or "off" value. @param cmd Dksavepw job. @param f Flag (on or off). @param m Screen space for value. */ static void print_on_off DK_P3(SavePasswdCmd *,cmd, int,f, size_t,m) { size_t sz; if(f) { fputs((cmd->msg)[11], stdout); sz = strlen((cmd->msg)[11]); } else { fputs((cmd->msg)[12], stdout); sz = strlen((cmd->msg)[12]); } while(sz++ < m) fputc(' ', stdout); } /** Show current configuration. @param cmd Dksavepw job. */ static void show_configuration DK_P1(SavePasswdCmd *,cmd) { size_t sz, max; max = sz = strlen((cmd->msg)[11]); sz = strlen((cmd->msg)[12]); if(sz > max) max = sz; fputs((cmd->msg)[10], stdout); fputc('\n', stdout); fputs("-f", stdout); fputs(spaces, stdout); print_on_off(cmd, ((cmd->fl) & FLAG_FORCE), max); fputs(spaces, stdout); fputs((cmd->msg)[8], stdout); fputc('\n', stdout); fputs("-n", stdout); fputs(spaces, stdout); print_on_off(cmd, ((cmd->fl) & FLAG_NEWLINE), max); fputs(spaces, stdout); fputs((cmd->msg)[9], stdout); fputc('\n', stdout); } /** Run. @param cmd Dksavepw job. @return 1 on success, 0 on error. */ static int run_main DK_P1(SavePasswdCmd *,cmd) { int back = 0; int i; char *ptr, **lfdptr, *arg; lfdptr = cmd->argv; lfdptr++; i = 1; while(i < cmd->argc) { ptr = *lfdptr; if(*ptr == '-') { ptr++; if(*ptr == '-') { ptr++; arg = strchr(ptr, '='); if(arg) { *(arg++) = '\0'; } switch(dkstr_array_abbr(long_opt_kw, ptr, '$', 0)) { case 0: { /* force */ cmd->fl = set_option(cmd->fl, FLAG_FORCE, arg); } break; case 1: { /* newline */ cmd->fl = set_option(cmd->fl, FLAG_NEWLINE, arg); } break; case 2: { /* version */ cmd->action |= ACTION_VERSION; } break; case 3: { /* help */ cmd->action |= ACTION_HELP; } break; case 4: { /* configure */ cmd->action |= ACTION_CONFIGURE; } break; case 5: { /* unconfigure */ cmd->action |= ACTION_UNCONFIGURE; } break; case 6: { /* show-configuration */ cmd->action |= ACTION_SHOWCONF; } break; case 7: { /* reset */ reset_cmd(cmd); } break; } } else { switch(*ptr) { case 'f' : { ptr++; cmd->fl = set_option(cmd->fl, FLAG_FORCE, ptr); } break; case 'n' : { ptr++; cmd->fl = set_option(cmd->fl, FLAG_NEWLINE, ptr); } break; case 'v' : { cmd->action |= ACTION_VERSION; } break; case 'h' : { cmd->action |= ACTION_HELP; } break; case 'c' : { cmd->action |= ACTION_CONFIGURE; } break; case 'C' : { cmd->action |= ACTION_SHOWCONF; } break; case 'u' : { cmd->action |= ACTION_UNCONFIGURE; } break; case 'r' : { reset_cmd(cmd); } break; } } } else { if(!(cmd->outfilename)) { cmd->outfilename = ptr; } else { } } lfdptr++; i++; } /* if(cmd->outfilename) { back = get_the_password(cmd); } else { $? "! error: no output file name" } */ if((cmd->action) & (ACTION_HELP | ACTION_VERSION)) { print_version(cmd); if((cmd->action) & ACTION_HELP) { print_help(cmd); } back = 1; } else { if((cmd->action) & (ACTION_CONFIGURE | ACTION_UNCONFIGURE | ACTION_SHOWCONF)) { if((cmd->action) & ACTION_CONFIGURE) { write_prefs(cmd); back = 1; } else { if((cmd->action) & ACTION_UNCONFIGURE) { dkapp_unconfigure(cmd->app); reset_cmd(cmd); } else { } } show_configuration(cmd); } else { if(cmd->outfilename) { back = get_the_password(cmd); } else { char *x[3]; x[0] = (cmd->msg)[13]; dkapp_log_msg(cmd->app, DK_LOG_LEVEL_ERROR, x, 1); } } } return back; } /** The main() function of the dksavepw program. @param argc Number of command line arguments. @param argv Command line arguments array. @return 0 on success, any other value indicates an error. */ #if DK_HAVE_PROTOTYPES int main(int argc, char *argv[]) #else int main(argc, argv) int argc; char *argv[]; #endif { int exval = 0; int rs = 0, rf = 0; SavePasswdCmd cmd; char buffer1[PASSWD_BUFFER_LENGTH]; char buffer2[sizeof(buffer1)]; #line 763 "dksavepw.ctr" /* initialize cmd structure */ DK_MEMRES(&cmd,sizeof(SavePasswdCmd)) ; cmd.b1 = buffer1; cmd.b2 = buffer2; cmd.bs = sizeof(buffer1); cmd.outfilename = NULL; cmd.action = 0; /* create application structure */ silence_check(argc, argv, &rs, &rf); if(!rs) { rs = dkapp_silence_check(argc,argv); } cmd.app = dkapp_open_ext1(argc, argv, packageName, sysconfdir, rs, rf); if(cmd.app) { cmd.argc = dkapp_get_argc(cmd.app); cmd.argv = dkapp_get_argv(cmd.app); cmd.msg = dkapp_find_key_value(cmd.app, kv, szkv, "dksavepw"); if(cmd.msg) { char **cp; read_prefs(&cmd); exval = run_main(&cmd); cp = cmd.msg; dk_delete(cp); cmd.msg = NULL; } else { } dkapp_close(cmd.app); cmd.app = NULL; } else { } exval = (exval ? 0 : 1); #line 788 "dksavepw.ctr" exit(exval); return exval; }