X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fserver%2Fhandler_door.c;h=968c3b85a84f721c0999d6503ce9fb8a8716f386;hb=34beae3150e617103a1709ef5ba09d2d93f0ef0d;hp=c132e07f8a2b4c46d76303d8095f5bd665e22214;hpb=99cf95b138082d1c02705682ad0dfd8b67a27ac4;p=tpg%2Fopendispense2.git diff --git a/src/server/handler_door.c b/src/server/handler_door.c index c132e07..968c3b8 100644 --- a/src/server/handler_door.c +++ b/src/server/handler_door.c @@ -7,12 +7,21 @@ * This file is licenced under the 3-clause BSD Licence. See the file * COPYING for full details. */ +#define DEBUG 1 +#define USE_POPEN 0 + #include "common.h" #include #include #include #include #include +#include +#if !USE_POPEN +# include +#endif + +#define DOOR_UNLOCKED_DELAY 10 // 10 seconds before it re-locks // === IMPORTS === @@ -28,17 +37,11 @@ tHandler gDoor_Handler = { Door_CanDispense, Door_DoDispense }; -//char *gsDoor_SerialPort = "/dev/ttyS0"; -// int giDoor_SerialFD; +char *gsDoor_Password = ""; // == CODE === -int Door_InitHandler() -{ -// printf("connecting to door...\n"); -// giDoor_SerialFD = open(gsDoor_SerialPort, O_RDWR); -// if( giDoor_SerialFD == -1 ) { -// fprintf(stderr, "ERROR: Unable to open coke serial port ('%s')\n", gsDoor_SerialPort); -// } +int Door_InitHandler(void) +{ return 0; } @@ -46,8 +49,23 @@ int Door_InitHandler() */ int Door_CanDispense(int User, int Item) { + #if DEBUG + printf("Door_CanDispense: (User=%i,Item=%i)\n", User, Item); + #endif // Sanity please - if( Item == 0 ) return -1; + if( Item != 0 ) return -1; + + if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) ) + { + #if DEBUG + printf("Door_CanDispense: User %i not in door\n", User); + #endif + return 1; + } + + #if DEBUG + printf("Door_CanDispense: User %i can open the door\n", User); + #endif return 0; } @@ -57,15 +75,131 @@ int Door_CanDispense(int User, int Item) */ int Door_DoDispense(int User, int Item) { - char tmp[32], *status; - regmatch_t matches[4]; - + FILE *child_stdin; + char buf[512]; + #if !USE_POPEN + int stdin_pair[2]; + int stdout_pair[2]; + pid_t childPid; + #endif + + #if DEBUG + printf("Door_DoDispense: (User=%i,Item=%i)\n", User, Item); + #endif + // Sanity please if( Item != 0 ) return -1; + // Check if user is in door + if( !(Bank_GetFlags(User) & USER_FLAG_DOORGROUP) ) + { + #if DEBUG + printf("Door_CanDispense: User %i not in door\n", User); + #endif + return 1; + } + + #if !USE_POPEN + // Create stdin/stdout + if( pipe(stdin_pair) || pipe(stdout_pair) ) + { + perror("pipe"); + return -1; + } + + childPid = fork(); + + if( childPid < 0 ) + { + perror("fork"); + return -1; + } + + // Child process + if( childPid == 0 ) + { + // Close write end of stdin, and set it to #0 + close(stdin_pair[1]); dup2(stdin_pair[0], 0); + // Close read end of stdout, and set it to #1 + close(stdout_pair[0]); dup2(stdout_pair[1], 1); + + execl("/bin/sh", "sh", "-c", "llogin door -w-", NULL); + perror("execl"); + exit(-1); + } + + child_stdin = fdopen(stdin_pair[1], "w"); + close(stdin_pair[0]); // child stdin read + close(stdout_pair[1]); // child stdout write + + #else // llogin or other + child_stdin = popen("llogin door -w -", "w"); + if( !child_stdin || child_stdin == (void*)-1 ) { + #if DEBUG + printf("Door_DoDispense: llogin failure\n"); + #endif + return -1; + } + #endif + + if(fread(buf, 1, 512, child_stdin) == 0) { + #if DEBUG + printf("Door_DoDispense: fread fail\n"); + #endif + return -1; + } + + // Send password + if( fputs(gsDoor_Password, child_stdin) <= 0 ) { + #if DEBUG + printf("Door_DoDispense: fputs password\n"); + #endif + return -1; + } + fputs("\n", child_stdin); + + + #if DEBUG + printf("Door_DoDispense: Door unlock\n"); + #endif + + // ATH1 - Unlock door + if( fputs("ATH1\n", child_stdin) <= 0) { + #if DEBUG + printf("Door_DoDispense: fputs unlock\n"); + #endif + return -1; + } + + // Wait before re-locking + sleep(DOOR_UNLOCKED_DELAY); + + + #if DEBUG + printf("Door_DoDispense: Door re-lock\n"); + #endif + + // Re-lock the door + if( fputs("ATH0\n", child_stdin) <= 0 ) { + #if DEBUG + printf("Door_DoDispense: fputs lock\n"); + #endif + return -1; + } + + #if !USE_POPEN + fclose(child_stdin); + close(stdin_pair[1]); // child stdin write + close(stdout_pair[0]); // child stdout read + #else + pclose(child_stdin); + #endif + + #if DEBUG + printf("Door_DoDispense: User %i opened door\n", User); + #endif return 0; } -