X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fclient%2Fmain.c;h=c1883b4f14bf86eb619e46edc9b2e52b0361a8bf;hb=2f6ba83a4dbe0c6c9cfdd991f0f72f2a4f018b27;hp=d7a8e49a0fe0ad091a0251f902703ecb49107a89;hpb=135e5ad4cc018ec05d1118e4d40be5c51db3f293;p=tpg%2Fopendispense2.git diff --git a/src/client/main.c b/src/client/main.c index d7a8e49..c1883b4 100644 --- a/src/client/main.c +++ b/src/client/main.c @@ -97,7 +97,7 @@ char *trim(char *string); void CompileRegex(regex_t *regex, const char *pattern, int flags); // === GLOBALS === -char *gsDispenseServer = "heathred"; +char *gsDispenseServer = "merlo.ucc.gu.uwa.edu.au"; int giDispensePort = 11020; tItem *gaItems; @@ -107,14 +107,19 @@ regex_t gArrayRegex, gItemRegex, gSaltRegex, gUserInfoRegex, gUserItemIdentRegex char *gsItemPattern; //!< Item pattern char *gsEffectiveUser; //!< '-u' Dispense as another user + int giUIMode = UI_MODE_STANDARD; int gbDryRun = 0; //!< '-n' Read-only + int gbDisallowSelectWithoutBalance = 1; //!< Don't allow items to be hilighted if not affordable + int giMinimumBalance = INT_MIN; //!< '-m' Minumum balance for `dispense acct` int giMaximumBalance = INT_MAX; //!< '-M' Maximum balance for `dispense acct` -char *gsUserName; //!< User that dispense will happen as + + char *gsUserName; //!< User that dispense will happen as char *gsUserFlags; //!< User's flag set - int giUserBalance=-1; //!< User balance (set by Authenticate) + int giUserBalance = -1; //!< User balance (set by Authenticate) int giDispenseCount = 1; //!< Number of dispenses to do + char *gsTextArgs[MAX_TXT_ARGS]; int giTextArgc; @@ -129,16 +134,18 @@ void ShowUsage(void) " Show interactive list\n" " dispense ||\n" " Dispense named item ( matches if it is a unique prefix)\n" + " dispense finger\n" + " Show the finger output\n" ); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "give") == 0 ) printf( - " dispense give \"\"\n" + " dispense give \"\"\n" " Give money to another user\n" ); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "donate") == 0 ) printf( - " dispense donate \"\"\n" + " dispense donate \"\"\n" " Donate to the club\n" ); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "iteminfo") == 0 ) @@ -146,21 +153,28 @@ void ShowUsage(void) " dispense iteminfo \n" " Get the name and price for an item\n" ); +// if( giTextArgc == 0 || strcmp(gsTextArgs[0], "enumitems") == 0 ) +// printf( +// " dispense enumitems\n" +// " List avaliable items\n" +// ); if( giTextArgc == 0 ) printf(" == Coke members == \n"); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "acct") == 0 ) printf( " dispense acct []\n" " Show user balances\n" - " dispense acct [+-] \"\"\n" + " dispense acct [+-] \"\"\n" " Alter a account value\n" - " dispense acct = \"\"\n" + " dispense acct = \"\"\n" " Set an account balance\n" ); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "refund") == 0 ) printf( " dispense refund []\n" " Refund an item to a user (with optional price override)\n" + " Item IDs can be seen in the cokelog (in the brackets after the item name)\n" + " e.g. coke:6 for a coke, snack:33 for slot 33 of the snack machine\n" ); if( giTextArgc == 0 || strcmp(gsTextArgs[0], "slot") == 0 ) printf( @@ -318,6 +332,15 @@ int main(int argc, char *argv[]) ShowUsage(); return 0; } + else if( strcmp(argv[i], "--dry-run") == 0 ) { + gbDryRun = 1; + } + else if( strcmp(argv[i], "--drinks-only") == 0 ) { + giUIMode = UI_MODE_DRINKSONLY; + } + else if( strcmp(argv[i], "--can-select-all") == 0 ) { + gbDisallowSelectWithoutBalance = 0; + } else { fprintf(stderr, "%s: Unknown switch '%s'\n", argv[0], argv[i]); ShowUsage(); @@ -354,6 +377,41 @@ int main(int argc, char *argv[]) } + // + // `dispense finger` + // - + if( strcmp(gsTextArgs[0], "finger") == 0 ) + { + // Connect to server + sock = OpenConnection(gsDispenseServer, giDispensePort); + if( sock < 0 ) return RV_SOCKET_ERROR; + + // Get items + PopulateItemList(sock); + + printf("The UCC Coke machine.\n\n"); + + // Only get coke slot statuses + for( i = 0; i <= 6; i ++ ) + { + const char *status; + switch(gaItems[i].Status) + { + case 0: status = "Avail"; break; + case 1: status = "Sold "; break; + default: + status = "Error"; + break; + } + printf("%i - %s %3i %s\n", gaItems[i].ID, status, gaItems[i].Price, gaItems[i].Desc); + + } + + printf("\nMay your pink fish bing into the distance.\n"); + + return 0; + } + // // `dispense acct` // - @@ -814,10 +872,10 @@ int main(int argc, char *argv[]) if( j > 1 ) { printf("%i items dispensed\n", j); } + Dispense_ShowUser(sock, gsUserName); close(sock); - } - Dispense_ShowUser(sock, gsUserName); + } return ret; } @@ -833,9 +891,9 @@ int ShowNCursesUI(void) int ch; int i, times; int xBase, yBase; - const int displayMinWidth = 40; + const int displayMinWidth = 50; char *titleString = "Dispense"; - int itemCount; + int items_in_view; int maxItemIndex; int itemBase = 0; int currentItem; @@ -846,7 +904,37 @@ int ShowNCursesUI(void) struct passwd *pwd; int height, width; - + + void _ItemDown(void) + { + currentItem ++; + // Skip over spacers + while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) + currentItem ++; + + if( currentItem >= maxItemIndex ) { + currentItem = 0; + // Skip over spacers + while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) + currentItem ++; + } + } + + void _ItemUp(void) + { + currentItem --; + // Skip over spacers + while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) + currentItem --; + + if( currentItem < 0 ) { + currentItem = maxItemIndex - 1; + // Skip over spacers + while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) + currentItem --; + } + } + // Get Username if( gsEffectiveUser ) username = gsEffectiveUser; @@ -855,7 +943,7 @@ int ShowNCursesUI(void) username = pwd->pw_name; } // Get balance - snprintf(balance_str, sizeof balance_str, "$%i.%02i", giUserBalance/100, abs(giUserBalance)%100); + snprintf(balance_str, sizeof(balance_str), "$%i.%02i", giUserBalance/100, abs(giUserBalance)%100); // Enter curses mode initscr(); @@ -865,9 +953,9 @@ int ShowNCursesUI(void) maxItemIndex = ShowItemAt(0, 0, 0, -1, 0); // Get item count per screen // - 6: randomly chosen (Need at least 3) - itemCount = LINES - 6; - if( itemCount > maxItemIndex ) - itemCount = maxItemIndex; + items_in_view = LINES - 6; + if( items_in_view > maxItemIndex ) + items_in_view = maxItemIndex; // Get first index currentItem = 0; while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) @@ -875,7 +963,7 @@ int ShowNCursesUI(void) // Get dimensions - height = itemCount + 3; + height = items_in_view + 3; width = displayMinWidth; // Get positions @@ -888,7 +976,7 @@ int ShowNCursesUI(void) PrintAlign(yBase, xBase, width, "/", '-', titleString, '-', "\\"); // Items - for( i = 0; i < itemCount; i ++ ) + for( i = 0; i < items_in_view; i ++ ) { int pos = 0; @@ -900,7 +988,7 @@ int ShowNCursesUI(void) // Check for the '...' row // - Oh god, magic numbers! if( (i == 0 && itemBase > 0) - || (i == itemCount - 1 && itemBase < maxItemIndex - itemCount) ) + || (i == items_in_view - 1 && itemBase < maxItemIndex - items_in_view) ) { printw(" ..."); pos += 8; times = (width - pos) - 1; @@ -918,16 +1006,16 @@ int ShowNCursesUI(void) } // Scrollbar (if needed) - if( maxItemIndex > itemCount ) { + if( maxItemIndex > items_in_view ) { if( i == 0 ) { addch('A'); } - else if( i == itemCount - 1 ) { + else if( i == items_in_view - 1 ) { addch('V'); } else { - int percentage = itemBase * 100 / (maxItemIndex-itemCount); - if( i-1 == percentage*(itemCount-3)/100 ) { + int percentage = itemBase * 100 / (maxItemIndex-items_in_view); + if( i-1 == percentage*(items_in_view-3)/100 ) { addch('#'); } else { @@ -959,42 +1047,13 @@ int ShowNCursesUI(void) switch(ch) { - case 'B': - currentItem ++; - // Skip over spacers - while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) - currentItem ++; - - if( currentItem >= maxItemIndex ) { - currentItem = 0; - // Skip over spacers - while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) - currentItem ++; - } - break; - case 'A': - currentItem --; - // Skip over spacers - while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) - currentItem --; - - if( currentItem < 0 ) { - currentItem = maxItemIndex - 1; - // Skip over spacers - while( ShowItemAt(0, 0, 0, currentItem, 0) == -1 ) - currentItem --; - } - break; + case 'B': _ItemDown(); break; + case 'A': _ItemUp(); break; } } else { } - - if( itemCount > maxItemIndex && currentItem < itemBase + 2 && itemBase > 0 ) - itemBase = currentItem - 2; - if( itemCount > maxItemIndex && currentItem > itemBase + itemCount - 2 && itemBase < maxItemIndex-1 ) - itemBase = currentItem - itemCount + 2; } else { switch(ch) @@ -1002,6 +1061,10 @@ int ShowNCursesUI(void) case '\n': ret = ShowItemAt(0, 0, 0, currentItem, 0); break; + case 'h': break; + case 'j': _ItemDown(); break; + case 'k': _ItemUp(); break; + case 'l': break; case 0x1b: // Escape case 'q': ret = -1; // -1: Return with no dispense @@ -1012,6 +1075,21 @@ int ShowNCursesUI(void) if( ret != -2 ) break; } + // Scroll only if needed + if( items_in_view < maxItemIndex ) + { + // - If the current item is above the second item shown, and we're not at the top + if( currentItem < itemBase + 2 && itemBase > 0 ) { + itemBase = currentItem - 2; + if(itemBase < 0) itemBase = 0; + } + // - If the current item is below the second item show, and we're not at the bottom + if( currentItem > itemBase + items_in_view - 2 && itemBase + items_in_view < maxItemIndex ) { + itemBase = currentItem - items_in_view + 2; + if( itemBase > maxItemIndex - items_in_view ) + itemBase = maxItemIndex - items_in_view; + } + } } @@ -1027,7 +1105,6 @@ int ShowNCursesUI(void) */ int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted) { - int _x, _y, times; char *name = NULL; int price = 0; int status = -1; @@ -1081,7 +1158,7 @@ int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted) if( Width > 0 ) { // 4 preceding, 5 price - int nameWidth = Width - 4 - 5; + int nameWidth = Width - 4 - snprintf(NULL, 0, " %4i", price); move( Row, Col ); if( Index >= 0 ) @@ -1107,25 +1184,16 @@ int ShowItemAt(int Row, int Col, int Width, int Index, int bHilighted) printw("%-*.*s", nameWidth, nameWidth, name); -// getyx(stdscr, _y, _x); - // Assumes max 4 digit prices -// times = Width - 5 - (_x - Col); // TODO: Better handling for large prices -// while(times--) addch(' '); - printw(" %4i", price); } else { - printw("-- %s", name); - getyx(stdscr, _y, _x); - times = Width - 4 - (_x - Col); - while(times--) addch(' '); - printw(" "); + printw("-- %-*.*s ", Width-4, Width-4, name); } } // If the item isn't availiable for sale, return -1 (so it's skipped) - if( status || price > giUserBalance ) + if( status || (price > giUserBalance && gbDisallowSelectWithoutBalance) ) Index = -1; return Index; @@ -1255,28 +1323,53 @@ int OpenConnection(const char *Host, int Port) return sock; } -/** - * \brief Authenticate with the server - * \return Boolean Failure - */ -int Authenticate(int Socket) +int Authenticate_AutoAuth(int Socket, const char *Username) { - struct passwd *pwd; char *buf; int responseCode; - #if ATTEMPT_PASSWORD_AUTH - char salt[32]; - int i; - regmatch_t matches[4]; - #endif + int ret = -1; - if( gbIsAuthenticated ) return 0; + // Attempt automatic authentication + sendf(Socket, "AUTOAUTH %s\n", Username); - // Get user name - pwd = getpwuid( getuid() ); + // Check if it worked + buf = ReadLine(Socket); + + responseCode = atoi(buf); + switch( responseCode ) + { + case 200: // Autoauth succeeded, return + ret = 0; + break; + + case 401: // Untrusted +// fprintf(stderr, "Untrusted host, AUTOAUTH unavaliable\n"); + ret = RV_PERMISSIONS; + break; + case 404: // Bad Username + fprintf(stderr, "Bad Username '%s'\n", Username); + ret = RV_INVALID_USER; + break; + + default: + fprintf(stderr, "Unkown response code %i from server\n", responseCode); + printf("%s\n", buf); + ret = RV_UNKNOWN_ERROR; + break;; + } + + free(buf); + return ret; +} + +int Authenticate_AuthIdent(int Socket) +{ + char *buf; + int responseCode; + int ret = -1; // Attempt automatic authentication - sendf(Socket, "AUTOAUTH %s\n", pwd->pw_name); + sendf(Socket, "AUTHIDENT\n"); // Check if it worked buf = ReadLine(Socket); @@ -1285,98 +1378,131 @@ int Authenticate(int Socket) switch( responseCode ) { case 200: // Autoauth succeeded, return - free(buf); + ret = 0; break; - case 401: // Untrusted, attempt password authentication - free(buf); + case 401: // Untrusted +// fprintf(stderr, "Untrusted host, AUTHIDENT unavaliable\n"); + ret = RV_PERMISSIONS; + break; + + default: + fprintf(stderr, "Unkown response code %i from server\n", responseCode); + printf("%s\n", buf); + ret = RV_UNKNOWN_RESPONSE; + break; + } + + free(buf); - #if ATTEMPT_PASSWORD_AUTH - sendf(Socket, "USER %s\n", pwd->pw_name); - printf("Using username %s\n", pwd->pw_name); - - buf = ReadLine(Socket); - - // TODO: Get Salt - // Expected format: 100 SALT ... - // OR : 100 User Set - RunRegex(&gSaltRegex, buf, 4, matches, "Malformed server response"); - responseCode = atoi(buf); - if( responseCode != 100 ) { - fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf); - free(buf); - return RV_UNKNOWN_ERROR; // ERROR - } - - // Check for salt - if( memcmp( buf+matches[2].rm_so, "SALT", matches[2].rm_eo - matches[2].rm_so) == 0) { - // Store it for later - memcpy( salt, buf + matches[3].rm_so, matches[3].rm_eo - matches[3].rm_so ); - salt[ matches[3].rm_eo - matches[3].rm_so ] = 0; - } + return ret; +} + +int Authenticate_Password(int Socket, const char *Username) +{ + #if USE_PASSWORD_AUTH + char *buf; + int responseCode; + char salt[32]; + int i; + regmatch_t matches[4]; + + sendf(Socket, "USER %s\n", Username); + printf("Using username %s\n", Username); + + buf = ReadLine(Socket); + + // TODO: Get Salt + // Expected format: 100 SALT ... + // OR : 100 User Set + RunRegex(&gSaltRegex, buf, 4, matches, "Malformed server response"); + responseCode = atoi(buf); + if( responseCode != 100 ) { + fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf); free(buf); + return RV_UNKNOWN_ERROR; // ERROR + } + + // Check for salt + if( memcmp( buf+matches[2].rm_so, "SALT", matches[2].rm_eo - matches[2].rm_so) == 0) { + // Store it for later + memcpy( salt, buf + matches[3].rm_so, matches[3].rm_eo - matches[3].rm_so ); + salt[ matches[3].rm_eo - matches[3].rm_so ] = 0; + } + free(buf); + + // Give three attempts + for( i = 0; i < 3; i ++ ) + { + int ofs = strlen(Username)+strlen(salt); + char tmpBuf[42]; + char tmp[ofs+20]; + char *pass = getpass("Password: "); + uint8_t h[20]; - // Give three attempts - for( i = 0; i < 3; i ++ ) - { - int ofs = strlen(pwd->pw_name)+strlen(salt); - char tmpBuf[42]; - char tmp[ofs+20]; - char *pass = getpass("Password: "); - uint8_t h[20]; - - // Create hash string - // - strcpy(tmp, pwd->pw_name); - strcat(tmp, salt); - SHA1( (unsigned char*)pass, strlen(pass), h ); - memcpy(tmp+ofs, h, 20); - - // Hash all that - SHA1( (unsigned char*)tmp, ofs+20, h ); - sprintf(tmpBuf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", - h[ 0], h[ 1], h[ 2], h[ 3], h[ 4], h[ 5], h[ 6], h[ 7], h[ 8], h[ 9], - h[10], h[11], h[12], h[13], h[14], h[15], h[16], h[17], h[18], h[19] - ); - - // Send password - sendf(Socket, "PASS %s\n", tmpBuf); - buf = ReadLine(Socket); - - responseCode = atoi(buf); - // Auth OK? - if( responseCode == 200 ) break; - // Bad username/password - if( responseCode == 401 ) continue; - - fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf); - free(buf); - return RV_UNKNOWN_ERROR; - } - free(buf); - if( i == 3 ) - return RV_INVALID_USER; // 2 = Bad Password + // Create hash string + // + strcpy(tmp, Username); + strcat(tmp, salt); + SHA1( (unsigned char*)pass, strlen(pass), h ); + memcpy(tmp+ofs, h, 20); - #else - fprintf(stderr, "Untrusted host, AUTOAUTH unavaliable\n"); - return RV_INVALID_USER; - #endif - break; + // Hash all that + SHA1( (unsigned char*)tmp, ofs+20, h ); + sprintf(tmpBuf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", + h[ 0], h[ 1], h[ 2], h[ 3], h[ 4], h[ 5], h[ 6], h[ 7], h[ 8], h[ 9], + h[10], h[11], h[12], h[13], h[14], h[15], h[16], h[17], h[18], h[19] + ); - case 404: // Bad Username - fprintf(stderr, "Bad Username '%s'\n", pwd->pw_name); - free(buf); - return RV_INVALID_USER; + // Send password + sendf(Socket, "PASS %s\n", tmpBuf); + buf = ReadLine(Socket); - default: - fprintf(stderr, "Unkown response code %i from server\n", responseCode); - printf("%s\n", buf); + responseCode = atoi(buf); + // Auth OK? + if( responseCode == 200 ) break; + // Bad username/password + if( responseCode == 401 ) continue; + + fprintf(stderr, "Unknown repsonse code %i from server\n%s\n", responseCode, buf); free(buf); - return RV_UNKNOWN_ERROR; + return -1; } + free(buf); + if( i == 3 ) + return RV_INVALID_USER; // 2 = Bad Password + + return 0; + #else + return RV_INVALID_USER; + #endif +} + +/** + * \brief Authenticate with the server + * \return Boolean Failure + */ +int Authenticate(int Socket) +{ + struct passwd *pwd; + + if( gbIsAuthenticated ) return 0; + // Get user name + pwd = getpwuid( getuid() ); + + // Attempt AUTOAUTH + if( Authenticate_AutoAuth(Socket, pwd->pw_name) == 0 ) + ; + else if( Authenticate_AuthIdent(Socket) == 0 ) + ; + else if( Authenticate_Password(Socket, pwd->pw_name) == 0 ) + return RV_INVALID_USER; + // Set effective user if( gsEffectiveUser ) { + char *buf; + int responseCode; sendf(Socket, "SETEUSER %s\n", gsEffectiveUser); buf = ReadLine(Socket); @@ -1694,7 +1820,7 @@ int Dispense_AlterBalance(int Socket, const char *Username, int Ammount, const c // Sanity if( Ammount == 0 ) { - printf("An ammount would be nice\n"); + printf("An amount would be nice\n"); return RV_ARGUMENTS; } @@ -2212,7 +2338,7 @@ char *ReadLine(int Socket) } else { len = recv(Socket, buf+bufPos, BUFSIZ-1-bufPos, 0); - if( len < 0 ) { + if( len <= 0 ) { free(ret); return strdup("599 Client Connection Error\n"); } @@ -2231,9 +2357,10 @@ char *ReadLine(int Socket) if( newline ) { int newLen = newline - (buf+bufPos) + 1; bufValid = len - newLen; - bufPos += newLen; + len = newLen; } if( len + bufPos == BUFSIZ - 1 ) bufPos = 0; + else bufPos += len; } #if DEBUG_TRACE_SERVER