| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2008 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | |
| 19 | /** @file lib/email.c |
| 20 | * @brief Email addresses |
| 21 | */ |
| 22 | |
| 23 | #include "common.h" |
| 24 | |
| 25 | #include "sendmail.h" |
| 26 | |
| 27 | /** @brief Test email address validity |
| 28 | * @param address to verify |
| 29 | * @return 1 if it might be valid, 0 if it is definitely not |
| 30 | * |
| 31 | * This function doesn't promise to tell you whether an address is deliverable, |
| 32 | * it just does basic syntax checks. |
| 33 | */ |
| 34 | int email_valid(const char *address) { |
| 35 | /* There must be an '@' sign */ |
| 36 | const char *at = strchr(address, '@'); |
| 37 | if(!at) |
| 38 | return 0; |
| 39 | /* There must be only one of them */ |
| 40 | if(strchr(at + 1, '@')) |
| 41 | return 0; |
| 42 | /* It mustn't be the first or last character */ |
| 43 | if(at == address || !at[1]) |
| 44 | return 0; |
| 45 | /* Local part must be valid */ |
| 46 | /* TODO */ |
| 47 | /* Domain part must be valid */ |
| 48 | /* TODO */ |
| 49 | return 1; |
| 50 | } |
| 51 | |
| 52 | /* |
| 53 | Local Variables: |
| 54 | c-basic-offset:2 |
| 55 | comment-column:40 |
| 56 | fill-column:79 |
| 57 | indent-tabs-mode:nil |
| 58 | End: |
| 59 | */ |