94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/*
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* This file is part of uIRC. (https://git.redxen.eu/caskd/uIRC)
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* Copyright (c) 2019, 2020 Alex-David Denes
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*
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* uIRC is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* uIRC is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with uIRC. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "validators.h"
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#include <assert.h> // assert()
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#include <stdio.h> // NULL
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#include <string.h> // strchr()
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size_t
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uirc_validator_string_nocrlf(const char* str)
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{
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assert(str != NULL);
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const char* save = str;
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for (; *str; str++) {
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if (*str == '\r' || *str == '\n') return 0;
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}
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return (size_t)(str - save);
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}
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size_t
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uirc_validator_string_nospcl(const char* str)
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{
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assert(str != NULL);
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const char* save = str;
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for (; *str; str++) {
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if (*str == ' ' || *str == ':') return 0;
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}
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return (size_t)(str - save);
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}
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size_t
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uirc_validator_string_noblcm(const char* str)
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{
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assert(str != NULL);
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const char* save = str;
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for (; *str; str++) {
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if (*str == '\a' || *str == ',') return 0;
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}
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return (size_t)(str - save);
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}
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// TODO: Make this read only
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// TODO: Improve the logic for this
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size_t
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uirc_validator_buffer_channel(char* chan)
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{
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assert(chan != NULL);
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if (*chan != '#' && *chan != '+' && *chan != '!' && *chan != '&') return 0;
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const char* save = chan;
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char* clps = ++chan;
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if ((clps = strchr(chan, ':')) != NULL) {
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*clps = '\0';
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if (uirc_validator_string_nospcl(chan) != 1 || uirc_validator_string_nocrlf(chan) != 1 || uirc_validator_string_noblcm(chan) != 1) {
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*clps = ':';
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return 0;
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}
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*clps = ':';
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chan = ++clps;
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}
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if (uirc_validator_string_nospcl(chan) != 1 || uirc_validator_string_nocrlf(chan) != 1 || uirc_validator_string_noblcm(chan) != 1) return 0;
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return (size_t)(save - chan);
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}
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// TODO: Work on the logic for this
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signed short
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uirc_validator_message(IRC_Message* mesg)
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{
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assert(mesg != NULL);
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for (unsigned int i = 0; mesg->args[i] != NULL; i++) {
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if (Val_type_nocrlf(mesg->args[i]) != 1) return ERR_UIRC_VAL_FAILED;
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if (!(mesg->args[i + 1] == NULL && mesg->trailing)) {
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if (Val_type_nospcl(mesg->args[i]) != 1) return ERR_UIRC_VAL_FAILED;
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}
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}
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return 1;
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}
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