106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/*
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* charybdis - an advanced ircd.
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* Copyright (c) 2016 William Pitcock <nenolod@dereferenced.org>.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "stdinc.h"
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#include "ircd_defs.h"
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#include "msgbuf.h"
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/*
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* parse a message into a MsgBuf.
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* returns 0 on success, 1 on error.
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*/
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int
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msgbuf_parse(struct MsgBuf *msgbuf, char *line)
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{
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char *ch;
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char *parv[MAXPARA];
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size_t n_para;
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int i;
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/* skip any leading spaces */
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for (ch = line; *ch && *ch == ' '; ch++)
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;
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msgbuf_init(msgbuf);
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if (*ch == '@')
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{
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char *t = ch++;
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ch = strchr(ch, ' ');
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if (ch != NULL)
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{
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while (1)
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{
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char *next = strchr(t, ';');
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char *eq = strchr(t, '=');
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if (next != NULL)
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*next = '\0';
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if (eq > next)
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eq = NULL;
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if (eq != NULL)
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*eq = '\0';
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msgbuf_append_tag(msgbuf, t, eq);
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if (next != NULL)
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t = next + 1;
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else
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break;
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}
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}
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}
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/* skip any whitespace between tags and origin */
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for (; *ch && *ch == ' '; ch++)
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;
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if (*ch == ':')
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{
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ch++;
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msgbuf->origin = ch;
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char *end = strchr(ch, ' ');
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if (end == NULL)
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return 1;
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*end = '\0';
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for (ch = end + 1; *ch && *ch == ' '; ch++)
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;
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}
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if (*ch == '\0')
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return 1;
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n_para = rb_string_to_array(ch, parv, MAXPARA);
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if (n_para == 0)
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return 1;
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msgbuf->cmd = parv[0];
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for (i = 0; i < n_para; i++)
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msgbuf_append_para(msgbuf, parv[i]);
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return 0;
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}
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