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    /*	$OpenBSD: mailaddr.c,v 1.2 2015/12/28 22:08:30 jung Exp $	*/  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2015 Gilles Chehade <gilles@poolp.org>  | 
    
    
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     *  | 
    
    
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     * Permission to use, copy, modify, and 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 appear in all copies.  | 
    
    
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     *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  | 
    
    
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     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF  | 
    
    
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     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  | 
    
    
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     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  | 
    
    
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     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN  | 
    
    
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     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  | 
    
    
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     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  | 
    
    
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     */  | 
    
    
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    #include <sys/types.h>  | 
    
    
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    #include <sys/queue.h>  | 
    
    
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    #include <sys/tree.h>  | 
    
    
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    #include <sys/socket.h>  | 
    
    
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    #include <ctype.h>  | 
    
    
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    #include <event.h>  | 
    
    
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    #include <imsg.h>  | 
    
    
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    #include <stdio.h>  | 
    
    
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    #include <limits.h>  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include <string.h>  | 
    
    
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    #include "smtpd.h"  | 
    
    
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    #include "log.h"  | 
    
    
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    static int  | 
    
    
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    mailaddr_line_split(char **line, char **ret)  | 
    
    
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    { | 
    
    
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    	static char	buffer[LINE_MAX];  | 
    
    
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    	int		esc, dq, sq;  | 
    
    
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    	size_t		i;  | 
    
    
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    	char	       *s;  | 
    
    
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    	memset(buffer, 0, sizeof buffer);  | 
    
    
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    	esc = dq = sq = 0;  | 
    
    
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    	i = 0;  | 
    
    
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    	for (s = *line; (*s) && (i < sizeof(buffer)); ++s) { | 
    
    
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    		if (esc) { | 
    
    
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    			buffer[i++] = *s;  | 
    
    
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    			esc = 0;  | 
    
    
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    			continue;  | 
    
    
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    		}  | 
    
    
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    		if (*s == '\\') { | 
    
    
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    			esc = 1;  | 
    
    
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    			continue;  | 
    
    
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    		}  | 
    
    
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    		if (*s == ',' && !dq && !sq) { | 
    
    
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    			*ret = buffer;  | 
    
    
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    			*line = s+1;  | 
    
    
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    			return (1);  | 
    
    
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    		}  | 
    
    
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    		buffer[i++] = *s;  | 
    
    
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    		esc = 0;  | 
    
    
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    		if (*s == '"' && !sq)  | 
    
    
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    			dq ^= 1;  | 
    
    
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    		if (*s == '\'' && !dq)  | 
    
    
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    			sq ^= 1;  | 
    
    
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    	}  | 
    
    
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    	if (esc || dq || sq || i == sizeof(buffer))  | 
    
    
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    		return (-1);  | 
    
    
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    	*ret = buffer;  | 
    
    
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    	*line = s;  | 
    
    
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    	return (i ? 1 : 0);  | 
    
    
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    }  | 
    
    
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    int  | 
    
    
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    mailaddr_line(struct maddrmap *maddrmap, const char *s)  | 
    
    
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    { | 
    
    
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    	struct maddrnode	mn;  | 
    
    
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    	char			buffer[LINE_MAX];  | 
    
    
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    	char		       *p, *subrcpt;  | 
    
    
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    	int			ret;  | 
    
    
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    	memset(buffer, 0, sizeof buffer);  | 
    
    
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    	if (strlcpy(buffer, s, sizeof buffer) >= sizeof buffer)  | 
    
    
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    		return 0;  | 
    
    
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    	p = buffer;  | 
    
    
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    	while ((ret = mailaddr_line_split(&p, &subrcpt)) > 0) { | 
    
    
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    		subrcpt = strip(subrcpt);  | 
    
    
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    		if (subrcpt[0] == '\0')  | 
    
    
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    			continue;  | 
    
    
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    		if (!text_to_mailaddr(&mn.mailaddr, subrcpt))  | 
    
    
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    			return 0;  | 
    
    
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    		log_debug("subrcpt: [%s]", subrcpt); | 
    
    
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    		maddrmap_insert(maddrmap, &mn);  | 
    
    
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    	}  | 
    
    
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    	if (ret >= 0)  | 
    
    
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    		return 1;  | 
    
    
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    	/* expand_line_split() returned < 0 */  | 
    
    
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    	return 0;  | 
    
    
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    }  | 
    
    
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    void  | 
    
    
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    maddrmap_init(struct maddrmap *maddrmap)  | 
    
    
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    { | 
    
    
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    	TAILQ_INIT(&maddrmap->queue);  | 
    
    
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    }  | 
    
    
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    void  | 
    
    
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    maddrmap_insert(struct maddrmap *maddrmap, struct maddrnode *maddrnode)  | 
    
    
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    { | 
    
    
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    	struct maddrnode	*mn;  | 
    
    
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    	mn = xmemdup(maddrnode, sizeof *maddrnode, "maddrmap_insert");  | 
    
    
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    	TAILQ_INSERT_TAIL(&maddrmap->queue, mn, entries);  | 
    
    
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    }  | 
    
    
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    void  | 
    
    
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    maddrmap_free(struct maddrmap *maddrmap)  | 
    
    
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    { | 
    
    
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    	struct maddrnode       *mn;  | 
    
    
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    	while ((mn = TAILQ_FIRST(&maddrmap->queue))) { | 
    
    
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    		TAILQ_REMOVE(&maddrmap->queue, mn, entries);  | 
    
    
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    		free(mn);  | 
    
    
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    	}  | 
    
    
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    	free(maddrmap);  | 
    
    
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    }  |