2  * Copyright (c) 2008-2014, Simon Schubert <2@0x2c.org>.
18  * 3. Neither the name of The DragonFly Project nor the names of its
55 create_mbox(const char *name)  in create_mbox()  argument
63 	int r = -1;  in create_mbox()
79 		if (maxfd == -1)  in create_mbox()
85 		execl(LIBEXEC_PATH "/dma-mbox-create", "dma-mbox-create", name, (char *)NULL);  in create_mbox()
86 		syslog(LOG_ERR, "cannot execute "LIBEXEC_PATH"/dma-mbox-create: %m");  in create_mbox()
97 		if (waitchild == -1 && e == EINTR) {  in create_mbox()
98 			syslog(LOG_ERR, "hung child while creating mbox `%s': %m", name);  in create_mbox()
102 		if (waitchild == -1) {  in create_mbox()
103 			syslog(LOG_ERR, "child disappeared while creating mbox `%s': %m", name);  in create_mbox()
108 			syslog(LOG_ERR, "error creating mbox `%s'", name);  in create_mbox()
116 	case -1:  in create_mbox()
118 		syslog(LOG_ERR, "error creating mbox");  in create_mbox()
136 	int mbox;  in deliver_local()  local
142 	error = snprintf(fn, sizeof(fn), "%s/%s", _PATH_MAILDIR, it->addr);  in deliver_local()
153 	mbox = open_locked(fn, O_WRONLY|O_APPEND);  in deliver_local()
154 	if (mbox < 0) {  in deliver_local()
164 			 * Call dma-mbox-create to create it and fix permissions.  in deliver_local()
166 			if (tries > 0 || create_mbox(it->addr) != 0) {  in deliver_local()
185 	mboxlen = lseek(mbox, 0, SEEK_END);  in deliver_local()
187 	/* New mails start with \nFrom ...., unless we're at the beginning of the mbox */  in deliver_local()
191 	/* If we're bouncing a message, claim it comes from MAILER-DAEMON */  in deliver_local()
192 	sender = it->sender;  in deliver_local()
194 		sender = "MAILER-DAEMON";  in deliver_local()
196 	if (fseek(it->mailf, 0, SEEK_SET) != 0) {  in deliver_local()
206 	if (write(mbox, line, error) != error)  in deliver_local()
209 	while (!feof(it->mailf)) {  in deliver_local()
210 		if (fgets(line, sizeof(line), it->mailf) == NULL)  in deliver_local()
213 		if (linelen == 0 || line[linelen - 1] != '\n') {  in deliver_local()
216 			error = -1;  in deliver_local()
222 		 * - escape lines that start with "From " with a > sign.  in deliver_local()
223 		 * - be reversible by escaping lines that contain an arbitrary  in deliver_local()
225 		 * - strict mbox processing only requires escaping after empty lines,  in deliver_local()
233 			if (write(mbox, gt, 1) != 1)  in deliver_local()
241 		if ((size_t)write(mbox, line, linelen) != linelen)  in deliver_local()
244 	close(mbox);  in deliver_local()
251 	if (ftruncate(mbox, mboxlen) != 0)  in deliver_local()
252 		syslog(LOG_WARNING, "error recovering mbox `%s': %m", fn);  in deliver_local()
254 	close(mbox);  in deliver_local()