Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.

1 files changed, 274 insertions, 0 deletions

diff --git a/maildir/maildirfilter2.c b/maildir/maildirfilter2.c
new file mode 100644
index 0000000..3a541d3
--- /dev/null
+++ b/maildir/maildirfilter2.c
@@ -0,0 +1,274 @@
+/*
+** Copyright 2000-2007 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#include	"maildirfilter.h"
+#include	"maildirfilterconfig.h"
+#include	"maildircreate.h"
+#include	<stdlib.h>
+#include	<string.h>
+#include	<stdio.h>
+#include	<ctype.h>
+#include	<errno.h>
+#if	HAVE_SYS_STAT_H
+#include	<sys/stat.h>
+#endif
+#if	HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+
+
+static const char *maildir_filter_config(const char *maildir,
+	const char *varname)
+{
+char *p=malloc(strlen(maildir)+sizeof("/maildirfilterconfig"));
+FILE	*f;
+static char configbuf[256];
+
+	if (!p)	return (0);
+
+	strcat(strcpy(p, maildir), "/maildirfilterconfig");
+	f=fopen(p, "r");
+	free(p);
+
+	if (!f)	f=fopen(MAILDIRFILTERCONFIG, "r");
+	if (!f)	return (0);
+
+	while ((p=fgets(configbuf, sizeof(configbuf), f)) != 0)
+	{
+		if ((p=strchr(configbuf, '\n')) != 0)	*p=0;
+		p=strchr(configbuf, '=');
+		if (!p)	continue;
+		*p++=0;
+		if (strcmp(configbuf, varname) == 0)
+		{
+			fclose(f);
+			return (p);
+		}
+	}
+	fclose(f);
+	return ("");
+}
+
+static char *maildir_filter_config_maildirfilter(const char *maildir)
+{
+const char *p=maildir_filter_config(maildir, "MAILDIRFILTER");
+char *q;
+
+	if (!p)	return (0);
+	if (*p == 0)
+	{
+		errno=ENOENT;
+		return (0);
+	}
+
+	q=malloc(strlen(maildir)+strlen(p)+2);
+	if (!q)
+		return NULL;
+
+	*q=0;
+	if (*p != '/')
+		strcat(strcpy(q, maildir), "/");
+	strcat(q, p);
+	return (q);
+}
+
+int maildir_filter_importmaildirfilter(const char *maildir)
+{
+	const char *p=maildir_filter_config(maildir, "MAILDIRFILTER");
+	char *maildirfilter;
+	FILE *i, *o;
+	struct maildir_tmpcreate_info createInfo;
+
+	if (!p)	return (-1);
+
+	if (!*p)
+	{
+		errno=ENOENT;
+		return (-1);
+	}
+
+	maildirfilter=maildir_filter_config_maildirfilter(maildir);
+	if (!maildirfilter)	return (-1);
+
+	maildir_tmpcreate_init(&createInfo);
+
+	createInfo.maildir=maildir;
+	createInfo.uniq="maildirfilter-tmp";
+	createInfo.doordie=1;
+
+	if ((o=maildir_tmpcreate_fp(&createInfo)) == NULL)
+	{
+		free(maildirfilter);
+		return (-1);
+	}
+
+	strcat(strcpy(createInfo.newname, maildir),
+	       "/maildirfilter.tmp"); /* We enough we have enough mem: .uniq */
+
+	if ((i=fopen(maildirfilter, "r")) == 0)
+	{
+	struct	maildirfilter mf;
+
+		if (errno != ENOENT)
+		{
+			fclose(o);
+			unlink(createInfo.tmpname);
+			maildir_tmpcreate_free(&createInfo);
+			free(maildirfilter);
+			return (-1);
+		}
+
+		memset(&mf, 0, sizeof(mf));
+		fclose(o);
+		unlink(createInfo.tmpname);
+		unlink(createInfo.newname);
+		maildir_filter_savemaildirfilter(&mf, maildir, "");
+		/* write out a blank one */
+	}
+	else
+	{
+		char	buf[BUFSIZ];
+		int	n;
+
+		while ((n=fread(buf, 1, sizeof(buf), i)) > 0)
+			if (fwrite(buf, 1, n, o) != n)
+			{
+				fclose(o);
+				fclose(i);
+				unlink(createInfo.tmpname);
+				maildir_tmpcreate_free(&createInfo);
+				free(maildirfilter);
+				return (-1);
+			}
+		if (fflush(o))
+		{
+			fclose(o);
+			fclose(i);
+			unlink(createInfo.tmpname);
+			maildir_tmpcreate_free(&createInfo);
+			free(maildirfilter);
+			return (-1);
+		}
+		fclose(o);
+		fclose(i);
+		if (chmod(createInfo.tmpname, 0600)
+		    || rename(createInfo.tmpname, createInfo.newname))
+		{
+			unlink(createInfo.tmpname);
+			maildir_tmpcreate_free(&createInfo);
+			free(maildirfilter);
+			return (-1);
+		}
+	}
+
+	maildir_tmpcreate_free(&createInfo);
+	free(maildirfilter);
+	return (0);
+}
+
+int maildir_filter_loadmaildirfilter(struct maildirfilter *mf, const char *maildir)
+{
+char *newname=malloc(strlen(maildir)+sizeof("/maildirfilter.tmp"));
+int	rc;
+
+	if (!newname)	return (-1);
+	strcat(strcpy(newname, maildir), "/maildirfilter.tmp");
+
+	rc=maildir_filter_loadrules(mf, newname);
+	free(newname);
+	if (rc && rc != MF_LOADNOTFOUND)
+		rc= -1;
+	else
+		rc=0;
+	return (rc);
+}
+
+
+int maildir_filter_savemaildirfilter(struct maildirfilter *mf, const char *maildir,
+			 const char *from)
+{
+	const char *maildirpath=maildir_filter_config(maildir, "MAILDIR");
+	struct maildir_tmpcreate_info createInfo;
+	int fd, rc;
+
+	if (!maildirpath || !*maildirpath)
+	{
+		errno=EINVAL;
+		return (-1);
+	}
+
+	maildir_tmpcreate_init(&createInfo);
+	createInfo.maildir=maildir;
+	createInfo.uniq="maildirfilter-tmp";
+	createInfo.doordie=1;
+
+	if ((fd=maildir_tmpcreate_fd(&createInfo)) < 0)
+		return -1;
+
+	close(fd);
+	unlink(createInfo.tmpname);
+
+	strcat(strcpy(createInfo.newname, maildir), "/maildirfilter.tmp");
+
+	rc=maildir_filter_saverules(mf, createInfo.tmpname,
+				    maildir, maildirpath, from);
+	if (rc == 0 && rename(createInfo.tmpname, createInfo.newname))
+		rc= -1;
+	maildir_tmpcreate_free(&createInfo);
+	return (rc);
+}
+
+int maildir_filter_exportmaildirfilter(const char *maildir)
+{
+char *maildirfilter=maildir_filter_config_maildirfilter(maildir);
+char *newname;
+int	rc;
+
+	if (!maildirfilter)	return (-1);
+
+	newname=malloc(strlen(maildir)+sizeof("/maildirfilter.tmp"));
+	if (!newname)
+	{
+		free(maildirfilter);
+		return (-1);
+	}
+
+	strcat(strcpy(newname, maildir), "/maildirfilter.tmp");
+	rc=rename(newname, maildirfilter);
+	free(maildirfilter);
+	free(newname);
+	return (rc);
+}
+
+int maildir_filter_hasmaildirfilter(const char *maildir)
+{
+const char *p=maildir_filter_config(maildir, "MAILDIR");
+
+	if (!p || !*p)	return (-1);
+
+	p=maildir_filter_config(maildir, "MAILDIRFILTER");
+	if (!p || !*p)	return (-1);
+	return (0);
+}
+
+void maildir_filter_endmaildirfilter(const char *maildir)
+{
+char *maildirfilter=maildir_filter_config_maildirfilter(maildir);
+char *newname;
+
+	if (!maildirfilter)	return;
+
+	newname=malloc(strlen(maildir)+sizeof("/maildirfilter.tmp"));
+	if (!newname)
+	{
+		free(maildirfilter);
+		return;
+	}
+
+	strcat(strcpy(newname, maildir), "/maildirfilter.tmp");
+	unlink(newname);
+	free(maildirfilter);
+	free(newname);
+}