dovecot-2.0: lda: If temp file can't be created because home dir...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/b1c584654a0e
changeset: 9372:b1c584654a0e
user:      timo at timo-desktop
date:      Mon May 25 22:38:26 2009 -0400
description:
lda: If temp file can't be created because home dir doesn't exist, create it.

diffstat:

1 file changed, 39 insertions(+), 1 deletion(-)
src/lda/main.c |   40 +++++++++++++++++++++++++++++++++++++++-

diffs (73 lines):

diff -r ad0b052aef5e -r b1c584654a0e src/lda/main.c
--- a/src/lda/main.c	Mon May 25 22:20:13 2009 -0400
+++ b/src/lda/main.c	Mon May 25 22:38:26 2009 -0400
@@ -8,6 +8,8 @@
 #include "istream.h"
 #include "istream-seekable.h"
 #include "safe-mkstemp.h"
+#include "eacces-error.h"
+#include "mkdir-parents.h"
 #include "str.h"
 #include "str-sanitize.h"
 #include "strescape.h"
@@ -39,7 +41,8 @@
 
 /* After buffer grows larger than this, create a temporary file to /tmp
    where to read the mail. */
-#define MAIL_MAX_MEMORY_BUFFER (1024*128)
+//#define MAIL_MAX_MEMORY_BUFFER (1024*128)
+#define MAIL_MAX_MEMORY_BUFFER 10
 
 static const char *wanted_headers[] = {
 	"From", "To", "Message-ID", "Subject", "Return-Path",
@@ -84,15 +87,50 @@ static const char *address_sanitize(cons
 	return ret;
 }
 
+static int deliver_create_dir(struct mail_user *user, const char *dir)
+{
+	struct mail_namespace *ns;
+	mode_t mode;
+	gid_t gid;
+
+	ns = mail_namespace_find_inbox(user->namespaces);
+	if (ns == NULL)
+		ns = user->namespaces;
+
+	mailbox_list_get_dir_permissions(ns->list, NULL, &mode, &gid);
+	if (mkdir_parents_chown(dir, mode, (uid_t)-1, gid) == 0) {
+		return 0;
+	} else if (errno == EACCES) {
+		i_error("%s", eacces_error_get_creating("mkdir_parents_chown",
+							dir));
+		return -1;
+	} else {
+		i_error("mkdir_parents_chown(%s, gid=%s) failed: %m",
+			dir, dec2str(gid));
+		return -1;
+	}
+}
+
 static int seekable_fd_callback(const char **path_r, void *context)
 {
 	struct mail_deliver_context *ctx = context;
+	const char *dir, *p;
 	string_t *path;
 	int fd;
 
 	path = t_str_new(128);
 	str_append(path, mail_user_get_temp_prefix(ctx->dest_user));
 	fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1);
+	if (fd == -1 && errno == ENOENT) {
+		dir = str_c(path);
+		p = strrchr(dir, '/');
+		if (p != NULL) {
+			dir = t_strdup_until(dir, p);
+			if (deliver_create_dir(ctx->dest_user, dir) < 0)
+				return -1;
+			fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1);
+		}
+	}
 	if (fd == -1) {
 		i_error("safe_mkstemp(%s) failed: %m", str_c(path));
 		return -1;