Fix a connection hang when trying to access a Lotus Notes IMAP account.

PR:		77076
Obtained from:	Ximian bugzilla (http://bugzilla.ximian.com/show_bug.cgi?id=70556)

2 files changed, 93 insertions, 1 deletions

diff --git a/mail/evolution/Makefile b/mail/evolution/Makefile
index 780dedfa79ef..273fff970ebb 100644
--- a/mail/evolution/Makefile
+++ b/mail/evolution/Makefile
@@ -7,7 +7,7 @@
 
 PORTNAME=	evolution
 PORTVERSION=	2.0.3
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	mail gnome
 MASTER_SITES=	${MASTER_SITE_GNOME}
 MASTER_SITE_SUBDIR=	sources/${PORTNAME}/2.0
diff --git a/mail/evolution/files/patch-lotus-imap b/mail/evolution/files/patch-lotus-imap
new file mode 100644
index 000000000000..825329b53057
--- /dev/null
+++ b/mail/evolution/files/patch-lotus-imap
@@ -0,0 +1,92 @@
+Index: camel/ChangeLog
+===================================================================
+RCS file: /cvs/gnome/evolution/camel/ChangeLog,v
+retrieving revision 1.2251.2.28
+diff -u -p -r1.2251.2.28 ChangeLog
+--- camel/ChangeLog	3 Dec 2004 03:03:02 -0000	1.2251.2.28
++++ camel/ChangeLog	23 Dec 2004 07:23:55 -0000
+@@ -1,3 +1,12 @@
++2004-12-23  Not Zed  <NotZed@Ximian.com>
++  
++	** See bug #70556.
++	
++	* providers/imap/camel-imap-command.c (imap_read_untagged): scan
++	the non-literal contnet for s-expression brackets, and if we seem
++	to be outside of one, don't try the 'blank line after literal'
++	hack.
++
+ 2004-12-02  Not Zed  <NotZed@Ximian.com>
+ 
+ 	** See bug #69533.
+Index: camel/providers/imap/camel-imap-command.c
+===================================================================
+RCS file: /cvs/gnome/evolution/camel/providers/imap/camel-imap-command.c,v
+retrieving revision 1.60.26.2
+diff -u -p -r1.60.26.2 camel-imap-command.c
+--- camel/providers/imap/camel-imap-command.c	3 Dec 2004 03:03:02 -0000	1.60.26.2
++++ camel/providers/imap/camel-imap-command.c	23 Dec 2004 07:23:56 -0000
+@@ -43,7 +43,7 @@
+ #include <camel/camel-private.h>
+ #include <camel/camel-utf8.h>
+ #include <camel/camel-session.h>
+-
++#include <camel/camel-debug.h>
+ 
+ extern int camel_verbose_debug;
+ 
+@@ -409,7 +409,7 @@ imap_read_response (CamelImapStore *stor
+ static char *
+ imap_read_untagged (CamelImapStore *store, char *line, CamelException *ex)
+ {
+-	int fulllen, ldigits, nread, i;
++	int fulllen, ldigits, nread, i, sexp = 0;
+ 	unsigned int length;
+ 	GPtrArray *data;
+ 	GString *str;
+@@ -431,6 +431,18 @@ imap_read_untagged (CamelImapStore *stor
+ 		p = strrchr (str->str, '{');
+ 		if (!p)
+ 			break;
++
++		/* HACK ALERT: We scan the non-literal part of the string, looking for possible s expression braces.
++		   This assumes we're getting s-expressions, which we should be.
++		   This is so if we get a blank line after a literal, in an s-expression, we can keep going, since
++		   we do no other parsing at this level.
++		   TODO: handle quoted strings? */
++		for (s=str->str; s<p; s++) {
++			if (*s == '(')
++				sexp++;
++			else if (*s == ')')
++				sexp--;
++		}
+ 		
+ 		length = strtoul (p + 1, &end, 10);
+ 		if (*end != '}' || *(end + 1) || end == p + 1 || length >= UINT_MAX - 2)
+@@ -460,6 +472,12 @@ imap_read_untagged (CamelImapStore *stor
+ 			goto lose;
+ 		}
+ 		str->str[length + 1] = '\0';
++
++		if (camel_debug("imap")) {
++			printf("Literal: -->");
++			fwrite(str->str+1, 1, length, stdout);
++			printf("<--\n");
++		}
+ 		
+ 		/* Fix up the literal, turning CRLFs into LF. Also, if
+ 		 * we find any embedded NULs, strip them. This is
+@@ -505,10 +523,11 @@ imap_read_untagged (CamelImapStore *stor
+ 			if (camel_imap_store_readline (store, &line, ex) < 0)
+ 				goto lose;
+ 
+-			/* MAJOR HACK ALERT, gropuwise sometimes sends an extra blank line after literals, check that here */
+-			if (line[0] == 0)
++			/* MAJOR HACK ALERT, gropuwise sometimes sends an extra blank line after literals, check that here
++			   But only do it if we're inside an sexpression */
++			if (line[0] == 0 && sexp > 0)
+ 				g_warning("Server sent empty line after a literal, assuming in error");
+-		} while (line[0] == 0);
++		} while (line[0] == 0 && sexp > 0);
+ 	}
+ 	
+ 	/* Now reassemble the data. */