Fix multiple vulnerabilities (closes: #850432)

- New patch 934_menu.patch to fix buffer overflow (tats/w3m#49)
- New patch 935_shiftanchor.patch to fix buffer overflow (tats/w3m#62)
- New patch 936_metarefresh.patch to fix buffer overflow (tats/w3m#63)
- New patch 937_lineproc0.patch to fix buffer overflow (tats/w3m#67)
- New patch 938_lineproc2body.patch to fix buffer overflow (tats/w3m#61)
- New patch 939_textarea.patch to fix buffer overflow (tats/w3m#58)
- New patch 940_tabattr.patch to fix buffer overflow (tats/w3m#60)
- New patch 941_integeredwidth.patch to fix buffer overflow (tats/w3m#70)
- New patch 942_tridvalue.patch to fix buffer overflow (tats/w3m#71)
- New patch 943_pushlink.patch to fix buffer overflow (tats/w3m#64, #66)
- New patch 944_lineproc0.patch to fix use after free (tats/w3m#65)
- New patch 945_wtfstrwidth.patch to fix buffer overflow (tats/w3m#57)
- New patch 946_strnewsize.patch to fix buffer overflow (tats/w3m#72)
- New patch 947_realcolumn.patch to fix buffer overflow (tats/w3m#69)
- New patch 948_getmclen.patch to fix buffer overflow
  (tats/w3m#59, #73, #74, #75, #76, #78, #79, #80, #83, #84)
- New patch 949_wtftowcs.patch to fix buffer overflow (tats/w3m#77)
- New patch 950_textarea.patch to fix infinite loop (tats/w3m#85)
- New patch 951_lineproc0.patch to fix use after free (tats/w3m#81)
- New patch 952_formupdatebuffer.patch to fix buffer overflow (tats/w3m#82)
- New patch 953_formupdateline.patch to fix buffer overflow
  (tats/w3m#68#issuecomment-266214643)
- New patch 954_wtfparse1.patch to fix buffer overflow (tats/w3m#68)

1 files changed, 26 insertions, 0 deletions

diff --git a/debian/patches/953_formupdateline.patch b/debian/patches/953_formupdateline.patch
new file mode 100644
index 0000000..77ede43
--- /dev/null
+++ b/debian/patches/953_formupdateline.patch
@@ -0,0 +1,26 @@
+Subject: Preserve one byte for end of string character in form_update_line()
+From: Tatsuya Kinoshita <tats@debian.org>
+Bug-Debian: https://github.com/tats/w3m/issues/68#issuecomment-266214643
+Origin: https://anonscm.debian.org/cgit/collab-maint/w3m.git/commit/?id=eb4130a7cd2202de6aeb772b7e4f2a417dbff173
+
+---
+ form.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/form.c b/form.c
+index 162439a..0605513 100644
+--- a/form.c
++++ b/form.c
+@@ -320,7 +320,8 @@ form_update_line(Line *line, char **str, int spos, int epos, int width,
+     pos += width - w;
+ 
+     len = line->len + pos + spos - epos;
+-    buf = New_N(char, len);
++    buf = New_N(char, len + 1);
++    buf[len] = '\0';
+     prop = New_N(Lineprop, len);
+     bcopy((void *)line->lineBuf, (void *)buf, spos * sizeof(char));
+     bcopy((void *)line->propBuf, (void *)prop, spos * sizeof(Lineprop));
+-- 
+2.10.2
+