spice-streaming-agent package creation

Signed-off-by: virtbuilder_pel7x64builder0 <virtbuilder@powerel.org>

SOURCES/0001-start-streaming-check-num_codecs.patch

@@ -0,0 +1,36 @@
+From 5aaaa5bd91261a6b61fcaa75585f8446b9eeb036 Mon Sep 17 00:00:00 2001
+From: Uri Lublin <uril@redhat.com>
+Date: Tue, 31 Jul 2018 16:18:15 +0300
+Subject: [PATCH 1/4] start streaming: check num_codecs
+
+The server sends StreamMsgStartStop to tell spice-streaming-agent
+to start streaming and a list of available codecs.
+
+The first uint8_t is the number of codecs.
+Each following uint8_t is a codec.
+
+This patch checks that the number of codecs in the message, as
+reported by the server, is not too large.
+---
+ src/spice-streaming-agent.cpp | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/spice-streaming-agent.cpp b/src/spice-streaming-agent.cpp
+index 1121f35..9ebbf5d 100644
+--- a/src/spice-streaming-agent.cpp
++++ b/src/spice-streaming-agent.cpp
+@@ -95,6 +95,11 @@ static void handle_stream_start_stop(StreamPort &stream_port, uint32_t len)
+     syslog(LOG_INFO, "GOT START_STOP message -- request to %s streaming\n",
+            streaming_requested ? "START" : "STOP");
+     client_codecs.clear();
++    const int mnc = len - 1; /* max num codecs, see struct StreamMsgStartStop */
++    if (msg[0] > mnc) {
++        throw std::runtime_error("num_codecs=" + std::to_string(msg[0]) +
++                                 " > max_num_codecs=" + std::to_string(mnc));
++    }
+     for (int i = 1; i <= msg[0]; ++i) {
+         client_codecs.insert((SpiceVideoCodecType) msg[i]);
+     }
+-- 
+2.17.1
+

SOURCES/0002-LoadPlugin-call-dlclose-upon-failure.patch

@@ -0,0 +1,33 @@
+From 9a7ba6b16e608054f910a76d28e14fd85a00dec3 Mon Sep 17 00:00:00 2001
+From: Uri Lublin <uril@redhat.com>
+Date: Wed, 1 Aug 2018 11:03:04 +0300
+Subject: [PATCH 2/4] LoadPlugin: call dlclose upon failure
+
+Signed-off-by: Uri Lublin <uril@redhat.com>
+---
+ src/concrete-agent.cpp | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/concrete-agent.cpp b/src/concrete-agent.cpp
+index ca666d7..1f8b4b4 100644
+--- a/src/concrete-agent.cpp
++++ b/src/concrete-agent.cpp
+@@ -88,6 +88,7 @@ void ConcreteAgent::LoadPlugin(const std::string &plugin_filename)
+     if (!version) {
+         syslog(LOG_ERR, "error loading plugin %s: no version information",
+                plugin_filename.c_str());
++        dlclose(dl);
+         return;
+     }
+     if (!PluginVersionIsCompatible(*version)) {
+@@ -95,6 +96,7 @@ void ConcreteAgent::LoadPlugin(const std::string &plugin_filename)
+                "error loading plugin %s: plugin interface version %u.%u not accepted",
+                plugin_filename.c_str(),
+                MajorVersion(*version), MinorVersion(*version));
++        dlclose(dl);
+         return;
+     }
+ 
+-- 
+2.17.1
+

SOURCES/0003-main-better-cleanup-when-XOpenDisplay-or-XFixesQuery.patch

@@ -0,0 +1,38 @@
+From d85f863389cf5e36623aad0eb79818e888e15e66 Mon Sep 17 00:00:00 2001
+From: Uri Lublin <uril@redhat.com>
+Date: Tue, 31 Jul 2018 17:15:09 +0300
+Subject: [PATCH 3/4] main: better cleanup when XOpenDisplay or XFixesQuery
+ fail
+
+close f_log if needed.
+close X display if needed.
+---
+ src/spice-streaming-agent.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/src/spice-streaming-agent.cpp b/src/spice-streaming-agent.cpp
+index 9ebbf5d..f342ebf 100644
+--- a/src/spice-streaming-agent.cpp
++++ b/src/spice-streaming-agent.cpp
+@@ -517,11 +517,18 @@ int main(int argc, char* argv[])
+ 
+     Display *display = XOpenDisplay(NULL);
+     if (display == NULL) {
++        if (f_log) {
++            fclose(f_log);
++        }
+         syslog(LOG_ERR, "failed to open display\n");
+         return EXIT_FAILURE;
+     }
+     int event_base, error_base;
+     if (!XFixesQueryExtension(display, &event_base, &error_base)) {
++        if (f_log) {
++            fclose(f_log);
++        }
++        XCloseDisplay(display);
+         syslog(LOG_ERR, "XFixesQueryExtension failed\n");
+         return EXIT_FAILURE;
+     }
+-- 
+2.17.1
+

SOURCES/0004-jpeg-Do-not-use-next_output_byte-buf_empty_output_bu.patch

@@ -0,0 +1,34 @@
+From 0605440f7344d9d6d1b047992fbadcd256f2c301 Mon Sep 17 00:00:00 2001
+From: Frediano Ziglio <fziglio@redhat.com>
+Date: Tue, 17 Jul 2018 16:24:06 +0100
+Subject: [PATCH 4/4] jpeg: Do not use next_output_byte buf_empty_output_buffer
+
+The pointer is not updated to the last byte used so using it
+to compute the bytes written into the buffer we ignore some bytes
+causing some image corruptions.
+Note that also free_in_buffer is not updated to last written byte.
+When buf_empty_output_buffer is called the buffer is full so use the
+size of it instead of relying on next_output_byte or free_in_buffer.
+
+Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
+Acked-by: Uri Lublin <uril@redhat.com>
+---
+ src/jpeg.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/jpeg.cpp b/src/jpeg.cpp
+index ceee359..5f6d128 100644
+--- a/src/jpeg.cpp
++++ b/src/jpeg.cpp
+@@ -23,7 +23,7 @@ struct JpegBuffer: public jpeg_destination_mgr
+ static boolean buf_empty_output_buffer(j_compress_ptr cinfo)
+ {
+     JpegBuffer *buf = (JpegBuffer *) cinfo->dest;
+-    size_t size = buf->next_output_byte - &buf->buffer[0];
++    size_t size = buf->buffer.size();
+     buf->buffer.resize(buf->buffer.capacity() * 2);
+     buf->next_output_byte = &buf->buffer[0] + size;
+     buf->free_in_buffer = buf->buffer.size() - size;
+-- 
+2.17.1
+

SPECS/spice-streaming-agent.spec

@@ -0,0 +1,97 @@
+Name:           spice-streaming-agent
+Version:        0.2
+Release:        3%{?dist}
+Summary:        SPICE streaming agent
+Group:          Applications/System
+License:        ASL 2.0
+URL:            https://www.redhat.com
+Source0:        %{name}-%{version}.tar.xz
+
+Patch1: 0001-start-streaming-check-num_codecs.patch
+Patch2: 0002-LoadPlugin-call-dlclose-upon-failure.patch
+Patch3: 0003-main-better-cleanup-when-XOpenDisplay-or-XFixesQuery.patch
+Patch4: 0004-jpeg-Do-not-use-next_output_byte-buf_empty_output_bu.patch
+
+BuildRequires:  spice-protocol >= 0.12.14
+BuildRequires:  libX11-devel libXfixes-devel
+BuildRequires:  libjpeg-turbo-devel
+BuildRequires:  catch-devel
+BuildRequires:  pkgconfig(udev)
+# we need /usr/sbin/semanage program which is available on different
+# packages depending on distribution
+Requires(post): /usr/sbin/semanage
+Requires(postun): /usr/sbin/semanage
+
+ExclusiveArch: x86_64
+
+%description
+An agent, running on a guest, sending video streams of the X display to a
+remote client (over SPICE).
+
+%package devel
+Requires: spice-protocol >= 0.12.14
+Requires: pkgconfig
+Summary:  SPICE streaming agent development files
+
+%description devel
+This package contains necessary header files to build SPICE streaming
+agent plugins.
+
+%prep
+%setup -q
+%patch1 -p1
+%patch2 -p1
+%patch3 -p1
+%patch4 -p1
+
+%build
+%configure --enable-tests --with-udevrulesdir=%{_udevrulesdir}
+make %{?_smp_mflags} V=1
+
+%check
+make check
+
+%install
+make install DESTDIR=%{buildroot} V=1
+if test -d "%{buildroot}/%{_libdir}/%{name}/plugins"; then
+    find %{buildroot}/%{_libdir}/%{name}/plugins -name '*.la' -delete
+fi
+
+%post
+semanage fcontext -a -t xserver_exec_t %{_bindir}/spice-streaming-agent 2>/dev/null || :
+restorecon %{_bindir}/spice-streaming-agent || :
+
+%postun
+if [ $1 -eq 0 ] ; then  # final removal
+semanage fcontext -d -t xserver_exec_t %{_bindir}/spice-streaming-agent 2>/dev/null || :
+fi
+
+
+%files
+%doc COPYING NEWS README
+%{_udevrulesdir}/90-spice-guest-streaming.rules
+%{_bindir}/spice-streaming-agent
+%{_sysconfdir}/xdg/autostart/spice-streaming.desktop
+%{_datadir}/gdm/greeter/autostart/spice-streaming.desktop
+
+%files devel
+%defattr(-,root,root,-)
+%{_includedir}
+%{_libdir}/pkgconfig
+
+%changelog
+* Wed Aug  1 2018 Uri Lublin <uril@redhat.com> - 0.2-3
+- Fix coverity issue
+  Related: rhbz#1479294
+
+* Wed Aug  1 2018 Uri Lublin <uril@redhat.com> - 0.2-2
+- Fix coverity issues
+- Fix mjpeg encoder
+  Related: rhbz#1479294
+
+* Thu May 31 2018 Uri Lublin <uril@redhat.com> - 0.2-1
+- First release
+  Related: rhbz#1479294
+
+* Wed Aug 16 2017 Frediano Ziglio <fziglio@redhat.com> - 0.1-1
+- Initial package (pre-release)