Compare commits
No commits in common. 'c9' and 'i9-beta' have entirely different histories.
@ -1 +1 @@
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SOURCES/tigervnc-1.14.1.tar.gz
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SOURCES/tigervnc-1.14.0.tar.gz
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@ -1 +1 @@
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bc3c8bc9f454eb307011cd5965251f4a28040a25 SOURCES/tigervnc-1.14.1.tar.gz
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9e67944113159da85f42c24b43f40b842f23feb3 SOURCES/tigervnc-1.14.0.tar.gz
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@ -0,0 +1,24 @@
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From 4f6a3521874da5a67fd746389cfa9b6199eb3582 Mon Sep 17 00:00:00 2001
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From: Pierre Ossman <ossman@cendio.se>
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Date: Mon, 29 Jul 2024 16:16:08 +0200
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Subject: [PATCH] Add missing comma in default security type list
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Otherwise it merges with the next entry, removing both of them from the
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default list.
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---
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common/rfb/SecurityClient.cxx | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/common/rfb/SecurityClient.cxx b/common/rfb/SecurityClient.cxx
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index 12860662f..63e0cadc0 100644
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--- a/common/rfb/SecurityClient.cxx
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+++ b/common/rfb/SecurityClient.cxx
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@@ -60,7 +60,7 @@ StringParameter SecurityClient::secTypes
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"X509Plain,TLSPlain,X509Vnc,TLSVnc,X509None,TLSNone,"
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#endif
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#ifdef HAVE_NETTLE
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- "RA2,RA2_256,RA2ne,RA2ne_256,DH,MSLogonII"
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+ "RA2,RA2_256,RA2ne,RA2ne_256,DH,MSLogonII,"
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#endif
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"VncAuth,None",
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ConfViewer);
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@ -0,0 +1,29 @@
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From 6d9017eeb364491cf2acdf1c7e61aee8dd198527 Mon Sep 17 00:00:00 2001
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From: Pierre Ossman <ossman@cendio.se>
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Date: Fri, 30 Aug 2024 16:15:09 +0200
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Subject: [PATCH] Correctly handle ZRLE cursors
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Cursor data has a depth of 32 bits and hence cannot use CPIXELs.
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This is a regression from baca73d.
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---
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common/rfb/ZRLEDecoder.cxx | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/common/rfb/ZRLEDecoder.cxx b/common/rfb/ZRLEDecoder.cxx
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index 474fd6ca1..e274a697a 100644
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--- a/common/rfb/ZRLEDecoder.cxx
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+++ b/common/rfb/ZRLEDecoder.cxx
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@@ -125,10 +125,10 @@ void ZRLEDecoder::zrleDecode(const Rect& r, rdr::InStream* is,
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Pixel maxPixel = pf.pixelFromRGB((uint16_t)-1, (uint16_t)-1, (uint16_t)-1);
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bool fitsInLS3Bytes = maxPixel < (1<<24);
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bool fitsInMS3Bytes = (maxPixel & 0xff) == 0;
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- bool isLowCPixel = (sizeof(T) == 4) &&
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+ bool isLowCPixel = (sizeof(T) == 4) && (pf.depth <= 24) &&
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((fitsInLS3Bytes && pf.isLittleEndian()) ||
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(fitsInMS3Bytes && pf.isBigEndian()));
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- bool isHighCPixel = (sizeof(T) == 4) &&
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+ bool isHighCPixel = (sizeof(T) == 4) && (pf.depth <= 24) &&
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((fitsInLS3Bytes && pf.isBigEndian()) ||
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(fitsInMS3Bytes && pf.isLittleEndian()));
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@ -0,0 +1,27 @@
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From 445e0230cf4e939dcc59caf5d5f001c2f7b04da6 Mon Sep 17 00:00:00 2001
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From: Pierre Ossman <ossman@cendio.se>
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Date: Thu, 15 Aug 2024 14:24:42 +0200
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Subject: [PATCH] Handle existing config directory in vncpasswd
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This fixes commit a79c33d.
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---
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unix/vncpasswd/vncpasswd.cxx | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/unix/vncpasswd/vncpasswd.cxx b/unix/vncpasswd/vncpasswd.cxx
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index 6666955f1..9f794e129 100644
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--- a/unix/vncpasswd/vncpasswd.cxx
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+++ b/unix/vncpasswd/vncpasswd.cxx
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@@ -213,8 +213,10 @@ int main(int argc, char** argv)
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exit(1);
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}
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if (os::mkdir_p(configDir, 0777) == -1) {
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- fprintf(stderr, "Could not create VNC config directory: %s\n", strerror(errno));
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- exit(1);
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+ if (errno != EEXIST) {
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+ fprintf(stderr, "Could not create VNC config directory: %s\n", strerror(errno));
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+ exit(1);
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+ }
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}
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snprintf(fname, sizeof(fname), "%s/passwd", configDir);
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}
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@ -1,94 +0,0 @@
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From e26bc65b92d1e43570619deadf20b965e0952fef Mon Sep 17 00:00:00 2001
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From: Pat Riehecky <riehecky@fnal.gov>
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Date: Wed, 31 Jul 2024 14:43:46 -0500
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Subject: [PATCH] vncsession: Move existing log to log.old if present
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---
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unix/vncserver/vncsession.c | 47 ++++++++++++++++++++++++++++---------
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1 file changed, 36 insertions(+), 11 deletions(-)
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diff --git a/unix/vncserver/vncsession.c b/unix/vncserver/vncsession.c
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index 98a0432aa..a10e0789e 100644
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--- a/unix/vncserver/vncsession.c
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+++ b/unix/vncserver/vncsession.c
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@@ -393,8 +393,9 @@ redir_stdio(const char *homedir, const char *display, char **envp)
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int fd;
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long hostlen;
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char* hostname = NULL, *xdgstate;
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- char logfile[PATH_MAX], legacy[PATH_MAX];
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+ char logdir[PATH_MAX], logfile[PATH_MAX], logfile_old[PATH_MAX], legacy[PATH_MAX];
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struct stat st;
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+ size_t fmt_len;
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fd = open("/dev/null", O_RDONLY);
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if (fd == -1) {
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@@ -408,15 +409,24 @@ redir_stdio(const char *homedir, const char *display, char **envp)
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close(fd);
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xdgstate = getenvp("XDG_STATE_HOME", envp);
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- if (xdgstate != NULL && xdgstate[0] == '/')
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- snprintf(logfile, sizeof(logfile), "%s/tigervnc", xdgstate);
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- else
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- snprintf(logfile, sizeof(logfile), "%s/.local/state/tigervnc", homedir);
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+ if (xdgstate != NULL && xdgstate[0] == '/') {
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+ fmt_len = snprintf(logdir, sizeof(logdir), "%s/tigervnc", xdgstate);
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+ if (fmt_len >= sizeof(logdir)) {
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+ syslog(LOG_CRIT, "Log dir path too long");
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+ _exit(EX_OSERR);
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+ }
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+ } else {
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+ fmt_len = snprintf(logdir, sizeof(logdir), "%s/.local/state/tigervnc", homedir);
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+ if (fmt_len >= sizeof(logdir)) {
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+ syslog(LOG_CRIT, "Log dir path too long");
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+ _exit(EX_OSERR);
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+ }
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+ }
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snprintf(legacy, sizeof(legacy), "%s/.vnc", homedir);
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- if (stat(logfile, &st) != 0 && stat(legacy, &st) == 0) {
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+ if (stat(logdir, &st) != 0 && stat(legacy, &st) == 0) {
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syslog(LOG_WARNING, "~/.vnc is deprecated, please consult 'man vncsession' for paths to migrate to.");
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- strcpy(logfile, legacy);
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+ strcpy(logdir, legacy);
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#ifdef HAVE_SELINUX
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/* this is only needed to handle historical type changes for the legacy dir */
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@@ -431,9 +441,9 @@ redir_stdio(const char *homedir, const char *display, char **envp)
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#endif
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}
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- if (mkdir_p(logfile, 0755) == -1) {
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+ if (mkdir_p(logdir, 0755) == -1) {
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if (errno != EEXIST) {
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- syslog(LOG_CRIT, "Failure creating \"%s\": %s", logfile, strerror(errno));
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+ syslog(LOG_CRIT, "Failure creating \"%s\": %s", logdir, strerror(errno));
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_exit(EX_OSERR);
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}
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}
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@@ -450,9 +460,24 @@ redir_stdio(const char *homedir, const char *display, char **envp)
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_exit(EX_OSERR);
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}
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- snprintf(logfile + strlen(logfile), sizeof(logfile) - strlen(logfile), "/%s%s.log",
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- hostname, display);
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+ fmt_len = snprintf(logfile, sizeof(logfile), "/%s/%s%s.log", logdir, hostname, display);
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+ if (fmt_len >= sizeof(logfile)) {
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+ syslog(LOG_CRIT, "Log path too long");
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+ _exit(EX_OSERR);
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+ }
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+ fmt_len = snprintf(logfile_old, sizeof(logfile_old), "/%s/%s%s.log.old", logdir, hostname, display);
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+ if (fmt_len >= sizeof(logfile)) {
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+ syslog(LOG_CRIT, "Log.old path too long");
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+ _exit(EX_OSERR);
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+ }
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free(hostname);
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+
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+ if (stat(logfile, &st) == 0) {
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+ if (rename(logfile, logfile_old) != 0) {
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+ syslog(LOG_CRIT, "Failure renaming log file \"%s\" to \"%s\": %s", logfile, logfile_old, strerror(errno));
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+ _exit(EX_OSERR);
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+ }
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+ }
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fd = open(logfile, O_CREAT | O_WRONLY | O_TRUNC, 0644);
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if (fd == -1) {
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syslog(LOG_CRIT, "Failure creating log file \"%s\": %s", logfile, strerror(errno));
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@ -0,0 +1,29 @@
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From 4db34f73d461b973867ddaf18bf690219229cd7a Mon Sep 17 00:00:00 2001
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From: Carlos Santos <casantos@redhat.com>
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Date: Thu, 25 Jul 2024 18:39:59 -0300
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Subject: [PATCH] vncsession: use /bin/sh if the user shell is not set
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An empty shell field in the password file is valid, although not common.
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Use /bin/sh in this case, as documented in the passwd(5) man page, since
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the vncserver script requires a non-empty SHELL environment variable.
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Fixes issue #1786.
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Signed-off-by: Carlos Santos <casantos@redhat.com>
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---
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unix/vncserver/vncsession.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/unix/vncserver/vncsession.c b/unix/vncserver/vncsession.c
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index 1ee096c7c..98a0432aa 100644
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--- a/unix/vncserver/vncsession.c
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+++ b/unix/vncserver/vncsession.c
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@@ -545,7 +545,7 @@ run_script(const char *username, const char *display, char **envp)
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// Set up some basic environment for the script
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setenv("HOME", pwent->pw_dir, 1);
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- setenv("SHELL", pwent->pw_shell, 1);
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+ setenv("SHELL", *pwent->pw_shell != '\0' ? pwent->pw_shell : "/bin/sh", 1);
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setenv("LOGNAME", pwent->pw_name, 1);
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setenv("USER", pwent->pw_name, 1);
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setenv("USERNAME", pwent->pw_name, 1);
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@ -1,54 +0,0 @@
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From 56351307017e2501f7cd6e31efcfb55c19aba75a Mon Sep 17 00:00:00 2001
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From: Matthieu Herrb <matthieu@herrb.eu>
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Date: Thu, 10 Oct 2024 10:37:28 +0200
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Subject: [PATCH] xkb: Fix buffer overflow in _XkbSetCompatMap()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The _XkbSetCompatMap() function attempts to resize the `sym_interpret`
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buffer.
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However, It didn't update its size properly. It updated `num_si` only,
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without updating `size_si`.
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This may lead to local privilege escalation if the server is run as root
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or remote code execution (e.g. x11 over ssh).
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CVE-2024-9632, ZDI-CAN-24756
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This vulnerability was discovered by:
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Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
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Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
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Tested-by: Peter Hutterer <peter.hutterer@who-t.net>
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Reviewed-by: José Expósito <jexposit@redhat.com>
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---
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xkb/xkb.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/xkb/xkb.c b/xkb/xkb.c
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index f203270d5..70e8279aa 100644
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--- a/xkb/xkb.c
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+++ b/xkb/xkb.c
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@@ -2991,13 +2991,13 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
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XkbSymInterpretPtr sym;
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unsigned int skipped = 0;
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- if ((unsigned) (req->firstSI + req->nSI) > compat->num_si) {
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- compat->num_si = req->firstSI + req->nSI;
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+ if ((unsigned) (req->firstSI + req->nSI) > compat->size_si) {
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+ compat->num_si = compat->size_si = req->firstSI + req->nSI;
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compat->sym_interpret = reallocarray(compat->sym_interpret,
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- compat->num_si,
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+ compat->size_si,
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sizeof(XkbSymInterpretRec));
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if (!compat->sym_interpret) {
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- compat->num_si = 0;
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+ compat->num_si = compat->size_si = 0;
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return BadAlloc;
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}
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}
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--
|
||||
2.46.2
|
||||
|
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