2189919 - CGI scripts don't work with local Negotiate authentication
Resolves: rhbz#2189919
This commit is contained in:
Zdenek Dohnal
parent
a23607656f
commit
35035e002c
115
cups-local-negotiate.patch
Normal file
115
cups-local-negotiate.patch
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@ -0,0 +1,115 @@
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diff --git a/cups/auth.c b/cups/auth.c
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index db45bbb..b6fec6b 100644
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--- a/cups/auth.c
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+++ b/cups/auth.c
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@@ -90,6 +90,7 @@ static void cups_gss_printf(OM_uint32 major_status, OM_uint32 minor_status,
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# define cups_gss_printf(major, minor, message)
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# endif /* DEBUG */
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#endif /* HAVE_GSSAPI */
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+static int cups_is_local_connection(http_t *http);
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static int cups_local_auth(http_t *http);
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@@ -174,10 +175,10 @@ cupsDoAuthentication(
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DEBUG_printf(("2cupsDoAuthentication: Trying scheme \"%s\"...", scheme));
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#ifdef HAVE_GSSAPI
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- if (!_cups_strcasecmp(scheme, "Negotiate"))
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+ if (!_cups_strcasecmp(scheme, "Negotiate") && !cups_is_local_connection(http))
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{
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/*
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- * Kerberos authentication...
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+ * Kerberos authentication to remote server...
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*/
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int gss_status; /* Auth status */
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@@ -201,7 +202,9 @@ cupsDoAuthentication(
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}
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else
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#endif /* HAVE_GSSAPI */
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- if (_cups_strcasecmp(scheme, "Basic") && _cups_strcasecmp(scheme, "Digest"))
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+ if (_cups_strcasecmp(scheme, "Basic") &&
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+ _cups_strcasecmp(scheme, "Digest") &&
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+ _cups_strcasecmp(scheme, "Negotiate"))
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{
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/*
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* Other schemes not yet supported...
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@@ -215,7 +218,7 @@ cupsDoAuthentication(
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* See if we should retry the current username:password...
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*/
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- if ((http->digest_tries > 1 || !http->userpass[0]) && (!_cups_strcasecmp(scheme, "Basic") || (!_cups_strcasecmp(scheme, "Digest"))))
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+ if (http->digest_tries > 1 || !http->userpass[0])
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{
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/*
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* Nope - get a new password from the user...
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@@ -295,7 +298,7 @@ cupsDoAuthentication(
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}
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}
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- if (http->authstring)
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+ if (http->authstring && http->authstring[0])
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{
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DEBUG_printf(("1cupsDoAuthentication: authstring=\"%s\".", http->authstring));
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@@ -916,6 +919,14 @@ cups_gss_printf(OM_uint32 major_status,/* I - Major status code */
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# endif /* DEBUG */
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#endif /* HAVE_GSSAPI */
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+static int /* O - 0 if not a local connection */
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+ /* 1 if local connection */
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+cups_is_local_connection(http_t *http) /* I - HTTP connection to server */
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+{
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+ if (!httpAddrLocalhost(http->hostaddr) && _cups_strcasecmp(http->hostname, "localhost") != 0)
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+ return 0;
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+ return 1;
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+}
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/*
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* 'cups_local_auth()' - Get the local authorization certificate if
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@@ -958,7 +969,7 @@ cups_local_auth(http_t *http) /* I - HTTP connection to server */
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* See if we are accessing localhost...
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*/
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- if (!httpAddrLocalhost(http->hostaddr) && _cups_strcasecmp(http->hostname, "localhost") != 0)
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+ if (!cups_is_local_connection(http))
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{
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DEBUG_puts("8cups_local_auth: Not a local connection!");
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return (1);
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@@ -1032,11 +1043,6 @@ cups_local_auth(http_t *http) /* I - HTTP connection to server */
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}
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# endif /* HAVE_AUTHORIZATION_H */
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-# ifdef HAVE_GSSAPI
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- if (cups_auth_find(www_auth, "Negotiate"))
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- return (1);
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-# endif /* HAVE_GSSAPI */
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-
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# if defined(SO_PEERCRED) && defined(AF_LOCAL)
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/*
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* See if we can authenticate using the peer credentials provided over a
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diff --git a/scheduler/client.c b/scheduler/client.c
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index 89c76bf..40708d9 100644
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--- a/scheduler/client.c
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+++ b/scheduler/client.c
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@@ -2244,18 +2244,13 @@ cupsdSendHeader(
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}
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else if (auth_type == CUPSD_AUTH_NEGOTIATE)
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{
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-#if defined(SO_PEERCRED) && defined(AF_LOCAL)
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- if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL)
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- strlcpy(auth_str, "PeerCred", sizeof(auth_str));
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- else
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-#endif /* SO_PEERCRED && AF_LOCAL */
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strlcpy(auth_str, "Negotiate", sizeof(auth_str));
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}
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- if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && !con->is_browser && !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost"))
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+ if (con->best && !con->is_browser && !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost"))
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{
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/*
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- * Add a "trc" (try root certification) parameter for local non-Kerberos
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+ * Add a "trc" (try root certification) parameter for local
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* requests when the request requires system group membership - then the
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* client knows the root certificate can/should be used.
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*
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@ -17,7 +17,7 @@ Summary: CUPS printing system
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Name: cups
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Epoch: 1
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Version: 2.3.3%{OP_VER}
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Release: 17%{?dist}
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Release: 18%{?dist}
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License: ASL 2.0
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Url: http://www.cups.org/
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# Apple stopped uploading the new versions into github, use OpenPrinting fork
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@ -103,6 +103,8 @@ Patch27: 0001-cups-tls-gnutls.c-Use-always-GNUTLS_SHUT_WR.patch
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Patch28: 0001-Update-man-pages-for-h-option-Issue-357.patch
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# CVE-2022-26691 cups: authorization bypass when using "local" authorization
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Patch29: 0001-scheduler-cert.c-Fix-string-comparison-fixes-CVE-202.patch
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# 2189919 - CGI scripts don't work with local Negotiate authentication
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Patch30: cups-local-negotiate.patch
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##### Patches removed because IMHO they aren't no longer needed
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@ -337,6 +339,8 @@ to CUPS daemon. This solution will substitute printer drivers and raw queues in
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%patch28 -p1 -b .manpage-update
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# CVE-2022-26691 cups: authorization bypass when using "local" authorization
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%patch29 -p1 -b .cve26691
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# 2189919 - CGI scripts don't work with local Negotiate authentication
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%patch30 -p1 -b .local-negotiate
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%if %{lspp}
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# LSPP support.
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@ -760,6 +764,9 @@ rm -f %{cups_serverbin}/backend/smb
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%{_mandir}/man7/ippeveps.7.gz
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%changelog
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* Wed Apr 26 2023 Zdenek Dohnal <zdohnal@redhat.com> - 1:2.3.3op2-18
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- 2189919 - CGI scripts don't work with local Negotiate authentication
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* Mon Apr 03 2023 Zdenek Dohnal <zdohnal@redhat.com> - 1:2.3.3op2-17
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- RHEL-314 - Enable fmf tests in centos stream
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