diff options
Diffstat (limited to 'meta/recipes-connectivity/connman/connman/CVE-2022-32293_p1.patch')
| -rw-r--r-- | meta/recipes-connectivity/connman/connman/CVE-2022-32293_p1.patch | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/connman/connman/CVE-2022-32293_p1.patch b/meta/recipes-connectivity/connman/connman/CVE-2022-32293_p1.patch new file mode 100644 index 0000000000..b280203594 --- /dev/null +++ b/meta/recipes-connectivity/connman/connman/CVE-2022-32293_p1.patch @@ -0,0 +1,141 @@ +From 72343929836de80727a27d6744c869dff045757c Mon Sep 17 00:00:00 2001 +From: Daniel Wagner <wagi@monom.org> +Date: Tue, 5 Jul 2022 08:32:12 +0200 +Subject: wispr: Add reference counter to portal context + +Track the connman_wispr_portal_context live time via a +refcounter. This only adds the infrastructure to do proper reference +counting. + +Fixes: CVE-2022-32293 +CVE: CVE-2022-32293 +Upstream-Status: Backport [https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=416bfaff988882c553c672e5bfc2d4f648d29e8a] +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + src/wispr.c | 52 ++++++++++++++++++++++++++++++++++++++++++---------- + 1 file changed, 42 insertions(+), 10 deletions(-) + +diff --git a/src/wispr.c b/src/wispr.c +index a07896ca..bde7e63b 100644 +--- a/src/wispr.c ++++ b/src/wispr.c +@@ -56,6 +56,7 @@ struct wispr_route { + }; + + struct connman_wispr_portal_context { ++ int refcount; + struct connman_service *service; + enum connman_ipconfig_type type; + struct connman_wispr_portal *wispr_portal; +@@ -97,6 +98,11 @@ static char *online_check_ipv4_url = NULL; + static char *online_check_ipv6_url = NULL; + static bool enable_online_to_ready_transition = false; + ++#define wispr_portal_context_ref(wp_context) \ ++ wispr_portal_context_ref_debug(wp_context, __FILE__, __LINE__, __func__) ++#define wispr_portal_context_unref(wp_context) \ ++ wispr_portal_context_unref_debug(wp_context, __FILE__, __LINE__, __func__) ++ + static void connman_wispr_message_init(struct connman_wispr_message *msg) + { + DBG(""); +@@ -162,9 +168,6 @@ static void free_connman_wispr_portal_context( + { + DBG("context %p", wp_context); + +- if (!wp_context) +- return; +- + if (wp_context->wispr_portal) { + if (wp_context->wispr_portal->ipv4_context == wp_context) + wp_context->wispr_portal->ipv4_context = NULL; +@@ -201,9 +204,38 @@ static void free_connman_wispr_portal_context( + g_free(wp_context); + } + ++static struct connman_wispr_portal_context * ++wispr_portal_context_ref_debug(struct connman_wispr_portal_context *wp_context, ++ const char *file, int line, const char *caller) ++{ ++ DBG("%p ref %d by %s:%d:%s()", wp_context, ++ wp_context->refcount + 1, file, line, caller); ++ ++ __sync_fetch_and_add(&wp_context->refcount, 1); ++ ++ return wp_context; ++} ++ ++static void wispr_portal_context_unref_debug( ++ struct connman_wispr_portal_context *wp_context, ++ const char *file, int line, const char *caller) ++{ ++ if (!wp_context) ++ return; ++ ++ DBG("%p ref %d by %s:%d:%s()", wp_context, ++ wp_context->refcount - 1, file, line, caller); ++ ++ if (__sync_fetch_and_sub(&wp_context->refcount, 1) != 1) ++ return; ++ ++ free_connman_wispr_portal_context(wp_context); ++} ++ + static struct connman_wispr_portal_context *create_wispr_portal_context(void) + { +- return g_try_new0(struct connman_wispr_portal_context, 1); ++ return wispr_portal_context_ref( ++ g_new0(struct connman_wispr_portal_context, 1)); + } + + static void free_connman_wispr_portal(gpointer data) +@@ -215,8 +247,8 @@ static void free_connman_wispr_portal(gpointer data) + if (!wispr_portal) + return; + +- free_connman_wispr_portal_context(wispr_portal->ipv4_context); +- free_connman_wispr_portal_context(wispr_portal->ipv6_context); ++ wispr_portal_context_unref(wispr_portal->ipv4_context); ++ wispr_portal_context_unref(wispr_portal->ipv6_context); + + g_free(wispr_portal); + } +@@ -452,7 +484,7 @@ static void portal_manage_status(GWebResult *result, + connman_info("Client-Timezone: %s", str); + + if (!enable_online_to_ready_transition) +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + + __connman_service_ipconfig_indicate_state(service, + CONNMAN_SERVICE_STATE_ONLINE, type); +@@ -616,7 +648,7 @@ static void wispr_portal_request_wispr_login(struct connman_service *service, + return; + } + +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + return; + } + +@@ -952,7 +984,7 @@ static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context) + + if (wp_context->token == 0) { + err = -EINVAL; +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + } + } else if (wp_context->timeout == 0) { + wp_context->timeout = g_idle_add(no_proxy_callback, wp_context); +@@ -1001,7 +1033,7 @@ int __connman_wispr_start(struct connman_service *service, + + /* If there is already an existing context, we wipe it */ + if (wp_context) +- free_connman_wispr_portal_context(wp_context); ++ wispr_portal_context_unref(wp_context); + + wp_context = create_wispr_portal_context(); + if (!wp_context) +-- +cgit + |