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-rw-r--r--src/bus-proxyd/driver.c85
-rw-r--r--src/bus-proxyd/synthesize.c2
-rw-r--r--src/bus-proxyd/synthesize.h2
3 files changed, 85 insertions, 4 deletions
diff --git a/src/bus-proxyd/driver.c b/src/bus-proxyd/driver.c
index 3c613e4157..e63a95d875 100644
--- a/src/bus-proxyd/driver.c
+++ b/src/bus-proxyd/driver.c
@@ -49,9 +49,6 @@ static int get_creds_by_name(sd_bus *bus, const char *name, uint64_t mask, sd_bu
if (r < 0)
return r;
- if ((c->mask & mask) != mask)
- return -ENOTSUP;
-
*_creds = c;
c = NULL;
@@ -109,6 +106,10 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
" <method name=\"RemoveMatch\">\n"
" <arg type=\"s\" direction=\"in\"/>\n"
" </method>\n"
+ " <method name=\"GetConnectionCredentials\">\n"
+ " <arg type=\"s\" direction=\"in\"/>\n"
+ " <arg type=\"a{sv}\" direction=\"out\"/>\n"
+ " </method>\n"
" <method name=\"GetConnectionSELinuxSecurityContext\">\n"
" <arg type=\"s\" direction=\"in\"/>\n"
" <arg type=\"ay\" direction=\"out\"/>\n"
@@ -212,6 +213,72 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
return synthetic_reply_method_return(m, NULL);
+ } else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionCredentials")) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+ _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+
+ if (!sd_bus_message_has_signature(m, "s"))
+ return synthetic_reply_method_error(m, &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_INVALID_ARGS, "Invalid parameters"));
+
+ r = get_creds_by_message(a, m, SD_BUS_CREDS_PID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SELINUX_CONTEXT, &creds, &error);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, &error);
+
+ r = sd_bus_message_new_method_return(m, &reply);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_open_container(reply, 'a', "{sv}");
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ /* Due to i.e. namespace translations some data might be missing */
+
+ if (creds->mask & SD_BUS_CREDS_PID) {
+ r = sd_bus_message_append(reply, "{sv}", "ProcessID", "u", (uint32_t) creds->pid);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+ }
+
+ if (creds->mask & SD_BUS_CREDS_EUID) {
+ r = sd_bus_message_append(reply, "{sv}", "UnixUserID", "u", (uint32_t) creds->euid);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+ }
+
+ if (creds->mask & SD_BUS_CREDS_SELINUX_CONTEXT) {
+ r = sd_bus_message_open_container(reply, 'e', "sv");
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_append(reply, "s", "LinuxSecurityLabel");
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_open_container(reply, 'v', "ay");
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_append_array(reply, 'y', creds->label, strlen(creds->label));
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+ }
+
+ r = sd_bus_message_close_container(reply);
+ if (r < 0)
+ return synthetic_reply_method_errno(m, r, NULL);
+
+ return synthetic_driver_send(m->bus, reply);
+
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionSELinuxSecurityContext")) {
_cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -223,6 +290,9 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
if (r < 0)
return synthetic_reply_method_errno(m, r, &error);
+ if (!(creds->mask & SD_BUS_CREDS_SELINUX_CONTEXT))
+ return synthetic_reply_method_errno(m, -ENOTSUP, NULL);
+
return synthetic_reply_method_return(m, "y", creds->label, strlen(creds->label));
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionUnixProcessID")) {
@@ -236,6 +306,9 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
if (r < 0)
return synthetic_reply_method_errno(m, r, &error);
+ if (!(creds->mask & SD_BUS_CREDS_PID))
+ return synthetic_reply_method_errno(m, -ENOTSUP, NULL);
+
return synthetic_reply_method_return(m, "u", (uint32_t) creds->pid);
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetConnectionUnixUser")) {
@@ -249,6 +322,9 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
if (r < 0)
return synthetic_reply_method_errno(m, r, &error);
+ if (!(creds->mask & SD_BUS_CREDS_EUID))
+ return synthetic_reply_method_errno(m, -ENOTSUP, NULL);
+
return synthetic_reply_method_return(m, "u", (uint32_t) creds->euid);
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "GetId")) {
@@ -283,6 +359,9 @@ int bus_proxy_process_driver(sd_bus *a, sd_bus *b, sd_bus_message *m, SharedPoli
if (r < 0)
return synthetic_reply_method_errno(m, r, &error);
+ if (!(creds->mask & SD_BUS_CREDS_UNIQUE_NAME))
+ return synthetic_reply_method_errno(m, -ENOTSUP, NULL);
+
return synthetic_reply_method_return(m, "s", creds->unique_name);
} else if (sd_bus_message_is_method_call(m, "org.freedesktop.DBus", "ListActivatableNames")) {
diff --git a/src/bus-proxyd/synthesize.c b/src/bus-proxyd/synthesize.c
index 542166f68a..67bcc7a242 100644
--- a/src/bus-proxyd/synthesize.c
+++ b/src/bus-proxyd/synthesize.c
@@ -30,7 +30,7 @@
#include "bus-util.h"
#include "synthesize.h"
-static int synthetic_driver_send(sd_bus *b, sd_bus_message *m) {
+int synthetic_driver_send(sd_bus *b, sd_bus_message *m) {
int r;
assert(b);
diff --git a/src/bus-proxyd/synthesize.h b/src/bus-proxyd/synthesize.h
index a55f171cb2..e850350bc5 100644
--- a/src/bus-proxyd/synthesize.h
+++ b/src/bus-proxyd/synthesize.h
@@ -23,6 +23,8 @@
#include "sd-bus.h"
+int synthetic_driver_send(sd_bus *b, sd_bus_message *m);
+
int synthetic_reply_method_return(sd_bus_message *call, const char *types, ...);
int synthetic_reply_method_return_strv(sd_bus_message *call, char **l);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 20:47:45 +0000