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authorLennart Poettering <lennart@poettering.net>2014-11-14 20:06:01 +0100
committerLennart Poettering <lennart@poettering.net>2014-11-14 20:06:01 +0100
commitf5d8989ce5fc4e6eb338ec7b1b2c6d6a74c44c63 (patch)
tree8e06a9e15c7e2a0c5977f4a7128031576d030663 /src/libsystemd/sd-bus/bus-internal.c
parent49d4b1eecfefded66fd48a992633958da30035d7 (diff)
bus-proxy: properly check for bus name prefixes when enforcing policy
Diffstat (limited to 'src/libsystemd/sd-bus/bus-internal.c')
-rw-r--r--src/libsystemd/sd-bus/bus-internal.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-internal.c b/src/libsystemd/sd-bus/bus-internal.c
index 0bea8cac49..91b288cd25 100644
--- a/src/libsystemd/sd-bus/bus-internal.c
+++ b/src/libsystemd/sd-bus/bus-internal.c
@@ -166,6 +166,26 @@ bool service_name_is_valid(const char *p) {
return true;
}
+char* service_name_startswith(const char *a, const char *b) {
+ const char *p;
+
+ if (!service_name_is_valid(a) ||
+ !service_name_is_valid(b))
+ return NULL;
+
+ p = startswith(a, b);
+ if (!p)
+ return NULL;
+
+ if (*p == 0)
+ return (char*) p;
+
+ if (*p == '.')
+ return (char*) p + 1;
+
+ return NULL;
+}
+
bool member_name_is_valid(const char *p) {
const char *q;