#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
+#include <arpa/inet.h>
#include <atalk/logger.h>
#include <atalk/afp.h>
* Public helper function
********************************************************/
+static unsigned char local_group_uuid[] = {0xab, 0xcd, 0xef,
+ 0xab, 0xcd, 0xef,
+ 0xab, 0xcd, 0xef,
+ 0xab, 0xcd, 0xef};
+
+static unsigned char local_user_uuid[] = {0xff, 0xff, 0xee, 0xee, 0xdd, 0xdd,
+ 0xcc, 0xcc, 0xbb, 0xbb, 0xaa, 0xaa};
+
+void localuuid_from_id(unsigned char *buf, uuidtype_t type, unsigned int id)
+{
+ uint32_t tmp;
+
+ switch (type) {
+ case UUID_GROUP:
+ memcpy(buf, local_group_uuid, 12);
+ break;
+ case UUID_USER:
+ default:
+ memcpy(buf, local_user_uuid, 12);
+ break;
+ }
+
+ tmp = htonl(id);
+ memcpy(buf + 12, &tmp, 4);
+
+ return;
+}
+
/*
* convert ascii string that can include dashes to binary uuid.
* caller must provide a buffer.
* Interface
********************************************************/
-static unsigned char local_group_uuid[] = {0xab, 0xcd, 0xef,
- 0xab, 0xcd, 0xef,
- 0xab, 0xcd, 0xef,
- 0xab, 0xcd, 0xef};
-
-static unsigned char local_user_uuid[] = {0xff, 0xff, 0xee, 0xee, 0xdd, 0xdd,
- 0xcc, 0xcc, 0xbb, 0xbb, 0xaa, 0xaa};
-
/*
* name: give me his name
* type: and type (UUID_USER or UUID_GROUP)
if (ret != 0) {
/* Build a local UUID */
if (type == UUID_USER) {
- memcpy(uuid, local_user_uuid, 12);
struct passwd *pwd;
if ((pwd = getpwnam(name)) == NULL) {
LOG(log_error, logtype_afpd, "getuuidfromname(\"%s\",t:%u): unknown user",
name, uuidtype[type]);
goto cleanup;
}
- uint32_t id = pwd->pw_uid;
- id = htonl(id);
- memcpy(uuid + 12, &id, 4);
+ localuuid_from_id(uuid, UUID_USER, pwd->pw_uid);
} else {
- memcpy(uuid, &local_group_uuid, 12);
struct group *grp;
if ((grp = getgrnam(name)) == NULL) {
LOG(log_error, logtype_afpd, "getuuidfromname(\"%s\",t:%u): unknown user",
name, uuidtype[type]);
goto cleanup;
}
- uint32_t id = grp->gr_gid;
- id = htonl(id);
- memcpy(uuid + 12, &id, 4);
+ localuuid_from_id(uuid, UUID_GROUP, grp->gr_gid);
}
LOG(log_debug, logtype_afpd, "getuuidfromname{local}: name: %s, type: %s -> UUID: %s",
name, uuidtype[type], uuid_bin2string(uuid));