#include <stdlib.h>
#include <string.h>
#include <errno.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
#include <atalk/logger.h>
#include <atalk/afp.h>
#include "aclldap.h"
#include "cache.h"
-char *uuidtype[] = {"NULL","USER", "GROUP"};
+char *uuidtype[] = {"NULL","USER", "GROUP", "LOCAL"};
/********************************************************
* Public helper function
}
-/*
- * convert 16 byte binary uuid to neat ascii represantation including dashes
- * string is allocated and pointer returned. caller must freee.
+/*!
+ * Convert 16 byte binary uuid to neat ascii represantation including dashes.
+ *
+ * Returns pointer to static buffer.
*/
-int uuid_bin2string( uuidp_t uuid, char **uuidstring) {
- char ascii[16] = { "0123456789ABCDEF" };
- int nibble = 1;
+const char *uuid_bin2string(unsigned char *uuid) {
+ static char uuidstring[UUID_STRINGSIZE + 1];
+
int i = 0;
unsigned char c;
- char *s;
-
- *uuidstring = calloc(1, UUID_STRINGSIZE + 1);
- if (*uuidstring == NULL) {
- LOG(log_error, logtype_default, "uuid_bin2string: %s: error calloc'ing",strerror(errno));
- return -1;
- }
- s = *uuidstring;
while (i < UUID_STRINGSIZE) {
c = *uuid;
- if (nibble)
- c = c >> 4;
- else {
- c &= 0x0f;
- uuid++;
- }
- s[i] = ascii[c];
- nibble ^= 1;
- i++;
+ uuid++;
+ sprintf(uuidstring + i, "%02X", c);
+ i += 2;
if (i==8 || i==13 || i==18 || i==23)
- s[i++] = '-';
+ uuidstring[i++] = '-';
}
- return 0;
+ uuidstring[i] = 0;
+ return uuidstring;
}
/********************************************************
*/
int getuuidfromname( const char *name, uuidtype_t type, uuidp_t uuid) {
int ret = 0;
+#ifdef HAVE_LDAP
char *uuid_string = NULL;
-
+#endif
ret = search_cachebyname( name, type, uuid);
- if (ret == 0) { /* found in cache */
-#ifdef DEBUG
- uuid_bin2string( uuid, &uuid_string);
+ if (ret == 0) {
+ /* found in cache */
LOG(log_debug, logtype_afpd, "getuuidfromname{cache}: name: %s, type: %s -> UUID: %s",
- name, uuidtype[type], uuid_string);
-#else
- LOG(log_debug, logtype_afpd, "getuuidfromname{cache}: name: %s, type: %s",
- name, uuidtype[type]);
+ name, uuidtype[type], uuid_bin2string(uuid));
+ } else {
+ /* if not found in cache */
+#ifdef HAVE_LDAP
+ if ((ret = ldap_getuuidfromname( name, type, &uuid_string)) == 0) {
+ uuid_string2bin( uuid_string, uuid);
+ LOG(log_debug, logtype_afpd, "getuuidfromname{local}: name: %s, type: %s -> UUID: %s",
+ name, uuidtype[type], uuid_bin2string(uuid));
+ } else {
+ LOG(log_debug, logtype_afpd, "getuuidfromname(\"%s\",t:%u): no result from ldap search",
+ name, type);
+ }
#endif
- } else { /* if not found in cache */
- ret = ldap_getuuidfromname( name, type, &uuid_string);
if (ret != 0) {
- LOG(log_info, logtype_afpd, "getuuidfromname: no result from ldap_getuuidfromname");
- goto cleanup;
+ /* Build a local UUID */
+ if (type == UUID_USER) {
+ struct passwd *pwd;
+ if ((pwd = getpwnam(name)) == NULL) {
+ LOG(log_error, logtype_afpd, "getuuidfromname(\"%s\",t:%u): unknown user",
+ name, uuidtype[type]);
+ goto cleanup;
+ }
+ localuuid_from_id(uuid, UUID_USER, pwd->pw_uid);
+ } else {
+ struct group *grp;
+ if ((grp = getgrnam(name)) == NULL) {
+ LOG(log_error, logtype_afpd, "getuuidfromname(\"%s\",t:%u): unknown user",
+ name, uuidtype[type]);
+ goto cleanup;
+ }
+ 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));
}
- uuid_string2bin( uuid_string, uuid);
+ ret = 0;
add_cachebyname( name, uuid, type, 0);
- LOG(log_debug, logtype_afpd, "getuuidfromname{LDAP}: name: %s, type: %s -> UUID: %s",name, uuidtype[type], uuid_string);
}
cleanup:
- free(uuid_string);
+#ifdef HAVE_LDAP
+ if (uuid_string) free(uuid_string);
+#endif
return ret;
}
-/*
+
+/*
* uuidp: pointer to a uuid
* name: returns allocated buffer from ldap_getnamefromuuid
- * type: returns USER or GROUP
+ * type: returns USER, GROUP or LOCAL
* return 0 on success !=0 on errror
*
* Caller must free name appropiately.
*/
-int getnamefromuuid( uuidp_t uuidp, char **name, uuidtype_t *type) {
+int getnamefromuuid(const uuidp_t uuidp, char **name, uuidtype_t *type) {
int ret;
- char *uuid_string = NULL;
ret = search_cachebyuuid( uuidp, name, type);
- if (ret == 0) { /* found in cache */
-#ifdef DEBUG
- uuid_bin2string( uuidp, &uuid_string);
+ if (ret == 0) {
+ /* found in cache */
LOG(log_debug9, logtype_afpd, "getnamefromuuid{cache}: UUID: %s -> name: %s, type:%s",
- uuid_string, *name, uuidtype[*type]);
- free(uuid_string);
- uuid_string = NULL;
-#endif
- } else { /* if not found in cache */
- uuid_bin2string( uuidp, &uuid_string);
- ret = ldap_getnamefromuuid( uuid_string, name, type);
+ uuid_bin2string(uuidp), *name, uuidtype[*type]);
+ } else {
+ /* not found in cache */
+
+ /* Check if UUID is a client local one */
+ if (memcmp(uuidp, local_user_uuid, 12) == 0
+ || memcmp(uuidp, local_group_uuid, 12) == 0) {
+ LOG(log_debug, logtype_afpd, "getnamefromuuid: local UUID: %" PRIu32 "",
+ ntohl(*(uint32_t *)(uuidp + 12)));
+ *type = UUID_LOCAL;
+ *name = strdup("UUID_LOCAL");
+ return 0;
+ }
+
+#ifdef HAVE_LDAP
+ ret = ldap_getnamefromuuid(uuid_bin2string(uuidp), name, type);
if (ret != 0) {
LOG(log_warning, logtype_afpd, "getnamefromuuid(%s): no result from ldap_getnamefromuuid",
- uuid_string);
+ uuid_bin2string(uuidp));
goto cleanup;
}
add_cachebyuuid( uuidp, *name, *type, 0);
LOG(log_debug, logtype_afpd, "getnamefromuuid{LDAP}: UUID: %s -> name: %s, type:%s",
- uuid_string, *name, uuidtype[*type]);
+ uuid_bin2string(uuidp), *name, uuidtype[*type]);
+#endif
}
cleanup:
- free(uuid_string);
return ret;
}
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