statd: Replace note() with xlog() in rpc.statd

[nfs-utils.git] / utils / mountd / cache.c

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index 2ebdd45b2007be60923cb5343c73c40c8728ba42..e4e2f228f848a458a9d6e30a3c6e02ef8b43bec1 100644 (file)
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -14,6 +14,7 @@
 #include <sys/types.h>
 #include <sys/select.h>
 #include <sys/stat.h>
+#include <sys/vfs.h>
 #include <time.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
@@ -167,6 +168,41 @@ void auth_unix_gid(FILE *f)
 }
 
 #if USE_BLKID
+static const char *get_uuid_blkdev(char *path)
+{
+       static blkid_cache cache = NULL;
+       struct stat stb;
+       char *devname;
+       blkid_tag_iterate iter;
+       blkid_dev dev;
+       const char *type;
+       const char *val = NULL;
+
+       if (cache == NULL)
+               blkid_get_cache(&cache, NULL);
+
+       if (stat(path, &stb) != 0)
+               return NULL;
+       devname = blkid_devno_to_devname(stb.st_dev);
+       if (!devname)
+               return NULL;
+       dev = blkid_get_dev(cache, devname, BLKID_DEV_NORMAL);
+       free(devname);
+       if (!dev)
+               return NULL;
+       iter = blkid_tag_iterate_begin(dev);
+       if (!iter)
+               return NULL;
+       while (blkid_tag_next(iter, &type, &val) == 0)
+               if (strcmp(type, "UUID") == 0)
+                       break;
+       blkid_tag_iterate_end(iter);
+       return val;
+}
+#else
+#define get_uuid_blkdev(path) (NULL)
+#endif
+
 int get_uuid(char *path, char *uuid, int uuidlen, char *u)
 {
        /* extract hex digits from uuidstr and compose a uuid
@@ -174,36 +210,22 @@ int get_uuid(char *path, char *uuid, int uuidlen, char *u)
         * a smaller uuid.  Then compare with uuid
         */
        int i = 0;
-       const char *val;
+       const char *val = NULL;
+       char fsid_val[17];
 
        if (path) {
-               static blkid_cache cache = NULL;
-               struct stat stb;
-               char *devname;
-               blkid_tag_iterate iter;
-               blkid_dev dev;
-               const char *type;
-               if (cache == NULL)
-                       blkid_get_cache(&cache, NULL);
-
-               if (stat(path, &stb) != 0)
-                       return 0;
-               devname = blkid_devno_to_devname(stb.st_dev);
-               if (!devname)
-                       return 0;
-               dev = blkid_get_dev(cache, devname, BLKID_DEV_NORMAL);
-               free(devname);
-               if (!dev)
-                       return 0;
-               iter = blkid_tag_iterate_begin(dev);
-               if (!iter)
-                       return 0;
-               while (blkid_tag_next(iter, &type, &val) == 0)
-                       if (strcmp(type, "UUID") == 0)
-                               break;
-               blkid_tag_iterate_end(iter);
-               if (!type)
-                       return 0;
+               val = get_uuid_blkdev(path);
+               if (!val) {
+                       struct statfs64 st;
+
+                       if (statfs64(path, &st))
+                               return 0;
+                       if (!st.f_fsid.__val[0] && !st.f_fsid.__val[1])
+                               return 0;
+                       snprintf(fsid_val, 17, "%08x%08x",
+                                st.f_fsid.__val[0], st.f_fsid.__val[1]);
+                       val = fsid_val;
+               }
        } else {
                val = uuid;
        }
@@ -229,7 +251,6 @@ int get_uuid(char *path, char *uuid, int uuidlen, char *u)
        }
        return 1;
 }
-#endif
 
 /* Iterate through /etc/mtab, finding mountpoints
  * at or below a given path
@@ -373,7 +394,7 @@ void nfsd_fh(FILE *f)
        /* Now determine export point for this fsid/domain */
        for (i=0 ; i < MCL_MAXTYPES; i++) {
                nfs_export *next_exp;
-               for (exp = exportlist[i]; exp; exp = next_exp) {
+               for (exp = exportlist[i].p_head; exp; exp = next_exp) {
                        struct stat stb;
                        char u[16];
                        char *path;
@@ -439,20 +460,15 @@ void nfsd_fh(FILE *f)
                                if (!is_mountpoint(path))
                                        continue;
                        check_uuid:
-#if USE_BLKID
                                if (exp->m_export.e_uuid)
                                        get_uuid(NULL, exp->m_export.e_uuid,
                                                 uuidlen, u);
-                               else if (get_uuid(path, NULL,
-                                                 uuidlen, u) == 0)
+                               else if (get_uuid(path, NULL, uuidlen, u) == 0)
                                        continue;
 
                                if (memcmp(u, fhuuid, uuidlen) != 0)
                                        continue;
                                break;
-#else
-                               continue;
-#endif
                        }
                        if (use_ipaddr) {
                                if (he == NULL) {
@@ -548,7 +564,7 @@ static void write_fsloc(FILE *f, struct exportent *ep, char *path)
        release_replicas(servers);
 }
 
-static void write_secinfo(FILE *f, struct exportent *ep)
+static void write_secinfo(FILE *f, struct exportent *ep, int flag_mask)
 {
        struct sec_entry *p;
 
@@ -562,7 +578,7 @@ static void write_secinfo(FILE *f, struct exportent *ep)
        qword_printint(f, p - ep->e_secinfo);
        for (p = ep->e_secinfo; p->flav; p++) {
                qword_printint(f, p->flav->fnum);
-               qword_printint(f, p->flags);
+               qword_printint(f, p->flags & flag_mask);
        }
 
 }
@@ -574,17 +590,14 @@ static int dump_to_cache(FILE *f, char *domain, char *path, struct exportent *ex
        qword_printint(f, time(0)+30*60);
        if (exp) {
                int different_fs = strcmp(path, exp->e_path) != 0;
-               
-               if (different_fs)
-                       qword_printint(f, exp->e_flags & ~NFSEXP_FSID);
-               else
-                       qword_printint(f, exp->e_flags);
+               int flag_mask = different_fs ? ~NFSEXP_FSID : ~0;
+
+               qword_printint(f, exp->e_flags & flag_mask);
                qword_printint(f, exp->e_anonuid);
                qword_printint(f, exp->e_anongid);
                qword_printint(f, exp->e_fsid);
                write_fsloc(f, exp, path);
-               write_secinfo(f, exp);
-#if USE_BLKID
+               write_secinfo(f, exp, flag_mask);
                if (exp->e_uuid == NULL || different_fs) {
                        char u[16];
                        if (get_uuid(path, NULL, 16, u)) {
@@ -597,7 +610,6 @@ static int dump_to_cache(FILE *f, char *domain, char *path, struct exportent *ex
                        qword_print(f, "uuid");
                        qword_printhex(f, u, 16);
                }
-#endif
        }
        return qword_eol(f);
 }
@@ -640,7 +652,7 @@ void nfsd_export(FILE *f)
 
        /* now find flags for this export point in this domain */
        for (i=0 ; i < MCL_MAXTYPES; i++) {
-               for (exp = exportlist[i]; exp; exp = exp->m_next) {
+               for (exp = exportlist[i].p_head; exp; exp = exp->m_next) {
                        if (!use_ipaddr && !client_member(dom, exp->m_client->m_hostname))
                                continue;
                        if (exp->m_export.e_flags & NFSEXP_CROSSMOUNT) {