]> git.decadent.org.uk Git - nfs-utils.git/blobdiff - utils/idmapd/idmapd.c
statd: Replace note() with xlog() in rpc.statd
[nfs-utils.git] / utils / idmapd / idmapd.c
index 355c6e100c28c251c768cc8e8bb4ff2f23119f33..573abaaead3153817fec3667169d6267c8bf1df2 100644 (file)
@@ -66,7 +66,7 @@
 #endif /* HAVE_CONFIG_H */
 
 #include "xlog.h"
-#include "cfg.h"
+#include "conffile.h"
 #include "queue.h"
 #include "nfslib.h"
 
@@ -139,6 +139,7 @@ static void nametoidres(struct idmap_msg *);
 
 static int nfsdopen(void);
 static int nfsdopenone(struct idmap_client *);
+static void nfsdreopen_one(struct idmap_client *);
 static void nfsdreopen(void);
 
 size_t  strlcat(char *, const char *, size_t);
@@ -156,7 +157,7 @@ static char *nobodyuser, *nobodygroup;
 static uid_t nobodyuid;
 static gid_t nobodygid;
 
-/* Used by cfg.c */
+/* Used by conffile.c in libnfs.a */
 char *conf_path;
 
 static int
@@ -169,7 +170,10 @@ flush_nfsd_cache(char *path, time_t now)
        fd = open(path, O_RDWR);
        if (fd == -1)
                return -1;
-       write(fd, stime, strlen(stime));
+       if (write(fd, stime, strlen(stime)) != strlen(stime)) {
+               errx(1, "Flushing nfsd cache failed: errno %d (%s)",
+                       errno, strerror(errno));
+       }
        close(fd);
        return 0;
 }
@@ -342,9 +346,11 @@ main(int argc, char **argv)
                        xlog_err("main: fcntl(%s): %s", pipefsdir, strerror(errno));
 
                if (fcntl(fd, F_NOTIFY,
-                       DN_CREATE | DN_DELETE | DN_MODIFY | DN_MULTISHOT) == -1)
+                       DN_CREATE | DN_DELETE | DN_MODIFY | DN_MULTISHOT) == -1) {
                        xlog_err("main: fcntl(%s): %s", pipefsdir, strerror(errno));
-
+                       if (errno == EINVAL)
+                               xlog_err("main: Possibly no Dnotify support in kernel.");
+               }
                TAILQ_INIT(&icq);
 
                /* These events are persistent */
@@ -497,7 +503,8 @@ nfsdcb(int fd, short which, void *data)
                xlog_warn("nfsdcb: read(%s) failed: errno %d (%s)",
                             ic->ic_path, len?errno:0, 
                             len?strerror(errno):"End of File");
-               goto out;
+               nfsdreopen_one(ic);
+               return;
        }
 
        /* Get rid of newline and terminate buffer*/
@@ -509,11 +516,11 @@ nfsdcb(int fd, short which, void *data)
        /* Authentication name -- ignored for now*/
        if (getfield(&bp, authbuf, sizeof(authbuf)) == -1) {
                xlog_warn("nfsdcb: bad authentication name in upcall\n");
-               return;
+               goto out;
        }
        if (getfield(&bp, typebuf, sizeof(typebuf)) == -1) {
                xlog_warn("nfsdcb: bad type in upcall\n");
-               return;
+               goto out;
        }
        if (verbose > 0)
                xlog_warn("nfsdcb: authbuf=%s authtype=%s",
@@ -527,26 +534,26 @@ nfsdcb(int fd, short which, void *data)
                im.im_conv = IDMAP_CONV_NAMETOID;
                if (getfield(&bp, im.im_name, sizeof(im.im_name)) == -1) {
                        xlog_warn("nfsdcb: bad name in upcall\n");
-                       return;
+                       goto out;
                }
                break;
        case IC_IDNAME:
                im.im_conv = IDMAP_CONV_IDTONAME;
                if (getfield(&bp, buf1, sizeof(buf1)) == -1) {
                        xlog_warn("nfsdcb: bad id in upcall\n");
-                       return;
+                       goto out;
                }
                tmp = strtoul(buf1, (char **)NULL, 10);
                im.im_id = (u_int32_t)tmp;
                if ((tmp == ULONG_MAX && errno == ERANGE)
                                || (unsigned long)im.im_id != tmp) {
                        xlog_warn("nfsdcb: id '%s' too big!\n", buf1);
-                       return;
+                       goto out;
                }
                break;
        default:
                xlog_warn("nfsdcb: Unknown which type %d", ic->ic_which);
-               return;
+               goto out;
        }
 
        imconv(ic, &im);
@@ -607,7 +614,7 @@ nfsdcb(int fd, short which, void *data)
                break;
        default:
                xlog_warn("nfsdcb: Unknown which type %d", ic->ic_which);
-               return;
+               goto out;
        }
 
        bsiz = sizeof(buf) - bsiz;
@@ -848,7 +855,7 @@ validateascii(char *string, u_int32_t len)
                        return (-1);
        }
 
-       if (string[i] != '\0')
+       if ((i >= len) || string[i] != '\0')
                return (-1);
 
        return (i + 1);
@@ -973,9 +980,12 @@ mydaemon(int nochdir, int noclose)
                        dup2(tempfd, 0);
                        dup2(tempfd, 1);
                        dup2(tempfd, 2);
-                       closeall(3);
-               } else
-                       closeall(0);
+                       close(tempfd);
+               } else {
+                       err(1, "mydaemon: can't open /dev/null: errno %d",
+                              errno);
+                       exit(1);
+               }
        }
 
        return;
@@ -986,7 +996,10 @@ release_parent(void)
        int status;
 
        if (pipefds[1] > 0) {
-               write(pipefds[1], &status, 1);
+               if (write(pipefds[1], &status, 1) != 1) {
+                       err(1, "Writing to parent pipe failed: errno %d (%s)\n",
+                               errno, strerror(errno));
+               }
                close(pipefds[1]);
                pipefds[1] = -1;
        }