X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fidmapd%2Fidmapd.c;h=9ecab66f2696adec7cb7e82ebb8cac95146b8b37;hp=c1cf4eb40e09471a5ff3c58141b2bb276c3881c5;hb=14e6ec262e58e962c2d7e9161ca9c56529de3170;hpb=35001db4aaafa8a17e13b8c13cf74508d4a93f2f

diff --git a/utils/idmapd/idmapd.c b/utils/idmapd/idmapd.c
index c1cf4eb..9ecab66 100644
--- a/utils/idmapd/idmapd.c
+++ b/utils/idmapd/idmapd.c
@@ -66,7 +66,7 @@
 #endif /* HAVE_CONFIG_H */
 
 #include "xlog.h"
-#include "cfg.h"
+#include "conffile.h"
 #include "queue.h"
 #include "nfslib.h"
 
@@ -117,8 +117,24 @@ struct idmap_client {
 	TAILQ_ENTRY(idmap_client)  ic_next;
 };
 static struct idmap_client nfsd_ic[2] = {
-{IC_IDNAME, "Server", "", IC_IDNAME_CHAN, -1, -1, 0},
-{IC_NAMEID, "Server", "", IC_NAMEID_CHAN, -1, -1, 0},
+{
+	.ic_which = IC_IDNAME, 
+	.ic_clid = "Server", 
+	.ic_id = "", 
+	.ic_path = IC_IDNAME_CHAN, 
+	.ic_fd = -1, 
+	.ic_dirfd = -1, 
+	.ic_scanned = 0
+},
+{
+	.ic_which = IC_NAMEID, 
+	.ic_clid = "Server", 
+	.ic_id = "", 
+	.ic_path = IC_NAMEID_CHAN, 
+	.ic_fd = -1, 
+	.ic_dirfd = -1, 
+	.ic_scanned = 0
+},
 };
 
 TAILQ_HEAD(idmap_clientq, idmap_client);
@@ -139,6 +155,7 @@ 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 +173,7 @@ 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 +186,10 @@ 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)) != (ssize_t)strlen(stime)) {
+		errx(1, "Flushing nfsd cache failed: errno %d (%s)",
+			errno, strerror(errno));
+	}
 	close(fd);
 	return 0;
 }
@@ -377,7 +397,7 @@ main(int argc, char **argv)
 }
 
 static void
-dirscancb(int fd, short which, void *data)
+dirscancb(int UNUSED(fd), short UNUSED(which), void *data)
 {
 	int nent, i;
 	struct dirent **ents;
@@ -461,13 +481,13 @@ out:
 }
 
 static void
-svrreopen(int fd, short which, void *data)
+svrreopen(int UNUSED(fd), short UNUSED(which), void *UNUSED(data))
 {
 	nfsdreopen();
 }
 
 static void
-clntscancb(int fd, short which, void *data)
+clntscancb(int UNUSED(fd), short UNUSED(which), void *data)
 {
 	struct idmap_clientq *icq = data;
 	struct idmap_client *ic;
@@ -481,7 +501,7 @@ clntscancb(int fd, short which, void *data)
 }
 
 static void
-nfsdcb(int fd, short which, void *data)
+nfsdcb(int UNUSED(fd), short which, void *data)
 {
 	struct idmap_client *ic = data;
 	struct idmap_msg im;
@@ -499,7 +519,8 @@ 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*/
@@ -511,11 +532,11 @@ 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",
@@ -529,26 +550,26 @@ 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);
@@ -609,7 +630,7 @@ 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;
@@ -655,7 +676,7 @@ imconv(struct idmap_client *ic, struct idmap_msg *im)
 }
 
 static void
-nfscb(int fd, short which, void *data)
+nfscb(int UNUSED(fd), short which, void *data)
 {
 	struct idmap_client *ic = data;
 	struct idmap_msg im;
@@ -840,7 +861,7 @@ nametoidres(struct idmap_msg *im)
 static int
 validateascii(char *string, u_int32_t len)
 {
-	int i;
+	u_int32_t i;
 
 	for (i = 0; i < len; i++) {
 		if (string[i] == '\0')
@@ -896,7 +917,7 @@ static int
 getfield(char **bpp, char *fld, size_t fldsz)
 {
 	char *bp;
-	u_int val, n;
+	int val, n;
 
 	while ((bp = strsep(bpp, " ")) != NULL && bp[0] == '\0')
 		;
@@ -975,9 +996,12 @@ 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;
@@ -988,7 +1012,10 @@ 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;
 	}