10 files changed, 51 insertions, 32 deletions

diff --git a/Makefile b/Makefile
index 4feab0e6c..be843fc94 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 1
 PATCHLEVEL = 10
-SUBLEVEL = 2
+SUBLEVEL = 3
 EXTRAVERSION =
 NAME = Unnamed
 
diff --git a/libbb/udp_io.c b/libbb/udp_io.c
index e968ecb66..bde4d779f 100644
--- a/libbb/udp_io.c
+++ b/libbb/udp_io.c
@@ -36,11 +36,12 @@ send_to_from(int fd, void *buf, size_t len, int flags,
 #else
         struct iovec iov[1];
         struct msghdr msg;
-        char cbuf[sizeof(struct in_pktinfo)
+        union {
+                char cmsg[CMSG_SPACE(sizeof(struct in_pktinfo))];
 #if ENABLE_FEATURE_IPV6 && defined(IPV6_PKTINFO)
-                | sizeof(struct in6_pktinfo) /* (a|b) is poor man's max(a,b) */
+                char cmsg6[CMSG_SPACE(sizeof(struct in6_pktinfo))];
 #endif
-        ];
+        } u;
         struct cmsghdr* cmsgptr;
 
         if (from->sa_family != AF_INET
@@ -57,15 +58,15 @@ send_to_from(int fd, void *buf, size_t len, int flags,
         iov[0].iov_base = buf;
         iov[0].iov_len = len;
 
-        memset(cbuf, 0, sizeof(cbuf));
+        memset(&u, 0, sizeof(u));
 
         memset(&msg, 0, sizeof(msg));
         msg.msg_name = (void *)(struct sockaddr *)to; /* or compiler will annoy us */
         msg.msg_namelen = tolen;
         msg.msg_iov = iov;
         msg.msg_iovlen = 1;
-        msg.msg_control = cbuf;
-        msg.msg_controllen = sizeof(cbuf);
+        msg.msg_control = &u;
+        msg.msg_controllen = sizeof(u);
         msg.msg_flags = flags;
 
         cmsgptr = CMSG_FIRSTHDR(&msg);
@@ -89,6 +90,8 @@ send_to_from(int fd, void *buf, size_t len, int flags,
                 pktptr->ipi6_addr = ((struct sockaddr_in6*)from)->sin6_addr;
         }
 #endif
+        msg.msg_controllen = cmsgptr->cmsg_len;
+
         return sendmsg(fd, &msg, flags);
 #endif
 }
@@ -109,7 +112,9 @@ recv_from_to(int fd, void *buf, size_t len, int flags,
         struct iovec iov[1];
         union {
                 char cmsg[CMSG_SPACE(sizeof(struct in_pktinfo))];
+#if ENABLE_FEATURE_IPV6 && defined(IPV6_PKTINFO)
                 char cmsg6[CMSG_SPACE(sizeof(struct in6_pktinfo))];
+#endif
         } u;
         struct cmsghdr *cmsgptr;
         struct msghdr msg;
diff --git a/networking/dnsd.c b/networking/dnsd.c
index cb62d2081..97ba2dc6a 100644
--- a/networking/dnsd.c
+++ b/networking/dnsd.c
@@ -194,7 +194,8 @@ static int table_lookup(uint16_t type, uint8_t * as, uint8_t * qs)
                         for (i = 1; i <= (int)(d->name[0]); i++)
                                 if (tolower(qs[i]) != d->name[i])
                                         break;
-                        if (i > (int)(d->name[0])) {
+                        if (i > (int)(d->name[0]) ||
+                            (d->name[0] == 1 && d->name[1] == '*')) {
                                 strcpy((char *)as, d->ip);
 #if DEBUG
                                 fprintf(stderr, " OK as:%s\n", as);
@@ -202,7 +203,8 @@ static int table_lookup(uint16_t type, uint8_t * as, uint8_t * qs)
                                 return 0;
                         }
                 } else if (type == REQ_PTR) { /* search by IP-address */
-                        if (!strncmp((char*)&d->rip[1], (char*)&qs[1], strlen(d->rip)-1)) {
+                        if ((d->name[0] != 1 || d->name[1] != '*') &&
+                            !strncmp((char*)&d->rip[1], (char*)&qs[1], strlen(d->rip)-1)) {
                                 strcpy((char *)as, d->name);
                                 return 0;
                         }
@@ -401,7 +403,7 @@ int dnsd_main(int argc ATTRIBUTE_UNUSED, char **argv)
                 r = process_packet(buf);
                 if (r <= 0)
                         continue;
-                send_to_from(udps, buf, r, 0, &to->u.sa, &from->u.sa, lsa->len);
+                send_to_from(udps, buf, r, 0, &from->u.sa, &to->u.sa, lsa->len);
         }
         return 0;
 }
diff --git a/networking/interface.c b/networking/interface.c
index 44bd8d3d9..cdd31da64 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -223,7 +223,7 @@ static char *UNSPEC_print(unsigned char *ptr)
         char *pos;
         unsigned int i;
 
-        if (!buff);
+        if (!buff)
                 buff = xmalloc(sizeof(struct sockaddr) * 3 + 1);
         pos = buff;
         for (i = 0; i < sizeof(struct sockaddr); i++) {
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c
index d60c9fbaf..a96ac6041 100644
--- a/networking/isrv_identd.c
+++ b/networking/isrv_identd.c
@@ -113,7 +113,7 @@ int fakeidentd_main(int argc ATTRIBUTE_UNUSED, char **argv)
                 strncpy(bogouser, argv[optind], sizeof(bogouser));
 
         /* Daemonize if no -f and no -i and no -w */
-        if (!(opt & OPT_fiw));
+        if (!(opt & OPT_fiw))
                 bb_daemonize_or_rexec(0, argv);
 
         /* Where to log in inetd modes? "Classic" inetd
diff --git a/networking/libiproute/ip_parse_common_args.c b/networking/libiproute/ip_parse_common_args.c
index 294bde540..5e4012b81 100644
--- a/networking/libiproute/ip_parse_common_args.c
+++ b/networking/libiproute/ip_parse_common_args.c
@@ -54,7 +54,7 @@ char **ip_parse_common_args(char **argv)
                                 break;
                         }
                 }
-                arg = index_in_strings(ip_common_commands, opt);
+                arg = index_in_substrings(ip_common_commands, opt);
                 if (arg < 0)
                         bb_show_usage();
                 if (arg == ARG_oneline) {
diff --git a/procps/fuser.c b/procps/fuser.c
index fd876d559..55f7917a0 100644
--- a/procps/fuser.c
+++ b/procps/fuser.c
@@ -208,6 +208,7 @@ static pid_list *scan_dir_links(const char *dname, pid_t pid,
         return plist;
 }
 
+/* NB: does chdir internally */
 static pid_list *scan_proc_pids(inode_list *ilist)
 {
         DIR *d;
@@ -215,7 +216,8 @@ static pid_list *scan_proc_pids(inode_list *ilist)
         pid_t pid;
         pid_list *plist;
 
-        d = opendir(".");
+        xchdir("/proc");
+        d = opendir("/proc");
         if (!d)
                 return NULL;
 
@@ -329,7 +331,7 @@ Find processes which use FILEs or PORTs
                 pp++;
         }
 
-        plist = scan_proc_pids(ilist);
+        plist = scan_proc_pids(ilist); /* changes dir to "/proc" */
 
         if (!plist)
                 return EXIT_FAILURE;
diff --git a/shell/hush.c b/shell/hush.c
index 4e6d50094..dcaeed0d7 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -699,9 +699,18 @@ static const struct built_in_command bltins[] = {
         BLTIN(NULL, NULL, NULL)
 };
 
+/* Signals are grouped, we handle them in batches */
+static void set_misc_sighandler(void (*handler)(int))
+{
+        bb_signals(0
+                + (1 << SIGINT)
+                + (1 << SIGQUIT)
+                + (1 << SIGTERM)
+                , handler);
+}
+
 #if ENABLE_HUSH_JOB
 
-/* Signals are grouped, we handle them in batches */
 static void set_fatal_sighandler(void (*handler)(int))
 {
         bb_signals(0
@@ -725,14 +734,6 @@ static void set_jobctrl_sighandler(void (*handler)(int))
                 + (1 << SIGTTOU)
                 , handler);
 }
-static void set_misc_sighandler(void (*handler)(int))
-{
-        bb_signals(0
-                + (1 << SIGINT)
-                + (1 << SIGQUIT)
-                + (1 << SIGTERM)
-                , handler);
-}
 /* SIGCHLD is special and handled separately */
 
 static void set_every_sighandler(void (*handler)(int))
@@ -815,7 +816,6 @@ static void hush_exit(int exitcode)
 
 #define set_fatal_sighandler(handler)   ((void)0)
 #define set_jobctrl_sighandler(handler) ((void)0)
-#define set_misc_sighandler(handler)    ((void)0)
 #define hush_exit(e)                    exit(e)
 
 #endif /* JOB */
@@ -3907,8 +3907,10 @@ int hush_main(int argc, char **argv)
                                 /* give up */
                                 interactive_fd = 0;
                 }
-                if (interactive_fd)
+                if (interactive_fd) {
                         fcntl(interactive_fd, F_SETFD, FD_CLOEXEC);
+                        set_misc_sighandler(SIG_IGN);
+                }
         }
 #endif
 
diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 371b5588f..5f3ac2c2f 100644
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -347,10 +347,11 @@ static void log_locally(time_t now, char *msg)
                                 sprintf(newFile, "%s.%d", G.logFilePath, i);
                                 if (i == 0) break;
                                 sprintf(oldFile, "%s.%d", G.logFilePath, --i);
-                                xrename(oldFile, newFile);
+                                /* ignore errors - file might be missing */
+                                rename(oldFile, newFile);
                         }
                         /* newFile == "f.0" now */
-                        xrename(G.logFilePath, newFile);
+                        rename(G.logFilePath, newFile);
                         fl.l_type = F_UNLCK;
                         fcntl(G.logFD, F_SETLKW, &fl);
                         close(G.logFD);
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index f0a885482..2341a5a67 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -72,8 +72,14 @@ static void make_device(char *path, int delete)
         /* Determine device name, type, major and minor */
         device_name = bb_basename(path);
         /* http://kernel.org/doc/pending/hotplug.txt says that only
-         * "/sys/block/..." is for block devices. "sys/bus" etc is not! */
-        type = (strncmp(&path[5], "block/", 6) == 0 ? S_IFBLK : S_IFCHR);
+         * "/sys/block/..." is for block devices. "/sys/bus" etc is not!
+         * Since kernel 2.6.25 block devices are also in /sys/class/block. */
+        /* TODO: would it be acceptable to just use strstr(path, "/block/")? */
+        if (strncmp(&path[5], "class/block/"+6, 6) != 0
+         && strncmp(&path[5], "class/block/", 12) != 0)
+                type = S_IFCHR;
+        else
+                type = S_IFBLK;
 
         if (ENABLE_FEATURE_MDEV_CONF) {
                 FILE *fp;
@@ -172,8 +178,9 @@ static void make_device(char *path, int delete)
                                         /* substitute %1..9 with off[1..9], if any */
                                         n = 0;
                                         s = val;
-                                        while (*s && *s++ == '%')
-                                                n++;
+                                        while (*s)
+                                                if (*s++ == '%')
+                                                        n++;
 
                                         p = alias = xzalloc(strlen(val) + n * strlen(device_name));
                                         s = val + 1;