use strlcpy, strlcat, slprintf everywhere

[ppp.git] / pppd / sys-osf.c

diff --git a/pppd/sys-osf.c b/pppd/sys-osf.c
index 91470ae144bf939b35a064083d1ddb263c266325..cba5e356ee5674e1b752e92b940ed14e22e4da6a 100644 (file)
--- a/pppd/sys-osf.c
+++ b/pppd/sys-osf.c
@@ -26,10 +26,9 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: sys-osf.c,v 1.16 1999/03/08 04:49:12 paulus Exp $";
+static char rcsid[] = "$Id: sys-osf.c,v 1.18 1999/03/12 06:07:22 paulus Exp $";
 #endif
 
-#define _SOCKADDR_LEN
 #include <stdio.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -1078,7 +1077,7 @@ sifup(u)
 {
     struct ifreq ifr;
 
-    strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
     if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't mark interface up (get): %m");
        return 0;
@@ -1101,7 +1100,7 @@ sifdown(u)
 {
     struct ifreq ifr;
 
-    strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof(ifr.ifr_name), ifname);
     if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
        syslog(LOG_ERR, "Couldn't mark interface down (get): %m");
        return 0;
@@ -1164,7 +1163,7 @@ sifaddr(u, o, h, m)
     /* flush old address, if any
      */
     bzero(&ifr, sizeof (ifr));
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
     ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
     if ((ioctl(sockfd, (int)SIOCDIFADDR, (caddr_t) &ifr) < 0)
@@ -1174,7 +1173,7 @@ sifaddr(u, o, h, m)
     }
 
     bzero(&addreq, sizeof (addreq));
-    strncpy(addreq.ifra_name, ifname, sizeof (addreq.ifra_name));
+    strlcpy(addreq.ifra_name, sizeof (addreq.ifra_name), ifname);
     SET_SA_FAMILY(addreq.ifra_addr, AF_INET);
     SET_SA_FAMILY(addreq.ifra_broadaddr, AF_INET);
     ((struct sockaddr_in *)&addreq.ifra_addr)->sin_addr.s_addr = o;
@@ -1219,7 +1218,7 @@ cifaddr(u, o, h)
     ifaddrs[0] = 0;
     ifaddrs[1] = 0;
     bzero(&ifr, sizeof (ifr));
-    strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
+    strlcpy(ifr.ifr_name, sizeof (ifr.ifr_name), ifname);
     SET_SA_FAMILY(ifr.ifr_addr, AF_INET);
     ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o;
     if (ioctl(sockfd, (int)SIOCDIFADDR, (caddr_t) &ifr) < 0) {
@@ -1369,7 +1368,7 @@ get_ether_addr(ipaddr, hwaddr)
              * Check that the interface is up, and not point-to-point
              * or loopback.
              */
-            strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
+            strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
             if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
                 continue;
             if ((ifreq.ifr_flags &
@@ -1398,7 +1397,7 @@ get_ether_addr(ipaddr, hwaddr)
        return 0;
     syslog(LOG_INFO, "found interface %s for proxy arp", ifr->ifr_name);
 
-    strncpy(ifdevreq.ifr_name, ifr->ifr_name, sizeof(ifdevreq.ifr_name));
+    strlcpy(ifdevreq.ifr_name, sizeof(ifdevreq.ifr_name), ifr->ifr_name);
 
     if (ioctl(sockfd, (int)SIOCRPHYSADDR, &ifdevreq) < 0) {
         perror("ioctl(SIOCRPHYSADDR)");
@@ -1423,9 +1422,9 @@ logwtmp(line, name, host)
     if ((fd = open(WTMPFILE, O_WRONLY|O_APPEND, 0)) < 0)
        return;
     if (!fstat(fd, &buf)) {
-       (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line));
-       (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name));
-       (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host));
+       strlcpy(ut.ut_line, sizeof(ut.ut_line), line);
+       strlcpy(ut.ut_name, sizeof(ut.ut_name), name);
+       strlcpy(ut.ut_host, sizeof(ut.ut_host), host);
        (void)time(&ut.ut_time);
        if (write(fd, (char *)&ut, sizeof(struct utmp)) != sizeof(struct utmp))
            (void)ftruncate(fd, buf.st_size);
@@ -1482,7 +1481,7 @@ GetMask(addr)
            /*
             * Check that the interface is up, and not point-to-point or loopback.
             */
-           strncpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifreq.ifr_name));
+           strlcpy(ifreq.ifr_name, sizeof(ifreq.ifr_name), ifr->ifr_name);
            if (ioctl(sockfd, SIOCGIFFLAGS, &ifreq) < 0)
                continue;
            if ((ifreq.ifr_flags & (IFF_UP|IFF_POINTOPOINT|IFF_LOOPBACK))
@@ -1517,7 +1516,8 @@ int have_route_to(u_int32_t addr)
        int s, n;
        struct rt_msghdr *rtm;
        struct sockaddr_in *sin;
-       int msglen = sizeof(*rtm) + (sizeof(*sin)) ;
+       int msglen = sizeof(*rtm) + (sizeof(*sin));
+       char *cp;
        char msg[2048];
 
        rtm = (struct rt_msghdr *)buf;
@@ -1626,13 +1626,15 @@ lock(dev)
     char hdb_lock_buffer[12];
     int fd, pid, n;
     char *p;
+    size_t l;
 
     if ((p = strrchr(dev, '/')) != NULL)
        dev = p + 1;
-    lock_file = malloc(strlen(LOCK_PREFIX) + strlen(dev) + 1);
+    l = strlen(LOCK_PREFIX) + strlen(dev) + 1;
+    lock_file = malloc(l);
     if (lock_file == NULL)
        novm("lock file name");
-    strcat(strcpy(lock_file, LOCK_PREFIX), dev);
+    slprintf(lock_file, l, "%s%s", LOCK_PREFIX, dev);
 
     while ((fd = open(lock_file, O_EXCL | O_CREAT | O_RDWR, 0644)) < 0) {
        if (errno == EEXIST