509 lines
16 KiB
Diff
509 lines
16 KiB
Diff
diff -up dhcp-4.0.0//client/clparse.c.cloexec dhcp-4.0.0//client/clparse.c
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--- dhcp-4.0.0//client/clparse.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//client/clparse.c 2008-07-01 17:02:38.000000000 -1000
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@@ -221,7 +221,7 @@ int read_client_conf_file (const char *n
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int token;
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isc_result_t status;
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- if ((file = open (name, O_RDONLY)) < 0)
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+ if ((file = open (name, O_RDONLY | O_CLOEXEC)) < 0)
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return uerr2isc (errno);
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cfile = (struct parse *)0;
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@@ -258,7 +258,7 @@ void read_client_leases ()
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/* Open the lease file. If we can't open it, just return -
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we can safely trust the server to remember our state. */
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- if ((file = open (path_dhclient_db, O_RDONLY)) < 0)
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+ if ((file = open (path_dhclient_db, O_RDONLY | O_CLOEXEC)) < 0)
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return;
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cfile = (struct parse *)0;
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/* new_parse() may fail if the file is of zero length. */
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diff -up dhcp-4.0.0//client/dhclient.c.cloexec dhcp-4.0.0//client/dhclient.c
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--- dhcp-4.0.0//client/dhclient.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//client/dhclient.c 2008-07-01 17:22:06.000000000 -1000
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@@ -162,11 +162,11 @@ int main(int argc, char **argv, char **e
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/* Make sure that file descriptors 0 (stdin), 1, (stdout), and
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2 (stderr) are open. To do this, we assume that when we
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open a file the lowest available file descriptor is used. */
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- fd = open("/dev/null", O_RDWR);
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+ fd = open("/dev/null", O_RDWR | O_CLOEXEC);
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if (fd == 0)
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- fd = open("/dev/null", O_RDWR);
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+ fd = open("/dev/null", O_RDWR | O_CLOEXEC);
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if (fd == 1)
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- fd = open("/dev/null", O_RDWR);
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+ fd = open("/dev/null", O_RDWR | O_CLOEXEC);
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if (fd == 2)
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log_perror = 0; /* No sense logging to /dev/null. */
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else if (fd != -1)
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@@ -442,6 +442,19 @@ int main(int argc, char **argv, char **e
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oldpid = 0;
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if ((pidfd = fopen(path_dhclient_pid, "r")) != NULL) {
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+ int fn = fileno(pidfd);
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+ int flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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+ }
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+
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e = fscanf(pidfd, "%ld\n", &temp);
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oldpid = (pid_t)temp;
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@@ -484,6 +497,19 @@ int main(int argc, char **argv, char **e
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sprintf(new_path_dhclient_pid + pfx, "-%s.pid", ip->name);
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if ((pidfd = fopen(new_path_dhclient_pid, "r")) != NULL) {
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+ int fn = fileno(pidfd);
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+ int flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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+ }
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+
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e = fscanf(pidfd, "%ld\n", &temp);
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oldpid = (pid_t)temp;
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@@ -509,6 +535,19 @@ int main(int argc, char **argv, char **e
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char procfn[256] = "";
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if ((pidfp = fopen(path_dhclient_pid, "r")) != NULL) {
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+ int fn = fileno(pidfd);
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+ int flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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+ }
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+
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if ((fscanf(pidfp, "%ld", &temp)==1) && ((dhcpid=(pid_t)temp) > 0)) {
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snprintf(procfn,256,"/proc/%u",dhcpid);
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dhc_running = (access(procfn, F_OK) == 0);
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@@ -2896,6 +2935,7 @@ int leases_written = 0;
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void rewrite_client_leases ()
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{
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+ int fn, flags;
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struct interface_info *ip;
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struct client_state *client;
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struct client_lease *lp;
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@@ -2908,9 +2948,17 @@ void rewrite_client_leases ()
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return;
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}
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- if (fcntl(leaseFile, F_SETFD, FD_CLOEXEC) == -1) {
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- log_error ("failed to set close-on-exec for %s", path_dhclient_db);
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- return;
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+ fn = fileno(leaseFile);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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}
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/* If there is a default duid, write it out. */
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@@ -3005,20 +3053,30 @@ static isc_result_t
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write_duid(struct data_string *duid)
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{
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char *str;
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- int stat;
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+ int stat, fn, flags;
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if ((duid == NULL) || (duid->len <= 2))
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return ISC_R_INVALIDARG;
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if (leaseFile == NULL) { /* XXX? */
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leaseFile = fopen(path_dhclient_db, "w");
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+
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if (leaseFile == NULL) {
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log_error("can't create %s: %m", path_dhclient_db);
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return ISC_R_IOERROR;
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}
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- if (fcntl(leaseFile, F_SETFD, FD_CLOEXEC) == -1) {
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- log_error ("failed to set close-on-exec for %s", path_dhclient_db);
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- return ISC_R_IOERROR;
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+
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+ fn = fileno(leaseFile);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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}
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}
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@@ -3049,7 +3107,7 @@ write_client6_lease(struct client_state
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{
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struct dhc6_ia *ia;
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struct dhc6_addr *addr;
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- int stat;
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+ int stat, fn, flags;
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/* This should include the current lease. */
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if (!rewrite && (leases_written++ > 20)) {
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@@ -3063,13 +3121,23 @@ write_client6_lease(struct client_state
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if (leaseFile == NULL) { /* XXX? */
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leaseFile = fopen(path_dhclient_db, "w");
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+
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if (leaseFile == NULL) {
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log_error("can't create %s: %m", path_dhclient_db);
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return ISC_R_IOERROR;
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}
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- if (fcntl(leaseFile, F_SETFD, FD_CLOEXEC) == -1) {
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- log_error ("failed to set close-on-exec for %s", path_dhclient_db);
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- return ISC_R_IOERROR;
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+
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+ fn = fileno(leaseFile);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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}
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}
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@@ -3152,7 +3220,7 @@ int write_client_lease (client, lease, r
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int makesure;
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{
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struct data_string ds;
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- int errors = 0;
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+ int errors = 0, fn, flags;
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char *s;
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const char *tval;
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@@ -3170,13 +3238,23 @@ int write_client_lease (client, lease, r
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if (leaseFile == NULL) { /* XXX */
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leaseFile = fopen (path_dhclient_db, "w");
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+
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if (leaseFile == NULL) {
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log_error ("can't create %s: %m", path_dhclient_db);
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return 0;
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}
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- if (fcntl(leaseFile, F_SETFD, FD_CLOEXEC) == -1) {
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- log_error ("failed to set close-on-exec for %s", path_dhclient_db);
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- return ISC_R_IOERROR;
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+
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+ fn = fileno(leaseFile);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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}
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}
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@@ -3675,9 +3753,9 @@ void go_daemon ()
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close(2);
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/* Reopen them on /dev/null. */
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- open("/dev/null", O_RDWR);
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- open("/dev/null", O_RDWR);
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- open("/dev/null", O_RDWR);
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+ open("/dev/null", O_RDWR | O_CLOEXEC);
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+ open("/dev/null", O_RDWR | O_CLOEXEC);
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+ open("/dev/null", O_RDWR | O_CLOEXEC);
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write_client_pid_file ();
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@@ -3689,7 +3767,7 @@ void write_client_pid_file ()
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FILE *pf;
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int pfdesc;
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- pfdesc = open (path_dhclient_pid, O_CREAT | O_TRUNC | O_WRONLY, 0644);
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+ pfdesc = open (path_dhclient_pid, O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC, 0644);
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if (pfdesc < 0) {
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log_error ("Can't create %s: %m", path_dhclient_pid);
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diff -up dhcp-4.0.0//common/bpf.c.cloexec dhcp-4.0.0//common/bpf.c
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--- dhcp-4.0.0//common/bpf.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//common/bpf.c 2008-07-01 17:23:40.000000000 -1000
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@@ -94,7 +94,7 @@ int if_register_bpf (info)
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for (b = 0; 1; b++) {
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/* %Audit% 31 bytes max. %2004.06.17,Safe% */
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sprintf(filename, BPF_FORMAT, b);
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- sock = open (filename, O_RDWR, 0);
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+ sock = open (filename, O_RDWR | O_CLOEXEC, 0);
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if (sock < 0) {
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if (errno == EBUSY) {
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continue;
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diff -up dhcp-4.0.0//common/discover.c.cloexec dhcp-4.0.0//common/discover.c
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--- dhcp-4.0.0//common/discover.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//common/discover.c 2008-07-01 17:26:03.000000000 -1000
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@@ -387,6 +387,8 @@ begin_iface_scan(struct iface_conf_list
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char buf[256];
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int len;
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int i;
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+ int fn;
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+ int flags;
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ifaces->fp = fopen("/proc/net/dev", "r");
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if (ifaces->fp == NULL) {
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@@ -394,6 +396,19 @@ begin_iface_scan(struct iface_conf_list
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return 0;
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}
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+ fn = fileno(ifaces->fp);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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+ }
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+
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/*
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* The first 2 lines are header information, so read and ignore them.
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*/
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@@ -432,6 +447,19 @@ begin_iface_scan(struct iface_conf_list
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ifaces->fp = NULL;
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return 0;
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}
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+
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+ int fn = fileno(ifaces->fp6);
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+ int flags = fcntl(fn, F_GETFD);
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+
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+ if (flags == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ } else {
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+ flags |= FD_CLOEXEC;
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+
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+ if (fcntl(fn, F_SETFD, flags) == -1) {
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+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
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+ }
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+ }
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#endif
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return 1;
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diff -up dhcp-4.0.0//common/dlpi.c.cloexec dhcp-4.0.0//common/dlpi.c
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--- dhcp-4.0.0//common/dlpi.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//common/dlpi.c 2008-07-01 17:26:31.000000000 -1000
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@@ -795,7 +795,7 @@ dlpiopen(const char *ifname) {
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}
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*dp = '\0';
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- return open (devname, O_RDWR, 0);
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+ return open (devname, O_RDWR | O_CLOEXEC, 0);
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}
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/*
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diff -up dhcp-4.0.0//common/nit.c.cloexec dhcp-4.0.0//common/nit.c
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--- dhcp-4.0.0//common/nit.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//common/nit.c 2008-07-01 17:26:41.000000000 -1000
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@@ -81,7 +81,7 @@ int if_register_nit (info)
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struct strioctl sio;
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/* Open a NIT device */
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- sock = open ("/dev/nit", O_RDWR);
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+ sock = open ("/dev/nit", O_RDWR | O_CLOEXEC);
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if (sock < 0)
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log_fatal ("Can't open NIT device for %s: %m", info -> name);
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diff -up dhcp-4.0.0//common/resolv.c.cloexec dhcp-4.0.0//common/resolv.c
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--- dhcp-4.0.0//common/resolv.c.cloexec 2007-11-30 11:51:43.000000000 -1000
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+++ dhcp-4.0.0//common/resolv.c 2008-07-01 17:26:54.000000000 -1000
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@@ -48,7 +48,7 @@ void read_resolv_conf (parse_time)
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struct name_server *sp, *sl, *ns;
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struct domain_search_list *dp, *dl, *nd;
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- if ((file = open (path_resolv_conf, O_RDONLY)) < 0) {
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+ if ((file = open (path_resolv_conf, O_RDONLY | O_CLOEXEC)) < 0) {
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log_error ("Can't open %s: %m", path_resolv_conf);
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return;
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}
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diff -up dhcp-4.0.0//common/upf.c.cloexec dhcp-4.0.0//common/upf.c
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--- dhcp-4.0.0//common/upf.c.cloexec 2008-07-01 15:36:54.000000000 -1000
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+++ dhcp-4.0.0//common/upf.c 2008-07-01 17:27:04.000000000 -1000
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@@ -77,7 +77,7 @@ int if_register_upf (info)
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/* %Audit% Cannot exceed 36 bytes. %2004.06.17,Safe% */
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sprintf(filename, "/dev/pf/pfilt%d", b);
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- sock = open (filename, O_RDWR, 0);
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+ sock = open (filename, O_RDWR | O_CLOEXEC, 0);
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if (sock < 0) {
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if (errno == EBUSY) {
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continue;
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diff -up dhcp-4.0.0//dst/dst_support.c.cloexec dhcp-4.0.0//dst/dst_support.c
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--- dhcp-4.0.0//dst/dst_support.c.cloexec 2007-12-05 14:50:22.000000000 -1000
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+++ dhcp-4.0.0//dst/dst_support.c 2008-07-01 17:31:47.000000000 -1000
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@@ -426,6 +426,8 @@ dst_s_fopen(const char *filename, const
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FILE *fp;
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char pathname[PATH_MAX];
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unsigned plen = sizeof(pathname);
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+ int fn;
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+ int flags;
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if (*dst_path != '\0') {
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strcpy(pathname, dst_path);
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@@ -442,6 +444,15 @@ dst_s_fopen(const char *filename, const
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fp = fopen(pathname, mode);
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if (perm)
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chmod(pathname, perm);
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+
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+ fn = fileno(fp);
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+ flags = fcntl(fn, F_GETFD);
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+
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+ if (flags != -1) {
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+ flags |= FD_CLOEXEC;
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+ flags = fcntl(fn, F_SETFD, flags);
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+ }
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+
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return (fp);
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}
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diff -up dhcp-4.0.0//dst/prandom.c.cloexec dhcp-4.0.0//dst/prandom.c
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--- dhcp-4.0.0//dst/prandom.c.cloexec 2007-11-30 11:51:43.000000000 -1000
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+++ dhcp-4.0.0//dst/prandom.c 2008-07-01 17:35:55.000000000 -1000
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@@ -267,7 +267,7 @@ get_dev_random(u_char *output, unsigned
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s = stat("/dev/random", &st);
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if (s == 0 && S_ISCHR(st.st_mode)) {
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- if ((fd = open("/dev/random", O_RDONLY | O_NONBLOCK)) != -1) {
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+ if ((fd = open("/dev/random", O_RDONLY | O_NONBLOCK | O_CLOEXEC)) != -1) {
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if ((n = read(fd, output, size)) < 0)
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n = 0;
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close(fd);
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@@ -480,6 +480,12 @@ digest_file(dst_work *work)
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}
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if ((fp = fopen(name, "r")) == NULL)
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return (0);
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+ int fn = fileno(fp);
|
|
+ int flags = fcntl(fn, F_GETFD);
|
|
+ if (flags != -1) {
|
|
+ flags |= FD_CLOEXEC;
|
|
+ flags = fcntl(fn, F_SETFD, flags);
|
|
+ }
|
|
for (no = 0; (i = fread(buf, sizeof(*buf), sizeof(buf), fp)) > 0;
|
|
no += i)
|
|
dst_sign_data(SIG_MODE_UPDATE, work->file_digest, &ctx,
|
|
diff -up dhcp-4.0.0//minires/res_init.c.cloexec dhcp-4.0.0//minires/res_init.c
|
|
--- dhcp-4.0.0//minires/res_init.c.cloexec 2007-10-01 04:47:35.000000000 -1000
|
|
+++ dhcp-4.0.0//minires/res_init.c 2008-07-01 17:44:26.000000000 -1000
|
|
@@ -235,6 +235,14 @@ minires_vinit(res_state statp, int prein
|
|
line[sizeof(name) - 1] == '\t'))
|
|
|
|
if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
|
|
+ int fn = fileno(fp);
|
|
+ int flags = fcntl(fn, F_GETFD);
|
|
+
|
|
+ if (flags != -1) {
|
|
+ flags |= FD_CLOEXEC;
|
|
+ flags = fcntl(fn, F_SETFD, flags);
|
|
+ }
|
|
+
|
|
/* read the config file */
|
|
while (fgets(buf, sizeof(buf), fp) != NULL) {
|
|
/* skip comments */
|
|
diff -up dhcp-4.0.0//minires/res_query.c.cloexec dhcp-4.0.0//minires/res_query.c
|
|
--- dhcp-4.0.0//minires/res_query.c.cloexec 2007-09-05 07:32:10.000000000 -1000
|
|
+++ dhcp-4.0.0//minires/res_query.c 2008-07-01 17:46:04.000000000 -1000
|
|
@@ -387,12 +387,19 @@ res_hostalias(const res_state statp, con
|
|
unsigned char *cp1, *cp2;
|
|
char buf[BUFSIZ];
|
|
FILE *fp;
|
|
+ int fn, flags;
|
|
|
|
if (statp->options & RES_NOALIASES)
|
|
return (NULL);
|
|
file = getenv("HOSTALIASES");
|
|
if (file == NULL || (fp = fopen(file, "r")) == NULL)
|
|
return (NULL);
|
|
+ fn = fileno(fp);
|
|
+ flags = fcntl(fn, F_GETFD);
|
|
+ if (flags != -1) {
|
|
+ flags |= FD_CLOEXEC;
|
|
+ flags = fcntl(fn, F_SETFD, flags);
|
|
+ }
|
|
setbuf(fp, NULL);
|
|
buf[sizeof(buf) - 1] = '\0';
|
|
while (fgets(buf, sizeof(buf), fp)) {
|
|
diff -up dhcp-4.0.0//omapip/trace.c.cloexec dhcp-4.0.0//omapip/trace.c
|
|
--- dhcp-4.0.0//omapip/trace.c.cloexec 2007-07-12 20:43:42.000000000 -1000
|
|
+++ dhcp-4.0.0//omapip/trace.c 2008-07-01 17:29:46.000000000 -1000
|
|
@@ -140,10 +140,10 @@ isc_result_t trace_begin (const char *fi
|
|
return ISC_R_INVALIDARG;
|
|
}
|
|
|
|
- traceoutfile = open (filename, O_CREAT | O_WRONLY | O_EXCL, 0600);
|
|
+ traceoutfile = open (filename, O_CREAT | O_WRONLY | O_EXCL | O_CLOEXEC, 0600);
|
|
if (traceoutfile < 0 && errno == EEXIST) {
|
|
log_error ("WARNING: Overwriting trace file \"%s\"", filename);
|
|
- traceoutfile = open (filename, O_WRONLY | O_EXCL, 0600);
|
|
+ traceoutfile = open (filename, O_WRONLY | O_EXCL | O_CLOEXEC, 0600);
|
|
}
|
|
|
|
if (traceoutfile < 0) {
|
|
@@ -428,12 +428,28 @@ void trace_file_replay (const char *file
|
|
trace_type_t *ttype = (trace_type_t *)0;
|
|
isc_result_t result;
|
|
int len;
|
|
+ int fn;
|
|
+ int flags;
|
|
|
|
traceinfile = fopen (filename, "r");
|
|
if (!traceinfile) {
|
|
log_error ("Can't open tracefile %s: %m", filename);
|
|
return;
|
|
}
|
|
+
|
|
+ fn = fileno(traceinfile);
|
|
+ flags = fcntl(fn, F_GETFD);
|
|
+
|
|
+ if (flags == -1) {
|
|
+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
|
|
+ } else {
|
|
+ flags |= FD_CLOEXEC;
|
|
+
|
|
+ if (fcntl(fn, F_SETFD, flags) == -1) {
|
|
+ log_error("%s (%d): %s\n", __func__, __LINE__, strerror(errno));
|
|
+ }
|
|
+ }
|
|
+
|
|
#if defined (HAVE_SETFD)
|
|
if (fcntl (fileno (traceinfile), F_SETFD, 1) < 0)
|
|
log_error ("Can't set close-on-exec on %s: %m", filename);
|