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dhcp
0009-dhcp-4.2.6-close-on-exec.patch
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File 0009-dhcp-4.2.6-close-on-exec.patch of Package dhcp
From ecb183516cf0b51ebf0a02f3b46248479fa51e43 Mon Sep 17 00:00:00 2001 From: Marius Tomaschewski <mt@suse.de> Date: Thu, 18 Aug 2011 14:09:06 +0200 Subject: [PATCH] dhcp-4.2.6-close-on-exec Merged fixed close-on-exec patch (bnc#732910) References: bnc#732910 Signed-off-by: Marius Tomaschewski <mt@suse.de> diff --git a/client/clparse.c b/client/clparse.c index 320c42f..b7e4251 100644 --- a/client/clparse.c +++ b/client/clparse.c @@ -221,7 +221,7 @@ int read_client_conf_file (const char *name, struct interface_info *ip, int token; isc_result_t status; - if ((file = open (name, O_RDONLY)) < 0) + if ((file = open (name, O_RDONLY | O_CLOEXEC)) < 0) return uerr2isc (errno); cfile = NULL; @@ -297,7 +297,7 @@ void read_client_leases () /* Open the lease file. If we can't open it, just return - we can safely trust the server to remember our state. */ - if ((file = open (path_dhclient_db, O_RDONLY)) < 0) + if ((file = open (path_dhclient_db, O_RDONLY | O_CLOEXEC)) < 0) return; cfile = NULL; diff --git a/client/dhclient.c b/client/dhclient.c index a077b48..ac36e3d 100644 --- a/client/dhclient.c +++ b/client/dhclient.c @@ -438,7 +438,7 @@ main(int argc, char **argv) { long temp; int e; - if ((pidfd = fopen(path_dhclient_pid, "r")) != NULL) { + if ((pidfd = fopen(path_dhclient_pid, "re")) != NULL) { e = fscanf(pidfd, "%ld\n", &temp); oldpid = (pid_t)temp; @@ -2840,7 +2840,7 @@ void rewrite_client_leases () if (leaseFile != NULL) fclose (leaseFile); - leaseFile = fopen (path_dhclient_db, "w"); + leaseFile = fopen (path_dhclient_db, "we"); if (leaseFile == NULL) { log_error ("can't create %s: %m", path_dhclient_db); return; @@ -3033,7 +3033,7 @@ write_duid(struct data_string *duid) return DHCP_R_INVALIDARG; if (leaseFile == NULL) { /* XXX? */ - leaseFile = fopen(path_dhclient_db, "w"); + leaseFile = fopen(path_dhclient_db, "we"); if (leaseFile == NULL) { log_error("can't create %s: %m", path_dhclient_db); return ISC_R_IOERROR; @@ -3081,7 +3081,7 @@ write_client6_lease(struct client_state *client, struct dhc6_lease *lease, return DHCP_R_INVALIDARG; if (leaseFile == NULL) { /* XXX? */ - leaseFile = fopen(path_dhclient_db, "w"); + leaseFile = fopen(path_dhclient_db, "we"); if (leaseFile == NULL) { log_error("can't create %s: %m", path_dhclient_db); return ISC_R_IOERROR; @@ -3213,7 +3213,7 @@ int write_client_lease (client, lease, rewrite, makesure) return 1; if (leaseFile == NULL) { /* XXX */ - leaseFile = fopen (path_dhclient_db, "w"); + leaseFile = fopen (path_dhclient_db, "we"); if (leaseFile == NULL) { log_error ("can't create %s: %m", path_dhclient_db); return 0; diff --git a/common/bpf.c b/common/bpf.c index 39d4f45..df9facc 100644 --- a/common/bpf.c +++ b/common/bpf.c @@ -95,7 +95,7 @@ int if_register_bpf (info) for (b = 0; 1; b++) { /* %Audit% 31 bytes max. %2004.06.17,Safe% */ sprintf(filename, BPF_FORMAT, b); - sock = open (filename, O_RDWR, 0); + sock = open (filename, O_RDWR | O_CLOEXEC, 0); if (sock < 0) { if (errno == EBUSY) { continue; diff --git a/common/discover.c b/common/discover.c index 3cd64a7..37af780 100644 --- a/common/discover.c +++ b/common/discover.c @@ -415,7 +415,7 @@ begin_iface_scan(struct iface_conf_list *ifaces) { int len; int i; - ifaces->fp = fopen("/proc/net/dev", "r"); + ifaces->fp = fopen("/proc/net/dev", "re"); if (ifaces->fp == NULL) { log_error("Error opening '/proc/net/dev' to list interfaces"); return 0; @@ -450,7 +450,7 @@ begin_iface_scan(struct iface_conf_list *ifaces) { #ifdef DHCPv6 if (local_family == AF_INET6) { - ifaces->fp6 = fopen("/proc/net/if_inet6", "r"); + ifaces->fp6 = fopen("/proc/net/if_inet6", "re"); if (ifaces->fp6 == NULL) { log_error("Error opening '/proc/net/if_inet6' to " "list IPv6 interfaces; %m"); diff --git a/common/dlpi.c b/common/dlpi.c index c34adc3..944f21c 100644 --- a/common/dlpi.c +++ b/common/dlpi.c @@ -804,7 +804,7 @@ dlpiopen(const char *ifname) { } *dp = '\0'; - return open (devname, O_RDWR, 0); + return open (devname, O_RDWR | O_CLOEXEC, 0); } /* diff --git a/common/nit.c b/common/nit.c index 316e85f..6aa778b 100644 --- a/common/nit.c +++ b/common/nit.c @@ -75,7 +75,7 @@ int if_register_nit (info) struct strioctl sio; /* Open a NIT device */ - sock = open ("/dev/nit", O_RDWR); + sock = open ("/dev/nit", O_RDWR | O_CLOEXEC); if (sock < 0) log_fatal ("Can't open NIT device for %s: %m", info -> name); diff --git a/common/resolv.c b/common/resolv.c index 526cebf..2ac8d43 100644 --- a/common/resolv.c +++ b/common/resolv.c @@ -44,7 +44,7 @@ void read_resolv_conf (parse_time) struct domain_search_list *dp, *dl, *nd; isc_result_t status; - if ((file = open (path_resolv_conf, O_RDONLY)) < 0) { + if ((file = open (path_resolv_conf, O_RDONLY | O_CLOEXEC)) < 0) { log_error ("Can't open %s: %m", path_resolv_conf); return; } diff --git a/common/upf.c b/common/upf.c index 34011eb..77d5878 100644 --- a/common/upf.c +++ b/common/upf.c @@ -71,7 +71,7 @@ int if_register_upf (info) /* %Audit% Cannot exceed 36 bytes. %2004.06.17,Safe% */ sprintf(filename, "/dev/pf/pfilt%d", b); - sock = open (filename, O_RDWR, 0); + sock = open (filename, O_RDWR | O_CLOEXEC, 0); if (sock < 0) { if (errno == EBUSY) { continue; diff --git a/omapip/trace.c b/omapip/trace.c index f4115c1..4410c35 100644 --- a/omapip/trace.c +++ b/omapip/trace.c @@ -138,10 +138,10 @@ isc_result_t trace_begin (const char *filename, return DHCP_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 | O_TRUNC, + traceoutfile = open (filename, O_WRONLY | O_EXCL | O_TRUNC | O_CLOEXEC, 0600); } @@ -429,7 +429,7 @@ void trace_file_replay (const char *filename) isc_result_t result; int len; - traceinfile = fopen (filename, "r"); + traceinfile = fopen (filename, "re"); if (!traceinfile) { log_error("Can't open tracefile %s: %m", filename); return; diff --git a/relay/dhcrelay.c b/relay/dhcrelay.c index 15b4997..9d39fae 100644 --- a/relay/dhcrelay.c +++ b/relay/dhcrelay.c @@ -558,13 +558,14 @@ main(int argc, char **argv) { if (no_pid_file == ISC_FALSE) { pfdesc = open(path_dhcrelay_pid, - O_CREAT | O_TRUNC | O_WRONLY, 0644); + O_CREAT | O_TRUNC | O_WRONLY | + O_CLOEXEC, 0644); if (pfdesc < 0) { log_error("Can't create %s: %m", path_dhcrelay_pid); } else { - pf = fdopen(pfdesc, "w"); + pf = fdopen(pfdesc, "we"); if (!pf) log_error("Can't fdopen %s: %m", path_dhcrelay_pid); diff --git a/server/confpars.c b/server/confpars.c index 4b2907d..6aa5b3f 100644 --- a/server/confpars.c +++ b/server/confpars.c @@ -111,7 +111,7 @@ isc_result_t read_conf_file (const char *filename, struct group *group, } #endif - if ((file = open (filename, O_RDONLY)) < 0) { + if ((file = open (filename, O_RDONLY | O_CLOEXEC)) < 0) { if (leasep) { log_error ("Can't open lease database %s: %m --", path_dhcpd_db); diff --git a/server/db.c b/server/db.c index 0c642ad..e9a38fe 100644 --- a/server/db.c +++ b/server/db.c @@ -1072,7 +1072,7 @@ void db_startup (testp) } #endif if (!testp) { - db_file = fopen (path_dhcpd_db, "a"); + db_file = fopen (path_dhcpd_db, "ae"); if (!db_file) log_fatal ("Can't open %s for append.", path_dhcpd_db); expire_all_pools (); @@ -1120,7 +1120,7 @@ int new_lease_file () path_dhcpd_db) >= sizeof newfname) log_fatal("new_lease_file: lease file path too long"); - db_fd = mkstemp (newfname); + db_fd = mkostemp (newfname, O_CLOEXEC); if (db_fd < 0) { log_error ("Can't create new lease file: %m"); return 0; @@ -1145,7 +1145,7 @@ int new_lease_file () } #endif /* PARANOIA */ - if ((new_db_file = fdopen(db_fd, "w")) == NULL) { + if ((new_db_file = fdopen(db_fd, "we")) == NULL) { log_error("Can't fdopen new lease file: %m"); close(db_fd); goto fdfail; diff --git a/server/dhcpd.c b/server/dhcpd.c index eecc89b..afef390 100644 --- a/server/dhcpd.c +++ b/server/dhcpd.c @@ -658,7 +658,7 @@ main(int argc, char **argv) { */ if ((lftest == 0) && (no_pid_file == ISC_FALSE)) { /*Read previous pid file. */ - if ((i = open(path_dhcpd_pid, O_RDONLY)) >= 0) { + if ((i = open(path_dhcpd_pid, O_RDONLY | O_CLOEXEC)) >= 0) { status = read(i, pbuf, (sizeof pbuf) - 1); close(i); if (status > 0) { @@ -758,7 +758,7 @@ main(int argc, char **argv) { * appropriate. */ if (no_pid_file == ISC_FALSE) { - i = open(path_dhcpd_pid, O_WRONLY|O_CREAT|O_TRUNC, 0644); + i = open(path_dhcpd_pid, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0644); if (i >= 0) { sprintf(pbuf, "%d\n", (int) getpid()); IGNORE_RET(write(i, pbuf, strlen(pbuf))); diff --git a/server/ldap.c b/server/ldap.c index 2893b82..9530d9d 100644 --- a/server/ldap.c +++ b/server/ldap.c @@ -1442,7 +1442,7 @@ ldap_start (void) if (ldap_debug_file != NULL && ldap_debug_fd == -1) { - if ((ldap_debug_fd = open (ldap_debug_file, O_CREAT | O_TRUNC | O_WRONLY, + if ((ldap_debug_fd = open (ldap_debug_file, O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC, S_IRUSR | S_IWUSR)) < 0) log_error ("Error opening debug LDAP log file %s: %s", ldap_debug_file, strerror (errno)); -- 2.1.4
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