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1 From 82cd789df0f022eb6f3d28646e7a61d1d0715805 Mon Sep 17 00:00:00 2001
2 From: Michal Sekletar <msekleta@redhat.com>
3 Date: Mon, 7 Apr 2014 12:23:36 +0200
4 Subject: [PATCH 12/25] pppd: we don't want to accidentally leak fds
5
6 ---
7 pppd/auth.c | 20 ++++++++++----------
8 pppd/options.c | 2 +-
9 pppd/sys-linux.c | 4 ++--
10 3 files changed, 13 insertions(+), 13 deletions(-)
11
12 diff --git a/pppd/auth.c b/pppd/auth.c
13 index 4271af6..9e957fa 100644
14 --- a/pppd/auth.c
15 +++ b/pppd/auth.c
16 @@ -428,7 +428,7 @@ setupapfile(argv)
17 option_error("unable to reset uid before opening %s: %m", fname);
18 return 0;
19 }
20 - ufile = fopen(fname, "r");
21 + ufile = fopen(fname, "re");
22 if (seteuid(euid) == -1)
23 fatal("unable to regain privileges: %m");
24 if (ufile == NULL) {
25 @@ -1413,7 +1413,7 @@ check_passwd(unit, auser, userlen, apasswd, passwdlen, msg)
26 filename = _PATH_UPAPFILE;
27 addrs = opts = NULL;
28 ret = UPAP_AUTHNAK;
29 - f = fopen(filename, "r");
30 + f = fopen(filename, "re");
31 if (f == NULL) {
32 error("Can't open PAP password file %s: %m", filename);
33
34 @@ -1512,7 +1512,7 @@ null_login(unit)
35 if (ret <= 0) {
36 filename = _PATH_UPAPFILE;
37 addrs = NULL;
38 - f = fopen(filename, "r");
39 + f = fopen(filename, "re");
40 if (f == NULL)
41 return 0;
42 check_access(f, filename);
43 @@ -1559,7 +1559,7 @@ get_pap_passwd(passwd)
44 }
45
46 filename = _PATH_UPAPFILE;
47 - f = fopen(filename, "r");
48 + f = fopen(filename, "re");
49 if (f == NULL)
50 return 0;
51 check_access(f, filename);
52 @@ -1597,7 +1597,7 @@ have_pap_secret(lacks_ipp)
53 }
54
55 filename = _PATH_UPAPFILE;
56 - f = fopen(filename, "r");
57 + f = fopen(filename, "re");
58 if (f == NULL)
59 return 0;
60
61 @@ -1642,7 +1642,7 @@ have_chap_secret(client, server, need_ip, lacks_ipp)
62 }
63
64 filename = _PATH_CHAPFILE;
65 - f = fopen(filename, "r");
66 + f = fopen(filename, "re");
67 if (f == NULL)
68 return 0;
69
70 @@ -1684,7 +1684,7 @@ have_srp_secret(client, server, need_ip, lacks_ipp)
71 struct wordlist *addrs;
72
73 filename = _PATH_SRPFILE;
74 - f = fopen(filename, "r");
75 + f = fopen(filename, "re");
76 if (f == NULL)
77 return 0;
78
79 @@ -1740,7 +1740,7 @@ get_secret(unit, client, server, secret, secret_len, am_server)
80 addrs = NULL;
81 secbuf[0] = 0;
82
83 - f = fopen(filename, "r");
84 + f = fopen(filename, "re");
85 if (f == NULL) {
86 error("Can't open chap secret file %s: %m", filename);
87 return 0;
88 @@ -1797,7 +1797,7 @@ get_srp_secret(unit, client, server, secret, am_server)
89 filename = _PATH_SRPFILE;
90 addrs = NULL;
91
92 - fp = fopen(filename, "r");
93 + fp = fopen(filename, "re");
94 if (fp == NULL) {
95 error("Can't open srp secret file %s: %m", filename);
96 return 0;
97 @@ -2203,7 +2203,7 @@ scan_authfile(f, client, server, secret, addrs, opts, filename, flags)
98 */
99 if (word[0] == '@' && word[1] == '/') {
100 strlcpy(atfile, word+1, sizeof(atfile));
101 - if ((sf = fopen(atfile, "r")) == NULL) {
102 + if ((sf = fopen(atfile, "re")) == NULL) {
103 warn("can't open indirect secret file %s", atfile);
104 continue;
105 }
106 diff --git a/pppd/options.c b/pppd/options.c
107 index 45fa742..1d754ae 100644
108 --- a/pppd/options.c
109 +++ b/pppd/options.c
110 @@ -427,7 +427,7 @@ options_from_file(filename, must_exist, check_prot, priv)
111 option_error("unable to drop privileges to open %s: %m", filename);
112 return 0;
113 }
114 - f = fopen(filename, "r");
115 + f = fopen(filename, "re");
116 err = errno;
117 if (check_prot && seteuid(euid) == -1)
118 fatal("unable to regain privileges");
119 diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
120 index 72a7727..8a12fa0 100644
121 --- a/pppd/sys-linux.c
122 +++ b/pppd/sys-linux.c
123 @@ -1412,7 +1412,7 @@ static char *path_to_procfs(const char *tail)
124 /* Default the mount location of /proc */
125 strlcpy (proc_path, "/proc", sizeof(proc_path));
126 proc_path_len = 5;
127 - fp = fopen(MOUNTED, "r");
128 + fp = fopen(MOUNTED, "re");
129 if (fp != NULL) {
130 while ((mntent = getmntent(fp)) != NULL) {
131 if (strcmp(mntent->mnt_type, MNTTYPE_IGNORE) == 0)
132 @@ -1472,7 +1472,7 @@ static int open_route_table (void)
133 close_route_table();
134
135 path = path_to_procfs("/net/route");
136 - route_fd = fopen (path, "r");
137 + route_fd = fopen (path, "re");
138 if (route_fd == NULL) {
139 error("can't open routing table %s: %m", path);
140 return 0;
141 --
142 1.8.3.1
143