openssh/pathnames.c

   1 #include "includes.h"
   2 #include "xmalloc.h"
   3 #include "log.h"
   4
   5 #define BINDIR "/bin"
   6 #define LIBEXEC "/libexec"
   7 #define SSHDIR "/etc/ssh"
   8 #define VARDIR "/var"
   9
  10 #define STRINIT "init_pathnames() not called!"
  11
  12 char *SSH_PRNG_COMMAND_FILE             = STRINIT;
  13 char *_PATH_SSH_SYSTEM_HOSTFILE         = STRINIT;
  14 char *_PATH_SSH_SYSTEM_HOSTFILE2        = STRINIT;
  15 char *_PATH_SERVER_CONFIG_FILE          = STRINIT;
  16 char *_PATH_HOST_CONFIG_FILE            = STRINIT;
  17 char *_PATH_HOST_KEY_FILE               = STRINIT;
  18 char *_PATH_HOST_DSA_KEY_FILE           = STRINIT;
  19 char *_PATH_HOST_RSA_KEY_FILE           = STRINIT;
  20 char *_PATH_DH_MODULI                   = STRINIT;
  21 char *_PATH_DH_PRIMES                   = STRINIT;
  22 char *_PATH_SSH_PROGRAM                 = STRINIT;
  23 char *_PATH_SSH_DAEMON_PID_FILE         = STRINIT;
  24 char *_PATH_SSH_SYSTEM_RC               = STRINIT;
  25 char *_PATH_SSH_HOSTS_EQUIV             = STRINIT;
  26 char *_PATH_SSH_KEY_SIGN                = STRINIT;
  27 char *_PATH_SFTP_SERVER                 = STRINIT;
  28 char *SSH_RAND_HELPER                   = STRINIT;
  29 char *_PATH_STDPATH_WITH_SCP            = STRINIT;
  30
  31 static char *
  32 compose3(const char str1[], const char str2[], const char str3[])
  33 {
  34     int len;
  35     char *result;
  36
  37     len = strlen(str1) + strlen(str2) + strlen(str3) + 1;
  38     result = xmalloc(len);
  39     snprintf(result, len, "%s%s%s", str1, str2, str3);
  40
  41     return result;
  42 }
  43
  44 static char *
  45 compose4(const char str1[], const char str2[], const char str3[],
  46          const char str4[])
  47 {
  48     int len;
  49     char *result;
  50
  51     len = strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + 1;
  52     result = xmalloc(len);
  53     snprintf(result, len, "%s%s%s%s", str1, str2, str3, str4);
  54
  55     return result;
  56 }
  57
  58 void
  59 init_pathnames()
  60 {
  61     char *gl;
  62
  63     gl = getenv("GLOBUS_LOCATION");
  64     if (gl == NULL) {
  65         fatal("GLOBUS_LOCATION environment variable undefined.");
  66     }
  67
  68     /* lots of one time memory leaks here */
  69     SSH_PRNG_COMMAND_FILE       = compose3(gl, SSHDIR, "/ssh_prng_cmds");
  70     _PATH_SSH_SYSTEM_HOSTFILE   = compose3(gl, SSHDIR, "/ssh_known_hosts");
  71     _PATH_SSH_SYSTEM_HOSTFILE2  = compose3(gl, SSHDIR, "/ssh_known_hosts2");
  72     _PATH_SERVER_CONFIG_FILE    = compose3(gl, SSHDIR, "/sshd_config");
  73     _PATH_HOST_CONFIG_FILE      = compose3(gl, SSHDIR, "/ssh_config");
  74     _PATH_HOST_KEY_FILE         = compose3(gl, SSHDIR, "/ssh_host_key");
  75     _PATH_HOST_DSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_dsa_key");
  76     _PATH_HOST_RSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_rsa_key");
  77     _PATH_DH_MODULI             = compose3(gl, SSHDIR, "/moduli");
  78     _PATH_DH_PRIMES             = compose3(gl, SSHDIR, "/primes");
  79     _PATH_SSH_PROGRAM           = compose3(gl, BINDIR, "/gsissh");
  80     _PATH_SSH_DAEMON_PID_FILE   = compose3(gl, VARDIR, "/sshd.pid");
  81     _PATH_SSH_SYSTEM_RC         = compose3(gl, SSHDIR, "/sshrc");
  82     _PATH_SSH_HOSTS_EQUIV       = compose3(gl, SSHDIR, "/shosts.equiv");
  83     _PATH_SSH_KEY_SIGN          = compose3(gl, LIBEXEC, "/ssh-keysign");
  84     _PATH_SFTP_SERVER           = compose3(gl, LIBEXEC, "/sftp-server");
  85     SSH_RAND_HELPER             = compose3(gl, LIBEXEC, "/ssh-rand-helper");
  86     _PATH_STDPATH_WITH_SCP      = compose4(_PATH_STDPATH, ":", gl, BINDIR);
  87 }