openssh/pathnames.c

   1 #include "includes.h"
   2 #include "xmalloc.h"
   3 #include "log.h"
   4
   5 #include <string.h>
   6
   7 #define BINDIR "/bin"
   8 #define LIBEXEC "/libexec"
   9 #define SSHDIR "/etc/ssh"
  10 #define VARDIR "/var"
  11
  12 #define STRINIT "init_pathnames() not called!"
  13
  14 char *SSH_PRNG_COMMAND_FILE             = STRINIT;
  15 char *_PATH_SSH_SYSTEM_HOSTFILE         = STRINIT;
  16 char *_PATH_SSH_SYSTEM_HOSTFILE2        = STRINIT;
  17 char *_PATH_SERVER_CONFIG_FILE          = STRINIT;
  18 char *_PATH_HOST_CONFIG_FILE            = STRINIT;
  19 char *_PATH_HOST_KEY_FILE               = STRINIT;
  20 char *_PATH_HOST_DSA_KEY_FILE           = STRINIT;
  21 char *_PATH_HOST_RSA_KEY_FILE           = STRINIT;
  22 char *_PATH_DH_MODULI                   = STRINIT;
  23 char *_PATH_DH_PRIMES                   = STRINIT;
  24 char *_PATH_SSH_PROGRAM                 = STRINIT;
  25 char *_PATH_SSH_DAEMON_PID_FILE         = STRINIT;
  26 char *_PATH_SSH_SYSTEM_RC               = STRINIT;
  27 char *_PATH_SSH_HOSTS_EQUIV             = STRINIT;
  28 char *_PATH_SSH_KEY_SIGN                = STRINIT;
  29 char *_PATH_SFTP_SERVER                 = STRINIT;
  30 char *SSH_RAND_HELPER                   = STRINIT;
  31 char *_PATH_STDPATH_WITH_SCP            = STRINIT;
  32
  33 static char *
  34 compose3(const char str1[], const char str2[], const char str3[])
  35 {
  36     int len;
  37     char *result;
  38
  39     len = strlen(str1) + strlen(str2) + strlen(str3) + 1;
  40     result = xmalloc(len);
  41     snprintf(result, len, "%s%s%s", str1, str2, str3);
  42
  43     return result;
  44 }
  45
  46 static char *
  47 compose4(const char str1[], const char str2[], const char str3[],
  48          const char str4[])
  49 {
  50     int len;
  51     char *result;
  52
  53     len = strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + 1;
  54     result = xmalloc(len);
  55     snprintf(result, len, "%s%s%s%s", str1, str2, str3, str4);
  56
  57     return result;
  58 }
  59
  60 void
  61 init_pathnames()
  62 {
  63     char *gl;
  64
  65     gl = (char *)getenv("GLOBUS_LOCATION");
  66     if (gl == (char *)NULL) {
  67         fatal("GLOBUS_LOCATION environment variable undefined.");
  68     }
  69
  70     /* lots of one time memory leaks here */
  71     SSH_PRNG_COMMAND_FILE       = compose3(gl, SSHDIR, "/ssh_prng_cmds");
  72     _PATH_SSH_SYSTEM_HOSTFILE   = compose3(gl, SSHDIR, "/ssh_known_hosts");
  73     _PATH_SSH_SYSTEM_HOSTFILE2  = compose3(gl, SSHDIR, "/ssh_known_hosts2");
  74     _PATH_SERVER_CONFIG_FILE    = compose3(gl, SSHDIR, "/sshd_config");
  75     _PATH_HOST_CONFIG_FILE      = compose3(gl, SSHDIR, "/ssh_config");
  76     _PATH_HOST_KEY_FILE         = compose3(gl, SSHDIR, "/ssh_host_key");
  77     _PATH_HOST_DSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_dsa_key");
  78     _PATH_HOST_RSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_rsa_key");
  79     _PATH_DH_MODULI             = compose3(gl, SSHDIR, "/moduli");
  80     _PATH_DH_PRIMES             = compose3(gl, SSHDIR, "/primes");
  81     _PATH_SSH_PROGRAM           = compose3(gl, BINDIR, "/gsissh");
  82     _PATH_SSH_DAEMON_PID_FILE   = compose3(gl, VARDIR, "/sshd.pid");
  83     _PATH_SSH_SYSTEM_RC         = compose3(gl, SSHDIR, "/sshrc");
  84     _PATH_SSH_HOSTS_EQUIV       = compose3(gl, SSHDIR, "/shosts.equiv");
  85     _PATH_SSH_KEY_SIGN          = compose3(gl, LIBEXEC, "/ssh-keysign");
  86     _PATH_SFTP_SERVER           = compose3(gl, LIBEXEC, "/sftp-server");
  87     SSH_RAND_HELPER             = compose3(gl, LIBEXEC, "/ssh-rand-helper");
  88     _PATH_STDPATH_WITH_SCP      = compose4(_PATH_STDPATH, ":", gl, BINDIR);
  89 }