openssh/pathnames.c

   1 #include "includes.h"
   2 #include "xmalloc.h"
   3 #include "log.h"
   4
   5 #include <string.h>
   6 #include <stdlib.h>
   7
   8 #define BINDIR "/bin"
   9 #define LIBEXEC "/libexec"
  10 #define SSHDIR "/etc/ssh"
  11 #define VARDIR "/var"
  12
  13 #define STRINIT "init_pathnames() not called!"
  14
  15 char *SSH_PRNG_COMMAND_FILE             = STRINIT;
  16 char *_PATH_SSH_SYSTEM_HOSTFILE         = STRINIT;
  17 char *_PATH_SSH_SYSTEM_HOSTFILE2        = STRINIT;
  18 char *_PATH_SERVER_CONFIG_FILE          = STRINIT;
  19 char *_PATH_HOST_CONFIG_FILE            = STRINIT;
  20 char *_PATH_HOST_KEY_FILE               = STRINIT;
  21 char *_PATH_HOST_DSA_KEY_FILE           = STRINIT;
  22 char *_PATH_HOST_RSA_KEY_FILE           = STRINIT;
  23 char *_PATH_DH_MODULI                   = STRINIT;
  24 char *_PATH_DH_PRIMES                   = STRINIT;
  25 char *_PATH_SSH_PROGRAM                 = STRINIT;
  26 char *_PATH_SSH_DAEMON_PID_FILE         = STRINIT;
  27 char *_PATH_SSH_SYSTEM_RC               = STRINIT;
  28 char *_PATH_SSH_HOSTS_EQUIV             = STRINIT;
  29 char *_PATH_SSH_KEY_SIGN                = STRINIT;
  30 char *_PATH_SFTP_SERVER                 = STRINIT;
  31 char *SSH_RAND_HELPER                   = STRINIT;
  32 char *_PATH_STDPATH_WITH_SCP            = STRINIT;
  33
  34 static char *
  35 compose3(const char str1[], const char str2[], const char str3[])
  36 {
  37     int len;
  38     char *result;
  39
  40     len = strlen(str1) + strlen(str2) + strlen(str3) + 1;
  41     result = xmalloc(len);
  42     snprintf(result, len, "%s%s%s", str1, str2, str3);
  43
  44     return result;
  45 }
  46
  47 static char *
  48 compose4(const char str1[], const char str2[], const char str3[],
  49          const char str4[])
  50 {
  51     int len;
  52     char *result;
  53
  54     len = strlen(str1) + strlen(str2) + strlen(str3) + strlen(str4) + 1;
  55     result = xmalloc(len);
  56     snprintf(result, len, "%s%s%s%s", str1, str2, str3, str4);
  57
  58     return result;
  59 }
  60
  61 void
  62 init_pathnames()
  63 {
  64     char *gl;
  65
  66     gl = (char *)getenv("GLOBUS_LOCATION");
  67     if (gl == (char *)NULL) {
  68         fatal("GLOBUS_LOCATION environment variable undefined.");
  69     }
  70
  71     /* lots of one time memory leaks here */
  72     SSH_PRNG_COMMAND_FILE       = compose3(gl, SSHDIR, "/ssh_prng_cmds");
  73     _PATH_SSH_SYSTEM_HOSTFILE   = compose3(gl, SSHDIR, "/ssh_known_hosts");
  74     _PATH_SSH_SYSTEM_HOSTFILE2  = compose3(gl, SSHDIR, "/ssh_known_hosts2");
  75     _PATH_SERVER_CONFIG_FILE    = compose3(gl, SSHDIR, "/sshd_config");
  76     _PATH_HOST_CONFIG_FILE      = compose3(gl, SSHDIR, "/ssh_config");
  77     _PATH_HOST_KEY_FILE         = compose3(gl, SSHDIR, "/ssh_host_key");
  78     _PATH_HOST_DSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_dsa_key");
  79     _PATH_HOST_RSA_KEY_FILE     = compose3(gl, SSHDIR, "/ssh_host_rsa_key");
  80     _PATH_DH_MODULI             = compose3(gl, SSHDIR, "/moduli");
  81     _PATH_DH_PRIMES             = compose3(gl, SSHDIR, "/primes");
  82     _PATH_SSH_PROGRAM           = compose3(gl, BINDIR, "/gsissh");
  83     _PATH_SSH_DAEMON_PID_FILE   = compose3(gl, VARDIR, "/sshd.pid");
  84     _PATH_SSH_SYSTEM_RC         = compose3(gl, SSHDIR, "/sshrc");
  85     _PATH_SSH_HOSTS_EQUIV       = compose3(gl, SSHDIR, "/shosts.equiv");
  86     _PATH_SSH_KEY_SIGN          = compose3(gl, LIBEXEC, "/ssh-keysign");
  87     _PATH_SFTP_SERVER           = compose3(gl, LIBEXEC, "/sftp-server");
  88     SSH_RAND_HELPER             = compose3(gl, LIBEXEC, "/ssh-rand-helper");
  89     _PATH_STDPATH_WITH_SCP      = compose4(_PATH_STDPATH, ":", gl, BINDIR);
  90 }