Module: Rpam2

Defined in:
lib/rpam2.rb,
ext/rpam2/rpam2.c

Constant Summary collapse

VERSION = 
2.0

Class Method Summary collapse

Class Method Details

._auth(servicename, username, password, ruser, rhost) ⇒ Object 



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# File 'ext/rpam2/rpam2.c', line 109

static VALUE method_authpam(VALUE self, VALUE servicename, VALUE username, VALUE password, VALUE ruser, VALUE rhost) {
     pam_handle_t* pamh = NULL;
    unsigned int result = 0;
    struct pam_conv auth_c = {0,0};

    Check_Type(username, T_STRING);
    Check_Type(password, T_STRING);

    result = pam_start(rpam_default_servicename, StringValueCStr(username), &auth_c, &pamh);
    if (result != PAM_SUCCESS) {
        rb_warn("INIT: %s", pam_strerror(pamh, result));
        return Qfalse;
    }
    
    result = _start(pamh, &servicename, StringValueCStr(password), &ruser, &rhost);
    if(result!=PAM_SUCCESS)
        return Qfalse;


    if (pam_end(pamh, result) == PAM_SUCCESS)
        return Qtrue;
    else {
        rb_warn("END: %s", pam_strerror(pamh, result));
        return Qfalse;
    }
}

._getenv(servicename, username, password, envname, opensession, ruser, rhost) ⇒ Object 



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# File 'ext/rpam2/rpam2.c', line 163

static VALUE method_getenvpam(VALUE self, VALUE servicename, VALUE username, VALUE password, VALUE envname, VALUE opensession, VALUE ruser, VALUE rhost) {
    pam_handle_t* pamh = NULL;
    const char *c_ret;
    VALUE ruby_ret;
    unsigned int result = 0;
    struct pam_conv auth_c = {0,0};

    Check_Type(username, T_STRING);
    Check_Type(password, T_STRING);
    Check_Type(envname, T_STRING);

    result = pam_start(rpam_default_servicename, StringValueCStr(username), &auth_c, &pamh);
    if (result != PAM_SUCCESS) {
        rb_warn("INIT: %s", pam_strerror(pamh, result));
        return Qnil;
    }
    
    result = _start(pamh, &servicename, StringValueCStr(password), &ruser, &rhost);
    if(result != PAM_SUCCESS)
        return Qnil;

    if (RTEST(opensession)){
        result = pam_open_session(pamh, 0);
        if (result != PAM_SUCCESS) {
            rb_warn("SESSION OPEN: %s", pam_strerror(pamh, result));
            pam_end(pamh, result);
            return Qnil;
        }
    }
    c_ret = pam_getenv(pamh, StringValueCStr(envname));
    if(c_ret){
        ruby_ret = rb_str_new_cstr(c_ret);
    } else {
        ruby_ret = Qnil;
    }

    if (RTEST(opensession)){
        result = pam_close_session(pamh, 0);
        if (result != PAM_SUCCESS) {
            rb_warn("SESSION END: %s", pam_strerror(pamh, result));
        }
    }

    result = pam_end(pamh, result);
    if (result != PAM_SUCCESS) {
        rb_warn("END: %s", pam_strerror(pamh, result));
    }
    return ruby_ret;
}

._listenv(servicename, username, password, opensession, ruser, rhost) ⇒ Object 



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# File 'ext/rpam2/rpam2.c', line 214

static VALUE method_listenvpam(VALUE self, VALUE servicename, VALUE username, VALUE password, VALUE opensession, VALUE ruser, VALUE rhost){
    pam_handle_t* pamh = NULL;
    unsigned int result=0;
    char *last;
    char **envlist;
    char **tmpenvlist;
    VALUE ruby_ret;
    struct pam_conv auth_c = {0,0};

    Check_Type(username, T_STRING);
    Check_Type(password, T_STRING);

    
    result = pam_start(rpam_default_servicename, StringValueCStr(username), &auth_c, &pamh);
    if (result != PAM_SUCCESS) {
        rb_warn("INIT: %s", pam_strerror(pamh, result));
        return Qnil;
    }
    
    result = _start(pamh, &servicename, StringValueCStr(password), &ruser, &rhost);
    if(result != PAM_SUCCESS)
        return Qnil;

    if (RTEST(opensession)){
        result = pam_open_session(pamh, 0);
        if (result != PAM_SUCCESS) {
            rb_warn("SESSION OPEN: %s", pam_strerror(pamh, result));
            pam_end(pamh, result);
            return Qnil;
        }
    }

    envlist = pam_getenvlist(pamh);
    ruby_ret = rb_hash_new();
    tmpenvlist = envlist;
    while(*tmpenvlist!=NULL){
        last = strchr(*tmpenvlist, '=');
        /* should not be needed but better be safe in a security relevant application */
        if (last!=NULL){
            rb_hash_aset(ruby_ret, rb_str_new(*tmpenvlist, last-*tmpenvlist), rb_str_new_cstr(last+1));
        }
        /* strings have to be freed (specification)
         overwrite them with zero to prevent leakage */
        memset(*tmpenvlist, 0, strlen(*tmpenvlist));
        free(*tmpenvlist);
        tmpenvlist++;
    }
    /* stringlist have to be freed (specification) */
    free(envlist);

    if (RTEST(opensession)){
        result = pam_close_session(pamh, 0);
        if (result != PAM_SUCCESS) {
            rb_warn("SESSION END: %s", pam_strerror(pamh, result));
        }
        result = pam_end(pamh, result);
        if (result != PAM_SUCCESS) {
            rb_warn("END: %s", pam_strerror(pamh, result));
        }
    }

    return ruby_ret;
}

.account(servicename, username) ⇒ Object 



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# File 'ext/rpam2/rpam2.c', line 137

static VALUE method_accountpam(VALUE self, VALUE servicename, VALUE username) {
    pam_handle_t* pamh = NULL;
    unsigned int result=0;
    struct pam_conv auth_c = {0,0};
    
    Check_Type(username, T_STRING);

    result = pam_start(rpam_default_servicename, StringValueCStr(username), &auth_c, &pamh);
    if (result != PAM_SUCCESS) {
        rb_warn("INIT: %s", pam_strerror(pamh, result));
        return Qfalse;
    }

    result = _start(pamh, &servicename, NULL, NULL, NULL);
    if(result!=PAM_SUCCESS)
        return Qfalse;

    if (pam_end(pamh, result) == PAM_SUCCESS)
        return Qtrue;
    else {
        rb_warn("END: %s", pam_strerror(pamh, result));
        return Qfalse;
    }
}

.auth(*args) ⇒ Object 



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# File 'lib/rpam2.rb', line 4

def auth(*args)
  case args.size
    when 3
      self._auth(*args, nil, nil)
    when 5
      self._auth(*args)
    else
      raise ArgumentError, "wrong number of arguments (given #{args.size}, expected 3 or 5)"
  end
end

.getenv(*args) ⇒ Object 



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# File 'lib/rpam2.rb', line 14

def getenv(*args)
  case args.size
    when 4
      self._getenv(*args, nil, nil, nil)
    when 5
      self._getenv(*args, nil, nil)
    when 7
      self._getenv(*args)
    else
      raise ArgumentError, "wrong number of arguments (given #{args.size}, expected 4, 5 or 7)"
  end
end

.listenv(*args) ⇒ Object 



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# File 'lib/rpam2.rb', line 27

def listenv(*args)
  case args.size
    when 3
      self._listenv(*args, nil, nil, nil)
    when 4
      self._listenv(*args, nil, nil)
    when 6
      self._listenv(*args)
    else
      raise ArgumentError, "wrong number of arguments (given #{args.size}, expected 3, 4 or 6)"
  end
end