Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: curl-7_14_0
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 248 lines (214 sloc) 6.409 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
***************************************************************************/

#include "setup.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
#ifdef VMS
#include <unixlib.h>
#endif

#include <curl/curl.h>
#include "netrc.h"

#include "strequal.h"
#include "strtok.h"
#include "memory.h"

#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>

/* The last #include file should be: */
#include "memdebug.h"

/* Debug this single source file with:
'make netrc' then run './netrc'!

Oh, make sure you have a .netrc file too ;-)
*/

/* Get user and password from .netrc when given a machine name */

enum {
  NOTHING,
  HOSTFOUND, /* the 'machine' keyword was found */
  HOSTCOMPLETE, /* the machine name following the keyword was found too */
  HOSTVALID, /* this is "our" machine! */

  HOSTEND /* LAST enum */
};

/* make sure we have room for at least this size: */
#define LOGINSIZE 64
#define PASSWORDSIZE 64

/* returns -1 on failure, 0 if the host is found, 1 is the host isn't found */
int Curl_parsenetrc(char *host,
                    char *login,
                    char *password,
                    char *netrcfile)
{
  FILE *file;
  int retcode=1;
  int specific_login = (login[0] != 0);
  char *home = NULL;
  bool home_alloc = FALSE;
  bool netrc_alloc = FALSE;
  int state=NOTHING;

  char state_login=0; /* Found a login keyword */
  char state_password=0; /* Found a password keyword */
  int state_our_login=FALSE; /* With specific_login, found *our* login name */

#define NETRC DOT_CHAR "netrc"

#ifdef CURLDEBUG
  {
    /* This is a hack to allow testing.
* If compiled with --enable-debug and CURL_DEBUG_NETRC is defined,
* then it's the path to a substitute .netrc for testing purposes *only* */

    char *override = curl_getenv("CURL_DEBUG_NETRC");

    if (override) {
      fprintf(stderr, "NETRC: overridden " NETRC " file: %s\n", override);
      netrcfile = override;
      netrc_alloc = TRUE;
    }
  }
#endif /* CURLDEBUG */
  if(!netrcfile) {
    home = curl_getenv("HOME"); /* portable environment reader */
    if(home) {
      home_alloc = TRUE;
#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
    }
    else {
      struct passwd *pw;
      pw= getpwuid(geteuid());
      if (pw) {
#ifdef VMS
        home = decc$translate_vms(pw->pw_dir);
#else
        home = pw->pw_dir;
#endif
      }
#endif
    }

    if(!home)
      return -1;

    netrcfile = curl_maprintf("%s%s%s", home, DIR_CHAR, NETRC);
    if(!netrcfile) {
      if(home_alloc)
        free(home);
      return -1;
    }
    netrc_alloc = TRUE;
  }

  file = fopen(netrcfile, "r");
  if(file) {
    char *tok;
    char *tok_buf;
    bool done=FALSE;
    char netrcbuffer[256];

    while(!done && fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
      tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
      while(!done && tok) {

        if (login[0] && password[0]) {
          done=TRUE;
          break;
        }

        switch(state) {
        case NOTHING:
          if(strequal("machine", tok)) {
            /* the next tok is the machine name, this is in itself the
delimiter that starts the stuff entered for this machine,
after this we need to search for 'login' and
'password'. */
            state=HOSTFOUND;
          }
          break;
        case HOSTFOUND:
          if(strequal(host, tok)) {
            /* and yes, this is our host! */
            state=HOSTVALID;
#ifdef _NETRC_DEBUG
            fprintf(stderr, "HOST: %s\n", tok);
#endif
            retcode=0; /* we did find our host */
          }
          else
            /* not our host */
            state=NOTHING;
          break;
        case HOSTVALID:
          /* we are now parsing sub-keywords concerning "our" host */
          if(state_login) {
            if (specific_login) {
              state_our_login = strequal(login, tok);
            }
            else {
              strncpy(login, tok, LOGINSIZE-1);
#ifdef _NETRC_DEBUG
              fprintf(stderr, "LOGIN: %s\n", login);
#endif
            }
            state_login=0;
          }
          else if(state_password) {
            if (state_our_login || !specific_login) {
              strncpy(password, tok, PASSWORDSIZE-1);
#ifdef _NETRC_DEBUG
              fprintf(stderr, "PASSWORD: %s\n", password);
#endif
            }
            state_password=0;
          }
          else if(strequal("login", tok))
            state_login=1;
          else if(strequal("password", tok))
            state_password=1;
          else if(strequal("machine", tok)) {
            /* ok, there's machine here go => */
            state = HOSTFOUND;
            state_our_login = FALSE;
          }
          break;
        } /* switch (state) */

        tok = strtok_r(NULL, " \t\n", &tok_buf);
      } /* while (tok) */
    } /* while fgets() */

    fclose(file);
  }

  if(home_alloc)
    free(home);
  if(netrc_alloc)
    free(netrcfile);

  return retcode;
}

#ifdef _NETRC_DEBUG
int main(int argc, char **argv)
{
  char login[64]="";
  char password[64]="";

  if(argc<2)
    return -1;

  if(0 == ParseNetrc(argv[1], login, password)) {
    printf("HOST: %s LOGIN: %s PASSWORD: %s\n",
           argv[1], login, password);
  }
}

#endif
Something went wrong with that request. Please try again.