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authorAndy Cedilnik <andy.cedilnik@kitware.com>2005-06-24 13:02:17 (GMT)
committerAndy Cedilnik <andy.cedilnik@kitware.com>2005-06-24 13:02:17 (GMT)
commit7c730973bba620ba50e02fb1330e99c2230d3d8b (patch)
tree08e6f54fd0f1b53a52bbdbe29db25171ddf81526 /Utilities/cmcurl/netrc.c
parentc4036bd94240d4850703bbe62dbdcf3ff34bb3cd (diff)
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ENH: Initial import
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diff --git a/Utilities/cmcurl/netrc.c b/Utilities/cmcurl/netrc.c
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+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2004, 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 "curl_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) {
+ printf("NETRC: overridden " NETRC " file: %s\n", home);
+ 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
+ printf("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
+ printf("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
+ printf("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