/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2017, 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.
- *
+ * are also available at https://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>
+#include "curl_setup.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"
+#include "strcase.h"
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* The last #include file should be: */
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
#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 {
+enum host_lookup_state {
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 */
+ HOSTVALID /* this is "our" machine! */
};
-/* 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,
+/*
+ * @unittest: 1304
+ *
+ * *loginp and *passwordp MUST be allocated if they aren't NULL when passed
+ * in.
+ */
+int Curl_parsenetrc(const char *host,
+ char **loginp,
+ char **passwordp,
char *netrcfile)
{
FILE *file;
- int retcode=1;
- int specific_login = (login[0] != 0);
- char *home = NULL;
- bool home_alloc = FALSE;
+ int retcode = 1;
+ int specific_login = (*loginp && **loginp != 0);
bool netrc_alloc = FALSE;
- int state=NOTHING;
+ enum host_lookup_state 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 */
+ 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 */
+ bool home_alloc = FALSE;
+ char *home = curl_getenv("HOME"); /* portable environment reader */
if(home) {
home_alloc = TRUE;
-#if defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
+#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
+ }
+ else {
+ struct passwd pw, *pw_res;
+ char pwbuf[1024];
+ if(!getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res)
+ && pw_res) {
+ home = strdup(pw.pw_dir);
+ if(!home)
+ return CURLE_OUT_OF_MEMORY;
+ home_alloc = TRUE;
+ }
+#elif 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
+ pw = getpwuid(geteuid());
+ if(pw) {
home = pw->pw_dir;
-#endif
}
#endif
}
if(!home)
- return -1;
+ return retcode; /* no home directory found (or possibly out of memory) */
netrcfile = curl_maprintf("%s%s%s", home, DIR_CHAR, NETRC);
+ if(home_alloc)
+ free(home);
if(!netrcfile) {
- if(home_alloc)
- free(home);
return -1;
}
netrc_alloc = TRUE;
}
- file = fopen(netrcfile, "r");
+ file = fopen(netrcfile, FOPEN_READTEXT);
+ if(netrc_alloc)
+ free(netrcfile);
if(file) {
char *tok;
char *tok_buf;
- bool done=FALSE;
+ bool done = FALSE;
char netrcbuffer[256];
+ int netrcbuffsize = (int)sizeof(netrcbuffer);
- while(!done && fgets(netrcbuffer, sizeof(netrcbuffer), file)) {
- tok=strtok_r(netrcbuffer, " \t\n", &tok_buf);
+ while(!done && fgets(netrcbuffer, netrcbuffsize, file)) {
+ tok = strtok_r(netrcbuffer, " \t\n", &tok_buf);
+ if(tok && *tok == '#')
+ /* treat an initial hash as a comment line */
+ continue;
while(!done && tok) {
- if (login[0] && password[0]) {
- done=TRUE;
+ if((*loginp && **loginp) && (*passwordp && **passwordp)) {
+ 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);
+ switch(state) {
+ case NOTHING:
+ if(strcasecompare("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;
+ }
+ else if(strcasecompare("default", tok)) {
+ state = HOSTVALID;
+ retcode = 0; /* we did find our host */
+ }
+ break;
+ case HOSTFOUND:
+ if(strcasecompare(host, tok)) {
+ /* and yes, this is our host! */
+ state = HOSTVALID;
+ 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 = strcasecompare(*loginp, tok);
}
else {
- strncpy(login, tok, LOGINSIZE-1);
-#ifdef _NETRC_DEBUG
- printf("LOGIN: %s\n", login);
-#endif
+ free(*loginp);
+ *loginp = strdup(tok);
+ if(!*loginp) {
+ retcode = -1; /* allocation failed */
+ goto out;
+ }
}
- 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_login = 0;
+ }
+ else if(state_password) {
+ if(state_our_login || !specific_login) {
+ free(*passwordp);
+ *passwordp = strdup(tok);
+ if(!*passwordp) {
+ retcode = -1; /* allocation failed */
+ goto out;
+ }
}
- 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_password = 0;
+ }
+ else if(strcasecompare("login", tok))
+ state_login = 1;
+ else if(strcasecompare("password", tok))
+ state_password = 1;
+ else if(strcasecompare("machine", tok)) {
+ /* ok, there's machine here go => */
+ state = HOSTFOUND;
state_our_login = FALSE;
- }
- break;
- } /* switch (state) */
+ }
+ break;
+ } /* switch (state) */
- tok = strtok_r(NULL, " \t\n", &tok_buf);
- } /* while (tok) */
+ tok = strtok_r(NULL, " \t\n", &tok_buf);
+ } /* while(tok) */
} /* while fgets() */
+ out:
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