/src/gdal/curl/lib/netrc.c

Source (jump to first uncovered line)
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 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 https://curl.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.
 *
 * SPDX-License-Identifier: curl
 *
 ***************************************************************************/

#include "curl_setup.h"
#ifndef CURL_DISABLE_NETRC

#ifdef HAVE_PWD_H
#ifdef __AMIGA__
#undef __NO_NET_API /* required for AmigaOS to declare getpwuid() */
#endif
#include <pwd.h>
#ifdef __AMIGA__
#define __NO_NET_API
#endif
#endif

#include <curl/curl.h>
#include "netrc.h"
#include "strcase.h"
#include "curl_get_line.h"
#include "curlx/strparse.h"

/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
#include "memdebug.h"

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

enum host_lookup_state {
  NOTHING,
  HOSTFOUND,    /* the 'machine' keyword was found */
  HOSTVALID,    /* this is "our" machine! */
  MACDEF
};

enum found_state {
  NONE,
  LOGIN,
  PASSWORD
};

#define FOUND_LOGIN    1
#define FOUND_PASSWORD 2

#define MAX_NETRC_LINE 16384
#define MAX_NETRC_FILE (128*1024)
#define MAX_NETRC_TOKEN 4096

/* convert a dynbuf call CURLcode error to a NETRCcode error */
#define curl2netrc(result)                     \
  (((result) == CURLE_OUT_OF_MEMORY) ?         \
   NETRC_OUT_OF_MEMORY : NETRC_SYNTAX_ERROR)

static NETRCcode file2memory(const char *filename, struct dynbuf *filebuf)
{
  NETRCcode ret = NETRC_FILE_MISSING; /* if it cannot open the file */
  FILE *file = fopen(filename, FOPEN_READTEXT);
  struct dynbuf linebuf;
  curlx_dyn_init(&linebuf, MAX_NETRC_LINE);

  if(file) {
    ret = NETRC_OK;
    while(Curl_get_line(&linebuf, file)) {
      CURLcode result;
      const char *line = curlx_dyn_ptr(&linebuf);
      /* skip comments on load */
      curlx_str_passblanks(&line);
      if(*line == '#')
        continue;
      result = curlx_dyn_add(filebuf, line);
      if(result) {
        ret = curl2netrc(result);
        goto done;
      }
    }
  }
done:
  curlx_dyn_free(&linebuf);
  if(file)
    fclose(file);
  return ret;
}

/*
 * Returns zero on success.
 */
static NETRCcode parsenetrc(struct store_netrc *store,
                            const char *host,
                            char **loginp, /* might point to a username */
                            char **passwordp,
                            const char *netrcfile)
{
  NETRCcode retcode = NETRC_NO_MATCH;
  char *login = *loginp;
  char *password = NULL;
  bool specific_login = !!login; /* points to something */
  enum host_lookup_state state = NOTHING;
  enum found_state keyword = NONE;
  unsigned char found = 0; /* login + password found bits, as they can come in
                              any order */
  bool our_login = FALSE;  /* found our login name */
  bool done = FALSE;
  char *netrcbuffer;
  struct dynbuf token;
  struct dynbuf *filebuf = &store->filebuf;
  DEBUGASSERT(!*passwordp);
  curlx_dyn_init(&token, MAX_NETRC_TOKEN);

  if(!store->loaded) {
    NETRCcode ret = file2memory(netrcfile, filebuf);
    if(ret)
      return ret;
    store->loaded = TRUE;
  }

  netrcbuffer = curlx_dyn_ptr(filebuf);

  while(!done) {
    const char *tok = netrcbuffer;
    while(tok && !done) {
      const char *tok_end;
      bool quoted;
      curlx_dyn_reset(&token);
      curlx_str_passblanks(&tok);
      /* tok is first non-space letter */
      if(state == MACDEF) {
        if((*tok == '\n') || (*tok == '\r'))
          state = NOTHING; /* end of macro definition */
      }

      if(!*tok || (*tok == '\n'))
        /* end of line  */
        break;

      /* leading double-quote means quoted string */
      quoted = (*tok == '\"');

      tok_end = tok;
      if(!quoted) {
        size_t len = 0;
        CURLcode result;
        while(*tok_end > ' ') {
          tok_end++;
          len++;
        }
        if(!len) {
          retcode = NETRC_SYNTAX_ERROR;
          goto out;
        }
        result = curlx_dyn_addn(&token, tok, len);
        if(result) {
          retcode = curl2netrc(result);
          goto out;
        }
      }
      else {
        bool escape = FALSE;
        bool endquote = FALSE;
        tok_end++; /* pass the leading quote */
        while(*tok_end) {
          CURLcode result;
          char s = *tok_end;
          if(escape) {
            escape = FALSE;
            switch(s) {
            case 'n':
              s = '\n';
              break;
            case 'r':
              s = '\r';
              break;
            case 't':
              s = '\t';
              break;
            }
          }
          else if(s == '\\') {
            escape = TRUE;
            tok_end++;
            continue;
          }
          else if(s == '\"') {
            tok_end++; /* pass the ending quote */
            endquote = TRUE;
            break;
          }
          result = curlx_dyn_addn(&token, &s, 1);
          if(result) {
            retcode = curl2netrc(result);
            goto out;
          }
          tok_end++;
        }
        if(escape || !endquote) {
          /* bad syntax, get out */
          retcode = NETRC_SYNTAX_ERROR;
          goto out;
        }
      }

      if(curlx_dyn_len(&token))
        tok = curlx_dyn_ptr(&token);
      else
        /* since tok might actually be NULL for no content, set it to blank
           to avoid having to deal with it being NULL */
        tok = "";

      switch(state) {
      case NOTHING:
        if(strcasecompare("macdef", tok))
          /* Define a macro. A macro is defined with the specified name; its
             contents begin with the next .netrc line and continue until a
             null line (consecutive new-line characters) is encountered. */
          state = MACDEF;
        else 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;
          keyword = NONE;
          found = 0;
          our_login = FALSE;
          Curl_safefree(password);
          if(!specific_login)
            Curl_safefree(login);
        }
        else if(strcasecompare("default", tok)) {
          state = HOSTVALID;
          retcode = NETRC_OK; /* we did find our host */
        }
        break;
      case MACDEF:
        if(!*tok)
          state = NOTHING;
        break;
      case HOSTFOUND:
        if(strcasecompare(host, tok)) {
          /* and yes, this is our host! */
          state = HOSTVALID;
          retcode = NETRC_OK; /* we did find our host */
        }
        else
          /* not our host */
          state = NOTHING;
        break;
      case HOSTVALID:
        /* we are now parsing sub-keywords concerning "our" host */
        if(keyword == LOGIN) {
          if(specific_login)
            our_login = !Curl_timestrcmp(login, tok);
          else {
            our_login = TRUE;
            free(login);
            login = strdup(tok);
            if(!login) {
              retcode = NETRC_OUT_OF_MEMORY; /* allocation failed */
              goto out;
            }
          }
          found |= FOUND_LOGIN;
          keyword = NONE;
        }
        else if(keyword == PASSWORD) {
          free(password);
          password = strdup(tok);
          if(!password) {
            retcode = NETRC_OUT_OF_MEMORY; /* allocation failed */
            goto out;
          }
          if(!specific_login || our_login)
            found |= FOUND_PASSWORD;
          keyword = NONE;
        }
        else if(strcasecompare("login", tok))
          keyword = LOGIN;
        else if(strcasecompare("password", tok))
          keyword = PASSWORD;
        else if(strcasecompare("machine", tok)) {
          /* a new machine here */
          if(found & FOUND_PASSWORD) {
            done = TRUE;
            break;
          }
          state = HOSTFOUND;
          keyword = NONE;
          found = 0;
          Curl_safefree(password);
          if(!specific_login)
            Curl_safefree(login);
        }
        else if(strcasecompare("default", tok)) {
          state = HOSTVALID;
          retcode = NETRC_OK; /* we did find our host */
          Curl_safefree(password);
          if(!specific_login)
            Curl_safefree(login);
        }
        if((found == (FOUND_PASSWORD|FOUND_LOGIN)) && our_login) {
          done = TRUE;
          break;
        }
        break;
      } /* switch (state) */
      tok = ++tok_end;
    }
    if(!done) {
      char *nl = NULL;
      if(tok)
        nl = strchr(tok, '\n');
      if(!nl)
        break;
      /* point to next line */
      netrcbuffer = &nl[1];
    }
  } /* while !done */

out:
  curlx_dyn_free(&token);
  if(!retcode) {
    if(!password && our_login) {
      /* success without a password, set a blank one */
      password = strdup("");
      if(!password)
        retcode = NETRC_OUT_OF_MEMORY; /* out of memory */
    }
    else if(!login && !password)
      /* a default with no credentials */
      retcode = NETRC_NO_MATCH;
  }
  if(!retcode) {
    /* success */
    if(!specific_login)
      *loginp = login;
    *passwordp = password;
  }
  else {
    curlx_dyn_free(filebuf);
    if(!specific_login)
      free(login);
    free(password);
  }

  return retcode;
}

const char *Curl_netrc_strerror(NETRCcode ret)
{
  switch(ret) {
  default:
    return ""; /* not a legit error */
  case NETRC_FILE_MISSING:
    return "no such file";
  case NETRC_NO_MATCH:
    return "no matching entry";
  case NETRC_OUT_OF_MEMORY:
    return "out of memory";
  case NETRC_SYNTAX_ERROR:
    return "syntax error";
  }
  /* never reached */
}

/*
 * @unittest: 1304
 *
 * *loginp and *passwordp MUST be allocated if they are not NULL when passed
 * in.
 */
NETRCcode Curl_parsenetrc(struct store_netrc *store, const char *host,
                          char **loginp, char **passwordp,
                          char *netrcfile)
{
  NETRCcode retcode = NETRC_OK;
  char *filealloc = NULL;

  if(!netrcfile) {
#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
    char pwbuf[1024];
#endif
    char *home = NULL;
    char *homea = curl_getenv("HOME"); /* portable environment reader */
    if(homea) {
      home = homea;
#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
    }
    else {
      struct passwd pw, *pw_res;
      if(!getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res)
         && pw_res) {
        home = pw.pw_dir;
      }
#elif defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
    }
    else {
      struct passwd *pw;
      pw = getpwuid(geteuid());
      if(pw) {
        home = pw->pw_dir;
      }
#elif defined(_WIN32)
    }
    else {
      homea = curl_getenv("USERPROFILE");
      if(homea) {
        home = homea;
      }
#endif
    }

    if(!home)
      return NETRC_FILE_MISSING; /* no home directory found (or possibly out
                                    of memory) */

    filealloc = aprintf("%s%s.netrc", home, DIR_CHAR);
    if(!filealloc) {
      free(homea);
      return NETRC_OUT_OF_MEMORY;
    }
    retcode = parsenetrc(store, host, loginp, passwordp, filealloc);
    free(filealloc);
#ifdef _WIN32
    if(retcode == NETRC_FILE_MISSING) {
      /* fallback to the old-style "_netrc" file */
      filealloc = aprintf("%s%s_netrc", home, DIR_CHAR);
      if(!filealloc) {
        free(homea);
        return NETRC_OUT_OF_MEMORY;
      }
      retcode = parsenetrc(store, host, loginp, passwordp, filealloc);
      free(filealloc);
    }
#endif
    free(homea);
  }
  else
    retcode = parsenetrc(store, host, loginp, passwordp, netrcfile);
  return retcode;
}

void Curl_netrc_init(struct store_netrc *s)
{
  curlx_dyn_init(&s->filebuf, MAX_NETRC_FILE);
  s->loaded = FALSE;
}
void Curl_netrc_cleanup(struct store_netrc *s)
{
  curlx_dyn_free(&s->filebuf);
  s->loaded = FALSE;
}
#endif

Coverage Report

Created: 2025-06-09 07:43

Line	Count	Source (jump to first uncovered line)
1		/***************************************************************************
2		* _ _ ____ _
3		* Project ___\| \| \| \| _ \\| \|
4		* / __\| \| \| \| \|_) \| \|
5		* \| (__\| \|_\| \| _ <\| \|___
6		* \___\|\___/\|_\| \_\_____\|
7		*
8		* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9		*
10		* This software is licensed as described in the file COPYING, which
11		* you should have received as part of this distribution. The terms
12		* are also available at https://curl.se/docs/copyright.html.
13		*
14		* You may opt to use, copy, modify, merge, publish, distribute and/or sell
15		* copies of the Software, and permit persons to whom the Software is
16		* furnished to do so, under the terms of the COPYING file.
17		*
18		* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19		* KIND, either express or implied.
20		*
21		* SPDX-License-Identifier: curl
22		*
23		***************************************************************************/
24
25		#include "curl_setup.h"
26		#ifndef CURL_DISABLE_NETRC
27
28		#ifdef HAVE_PWD_H
29		#ifdef __AMIGA__
30		#undef __NO_NET_API /* required for AmigaOS to declare getpwuid() */
31		#endif
32		#include <pwd.h>
33		#ifdef __AMIGA__
34		#define __NO_NET_API
35		#endif
36		#endif
37
38		#include <curl/curl.h>
39		#include "netrc.h"
40		#include "strcase.h"
41		#include "curl_get_line.h"
42		#include "curlx/strparse.h"
43
44		/* The last 3 #include files should be in this order */
45		#include "curl_printf.h"
46		#include "curl_memory.h"
47		#include "memdebug.h"
48
49		/* Get user and password from .netrc when given a machine name */
50
51		enum host_lookup_state {
52		NOTHING,
53		HOSTFOUND, /* the 'machine' keyword was found */
54		HOSTVALID, /* this is "our" machine! */
55		MACDEF
56		};
57
58		enum found_state {
59		NONE,
60		LOGIN,
61		PASSWORD
62		};
63
64	0	#define FOUND_LOGIN 1
65	0	#define FOUND_PASSWORD 2
66
67	11.9k	#define MAX_NETRC_LINE 16384
68	79.0k	#define MAX_NETRC_FILE (128*1024)
69	11.9k	#define MAX_NETRC_TOKEN 4096
70
71		/* convert a dynbuf call CURLcode error to a NETRCcode error */
72		#define curl2netrc(result) \
73	0	(((result) == CURLE_OUT_OF_MEMORY) ? \
74	0	NETRC_OUT_OF_MEMORY : NETRC_SYNTAX_ERROR)
75
76		static NETRCcode file2memory(const char filename, struct dynbuf filebuf)
77	11.9k	{
78	11.9k	NETRCcode ret = NETRC_FILE_MISSING; /* if it cannot open the file */
79	11.9k	FILE *file = fopen(filename, FOPEN_READTEXT);
80	11.9k	struct dynbuf linebuf;
81	11.9k	curlx_dyn_init(&linebuf, MAX_NETRC_LINE);
82
83	11.9k	if(file) {
84	0	ret = NETRC_OK;
85	0	while(Curl_get_line(&linebuf, file)) {
86	0	CURLcode result;
87	0	const char *line = curlx_dyn_ptr(&linebuf);
88		/* skip comments on load */
89	0	curlx_str_passblanks(&line);
90	0	if(*line == '#')
91	0	continue;
92	0	result = curlx_dyn_add(filebuf, line);
93	0	if(result) {
94	0	ret = curl2netrc(result);
95	0	goto done;
96	0	}
97	0	}
98	0	}
99	11.9k	done:
100	11.9k	curlx_dyn_free(&linebuf);
101	11.9k	if(file)
102	0	fclose(file);
103	11.9k	return ret;
104	11.9k	}
105
106		/*
107		* Returns zero on success.
108		*/
109		static NETRCcode parsenetrc(struct store_netrc *store,
110		const char *host,
111		char *loginp, / might point to a username */
112		char **passwordp,
113		const char *netrcfile)
114	11.9k	{
115	11.9k	NETRCcode retcode = NETRC_NO_MATCH;
116	11.9k	char login = loginp;
117	11.9k	char *password = NULL;
118	11.9k	bool specific_login = !!login; /* points to something */
119	11.9k	enum host_lookup_state state = NOTHING;
120	11.9k	enum found_state keyword = NONE;
121	11.9k	unsigned char found = 0; /* login + password found bits, as they can come in
122		any order */
123	11.9k	bool our_login = FALSE; /* found our login name */
124	11.9k	bool done = FALSE;
125	11.9k	char *netrcbuffer;
126	11.9k	struct dynbuf token;
127	11.9k	struct dynbuf *filebuf = &store->filebuf;
128	11.9k	DEBUGASSERT(!*passwordp);
129	11.9k	curlx_dyn_init(&token, MAX_NETRC_TOKEN);
130
131	11.9k	if(!store->loaded) {
132	11.9k	NETRCcode ret = file2memory(netrcfile, filebuf);
133	11.9k	if(ret)
134	11.9k	return ret;
135	0	store->loaded = TRUE;
136	0	}
137
138	0	netrcbuffer = curlx_dyn_ptr(filebuf);
139
140	0	while(!done) {
141	0	const char *tok = netrcbuffer;
142	0	while(tok && !done) {
143	0	const char *tok_end;
144	0	bool quoted;
145	0	curlx_dyn_reset(&token);
146	0	curlx_str_passblanks(&tok);
147		/* tok is first non-space letter */
148	0	if(state == MACDEF) {
149	0	if((tok == '\n') \|\| (tok == '\r'))
150	0	state = NOTHING; /* end of macro definition */
151	0	}
152
153	0	if(!tok \|\| (tok == '\n'))
154		/* end of line */
155	0	break;
156
157		/* leading double-quote means quoted string */
158	0	quoted = (*tok == '\"');
159
160	0	tok_end = tok;
161	0	if(!quoted) {
162	0	size_t len = 0;
163	0	CURLcode result;
164	0	while(*tok_end > ' ') {
165	0	tok_end++;
166	0	len++;
167	0	}
168	0	if(!len) {
169	0	retcode = NETRC_SYNTAX_ERROR;
170	0	goto out;
171	0	}
172	0	result = curlx_dyn_addn(&token, tok, len);
173	0	if(result) {
174	0	retcode = curl2netrc(result);
175	0	goto out;
176	0	}
177	0	}
178	0	else {
179	0	bool escape = FALSE;
180	0	bool endquote = FALSE;
181	0	tok_end++; /* pass the leading quote */
182	0	while(*tok_end) {
183	0	CURLcode result;
184	0	char s = *tok_end;
185	0	if(escape) {
186	0	escape = FALSE;
187	0	switch(s) {
188	0	case 'n':
189	0	s = '\n';
190	0	break;
191	0	case 'r':
192	0	s = '\r';
193	0	break;
194	0	case 't':
195	0	s = '\t';
196	0	break;
197	0	}
198	0	}
199	0	else if(s == '\\') {
200	0	escape = TRUE;
201	0	tok_end++;
202	0	continue;
203	0	}
204	0	else if(s == '\"') {
205	0	tok_end++; /* pass the ending quote */
206	0	endquote = TRUE;
207	0	break;
208	0	}
209	0	result = curlx_dyn_addn(&token, &s, 1);
210	0	if(result) {
211	0	retcode = curl2netrc(result);
212	0	goto out;
213	0	}
214	0	tok_end++;
215	0	}
216	0	if(escape \|\| !endquote) {
217		/* bad syntax, get out */
218	0	retcode = NETRC_SYNTAX_ERROR;
219	0	goto out;
220	0	}
221	0	}
222
223	0	if(curlx_dyn_len(&token))
224	0	tok = curlx_dyn_ptr(&token);
225	0	else
226		/* since tok might actually be NULL for no content, set it to blank
227		to avoid having to deal with it being NULL */
228	0	tok = "";
229
230	0	switch(state) {
231	0	case NOTHING:
232	0	if(strcasecompare("macdef", tok))
233		/* Define a macro. A macro is defined with the specified name; its
234		contents begin with the next .netrc line and continue until a
235		null line (consecutive new-line characters) is encountered. */
236	0	state = MACDEF;
237	0	else if(strcasecompare("machine", tok)) {
238		/* the next tok is the machine name, this is in itself the delimiter
239		that starts the stuff entered for this machine, after this we
240		need to search for 'login' and 'password'. */
241	0	state = HOSTFOUND;
242	0	keyword = NONE;
243	0	found = 0;
244	0	our_login = FALSE;
245	0	Curl_safefree(password);
246	0	if(!specific_login)
247	0	Curl_safefree(login);
248	0	}
249	0	else if(strcasecompare("default", tok)) {
250	0	state = HOSTVALID;
251	0	retcode = NETRC_OK; /* we did find our host */
252	0	}
253	0	break;
254	0	case MACDEF:
255	0	if(!*tok)
256	0	state = NOTHING;
257	0	break;
258	0	case HOSTFOUND:
259	0	if(strcasecompare(host, tok)) {
260		/* and yes, this is our host! */
261	0	state = HOSTVALID;
262	0	retcode = NETRC_OK; /* we did find our host */
263	0	}
264	0	else
265		/* not our host */
266	0	state = NOTHING;
267	0	break;
268	0	case HOSTVALID:
269		/* we are now parsing sub-keywords concerning "our" host */
270	0	if(keyword == LOGIN) {
271	0	if(specific_login)
272	0	our_login = !Curl_timestrcmp(login, tok);
273	0	else {
274	0	our_login = TRUE;
275	0	free(login);
276	0	login = strdup(tok);
277	0	if(!login) {
278	0	retcode = NETRC_OUT_OF_MEMORY; /* allocation failed */
279	0	goto out;
280	0	}
281	0	}
282	0	found \|= FOUND_LOGIN;
283	0	keyword = NONE;
284	0	}
285	0	else if(keyword == PASSWORD) {
286	0	free(password);
287	0	password = strdup(tok);
288	0	if(!password) {
289	0	retcode = NETRC_OUT_OF_MEMORY; /* allocation failed */
290	0	goto out;
291	0	}
292	0	if(!specific_login \|\| our_login)
293	0	found \|= FOUND_PASSWORD;
294	0	keyword = NONE;
295	0	}
296	0	else if(strcasecompare("login", tok))
297	0	keyword = LOGIN;
298	0	else if(strcasecompare("password", tok))
299	0	keyword = PASSWORD;
300	0	else if(strcasecompare("machine", tok)) {
301		/* a new machine here */
302	0	if(found & FOUND_PASSWORD) {
303	0	done = TRUE;
304	0	break;
305	0	}
306	0	state = HOSTFOUND;
307	0	keyword = NONE;
308	0	found = 0;
309	0	Curl_safefree(password);
310	0	if(!specific_login)
311	0	Curl_safefree(login);
312	0	}
313	0	else if(strcasecompare("default", tok)) {
314	0	state = HOSTVALID;
315	0	retcode = NETRC_OK; /* we did find our host */
316	0	Curl_safefree(password);
317	0	if(!specific_login)
318	0	Curl_safefree(login);
319	0	}
320	0	if((found == (FOUND_PASSWORD\|FOUND_LOGIN)) && our_login) {
321	0	done = TRUE;
322	0	break;
323	0	}
324	0	break;
325	0	} /* switch (state) */
326	0	tok = ++tok_end;
327	0	}
328	0	if(!done) {
329	0	char *nl = NULL;
330	0	if(tok)
331	0	nl = strchr(tok, '\n');
332	0	if(!nl)
333	0	break;
334		/* point to next line */
335	0	netrcbuffer = &nl[1];
336	0	}
337	0	} /* while !done */
338
339	0	out:
340	0	curlx_dyn_free(&token);
341	0	if(!retcode) {
342	0	if(!password && our_login) {
343		/* success without a password, set a blank one */
344	0	password = strdup("");
345	0	if(!password)
346	0	retcode = NETRC_OUT_OF_MEMORY; /* out of memory */
347	0	}
348	0	else if(!login && !password)
349		/* a default with no credentials */
350	0	retcode = NETRC_NO_MATCH;
351	0	}
352	0	if(!retcode) {
353		/* success */
354	0	if(!specific_login)
355	0	*loginp = login;
356	0	*passwordp = password;
357	0	}
358	0	else {
359	0	curlx_dyn_free(filebuf);
360	0	if(!specific_login)
361	0	free(login);
362	0	free(password);
363	0	}
364
365	0	return retcode;
366	0	}
367
368		const char *Curl_netrc_strerror(NETRCcode ret)
369	0	{
370	0	switch(ret) {
371	0	default:
372	0	return ""; /* not a legit error */
373	0	case NETRC_FILE_MISSING:
374	0	return "no such file";
375	0	case NETRC_NO_MATCH:
376	0	return "no matching entry";
377	0	case NETRC_OUT_OF_MEMORY:
378	0	return "out of memory";
379	0	case NETRC_SYNTAX_ERROR:
380	0	return "syntax error";
381	0	}
382		/* never reached */
383	0	}
384
385		/*
386		* @unittest: 1304
387		*
388		* loginp and passwordp MUST be allocated if they are not NULL when passed
389		* in.
390		*/
391		NETRCcode Curl_parsenetrc(struct store_netrc store, const char host,
392		char loginp, char passwordp,
393		char *netrcfile)
394	11.9k	{
395	11.9k	NETRCcode retcode = NETRC_OK;
396	11.9k	char *filealloc = NULL;
397
398	11.9k	if(!netrcfile) {
399	11.9k	#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
400	11.9k	char pwbuf[1024];
401	11.9k	#endif
402	11.9k	char *home = NULL;
403	11.9k	char homea = curl_getenv("HOME"); / portable environment reader */
404	11.9k	if(homea) {
405	11.9k	home = homea;
406	11.9k	#if defined(HAVE_GETPWUID_R) && defined(HAVE_GETEUID)
407	11.9k	}
408	0	else {
409	0	struct passwd pw, *pw_res;
410	0	if(!getpwuid_r(geteuid(), &pw, pwbuf, sizeof(pwbuf), &pw_res)
411	0	&& pw_res) {
412	0	home = pw.pw_dir;
413	0	}
414		#elif defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
415		}
416		else {
417		struct passwd *pw;
418		pw = getpwuid(geteuid());
419		if(pw) {
420		home = pw->pw_dir;
421		}
422		#elif defined(_WIN32)
423		}
424		else {
425		homea = curl_getenv("USERPROFILE");
426		if(homea) {
427		home = homea;
428		}
429		#endif
430	0	}
431
432	11.9k	if(!home)
433	0	return NETRC_FILE_MISSING; /* no home directory found (or possibly out
434		of memory) */
435
436	11.9k	filealloc = aprintf("%s%s.netrc", home, DIR_CHAR);
437	11.9k	if(!filealloc) {
438	0	free(homea);
439	0	return NETRC_OUT_OF_MEMORY;
440	0	}
441	11.9k	retcode = parsenetrc(store, host, loginp, passwordp, filealloc);
442	11.9k	free(filealloc);
443		#ifdef _WIN32
444		if(retcode == NETRC_FILE_MISSING) {
445		/* fallback to the old-style "_netrc" file */
446		filealloc = aprintf("%s%s_netrc", home, DIR_CHAR);
447		if(!filealloc) {
448		free(homea);
449		return NETRC_OUT_OF_MEMORY;
450		}
451		retcode = parsenetrc(store, host, loginp, passwordp, filealloc);
452		free(filealloc);
453		}
454		#endif
455	11.9k	free(homea);
456	11.9k	}
457	0	else
458	0	retcode = parsenetrc(store, host, loginp, passwordp, netrcfile);
459	11.9k	return retcode;
460	11.9k	}
461
462		void Curl_netrc_init(struct store_netrc *s)
463	79.0k	{
464	79.0k	curlx_dyn_init(&s->filebuf, MAX_NETRC_FILE);
465	79.0k	s->loaded = FALSE;
466	79.0k	}
467		void Curl_netrc_cleanup(struct store_netrc *s)
468	81.3k	{
469	81.3k	curlx_dyn_free(&s->filebuf);
470	81.3k	s->loaded = FALSE;
471	81.3k	}
472		#endif