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netrc: make the code try ".netrc" on Windows as well

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... but fall back and try "_netrc" too if the dot version didn't work.

Co-Authored-By: Steve Holme
This commit is contained in:
Daniel Stenberg 2019-08-16 11:30:29 +02:00
parent 1a0dc6f6a3
commit f9c7ba9096
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
1 changed files with 87 additions and 59 deletions
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146
lib/netrc.c
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@ -45,27 +45,27 @@ enum host_lookup_state {
HOSTVALID /* this is "our" machine! */
};
#define NETRC_FILE_MISSING 1
#define NETRC_FAILED -1
#define NETRC_SUCCESS 0
/*
* @unittest: 1304
*
* *loginp and *passwordp MUST be allocated if they aren't NULL when passed
* in.
* Returns zero on success.
*/
int Curl_parsenetrc(const char *host,
char **loginp,
char **passwordp,
bool *login_changed,
bool *password_changed,
char *netrcfile)
static int parsenetrc(const char *host,
char **loginp,
char **passwordp,
bool *login_changed,
bool *password_changed,
char *netrcfile)
{
FILE *file;
int retcode = 1;
int retcode = NETRC_FILE_MISSING;
char *login = *loginp;
char *password = *passwordp;
bool specific_login = (login && *login != 0);
bool login_alloc = FALSE;
bool password_alloc = FALSE;
bool netrc_alloc = FALSE;
enum host_lookup_state state = NOTHING;
char state_login = 0; /* Found a login keyword */
@ -73,51 +73,9 @@ int Curl_parsenetrc(const char *host,
int state_our_login = FALSE; /* With specific_login, found *our* login
name */
#define NETRC DOT_CHAR "netrc"
if(!netrcfile) {
bool home_alloc = FALSE;
char *home = curl_getenv("HOME"); /* portable environment reader */
if(home) {
home_alloc = TRUE;
#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 -1;
home_alloc = TRUE;
}
#elif defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
}
else {
struct passwd *pw;
pw = getpwuid(geteuid());
if(pw) {
home = pw->pw_dir;
}
#endif
}
if(!home)
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) {
return -1;
}
netrc_alloc = TRUE;
}
DEBUGASSERT(netrcfile);
file = fopen(netrcfile, FOPEN_READTEXT);
if(netrc_alloc)
free(netrcfile);
if(file) {
char *tok;
char *tok_buf;
@ -148,14 +106,14 @@ int Curl_parsenetrc(const char *host,
}
else if(strcasecompare("default", tok)) {
state = HOSTVALID;
retcode = 0; /* we did find our host */
retcode = NETRC_SUCCESS; /* 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 */
retcode = NETRC_SUCCESS; /* we did find our host */
}
else
/* not our host */
@ -174,7 +132,7 @@ int Curl_parsenetrc(const char *host,
}
login = strdup(tok);
if(!login) {
retcode = -1; /* allocation failed */
retcode = NETRC_FAILED; /* allocation failed */
goto out;
}
login_alloc = TRUE;
@ -190,7 +148,7 @@ int Curl_parsenetrc(const char *host,
}
password = strdup(tok);
if(!password) {
retcode = -1; /* allocation failed */
retcode = NETRC_FAILED; /* allocation failed */
goto out;
}
password_alloc = TRUE;
@ -215,6 +173,7 @@ int Curl_parsenetrc(const char *host,
out:
if(!retcode) {
/* success */
*login_changed = FALSE;
*password_changed = FALSE;
if(login_alloc) {
@ -242,4 +201,73 @@ int Curl_parsenetrc(const char *host,
return retcode;
}
/*
* @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,
bool *login_changed,
bool *password_changed,
char *netrcfile)
{
int retcode = 1;
char *filealloc = NULL;
if(!netrcfile) {
char *home = curl_getenv("HOME"); /* portable environment reader */
if(home) {
#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 -1;
}
#elif defined(HAVE_GETPWUID) && defined(HAVE_GETEUID)
}
else {
struct passwd *pw;
pw = getpwuid(geteuid());
if(pw) {
home = pw->pw_dir;
}
#endif
}
if(!home)
return retcode; /* no home directory found (or possibly out of
memory) */
filealloc = curl_maprintf("%s%s.netrc", home, DIR_CHAR);
if(!filealloc)
return -1;
retcode = parsenetrc(host, loginp, passwordp, login_changed,
password_changed, filealloc);
free(filealloc);
#ifdef WIN32
if(retcode == NETRC_FILE_MISSING) {
/* fallback to the old-style "_netrc" file */
filealloc = curl_maprintf("%s%s_netrc", home, DIR_CHAR);
if(!filealloc)
return -1;
retcode = parsenetrc(host, loginp, passwordp, login_changed,
password_changed, filealloc);
free(filealloc);
}
#endif
}
else
retcode = parsenetrc(host, loginp, passwordp, login_changed,
password_changed, netrcfile);
return retcode;
}
#endif