##################################################################### */
/*}}}*/
+#include <config.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/strutl.h>
+
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <stddef.h>
#include <pwd.h>
#include "netrc.h"
+using std::string;
/* Get user and password from .netrc when given a machine name */
};
/* make sure we have room for at least this size: */
-#define LOGINSIZE 64
-#define PASSWORDSIZE 64
+#define LOGINSIZE 256
+#define PASSWORDSIZE 256
#define NETRC DOT_CHAR "netrc"
/* returns -1 on failure, 0 if the host is found, 1 is the host isn't found */
-int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL)
+static int parsenetrc_string (char *host, std::string &login, std::string &password, char *netrcfile = NULL)
{
FILE *file;
int retcode = 1;
- int specific_login = (login[0] != 0);
- char *home = NULL;
+ int specific_login = (login.empty() == 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 */
if (!netrcfile) {
- home = getenv ("HOME"); /* portable environment reader */
+ char const * home = getenv ("HOME"); /* portable environment reader */
if (!home) {
struct passwd *pw;
if (!home)
return -1;
- asprintf (&netrcfile, "%s%s%s", home, DIR_CHAR, NETRC);
- if(!netrcfile)
+ if (asprintf (&netrcfile, "%s%s%s", home, DIR_CHAR, NETRC) == -1 || netrcfile == NULL)
return -1;
else
netrc_alloc = true;
char *tok;
char *tok_buf;
bool done = false;
- char netrcbuffer[256];
+ char *netrcbuffer = NULL;
+ size_t netrcbuffer_size = 0;
+
+ 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 */
- while (!done && fgets(netrcbuffer, sizeof (netrcbuffer), file)) {
+ while (!done && getline(&netrcbuffer, &netrcbuffer_size, file) != -1) {
tok = strtok_r (netrcbuffer, " \t\n", &tok_buf);
while (!done && tok) {
- if(login[0] && password[0]) {
+ if(login.empty() == false && password.empty() == false) {
done = true;
break;
}
}
break;
case HOSTFOUND:
- if (!strcasecmp (host, tok)) {
+ /* extended definition of a "machine" if we have a "/"
+ we match the start of the string (host.startswith(token) */
+ if ((strchr(host, '/') && strstr(host, tok) == host) ||
+ (!strcasecmp (host, tok))) {
/* and yes, this is our host! */
state = HOSTVALID;
retcode = 0; /* we did find our host */
/* we are now parsing sub-keywords concerning "our" host */
if (state_login) {
if (specific_login)
- state_our_login = !strcasecmp (login, tok);
+ state_our_login = !strcasecmp (login.c_str(), tok);
else
- strncpy (login, tok, LOGINSIZE - 1);
+ login = tok;
state_login = 0;
} else if (state_password) {
if (state_our_login || !specific_login)
- strncpy (password, tok, PASSWORDSIZE - 1);
+ password = tok;
state_password = 0;
} else if (!strcasecmp ("login", tok))
state_login = 1;
tok = strtok_r (NULL, " \t\n", &tok_buf);
} /* while(tok) */
- } /* while fgets() */
+ } /* while getline() */
+ free(netrcbuffer);
fclose(file);
}
void maybe_add_auth (URI &Uri, string NetRCFile)
{
if (_config->FindB("Debug::Acquire::netrc", false) == true)
- std::clog << "maybe_add_auth: " << NetRCFile << std::endl;
+ std::clog << "maybe_add_auth: " << (string)Uri
+ << " " << NetRCFile << std::endl;
if (Uri.Password.empty () == true || Uri.User.empty () == true)
{
if (NetRCFile.empty () == false)
{
- char login[64] = "";
- char password[64] = "";
- char *netrcfile = strdup (NetRCFile.c_str ());
- char *host = strdup (Uri.Host.c_str ());
+ std::string login, password;
+ char *netrcfile = strdup(NetRCFile.c_str());
- if (host && 0 == parsenetrc (host, login, password, netrcfile))
+ // first check for a generic host based netrc entry
+ char *host = strdup(Uri.Host.c_str());
+ if (host && parsenetrc_string(host, login, password, netrcfile) == 0)
{
- Uri.User = string (login);
- Uri.Password = string (password);
+ if (_config->FindB("Debug::Acquire::netrc", false) == true)
+ std::clog << "host: " << host
+ << " user: " << login
+ << " pass-size: " << password.size()
+ << std::endl;
+ Uri.User = login;
+ Uri.Password = password;
+ free(netrcfile);
+ free(host);
+ return;
}
+ free(host);
- if (host)
- free (host);
- free (netrcfile);
+ // if host did not work, try Host+Path next, this will trigger
+ // a lookup uri.startswith(host) in the netrc file parser (because
+ // of the "/"
+ char *hostpath = strdup((Uri.Host + Uri.Path).c_str());
+ if (hostpath && parsenetrc_string(hostpath, login, password, netrcfile) == 0)
+ {
+ if (_config->FindB("Debug::Acquire::netrc", false) == true)
+ std::clog << "hostpath: " << hostpath
+ << " user: " << login
+ << " pass-size: " << password.size()
+ << std::endl;
+ Uri.User = login;
+ Uri.Password = password;
+ }
+ free(netrcfile);
+ free(hostpath);
}
}
}