X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/fb3dc57975989a6514577569af9171732b7c5403..1e3f4083db29bba600b9725e9456b0e140975c99:/apt-pkg/contrib/netrc.cc diff --git a/apt-pkg/contrib/netrc.cc b/apt-pkg/contrib/netrc.cc index d8027fc24..de95aa4ab 100644 --- a/apt-pkg/contrib/netrc.cc +++ b/apt-pkg/contrib/netrc.cc @@ -11,9 +11,13 @@ ##################################################################### */ /*}}}*/ +#include #include +#include +#include #include + #include #include #include @@ -23,6 +27,7 @@ #include "netrc.h" +using std::string; /* Get user and password from .netrc when given a machine name */ @@ -35,27 +40,20 @@ enum { }; /* 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; @@ -67,8 +65,7 @@ int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) 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; @@ -79,12 +76,19 @@ int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) 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; } @@ -116,13 +120,13 @@ int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) /* 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; @@ -138,8 +142,9 @@ int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) tok = strtok_r (NULL, " \t\n", &tok_buf); } /* while(tok) */ - } /* while fgets() */ + } /* while getline() */ + free(netrcbuffer); fclose(file); } @@ -148,6 +153,18 @@ int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) return retcode; } +// for some unknown reason this method is exported so keep a compatible interface for now … +int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL) +{ + std::string login_string, password_string; + int const ret = parsenetrc_string(host, login_string, password_string, netrcfile); + if (ret < 0) + return ret; + strncpy(login, login_string.c_str(), LOGINSIZE - 1); + strncpy(password, password_string.c_str(), PASSWORDSIZE - 1); + return ret; +} + void maybe_add_auth (URI &Uri, string NetRCFile) { @@ -158,39 +175,42 @@ void maybe_add_auth (URI &Uri, string NetRCFile) { if (NetRCFile.empty () == false) { - char login[64] = ""; - char password[64] = ""; - char *netrcfile = strdupa (NetRCFile.c_str ()); + std::string login, password; + char *netrcfile = strdup(NetRCFile.c_str()); // first check for a generic host based netrc entry - char *host = strdupa (Uri.Host.c_str ()); - if (host && parsenetrc (host, login, password, netrcfile) == 0) + char *host = strdup(Uri.Host.c_str()); + if (host && parsenetrc_string(host, login, password, netrcfile) == 0) { if (_config->FindB("Debug::Acquire::netrc", false) == true) std::clog << "host: " << host << " user: " << login - << " pass-size: " << strlen(password) + << " pass-size: " << password.size() << std::endl; - Uri.User = string (login); - Uri.Password = string (password); + Uri.User = login; + Uri.Password = password; + free(netrcfile); + free(host); return; } + free(host); // 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 = strdupa (string(Uri.Host+Uri.Path).c_str ()); - if (hostpath && parsenetrc (hostpath, login, password, netrcfile) == 0) + char *hostpath = strdup(string(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: " << strlen(password) + << " pass-size: " << password.size() << std::endl; - Uri.User = string (login); - Uri.Password = string (password); - return; + Uri.User = login; + Uri.Password = password; } + free(netrcfile); + free(hostpath); } } }