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Diffstat (limited to 'lib/netrc.c')
| -rw-r--r-- | lib/netrc.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/netrc.c b/lib/netrc.c new file mode 100644 index 000000000..f0e1382fe --- /dev/null +++ b/lib/netrc.c @@ -0,0 +1,182 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.0 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the + * License for the specific language governing rights and limitations + * under the License. + * + * The Original Code is Curl. + * + * The Initial Developer of the Original Code is Daniel Stenberg. + * + * Portions created by the Initial Developer are Copyright (C) 1998. + * All Rights Reserved. + * + * Contributor(s): + * Rafael Sagula <sagula@inf.ufrgs.br> + * Sampo Kellomaki <sampo@iki.fi> + * Linas Vepstas <linas@linas.org> + * Bjorn Reese <breese@imada.ou.dk> + * Johan Anderson <johan@homemail.com> + * Kjell Ericson <Kjell.Ericson@haxx.nu> + * Troy Engel <tengel@palladium.net> + * Ryan Nelson <ryan@inch.com> + * Bjorn Stenberg <Bjorn.Stenberg@haxx.nu> + * Angus Mackay <amackay@gus.ml.org> + * + * ------------------------------------------------------------ + * Main author: + * - Daniel Stenberg <Daniel.Stenberg@haxx.nu> + * + * http://curl.haxx.nu + * + * $Source$ + * $Revision$ + * $Date$ + * $Author$ + * $State$ + * $Locker$ + * + * ------------------------------------------------------------ + ****************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "setup.h" +#include "getenv.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 { + 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 */ +}; + +/* make sure we have room for at least this size: */ +#define LOGINSIZE 64 +#define PASSWORDSIZE 64 + +int ParseNetrc(char *host, + char *login, + char *password) +{ + FILE *file; + char netrcbuffer[256]; + int retcode=1; + + char *home = GetEnv("HOME"); /* portable environment reader */ + int state=NOTHING; + + char state_login=0; + char state_password=0; + +#define NETRC DOT_CHAR "netrc" + + if(!home || (strlen(home)>(sizeof(netrcbuffer)-strlen(NETRC)))) + return -1; + + sprintf(netrcbuffer, "%s%s%s", home, DIR_CHAR, NETRC); + + file = fopen(netrcbuffer, "r"); + if(file) { + char *tok; + while(fgets(netrcbuffer, sizeof(netrcbuffer), file)) { + tok=strtok(netrcbuffer, " \t\n"); + while(tok) { + 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) { + strncpy(login, tok, LOGINSIZE-1); +#ifdef _NETRC_DEBUG + printf("LOGIN: %s\n", login); +#endif + state_login=0; + } + else if(state_password) { + strncpy(password, tok, PASSWORDSIZE-1); +#if _NETRC_DEBUG + printf("PASSWORD: %s\n", password); +#endif + 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; + } + break; + } /* switch (state) */ + tok = strtok(NULL, " \t\n"); + } /* while (tok) */ + } /* while fgets() */ + + fclose(file); + } + + 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 |