Module: ngircd.git Branch: master Commit: 1995af0ed62a4bbf544e0b5d9e0613fc912c9e3b URL: http://ngircd.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git&a=commit;h=1995af0ed... Author: Alexander Barton <alex@barton.de> Date: Sun Jul 11 17:03:43 2010 +0200 New functions Client_[Set]OrigUser() to get/set user specified by peer The Client_SetOrigUser() function is used to store the peer-provided user name (see USER command) in its original form, not changed by IDENT results, for example. --- src/ngircd/client.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++- src/ngircd/client.h | 7 +++++++ src/ngircd/irc-login.c | 3 +++ 3 files changed, 57 insertions(+), 1 deletions(-) diff --git a/src/ngircd/client.c b/src/ngircd/client.c index e6dbf15..44123ea 100644 --- a/src/ngircd/client.c +++ b/src/ngircd/client.c @@ -200,8 +200,10 @@ Init_New_Client(CONN_ID Idx, CLIENT *Introducer, CLIENT *TopServer, client->type = Type; if (ID) Client_SetID(client, ID); - if (User) + if (User) { Client_SetUser(client, User, Idented); + Client_SetOrigUser(client, User); + } if (Hostname) Client_SetHostname(client, Hostname); if (Info) @@ -352,6 +354,25 @@ Client_SetUser( CLIENT *Client, const char *User, bool Idented ) } /* Client_SetUser */ +/** + * Set "original" user name of a client. + * This function saves the "original" user name, the user name specified by + * the peer using the USER command, into the CLIENT structure. This user + * name may be used for authentication, for example. + * @param Client The client. + * @param User User name to set. + */ +GLOBAL void +Client_SetOrigUser(CLIENT *Client, const char *User) { + assert(Client != NULL); + assert(User != NULL); + +#ifdef PAM & IDENTAUTH + strlcpy(Client->orig_user, User, sizeof(Client->orig_user)); +#endif +} /* Client_SetOrigUser */ + + GLOBAL void Client_SetInfo( CLIENT *Client, const char *Info ) { @@ -601,6 +622,31 @@ Client_User( CLIENT *Client ) } /* Client_User */ +#ifdef PAM + +/** + * Get the "original" user name as supplied by the USER command. + * The user name as given by the client is used for authentication instead + * of the one detected using IDENT requests. + * @param Client The client. + * @return Original user name. + */ +GLOBAL char * +Client_OrigUser(CLIENT *Client) { +#ifndef IDENTAUTH + char *user = Client->user; + + if (user[0] == '~') + user++; + return user; +#else + return Client->orig_user; +#endif +} /* Client_OrigUser */ + +#endif + + GLOBAL char * Client_Hostname( CLIENT *Client ) { diff --git a/src/ngircd/client.h b/src/ngircd/client.h index 90fd6f2..352ddf3 100644 --- a/src/ngircd/client.h +++ b/src/ngircd/client.h @@ -43,6 +43,9 @@ typedef struct _CLIENT char pwd[CLIENT_PASS_LEN]; /* password received of the client */ char host[CLIENT_HOST_LEN]; /* hostname of the client */ char user[CLIENT_USER_LEN]; /* user name ("login") */ +#ifdef PAM & IDENTAUTH + char orig_user[CLIENT_USER_LEN];/* user name supplied by USER command */ +#endif char info[CLIENT_INFO_LEN]; /* long user name (user) / info text (server) */ char modes[CLIENT_MODE_LEN]; /* client modes */ int hops, token, mytoken; /* "hops" and "Token" (see SERVER command) */ @@ -92,6 +95,9 @@ GLOBAL char *Client_ID PARAMS(( CLIENT *Client )); GLOBAL char *Client_Mask PARAMS(( CLIENT *Client )); GLOBAL char *Client_Info PARAMS(( CLIENT *Client )); GLOBAL char *Client_User PARAMS(( CLIENT *Client )); +#ifdef PAM +GLOBAL char *Client_OrigUser PARAMS(( CLIENT *Client )); +#endif GLOBAL char *Client_Hostname PARAMS(( CLIENT *Client )); GLOBAL char *Client_Password PARAMS(( CLIENT *Client )); GLOBAL char *Client_Modes PARAMS(( CLIENT *Client )); @@ -111,6 +117,7 @@ GLOBAL bool Client_HasMode PARAMS(( CLIENT *Client, char Mode )); GLOBAL void Client_SetHostname PARAMS(( CLIENT *Client, const char *Hostname )); GLOBAL void Client_SetID PARAMS(( CLIENT *Client, const char *Nick )); GLOBAL void Client_SetUser PARAMS(( CLIENT *Client, const char *User, bool Idented )); +GLOBAL void Client_SetOrigUser PARAMS(( CLIENT *Client, const char *User )); GLOBAL void Client_SetInfo PARAMS(( CLIENT *Client, const char *Info )); GLOBAL void Client_SetPassword PARAMS(( CLIENT *Client, const char *Pwd )); GLOBAL void Client_SetType PARAMS(( CLIENT *Client, int Type )); diff --git a/src/ngircd/irc-login.c b/src/ngircd/irc-login.c index 5a52d3c..906b669 100644 --- a/src/ngircd/irc-login.c +++ b/src/ngircd/irc-login.c @@ -401,6 +401,7 @@ IRC_USER(CLIENT * Client, REQUEST * Req) #else Client_SetUser(Client, Req->argv[0], false); #endif + Client_SetOrigUser(Client, Req->argv[0]); /* "Real name" or user info text: Don't set it to the empty * string, the original ircd can't deal with such "real names" @@ -433,6 +434,7 @@ IRC_USER(CLIENT * Client, REQUEST * Req) Req->prefix); Client_SetUser(c, Req->argv[0], true); + Client_SetOrigUser(c, Req->argv[0]); Client_SetHostname(c, Req->argv[1]); Client_SetInfo(c, Req->argv[3]); @@ -575,6 +577,7 @@ IRC_WEBIRC(CLIENT *Client, REQUEST *Req) Client_Conn(Client), Req->argv[1], Req->argv[2], Req->argv[3]); Client_SetUser(Client, Req->argv[1], true); + Client_SetOrigUser(Client, Req->argv[1]); Client_SetHostname(Client, Req->argv[2]); return CONNECTED; } /* IRC_WEBIRC */