diff options
Diffstat (limited to 'smtp.c')
| -rw-r--r-- | smtp.c | 126 |
1 files changed, 20 insertions, 106 deletions
@@ -1,18 +1,14 @@ -/* Copyright 1996 Eric S. Raymond +/* + * smtp.c -- code for speaking SMTP to a listener port + * + * Concept due to Harry Hochheiser. Implementation by ESR. Cleanup and + * strict RFC821 compliance by Cameron MacPherson. + * + * Copyright 1996 Eric S. Raymond * All rights reserved. * For license terms, see the file COPYING in this directory. */ -/*********************************************************************** - module: smtp.c - project: fetchmail - programmer: Harry Hochheiser - cleaned up and made rfc821 compliant by Cameron MacPherson - description: Handling of SMTP connections, and processing of mail - to be forwarded via SMTP connections. - - ***********************************************************************/ - #include <stdio.h> #include <config.h> #include <sys/types.h> @@ -22,17 +18,8 @@ #include "fetchmail.h" #include "smtp.h" -/********************************************************************* - function: SMTP_helo - description: Send a "HELO" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - return value: Result of SMTP_OK: based on codes in fetchmail.h. - - *********************************************************************/ - int SMTP_helo(int socket,char *host) +/* send a "HELO" message to the SMTP listener */ { int ok; @@ -43,21 +30,8 @@ int SMTP_helo(int socket,char *host) return ok; } -/********************************************************************* - function: SMTP_from - description: Send a "MAIL FROM:" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - from user name/host of originator - - Note: these args are likely to change, as we get fancier about - handling the names. - - return value: Result of SMTP_ok: based on codes in fetchmail.h. - - *********************************************************************/ int SMTP_from(int socket, char *from) +/* send a "MAIL FROM:" message to the SMTP listener */ { int ok; @@ -68,19 +42,8 @@ int SMTP_from(int socket, char *from) return ok; } -/********************************************************************* - function: SMTP_rcpt - description: Send a "RCPT TO:" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - touser: user name of recipient - tohost: host name of recipient - - return value: Result of SMTP_OK: based on codes in fetchmail.h. - - *********************************************************************/ -int SMTP_rcpt(int socket,char *to) +int SMTP_rcpt(int socket, char *to) +/* send a "RCPT TO:" message to the SMTP listener */ { int ok; @@ -91,15 +54,8 @@ int SMTP_rcpt(int socket,char *to) return ok; } -/********************************************************************* - function: SMTP_data - description: Send a "DATA" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - - *********************************************************************/ int SMTP_data(int socket) +/* send a "DATA" message to the SMTP listener */ { int ok; @@ -110,17 +66,8 @@ int SMTP_data(int socket) return ok; } -/********************************************************************* - function: SMTP_quit - description: Send a "QUIT" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - - return value: Result of SMTP_OK: based on codes in fetchmail.h. - - *********************************************************************/ int SMTP_quit(int socket) +/* send a "QUIT" message to the SMTP listener */ { int ok; @@ -131,17 +78,8 @@ int SMTP_quit(int socket) return ok; } -/********************************************************************* - function: SMTP_eom - description: Send a message data termination to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - return value: Result of SMTP_OK: based on codes in fetchmail.h. - - *********************************************************************/ - int SMTP_eom(int socket) +/* send a message data terminator to the SMTP listener */ { int ok; @@ -152,30 +90,16 @@ int SMTP_eom(int socket) return ok; } -/********************************************************************* - function: SMTP_rset - description: Send a "RSET" message to the SMTP server. - - arguments: - socket TCP/IP socket for connection to SMTP - - *********************************************************************/ void SMTP_rset(int socket) +/* send a "RSET" message to the SMTP listener */ { SockPrintf(socket,"RSET\r\n"); if (outlevel == O_VERBOSE) fprintf(stderr, "SMTP> RSET\n"); } -/********************************************************************* - function: SMTP_check - description: Returns the status of the smtp connection - arguments: - socket TCP/IP socket for connection to SMTP - return value: based on codes in fetchmail.h. - Do the dirty work of seeing what the status is.. - *********************************************************************/ static int SMTP_check(int socket,char *argbuf) +/* returns status of SMTP connection */ { int ok; char buf[SMTPBUFSIZE]; @@ -196,14 +120,8 @@ static int SMTP_check(int socket,char *argbuf) return (ok); } -/********************************************************************* - function: SMTP_ok - description: Returns the statsus of the smtp connection - arguments: - socket TCP/IP socket for connection to SMTP - return value: based on codes in fetchmail.h. - *********************************************************************/ int SMTP_ok(int socket,char *argbuf) +/* accepts SMTP response, returns status of SMTP connection */ { int ok; @@ -231,14 +149,10 @@ int SMTP_ok(int socket,char *argbuf) return ok; } -/********************************************************************* - function: SMTP_Gets - description: Gets a line from the SMTP connection - arguments: - socket TCP/IP socket for connection to SMTP - return value: number of bytes read. - *********************************************************************/ int SMTP_Gets(int socket,char *buf,int sz) +/* gets a line from the SMTP connection, returns bytes read */ { return read(socket,buf,sz); } + +/* smtp.c ends here */ |