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authorEric S. Raymond <esr@thyrsus.com>1997-08-06 20:56:57 +0000
committerEric S. Raymond <esr@thyrsus.com>1997-08-06 20:56:57 +0000
commit974600808906333590feb4ad879f89ec6ef6c10e (patch)
treea6c678087a3d50da1913f0496b29df13dcc72014
parent48232265f836113745c0534694e65b3c9f8bcfc7 (diff)
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Better modularity.
svn path=/trunk/; revision=1241
-rw-r--r--driver.c134
1 files changed, 60 insertions, 74 deletions
diff --git a/driver.c b/driver.c
index 6144fb33..224a941c 100644
--- a/driver.c
+++ b/driver.c
@@ -448,11 +448,60 @@ int smtp_open(struct query *ctl)
return(ctl->smtp_socket);
}
-/* these are shared by readheaders and readbody */
+/* these are shared by stuffline, readheaders and readbody */
static FILE *sinkfp;
static RETSIGTYPE (*sigchld)();
static int sizeticker;
+static int stuffline(struct query *ctl, char *buf, flag delimited)
+/* ship a line to the given control block's SMTP server */
+{
+ int n;
+
+ /* fix message lines that have only \n termination (for qmail) */
+ if (ctl->forcecr)
+ {
+ char *cp = buf + strlen(buf) - 1;
+
+ if (*cp == '\n' && (cp == buf || cp[-1] != '\r'))
+ {
+ *cp++ = '\r';
+ *cp++ = '\n';
+ *cp++ = '\0';
+ }
+ }
+
+ /*
+ * SMTP byte-stuffing. We only do this if the protocol does *not*
+ * use .<CR><LF> as EOM. If it does, the server will already have
+ * decorated any . lines it sends back up.
+ */
+ if (!delimited && *buf == '.')
+ if (sinkfp && ctl->mda)
+ fputs(".", sinkfp);
+ else if (ctl->smtp_socket != -1)
+ SockWrite(ctl->smtp_socket, buf, 1);
+
+ /* we may need to strip carriage returns */
+ if (ctl->stripcr)
+ {
+ char *sp, *tp;
+
+ for (sp = tp = buf; *sp; sp++)
+ if (*sp != '\r')
+ *tp++ = *sp;
+ *tp = '\0';
+ }
+
+ n = 0;
+ if (ctl->mda)
+ n = fwrite(buf, 1, strlen(buf), sinkfp);
+ else if (ctl->smtp_socket != -1)
+ n = SockWrite(ctl->smtp_socket, buf, strlen(buf));
+
+ return(n);
+}
+
static int readheaders(sock, len, ctl, realname)
/* read message headers and ship to SMTP or MDA */
int sock; /* to which the server is connected */
@@ -1047,44 +1096,19 @@ char *realname; /* real name of host */
}
- if (ctl->mda && !ctl->forcecr)
- strcat(errmsg, "\n");
- else
- strcat(errmsg, "\r\n");
-
- /* we may need to strip carriage returns */
- if (ctl->stripcr)
- {
- char *sp, *tp;
-
- for (sp = tp = errmsg; *sp; sp++)
- if (*sp != '\r')
- *tp++ = *sp;
- *tp = '\0';
- }
-
/* ship out the error line */
if (sinkfp)
- {
- if (ctl->mda)
- fwrite(errmsg, sizeof(char), strlen(errmsg), sinkfp);
- else
- SockWrite(ctl->smtp_socket, errmsg, strlen(errmsg));
- }
+ stuffline(ctl, errmsg, protocol->delimited);
}
free_str_list(&xmit_names);
/* issue the delimiter line */
- if (sinkfp && ctl->mda)
- fputc('\n', sinkfp);
- else if (ctl->smtp_socket != -1)
- {
- if (ctl->stripcr)
- SockWrite(ctl->smtp_socket, "\n", 1);
- else
- SockWrite(ctl->smtp_socket, "\r\n", 2);
- }
+ cp = buf;
+ *cp++ = '\r';
+ *cp++ = '\n';
+ *cp++ = '\0';
+ stuffline(ctl, buf, protocol->delimited);
return(PS_SUCCESS);
}
@@ -1120,55 +1144,17 @@ flag delimited; /* does the protocol use a message delimiter? */
}
len -= linelen;
- /* fix messages that have only \n line-termination (for qmail) */
- if (ctl->forcecr)
- {
- cp = buf + strlen(buf) - 1;
- if (*cp == '\n' && (cp == buf || cp[-1] != '\r'))
- {
- *cp++ = '\r';
- *cp++ = '\n';
- *cp++ = '\0';
- }
- }
-
/* check for end of message */
if (delimited && *buf == '.')
- if (buf[1] == '\r' && buf[2] == '\n')
+ if (buf[1] == '\r' && buf[2] == '\n' && buf[3] == '\0')
+ break;
+ else if (buf[1] == '\n' && buf[2] == '\0')
break;
/* ship out the text line */
if (forward)
{
- int n;
-
- /*
- * SMTP byte-stuffing. We only do this if the protocol does *not*
- * use .<CR><LF> as EOM. If it does, the server will already have
- * decorated any . lines it sends back up.
- */
- if (!delimited && *buf == '.')
- if (sinkfp && ctl->mda)
- fputs(".", sinkfp);
- else if (ctl->smtp_socket != -1)
- SockWrite(ctl->smtp_socket, buf, 1);
-
- /* we may need to strip carriage returns */
- if (ctl->stripcr)
- {
- char *sp, *tp;
-
- for (sp = tp = buf; *sp; sp++)
- if (*sp != '\r')
- *tp++ = *sp;
- *tp = '\0';
- }
-
- n = 0;
- if (ctl->mda)
- n = fwrite(buf, 1, strlen(buf), sinkfp);
- else if (ctl->smtp_socket != -1)
- n = SockWrite(ctl->smtp_socket, buf, strlen(buf));
+ int n = stuffline(ctl, buf, delimited);
if (n < 0)
{