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171 lines
4.8 KiB
Plaintext
171 lines
4.8 KiB
Plaintext
These paths translate From_ lines into Return-Path: in unix style mailboxes.
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If the mailbox is in MMDF format, it does nothing (since MMDF has already
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done the Return-Path: translation while writing the message out.
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WARNING: Do not merge these patches in with other patch files.
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Keep them separate (Andrey, I mean you).
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-- Paul Traina
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17-Feb-1997
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With old variant of this patch message size was counted incorrectly,
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"rpath" variable can be referenced without initialization, second
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Return-Path not skipped, fixed now.
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-- Andrey Chernov
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8-Oct-1997
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*** pop_dropcopy.c.orig Fri Jul 25 21:42:07 1997
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--- pop_dropcopy.c Wed Oct 8 10:36:34 1997
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***************
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*** 151,156 ****
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--- 151,187 ----
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return(ti != 0);
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}
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+ char *
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+ return_path (const char *unixfrom)
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+ {
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+ static char tmpbuf[BUFSIZ];
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+ int fromlen = sizeof("From ") - 1;
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+ const char *fp, *hp, *cp, *ep;
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+
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+ /* if it doesn't start with a From_, it's not */
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+ if (strncmp(unixfrom, "From ", fromlen))
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+ return NULL;
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+
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+ fp = unixfrom + fromlen;
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+ hp = cp = strchr(fp, ' ');
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+ while (hp = strchr(++hp, 'r'))
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+ if (!strncmp(hp, "remote from", sizeof("remote from") - 1)) {
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+ hp = strrchr(hp, ' ');
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+ break;
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+ }
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+
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+ if (hp) {
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+ ep = strrchr(++hp, '\n');
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+ snprintf(tmpbuf, sizeof(tmpbuf), "Return-Path: %.*s!%.*s\n",
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+ ep - hp, hp,
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+ cp - fp, fp);
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+ } else
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+ snprintf(tmpbuf, sizeof(tmpbuf), "Return-Path: %.*s\n",
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+ cp - fp, fp);
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+
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+ return tmpbuf;
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+ }
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+
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/* Hashing to a spool directory helps reduce the lookup time for sites
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* with thousands of mail spool files. Unix uses a linear list to
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* save directory information and the following methods attempt to
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***************
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*** 275,280 ****
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--- 306,312 ----
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char buffer[MAXLINELEN]; /* Read buffer */
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MD5_CTX mdContext;
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unsigned char digest[16];
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+ char *rpath = NULL;
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#ifdef DEBUG
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if(p->debug)
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***************
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*** 340,345 ****
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--- 372,380 ----
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(p->mmdf_separator ? !strcmp(p->mmdf_separator, buffer) :
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isfromline(buffer))) {
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+ if (!p->mmdf_separator)
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+ rpath = return_path(buffer);
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+
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if (expecting_trailer) {
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/* skip over the MMDF trailer */
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expecting_trailer = 0;
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***************
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*** 385,390 ****
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--- 420,428 ----
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mp->retr_flag = FALSE;
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mp->orig_retr_state = FALSE;
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mp->uidl_str = "\n";
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+ mp->return_path = rpath ? strdup(rpath) : NULL;
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+ if (rpath)
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+ mp->length += strlen(rpath) + 1;
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#ifdef DEBUG
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if(p->debug)
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pop_log(p,POP_DEBUG, "Msg %d being added to list", mp->number);
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***************
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*** 463,468 ****
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--- 501,508 ----
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mp->retr_flag = TRUE;
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mp->orig_retr_state = TRUE;
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}
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+ } else if (rpath && (strncasecmp(buffer,"Return-Path:",12) == 0)) {
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+ continue;
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}
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} else {
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content_nchar += nchar;
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***************
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*** 502,507 ****
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--- 542,548 ----
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int content_length, content_nchar, cont_len;
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MD5_CTX mdContext;
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unsigned char digest[16];
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+ char *rpath = NULL;
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FILE *mail_drop; /* Streams for fids */
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***************
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*** 574,579 ****
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--- 615,623 ----
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(p->mmdf_separator ? !strcmp(p->mmdf_separator, buffer) :
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isfromline(buffer))) {
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+ if (!p->mmdf_separator)
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+ rpath = return_path(buffer);
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+
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if (expecting_trailer) {
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expecting_trailer = 0;
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continue;
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***************
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*** 619,624 ****
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--- 663,671 ----
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mp->retr_flag = FALSE;
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mp->orig_retr_state = FALSE;
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mp->uidl_str = "\n";
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+ mp->return_path = rpath ? strdup(rpath) : NULL;
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+ if (rpath)
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+ mp->length += strlen(rpath) + 1;
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#ifdef DEBUG
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if(p->debug)
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***************
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*** 701,706 ****
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--- 748,755 ----
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mp->retr_flag = TRUE;
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mp->orig_retr_state = TRUE;
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}
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+ } else if (rpath && (strncasecmp(buffer,"Return-Path:",12) == 0)) {
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+ continue;
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}
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} else {
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content_nchar += nchar;
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--- pop_send.c Mon Feb 17 13:14:25 1997
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+++ pop_send.c Mon Feb 17 13:15:28 1997
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@@ -84,6 +84,9 @@
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/* Skip the first line (the sendmail "From" or MMDF line) */
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(void)fgets (buffer,MAXMSGLINELEN,p->drop);
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+ if (mp->return_path)
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+ pop_sendline(p, mp->return_path);
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+
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/* Send the header of the message followed by a blank line */
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while (fgets(buffer, MAXMSGLINELEN, p->drop)) {
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if (!strncasecmp(buffer, "Content-Length:", 15) ||
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--- popper.h Mon Feb 17 13:15:44 1997
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+++ popper.h Mon Feb 17 13:35:48 1997
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@@ -260,6 +263,8 @@
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Used for RSET cmd. */
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char *uidl_str; /* Cache of the UIDL str for
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faster access */
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+ char *return_path; /* Cache of the rpath str for
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+ faster access */
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} MsgInfoList;
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typedef struct { /* POP parameter block */
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