diff options
Diffstat (limited to 'driver.c')
| -rw-r--r-- | driver.c | 67 |
1 files changed, 57 insertions, 10 deletions
@@ -292,7 +292,6 @@ struct hostrec *queryctl; int n, oldlen; int inheaders; int lines,sizeticker; - time_t now; /* This keeps the retrieved message count for display purposes */ static int msgnum = 0; @@ -417,13 +416,17 @@ struct hostrec *queryctl; if (*cp == '\r') *cp = '\n'; - /* - * Strictly speaking, we ought to replace all LFs - * with CR-LF before shipping to an SMTP listener. - * Since most SMTP listeners built since the mid-1980s - * (and *all* Unix listeners) accept lone LF as equivalent - * to CR-LF, we'll skip this particular contortion. - */ + /* replace all LFs with CR-LF before sending to the SMTP server */ + if (!queryctl->mda[0]) + { + char *newheaders = malloc(1 + oldlen * 2); + + if (newheaders == NULL) + return(PS_IOERR); + oldlen = strcrlf(newheaders, headers, oldlen); + free(headers); + headers = newheaders; + } if (write(mboxfd,headers,oldlen) < 0) { free(headers); @@ -441,8 +444,20 @@ struct hostrec *queryctl; if (*bufp == '.' && queryctl->mda[0] == 0) write(mboxfd, ".", 1); - /* write this line to the file -- comment about CR-LF vs. LF applies */ - if (write(mboxfd,bufp,strlen(bufp)) < 0) + /* write this line to the file after replacing all LFs with CR-LF */ + if (!queryctl->mda[0]) + { + char *newbufp = malloc(1 + strlen(bufp) * 2); + + if (newbufp == NULL) + return(PS_IOERR); + strcrlf(newbufp, bufp, strlen(bufp)); + bufp = newbufp; + } + n = write(mboxfd,bufp,strlen(bufp)); + if (!queryctl->mda[0]) + free(bufp); + if (n < 0) { perror("gen_readmsg: writing message text"); return(PS_IOERR); @@ -859,7 +874,39 @@ va_dcl { return(ok); } +/********************************************************************* + function: strcrlf + description: replace LFs with CR-LF + + arguments: + dst new string with CR-LFs + src original string with LFs + count length of src + + return value: length of dst + calls: none. + globals: none. + *********************************************************************/ +int strcrlf(dst, src, count) +char *dst; +char *src; +int count; +{ + int len = count; + + while (count--) + { + if (*src == '\n') + { + *dst++ = '\r'; + len++; + } + *dst++ = *src++; + } + *dst = '\0'; + return len; +} /********************************************************************* function: alarm_handler description: In real life process can get stuck waiting for |