From 53f7500e1c6ebb110b93096d448ba7f75dd4995e Mon Sep 17 00:00:00 2001 From: "Eric S. Raymond" Date: Wed, 3 Jun 1998 14:14:19 +0000 Subject: Newest addrerss-rewrite wrinkle. svn path=/trunk/; revision=1878 --- rfc822.c | 30 +++++++++++++++++++----------- 1 file changed, 19 insertions(+), 11 deletions(-) (limited to 'rfc822.c') diff --git a/rfc822.c b/rfc822.c index 120abf17..9b574b55 100644 --- a/rfc822.c +++ b/rfc822.c @@ -18,6 +18,7 @@ #ifdef TESTMAIN static int verbose; +char *program_name = "rfc822"; #endif /* TESTMAIN */ char *reply_hack(buf, host) @@ -25,7 +26,7 @@ char *reply_hack(buf, host) char *buf; /* header to be hacked */ const char *host; /* server hostname */ { - char *from, *cp, last_nws = '\0'; + char *from, *cp, last_nws = '\0', *parens_from = NULL; int parendepth, state, has_bare_name_part, has_host_part; int addresscount = 1; @@ -56,13 +57,8 @@ const char *host; /* server hostname */ #endif /* TESTMAIN */ /* - * This is going to foo up on some ill-formed addresses. For example, - * "From: John Smith (Systems) " will get rewritten as - * "From: John Smith@my.pop.server (Systems) " because - * the state machine can't look ahead to the <> part past the comment - * and instead treats `John Smith' as a bareword address. - * - * Also note that we don't rewrite the fake address <> in order to + * This is going to foo up on some ill-formed addresses. + * Note that we don't rewrite the fake address <> in order to * avoid screwing up bounce suppression with a null Return-Path. */ @@ -105,13 +101,17 @@ const char *host; /* server hostname */ * an obscure misfeature described in sections * 6.1, 6.2.6, and A.1.5 of the RFC822 standard. */ - else if ((*from == ',' || HEADER_END(from) || from[1] == '(') + else if ((*from == ',' || HEADER_END(from)) && has_bare_name_part && !has_host_part - && last_nws != ';' && last_nws != ')') + && last_nws != ';') { int hostlen; + char *p; + p = from; + if (parens_from) + from = parens_from; while (isspace(*from) || (*from == ',')) --from; from++; @@ -120,9 +120,16 @@ const char *host; /* server hostname */ cp[hostlen+1] = *cp; *from++ = '@'; memcpy(from, host, hostlen); - from += hostlen; + from = p + hostlen + 1; has_host_part = TRUE; } + else if (from[1] == '(' + && has_bare_name_part + && !has_host_part + && last_nws != ';' && last_nws != ')') + { + parens_from = from; + } else if (!isspace(*from)) has_bare_name_part = TRUE; break; @@ -159,6 +166,7 @@ const char *host; /* server hostname */ */ if (from[-1] == ',' && !parendepth) { has_host_part = has_bare_name_part = FALSE; + parens_from = NULL; } } -- cgit v1.2.3