From: markus schnalke <meillo@marmaro.de>
Date: Sun, 25 Oct 2015 19:42:52 +0000 (+0100)
Subject: Add DCC support into whom
X-Git-Tag: mmh-0.2-RC1~6
X-Git-Url: http://git.marmaro.de/?p=mmh;a=commitdiff_plain;h=ca2931beaec23f8e1d2f98d15d7e9974009278b0

Add DCC support into whom

Plus a test for it.
---

diff --git a/man/whom.man1 b/man/whom.man1
index b40787b..d52dbca 100644
--- a/man/whom.man1
+++ b/man/whom.man1
@@ -9,6 +9,7 @@ whom \- report to whom a message would go
 .na
 .B whom
 .RB [ \-tocc " | " \-notocc ]
+.RB [ \-dcc " | " \-nodcc ]
 .RB [ \-bcc " | " \-nobcc ]
 .RB [ \-alias " | " \-noalias ]
 .RB [ \-Version ]
@@ -21,20 +22,23 @@ is used to list the recipient addresses in the headers of a message.
 .PP
 Per default,
 .B whom
-lists both, sighted and hidden, recipients.
+lists sighted and hidden recipients.
 The
 .BR \-notocc
-option suppresses the listing of sighted recipients.
+option suppresses the listing of sighted recipients (To and Cc).
+The
+.BR \-nodcc
+option suppresses the listing of hidden DCC recipients.
 The
 .BR \-nobcc
-option suppresses the listing of hidden recipients.
-If the printing of both kinds of recipients, visible and hidden,
-is requested and hidden recipients are present,
-they are separated by a line similar to ``\0==BCC==''.
+option suppresses the listing of hidden BCC recipients.
+If the printing of multiple kinds of recipients
+is requested and hidden ones are present,
+they are separated by a line similar to ``\0==DCC=='' or ``\0==BCC==''.
 The actual separator may change, but the regular expression
-/^[\0\\t].*BCC/ should always match.
+/^[\0\\t].*[DB]CC/ should always match.
 No separator is printed if only one kind of recipients is requested
-for printing, or if both are requested but no hidden recipients are
+for printing, or if multiple are requested but no hidden recipients are
 present.
 .PP
 With
@@ -71,6 +75,7 @@ mh\-alias(5), spost(8)
 .SH DEFAULTS
 .nf
 .RB ` \-tocc '
+.RB ` \-dcc '
 .RB ` \-bcc '
 .RB ` \-alias '
 .fi
diff --git a/test/tests/whom/test-dcc-bcc b/test/tests/whom/test-dcc-bcc
new file mode 100644
index 0000000..5936bbd
--- /dev/null
+++ b/test/tests/whom/test-dcc-bcc
@@ -0,0 +1,110 @@
+# test whom
+
+. "$MH_TEST_COMMON"
+
+
+draft="$MH_TEST_DIR/whom-$$.draft"
+
+
+# to + cc headers
+#
+cat >"$draft" <<!
+To: alice, gill
+Cc: jack, charly
+!
+runandcheck 'whom "$draft"' <<!
+alice
+gill
+jack
+charly
+!
+
+
+runandcheck 'whom -notocc -nodcc -nobcc "$draft"' <<!
+whom: use at least one of: -tocc -dcc -bcc
+!
+
+
+# to + dcc headers
+#
+cat >"$draft" <<!
+To: alice, gill
+Dcc: jack, charly
+!
+runandcheck 'whom "$draft"' <<!
+alice
+gill
+	==DCC==
+jack
+charly
+!
+
+
+
+
+# to + bcc headers
+#
+cat >"$draft" <<!
+To: alice, gill
+Bcc: jack, charly
+!
+runandcheck 'whom "$draft"' <<!
+alice
+gill
+	==BCC==
+jack
+charly
+!
+
+
+
+# to + dcc + bcc headers
+#
+cat >"$draft" <<!
+To: alice, gill
+Dcc: jack
+Bcc: charly
+!
+runandcheck 'whom "$draft"' <<!
+alice
+gill
+	==DCC==
+jack
+	==BCC==
+charly
+!
+
+
+runandcheck 'whom -nodcc -nobcc "$draft"' <<!
+alice
+gill
+!
+
+runandcheck 'whom -notocc -nobcc "$draft"' <<!
+jack
+!
+
+runandcheck 'whom -notocc -nodcc "$draft"' <<!
+charly
+!
+
+runandcheck 'whom -notocc "$draft"' <<!
+	==DCC==
+jack
+	==BCC==
+charly
+!
+
+runandcheck 'whom -nodcc "$draft"' <<!
+alice
+gill
+	==BCC==
+charly
+!
+
+runandcheck 'whom -nobcc "$draft"' <<!
+alice
+gill
+	==DCC==
+jack
+!
diff --git a/uip/whom.c b/uip/whom.c
index 4b15fbd..d313f05 100644
--- a/uip/whom.c
+++ b/uip/whom.c
@@ -22,13 +22,17 @@ static struct swit switches[] = {
 	{ "tocc", 0 },
 #define NTOCCSW 3
 	{ "notocc", 2 },
-#define BCCSW 4
+#define DCCSW 4
+	{ "dcc", 0 },
+#define NDCCSW 5
+	{ "nodcc", 2 },
+#define BCCSW 6
 	{ "bcc", 0 },
-#define NBCCSW 5
+#define NBCCSW 7
 	{ "nobcc", 2 },
-#define ALISW 6
+#define ALISW 8
 	{ "alias", 0 },
-#define NALISW 7
+#define NALISW 9
 	{ "noalias", 2 },
 	{ NULL, 0 }
 };
@@ -39,7 +43,8 @@ static struct swit switches[] = {
 #define HRESENT (1<<1)
 #define HTO (1<<2)
 #define HCC (1<<3)
-#define HBCC (1<<4)
+#define HDCC (1<<4)
+#define HBCC (1<<5)
 
 struct mailname head = {0};
 struct mailname *mp = &head;
@@ -48,10 +53,12 @@ static char *cmd;
 
 static int resent = 0;  /* consider normal or resent headers */
 static int toccsw = 1;  /* list sighted recipients */
-static int bccsw = 1;  /* list hidden recipients */
+static int dccsw = 1;  /* list hidden dcc recipients */
+static int bccsw = 1;  /* list hidden bcc recipients */
 static int alisw = 1;  /* expand aliases on rcpt addrs */
 
-static char *separator = "\t==BCC==";
+static char *dccsep = "\t==DCC==";
+static char *bccsep = "\t==BCC==";
 
 
 /*
@@ -60,6 +67,7 @@ static char *separator = "\t==BCC==";
 static int process(char *);
 static void proc_hdr(char *, char *);
 static int print(void);
+static int printdcc(void);
 static int printbcc(void);
 static void printone(struct mailname *);
 
@@ -109,6 +117,13 @@ main(int argc, char **argv)
 				toccsw = 0;
 				continue;
 
+			case DCCSW:
+				dccsw = 1;
+				continue;
+			case NDCCSW:
+				dccsw = 0;
+				continue;
+
 			case BCCSW:
 				bccsw = 1;
 				continue;
@@ -135,8 +150,8 @@ main(int argc, char **argv)
 	if (!filep) {
 		adios(EX_USAGE, NULL, "usage: %s [switches] file ...", invo_name);
 	}
-	if (!toccsw && !bccsw) {
-		adios(EX_USAGE, NULL, "give -tocc or -bcc or both to produce output");
+	if (!toccsw && !dccsw && !bccsw) {
+		adios(EX_USAGE, NULL, "use at least one of: -tocc -dcc -bcc");
 	}
 	for (filep=0; files[filep]; filep++) {
 		process(files[filep]);
@@ -156,6 +171,19 @@ main(int argc, char **argv)
 	naddrs += n;
 
 	cmd = add("ali -list", NULL);
+	if ((n=printdcc()) && alisw) {
+		if (!(in = popen(cmd, "r"))) {
+			adios(EX_IOERR, "popen", "unable to");
+		}
+		while (fgets(buf, sizeof buf, in)) {
+			fputs(buf, stdout);
+		}
+		pclose(in);
+	}
+	free(cmd);
+	naddrs += n;
+
+	cmd = add("ali -list", NULL);
 	if ((n=printbcc()) && alisw) {
 		if (!(in = popen(cmd, "r"))) {
 			adios(EX_IOERR, "popen", "unable to");
@@ -167,6 +195,7 @@ main(int argc, char **argv)
 	}
 	free(cmd);
 	naddrs += n;
+
 	return naddrs ? 0 : 1;
 }
 
@@ -242,12 +271,16 @@ proc_hdr(char *name, char *val)
 		type = HTO;
 	} else if (mh_strcasecmp(name, "cc")==0) {
 		type = HCC;
+	} else if (mh_strcasecmp(name, "dcc")==0) {
+		type = HDCC;
 	} else if (mh_strcasecmp(name, "bcc")==0) {
 		type = HBCC;
 	} else if (mh_strcasecmp(name, "resent-to")==0) {
 		type = (HRESENT | HTO);
 	} else if (mh_strcasecmp(name, "resent-cc")==0) {
 		type = (HRESENT | HCC);
+	} else if (mh_strcasecmp(name, "resent-dcc")==0) {
+		type = (HRESENT | HDCC);
 	} else if (mh_strcasecmp(name, "resent-bcc")==0) {
 		type = (HRESENT | HBCC);
 	}
@@ -259,6 +292,9 @@ proc_hdr(char *name, char *val)
 	if ((type&HTO || type&HCC) && !toccsw) {
 		return;
 	}
+	if ((type&HDCC) && !dccsw) {
+		return;
+	}
 	if ((type&HBCC) && !bccsw) {
 		return;
 	}
@@ -302,6 +338,30 @@ print(void)
 ** Walk through the list of addresses and print the right ones.
 */
 static int
+printdcc(void)
+{
+	int naddrs = 0;
+
+	for (mp=head.m_next; mp; mp=mp->m_next) {
+		/* skip unless both are resent or neither one is */
+		if (resent != (mp->m_type&HRESENT)) {
+			continue;
+		}
+		if (mp->m_type & HDCC) {
+			if (!naddrs && (toccsw || bccsw)) {
+				puts(dccsep);
+			}
+			naddrs++;
+			printone(mp);
+		}
+	}
+	return naddrs;
+}
+
+/*
+** Walk through the list of addresses and print the right ones.
+*/
+static int
 printbcc(void)
 {
 	int naddrs = 0;
@@ -312,8 +372,8 @@ printbcc(void)
 			continue;
 		}
 		if (mp->m_type & HBCC) {
-			if (!naddrs && toccsw) {
-				puts(separator);
+			if (!naddrs && (toccsw || dccsw)) {
+				puts(bccsep);
 			}
 			naddrs++;
 			printone(mp);