Merged revisions 50150 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r50150 | tilghman | 2007-01-09 07:30:04 -0600 (Tue, 09 Jan 2007) | 4 lines

The advent of realtime has enabled people to use commas in the fullname field.
This could cause an issue with sending voicemails, when the field is unquoted.
(Issue 8595)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@50151 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -1818,6 +1818,22 @@ static void prep_email_sub_vars(struct ast_channel *ast, struct ast_vm_user *vmu
 	pbx_builtin_setvar_helper(ast, "VM_CATEGORY", category ? ast_strdupa(category) : "no category");
 }
 
+static char *quote(const char *from, char *to, size_t len)
+{
+	char *ptr = to;
+	*ptr++ = '"';
+	for (; ptr < to + len - 1; from++) {
+		if (*from == '"')
+			*ptr++ = '\\';
+		else if (*from == '\0')
+			break;
+		*ptr++ = *from;
+	}
+	if (ptr < to + len - 1)
+		*ptr++ = '"';
+	*ptr = '\0';
+	return to;
+}
 /*
  * fill in *tm for current time according to the proper timezone, if any.
  * Return tm so it can be used as a function argument.
@@ -1866,6 +1882,8 @@ static void make_email_file(FILE *p, char *srcemail, struct ast_vm_user *vmu, in
 	char dur[256];
 	char tmpcmd[256];
 	struct tm tm;
+	char *passdata2;
+	size_t len_passdata;
 
 	gethostname(host, sizeof(host) - 1);
 	if (strchr(srcemail, '@'))
@@ -1889,7 +1907,9 @@ static void make_email_file(FILE *p, char *srcemail, struct ast_vm_user *vmu, in
 				memset(passdata, 0, vmlen);
 				prep_email_sub_vars(ast, vmu, msgnum + 1, context, mailbox, cidnum, cidname, dur, date, passdata, vmlen, category);
 				pbx_substitute_variables_helper(ast, fromstring, passdata, vmlen);
-				fprintf(p, "From: %s <%s>\r\n", passdata, who);
+				len_passdata = strlen(passdata) * 2 + 1;
+				passdata2 = alloca(len_passdata);
+				fprintf(p, "From: %s <%s>\r\n", quote(passdata, passdata2, len_passdata), who);
 			} else
 				ast_log(LOG_WARNING, "Cannot allocate workspace for variable substitution\n");
 			ast_channel_free(ast);
@@ -1897,7 +1917,9 @@ static void make_email_file(FILE *p, char *srcemail, struct ast_vm_user *vmu, in
 			ast_log(LOG_WARNING, "Cannot allocate the channel for variables substitution\n");
 	} else
 		fprintf(p, "From: Asterisk PBX <%s>\r\n", who);
-	fprintf(p, "To: %s <%s>\r\n", vmu->fullname, vmu->email);
+	len_passdata = strlen(vmu->fullname) * 2 + 1;
+	passdata2 = alloca(len_passdata);
+	fprintf(p, "To: %s <%s>\r\n", quote(vmu->fullname, passdata2, len_passdata), vmu->email);
 	if (emailsubject) {
 		struct ast_channel *ast;
 		if ((ast = ast_channel_alloc(0, AST_STATE_DOWN, 0, 0, 0))) {