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From: "Adam D. Barratt" <debian-bts@adam-barratt.org.uk>
Date: Thu, 22 Jan 2004 09:27:04 +0000
Subject: 10 usermapprefix
Add UserMapPrefix option (bug#228059) by Mark Smith & Adam D. Barratt
---
man/spop3d.8 | 9 +++++++++
man/spop3d.conf.5 | 10 ++++++++++
src/configfile.h | 1 +
src/const.h | 1 +
src/main.c | 30 ++++++++++++++++++++++++++++--
5 files changed, 49 insertions(+), 2 deletions(-)
diff --git a/man/spop3d.8 b/man/spop3d.8
index bb34bea..8b3d7e5 100644
--- a/man/spop3d.8
+++ b/man/spop3d.8
@@ -59,6 +59,15 @@ character
.TP
.B %m
replace it with mapped user name (read VIRTUALS file)
+.TP
+.B %o
+replace it with the "original" user name. This is the user name with any
+.BR UserMapPrefix
+removed. Unless
+.BR DoMapping
+is enabled, and a
+.BR UserMapPrefix
+is supplied, this will be a blank string.
.PP
If specified path is not absolute it is treated as relative to user home
directory. For example:
diff --git a/man/spop3d.conf.5 b/man/spop3d.conf.5
index 76fd136..7dd016d 100644
--- a/man/spop3d.conf.5
+++ b/man/spop3d.conf.5
@@ -149,6 +149,16 @@ Option is disabled by default.
Specify path to user names mapping file (read VIRTUALS file).
There is no default value.
.TP
+.B UserMapPrefix string
+Specify a set of characters which should be prefixed to the username before
+it is looked up in the user mapping file.
+.br
+For example, given a username of "bar", and a \fBUserMapPrefix\fP of
+"foo-", there should be an entry in the user mapping file for "foo-bar".
+.br
+This option has no effect when DoMapping is disabled, and is a blank
+string by default.
+.TP
.B AllowNonIP boolean
If enabled user is allowed to specify virtual domain name in when logging.
Read VIRTUALS file for details. Option is enabled by default.
diff --git a/src/configfile.h b/src/configfile.h
index 39c01e7..f297977 100644
--- a/src/configfile.h
+++ b/src/configfile.h
@@ -68,6 +68,7 @@ extern int domapping;
extern int reqmapping;
extern int authmappeduser;
extern char sp_mapfile[];
+extern char sp_usermapprefix[];
extern char mapfileowner[];
#endif
#ifdef NONIPVIRTUALS
diff --git a/src/const.h b/src/const.h
index 9379fd4..75de5b0 100644
--- a/src/const.h
+++ b/src/const.h
@@ -26,6 +26,7 @@
#define MAXRESPLN 512
#define MAXCMDLN 255
#define MAXARGLN 40
+#define MAXPREFIX 16
#define AUTH_STATE 0
#define TRANSACTION_STATE 1
diff --git a/src/main.c b/src/main.c
index 9788030..8ec9867 100644
--- a/src/main.c
+++ b/src/main.c
@@ -177,6 +177,7 @@ struct str_option options_set[] =
{"DoMapping", OP_BOOLEAN, &domapping, 0, NULL},
{"AuthMappedUser", OP_BOOLEAN, &authmappeduser, 1, NULL},
{"RequiredMapping", OP_BOOLEAN, &reqmapping, 0, NULL},
+ {"UserMapPrefix", OP_STRING, &sp_usermapprefix, MAXPREFIX, NULL},
#endif
#ifdef NONIPVIRTUALS
{"AllowNonIP", OP_BOOLEAN, &allownonip, 0, NULL},
@@ -213,6 +214,9 @@ char maildrop_type[MAXMDTYPENAMELENGTH];
char sp_mapfile[PATH_MAX];
int domapping = 0, reqmapping = 1, authmappeduser = 1;
char mapusername[MAXARGLN + 1];
+char origusername[MAXARGLN + 1];
+char usernamebuf[MAXARGLN + 1];
+char sp_usermapprefix[MAXPREFIX];
#endif
#ifdef APOP
char apop_secret[MAXARGLN + 1];
@@ -312,6 +316,16 @@ int expand_dir(char *dir, char *homedir) {
strcat(filename, mapusername);
tmp = tmp2 + 2;
break;
+ case 'o':
+ *tmp2 = 0;
+ if ((strlen(filename) + strlen(tmp) + strlen(origusername) + 1) > sizeof(filename)) {
+ breakwhile = 1;
+ break;
+ };
+ strcat(filename, tmp);
+ strcat(filename, origusername);
+ tmp = tmp2 + 2;
+ break;
#endif
case 'd':
if ((tmp2[2] < '1') || (tmp2[2] > '8')) {
@@ -1047,9 +1061,11 @@ int main(int argc, char **argv)
signal(SIGUSR1, sig_handler);
signal(SIGUSR2, sig_handler);
memset(username, 0, sizeof(username));
- memset(password, 0, sizeof(username));
+ memset(password, 0, sizeof(password));
#ifdef MAPPING
memset(mapusername, 0, sizeof(mapusername));
+ memset(origusername, 0, sizeof(origusername));
+ memset(usernamebuf, 0, sizeof(usernamebuf));
#endif
alarm(0);
umask(0077);
@@ -1216,6 +1232,10 @@ int main(int argc, char **argv)
#ifdef MAPPING
mapusername[0] = 0;
if (domapping) {
+ if (sp_usermapprefix[0] != '\0') {
+ snprintf(usernamebuf, MAXARGLN, "%s%s", sp_usermapprefix, username);
+ strcpy(username,usernamebuf);
+ }
/* map_finduser() doesn't overflow mapusername - sizeof(mapusername) = MAXARGLN + 1 */
if (((tmp = map_finduser(sp_mapfile, username, mapusername)) < 0) && \
(reqmapping)) {
@@ -1348,8 +1368,14 @@ int main(int argc, char **argv)
wait(NULL);
check_logpriority(logpriority);
#ifdef MAPPING
- if (domapping)
+ if (domapping) {
+ strcpy(origusername,username);
+ if (sp_usermapprefix[0] != '\0') {
+ snprintf(usernamebuf, MAXARGLN, "%s%s", sp_usermapprefix, username);
+ strcpy(username,usernamebuf);
+ }
userentry = getpwnam(mapusername);
+ }
else
userentry = getpwnam(username);
#else
--
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