/*
* This file contains functions which handle the mapping of Internet addresses
* to users on the Citadel system.
+ *
+ * Copyright (c) 1987-2021 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
#include "sysdep.h"
#include <iconv.h>
#if 0
-/* This is the non-define version in case of s.b. needing to debug */
+/* This is the non-define version in case it is needed for debugging */
inline void FindNextEnd (char *bptr, char *end)
{
/* Find the next ?Q? */
char encoding[16];
char istr[1024];
iconv_t ic = (iconv_t)(-1) ;
- char *ibuf; /**< Buffer of characters to be converted */
- char *obuf; /**< Buffer for converted characters */
- size_t ibuflen; /**< Length of input buffer */
- size_t obuflen; /**< Length of output buffer */
- char *isav; /**< Saved pointer to input buffer */
- char *osav; /**< Saved pointer to output buffer */
+ char *ibuf; // Buffer of characters to be converted
+ char *obuf; // Buffer for converted characters
+ size_t ibuflen; // Length of input buffer
+ size_t obuflen; // Length of output buffer
+ char *isav; // Saved pointer to input buffer
+ char *osav; // Saved pointer to output buffer
int passes = 0;
int i, len, delta;
int illegal_non_rfc2047_encoding = 0;
/* Sometimes, badly formed messages contain strings which were simply
- * written out directly in some foreign character set instead of
- * using RFC2047 encoding. This is illegal but we will attempt to
- * handle it anyway by converting from a user-specified default
- * charset to UTF-8 if we see any nonprintable characters.
+ * written out directly in some foreign character set instead of
+ * using RFC2047 encoding. This is illegal but we will attempt to
+ * handle it anyway by converting from a user-specified default
+ * charset to UTF-8 if we see any nonprintable characters.
*/
len = strlen(buf);
for (i=0; i<len; ++i) {
if ((buf[i] < 32) || (buf[i] > 126)) {
illegal_non_rfc2047_encoding = 1;
- i = len; ///< take a shortcut, it won't be more than one.
+ i = len; // take a shortcut, it won't be more than one.
}
}
if (illegal_non_rfc2047_encoding) {
if (start != NULL)
FindNextEnd (start, end);
- while ((start != NULL) && (end != NULL))
- {
+ while ((start != NULL) && (end != NULL)) {
next = strstr(end, "=?");
if (next != NULL)
FindNextEnd(next, nextend);
next = NULL;
/* did we find two partitions */
- if ((next != NULL) &&
- ((next - end) > 2))
- {
+ if ((next != NULL) && ((next - end) > 2)) {
ptr = end + 2;
while ((ptr < next) &&
(isspace(*ptr) ||
end = nextend;
}
- /* Now we handle foreign character sets properly encoded
- * in RFC2047 format.
- */
+ // Now we handle foreign character sets properly encoded in RFC2047 format.
start = strstr(buf, "=?");
FindNextEnd((start != NULL)? start : buf, end);
- while (start != NULL && end != NULL && end > start)
- {
+ while (start != NULL && end != NULL && end > start) {
extract_token(charset, start, 1, '?', sizeof charset);
extract_token(encoding, start, 2, '?', sizeof encoding);
extract_token(istr, start, 3, '?', sizeof istr);
ibuf = malloc(1024);
isav = ibuf;
- if (!strcasecmp(encoding, "B")) { /**< base64 */
+ if (!strcasecmp(encoding, "B")) { // base64
ibuflen = CtdlDecodeBase64(ibuf, istr, strlen(istr));
}
- else if (!strcasecmp(encoding, "Q")) { /**< quoted-printable */
+ else if (!strcasecmp(encoding, "Q")) { // quoted-printable
size_t len;
unsigned long pos;
len = strlen(istr);
pos = 0;
- while (pos < len)
- {
+ while (pos < len) {
if (istr[pos] == '_') istr[pos] = ' ';
pos++;
}
-
ibuflen = CtdlDecodeQuotedPrintable(ibuf, istr, len);
}
else {
- strcpy(ibuf, istr); /**< unknown encoding */
+ strcpy(ibuf, istr); // unknown encoding
ibuflen = strlen(istr);
}
#endif
-
-struct trynamebuf {
- char buffer1[SIZ];
- char buffer2[SIZ];
-};
-
char *inetcfg = NULL;
-struct spamstrings_t *spamstrings = NULL;
-
/*
* Return nonzero if the supplied name is an alias for this host.
char host[256], type[256];
int found = 0;
- if (fqdn == NULL) return(hostalias_nomatch);
- if (IsEmptyStr(fqdn)) return(hostalias_nomatch);
- if (!strcasecmp(fqdn, "localhost")) return(hostalias_localhost);
- if (!strcasecmp(fqdn, config.c_fqdn)) return(hostalias_localhost);
- if (!strcasecmp(fqdn, config.c_nodename)) return(hostalias_localhost);
- if (inetcfg == NULL) return(hostalias_nomatch);
+ if (fqdn == NULL) return(hostalias_nomatch);
+ if (IsEmptyStr(fqdn)) return(hostalias_nomatch);
+ if (!strcasecmp(fqdn, "localhost")) return(hostalias_localhost);
+ if (!strcasecmp(fqdn, CtdlGetConfigStr("c_fqdn"))) return(hostalias_localhost);
+ if (!strcasecmp(fqdn, CtdlGetConfigStr("c_nodename"))) return(hostalias_localhost);
+ if (inetcfg == NULL) return(hostalias_nomatch);
config_lines = num_tokens(inetcfg, '\n');
for (i=0; i<config_lines; ++i) {
found = 0;
/* Process these in a specific order, in case there are multiple matches.
- * We want directory to override masq, for example.
+ * We want localhost to override masq, for example.
*/
if ( (!strcasecmp(type, "masqdomain")) && (!strcasecmp(fqdn, host))) {
found = hostalias_masq;
}
+
if ( (!strcasecmp(type, "localhost")) && (!strcasecmp(fqdn, host))) {
found = hostalias_localhost;
}
+
+ // "directory" used to be a distributed version of "localhost" but they're both the same now
if ( (!strcasecmp(type, "directory")) && (!strcasecmp(fqdn, host))) {
- found = hostalias_directory;
+ found = hostalias_localhost;
}
if (found) return(found);
}
-
return(hostalias_nomatch);
}
-
/*
* Determine whether a given Internet address belongs to the current user
*/
-int CtdlIsMe(char *addr, int addr_buf_len)
-{
- recptypes *recp;
+int CtdlIsMe(char *addr, int addr_buf_len) {
+ struct recptypes *recp;
int i;
recp = validate_recipients(addr, NULL, 0);
/* If the last item in a list of recipients was truncated to a partial address,
- * remove it completely in order to avoid choking libSieve
+ * remove it completely in order to avoid choking library functions.
*/
void sanitize_truncated_recipient(char *str)
{
}
-
-
-
/*
* This function is self explanatory.
* (What can I say, I'm in a weird mood today...)
*/
-void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name)
-{
- unsigned int i;
-
- for (i = 0; i < strlen(name); ++i) {
- if (name[i] == '@') {
- while (isspace(name[i - 1]) && i > 0) {
- strcpy(&name[i - 1], &name[i]);
- --i;
- }
- while (isspace(name[i + 1])) {
- strcpy(&name[i + 1], &name[i + 2]);
- }
+void remove_any_whitespace_to_the_left_or_right_of_at_symbol(char *name) {
+ char *ptr;
+ if (!name) return;
+
+ for (ptr=name; *ptr; ++ptr) {
+ while ( (isspace(*ptr)) && (*(ptr+1)=='@') ) {
+ strcpy(ptr, ptr+1);
+ if (ptr > name) --ptr;
+ }
+ while ( (*ptr=='@') && (*(ptr+1)!=0) && (isspace(*(ptr+1))) ) {
+ strcpy(ptr+1, ptr+2);
}
}
}
-/*
- * Aliasing for network mail.
- * (Error messages have been commented out, because this is a server.)
- */
-int alias(char *name)
-{ /* process alias and routing info for mail */
- struct CitContext *CCC = CC;
- FILE *fp;
- int a, i;
- char aaa[SIZ], bbb[SIZ];
- char *ignetcfg = NULL;
- char *ignetmap = NULL;
+// values that can be returned by expand_aliases()
+enum {
+ EA_ERROR, // Can't send message due to bad address
+ EA_MULTIPLE, // Alias expanded into multiple recipients -- run me again!
+ EA_LOCAL, // Local message, do no network processing
+ EA_INTERNET // Convert msg and send as Internet mail
+};
+
+
+// Process alias and routing info for email addresses
+int expand_aliases(char *name) {
+ int a;
+ char aaa[SIZ];
int at = 0;
char node[64];
- char testnode[64];
- char buf[SIZ];
+ char *t;
+
+ syslog(LOG_DEBUG, "internet_addressing: \x1b[34mexpand_aliases(%s)\x1b[0m", name);
+
+ char *aliases = CtdlGetSysConfig(GLOBAL_ALIASES); // First hit the Global Alias Table
+ if (aliases) {
+ char *aptr = aliases;
+ while ((t = strtok_r(aptr, "\n", &aptr))) {
+ char *bar = strchr(t, '|');
+ if (bar) {
+ bar[0] = 0;
+ ++bar;
+ if (!strcasecmp(name, t)) {
+ syslog(LOG_DEBUG, "internet_addressing: global alias <%s> to <%s>", name, bar);
+ strcpy(name, bar);
+ }
+ }
+ }
- char original_name[256];
+ free(aliases);
+ if (strchr(name, ',')) {
+ return(EA_MULTIPLE);
+ }
+ }
+
+ char original_name[256]; // Now go for the regular aliases
safestrncpy(original_name, name, sizeof original_name);
+ // should these checks still be here, or maybe move them to split_recps() ?
striplt(name);
remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
stripallbut(name, '<', '>');
- fp = fopen(file_mail_aliases, "r");
- if (fp == NULL) {
- fp = fopen("/dev/null", "r");
- }
- if (fp == NULL) {
- return (MES_ERROR);
- }
- strcpy(aaa, "");
- strcpy(bbb, "");
- while (fgets(aaa, sizeof aaa, fp) != NULL) {
- while (isspace(name[0]))
- strcpy(name, &name[1]);
- aaa[strlen(aaa) - 1] = 0;
- strcpy(bbb, "");
- for (a = 0; aaa[a] != '\0'; ++a) {
- if (aaa[a] == ',') {
- strcpy(bbb, &aaa[a + 1]);
- aaa[a] = 0;
- break;
- }
- }
- if (!strcasecmp(name, aaa))
- strcpy(name, bbb);
- }
- fclose(fp);
-
- /* Hit the Global Address Book */
+ /* Hit the email address directory */
if (CtdlDirectoryLookup(aaa, name, sizeof aaa) == 0) {
strcpy(name, aaa);
}
if (strcasecmp(original_name, name)) {
- MSG_syslog(LOG_INFO, "%s is being forwarded to %s\n", original_name, name);
+ syslog(LOG_INFO, "internet_addressing: directory alias <%s> to <%s>", original_name, name);
}
/* Change "user @ xxx" to "user" if xxx is an alias for this host */
if (name[a] == '@') {
if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
name[a] = 0;
- MSG_syslog(LOG_INFO, "Changed to <%s>\n", name);
+ syslog(LOG_DEBUG, "internet_addressing: host is local, recipient is <%s>", name);
break;
}
}
/* determine local or remote type, see citadel.h */
at = haschar(name, '@');
- if (at == 0) return(MES_LOCAL); /* no @'s - local address */
- if (at > 1) return(MES_ERROR); /* >1 @'s - invalid address */
+ if (at == 0) return(EA_LOCAL); /* no @'s - local address */
+ if (at > 1) return(EA_ERROR); /* >1 @'s - invalid address */
remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
/* figure out the delivery mode */
* is an FQDN and will attempt SMTP delivery to the Internet.
*/
if (haschar(node, '.') > 0) {
- return(MES_INTERNET);
+ return(EA_INTERNET);
}
- /* Otherwise we look in the IGnet maps for a valid Citadel node.
- * Try directly-connected nodes first...
- */
- ignetcfg = CtdlGetSysConfig(IGNETCFG);
- for (i=0; i<num_tokens(ignetcfg, '\n'); ++i) {
- extract_token(buf, ignetcfg, i, '\n', sizeof buf);
- extract_token(testnode, buf, 0, '|', sizeof testnode);
- if (!strcasecmp(node, testnode)) {
- free(ignetcfg);
- return(MES_IGNET);
+ /* If we get to this point it's an invalid node name */
+ return (EA_ERROR);
+}
+
+
+// Return a supplied list of email addresses as an array, removing superfluous information and syntax.
+Array *split_recps(char *addresses) {
+
+ // Copy the supplied address list into our own memory space, because we are going to mangle it.
+ char *a = malloc(strlen(addresses));
+ a[0] = 0;
+
+ // Strip out anything in double quotes
+ int toggle = 0;
+ int pos = 0;
+ char *t;
+ for (t=addresses; t[0]; ++t) {
+ if (t[0] == '\"') {
+ toggle = 1 - toggle;
+ }
+ else if (!toggle) {
+ a[pos++] = t[0];
+ a[pos] = 0;
}
}
- free(ignetcfg);
- /*
- * Then try nodes that are two or more hops away.
- */
- ignetmap = CtdlGetSysConfig(IGNETMAP);
- for (i=0; i<num_tokens(ignetmap, '\n'); ++i) {
- extract_token(buf, ignetmap, i, '\n', sizeof buf);
- extract_token(testnode, buf, 0, '|', sizeof testnode);
- if (!strcasecmp(node, testnode)) {
- free(ignetmap);
- return(MES_IGNET);
+ // Transform all qualifying delimiters to commas
+ for (t=a; t[0]; ++t) {
+ if ((t[0]==';') || (t[0]=='|')) {
+ t[0]=',';
}
}
- free(ignetmap);
- /* If we get to this point it's an invalid node name */
- return (MES_ERROR);
-}
+ // Tokenize the recipients into an array
+ Array *recipients_array = array_new(256); // no single recipient should be bigger than 256 bytes
+ char *r = a;
+ while ((t = strtok_r(r, ",", &r))) {
+ striplt(t); // strip leading and trailing whitespace
+ stripout(t, '(', ')'); // remove any portion in parentheses
+ stripallbut(t, '<', '>'); // if angle brackets are present, keep only what is inside them
+ array_append(recipients_array, t);
+ }
+ free(a); // We don't need this buffer anymore.
+ return(recipients_array); // Return the completed array to the caller.
+}
-/*
- * Validate recipients, count delivery types and errors, and handle aliasing
- * FIXME check for dupes!!!!!
- *
- * Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
- * were specified, or the number of addresses found invalid.
- *
- * Caller needs to free the result using free_recipients()
- */
-recptypes *validate_recipients(const char *supplied_recipients,
- const char *RemoteIdentifier,
- int Flags) {
- struct CitContext *CCC = CC;
- recptypes *ret;
+// Validate recipients, count delivery types and errors, and handle aliasing
+// FIXME check for dupes!!!!!
+//
+// Returns 0 if all addresses are ok, ret->num_error = -1 if no addresses
+// were specified, or the number of addresses found invalid.
+//
+// Caller needs to free the result using free_recipients()
+//
+struct recptypes *validate_recipients(char *supplied_recipients, const char *RemoteIdentifier, int Flags) {
+ struct recptypes *ret;
char *recipients = NULL;
- char *org_recp;
- char this_recp[256];
- char this_recp_cooked[256];
char append[SIZ];
long len;
- int num_recps = 0;
- int i, j;
int mailtype;
int invalid;
struct ctdluser tempUS;
- struct ctdlroom tempQR;
- struct ctdlroom tempQR2;
+ struct ctdlroom original_room;
int err = 0;
char errmsg[SIZ];
- int in_quotes = 0;
+ char *org_recp;
+ char this_recp[256];
- /* Initialize */
- ret = (recptypes *) malloc(sizeof(recptypes));
- if (ret == NULL) return(NULL);
+ syslog(LOG_DEBUG, "internet_addressing: \x1b[32mvalidate_recipients(%s) \x1b[0m", supplied_recipients);
- /* Set all strings to null and numeric values to zero */
- memset(ret, 0, sizeof(recptypes));
+ ret = (struct recptypes *) malloc(sizeof(struct recptypes)); // Initialize
+ if (ret == NULL) return(NULL);
+ memset(ret, 0, sizeof(struct recptypes)); // set all values to null/zero
if (supplied_recipients == NULL) {
recipients = strdup("");
recipients = strdup(supplied_recipients);
}
- /* Allocate some memory. Yes, this allocates 500% more memory than we will
- * actually need, but it's healthier for the heap than doing lots of tiny
- * realloc() calls instead.
- */
- len = strlen(recipients) + 1024;
+ len = strlen(recipients) + 1024; // allocate memory
ret->errormsg = malloc(len);
ret->recp_local = malloc(len);
ret->recp_internet = malloc(len);
- ret->recp_ignet = malloc(len);
ret->recp_room = malloc(len);
ret->display_recp = malloc(len);
ret->recp_orgroom = malloc(len);
- org_recp = malloc(len);
ret->errormsg[0] = 0;
ret->recp_local[0] = 0;
ret->recp_internet[0] = 0;
- ret->recp_ignet[0] = 0;
ret->recp_room[0] = 0;
ret->recp_orgroom[0] = 0;
ret->display_recp[0] = 0;
-
ret->recptypes_magic = RECPTYPES_MAGIC;
- /* Change all valid separator characters to commas */
- for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
- if ((recipients[i] == ';') || (recipients[i] == '|')) {
- recipients[i] = ',';
- }
- }
-
- /* Now start extracting recipients... */
-
- while (!IsEmptyStr(recipients)) {
- for (i=0; i<=strlen(recipients); ++i) {
- if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
- if ( ( (recipients[i] == ',') && (!in_quotes) ) || (recipients[i] == 0) ) {
- safestrncpy(this_recp, recipients, i+1);
- this_recp[i] = 0;
- if (recipients[i] == ',') {
- strcpy(recipients, &recipients[i+1]);
- }
- else {
- strcpy(recipients, "");
+ Array *recp_array = split_recps(supplied_recipients);
+ int original_array_len = array_len(recp_array);
+ for (int r=0; r<array_len(recp_array); ++r) {
+ org_recp = (char *)array_get_element_at(recp_array, r);
+ strncpy(this_recp, org_recp, sizeof this_recp);
+
+ mailtype = expand_aliases(this_recp);
+
+ // If an alias expanded to multiple recipients, strip off those recipients and append them
+ // to the end of the array. This loop will hit those again when it gets there.
+ // Note that we don't do this after we get past the *original* array length, to avoid aliasing loops.
+ if (mailtype == EA_MULTIPLE) {
+ if (r < original_array_len) {
+ char *comma;
+ while ((comma = strrchr(this_recp, ','))) {
+ comma[0] = 0;
+ array_append(recp_array, &comma[1]);
+ strcpy(org_recp, this_recp);
}
- break;
- }
- }
-
- striplt(this_recp);
- if (IsEmptyStr(this_recp))
- break;
- MSG_syslog(LOG_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
- ++num_recps;
-
- strcpy(org_recp, this_recp);
- alias(this_recp);
- alias(this_recp);
- mailtype = alias(this_recp);
-
- for (j = 0; !IsEmptyStr(&this_recp[j]); ++j) {
- if (this_recp[j]=='_') {
- this_recp_cooked[j] = ' ';
}
else {
- this_recp_cooked[j] = this_recp[j];
+ mailtype = EA_ERROR;
}
}
- this_recp_cooked[j] = '\0';
+
+ mailtype = expand_aliases(this_recp); // do it ONCE again to handle alias expansions
+ if (mailtype == EA_MULTIPLE) {
+ mailtype = EA_ERROR; // and fail if it wants to expand a second time
+ }
+
invalid = 0;
errmsg[0] = 0;
switch(mailtype) {
- case MES_LOCAL:
+ case EA_LOCAL: // There are several types of "local" recipients.
+
+ // Old BBS conventions require mail to "sysop" to go somewhere. Send it to the admin room.
if (!strcasecmp(this_recp, "sysop")) {
++ret->num_room;
- strcpy(this_recp, config.c_aideroom);
+ strcpy(this_recp, CtdlGetConfigStr("c_aideroom"));
if (!IsEmptyStr(ret->recp_room)) {
strcat(ret->recp_room, "|");
}
strcat(ret->recp_room, this_recp);
}
- else if ( (!strncasecmp(this_recp, "room_", 5))
- && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
- /* Save room so we can restore it later */
- tempQR2 = CCC->room;
- CCC->room = tempQR;
-
- /* Check permissions to send mail to this room */
- err = CtdlDoIHavePermissionToPostInThisRoom(
- errmsg,
- sizeof errmsg,
- RemoteIdentifier,
- Flags,
- 0 /* 0 = not a reply */
+ // This handles rooms which can receive posts via email.
+ else if (!strncasecmp(this_recp, "room_", 5)) {
+ original_room = CC->room; // Remember where we parked
+
+ char mail_to_room[ROOMNAMELEN];
+ char *m;
+ strncpy(mail_to_room, &this_recp[5], sizeof mail_to_room);
+ for (m = mail_to_room; *m; ++m) {
+ if (m[0] == '_') m[0]=' ';
+ }
+ if (!CtdlGetRoom(&CC->room, mail_to_room)) { // Find the room they asked for
+
+ err = CtdlDoIHavePermissionToPostInThisRoom( // check for write permissions to room
+ errmsg,
+ sizeof errmsg,
+ RemoteIdentifier,
+ Flags,
+ 0 // 0 means "this is not a reply"
);
- if (err)
- {
+ if (err) {
+ ++ret->num_error;
+ invalid = 1;
+ }
+ else {
+ ++ret->num_room;
+ if (!IsEmptyStr(ret->recp_room)) {
+ strcat(ret->recp_room, "|");
+ }
+ strcat(ret->recp_room, &this_recp[5]);
+
+ if (!IsEmptyStr(ret->recp_orgroom)) {
+ strcat(ret->recp_orgroom, "|");
+ }
+ strcat(ret->recp_orgroom, org_recp);
+
+ }
+ }
+ else { // no such room exists
++ret->num_error;
invalid = 1;
- }
- else {
- ++ret->num_room;
- if (!IsEmptyStr(ret->recp_room)) {
- strcat(ret->recp_room, "|");
- }
- strcat(ret->recp_room, &this_recp_cooked[5]);
-
- if (!IsEmptyStr(ret->recp_orgroom)) {
- strcat(ret->recp_orgroom, "|");
- }
- strcat(ret->recp_orgroom, org_recp);
-
}
-
- /* Restore room in case something needs it */
- CCC->room = tempQR2;
+
+ // Restore this session's original room location.
+ CC->room = original_room;
}
+
+ // This handles the most common case, which is mail to a user's inbox.
else if (CtdlGetUser(&tempUS, this_recp) == 0) {
++ret->num_local;
strcpy(this_recp, tempUS.fullname);
}
strcat(ret->recp_local, this_recp);
}
- else if (CtdlGetUser(&tempUS, this_recp_cooked) == 0) {
- ++ret->num_local;
- strcpy(this_recp, tempUS.fullname);
- if (!IsEmptyStr(ret->recp_local)) {
- strcat(ret->recp_local, "|");
- }
- strcat(ret->recp_local, this_recp);
- }
+
+ // No match for this recipient
else {
++ret->num_error;
invalid = 1;
}
break;
- case MES_INTERNET:
- /* Yes, you're reading this correctly: if the target
- * domain points back to the local system or an attached
- * Citadel directory, the address is invalid. That's
- * because if the address were valid, we would have
- * already translated it to a local address by now.
- */
+ case EA_INTERNET:
+ // Yes, you're reading this correctly: if the target domain points back to the local system,
+ // the address is invalid. That's because if the address were valid, we would have
+ // already translated it to a local address by now.
if (IsDirectory(this_recp, 0)) {
++ret->num_error;
invalid = 1;
strcat(ret->recp_internet, this_recp);
}
break;
- case MES_IGNET:
- ++ret->num_ignet;
- if (!IsEmptyStr(ret->recp_ignet)) {
- strcat(ret->recp_ignet, "|");
- }
- strcat(ret->recp_ignet, this_recp);
- break;
- case MES_ERROR:
+ case EA_ERROR:
++ret->num_error;
invalid = 1;
break;
}
}
}
- free(org_recp);
- if ((ret->num_local + ret->num_internet + ret->num_ignet +
- ret->num_room + ret->num_error) == 0) {
+ if ( (ret->num_local + ret->num_internet + ret->num_room + ret->num_error) == 0) {
ret->num_error = (-1);
strcpy(ret->errormsg, "No recipients specified.");
}
- MSGM_syslog(LOG_DEBUG, "validate_recipients()\n");
- MSG_syslog(LOG_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
- MSG_syslog(LOG_DEBUG, " room: %d <%s>\n", ret->num_room, ret->recp_room);
- MSG_syslog(LOG_DEBUG, " inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
- MSG_syslog(LOG_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
- MSG_syslog(LOG_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
+ syslog(LOG_DEBUG, "internet_addressing: validate_recipients() = %d local, %d room, %d SMTP, %d error",
+ ret->num_local, ret->num_room, ret->num_internet, ret->num_error
+ );
free(recipients);
+ array_free(recp_array);
+
return(ret);
}
/*
* Destructor for recptypes
*/
-void free_recipients(recptypes *valid) {
+void free_recipients(struct recptypes *valid) {
if (valid == NULL) {
return;
}
if (valid->recptypes_magic != RECPTYPES_MAGIC) {
- struct CitContext *CCC = CC;
- MSGM_syslog(LOG_EMERG, "Attempt to call free_recipients() on some other data type!\n");
+ syslog(LOG_ERR, "internet_addressing: attempt to call free_recipients() on some other data type!");
abort();
}
if (valid->errormsg != NULL) free(valid->errormsg);
if (valid->recp_local != NULL) free(valid->recp_local);
if (valid->recp_internet != NULL) free(valid->recp_internet);
- if (valid->recp_ignet != NULL) free(valid->recp_ignet);
if (valid->recp_room != NULL) free(valid->recp_room);
if (valid->recp_orgroom != NULL) free(valid->recp_orgroom);
if (valid->display_recp != NULL) free(valid->display_recp);
}
-char *qp_encode_email_addrs(char *source)
-{
- struct CitContext *CCC = CC;
+char *qp_encode_email_addrs(char *source) {
char *user, *node, *name;
const char headerStr[] = "=?UTF-8?Q?";
char *Encoded;
if (source == NULL) return source;
if (IsEmptyStr(source)) return source;
- if (MessageDebugEnabled != 0) cit_backtrace();
- MSG_syslog(LOG_DEBUG, "qp_encode_email_addrs: [%s]\n", source);
+ syslog(LOG_DEBUG, "internet_addressing: qp_encode_email_addrs <%s>", source);
AddrPtr = malloc (sizeof (long) * nAddrPtrMax);
AddrUtf8 = malloc (sizeof (long) * nAddrPtrMax);
free (AddrPtr), AddrPtr = ptr;
ptr = (long *) malloc(sizeof (long) * nAddrPtrMax * 2);
- memset(&ptr[nAddrPtrMax], 0,
- sizeof (long) * nAddrPtrMax);
+ memset(&ptr[nAddrPtrMax], 0, sizeof (long) * nAddrPtrMax);
memcpy (ptr, AddrUtf8, sizeof (long) * nAddrPtrMax);
free (AddrUtf8), AddrUtf8 = ptr;
nAddrPtrMax *= 2;
}
- if (((unsigned char) source[i] < 32) ||
- ((unsigned char) source[i] > 126)) {
+ if (((unsigned char) source[i] < 32) || ((unsigned char) source[i] > 126)) {
need_to_encode = 1;
AddrUtf8[nColons] = 1;
}
- if (source[i] == '"')
+ if (source[i] == '"') {
InQuotes = !InQuotes;
+ }
if (!InQuotes && source[i] == ',') {
AddrPtr[nColons] = i;
nColons++;
EncodedMaxLen = nColons * (sizeof(headerStr) + 3) + SourceLen * 3;
Encoded = (char*) malloc (EncodedMaxLen);
- for (i = 0; i < nColons; i++)
+ for (i = 0; i < nColons; i++) {
source[AddrPtr[i]++] = '\0';
+ }
/* TODO: if libidn, this might get larger*/
user = malloc(SourceLen + 1);
node = malloc(SourceLen + 1);
for (i = 0; i < nColons && nPtr != NULL; i++) {
nmax = EncodedMaxLen - (nPtr - Encoded);
if (AddrUtf8[i]) {
- process_rfc822_addr(&source[AddrPtr[i]],
- user,
- node,
- name);
+ process_rfc822_addr(&source[AddrPtr[i]], user, node, name);
/* TODO: libIDN here ! */
if (IsEmptyStr(name)) {
- n = snprintf(nPtr, nmax,
- (i==0)?"%s@%s" : ",%s@%s",
- user, node);
+ n = snprintf(nPtr, nmax, (i==0)?"%s@%s" : ",%s@%s", user, node);
}
else {
EncodedName = rfc2047encode(name, strlen(name));
- n = snprintf(nPtr, nmax,
- (i==0)?"%s <%s@%s>" : ",%s <%s@%s>",
- EncodedName, user, node);
+ n = snprintf(nPtr, nmax, (i==0)?"%s <%s@%s>" : ",%s <%s@%s>", EncodedName, user, node);
free(EncodedName);
}
}
else {
- n = snprintf(nPtr, nmax,
- (i==0)?"%s" : ",%s",
- &source[AddrPtr[i]]);
+ n = snprintf(nPtr, nmax, (i==0)?"%s" : ",%s", &source[AddrPtr[i]]);
}
if (n > 0 )
nPtr += n;
}
-/*
- * Return 0 if a given string fuzzy-matches a Citadel user account
- *
- * FIXME ... this needs to be updated to handle aliases.
- */
-int fuzzy_match(struct ctdluser *us, char *matchstring) {
- int a;
- long len;
-
- if ( (!strncasecmp(matchstring, "cit", 3))
- && (atol(&matchstring[3]) == us->usernum)) {
- return 0;
- }
-
- len = strlen(matchstring);
- for (a=0; !IsEmptyStr(&us->fullname[a]); ++a) {
- if (!strncasecmp(&us->fullname[a],
- matchstring, len)) {
- return 0;
- }
- }
- return -1;
-}
-
-
/*
* Unfold a multi-line field into a single line, removing multi-whitespaces
*/
{
if ((*sField=='\r') || (*sField=='\n'))
{
- int Offset = 1;
- while (((*(sField + Offset) == '\r') ||
- (*(sField + Offset) == '\n') ||
- (isspace(*(sField + Offset)))) &&
- (sField + Offset < pFieldEnd))
- Offset ++;
- sField += Offset;
+ int offset = 1;
+ while ( ( (*(sField + offset) == '\r') || (*(sField + offset) == '\n' )) && (sField + offset < pFieldEnd) ) {
+ offset ++;
+ }
+ sField += offset;
*pField = *sField;
}
else {
if (*sField=='\"') quote = 1 - quote;
if (!quote) {
- if (isspace(*sField))
- {
+ if (isspace(*sField)) {
*pField = ' ';
pField++;
sField++;
}
-
/*
* Split an RFC822-style address into userid, host, and full name
*
*/
-void process_rfc822_addr(const char *rfc822, char *user, char *node, char *name)
-{
+void process_rfc822_addr(const char *rfc822, char *user, char *node, char *name) {
int a;
strcpy(user, "");
- strcpy(node, config.c_fqdn);
+ strcpy(node, CtdlGetConfigStr("c_fqdn"));
strcpy(name, "");
if (rfc822 == NULL) return;
&& (haschar(node, '%')==0)
&& (haschar(node, '!')==0)
) {
- strcpy(node, config.c_nodename);
+ strcpy(node, CtdlGetConfigStr("c_nodename"));
}
-
else {
/* strip anything to the left of a @ */
}
-
/*
* convert_field() is a helper function for convert_internet_message().
* Given start/end positions for an rfc822 field, it converts it to a Citadel
else if (!strcasecmp(key, "From")) {
process_rfc822_addr(value, user, node, name);
- syslog(LOG_DEBUG, "Converted to <%s@%s> (%s)\n", user, node, name);
+ syslog(LOG_DEBUG, "internet_addressing: converted to <%s@%s> (%s)", user, node, name);
snprintf(addr, sizeof(addr), "%s@%s", user, node);
- if (CM_IsEmpty(msg, eAuthor))
- CM_SetField(msg, eAuthor, name, strlen(name));
- if (CM_IsEmpty(msg, erFc822Addr))
- CM_SetField(msg, erFc822Addr, addr, strlen(addr));
+ if (CM_IsEmpty(msg, eAuthor) && !IsEmptyStr(name)) {
+ CM_SetField(msg, eAuthor, name, -1);
+ }
+ if (CM_IsEmpty(msg, erFc822Addr) && !IsEmptyStr(addr)) {
+ CM_SetField(msg, erFc822Addr, addr, -1);
+ }
processed = 1;
}
else if (!strcasecmp(key, "Message-ID")) {
if (!CM_IsEmpty(msg, emessageId)) {
- syslog(LOG_WARNING, "duplicate message id\n");
+ syslog(LOG_WARNING, "internet_addressing: duplicate message id");
}
else {
char *pValue;
}
-
struct CtdlMessage *convert_internet_message_buf(StrBuf **rfc822)
{
struct CtdlMessage *msg;
}
-
/*
* Look for a particular header field in an RFC822 message text. If the
* requested field is found, it is unfolded (if necessary) and returned to
}
-
/*****************************************************************************
* DIRECTORY MANAGEMENT FUNCTIONS *
*****************************************************************************/
}
key[keylen++] = 0;
- syslog(LOG_DEBUG, "Directory key is <%s>\n", key);
+ syslog(LOG_DEBUG, "internet_addressing: directory key is <%s>", key);
}
-
-/* Return nonzero if the supplied address is in a domain we keep in
- * the directory
+/*
+ * Return nonzero if the supplied address is in one of "our" domains
*/
int IsDirectory(char *addr, int allow_masq_domains) {
char domain[256];
if ( (h == hostalias_masq) && allow_masq_domains)
return(1);
- if ( (h == hostalias_localhost) || (h == hostalias_directory) ) {
+ if (h == hostalias_localhost) {
return(1);
}
else {
}
-/*
- * Initialize the directory database (erasing anything already there)
- */
-void CtdlDirectoryInit(void) {
- cdb_trunc(CDB_DIRECTORY);
-}
-
-
/*
* Add an Internet e-mail address to the directory for a user
*/
int CtdlDirectoryAddUser(char *internet_addr, char *citadel_addr) {
char key[SIZ];
- if (IsDirectory(internet_addr, 0) == 0)
+ if (IsDirectory(internet_addr, 0) == 0) {
return 0;
- syslog(LOG_DEBUG, "Create directory entry: %s --> %s\n", internet_addr, citadel_addr);
+ }
+ syslog(LOG_DEBUG, "internet_addressing: create directory entry: %s --> %s", internet_addr, citadel_addr);
directory_key(key, internet_addr);
cdb_store(CDB_DIRECTORY, key, strlen(key), citadel_addr, strlen(citadel_addr)+1 );
return 1;
*/
int CtdlDirectoryDelUser(char *internet_addr, char *citadel_addr) {
char key[SIZ];
-
- syslog(LOG_DEBUG, "Delete directory entry: %s --> %s\n", internet_addr, citadel_addr);
+
+ syslog(LOG_DEBUG, "internet_addressing: delete directory entry: %s --> %s", internet_addr, citadel_addr);
directory_key(key, internet_addr);
return cdb_delete(CDB_DIRECTORY, key, strlen(key) ) == 0;
}
char key[SIZ];
/* Dump it in there unchanged, just for kicks */
- safestrncpy(target, internet_addr, targbuflen);
+ if (target != NULL) {
+ safestrncpy(target, internet_addr, targbuflen);
+ }
/* Only do lookups for addresses with hostnames in them */
if (num_tokens(internet_addr, '@') != 2) return(-1);
directory_key(key, internet_addr);
cdbrec = cdb_fetch(CDB_DIRECTORY, key, strlen(key) );
if (cdbrec != NULL) {
- safestrncpy(target, cdbrec->ptr, targbuflen);
+ if (target != NULL) {
+ safestrncpy(target, cdbrec->ptr, targbuflen);
+ }
cdb_free(cdbrec);
return(0);
}
utf8ify_rfc822_string(addr);
process_rfc822_addr(addr, user, node, name);
h = CtdlHostAlias(node);
- if ( (h != hostalias_localhost) && (h != hostalias_directory) ) {
+ if (h != hostalias_localhost) {
coll = realloc(coll, strlen(coll) + strlen(addr) + 4);
if (coll == NULL) return(NULL);
if (!IsEmptyStr(coll)) {
}
return(coll);
}
+
+
+/*
+ * Helper function for CtdlRebuildDirectoryIndex()
+ */
+void CtdlRebuildDirectoryIndex_backend(char *username, void *data) {
+
+ int j = 0;
+ struct ctdluser usbuf;
+
+ if (CtdlGetUser(&usbuf, username) != 0) {
+ return;
+ }
+
+ if ( (!IsEmptyStr(usbuf.fullname)) && (!IsEmptyStr(usbuf.emailaddrs)) ) {
+ for (j=0; j<num_tokens(usbuf.emailaddrs, '|'); ++j) {
+ char one_email[512];
+ extract_token(one_email, usbuf.emailaddrs, j, '|', sizeof one_email);
+ CtdlDirectoryAddUser(one_email, usbuf.fullname);
+ }
+ }
+}
+
+
+/*
+ * Initialize the directory database (erasing anything already there)
+ */
+void CtdlRebuildDirectoryIndex(void) {
+ syslog(LOG_INFO, "internet_addressing: rebuilding email address directory index");
+ cdb_trunc(CDB_DIRECTORY);
+ ForEachUser(CtdlRebuildDirectoryIndex_backend, NULL);
+}
+
+
+/*
+ * Configure Internet email addresses for a user account, updating the Directory Index in the process
+ */
+void CtdlSetEmailAddressesForUser(char *requested_user, char *new_emailaddrs)
+{
+ struct ctdluser usbuf;
+ int i;
+ char buf[SIZ];
+
+ if (CtdlGetUserLock(&usbuf, requested_user) != 0) { // We are relying on the fact that the DirectoryIndex functions don't lock.
+ return; // Silently fail here if we can't acquire a lock on the user record.
+ }
+
+ syslog(LOG_DEBUG, "internet_addressing: setting email addresses for <%s> to <%s>", usbuf.fullname, new_emailaddrs);
+
+ /* Delete all of the existing directory index records for the user (easier this way) */
+ for (i=0; i<num_tokens(usbuf.emailaddrs, '|'); ++i) {
+ extract_token(buf, usbuf.emailaddrs, i, '|', sizeof buf);
+ CtdlDirectoryDelUser(buf, requested_user);
+ }
+
+ strcpy(usbuf.emailaddrs, new_emailaddrs); // make it official.
+
+ /* Index all of the new email addresses (they've already been sanitized) */
+ for (i=0; i<num_tokens(usbuf.emailaddrs, '|'); ++i) {
+ extract_token(buf, usbuf.emailaddrs, i, '|', sizeof buf);
+ CtdlDirectoryAddUser(buf, requested_user);
+ }
+
+ CtdlPutUserLock(&usbuf);
+}
+
+
+/*
+ * Auto-generate an Internet email address for a user account
+ */
+void AutoGenerateEmailAddressForUser(struct ctdluser *user)
+{
+ char synthetic_email_addr[1024];
+ int i, j;
+ int u = 0;
+
+ for (i=0; u==0; ++i) {
+ if (i == 0) {
+ // first try just converting the user name to lowercase and replacing spaces with underscores
+ snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "%s@%s", user->fullname, CtdlGetConfigStr("c_fqdn"));
+ for (j=0; ((synthetic_email_addr[j] != '\0')&&(synthetic_email_addr[j] != '@')); j++) {
+ synthetic_email_addr[j] = tolower(synthetic_email_addr[j]);
+ if (!isalnum(synthetic_email_addr[j])) {
+ synthetic_email_addr[j] = '_';
+ }
+ }
+ }
+ else if (i == 1) {
+ // then try 'ctdl' followed by the user number
+ snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "ctdl%08lx@%s", user->usernum, CtdlGetConfigStr("c_fqdn"));
+ }
+ else if (i > 1) {
+ // oof. just keep trying other numbers until we find one
+ snprintf(synthetic_email_addr, sizeof synthetic_email_addr, "ctdl%08x@%s", i, CtdlGetConfigStr("c_fqdn"));
+ }
+ u = CtdlDirectoryLookup(NULL, synthetic_email_addr, 0);
+ syslog(LOG_DEBUG, "user_ops: address <%s> lookup returned <%d>", synthetic_email_addr, u);
+ }
+
+ CtdlSetEmailAddressesForUser(user->fullname, synthetic_email_addr);
+ strncpy(CC->user.emailaddrs, synthetic_email_addr, sizeof(user->emailaddrs));
+ syslog(LOG_DEBUG, "user_ops: auto-generated email address <%s> for <%s>", synthetic_email_addr, user->fullname);
+}
projects / citadel.git / blobdiff