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) {
#endif
-struct trynamebuf {
- char buffer1[SIZ];
- char buffer2[SIZ];
-};
-
char *inetcfg = NULL;
/*
* (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;
+ char *ptr;
+ if (!name) return;
- 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]);
- }
+ 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);
}
}
}
+// 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
+};
+
+
/*
* Aliasing for network mail.
*/
-int alias(char *name) { /* process alias and routing info for mail */
+int expand_aliases(char *name) { /* process alias and routing info for mail */
int a;
char aaa[SIZ];
int at = 0;
char node[64];
+
+
+
+ // temporary test of expansion
+ if (!strcasecmp(name, "root")) {
+ strcpy(name, "foo,bar,root,baz");
+ return(EA_MULTIPLE);
+ }
+
+
+
+
+
char original_name[256];
safestrncpy(original_name, name, sizeof original_name);
/* 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);
}
/* If we get to this point it's an invalid node name */
- return (MES_ERROR);
+ return (EA_ERROR);
}
-/*
- * 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(const char *supplied_recipients, const char *RemoteIdentifier, int Flags) {
- struct CitContext *CCC = CC;
+// 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;
+ }
+ }
+
+ // Transform all qualifying delimiters to commas
+ for (t=a; t[0]; ++t) {
+ if ((t[0]==';') || (t[0]=='|')) {
+ t[0]=',';
+ }
+ }
+
+ // 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()
+//
+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 tempQR2;
int err = 0;
char errmsg[SIZ];
- int in_quotes = 0;
+ char *org_recp;
+ char this_recp[256];
- /* Initialize */
- ret = (struct recptypes *) malloc(sizeof(struct recptypes));
+ ret = (struct recptypes *) malloc(sizeof(struct recptypes)); // Initialize
if (ret == NULL) return(NULL);
- /* Set all strings to null and numeric values to zero */
- memset(ret, 0, sizeof(struct recptypes));
+ 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_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->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... */
+ Array *recp_array = split_recps(supplied_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, "");
+
+
+ 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);
+
+
+
+ // To prevent endless aliasing loops, we will only do this five times.
+ for (int alias_loop=0; alias_loop<5; ++alias_loop) {
+ mailtype = expand_aliases(this_recp);
+ if (mailtype == EA_MULTIPLE) {
+ // 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.
+ 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;
- syslog(LOG_DEBUG, "internet_addressing: evaluating recipient #%d: %s", num_recps, this_recp);
- ++num_recps;
- strcpy(org_recp, this_recp);
- alias(this_recp);
- alias(this_recp);
- mailtype = alias(this_recp);
+ syslog(LOG_DEBUG, "this_recp: \033[31m%s\033[0m org_recp: \033[32m%s\033[0m", this_recp, org_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];
- }
- }
- this_recp_cooked[j] = '\0';
invalid = 0;
errmsg[0] = 0;
switch(mailtype) {
- case MES_LOCAL:
+ case EA_LOCAL:
if (!strcasecmp(this_recp, "sysop")) {
++ret->num_room;
strcpy(this_recp, CtdlGetConfigStr("c_aideroom"));
}
strcat(ret->recp_room, this_recp);
}
- else if ( (!strncasecmp(this_recp, "room_", 5)) && (!CtdlGetRoom(&tempQR, &this_recp_cooked[5])) ) {
+ else if ( (!strncasecmp(this_recp, "room_", 5)) && (!CtdlGetRoom(&tempQR, &this_recp[5])) ) {
+
+
+ // FIXME -- handle the underscores
+
- /* Save room so we can restore it later */
- tempQR2 = CCC->room;
- CCC->room = tempQR;
+ // Save room so we can restore it later
+ tempQR2 = CC->room;
+ CC->room = tempQR;
- /* Check permissions to send mail to this room */
- err = CtdlDoIHavePermissionToPostInThisRoom(
+ err = CtdlDoIHavePermissionToPostInThisRoom( // check for write permissions to room
errmsg,
sizeof errmsg,
RemoteIdentifier,
Flags,
- 0 /* 0 = not a reply */
- );
+ 0 // 0 means "not a reply"
+ );
if (err) {
++ret->num_error;
invalid = 1;
if (!IsEmptyStr(ret->recp_room)) {
strcat(ret->recp_room, "|");
}
- strcat(ret->recp_room, &this_recp_cooked[5]);
+ strcat(ret->recp_room, &this_recp[5]);
if (!IsEmptyStr(ret->recp_orgroom)) {
strcat(ret->recp_orgroom, "|");
}
/* Restore room in case something needs it */
- CCC->room = tempQR2;
+ CC->room = tempQR2;
}
else if (CtdlGetUser(&tempUS, this_recp) == 0) {
}
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);
- }
else {
++ret->num_error;
invalid = 1;
}
break;
- case MES_INTERNET:
+ 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
strcat(ret->recp_internet, 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_room + ret->num_error) == 0) {
ret->num_error = (-1);
);
free(recipients);
+ array_free(recp_array);
+
return(ret);
}
projects / citadel.git / blobdiff