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-rw-r--r--src/qmail-inject.c793
1 files changed, 793 insertions, 0 deletions
diff --git a/src/qmail-inject.c b/src/qmail-inject.c
new file mode 100644
index 0000000..0071316
--- /dev/null
+++ b/src/qmail-inject.c
@@ -0,0 +1,793 @@
+#include <unistd.h>
+#include "sig.h"
+#include "buffer.h"
+#include "genalloc.h"
+#include "stralloc.h"
+#include "getoptb.h"
+#include "getln.h"
+#include "alloc.h"
+#include "str.h"
+#include "fmt.h"
+#include "hfield.h"
+#include "token822.h"
+#include "control.h"
+#include "env.h"
+#include "qmail.h"
+#include "now.h"
+#include "exit.h"
+#include "error.h"
+#include "quote.h"
+#include "headerbody.h"
+#include "auto_qmail.h"
+#include "newfield.h"
+#include "constmap.h"
+
+#define LINELEN 80
+
+datetime_sec starttime;
+
+char *qmopts;
+int flagdeletesender = 0;
+int flagdeletefrom = 0;
+int flagdeletemessid = 0;
+int flagnamecomment = 0;
+int flaghackmess = 0;
+int flaghackrecip = 0;
+char *mailhost;
+char *mailuser;
+int mailusertokentype;
+char *mailrhost;
+char *mailruser;
+
+stralloc control_idhost = {0};
+stralloc control_defaultdomain = {0};
+stralloc control_defaulthost = {0};
+stralloc control_plusdomain = {0};
+
+stralloc sender = {0};
+stralloc envsbuf = {0};
+token822_alloc envs = {0};
+int flagrh;
+
+int flagqueue;
+struct qmail qqt;
+
+void out(char *s,int len)
+{
+ if (flagqueue) qmail_put(&qqt,s,len);
+ else buffer_putflush(buffer_1,s,len);
+}
+
+void outs(char *s) { out(s,str_len(s)); }
+
+void perm() { _exit(100); }
+void temp() { _exit(111); }
+
+void die_nomem()
+{
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: out of memory\n");
+ temp();
+}
+void die_invalid(stralloc *sa)
+{
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: invalid header field: ");
+ buffer_putflush(buffer_2,sa->s,sa->len);
+ perm();
+}
+void die_qqt()
+{
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: unable to run qmail-queue\n");
+ temp();
+}
+void die_chdir()
+{
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: internal bug\n");
+ temp();
+}
+void die_read()
+{
+ if (errno == ENOMEM) die_nomem();
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: read error\n");
+ temp();
+}
+void doordie(stralloc *sa,int r)
+{
+ if (r == 1) return;
+ if (r == -1) die_nomem();
+ buffer_putsflush(buffer_2,"qmail-inject: fatal: unable to parse this line:\n");
+ buffer_putflush(buffer_2,sa->s,sa->len);
+ perm();
+}
+
+GEN_ALLOC_typedef(saa,stralloc,sa,len,a)
+GEN_ALLOC_readyplus(saa,stralloc,sa,len,a,i,n,x,10,saa_readyplus)
+
+static stralloc sauninit = {0};
+
+saa savedh = {0};
+saa hrlist = {0};
+saa tocclist = {0};
+saa hrrlist = {0};
+saa reciplist = {0};
+int flagresent;
+
+void exitnicely()
+{
+ char *qqx;
+
+ if (!flagqueue) buffer_flush(buffer_1);
+
+ if (flagqueue) {
+ int i;
+
+ if (!stralloc_0(&sender)) die_nomem();
+ qmail_from(&qqt,sender.s);
+
+ for (i = 0; i < reciplist.len; ++i) {
+ if (!stralloc_0(&reciplist.sa[i])) die_nomem();
+ qmail_to(&qqt,reciplist.sa[i].s);
+ }
+ if (flagrh) {
+ if (flagresent) {
+ for (i = 0; i < hrrlist.len; ++i) {
+ if (!stralloc_0(&hrrlist.sa[i])) die_nomem();
+ qmail_to(&qqt,hrrlist.sa[i].s);
+ }
+ } else {
+ for (i = 0; i < hrlist.len; ++i) {
+ if (!stralloc_0(&hrlist.sa[i])) die_nomem();
+ qmail_to(&qqt,hrlist.sa[i].s);
+ }
+ }
+ }
+
+ qqx = qmail_close(&qqt);
+ if (*qqx) {
+ if (*qqx == 'D') {
+ buffer_puts(buffer_2,"qmail-inject: fatal: ");
+ buffer_puts(buffer_2,qqx + 1);
+ buffer_puts(buffer_2,"\n");
+ buffer_flush(buffer_2);
+ perm();
+ } else {
+ buffer_puts(buffer_2,"qmail-inject: fatal: ");
+ buffer_puts(buffer_2,qqx + 1);
+ buffer_puts(buffer_2,"\n");
+ buffer_flush(buffer_2);
+ temp();
+ }
+ }
+ }
+
+ _exit(0);
+}
+
+void savedh_append(stralloc *h)
+{
+ if (!saa_readyplus(&savedh,1)) die_nomem();
+ savedh.sa[savedh.len] = sauninit;
+ if (!stralloc_copy(savedh.sa + savedh.len,h)) die_nomem();
+ ++savedh.len;
+}
+
+void savedh_print()
+{
+ int i;
+
+ for (i = 0; i < savedh.len; ++i)
+ out(savedh.sa[i].s,savedh.sa[i].len);
+}
+
+stralloc defaultdomainbuf = {0};
+token822_alloc defaultdomain = {0};
+stralloc defaulthostbuf = {0};
+token822_alloc defaulthost = {0};
+stralloc plusdomainbuf = {0};
+token822_alloc plusdomain = {0};
+
+void rwroute(token822_alloc *addr)
+{
+ if (addr->t[addr->len - 1].type == TOKEN822_AT)
+ while (addr->len)
+ if (addr->t[--addr->len].type == TOKEN822_COLON)
+ return;
+}
+
+void rwextraat(token822_alloc *addr)
+{
+ int i;
+
+ if (addr->t[0].type == TOKEN822_AT) {
+ --addr->len;
+ for (i = 0; i < addr->len; ++i)
+ addr->t[i] = addr->t[i + 1];
+ }
+}
+
+void rwextradot(token822_alloc *addr)
+{
+ int i;
+
+ if (addr->t[0].type == TOKEN822_DOT) {
+ --addr->len;
+ for (i = 0; i < addr->len; ++i)
+ addr->t[i] = addr->t[i + 1];
+ }
+}
+
+void rwnoat(token822_alloc *addr)
+{
+ int i;
+ int shift;
+
+ for (i = 0; i < addr->len; ++i)
+ if (addr->t[i].type == TOKEN822_AT)
+ return;
+ shift = defaulthost.len;
+ if (!token822_readyplus(addr,shift)) die_nomem();
+ for (i = addr->len - 1; i >= 0; --i)
+ addr->t[i + shift] = addr->t[i];
+
+ addr->len += shift;
+
+ for (i = 0; i < shift; ++i)
+ addr->t[i] = defaulthost.t[shift - 1 - i];
+}
+
+void rwnodot(token822_alloc *addr)
+{
+ int i;
+ int shift;
+
+ for (i = 0; i < addr->len; ++i) {
+ if (addr->t[i].type == TOKEN822_DOT)
+ return;
+ if (addr->t[i].type == TOKEN822_AT)
+ break;
+ }
+ for (i = 0; i < addr->len; ++i) {
+ if (addr->t[i].type == TOKEN822_LITERAL)
+ return;
+ if (addr->t[i].type == TOKEN822_AT)
+ break;
+ }
+ shift = defaultdomain.len;
+ if (!token822_readyplus(addr,shift)) die_nomem();
+
+ for (i = addr->len - 1; i >= 0; --i)
+ addr->t[i + shift] = addr->t[i];
+
+ addr->len += shift;
+
+ for (i = 0; i < shift; ++i)
+ addr->t[i] = defaultdomain.t[shift - 1 - i];
+}
+
+void rwplus(token822_alloc *addr)
+{
+ int i;
+ int shift;
+
+ if (addr->t[0].type != TOKEN822_ATOM) return;
+ if (!addr->t[0].slen) return;
+ if (addr->t[0].s[addr->t[0].slen - 1] != '+') return;
+
+ --addr->t[0].slen; /* remove + */
+
+ shift = plusdomain.len;
+ if (!token822_readyplus(addr,shift)) die_nomem();
+
+ for (i = addr->len - 1; i >= 0; --i)
+ addr->t[i + shift] = addr->t[i];
+
+ addr->len += shift;
+
+ for (i = 0; i < shift; ++i)
+ addr->t[i] = plusdomain.t[shift - 1 - i];
+}
+
+void rwgeneric(token822_alloc *addr)
+{
+ if (!addr->len) return; /* don't rewrite <> */
+ if (addr->len >= 2)
+ if (addr->t[1].type == TOKEN822_AT)
+ if (addr->t[0].type == TOKEN822_LITERAL)
+ if (!addr->t[0].slen) /* don't rewrite <foo@[]> */
+ return;
+
+ rwroute(addr);
+ if (!addr->len) return; /* <@foo:> -> <> */
+ rwextradot(addr);
+ if (!addr->len) return; /* <.> -> <> */
+ rwextraat(addr);
+ if (!addr->len) return; /* <@> -> <> */
+ rwnoat(addr);
+ rwplus(addr);
+ rwnodot(addr);
+}
+
+int setreturn(token822_alloc *addr)
+{
+ if (!sender.s) {
+ token822_reverse(addr);
+ if (token822_unquote(&sender,addr) != 1) die_nomem();
+ if (flaghackrecip)
+ if (!stralloc_cats(&sender,"-@[]")) die_nomem();
+ token822_reverse(addr);
+ }
+ return 1;
+}
+
+int rwreturn(token822_alloc *addr)
+{
+ rwgeneric(addr);
+ setreturn(addr);
+ return 1;
+}
+
+int rwsender(token822_alloc *addr)
+{
+ rwgeneric(addr);
+ return 1;
+}
+
+void rwappend(token822_alloc *addr,saa *xl)
+{
+ token822_reverse(addr);
+ if (!saa_readyplus(xl,1)) die_nomem();
+ xl->sa[xl->len] = sauninit;
+ if (token822_unquote(&xl->sa[xl->len],addr) != 1) die_nomem();
+ ++xl->len;
+ token822_reverse(addr);
+}
+
+int rwhrr(token822_alloc *addr)
+{
+ rwgeneric(addr);
+ rwappend(addr,&hrrlist);
+ return 1;
+}
+
+int rwhr(token822_alloc *addr)
+{
+ rwgeneric(addr);
+ rwappend(addr,&hrlist);
+ return 1;
+}
+
+int rwtocc(token822_alloc *addr)
+{
+ rwgeneric(addr);
+ rwappend(addr,&hrlist);
+ rwappend(addr,&tocclist);
+ return 1;
+}
+
+int htypeseen[H_NUM];
+stralloc hfbuf = {0};
+token822_alloc hfin = {0};
+token822_alloc hfrewrite = {0};
+token822_alloc hfaddr = {0};
+
+void doheaderfield(stralloc *h)
+{
+ int htype;
+ int (*rw)() = 0;
+
+ htype = hfield_known(h->s,h->len);
+ if (flagdeletefrom) if (htype == H_FROM) return;
+ if (flagdeletemessid) if (htype == H_MESSAGEID) return;
+ if (flagdeletesender) if (htype == H_RETURNPATH) return;
+
+ if (htype)
+ htypeseen[htype] = 1;
+ else
+ if (!hfield_valid(h->s,h->len))
+ die_invalid(h);
+
+ switch (htype) {
+ case H_TO: case H_CC:
+ rw = rwtocc; break;
+ case H_BCC: case H_APPARENTLYTO:
+ rw = rwhr; break;
+ case H_R_TO: case H_R_CC: case H_R_BCC:
+ rw = rwhrr; break;
+ case H_RETURNPATH:
+ rw = rwreturn; break;
+ case H_SENDER: case H_FROM: case H_REPLYTO:
+ case H_RETURNRECEIPTTO: case H_ERRORSTO:
+ case H_R_SENDER: case H_R_FROM: case H_R_REPLYTO:
+ rw = rwsender; break;
+ }
+
+ if (rw) {
+ doordie(h,token822_parse(&hfin,h,&hfbuf));
+ doordie(h,token822_addrlist(&hfrewrite,&hfaddr,&hfin,rw));
+ if (token822_unparse(h,&hfrewrite,LINELEN) != 1)
+ die_nomem();
+ }
+
+ if (htype == H_BCC) return;
+ if (htype == H_R_BCC) return;
+ if (htype == H_RETURNPATH) return;
+ if (htype == H_CONTENTLENGTH) return; /* some things are just too stupid */
+ savedh_append(h);
+}
+
+void dobody(stralloc *h)
+{
+ out(h->s,h->len);
+}
+
+stralloc torecip = {0};
+token822_alloc tr = {0};
+
+void dorecip(char *s)
+{
+ if (!quote2(&torecip,s)) die_nomem();
+
+ switch (token822_parse(&tr,&torecip,&hfbuf)) {
+ case -1: die_nomem();
+ case 0:
+ buffer_puts(buffer_2,"qmail-inject: fatal: unable to parse address: ");
+ buffer_puts(buffer_2,s);
+ buffer_putsflush(buffer_2,"\n");
+ perm();
+ }
+ token822_reverse(&tr);
+ rwgeneric(&tr);
+ rwappend(&tr,&reciplist);
+}
+
+stralloc defaultfrom = {0};
+token822_alloc df = {0};
+
+void defaultfrommake()
+{
+ char *fullname;
+ fullname = env_get("QMAILNAME");
+ if (!fullname) fullname = env_get("MAILNAME");
+ if (!fullname) fullname = env_get("NAME");
+ if (!token822_ready(&df,20)) die_nomem();
+
+ df.len = 0;
+ df.t[df.len].type = TOKEN822_ATOM;
+ df.t[df.len].s = "From";
+ df.t[df.len].slen = 4;
+ ++df.len;
+ df.t[df.len].type = TOKEN822_COLON;
+ ++df.len;
+
+ if (fullname && !flagnamecomment) {
+ df.t[df.len].type = TOKEN822_QUOTE;
+ df.t[df.len].s = fullname;
+ df.t[df.len].slen = str_len(fullname);
+ ++df.len;
+ df.t[df.len].type = TOKEN822_LEFT;
+ ++df.len;
+ }
+
+ df.t[df.len].type = mailusertokentype;
+ df.t[df.len].s = mailuser;
+ df.t[df.len].slen = str_len(mailuser);
+ ++df.len;
+
+ if (mailhost) {
+ df.t[df.len].type = TOKEN822_AT;
+ ++df.len;
+ df.t[df.len].type = TOKEN822_ATOM;
+ df.t[df.len].s = mailhost;
+ df.t[df.len].slen = str_len(mailhost);
+ ++df.len;
+ }
+
+ if (fullname && !flagnamecomment) {
+ df.t[df.len].type = TOKEN822_RIGHT;
+ ++df.len;
+ }
+
+ if (fullname && flagnamecomment) {
+ df.t[df.len].type = TOKEN822_COMMENT;
+ df.t[df.len].s = fullname;
+ df.t[df.len].slen = str_len(fullname);
+ ++df.len;
+ }
+
+ if (token822_unparse(&defaultfrom,&df,LINELEN) != 1) die_nomem();
+ doordie(&defaultfrom,token822_parse(&df,&defaultfrom,&hfbuf));
+ doordie(&defaultfrom,token822_addrlist(&hfrewrite,&hfaddr,&df,rwsender));
+ if (token822_unparse(&defaultfrom,&hfrewrite,LINELEN) != 1) die_nomem();
+}
+
+stralloc defaultreturnpath = {0};
+token822_alloc drp = {0};
+stralloc hackedruser = {0};
+char strnum[FMT_ULONG];
+
+void dodefaultreturnpath()
+{
+ if (!stralloc_copys(&hackedruser,mailruser)) die_nomem();
+
+ if (flaghackmess) {
+ if (!stralloc_cats(&hackedruser,"-")) die_nomem();
+ if (!stralloc_catb(&hackedruser,strnum,fmt_ulong(strnum,(unsigned long) starttime))) die_nomem();
+ if (!stralloc_cats(&hackedruser,".")) die_nomem();
+ if (!stralloc_catb(&hackedruser,strnum,fmt_ulong(strnum,(unsigned long) getpid()))) die_nomem();
+ }
+ if (flaghackrecip)
+ if (!stralloc_cats(&hackedruser,"-")) die_nomem();
+
+ if (!token822_ready(&drp,10)) die_nomem();
+
+ drp.len = 0;
+ drp.t[drp.len].type = TOKEN822_ATOM;
+ drp.t[drp.len].s = "Return-Path";
+ drp.t[drp.len].slen = 11;
+ ++drp.len;
+ drp.t[drp.len].type = TOKEN822_COLON;
+ ++drp.len;
+ drp.t[drp.len].type = TOKEN822_QUOTE;
+ drp.t[drp.len].s = hackedruser.s;
+ drp.t[drp.len].slen = hackedruser.len;
+ ++drp.len;
+
+ if (mailrhost) {
+ drp.t[drp.len].type = TOKEN822_AT;
+ ++drp.len;
+ drp.t[drp.len].type = TOKEN822_ATOM;
+ drp.t[drp.len].s = mailrhost;
+ drp.t[drp.len].slen = str_len(mailrhost);
+ ++drp.len;
+ }
+
+ if (token822_unparse(&defaultreturnpath,&drp,LINELEN) != 1) die_nomem();
+ doordie(&defaultreturnpath,token822_parse(&drp,&defaultreturnpath,&hfbuf));
+ doordie(&defaultreturnpath,token822_addrlist(&hfrewrite,&hfaddr,&drp,rwreturn));
+ if (token822_unparse(&defaultreturnpath,&hfrewrite,LINELEN) != 1) die_nomem();
+}
+
+int flagmft = 0;
+stralloc mft = {0};
+struct constmap mapmft;
+
+void mft_init()
+{
+ char *x;
+ int r;
+
+ x = env_get("QMAILMFTFILE");
+ if (!x) return;
+
+ r = control_readfile(&mft,x,0);
+ if (r == -1) die_read(); /*XXX*/
+ if (!r) return;
+
+ if (!constmap_init(&mapmft,mft.s,mft.len,0)) die_nomem();
+ flagmft = 1;
+}
+
+void finishmft()
+{
+ int i;
+ static stralloc sa = {0};
+ static stralloc sa2 = {0};
+
+ if (!flagmft) return;
+ if (htypeseen[H_MAILFOLLOWUPTO]) return;
+
+ for (i = 0; i < tocclist.len; ++i)
+ if (constmap(&mapmft,tocclist.sa[i].s,tocclist.sa[i].len))
+ break;
+
+ if (i == tocclist.len) return;
+
+ outs("Mail-Followup-To: ");
+ i = tocclist.len;
+ while (i--) {
+ if (!stralloc_copy(&sa,&tocclist.sa[i])) die_nomem();
+ if (!stralloc_0(&sa)) die_nomem();
+ if (!quote2(&sa2,sa.s)) die_nomem();
+ out(sa2.s,sa2.len);
+ if (i) outs(",\n ");
+ }
+ outs("\n");
+}
+
+void finishheader()
+{
+ flagresent =
+ htypeseen[H_R_SENDER] || htypeseen[H_R_FROM] || htypeseen[H_R_REPLYTO]
+ || htypeseen[H_R_TO] || htypeseen[H_R_CC] || htypeseen[H_R_BCC]
+ || htypeseen[H_R_DATE] || htypeseen[H_R_MESSAGEID];
+
+ if (!sender.s)
+ dodefaultreturnpath();
+
+ if (!flagqueue) {
+ static stralloc sa = {0};
+ static stralloc sa2 = {0};
+
+ if (!stralloc_copy(&sa,&sender)) die_nomem();
+ if (!stralloc_0(&sa)) die_nomem();
+ if (!quote2(&sa2,sa.s)) die_nomem();
+
+ outs("Return-Path: <");
+ out(sa2.s,sa2.len);
+ outs(">\n");
+ }
+
+ /* could check at this point whether there are any recipients */
+ if (flagqueue)
+ if (qmail_open(&qqt) == -1) die_qqt();
+
+ if (flagresent) {
+ if (!htypeseen[H_R_DATE]) {
+ if (!newfield_datemake(starttime)) die_nomem();
+ outs("Resent-");
+ out(newfield_date.s,newfield_date.len);
+ }
+ if (!htypeseen[H_R_MESSAGEID]) {
+ if (!newfield_msgidmake(control_idhost.s,control_idhost.len,starttime)) die_nomem();
+ outs("Resent-");
+ out(newfield_msgid.s,newfield_msgid.len);
+ }
+ if (!htypeseen[H_R_FROM]) {
+ defaultfrommake();
+ outs("Resent-");
+ out(defaultfrom.s,defaultfrom.len);
+ }
+ if (!htypeseen[H_R_TO] && !htypeseen[H_R_CC])
+ outs("Resent-Cc: recipient list not shown: ;\n");
+ } else {
+ if (!htypeseen[H_DATE]) {
+ if (!newfield_datemake(starttime)) die_nomem();
+ out(newfield_date.s,newfield_date.len);
+ }
+ if (!htypeseen[H_MESSAGEID]) {
+ if (!newfield_msgidmake(control_idhost.s,control_idhost.len,starttime)) die_nomem();
+ out(newfield_msgid.s,newfield_msgid.len);
+ }
+ if (!htypeseen[H_FROM]) {
+ defaultfrommake();
+ out(defaultfrom.s,defaultfrom.len);
+ }
+ if (!htypeseen[H_TO] && !htypeseen[H_CC])
+ outs("Cc: recipient list not shown: ;\n");
+ finishmft();
+ }
+
+ savedh_print();
+}
+
+void getcontrols()
+{
+ static stralloc sa = {0};
+ char *x;
+
+ mft_init();
+
+ if (chdir(auto_qmail) == -1) die_chdir();
+ if (control_init() == -1) die_read();
+
+ if (control_rldef(&control_defaultdomain,"control/defaultdomain",1,"defaultdomain") != 1)
+ die_read();
+ x = env_get("QMAILDEFAULTDOMAIN");
+ if (x) if (!stralloc_copys(&control_defaultdomain,x)) die_nomem();
+ if (!stralloc_copys(&sa,".")) die_nomem();
+ if (!stralloc_cat(&sa,&control_defaultdomain)) die_nomem();
+ doordie(&sa,token822_parse(&defaultdomain,&sa,&defaultdomainbuf));
+
+ if (control_rldef(&control_defaulthost,"control/defaulthost",1,"defaulthost") != 1)
+ die_read();
+ x = env_get("QMAILDEFAULTHOST");
+ if (x) if (!stralloc_copys(&control_defaulthost,x)) die_nomem();
+ if (!stralloc_copys(&sa,"@")) die_nomem();
+ if (!stralloc_cat(&sa,&control_defaulthost)) die_nomem();
+ doordie(&sa,token822_parse(&defaulthost,&sa,&defaulthostbuf));
+
+ if (control_rldef(&control_plusdomain,"control/plusdomain",1,"plusdomain") != 1)
+ die_read();
+ x = env_get("QMAILPLUSDOMAIN");
+ if (x) if (!stralloc_copys(&control_plusdomain,x)) die_nomem();
+ if (!stralloc_copys(&sa,".")) die_nomem();
+ if (!stralloc_cat(&sa,&control_plusdomain)) die_nomem();
+ doordie(&sa,token822_parse(&plusdomain,&sa,&plusdomainbuf));
+
+ if (control_rldef(&control_idhost,"control/idhost",1,"idhost") != 1)
+ die_read();
+ x = env_get("QMAILIDHOST");
+ if (x) if (!stralloc_copys(&control_idhost,x)) die_nomem();
+}
+
+#define RECIP_DEFAULT 1
+#define RECIP_ARGS 2
+#define RECIP_HEADER 3
+#define RECIP_AH 4
+
+int main(int argc,char **argv)
+{
+ int i;
+ int opt;
+ int recipstrategy;
+
+ sig_pipeignore();
+
+ starttime = now();
+
+ qmopts = env_get("QMAILINJECT");
+ if (qmopts)
+ while (*qmopts)
+ switch (*qmopts++) {
+ case 'c': flagnamecomment = 1; break;
+ case 's': flagdeletesender = 1; break;
+ case 'f': flagdeletefrom = 1; break;
+ case 'i': flagdeletemessid = 1; break;
+ case 'r': flaghackrecip = 1; break;
+ case 'm': flaghackmess = 1; break;
+ }
+
+ mailhost = env_get("QMAILHOST");
+ if (!mailhost) mailhost = env_get("MAILHOST");
+ mailrhost = env_get("QMAILSHOST");
+ if (!mailrhost) mailrhost = mailhost;
+
+ mailuser = env_get("QMAILUSER");
+ if (!mailuser) mailuser = env_get("MAILUSER");
+ if (!mailuser) mailuser = env_get("USER");
+ if (!mailuser) mailuser = env_get("LOGNAME");
+ if (!mailuser) mailuser = "anonymous";
+ mailusertokentype = TOKEN822_ATOM;
+ if (quote_need(mailuser,str_len(mailuser))) mailusertokentype = TOKEN822_QUOTE;
+ mailruser = env_get("QMAILSUSER");
+ if (!mailruser) mailruser = mailuser;
+
+ for (i = 0; i < H_NUM; ++i) htypeseen[i] = 0;
+
+ recipstrategy = RECIP_DEFAULT;
+ flagqueue = 1;
+
+ getcontrols();
+
+ if (!saa_readyplus(&hrlist,1)) die_nomem();
+ if (!saa_readyplus(&tocclist,1)) die_nomem();
+ if (!saa_readyplus(&hrrlist,1)) die_nomem();
+ if (!saa_readyplus(&reciplist,1)) die_nomem();
+
+ while ((opt = getopt(argc,argv,"aAhHnNf:")) != opteof)
+ switch (opt) {
+ case 'a': recipstrategy = RECIP_ARGS; break;
+ case 'A': recipstrategy = RECIP_DEFAULT; break;
+ case 'h': recipstrategy = RECIP_HEADER; break;
+ case 'H': recipstrategy = RECIP_AH; break;
+ case 'n': flagqueue = 0; break;
+ case 'N': flagqueue = 1; break;
+ case 'f':
+ if (!quote2(&sender,optarg)) die_nomem();
+ doordie(&sender,token822_parse(&envs,&sender,&envsbuf));
+ token822_reverse(&envs);
+ rwgeneric(&envs);
+ token822_reverse(&envs);
+ if (token822_unquote(&sender,&envs) != 1) die_nomem();
+ break;
+ case '?':
+ default:
+ perm();
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (recipstrategy == RECIP_DEFAULT)
+ recipstrategy = (*argv ? RECIP_ARGS : RECIP_HEADER);
+
+ if (recipstrategy != RECIP_HEADER)
+ while (*argv)
+ dorecip(*argv++);
+
+ flagrh = (recipstrategy != RECIP_ARGS);
+
+ if (headerbody(buffer_0,doheaderfield,finishheader,dobody) == -1)
+ die_read();
+
+ exitnicely();
+}