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Diffstat (limited to 'sqmail-4.3.07/src/newaliases.c')
-rw-r--r--sqmail-4.3.07/src/newaliases.c326
1 files changed, 0 insertions, 326 deletions
diff --git a/sqmail-4.3.07/src/newaliases.c b/sqmail-4.3.07/src/newaliases.c
deleted file mode 100644
index 98aa095..0000000
--- a/sqmail-4.3.07/src/newaliases.c
+++ /dev/null
@@ -1,326 +0,0 @@
-#include <unistd.h>
-#include <sys/stat.h>
-#include "buffer.h"
-#include "logmsg.h"
-#include "genalloc.h"
-#include "stralloc.h"
-#include "getln.h"
-#include "open.h"
-#include "token822.h"
-#include "control.h"
-#include "auto_qmail.h"
-#include "case.h"
-#include "cdbmake.h"
-#include "byte.h"
-
-#define WHO "newaliases"
-
-int rename(const char *,const char *); // stdio.h
-
-void nomem()
-{
- logmsg(WHO,111,FATAL,"out of memory");
-}
-void nulbyte()
-{
- logmsg(WHO,100,FATAL,"NUL bytes are not permitted");
-}
-void longaddress()
-{
- logmsg(WHO,100,FATAL,"addresses over 800 bytes are not permitted");
-}
-void writeerr()
-{
- logmsg(WHO,111,FATAL,"unable to write to /etc/aliases.tmp");
-}
-void readerr()
-{
- logmsg(WHO,111,FATAL,"unable to read /etc/aliases");
-}
-void die_control()
-{
- logmsg(WHO,111,FATAL,"unable to read controls");
-}
-
-stralloc me = {0};
-stralloc defaulthost = {0};
-stralloc defaultdomain = {0};
-stralloc plusdomain = {0};
-
-void readcontrols()
-{
- int r;
- int fddir;
-
- fddir = open_read(".");
- if (fddir == -1)
- logmsg(WHO,111,FATAL,"unable to open current directory");
-
- if (chdir(auto_qmail) == -1)
- logmsg(WHO,111,FATAL,B("unable to chdir to: ",auto_qmail));
-
- r = control_readline(&me,"control/me");
- if (r == -1) die_control();
- if (!r) if (!stralloc_copys(&me,"me")) nomem();
-
- r = control_readline(&defaultdomain,"control/defaultdomain");
- if (r == -1) die_control();
- if (!r) if (!stralloc_copy(&defaultdomain,&me)) nomem();
-
- r = control_readline(&defaulthost,"control/defaulthost");
- if (r == -1) die_control();
- if (!r) if (!stralloc_copy(&defaulthost,&me)) nomem();
-
- r = control_readline(&plusdomain,"control/plusdomain");
- if (r == -1) die_control();
- if (!r) if (!stralloc_copy(&plusdomain,&me)) nomem();
-
- if (fchdir(fddir) == -1)
- logmsg(WHO,111,FATAL,"unable to set current directory");
-}
-
-stralloc target = {0};
-stralloc fulltarget = {0};
-stralloc instr = {0};
-
-stralloc cbuf = {0};
-token822_alloc toks = {0};
-token822_alloc tokaddr = {0};
-stralloc address = {0};
-
-void gotincl()
-{
- token822_reverse(&tokaddr);
- if (token822_unquote(&address,&tokaddr) != 1) nomem();
- tokaddr.len = 0;
-
- if (!address.len)
- logmsg(WHO,111,FATAL,"empty :include: filenames not permitted");
- if (byte_chr(address.s,address.len,'\0') < address.len)
- logmsg(WHO,111,FATAL,"NUL not permitted in :include: filenames");
-
- if ((address.s[0] != '.') && (address.s[0] != '/'))
- if (!stralloc_cats(&instr,"./")) nomem();
- if (!stralloc_cat(&instr,&address)) nomem();
- if (!stralloc_cats(&instr,".bin")) nomem();
- if (!stralloc_0(&instr)) nomem();
-}
-
-void gotaddr()
-{
- int i;
- int j;
- int flaghasat;
-
- token822_reverse(&tokaddr);
- if (token822_unquote(&address,&tokaddr) != 1) nomem();
-
- if (!address.len)
- logmsg(WHO,111,FATAL,"empty recipient addresses not permitted");
-
- flaghasat = 0;
- for (i = 0; i < tokaddr.len; ++i)
- if (tokaddr.t[i].type == TOKEN822_AT)
- flaghasat = 1;
-
- tokaddr.len = 0;
-
- if (!address.len) return;
-
- if (!flaghasat)
- if (address.s[0] == '/') {
- if (!stralloc_0(&address)) nomem();
- logmsg(WHO,111,FATAL,B("file delivery for ",address.s," not supported"));
- }
- if (!flaghasat)
- if (address.s[0] == '|') {
- if (byte_chr(address.s,address.len,'\0') < address.len)
- logmsg(WHO,111,FATAL,"NUL not permitted in program names");
- if (!stralloc_cats(&instr,"!")) nomem();
- if (!stralloc_catb(&instr,address.s + 1,address.len - 1)) nomem();
- if (!stralloc_0(&instr)) nomem();
- return;
- }
-
-
- if (target.len) {
- if (!stralloc_cats(&instr,"&")) nomem();
- if (!stralloc_cat(&instr,&fulltarget)) nomem();
- if (!stralloc_0(&instr)) nomem();
- }
-
- if (!flaghasat)
- if (!stralloc_cats(&address,"@")) nomem();
-
- if (!stralloc_copy(&target,&address)) nomem();
- if (!stralloc_copy(&fulltarget,&address)) nomem();
-
- if (fulltarget.s[fulltarget.len - 1] == '@')
- if (!stralloc_cat(&fulltarget,&defaulthost)) nomem();
- if (fulltarget.s[fulltarget.len - 1] == '+') {
- fulltarget.s[fulltarget.len - 1] = '.';
- if (!stralloc_cat(&fulltarget,&plusdomain)) nomem();
- }
-
- j = 0;
- for (i = 0;i < fulltarget.len;++i) if (fulltarget.s[i] == '@') j = i;
- for (i = j;i < fulltarget.len;++i) if (fulltarget.s[i] == '.') break;
- if (i == fulltarget.len) {
- if (!stralloc_cats(&fulltarget,".")) nomem();
- if (!stralloc_cat(&fulltarget,&defaultdomain)) nomem();
- }
-
- if (fulltarget.len > 800) longaddress();
- if (byte_chr(fulltarget.s,fulltarget.len,'\0') < fulltarget.len)
- logmsg(WHO,111,FATAL,"NUL not permitted in recipient addresses");
-}
-
-stralloc line = {0};
-stralloc newline = {0};
-int match;
-
-void parseerr()
-{
- if (!stralloc_0(&line)) nomem();
- logmsg(WHO,111,FATAL,B("unable to parse this line: ",line.s));
-}
-
-void parseline()
-{
- int wordok;
- struct token822 *t;
- struct token822 *beginning;
-
- switch (token822_parse(&toks,&line,&cbuf)) {
- case -1: nomem();
- case 0: parseerr();
- }
-
- beginning = toks.t;
- t = toks.t + toks.len;
- wordok = 1;
-
- if (!token822_readyplus(&tokaddr,1)) nomem();
- tokaddr.len = 0;
-
- while (t > beginning)
- switch ((--t)->type) {
- case TOKEN822_SEMI:
- break; /*XXX*/
- case TOKEN822_COLON:
- if (t >= beginning + 2)
- if (t[-2].type == TOKEN822_COLON)
- if (t[-1].type == TOKEN822_ATOM)
- if (t[-1].slen == 7)
- if (!byte_diff(t[-1].s,7,"include")) {
- gotincl();
- t -= 2;
- }
- break; /*XXX*/
- case TOKEN822_RIGHT:
- if (tokaddr.len) gotaddr();
- while ((t > beginning) && (t[-1].type != TOKEN822_LEFT))
- if (!token822_append(&tokaddr,--t)) nomem();
- gotaddr();
- if (t <= beginning) parseerr();
- --t;
- while ((t > beginning) && ((t[-1].type == TOKEN822_COMMENT) || (t[-1].type == TOKEN822_ATOM) || (t[-1].type == TOKEN822_QUOTE) || (t[-1].type == TOKEN822_AT) || (t[-1].type == TOKEN822_DOT)))
- --t;
- wordok = 0;
- continue;
- case TOKEN822_ATOM: case TOKEN822_QUOTE: case TOKEN822_LITERAL:
- if (!wordok) if (tokaddr.len) gotaddr();
- wordok = 0;
- if (!token822_append(&tokaddr,t)) nomem();
- continue;
- case TOKEN822_COMMENT:
- /* comment is lexically a space; shouldn't affect wordok */
- break;
- case TOKEN822_COMMA:
- if (tokaddr.len) gotaddr();
- wordok = 1;
- break;
- default:
- wordok = 1;
- if (!token822_append(&tokaddr,t)) nomem();
- continue;
- }
- if (tokaddr.len) gotaddr();
-}
-
-char inbuf[1024];
-buffer bi;
-struct cdb_make cdb;
-stralloc key = {0};
-
-void doit()
-{
- if (!instr.len) {
- if (target.len) parseerr();
- return;
- }
-
- if (!target.len) parseerr();
-
- if (stralloc_starts(&target,"owner-")) {
- if (!stralloc_copys(&key,"?")) nomem();
- if (!stralloc_catb(&key,target.s + 6,target.len - 6)) nomem();
- case_lowerb(key.s,key.len);
- if (cdb_make_add(&cdb,key.s,key.len,fulltarget.s,fulltarget.len) == -1) writeerr();
- }
-
- if (!stralloc_copys(&key,":")) nomem();
- if (!stralloc_cat(&key,&target)) nomem();
- case_lowerb(key.s,key.len);
- if (cdb_make_add(&cdb,key.s,key.len,instr.s,instr.len) == -1) writeerr();
-}
-
-int main()
-{
- int fd;
-
- umask(033);
- readcontrols();
-
- fd = open_read("/etc/aliases");
- if (fd == -1) readerr();
- buffer_init(&bi,read,fd,inbuf,sizeof(inbuf));
-
- fd = open_trunc("/etc/aliases.tmp");
- if (fd == -1) logmsg(WHO,111,FATAL,"unable to create /etc/aliases.tmp");
- if (cdb_make_start(&cdb,fd) == -1) writeerr();
-
- if (!stralloc_copys(&line,"")) nomem();
-
- for (;;) {
- if (getln(&bi,&newline,&match,'\n') != 0) readerr();
-
- if (match && (newline.s[0] == '\n')) continue;
-
- if (match && ((newline.s[0] == ' ') || (newline.s[0] == '\t'))) {
- if (!stralloc_cat(&line,&newline)) nomem();
- continue;
- }
-
- if (line.len)
- if (line.s[0] != '#') {
- if (!stralloc_copys(&target,"")) nomem();
- if (!stralloc_copys(&fulltarget,"")) nomem();
- if (!stralloc_copys(&instr,"")) nomem();
- parseline();
- doit();
- }
-
- if (!match) break;
- if (!stralloc_copy(&line,&newline)) nomem();
- }
-
- if (cdb_make_finish(&cdb) == -1) writeerr();
- if (fsync(fd) == -1) writeerr();
- if (close(fd) == -1) writeerr(); /* NFS stupidity */
-
- if (rename("/etc/aliases.tmp","/etc/aliases.cdb") == -1)
- logmsg(WHO,111,FATAL,"unable to move /etc/aliases.tmp to /etc/aliases.cdb");
-
- _exit(0);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 08:06:16 +0000