137 lines
3.2 KiB
C
137 lines
3.2 KiB
C
#include "stralloc.h"
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#include "subfd.h"
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#include "getln.h"
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#include "substdio.h"
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#include "cdbmss.h"
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#include "exit.h"
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#include "readwrite.h"
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#include "open.h"
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#include "error.h"
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#include "case.h"
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#include "auto_qmail.h"
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void die_temp() { _exit(111); }
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void die_chdir()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to chdir\n");
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die_temp();
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}
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void die_nomem()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: out of memory\n");
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die_temp();
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}
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void die_opena()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/assign\n");
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die_temp();
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}
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void die_reada()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to read users/assign\n");
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die_temp();
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}
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void die_format()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: bad format in users/assign\n");
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die_temp();
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}
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void die_opent()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to open users/cdb.tmp\n");
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die_temp();
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}
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void die_writet()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to write users/cdb.tmp\n");
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die_temp();
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}
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void die_rename()
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{
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substdio_putsflush(subfderr,"qmail-newu: fatal: unable to move users/cdb.tmp to users/cdb\n");
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die_temp();
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}
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struct cdbmss cdbmss;
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stralloc key = {0};
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stralloc data = {0};
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char inbuf[1024];
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substdio ssin;
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int fd;
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int fdtemp;
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stralloc line = {0};
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int match;
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stralloc wildchars = {0};
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void main()
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{
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int i;
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int numcolons;
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umask(033);
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if (chdir(auto_qmail) == -1) die_chdir();
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fd = open_read("users/assign");
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if (fd == -1) die_opena();
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substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
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fdtemp = open_trunc("users/cdb.tmp");
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if (fdtemp == -1) die_opent();
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if (cdbmss_start(&cdbmss,fdtemp) == -1) die_writet();
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if (!stralloc_copys(&wildchars,"")) die_nomem();
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for (;;) {
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if (getln(&ssin,&line,&match,'\n') != 0) die_reada();
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if (line.len && (line.s[0] == '.')) break;
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if (!match) die_format();
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if (byte_chr(line.s,line.len,'\0') < line.len) die_format();
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i = byte_chr(line.s,line.len,':');
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if (i == line.len) die_format();
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if (i == 0) die_format();
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if (!stralloc_copys(&key,"!")) die_nomem();
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if (line.s[0] == '+') {
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if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
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case_lowerb(key.s,key.len);
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if (i >= 2)
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if (byte_chr(wildchars.s,wildchars.len,line.s[i - 1]) == wildchars.len)
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if (!stralloc_append(&wildchars,line.s + i - 1)) die_nomem();
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}
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else {
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if (!stralloc_catb(&key,line.s + 1,i - 1)) die_nomem();
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if (!stralloc_0(&key)) die_nomem();
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case_lowerb(key.s,key.len);
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}
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if (!stralloc_copyb(&data,line.s + i + 1,line.len - i - 1)) die_nomem();
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numcolons = 0;
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for (i = 0;i < data.len;++i)
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if (data.s[i] == ':') {
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data.s[i] = 0;
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if (++numcolons == 6)
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break;
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}
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if (numcolons < 6) die_format();
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data.len = i;
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if (cdbmss_add(&cdbmss,key.s,key.len,data.s,data.len) == -1) die_writet();
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}
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if (cdbmss_add(&cdbmss,"",0,wildchars.s,wildchars.len) == -1) die_writet();
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if (cdbmss_finish(&cdbmss) == -1) die_writet();
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if (fsync(fdtemp) == -1) die_writet();
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if (close(fdtemp) == -1) die_writet(); /* NFS stupidity */
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if (rename("users/cdb.tmp","users/cdb") == -1) die_rename();
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_exit(0);
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}
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