| 1 | #include "error.h" |
| 2 | #include "strerr.h" |
| 3 | #include "readwrite.h" |
| 4 | #include "str.h" |
| 5 | #include "fmt.h" |
| 6 | #include "stralloc.h" |
| 7 | #include "open.h" |
| 8 | #include "substdio.h" |
| 9 | #include "case.h" |
| 10 | #include "errtxt.h" |
| 11 | #include "subscribe.h" |
| 12 | #include "qmail.h" |
| 13 | #include <unistd.h> |
| 14 | #include <libpq-fe.h> |
| 15 | |
| 16 | static substdio ssin; |
| 17 | static char inbuf[512]; |
| 18 | char strnum[FMT_ULONG]; |
| 19 | static stralloc line = {0}; |
| 20 | static stralloc fn = {0}; |
| 21 | |
| 22 | static void die_nomem(fatal) |
| 23 | char *fatal; |
| 24 | { |
| 25 | strerr_die2x(111,fatal,ERR_NOMEM); |
| 26 | } |
| 27 | |
| 28 | static void die_write(fatal) |
| 29 | char *fatal; |
| 30 | { |
| 31 | strerr_die3x(111,fatal,ERR_WRITE,"stdout"); |
| 32 | } |
| 33 | |
| 34 | unsigned long putsubs(dbname,hash_lo,hash_hi, |
| 35 | subwrite,flagsql,fatal) |
| 36 | /* Outputs all userhostesses in 'dbname' to stdout. If userhost is not null */ |
| 37 | /* that userhost is excluded. 'dbname' is the base directory name. For the */ |
| 38 | /* mysql version, dbname is the directory where the file "sql" with mysql */ |
| 39 | /* access info is found. If this file is not present or if flagmysql is not */ |
| 40 | /* set, the routine falls back to the old database style. subwrite must be a*/ |
| 41 | /* function returning >=0 on success, -1 on error, and taking arguments */ |
| 42 | /* (char* string, unsigned int length). It will be called once per address */ |
| 43 | /* and should take care of newline or whatever needed for the output form. */ |
| 44 | |
| 45 | char *dbname; /* database base dir */ |
| 46 | unsigned long hash_lo; |
| 47 | unsigned long hash_hi; |
| 48 | int subwrite(); /* write function. */ |
| 49 | int flagsql; |
| 50 | char *fatal; /* fatal error string */ |
| 51 | |
| 52 | { |
| 53 | PGresult *result; |
| 54 | int row_nr; |
| 55 | int length; |
| 56 | char *row; |
| 57 | char *table = (char *) 0; |
| 58 | |
| 59 | unsigned int i; |
| 60 | int fd; |
| 61 | unsigned long no = 0L; |
| 62 | int match; |
| 63 | unsigned int hashpos; |
| 64 | char *ret = (char *) 0; |
| 65 | |
| 66 | if (!flagsql || (ret = opensql(dbname,&table))) { |
| 67 | if (flagsql && *ret) strerr_die2x(111,fatal,ret); |
| 68 | /* fallback to local db */ |
| 69 | if (!stralloc_copys(&fn,dbname)) die_nomem(fatal); |
| 70 | if (!stralloc_catb(&fn,"/subscribers/?",15)) die_nomem(fatal); |
| 71 | /* NOTE: Also copies terminal '\0' */ |
| 72 | hashpos = fn.len - 2; |
| 73 | if (hash_lo > 52) hash_lo = 52; |
| 74 | if (hash_hi > 52) hash_hi = 52; |
| 75 | if (hash_hi < hash_lo) hash_hi = hash_lo; |
| 76 | |
| 77 | for (i = hash_lo;i <= hash_hi;++i) { |
| 78 | fn.s[hashpos] = 64 + i; /* hash range 0-52 */ |
| 79 | fd = open_read(fn.s); |
| 80 | if (fd == -1) { |
| 81 | if (errno != error_noent) |
| 82 | strerr_die4sys(111,fatal,ERR_READ,fn.s,": "); |
| 83 | } else { |
| 84 | substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf)); |
| 85 | for (;;) { |
| 86 | if (getln(&ssin,&line,&match,'\0') == -1) |
| 87 | strerr_die4sys(111,fatal,ERR_READ,fn.s,": "); |
| 88 | if (!match) |
| 89 | break; |
| 90 | if (subwrite(line.s + 1,line.len - 2) == -1) die_write(fatal); |
| 91 | no++; |
| 92 | } |
| 93 | close(fd); |
| 94 | } |
| 95 | } |
| 96 | return no; |
| 97 | |
| 98 | } else { /* SQL Version */ |
| 99 | |
| 100 | /* main query */ |
| 101 | if (!stralloc_copys(&line,"SELECT address FROM ")) |
| 102 | die_nomem(fatal); |
| 103 | if (!stralloc_cats(&line,table)) die_nomem(fatal); |
| 104 | if (!stralloc_cats(&line," WHERE hash BETWEEN ")) die_nomem(fatal); |
| 105 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,hash_lo))) |
| 106 | die_nomem(fatal); |
| 107 | if (!stralloc_cats(&line," AND ")) die_nomem(fatal); |
| 108 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,hash_hi))) |
| 109 | die_nomem(fatal); |
| 110 | if (!stralloc_0(&line)) die_nomem(fatal); |
| 111 | result = PQexec(psql,line.s); |
| 112 | if (result == NULL) |
| 113 | strerr_die2x(111,fatal,PQerrorMessage(psql)); |
| 114 | if (PQresultStatus(result) != PGRES_TUPLES_OK) |
| 115 | strerr_die2x(111,fatal,PQresultErrorMessage(result)); |
| 116 | |
| 117 | no = 0; |
| 118 | for (row_nr=0;row_nr<PQntuples(result);row_nr++) { |
| 119 | /* this is safe even if someone messes with the address field def */ |
| 120 | length = PQgetlength(result,row_nr,0); |
| 121 | row = PQgetvalue(result,row_nr,0); |
| 122 | if (subwrite(row,length) == -1) die_write(fatal); |
| 123 | no++; /* count for list-list fxn */ |
| 124 | } |
| 125 | PQclear(result); |
| 126 | return no; |
| 127 | } |
| 128 | } |