--- /dev/null
+/*$Id: copy.c,v 1.10 1999/08/07 19:28:16 lindberg Exp $*/
+/*$Name: ezmlm-idx-040 $*/
+
+/* Copies a file relative the current directory and substitutes */
+/* !A at the beginning of a line for the target, */
+/* !R at the beginning of a line for the confirm reply address, */
+/* The following substitutions are also made. If not set, ????? */
+/* will be printed: <#l#> outlocal */
+/* will be printed: <#h#> outhost */
+/* will be printed: <#n#> outmsgnum */
+/* Other tags are killed, e.g. removed. A missing file is a */
+/* permanent error so owner finds out ASAP. May not have access to */
+/* maillog. Content transfer encoding is done for 'B' and 'Q'. For */
+/* 'H' no content transfer encoding is done, but blank lines are */
+/* suppressed. Behavior for other codes is undefined. This includes*/
+/* lower case 'q'/'b'! If code is 'H' substitution of target and */
+/* verptarget is prevented as it may create illegal headers. */
+
+#include "stralloc.h"
+#include "substdio.h"
+#include "strerr.h"
+#include "str.h"
+#include "getln.h"
+#include "case.h"
+#include "readwrite.h"
+#include "qmail.h"
+#include "errtxt.h"
+#include "error.h"
+#include "quote.h"
+#include "copy.h"
+#include "mime.h"
+ /* for public setup functions only */
+#define FATAL "copy: fatal: "
+
+static stralloc line = {0};
+static stralloc outline = {0};
+static stralloc qline = {0};
+static stralloc outlocal = {0};
+static stralloc outhost = {0};
+static substdio sstext;
+static char textbuf[256];
+static char *target = "?????";
+static char *verptarget = "?????";
+static char *confirm = "?????";
+static char *szmsgnum = "?????";
+
+void set_cpoutlocal(ln)
+stralloc *ln;
+{ /* must be quoted for safety. Note that substitutions that use */
+ /* outlocal within an atom may create illegal addresses */
+ if (!quote(&outlocal,ln))
+ strerr_die2x(111,FATAL,ERR_NOMEM);
+}
+
+void set_cpouthost(ln)
+stralloc *ln;
+{
+ if (!stralloc_copy(&outhost,ln))
+ strerr_die2x(111,FATAL,ERR_NOMEM);
+}
+
+void set_cptarget(tg)
+char *tg;
+{
+ target = tg;
+}
+
+void set_cpverptarget(tg)
+char *tg;
+{
+ verptarget = tg;
+}
+
+void set_cpconfirm(cf)
+char *cf;
+{
+ confirm = cf;
+}
+
+void set_cpnum(cf)
+char *cf;
+{
+ szmsgnum = cf;
+}
+
+static struct qmail *qq;
+
+static void codeput(l,n,code,fatal)
+char *l;
+unsigned int n;
+char code;
+char *fatal;
+
+{
+ if (!code || code == 'H')
+ qmail_put(qq,l,n);
+ else {
+ if (code == 'Q')
+ encodeQ(l,n,&qline,fatal);
+ else
+ encodeB(l,n,&qline,0,fatal);
+ qmail_put(qq,qline.s,qline.len);
+ }
+}
+
+static void codeputs(l,code,fatal)
+char *l;
+char code;
+char *fatal;
+{
+ codeput(l,str_len(l),code,fatal);
+}
+
+void copy(qqp,fn,q,fatal)
+struct qmail *qqp;
+char *fn; /* text file name */
+char q; /* = '\0' for regular output, 'B' for base64, */
+ /* 'Q' for quoted printable,'H' for header */
+char *fatal; /* FATAL error string */
+
+{
+ int fd;
+ int match, done;
+ unsigned int pos,nextpos;
+
+ qq = qqp;
+ if ((fd = open_read(fn)) == -1)
+ if (errno != error_noent)
+ strerr_die4sys(111,fatal,ERR_OPEN,fn,": ");
+ else
+ strerr_die4sys(100,fatal,ERR_OPEN,fn,": ");
+ substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
+ for (;;) {
+ if (getln(&sstext,&line,&match,'\n') == -1)
+ strerr_die4sys(111,fatal,ERR_READ,fn,": ");
+ if (match) { /* suppress blank line for 'H'eader mode */
+ if (line.len == 1 && q == 'H') continue;
+ if (line.s[0] == '!') {
+ if (line.s[1] == 'R') {
+ codeput(" ",3,q,fatal);
+ codeputs(confirm,q,fatal);
+ codeput("\n",1,q,fatal);
+ continue;
+ }
+ if (line.s[1] == 'A') {
+ codeput(" ",3,q,fatal);
+ codeputs(target,q,fatal);
+ codeput("\n",1,q,fatal);
+ continue;
+ }
+ }
+ /* Find tags <#x#>. Replace with for x=R confirm, for x=A */
+ /* target, x=l outlocal, x=h outhost. For others, just */
+ /* skip tag. If outlocal/outhost are not set, the tags are*/
+ /* skipped. If confirm/taget are not set, the tags are */
+ /* replaced by "???????" */
+ pos = 0;
+ nextpos = 0;
+ done = 0;
+ outline.len = 0; /* zap outline */
+ while ((pos += byte_chr(line.s+pos,line.len-pos,'<')) != line.len) {
+ if (pos + 4 < line.len &&
+ line.s[pos+1] == '#' &&
+ line.s[pos+3] == '#' &&
+ line.s[pos+4] == '>') { /* tag. Copy first part of line */
+ done = 1; /* did something */
+ if (!stralloc_catb(&outline,line.s+nextpos,pos-nextpos))
+ die_nomem(fatal);
+ switch(line.s[pos+2]) {
+ case 'A':
+ if (q == 'H') strerr_die(111,ERR_SUBST_UNSAFE);
+ if (!stralloc_cats(&outline,target)) die_nomem(fatal);
+ break;
+ case 'R':
+ if (!stralloc_cats(&outline,confirm)) die_nomem(fatal);
+ break;
+ case 'l':
+ if (!stralloc_cat(&outline,&outlocal)) die_nomem(fatal);
+ break;
+ case 'h':
+ if (!stralloc_cat(&outline,&outhost)) die_nomem(fatal);
+ break;
+ case 't':
+ if (q == 'H') strerr_die(111,ERR_SUBST_UNSAFE);
+ if (!stralloc_cats(&outline,verptarget)) die_nomem(fatal);
+ break;
+ case 'n':
+ if (!stralloc_cats(&outline,szmsgnum)) die_nomem(fatal);
+ break;
+ default:
+ break; /* unknown tags killed */
+ }
+ pos += 5;
+ nextpos = pos;
+ } else
+ ++pos; /* try next position */
+ }
+ if (!done)
+ codeput(line.s,line.len,q,fatal);
+ else {
+ if (!stralloc_catb(&outline,line.s+nextpos,line.len-nextpos))
+ die_nomem(fatal); /* remainder */
+ codeput(outline.s,outline.len,q,fatal);
+ }
+
+ } else
+ break;
+ }
+ close(fd);
+}
+
~mdw / ezmlm / blobdiff