1 /*$Id: copy.c,v 1.10 1999/08/07 19:28:16 lindberg Exp $*/
2 /*$Name: ezmlm-idx-040 $*/
4 /* Copies a file relative the current directory and substitutes */
5 /* !A at the beginning of a line for the target, */
6 /* !R at the beginning of a line for the confirm reply address, */
7 /* The following substitutions are also made. If not set, ????? */
8 /* will be printed: <#l#> outlocal */
9 /* will be printed: <#h#> outhost */
10 /* will be printed: <#n#> outmsgnum */
11 /* Other tags are killed, e.g. removed. A missing file is a */
12 /* permanent error so owner finds out ASAP. May not have access to */
13 /* maillog. Content transfer encoding is done for 'B' and 'Q'. For */
14 /* 'H' no content transfer encoding is done, but blank lines are */
15 /* suppressed. Behavior for other codes is undefined. This includes*/
16 /* lower case 'q'/'b'! If code is 'H' substitution of target and */
17 /* verptarget is prevented as it may create illegal headers. */
25 #include "readwrite.h"
32 /* for public setup functions only */
33 #define FATAL "copy: fatal: "
35 static stralloc line = {0};
36 static stralloc outline = {0};
37 static stralloc qline = {0};
38 static stralloc outlocal = {0};
39 static stralloc outhost = {0};
40 static substdio sstext;
41 static char textbuf[256];
42 static char *target = "?????";
43 static char *verptarget = "?????";
44 static char *confirm = "?????";
45 static char *szmsgnum = "?????";
47 void set_cpoutlocal(ln)
49 { /* must be quoted for safety. Note that substitutions that use */
50 /* outlocal within an atom may create illegal addresses */
51 if (!quote(&outlocal,ln))
52 strerr_die2x(111,FATAL,ERR_NOMEM);
55 void set_cpouthost(ln)
58 if (!stralloc_copy(&outhost,ln))
59 strerr_die2x(111,FATAL,ERR_NOMEM);
68 void set_cpverptarget(tg)
74 void set_cpconfirm(cf)
86 static struct qmail *qq;
88 static void codeput(l,n,code,fatal)
95 if (!code || code == 'H')
99 encodeQ(l,n,&qline,fatal);
101 encodeB(l,n,&qline,0,fatal);
102 qmail_put(qq,qline.s,qline.len);
106 static void codeputs(l,code,fatal)
111 codeput(l,str_len(l),code,fatal);
114 void copy(qqp,fn,q,fatal)
116 char *fn; /* text file name */
117 char q; /* = '\0' for regular output, 'B' for base64, */
118 /* 'Q' for quoted printable,'H' for header */
119 char *fatal; /* FATAL error string */
124 unsigned int pos,nextpos;
127 if ((fd = open_read(fn)) == -1)
128 if (errno != error_noent)
129 strerr_die4sys(111,fatal,ERR_OPEN,fn,": ");
131 strerr_die4sys(100,fatal,ERR_OPEN,fn,": ");
132 substdio_fdbuf(&sstext,read,fd,textbuf,sizeof(textbuf));
134 if (getln(&sstext,&line,&match,'\n') == -1)
135 strerr_die4sys(111,fatal,ERR_READ,fn,": ");
136 if (match) { /* suppress blank line for 'H'eader mode */
137 if (line.len == 1 && q == 'H') continue;
138 if (line.s[0] == '!') {
139 if (line.s[1] == 'R') {
140 codeput(" ",3,q,fatal);
141 codeputs(confirm,q,fatal);
142 codeput("\n",1,q,fatal);
145 if (line.s[1] == 'A') {
146 codeput(" ",3,q,fatal);
147 codeputs(target,q,fatal);
148 codeput("\n",1,q,fatal);
152 /* Find tags <#x#>. Replace with for x=R confirm, for x=A */
153 /* target, x=l outlocal, x=h outhost. For others, just */
154 /* skip tag. If outlocal/outhost are not set, the tags are*/
155 /* skipped. If confirm/taget are not set, the tags are */
156 /* replaced by "???????" */
160 outline.len = 0; /* zap outline */
161 while ((pos += byte_chr(line.s+pos,line.len-pos,'<')) != line.len) {
162 if (pos + 4 < line.len &&
163 line.s[pos+1] == '#' &&
164 line.s[pos+3] == '#' &&
165 line.s[pos+4] == '>') { /* tag. Copy first part of line */
166 done = 1; /* did something */
167 if (!stralloc_catb(&outline,line.s+nextpos,pos-nextpos))
169 switch(line.s[pos+2]) {
171 if (q == 'H') strerr_die(111,ERR_SUBST_UNSAFE);
172 if (!stralloc_cats(&outline,target)) die_nomem(fatal);
175 if (!stralloc_cats(&outline,confirm)) die_nomem(fatal);
178 if (!stralloc_cat(&outline,&outlocal)) die_nomem(fatal);
181 if (!stralloc_cat(&outline,&outhost)) die_nomem(fatal);
184 if (q == 'H') strerr_die(111,ERR_SUBST_UNSAFE);
185 if (!stralloc_cats(&outline,verptarget)) die_nomem(fatal);
188 if (!stralloc_cats(&outline,szmsgnum)) die_nomem(fatal);
191 break; /* unknown tags killed */
196 ++pos; /* try next position */
199 codeput(line.s,line.len,q,fatal);
201 if (!stralloc_catb(&outline,line.s+nextpos,line.len-nextpos))
202 die_nomem(fatal); /* remainder */
203 codeput(outline.s,outline.len,q,fatal);