diff options
author | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-03 15:48:04 +0200 |
---|---|---|
committer | Jannis Hoffmann <jannis@fehcom.de> | 2024-07-03 15:48:04 +0200 |
commit | 89b7b67a13ebb7965cc7f13ad0595e2194a2d34c (patch) | |
tree | 25efd77a90ae87236e6730d8ea3846bbe0fd126f /src/printforward.c |
add sqmail-4.2.29asqmail-4.2
Diffstat (limited to 'src/printforward.c')
-rw-r--r-- | src/printforward.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/printforward.c b/src/printforward.c new file mode 100644 index 0000000..0ab7ad9 --- /dev/null +++ b/src/printforward.c @@ -0,0 +1,142 @@ +#include <unistd.h> +#include "buffer.h" +#include "logmsg.h" +#include "stralloc.h" +#include "cdbread.h" + +#define WHO "printmaillist" + +void badformat() +{ + logmsg(WHO,100,FATAL,"bad database format"); +} +void nomem() +{ + logmsg(WHO,111,FATAL,"out of memory"); +} + +void getch(char *ch) +{ + int r; + r = buffer_get(buffer_0small,ch,1); + if (r == -1) + logmsg(WHO,111,FATAL,"unable to read input"); + if (r == 0) + badformat(); +} + +void out(char *ch) +{ + if (buffer_put(buffer_1small,ch,1) == -1) + logmsg(WHO,111,FATAL,"unable to write output"); +} + +void printbuf(char *buf) +{ + while (*buf) + out(buf++); +} + +void printsafe(char *buf,int len) +{ + char ch; + + while (len) { + ch = *buf; + if ((ch <= 32) || (ch == ',') || (ch == ':') || (ch == ';') || (ch == '\\') || (ch == '#')) + out("\\"); + out(&ch); + ++buf; + --len; + } +} + +stralloc key = {0}; +stralloc data = {0}; + +int main() +{ + uint32 eod; + uint32 pos; + uint32 klen; + uint32 dlen; + char buf[8]; + char ch; + int i; + int j; + + for (i = 0; i < 4; ++i) + getch(buf + i); + eod = cdb_unpack(buf); + + for (i = 4; i < 2048; ++i) + getch(&ch); + + pos = 2048; + while (pos < eod) { + if (eod - pos < 8) badformat(); + pos += 8; + for (i = 0; i < 8; ++i) getch(buf + i); + klen = cdb_unpack(buf); + dlen = cdb_unpack(buf + 4); + + if (!stralloc_copys(&key,"")) nomem(); + if (eod - pos < klen) badformat(); + pos += klen; + while (klen) { + --klen; + getch(&ch); + if (!stralloc_append(&key,&ch)) nomem(); + } + + if (eod - pos < dlen) badformat(); + pos += dlen; + if (!stralloc_copys(&data,"")) nomem(); + while (dlen) { + --dlen; + getch(&ch); + if (!stralloc_append(&data,&ch)) nomem(); + } + + if (!key.len) badformat(); + if (key.s[0] == '?') { + printsafe(key.s + 1,key.len - 1); + printbuf(": ?"); + printsafe(data.s,data.len); + printbuf(";\n"); + } + else if (key.s[0] == ':') { + printsafe(key.s + 1,key.len - 1); + printbuf(":\n"); + + i = 0; + for (j = 0; j < data.len; ++j) + if (!data.s[j]) { + if ((data.s[i] == '.') || (data.s[i] == '/')) { + printbuf(", "); + printsafe(data.s + i,j - i); + printbuf("\n"); + } + else if ((data.s[i] == '|') || (data.s[i] == '!')) { + printbuf(", "); + printsafe(data.s + i,j - i); + printbuf("\n"); + } + else if ((data.s[i] == '&') && (j - i < 900)) { + printbuf(", "); + printsafe(data.s + i,j - i); + printbuf("\n"); + } + else badformat(); + i = j + 1; + } + if (i != j) badformat(); + printbuf(";\n"); + } + else badformat(); + } + + if (buffer_flush(buffer_1small) == -1) + logmsg(WHO,111,FATAL,"unable to write output"); + _exit(0); +} |