* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
+const uschar * rc_names[] = { /* Mostly for debug output */
+ [OK] = US"OK",
+ [DEFER] = US"DEFER",
+ [FAIL] = US"FAIL",
+ [ERROR] = US"ERROR",
+ [FAIL_FORCED] = US"FAIL_FORCED",
+ [DECLINE] = US"DECLINE",
+ [PASS] = US"PASS",
+ [DISCARD] = US"DISCARD",
+ [SKIP] = US"SKIP",
+ [REROUTED] = US"REROUTED",
+ [PANIC] = US"PANIC",
+ [BAD64] = US"BAD64",
+ [UNEXPECTED] = US"UNEXPECTED",
+ [CANCELLED] = US"CANCELLED",
+ [FAIL_SEND] = US"FAIL_SEND",
+ [FAIL_DROP] = US"FAIL_DROP"
+};
+
+
/*************************************************
* Print tree *
*************************************************/
static void
tree_printsub(tree_node *p, int pos, int barswitch)
{
-int i;
-if (p->right != NULL) tree_printsub(p->right, pos+2, 1);
-for (i = 0; i <= pos-1; i++) debug_printf("%c", tree_printline[i]);
+if (p->right) tree_printsub(p->right, pos+2, 1);
+for (int i = 0; i <= pos-1; i++) debug_printf("%c", tree_printline[i]);
debug_printf("-->%s [%d]\n", p->name, p->balance);
tree_printline[pos] = barswitch? '|' : ' ';
-if (p->left != NULL)
+if (p->left)
{
tree_printline[pos+2] = '|';
tree_printsub(p->left, pos+2, 0);
void
debug_print_tree(tree_node *p)
{
-int i;
-for (i = 0; i < tree_printlinesize; i++) tree_printline[i] = ' ';
-if (p == NULL) debug_printf("Empty Tree\n"); else tree_printsub(p, 0, 0);
+for (int i = 0; i < tree_printlinesize; i++) tree_printline[i] = ' ';
+if (!p) debug_printf("Empty Tree\n"); else tree_printsub(p, 0, 0);
debug_printf("---- End of tree ----\n");
}
debug_print_argv(const uschar ** argv)
{
debug_printf("exec");
-while (*argv != NULL) debug_printf(" %.256s", *argv++);
+while (*argv) debug_printf(" %.256s", *argv++);
debug_printf("\n");
}
void
debug_print_string(uschar *debug_string)
{
-if (debug_string == NULL) return;
+if (!debug_string) return;
HDEBUG(D_any|D_v)
{
uschar *s = expand_string(debug_string);
- if (s == NULL)
+ if (!s)
debug_printf("failed to expand debug_output \"%s\": %s\n", debug_string,
expand_string_message);
else if (s[0] != 0)
(long int)getegid());
}
+/************************************************/
+
+/* Give a string for a return-code */
+
+const uschar *
+rc_to_string(int rc)
+{
+return rc < 0 || rc >= nelem(rc_names) ? US"?" : rc_names[rc];
+}
+
+
*************************************************/
/* There are two entries, one for use when being called directly from a
-function with a variable argument list.
+function with a variable argument list, one for prepending an indent.
If debug_pid is nonzero, print the pid at the start of each line. This is for
tidier output when running parallel remote deliveries with debugging turned on.
Must do the whole thing with a single printf and flush, as otherwise output may
get interleaved. Since some calls to debug_printf() don't end with newline,
-we save up the text until we do get the newline. */
+we save up the text until we do get the newline.
+Take care to not disturb errno. */
+
+
+/* Debug printf indented by ACL nest depth */
+void
+debug_printf_indent(const char * format, ...)
+{
+va_list ap;
+va_start(ap, format);
+debug_vprintf(acl_level + expand_level, format, ap);
+va_end(ap);
+}
void
debug_printf(const char *format, ...)
{
va_list ap;
va_start(ap, format);
-debug_vprintf(format, ap);
+debug_vprintf(0, format, ap);
va_end(ap);
}
void
-debug_vprintf(const char *format, va_list ap)
+debug_vprintf(int indent, const char *format, va_list ap)
{
-if (debug_file == NULL) return;
+int save_errno = errno;
+
+if (!debug_file) return;
/* Various things can be inserted at the start of a line. Don't use the
tod_stamp() function for the timestamp, because that will overwrite the
{
DEBUG(D_timestamp)
{
- time_t now = time(NULL);
- struct tm *t = timestamps_utc? gmtime(&now) : localtime(&now);
- (void) sprintf(CS debug_ptr, "%02d:%02d:%02d ", t->tm_hour, t->tm_min,
- t->tm_sec);
- while(*debug_ptr != 0) debug_ptr++;
+ struct timeval now;
+ time_t tmp;
+ struct tm * t;
+
+ gettimeofday(&now, NULL);
+ tmp = now.tv_sec;
+ t = f.timestamps_utc ? gmtime(&tmp) : localtime(&tmp);
+ debug_ptr += sprintf(CS debug_ptr,
+ LOGGING(millisec) ? "%02d:%02d:%02d.%03d " : "%02d:%02d:%02d ",
+ t->tm_hour, t->tm_min, t->tm_sec, (int)(now.tv_usec/1000));
}
DEBUG(D_pid)
- {
- sprintf(CS debug_ptr, "%5d ", (int)getpid());
- while(*debug_ptr != 0) debug_ptr++;
- }
+ debug_ptr += sprintf(CS debug_ptr, "%5d ", (int)getpid());
/* Set up prefix if outputting for host checking and not debugging */
if (host_checking && debug_selector == 0)
{
- Ustrcpy(debug_ptr, ">>> ");
+ Ustrcpy(debug_ptr, US">>> ");
debug_ptr += 4;
}
debug_prefix_length = debug_ptr - debug_buffer;
}
-/* Use the checked formatting routine to ensure that the buffer
-does not overflow. Ensure there's space for a newline at the end. */
-
-if (!string_vformat(debug_ptr,
- sizeof(debug_buffer) - (debug_ptr - debug_buffer) - 1, format, ap))
+if (indent > 0)
{
- uschar *s = US"**** debug string too long - truncated ****\n";
- uschar *p = debug_buffer + Ustrlen(debug_buffer);
- int maxlen = sizeof(debug_buffer) - Ustrlen(s) - 3;
- if (p > debug_buffer + maxlen) p = debug_buffer + maxlen;
- if (p > debug_buffer && p[-1] != '\n') *p++ = '\n';
- Ustrcpy(p, s);
+ for (int i = indent >> 2; i > 0; i--)
+ DEBUG(D_noutf8)
+ {
+ Ustrcpy(debug_ptr, US" !");
+ debug_ptr += 4; /* 3 spaces + shriek */
+ debug_prefix_length += 4;
+ }
+ else
+ {
+ Ustrcpy(debug_ptr, US" " UTF8_VERT_2DASH);
+ debug_ptr += 6; /* 3 spaces + 3 UTF-8 octets */
+ debug_prefix_length += 6;
+ }
+
+ Ustrncpy(debug_ptr, US" ", indent &= 3);
+ debug_ptr += indent;
+ debug_prefix_length += indent;
}
-while(*debug_ptr != 0) debug_ptr++;
+/* Use the lengthchecked formatting routine to ensure that the buffer
+does not overflow. Ensure there's space for a newline at the end.
+However, use taint-unchecked routines for writing into the buffer
+so that we can write tainted info into the static debug_buffer -
+we trust that we will never expand the results. */
+
+ {
+ gstring gs = { .size = (int)sizeof(debug_buffer) - 1,
+ .ptr = debug_ptr - debug_buffer,
+ .s = debug_buffer };
+ if (!string_vformat(&gs, SVFMT_TAINT_NOCHK, format, ap))
+ {
+ uschar * s = US"**** debug string too long - truncated ****\n";
+ uschar * p = gs.s + gs.ptr;
+ int maxlen = gs.size - Ustrlen(s) - 2;
+ if (p > gs.s + maxlen) p = gs.s + maxlen;
+ if (p > gs.s && p[-1] != '\n') *p++ = '\n';
+ Ustrcpy(p, s);
+ while(*debug_ptr) debug_ptr++;
+ }
+ else
+ {
+ string_from_gstring(&gs);
+ debug_ptr = gs.s + gs.ptr;
+ }
+ }
/* Output the line if it is complete. If we added any prefix data and there
are internal newlines, make sure the prefix is on the continuation lines,
debug_ptr = debug_buffer;
debug_prefix_length = 0;
}
+errno = save_errno;
+}
+
+
+
+/* Output the details of a socket */
+
+void
+debug_print_socket(int fd)
+{
+struct stat s;
+if (fstat(fd, &s) == 0 && (s.st_mode & S_IFMT) == S_IFSOCK)
+ {
+ gstring * g = NULL;
+ int val;
+ socklen_t vlen = sizeof(val);
+ struct sockaddr a;
+ socklen_t alen = sizeof(a);
+ struct sockaddr_in * sinp = (struct sockaddr_in *)&a;
+ struct sockaddr_in6 * sin6p = (struct sockaddr_in6 *)&a;
+ struct sockaddr_un * sa_unp ; (struct sockaddr_un *)&a;
+
+ if (getsockname(fd, &a, &alen) == 0)
+ switch (sinp->sin_family)
+ {
+ case AF_INET:
+ g = string_cat(g, US" domain AF_INET");
+ g = string_fmt_append(g, " lcl [%s]:%u",
+ inet_ntoa(sinp->sin_addr), ntohs(sinp->sin_port));
+ if (getpeername(fd, &a, &alen) == 0)
+ g = string_fmt_append(g, " rmt [%s]:%u",
+ inet_ntoa(sinp->sin_addr), ntohs(sinp->sin_port));
+ break;
+ case AF_INET6:
+ {
+ uschar buf[46];
+ g = string_cat(g, US" domain AF_INET6");
+ g = string_fmt_append(g, " lcl [%s]:%u",
+ inet_ntop(AF_INET6, &sin6p->sin6_addr, CS buf, sizeof(buf)),
+ ntohs(sin6p->sin6_port));
+ if (getpeername(fd, &a, &alen) == 0)
+ g = string_fmt_append(g, " rmt [%s]:%u",
+ inet_ntop(AF_INET6, &sin6p->sin6_addr, CS buf, sizeof(buf)),
+ ntohs(sin6p->sin6_port));
+ break;
+ }
+ case AF_UNIX:
+ g = string_cat(g, US" domain AF_UNIX");
+ g = string_fmt_append(g, " lcl %s%s",
+ sa_unp->sun_path[0] ? US"" : US"@",
+ sa_unp->sun_path[0] ? sa_unp->sun_path : sa_unp->sun_path+1);
+ if (getpeername(fd, &a, &alen) == 0)
+ g = string_fmt_append(g, " rmt %s%s",
+ sa_unp->sun_path[0] ? US"" : US"@",
+ sa_unp->sun_path[0] ? sa_unp->sun_path : sa_unp->sun_path+1);
+ break;
+ default:
+ g = string_fmt_append(g, " domain %u", sinp->sin_family);
+ break;
+ }
+ if (getsockopt(fd, SOL_SOCKET, SO_TYPE, &val, &vlen) == 0)
+ switch (val)
+ {
+ case SOCK_STREAM: g = string_cat(g, US" type SOCK_STREAM"); break;
+ case SOCK_DGRAM: g = string_cat(g, US" type SOCK_DGRAM"); break;
+ default: g = string_fmt_append(g, " type %d", val); break;
+ }
+ if (getsockopt(fd, SOL_SOCKET, SO_PROTOCOL, &val, &vlen) == 0)
+ {
+ struct protoent * p = getprotobynumber(val);
+ g = p
+ ? string_fmt_append(g, " proto %s\n", p->p_name)
+ : string_fmt_append(g, " proto %d", val);
+ }
+ debug_printf_indent(" socket: %s\n", string_from_gstring(g));
+ }
+else
+ debug_printf_indent(" fd st_mode 0%o\n", s.st_mode);
}
+
/* End of debug.c */
projects / exim.git / blobdiff