match_tag(const uschar *s, const uschar *tag)
{
for (; *tag != 0; s++, tag++)
- {
if (*tag == ' ')
{
while (*s == ' ' || *s == '\t') s++;
s--;
}
- else if (tolower(*s) != tolower(*tag)) break;
- }
+ else
+ if (tolower(*s) != tolower(*tag)) break;
+
return (*tag == 0);
}
rda_exists(uschar *filename, uschar **error)
{
int rc, saved_errno;
-uschar *slash;
struct stat statbuf;
+uschar * s;
if ((rc = Ustat(filename, &statbuf)) >= 0) return FILE_EXIST;
saved_errno = errno;
-Ustrncpy(big_buffer, filename, big_buffer_size - 3);
+s = string_copy(filename);
sigalrm_seen = FALSE;
if (saved_errno == ENOENT)
{
- slash = Ustrrchr(big_buffer, '/');
- Ustrcpy(slash+1, ".");
+ uschar * slash = Ustrrchr(s, '/');
+ Ustrcpy(slash+1, US".");
ALARM(30);
- rc = Ustat(big_buffer, &statbuf);
+ rc = Ustat(s, &statbuf);
if (rc != 0 && errno == EACCES && !sigalrm_seen)
{
*slash = 0;
- rc = Ustat(big_buffer, &statbuf);
+ rc = Ustat(s, &statbuf);
}
saved_errno = errno;
ALARM_CLR(0);
- DEBUG(D_route) debug_printf("stat(%s)=%d\n", big_buffer, rc);
+ DEBUG(D_route) debug_printf("stat(%s)=%d\n", s, rc);
}
if (sigalrm_seen || rc != 0)
{
- *error = string_sprintf("failed to stat %s (%s)", big_buffer,
- sigalrm_seen? "timeout" : strerror(saved_errno));
+ *error = string_sprintf("failed to stat %s (%s)", s,
+ sigalrm_seen? "timeout" : strerror(saved_errno));
return FILE_EXIST_UNCLEAR;
}
if (rdata->pw != NULL && statbuf.st_uid == rdata->pw->pw_uid)
uid_ok = TRUE;
else if (rdata->owners != NULL)
- {
- int i;
- for (i = 1; i <= (int)(rdata->owners[0]); i++)
+ for (int i = 1; i <= (int)(rdata->owners[0]); i++)
if (rdata->owners[i] == statbuf.st_uid) { uid_ok = TRUE; break; }
- }
}
if (!gid_ok)
if (rdata->pw != NULL && statbuf.st_gid == rdata->pw->pw_gid)
gid_ok = TRUE;
else if (rdata->owngroups != NULL)
- {
- int i;
- for (i = 1; i <= (int)(rdata->owngroups[0]); i++)
+ for (int i = 1; i <= (int)(rdata->owngroups[0]); i++)
if (rdata->owngroups[i] == statbuf.st_gid) { gid_ok = TRUE; break; }
- }
}
if (!uid_ok || !gid_ok)
/* Read the file in one go in order to minimize the time we have it open. */
-filebuf = store_get(statbuf.st_size + 1);
+filebuf = store_get(statbuf.st_size + 1, is_tainted(filename));
if (fread(filebuf, 1, statbuf.st_size, fwd) != statbuf.st_size)
{
int old_expand_forbid = expand_forbid;
DEBUG(D_route) debug_printf("data is %s filter program\n",
- (*filtertype == FILTER_EXIM)? "an Exim" : "a Sieve");
+ *filtertype == FILTER_EXIM ? "an Exim" : "a Sieve");
/* RDO_FILTER is an "allow" bit */
}
expand_forbid =
- (expand_forbid & ~RDO_FILTER_EXPANSIONS) |
- (options & RDO_FILTER_EXPANSIONS);
+ expand_forbid & ~RDO_FILTER_EXPANSIONS | options & RDO_FILTER_EXPANSIONS;
/* RDO_{EXIM,SIEVE}_FILTER are forbid bits */
else
/* We know we have enough memory so disable the error on "len" */
/* coverity[tainted_data] */
- if (read(fd, *sp = store_get(len), len) != len) return FALSE;
+ /* We trust the data source, so untainted */
+ if (read(fd, *sp = store_get(len, FALSE), len) != len) return FALSE;
return TRUE;
}
/* This function is passed a forward list string (unexpanded) or the name of a
file (unexpanded) whose contents are the forwarding list. The list may in fact
be a filter program if it starts with "#Exim filter" or "#Sieve filter". Other
-types of filter, with different inital tag strings, may be introduced in due
+types of filter, with different initial tag strings, may be introduced in due
course.
The job of the function is to process the forwarding list or filter. It is
uschar *readerror = US"";
void (*oldsignal)(int);
-DEBUG(D_route) debug_printf("rda_interpret (%s): %s\n",
- (rdata->isfile)? "file" : "string", rdata->string);
+DEBUG(D_route) debug_printf("rda_interpret (%s): '%s'\n",
+ rdata->isfile ? "file" : "string", string_printing(rdata->string));
/* Do the expansions of the file name or data first, while still privileged. */
-data = expand_string(rdata->string);
-if (data == NULL)
+if (!(data = expand_string(rdata->string)))
{
if (f.expand_string_forcedfail) return FF_NOTDELIVERED;
*error = string_sprintf("failed to expand \"%s\": %s", rdata->string,
}
rdata->string = data;
-DEBUG(D_route) debug_printf("expanded: %s\n", data);
+DEBUG(D_route) debug_printf("expanded: '%s'\n", data);
if (rdata->isfile && data[0] != '/')
{
/* Pass back the contents of any syntax error blocks if we have a pointer */
- if (eblockp != NULL)
+ if (eblockp)
{
- error_block *ep;
- for (ep = *eblockp; ep != NULL; ep = ep->next)
+ for (error_block * ep = *eblockp; ep; ep = ep->next)
if ( rda_write_string(fd, ep->text1) != 0
|| rda_write_string(fd, ep->text2) != 0
)
if (f.system_filtering)
{
int i = 0;
- header_line *h;
- for (h = header_list; h != waslast->next; i++, h = h->next)
+ for (header_line * h = header_list; h != waslast->next; i++, h = h->next)
if ( h->type == htype_old
&& write(fd, &i, sizeof(i)) != sizeof(i)
)
if (yield == FF_DELIVERED || yield == FF_NOTDELIVERED ||
yield == FF_FAIL || yield == FF_FREEZE)
{
- address_item *addr;
- for (addr = *generated; addr; addr = addr->next)
+ for (address_item * addr = *generated; addr; addr = addr->next)
{
int reply_options = 0;
int ig_err = addr->prop.ignore_error ? 1 : 0;
goto bad;
if (addr->pipe_expandn)
- {
- uschar **pp;
- for (pp = addr->pipe_expandn; *pp; pp++)
+ for (uschar ** pp = addr->pipe_expandn; *pp; pp++)
if (rda_write_string(fd, *pp) != 0)
goto bad;
- }
if (rda_write_string(fd, NULL) != 0)
goto bad;
out:
(void)close(fd);
search_tidyup();
- _exit(0);
+ exim_underbar_exit(0);
bad:
DEBUG(D_rewrite) debug_printf("rda_interpret: failed write to pipe\n");
if (eblockp)
{
error_block *e;
- error_block **p;
- for (p = eblockp; ; p = &e->next)
+ for (error_block ** p = eblockp; ; p = &e->next)
{
uschar *s;
if (!rda_read_string(fd, &s)) goto DISASTER;
if (!s) break;
- e = store_get(sizeof(error_block));
+ e = store_get(sizeof(error_block), FALSE);
e->next = NULL;
e->text1 = s;
if (!rda_read_string(fd, &s)) goto DISASTER;
/* First string is the address; NULL => end of addresses */
if (!rda_read_string(fd, &recipient)) goto DISASTER;
- if (recipient == NULL) break;
+ if (!recipient) break;
/* Hang on the end of the chain */
if (i > 0)
{
- addr->pipe_expandn = store_get((i+1) * sizeof(uschar *));
+ addr->pipe_expandn = store_get((i+1) * sizeof(uschar *), FALSE);
addr->pipe_expandn[i] = NULL;
while (--i >= 0) addr->pipe_expandn[i] = expandn[i];
}
if (read(fd, &reply_options, sizeof(int)) != sizeof(int)) goto DISASTER;
if ((reply_options & REPLY_EXISTS) != 0)
{
- addr->reply = store_get(sizeof(reply_item));
+ addr->reply = store_get(sizeof(reply_item), FALSE);
addr->reply->file_expand = (reply_options & REPLY_EXPAND) != 0;
addr->reply->return_message = (reply_options & REPLY_RETURN) != 0;