#include <openssl/hmac.h>
#endif
-struct store {
- /* currently open mailbox */
- const char *name; /* foreign! maybe preset? */
- char *path; /* own */
- int uidvalidity;
- unsigned char opts; /* maybe preset? */
- /* note that the following do _not_ reflect stats from msgs, but mailbox totals */
- int count; /* # of messages */
- int recent; /* # of recent messages - don't trust this beyond the initial read */
-};
-
static const char imap_send_usage[] = "git imap-send < <mbox>";
#undef DRV_OK
NULL, /* auth_method */
};
-#define NIL (void *)0x1
-#define LIST (void *)0x2
-
-struct imap_list {
- struct imap_list *next, *child;
- char *val;
- int len;
-};
-
struct imap_socket {
int fd[2];
SSL *ssl;
struct imap {
int uidnext; /* from SELECT responses */
- struct imap_list *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
unsigned caps, rcaps; /* CAPABILITY results */
/* command queue */
int nexttag, num_in_progress, literal_pending;
};
struct imap_store {
- struct store gen;
+ /* currently open mailbox */
+ const char *name; /* foreign! maybe preset? */
int uidvalidity;
struct imap *imap;
const char *prefix;
- unsigned /*currentnc:1,*/ trashnc:1;
};
struct imap_cmd_cb {
}
}
-static int is_atom(struct imap_list *list)
-{
- return list && list->val && list->val != NIL && list->val != LIST;
-}
-
-static int is_list(struct imap_list *list)
-{
- return list && list->val == LIST;
-}
-
-static void free_list(struct imap_list *list)
-{
- struct imap_list *tmp;
-
- for (; list; list = tmp) {
- tmp = list->next;
- if (is_list(list))
- free_list(list->child);
- else if (is_atom(list))
- free(list->val);
- free(list);
- }
-}
-
-static int parse_imap_list_l(struct imap *imap, char **sp, struct imap_list **curp, int level)
+static int skip_imap_list_l(char **sp, int level)
{
- struct imap_list *cur;
- char *s = *sp, *p;
- int n, bytes;
+ char *s = *sp;
for (;;) {
while (isspace((unsigned char)*s))
s++;
break;
}
- *curp = cur = xmalloc(sizeof(*cur));
- curp = &cur->next;
- cur->val = NULL; /* for clean bail */
if (*s == '(') {
/* sublist */
s++;
- cur->val = LIST;
- if (parse_imap_list_l(imap, &s, &cur->child, level + 1))
- goto bail;
- } else if (imap && *s == '{') {
- /* literal */
- bytes = cur->len = strtol(s + 1, &s, 10);
- if (*s != '}')
- goto bail;
-
- s = cur->val = xmalloc(cur->len);
-
- /* dump whats left over in the input buffer */
- n = imap->buf.bytes - imap->buf.offset;
-
- if (n > bytes)
- /* the entire message fit in the buffer */
- n = bytes;
-
- memcpy(s, imap->buf.buf + imap->buf.offset, n);
- s += n;
- bytes -= n;
-
- /* mark that we used part of the buffer */
- imap->buf.offset += n;
-
- /* now read the rest of the message */
- while (bytes > 0) {
- if ((n = socket_read(&imap->buf.sock, s, bytes)) <= 0)
- goto bail;
- s += n;
- bytes -= n;
- }
-
- if (buffer_gets(&imap->buf, &s))
+ if (skip_imap_list_l(&s, level + 1))
goto bail;
} else if (*s == '"') {
/* quoted string */
s++;
- p = s;
for (; *s != '"'; s++)
if (!*s)
goto bail;
- cur->len = s - p;
s++;
- cur->val = xmemdupz(p, cur->len);
} else {
/* atom */
- p = s;
for (; *s && !isspace((unsigned char)*s); s++)
if (level && *s == ')')
break;
- cur->len = s - p;
- if (cur->len == 3 && !memcmp("NIL", p, 3))
- cur->val = NIL;
- else
- cur->val = xmemdupz(p, cur->len);
}
if (!level)
goto bail;
}
*sp = s;
- *curp = NULL;
return 0;
bail:
- *curp = NULL;
return -1;
}
-static struct imap_list *parse_imap_list(struct imap *imap, char **sp)
+static void skip_list(char **sp)
{
- struct imap_list *head;
-
- if (!parse_imap_list_l(imap, sp, &head, 0))
- return head;
- free_list(head);
- return NULL;
-}
-
-static struct imap_list *parse_list(char **sp)
-{
- return parse_imap_list(NULL, sp);
+ skip_imap_list_l(sp, 0);
}
static void parse_capability(struct imap *imap, char *cmd)
*p++ = 0;
arg = next_arg(&s);
if (!strcmp("UIDVALIDITY", arg)) {
- if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg))) {
+ if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) {
fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n");
return RESP_BAD;
}
for (; isspace((unsigned char)*p); p++);
fprintf(stderr, "*** IMAP ALERT *** %s\n", p);
} else if (cb && cb->ctx && !strcmp("APPENDUID", arg)) {
- if (!(arg = next_arg(&s)) || !(ctx->gen.uidvalidity = atoi(arg)) ||
+ if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg)) ||
!(arg = next_arg(&s)) || !(*(int *)cb->ctx = atoi(arg))) {
fprintf(stderr, "IMAP error: malformed APPENDUID status\n");
return RESP_BAD;
}
if (!strcmp("NAMESPACE", arg)) {
- imap->ns_personal = parse_list(&cmd);
- imap->ns_other = parse_list(&cmd);
- imap->ns_shared = parse_list(&cmd);
+ /* rfc2342 NAMESPACE response. */
+ skip_list(&cmd); /* Personal mailboxes */
+ skip_list(&cmd); /* Others' mailboxes */
+ skip_list(&cmd); /* Shared mailboxes */
} else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
!strcmp("NO", arg) || !strcmp("BYE", arg)) {
if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
return resp;
- } else if (!strcmp("CAPABILITY", arg))
+ } else if (!strcmp("CAPABILITY", arg)) {
parse_capability(imap, cmd);
- else if ((arg1 = next_arg(&cmd))) {
- if (!strcmp("EXISTS", arg1))
- ctx->gen.count = atoi(arg);
- else if (!strcmp("RECENT", arg1))
- ctx->gen.recent = atoi(arg);
+ } else if ((arg1 = next_arg(&cmd))) {
+ ; /*
+ * Unhandled response-data with at least two words.
+ * Ignore it.
+ *
+ * NEEDSWORK: Previously this case handled '<num> EXISTS'
+ * and '<num> RECENT' but as a probably-unintended side
+ * effect it ignores other unrecognized two-word
+ * responses. imap-send doesn't ever try to read
+ * messages or mailboxes these days, so consider
+ * eliminating this case.
+ */
} else {
fprintf(stderr, "IMAP error: unable to parse untagged response\n");
return RESP_BAD;
imap_exec(ictx, NULL, "LOGOUT");
socket_shutdown(&imap->buf.sock);
}
- free_list(imap->ns_personal);
- free_list(imap->ns_other);
- free_list(imap->ns_shared);
free(imap);
}
-static void imap_close_store(struct store *ctx)
+static void imap_close_store(struct imap_store *ctx)
{
- imap_close_server((struct imap_store *)ctx);
+ imap_close_server(ctx);
free(ctx);
}
return 0;
}
-static struct store *imap_open_store(struct imap_server_conf *srvc)
+static struct imap_store *imap_open_store(struct imap_server_conf *srvc)
{
struct imap_store *ctx;
struct imap *imap;
} /* !preauth */
ctx->prefix = "";
- ctx->trashnc = 1;
- return (struct store *)ctx;
+ return ctx;
bail:
- imap_close_store(&ctx->gen);
+ imap_close_store(ctx);
return NULL;
}
+/*
+ * Insert CR characters as necessary in *msg to ensure that every LF
+ * character in *msg is preceded by a CR.
+ */
static void lf_to_crlf(struct strbuf *msg)
{
- size_t new_len;
char *new;
- int i, j, lfnum = 0;
-
- if (msg->buf[0] == '\n')
- lfnum++;
- for (i = 1; i < msg->len; i++) {
- if (msg->buf[i - 1] != '\r' && msg->buf[i] == '\n')
- lfnum++;
+ size_t i, j;
+ char lastc;
+
+ /* First pass: tally, in j, the size of the new string: */
+ for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
+ if (msg->buf[i] == '\n' && lastc != '\r')
+ j++; /* a CR will need to be added here */
+ lastc = msg->buf[i];
+ j++;
}
- new_len = msg->len + lfnum;
- new = xmalloc(new_len + 1);
- if (msg->buf[0] == '\n') {
- new[0] = '\r';
- new[1] = '\n';
- i = 1;
- j = 2;
- } else {
- new[0] = msg->buf[0];
- i = 1;
- j = 1;
- }
- for ( ; i < msg->len; i++) {
- if (msg->buf[i] != '\n') {
- new[j++] = msg->buf[i];
- continue;
- }
- if (msg->buf[i - 1] != '\r')
+ new = xmalloc(j + 1);
+
+ /*
+ * Second pass: write the new string. Note that this loop is
+ * otherwise identical to the first pass.
+ */
+ for (i = j = 0, lastc = '\0'; i < msg->len; i++) {
+ if (msg->buf[i] == '\n' && lastc != '\r')
new[j++] = '\r';
- /* otherwise it already had CR before */
- new[j++] = '\n';
+ lastc = new[j++] = msg->buf[i];
}
- strbuf_attach(msg, new, new_len, new_len + 1);
+ strbuf_attach(msg, new, j, j + 1);
}
/*
* Store msg to IMAP. Also detach and free the data from msg->data,
* leaving msg->data empty.
*/
-static int imap_store_msg(struct store *gctx, struct strbuf *msg)
+static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg)
{
- struct imap_store *ctx = (struct imap_store *)gctx;
struct imap *imap = ctx->imap;
struct imap_cmd_cb cb;
const char *prefix, *box;
cb.dlen = msg->len;
cb.data = strbuf_detach(msg, NULL);
- box = gctx->name;
+ box = ctx->name;
prefix = !strcmp(box, "INBOX") ? "" : ctx->prefix;
cb.create = 0;
ret = imap_exec_m(ctx, &cb, "APPEND \"%s%s\" ", prefix, box);
imap->caps = imap->rcaps;
if (ret != DRV_OK)
return ret;
- gctx->count++;
return DRV_OK;
}
{
struct strbuf all_msgs = STRBUF_INIT;
struct strbuf msg = STRBUF_INIT;
- struct store *ctx = NULL;
+ struct imap_store *ctx = NULL;
int ofs = 0;
int r;
int total, n = 0;