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-rw-r--r--libmailutils/address.c595
1 files changed, 595 insertions, 0 deletions
diff --git a/libmailutils/address.c b/libmailutils/address.c
new file mode 100644
index 000000000..cd151c141
--- /dev/null
+++ b/libmailutils/address.c
@@ -0,0 +1,595 @@
+/* GNU Mailutils -- a suite of utilities for electronic mail
+ Copyright (C) 1999, 2000, 2001, 2005, 2006, 2007, 2009, 2010 Free
+ Software Foundation, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library; if not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301 USA */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string.h>
+
+#include <sys/types.h>
+
+#include <mailutils/errno.h>
+#include <mailutils/mutil.h>
+#include <mailutils/parse822.h>
+#include <mailutils/address.h>
+#include <mailutils/cstr.h>
+
+/* Get email addresses from rfc822 address. */
+int
+mu_address_create_hint (mu_address_t *a, const char *s, mu_address_t hint,
+ int hflags)
+{
+ /* 'a' must exist, and can't already have been initialized
+ */
+ int status;
+
+ if (!a)
+ return MU_ERR_OUT_PTR_NULL;
+
+ if (!s)
+ return EINVAL;
+
+ *a = NULL;
+ status = mu_parse822_address_list (a, s, hint, hflags);
+ if (status == 0)
+ {
+ /* And address-list may contain 0 addresses but parse correctly.
+ */
+ if (!*a)
+ return MU_ERR_EMPTY_ADDRESS;
+
+ (*a)->addr = strdup (s);
+ if (!(*a)->addr)
+ {
+ mu_address_destroy (a);
+ return ENOMEM;
+ }
+ }
+ return status;
+}
+
+int
+mu_address_create (mu_address_t *a, const char *s)
+{
+ struct mu_address hint;
+ const char *d;
+ mu_get_user_email_domain (&d);
+ hint.domain = (char*) d;
+ return mu_address_create_hint (a, s, &hint, MU_ADDR_HINT_DOMAIN);
+}
+
+/* Get email addresses from array of rfc822 addresses.
+ FIXME: No hints? */
+int
+mu_address_createv (mu_address_t *a, const char *sv[], size_t len)
+{
+ int status = 0;
+ size_t buflen = 0;
+ char *buf = 0;
+ size_t i;
+
+ if (!a)
+ return MU_ERR_OUT_PTR_NULL;
+
+ if (!sv)
+ return EINVAL;
+
+ if (len == (size_t) - 1)
+ {
+ const char **vp = sv;
+
+ len = 0;
+
+ for (len = 0; *vp; vp++, len++)
+ ;
+ }
+
+ if (len == 0)
+ return EINVAL;
+
+ for (i = 0; i < len; i++)
+ {
+ /* NULL strings are allowed */
+ if (sv[i])
+ buflen += strlen (sv[i]);
+ }
+
+ buflen += (len - 1) * strlen (", ");
+ buflen += 1; /* Termination null. */
+
+ buf = malloc (buflen);
+
+ if (!buf)
+ return ENOMEM;
+
+ for (i = 0, buf[0] = '\0'; i < len; i++)
+ {
+ if (i != 0)
+ strcat (buf, ", ");
+
+ if (sv[i])
+ strcat (buf, sv[i]);
+ }
+
+ status = mu_address_create (a, buf);
+
+ free (buf);
+
+ return status;
+}
+
+void
+mu_address_destroy (mu_address_t *paddress)
+{
+ if (paddress && *paddress)
+ {
+ mu_address_t address = *paddress;
+ mu_address_t current;
+ for (; address; address = current)
+ {
+ if (address->addr)
+ free (address->addr);
+ if (address->comments)
+ free (address->comments);
+ if (address->personal)
+ free (address->personal);
+ if (address->email)
+ free (address->email);
+ if (address->local_part)
+ free (address->local_part);
+ if (address->domain)
+ free (address->domain);
+ if (address->route)
+ free (address->route);
+ current = address->next;
+ free (address);
+ }
+ *paddress = NULL;
+ }
+}
+
+int
+mu_address_concatenate (mu_address_t to, mu_address_t *from)
+{
+ if (!to || !from || !*from)
+ return EINVAL;
+
+ while (to->next)
+ to = to->next;
+
+ assert (to && !to->next);
+
+ to->next = *from;
+ *from = NULL;
+
+ /* discard the current string cache as it is now inaccurate */
+ if (to->addr)
+ {
+ free (to->addr);
+ to->addr = NULL;
+ }
+
+ to = to->next;
+
+ /* only the first address must have a cache */
+ if (to->addr)
+ {
+ free (to->addr);
+ to->addr = NULL;
+ }
+
+ return 0;
+}
+
+mu_address_t
+_address_get_nth (mu_address_t addr, size_t no)
+{
+ int i;
+
+ for (i = 1; addr; addr = addr->next, i++)
+ if (i == no)
+ break;
+ return addr;
+}
+
+int
+mu_address_get_nth (mu_address_t addr, size_t no, mu_address_t *pret)
+{
+ mu_address_t subaddr = _address_get_nth (addr, no);
+ if (!subaddr)
+ return MU_ERR_NOENT;
+ *pret = mu_address_dup (subaddr);
+ return 0;
+}
+
+
+/* General accessors: */
+#define AC4(a,b,c,d) a ## b ## c ## d
+#define ACCESSOR(action,field) AC4(mu_address_,action,_,field)
+
+#define DECL_SET(field) \
+int \
+ACCESSOR(set, field) (mu_address_t addr, size_t no, const char *buf) \
+{ \
+ char *s; \
+ mu_address_t subaddr; \
+ \
+ if (addr == NULL) \
+ return EINVAL; \
+ \
+ subaddr = _address_get_nth (addr, no); \
+ if (!subaddr) \
+ return MU_ERR_NOENT; \
+ \
+ s = strdup (buf); \
+ if (!s) \
+ return errno; \
+ \
+ free (subaddr->field); \
+ subaddr->field = s; \
+ \
+ return 0; \
+}
+
+#define DECL_SGET(field) \
+int \
+ACCESSOR(sget,field) (mu_address_t addr, size_t no, char const **sptr) \
+{ \
+ mu_address_t subaddr; \
+ \
+ if (addr == NULL) \
+ return EINVAL; \
+ \
+ subaddr = _address_get_nth (addr, no); \
+ if (!subaddr) \
+ return MU_ERR_NOENT; \
+ *sptr = subaddr->field; \
+ return 0; \
+}
+
+#define DECL_GET(field) \
+int \
+ACCESSOR(get,field) (mu_address_t addr, size_t no, char *buf, size_t len, \
+ size_t *n) \
+{ \
+ size_t i; \
+ const char *str; \
+ int status = ACCESSOR(sget, field) (addr, no, &str); \
+ \
+ if (status) \
+ return status; \
+ \
+ i = mu_cpystr (buf, str, len); \
+ if (n) \
+ *n = i; \
+ return 0; \
+}
+
+#define DECL_AGET(field) \
+int \
+ACCESSOR(aget, field) (mu_address_t addr, size_t no, char **buf) \
+{ \
+ const char *str; \
+ int status = ACCESSOR(sget, field) (addr, no, &str); \
+ \
+ if (status) \
+ return status; \
+ \
+ if (str) \
+ { \
+ *buf = strdup (str); \
+ if (!*buf) \
+ status = ENOMEM; \
+ } \
+ else \
+ *buf = NULL; \
+ return status; \
+}
+
+#define DECL_ACCESSORS(field) \
+DECL_SET(field) \
+DECL_SGET(field) \
+DECL_GET(field) \
+DECL_AGET(field)
+
+
+
+/* Personal part */
+DECL_ACCESSORS(personal)
+/* Comments */
+DECL_ACCESSORS(comments)
+/* Email */
+DECL_ACCESSORS(email)
+/* Local part */
+DECL_ACCESSORS(local_part)
+/* Domain */
+DECL_ACCESSORS(domain)
+/* Route */
+DECL_ACCESSORS(route)
+
+
+
+#define format_char(c) do {\
+ if (buflen) \
+ {\
+ *buf++ = c;\
+ buflen--;\
+ }\
+ else\
+ rc++;\
+} while(0)
+
+#define format_string(str) do {\
+ if (buflen) \
+ {\
+ int n = snprintf (buf, buflen, "%s", str);\
+ buf += n;\
+ buflen -= n;\
+ }\
+ else\
+ rc += strlen (str);\
+} while (0)
+
+size_t
+mu_address_format_string (mu_address_t addr, char *buf, size_t buflen)
+{
+ int rc = 0;
+ int comma = 0;
+
+ for (;addr; addr = addr->next)
+ {
+ if (addr->email)
+ {
+ int space = 0;
+
+ if (comma)
+ format_char (',');
+
+ if (addr->personal)
+ {
+ format_char ('"');
+ format_string (addr->personal);
+ format_char ('"');
+ space++;
+ }
+
+ if (addr->comments)
+ {
+ if (space)
+ format_char (' ');
+ format_char ('(');
+ format_string (addr->comments);
+ format_char (')');
+ space++;
+ }
+
+ if (space)
+ format_char (' ');
+ format_char ('<');
+ format_string (addr->email);
+ format_char ('>');
+ comma++;
+ }
+ }
+ format_char (0);
+ return rc;
+}
+
+static int
+_address_is_group (mu_address_t addr)
+{
+ if (addr->personal && !addr->local_part && !addr->domain)
+ return 1;
+ return 0;
+}
+
+static int
+_address_is_email (mu_address_t addr)
+{
+ if (addr->email)
+ return 1;
+ return 0;
+}
+
+static int
+_address_is_unix_mailbox (mu_address_t addr)
+{
+ if (addr->local_part && !addr->email)
+ return 1;
+ return 0;
+}
+
+int
+mu_address_is_group (mu_address_t addr, size_t no, int *yes)
+{
+ mu_address_t subaddr;
+
+ if (addr == NULL)
+ return EINVAL;
+
+ subaddr = _address_get_nth (addr, no);
+ if (!subaddr)
+ return MU_ERR_NOENT;
+
+ if (yes)
+ *yes = _address_is_group (subaddr);
+ return 0;
+}
+
+int
+mu_address_to_string (mu_address_t addr, char *buf, size_t len, size_t *n)
+{
+ size_t i;
+ if (addr == NULL)
+ return EINVAL;
+ if (buf)
+ *buf = '\0';
+
+ if (!addr->addr)
+ {
+ i = mu_address_format_string (addr, NULL, 0);
+ addr->addr = malloc (i + 1);
+ if (!addr->addr)
+ return ENOMEM;
+ mu_address_format_string (addr, addr->addr, i+1);
+ }
+
+ i = mu_cpystr (buf, addr->addr, len);
+ if (n)
+ *n = i;
+ return 0;
+}
+
+int
+mu_address_get_count (mu_address_t addr, size_t *pcount)
+{
+ size_t j;
+ for (j = 0; addr; addr = addr->next, j++)
+ ;
+ if (pcount)
+ *pcount = j;
+ return 0;
+}
+
+int
+mu_address_get_group_count (mu_address_t addr, size_t *pcount)
+{
+ size_t j;
+ for (j = 0; addr; addr = addr->next)
+ {
+ if (_address_is_group (addr))
+ j++;
+ }
+ if (pcount)
+ *pcount = j;
+ return 0;
+}
+
+int
+mu_address_get_email_count (mu_address_t addr, size_t *pcount)
+{
+ size_t j;
+ for (j = 0; addr; addr = addr->next)
+ {
+ if (_address_is_email (addr))
+ j++;
+ }
+ if (pcount)
+ *pcount = j;
+ return 0;
+}
+
+int
+mu_address_get_unix_mailbox_count (mu_address_t addr, size_t *pcount)
+{
+ size_t j;
+ for (j = 0; addr; addr = addr->next)
+ {
+ if (_address_is_unix_mailbox (addr))
+ j++;
+ }
+ if (pcount)
+ *pcount = j;
+ return 0;
+}
+
+int
+mu_address_contains_email (mu_address_t addr, const char *email)
+{
+ for (; addr; addr = addr->next)
+ if (mu_c_strcasecmp (addr->email, email) == 0)
+ return 1;
+ return 0;
+}
+
+mu_address_t
+mu_address_dup (mu_address_t src)
+{
+ mu_address_t dst = calloc (1, sizeof (*dst));
+
+ if (!dst)
+ return NULL;
+
+ /* FIXME: How about:
+ if (src->addr)
+ dst->addr = strdup (src->addr);
+ ?
+ */
+ if (src->comments)
+ dst->comments = strdup (src->comments);
+ if (src->personal)
+ dst->personal = strdup (src->personal);
+ if (src->email)
+ dst->email = strdup (src->email);
+ if (src->local_part)
+ dst->local_part = strdup (src->local_part);
+ if (src->domain)
+ dst->domain = strdup (src->domain);
+ if (src->route)
+ dst->route = strdup (src->route);
+
+ return dst;
+}
+
+int
+mu_address_union (mu_address_t *a, mu_address_t b)
+{
+ mu_address_t last = NULL;
+
+ if (!a || !b)
+ return EINVAL;
+
+ if (!*a)
+ {
+ *a = mu_address_dup (b);
+ if (!*a)
+ return ENOMEM;
+ last = *a;
+ b = b->next;
+ }
+ else
+ {
+ if ((*a)->addr)
+ {
+ free ((*a)->addr);
+ (*a)->addr = NULL;
+ }
+ for (last = *a; last->next; last = last->next)
+ ;
+ }
+
+ for (; b; b = b->next)
+ if (!mu_address_contains_email (*a, b->email))
+ {
+ mu_address_t next = mu_address_dup (b);
+ if (!next)
+ return ENOMEM;
+ last->next = next;
+ last = next;
+ }
+ return 0;
+}
+

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