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lib.h File Reference

Connection Library. More...

#include "config.h"
#include "connaccount.h"
#include "connection.h"
#include "sasl_plain.h"
#include "socket.h"
#include "sasl.h"
#include "zstrm.h"
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Functions

int mutt_ssl_starttls (struct Connection *conn)
 Negotiate TLS over an already opened connection. More...
 
int getdnsdomainname (struct Buffer *result)
 Lookup the host's name using DNS. More...
 

Detailed Description

Connection Library.

Authors
  • Richard Russon

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file lib.h.

Function Documentation

◆ mutt_ssl_starttls()

int mutt_ssl_starttls ( struct Connection conn)

Negotiate TLS over an already opened connection.

Parameters
connConnection to a server
Return values
0Success
-1Error

Definition at line 1143 of file gnutls.c.

1144 {
1145  if (tls_init() < 0)
1146  return -1;
1147 
1148  if (tls_negotiate(conn) < 0)
1149  return -1;
1150 
1151  conn->read = tls_socket_read;
1152  conn->write = tls_socket_write;
1153  conn->close = tls_starttls_close;
1154  conn->poll = tls_socket_poll;
1155 
1156  return 0;
1157 }
static int tls_init(void)
Set up Gnu TLS.
Definition: gnutls.c:91
static int tls_negotiate(struct Connection *conn)
Negotiate TLS connection.
Definition: gnutls.c:870
static int tls_starttls_close(struct Connection *conn)
Close a TLS connection - Implements Connection::close() -.
Definition: gnutls.c:1104
static int tls_socket_poll(struct Connection *conn, time_t wait_secs)
Check whether a socket read would block - Implements Connection::poll() -.
Definition: gnutls.c:986
static int tls_socket_read(struct Connection *conn, char *buf, size_t count)
Read data from a TLS socket - Implements Connection::read() -.
Definition: gnutls.c:1043
static int tls_socket_write(struct Connection *conn, const char *buf, size_t count)
Write data to a TLS socket - Implements Connection::write() -.
Definition: gnutls.c:1070
int(* poll)(struct Connection *conn, time_t wait_secs)
Definition: connection.h:106
int(* write)(struct Connection *conn, const char *buf, size_t count)
Definition: connection.h:93
int(* close)(struct Connection *conn)
Definition: connection.h:117
int(* read)(struct Connection *conn, char *buf, size_t count)
Definition: connection.h:80
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◆ getdnsdomainname()

int getdnsdomainname ( struct Buffer result)

Lookup the host's name using DNS.

Parameters
resultBuffer were result of the domain name lookup will be stored
Return values
0Success
-1Error

Definition at line 118 of file getdomain.c.

119 {
120  assert(result);
121  int rc = -1;
122 
123 #if defined(HAVE_GETADDRINFO) || defined(HAVE_GETADDRINFO_A)
124  char node[256];
125  if (gethostname(node, sizeof(node)) != 0)
126  return rc;
127 
128  struct addrinfo *lookup_result = NULL;
129  struct addrinfo hints;
130 
131  mutt_buffer_reset(result);
132  memset(&hints, 0, sizeof(struct addrinfo));
133  hints.ai_flags = AI_CANONNAME;
134  hints.ai_family = AF_UNSPEC;
135 
136 #ifdef HAVE_GETADDRINFO_A
137  lookup_result = mutt_getaddrinfo_a(node, &hints);
138 #else
139  lookup_result = mutt_getaddrinfo(node, &hints);
140 #endif
141 
142  char *hostname = NULL;
143  if (lookup_result && lookup_result->ai_canonname)
144  hostname = strchr(lookup_result->ai_canonname, '.');
145 
146  if (hostname)
147  {
148  mutt_buffer_strcpy(result, ++hostname);
149  rc = 0;
150  }
151 
152  if (lookup_result)
153  freeaddrinfo(lookup_result);
154 #endif
155 
156  return rc;
157 }
size_t mutt_buffer_strcpy(struct Buffer *buf, const char *s)
Copy a string into a Buffer.
Definition: buffer.c:310
void mutt_buffer_reset(struct Buffer *buf)
Reset an existing Buffer.
Definition: buffer.c:81
static struct addrinfo * mutt_getaddrinfo(const char *node, const struct addrinfo *hints)
Lookup the host's name using getaddrinfo()
Definition: getdomain.c:96
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