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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 "zstrm.h"
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Go to the source code of this file.

Functions

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

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 1144 of file gnutls.c.

1145{
1146 if (tls_init() < 0)
1147 return -1;
1148
1149 if (tls_negotiate(conn) < 0)
1150 return -1;
1151
1152 conn->read = tls_socket_read;
1153 conn->write = tls_socket_write;
1154 conn->close = tls_starttls_close;
1155 conn->poll = tls_socket_poll;
1156
1157 return 0;
1158}
static int tls_init(void)
Set up Gnu TLS.
Definition: gnutls.c:92
static int tls_negotiate(struct Connection *conn)
Negotiate TLS connection.
Definition: gnutls.c:871
static int tls_starttls_close(struct Connection *conn)
Close a TLS connection - Implements Connection::close() -.
Definition: gnutls.c:1105
static int tls_socket_poll(struct Connection *conn, time_t wait_secs)
Check if any data is waiting on a socket - Implements Connection::poll() -.
Definition: gnutls.c:987
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:1044
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:1071
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 122 of file getdomain.c.

123{
124 assert(result);
125 int rc = -1;
126
127#if defined(HAVE_GETADDRINFO) || defined(HAVE_GETADDRINFO_A)
128 char node[256] = { 0 };
129 if (gethostname(node, sizeof(node)) != 0)
130 return rc;
131
132 struct addrinfo *lookup_result = NULL;
133 struct addrinfo hints = { 0 };
134
135 buf_reset(result);
136 hints.ai_flags = AI_CANONNAME;
137 hints.ai_family = AF_UNSPEC;
138
139#ifdef HAVE_GETADDRINFO_A
140 lookup_result = mutt_getaddrinfo_a(node, &hints);
141#else
142 lookup_result = mutt_getaddrinfo(node, &hints);
143#endif
144
145 if (lookup_result && lookup_result->ai_canonname)
146 {
147 const char *hostname = strchr(lookup_result->ai_canonname, '.');
148 if (hostname && hostname[1] != '\0')
149 {
150 buf_strcpy(result, ++hostname);
151 rc = 0;
152 }
153 }
154
155 if (lookup_result)
156 freeaddrinfo(lookup_result);
157#endif
158
159 return rc;
160}
void buf_reset(struct Buffer *buf)
Reset an existing Buffer.
Definition: buffer.c:88
size_t buf_strcpy(struct Buffer *buf, const char *s)
Copy a string into a Buffer.
Definition: buffer.c:407
static struct addrinfo * mutt_getaddrinfo(const char *node, const struct addrinfo *hints)
Lookup the host's name using getaddrinfo()
Definition: getdomain.c:100
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