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IMAP/POP3/SMTP: use a per-connection sub-structure for SASL parameters.

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This commit is contained in:
Patrick Monnerat 2015-01-20 14:14:26 +01:00
parent 960b04e137
commit 5f09cbcdbd
7 changed files with 176 additions and 173 deletions
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104
lib/imap.c
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@ -471,9 +471,9 @@ static CURLcode imap_perform_capability(struct connectdata *conn)
CURLcode result = CURLE_OK;
struct imap_conn *imapc = &conn->proto.imapc;
imapc->authmechs = 0; /* No known authentication mechanisms yet */
imapc->authused = 0; /* Clear the authentication mechanism used */
imapc->tls_supported = FALSE; /* Clear the TLS capability */
imapc->sasl.authmechs = SASL_AUTH_NONE; /* No known auth. mechanisms yet */
imapc->sasl.authused = SASL_AUTH_NONE; /* Clear the auth. mechanism used */
imapc->tls_supported = FALSE; /* Clear the TLS capability */
/* Send the CAPABILITY command */
result = imap_sendf(conn, "CAPABILITY");
@ -919,21 +919,21 @@ static CURLcode imap_state_capability_resp(struct connectdata *conn,
/* Test the word for a matching authentication mechanism */
if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_LOGIN))
imapc->authmechs |= SASL_MECH_LOGIN;
imapc->sasl.authmechs |= SASL_MECH_LOGIN;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_PLAIN))
imapc->authmechs |= SASL_MECH_PLAIN;
imapc->sasl.authmechs |= SASL_MECH_PLAIN;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_CRAM_MD5))
imapc->authmechs |= SASL_MECH_CRAM_MD5;
imapc->sasl.authmechs |= SASL_MECH_CRAM_MD5;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_DIGEST_MD5))
imapc->authmechs |= SASL_MECH_DIGEST_MD5;
imapc->sasl.authmechs |= SASL_MECH_DIGEST_MD5;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_GSSAPI))
imapc->authmechs |= SASL_MECH_GSSAPI;
imapc->sasl.authmechs |= SASL_MECH_GSSAPI;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_EXTERNAL))
imapc->authmechs |= SASL_MECH_EXTERNAL;
imapc->sasl.authmechs |= SASL_MECH_EXTERNAL;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_NTLM))
imapc->authmechs |= SASL_MECH_NTLM;
imapc->sasl.authmechs |= SASL_MECH_NTLM;
else if(sasl_mech_equal(line, wordlen, SASL_MECH_STRING_XOAUTH2))
imapc->authmechs |= SASL_MECH_XOAUTH2;
imapc->sasl.authmechs |= SASL_MECH_XOAUTH2;
}
line += wordlen;
@ -1321,7 +1321,7 @@ static CURLcode imap_state_auth_gssapi_resp(struct connectdata *conn,
/* Create the initial response message */
result = Curl_sasl_create_gssapi_user_message(data, conn->user,
conn->passwd, "imap",
imapc->mutual_auth,
imapc->sasl.mutual_auth,
NULL, &conn->krb5,
&respmsg, &len);
if(!result && respmsg) {
@ -1360,11 +1360,11 @@ static CURLcode imap_state_auth_gssapi_token_resp(struct connectdata *conn,
/* Get the challenge message */
imap_get_message(data->state.buffer, &chlgmsg);
if(imapc->mutual_auth)
if(imapc->sasl.mutual_auth)
/* Decode the user token challenge and create the optional response
message */
result = Curl_sasl_create_gssapi_user_message(data, NULL, NULL, NULL,
imapc->mutual_auth,
imapc->sasl.mutual_auth,
chlgmsg, &conn->krb5,
&respmsg, &len);
else
@ -1390,8 +1390,8 @@ static CURLcode imap_state_auth_gssapi_token_resp(struct connectdata *conn,
result = Curl_pp_sendf(&imapc->pp, "%s", "");
if(!result)
state(conn, (imapc->mutual_auth ? IMAP_AUTHENTICATE_GSSAPI_NO_DATA :
IMAP_AUTHENTICATE_FINAL));
state(conn, imapc->sasl.mutual_auth? IMAP_AUTHENTICATE_GSSAPI_NO_DATA:
IMAP_AUTHENTICATE_FINAL);
}
}
@ -1504,7 +1504,7 @@ static CURLcode imap_state_auth_cancel_resp(struct connectdata *conn,
(void)instate; /* no use for this yet */
/* Remove the offending mechanism from the supported list */
imapc->authmechs ^= imapc->authused;
imapc->sasl.authmechs ^= imapc->sasl.authused;
/* Calculate alternative SASL login details */
result = imap_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
@ -2061,7 +2061,7 @@ static CURLcode imap_connect(struct connectdata *conn, bool *done)
/* Set the default preferred authentication type and mechanism */
imapc->preftype = IMAP_TYPE_ANY;
imapc->prefmech = SASL_AUTH_ANY;
imapc->sasl.prefmech = SASL_AUTH_ANY;
/* Initialise the pingpong layer */
Curl_pp_init(pp);
@ -2274,7 +2274,7 @@ static CURLcode imap_disconnect(struct connectdata *conn, bool dead_connection)
Curl_pp_disconnect(&imapc->pp);
/* Cleanup the SASL module */
Curl_sasl_cleanup(conn, imapc->authused);
Curl_sasl_cleanup(conn, imapc->sasl.authused);
/* Cleanup our connection based variables */
Curl_safefree(imapc->mailbox);
@ -2565,7 +2565,7 @@ static CURLcode imap_parse_url_options(struct connectdata *conn)
if(reset) {
reset = FALSE;
imapc->preftype = IMAP_TYPE_NONE;
imapc->prefmech = SASL_AUTH_NONE;
imapc->sasl.prefmech = SASL_AUTH_NONE;
}
while(*ptr && *ptr != ';') {
@ -2575,35 +2575,35 @@ static CURLcode imap_parse_url_options(struct connectdata *conn)
if(strnequal(value, "*", len)) {
imapc->preftype = IMAP_TYPE_ANY;
imapc->prefmech = SASL_AUTH_ANY;
imapc->sasl.prefmech = SASL_AUTH_ANY;
}
else if(strnequal(value, SASL_MECH_STRING_LOGIN, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_LOGIN;
imapc->sasl.prefmech |= SASL_MECH_LOGIN;
}
else if(strnequal(value, SASL_MECH_STRING_PLAIN, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_PLAIN;
imapc->sasl.prefmech |= SASL_MECH_PLAIN;
}
else if(strnequal(value, SASL_MECH_STRING_CRAM_MD5, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_CRAM_MD5;
imapc->sasl.prefmech |= SASL_MECH_CRAM_MD5;
}
else if(strnequal(value, SASL_MECH_STRING_DIGEST_MD5, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_DIGEST_MD5;
imapc->sasl.prefmech |= SASL_MECH_DIGEST_MD5;
}
else if(strnequal(value, SASL_MECH_STRING_GSSAPI, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_GSSAPI;
imapc->sasl.prefmech |= SASL_MECH_GSSAPI;
}
else if(strnequal(value, SASL_MECH_STRING_NTLM, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_NTLM;
imapc->sasl.prefmech |= SASL_MECH_NTLM;
}
else if(strnequal(value, SASL_MECH_STRING_XOAUTH2, len)) {
imapc->preftype = IMAP_TYPE_SASL;
imapc->prefmech |= SASL_MECH_XOAUTH2;
imapc->sasl.prefmech |= SASL_MECH_XOAUTH2;
}
if(*ptr == ';')
@ -2803,46 +2803,46 @@ static CURLcode imap_calc_sasl_details(struct connectdata *conn,
/* Calculate the supported authentication mechanism, by decreasing order of
security, as well as the initial response where appropriate */
#if defined(USE_KERBEROS5)
if((imapc->authmechs & SASL_MECH_GSSAPI) &&
(imapc->prefmech & SASL_MECH_GSSAPI)) {
imapc->mutual_auth = FALSE; /* TODO: Calculate mutual authentication */
if((imapc->sasl.authmechs & SASL_MECH_GSSAPI) &&
(imapc->sasl.prefmech & SASL_MECH_GSSAPI)) {
imapc->sasl.mutual_auth = FALSE; /* TODO: Calculate mutual auth. */
*mech = SASL_MECH_STRING_GSSAPI;
*state1 = IMAP_AUTHENTICATE_GSSAPI;
*state2 = IMAP_AUTHENTICATE_GSSAPI_TOKEN;
imapc->authused = SASL_MECH_GSSAPI;
imapc->sasl.authused = SASL_MECH_GSSAPI;
if(imapc->ir_supported || data->set.sasl_ir)
result = Curl_sasl_create_gssapi_user_message(data, conn->user,
conn->passwd, "imap",
imapc->mutual_auth,
imapc->sasl.mutual_auth,
NULL, &conn->krb5,
initresp, len);
}
else
#endif
#ifndef CURL_DISABLE_CRYPTO_AUTH
if((imapc->authmechs & SASL_MECH_DIGEST_MD5) &&
(imapc->prefmech & SASL_MECH_DIGEST_MD5)) {
if((imapc->sasl.authmechs & SASL_MECH_DIGEST_MD5) &&
(imapc->sasl.prefmech & SASL_MECH_DIGEST_MD5)) {
*mech = SASL_MECH_STRING_DIGEST_MD5;
*state1 = IMAP_AUTHENTICATE_DIGESTMD5;
imapc->authused = SASL_MECH_DIGEST_MD5;
imapc->sasl.authused = SASL_MECH_DIGEST_MD5;
}
else if((imapc->authmechs & SASL_MECH_CRAM_MD5) &&
(imapc->prefmech & SASL_MECH_CRAM_MD5)) {
else if((imapc->sasl.authmechs & SASL_MECH_CRAM_MD5) &&
(imapc->sasl.prefmech & SASL_MECH_CRAM_MD5)) {
*mech = SASL_MECH_STRING_CRAM_MD5;
*state1 = IMAP_AUTHENTICATE_CRAMMD5;
imapc->authused = SASL_MECH_CRAM_MD5;
imapc->sasl.authused = SASL_MECH_CRAM_MD5;
}
else
#endif
#ifdef USE_NTLM
if((imapc->authmechs & SASL_MECH_NTLM) &&
(imapc->prefmech & SASL_MECH_NTLM)) {
if((imapc->sasl.authmechs & SASL_MECH_NTLM) &&
(imapc->sasl.prefmech & SASL_MECH_NTLM)) {
*mech = SASL_MECH_STRING_NTLM;
*state1 = IMAP_AUTHENTICATE_NTLM;
*state2 = IMAP_AUTHENTICATE_NTLM_TYPE2MSG;
imapc->authused = SASL_MECH_NTLM;
imapc->sasl.authused = SASL_MECH_NTLM;
if(imapc->ir_supported || data->set.sasl_ir)
result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
@ -2851,35 +2851,35 @@ static CURLcode imap_calc_sasl_details(struct connectdata *conn,
}
else
#endif
if(((imapc->authmechs & SASL_MECH_XOAUTH2) &&
(imapc->prefmech & SASL_MECH_XOAUTH2) &&
(imapc->prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
if(((imapc->sasl.authmechs & SASL_MECH_XOAUTH2) &&
(imapc->sasl.prefmech & SASL_MECH_XOAUTH2) &&
(imapc->sasl.prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
*mech = SASL_MECH_STRING_XOAUTH2;
*state1 = IMAP_AUTHENTICATE_XOAUTH2;
*state2 = IMAP_AUTHENTICATE_FINAL;
imapc->authused = SASL_MECH_XOAUTH2;
imapc->sasl.authused = SASL_MECH_XOAUTH2;
if(imapc->ir_supported || data->set.sasl_ir)
result = Curl_sasl_create_xoauth2_message(data, conn->user,
conn->xoauth2_bearer,
initresp, len);
}
else if((imapc->authmechs & SASL_MECH_LOGIN) &&
(imapc->prefmech & SASL_MECH_LOGIN)) {
else if((imapc->sasl.authmechs & SASL_MECH_LOGIN) &&
(imapc->sasl.prefmech & SASL_MECH_LOGIN)) {
*mech = SASL_MECH_STRING_LOGIN;
*state1 = IMAP_AUTHENTICATE_LOGIN;
*state2 = IMAP_AUTHENTICATE_LOGIN_PASSWD;
imapc->authused = SASL_MECH_LOGIN;
imapc->sasl.authused = SASL_MECH_LOGIN;
if(imapc->ir_supported || data->set.sasl_ir)
result = Curl_sasl_create_login_message(data, conn->user, initresp, len);
}
else if((imapc->authmechs & SASL_MECH_PLAIN) &&
(imapc->prefmech & SASL_MECH_PLAIN)) {
else if((imapc->sasl.authmechs & SASL_MECH_PLAIN) &&
(imapc->sasl.prefmech & SASL_MECH_PLAIN)) {
*mech = SASL_MECH_STRING_PLAIN;
*state1 = IMAP_AUTHENTICATE_PLAIN;
*state2 = IMAP_AUTHENTICATE_FINAL;
imapc->authused = SASL_MECH_PLAIN;
imapc->sasl.authused = SASL_MECH_PLAIN;
if(imapc->ir_supported || data->set.sasl_ir)
result = Curl_sasl_create_plain_message(data, conn->user, conn->passwd,