Mercurial > dropbear

comparison svr-authpubkeyoptions.c @ 1599:e37f98ea4f24

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fix leak in option handling
author Matt Johnston <matt@ucc.asn.au>
date Wed, 07 Mar 2018 22:14:36 +0800
parents 252b406d0e9a
children 6a6a0bac52f4
comparison
equal deleted inserted replaced
1598:252b406d0e9a 1599:e37f98ea4f24
166 goto next_option; 166 goto next_option;
167 } 167 }
168 if (match_option(options_buf, "command=\"") == DROPBEAR_SUCCESS) { 168 if (match_option(options_buf, "command=\"") == DROPBEAR_SUCCESS) {
169 int escaped = 0; 169 int escaped = 0;
170 const unsigned char* command_start = buf_getptr(options_buf, 0); 170 const unsigned char* command_start = buf_getptr(options_buf, 0);
171
172 if (ses.authstate.pubkey_options->forced_command) {
173 /* multiple command= options */
174 goto bad_option;
175 }
176
171 while (options_buf->pos < options_buf->len) { 177 while (options_buf->pos < options_buf->len) {
172 const char c = buf_getbyte(options_buf); 178 const char c = buf_getbyte(options_buf);
173 if (!escaped && c == '"') { 179 if (!escaped && c == '"') {
174 const int command_len = buf_getptr(options_buf, 0) - command_start; 180 const int command_len = buf_getptr(options_buf, 0) - command_start;
175 ses.authstate.pubkey_options->forced_command = m_malloc(command_len); 181 ses.authstate.pubkey_options->forced_command = m_malloc(command_len);