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don't exit encountering short lines

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Matt Johnston 2017-05-25 00:10:18 +08:00
parent 6e0b539e9c
commit fb4e07f7a8
1 changed files with 4 additions and 0 deletions
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4
svr-authpubkey.c
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@ -200,6 +200,10 @@ static int checkpubkey_line(buffer* line, int line_num, char* filename,
return DROPBEAR_FAILURE; /* line is too short for it to be a valid key */ return DROPBEAR_FAILURE; /* line is too short for it to be a valid key */
} }
/* compare the algorithm. +3 so we have enough bytes to read a space and some base64 characters too. */
if (line->pos + algolen+3 > line->len) {
goto out;
}
/* check the key type */ /* check the key type */
if (strncmp((const char *) buf_getptr(line, algolen), algo, algolen) != 0) { if (strncmp((const char *) buf_getptr(line, algolen), algo, algolen) != 0) {
int is_comment = 0; int is_comment = 0;