diff options
Diffstat (limited to 'crypto/openssh/misc.c')
| -rw-r--r-- | crypto/openssh/misc.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/crypto/openssh/misc.c b/crypto/openssh/misc.c index 8cb411ccc92b6..2e366f81b2700 100644 --- a/crypto/openssh/misc.c +++ b/crypto/openssh/misc.c @@ -23,7 +23,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: misc.c,v 1.25 2004/08/11 21:43:05 avsm Exp $"); +RCSID("$OpenBSD: misc.c,v 1.28 2005/03/01 10:09:52 djm Exp $"); #include "misc.h" #include "log.h" @@ -275,6 +275,48 @@ convtime(const char *s) return total; } +/* + * Search for next delimiter between hostnames/addresses and ports. + * Argument may be modified (for termination). + * Returns *cp if parsing succeeds. + * *cp is set to the start of the next delimiter, if one was found. + * If this is the last field, *cp is set to NULL. + */ +char * +hpdelim(char **cp) +{ + char *s, *old; + + if (cp == NULL || *cp == NULL) + return NULL; + + old = s = *cp; + if (*s == '[') { + if ((s = strchr(s, ']')) == NULL) + return NULL; + else + s++; + } else if ((s = strpbrk(s, ":/")) == NULL) + s = *cp + strlen(*cp); /* skip to end (see first case below) */ + + switch (*s) { + case '\0': + *cp = NULL; /* no more fields*/ + break; + + case ':': + case '/': + *s = '\0'; /* terminate */ + *cp = s + 1; + break; + + default: + return NULL; + } + + return old; +} + char * cleanhostname(char *host) { @@ -332,3 +374,26 @@ addargs(arglist *args, char *fmt, ...) args->list[args->num++] = xstrdup(buf); args->list[args->num] = NULL; } + +/* + * Read an entire line from a public key file into a static buffer, discarding + * lines that exceed the buffer size. Returns 0 on success, -1 on failure. + */ +int +read_keyfile_line(FILE *f, const char *filename, char *buf, size_t bufsz, + u_long *lineno) +{ + while (fgets(buf, bufsz, f) != NULL) { + (*lineno)++; + if (buf[strlen(buf) - 1] == '\n' || feof(f)) { + return 0; + } else { + debug("%s: %s line %lu exceeds size limit", __func__, + filename, *lineno); + /* discard remainder of line */ + while(fgetc(f) != '\n' && !feof(f)) + ; /* nothing */ + } + } + return -1; +} |