diff options
Diffstat (limited to 'lib/cookie.c')
| -rw-r--r-- | lib/cookie.c | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/lib/cookie.c b/lib/cookie.c index 17c18e2df..0b9c8d337 100644 --- a/lib/cookie.c +++ b/lib/cookie.c @@ -262,7 +262,8 @@ static char *sanitize_cookie_path(const char *cookie_path) /* * Load cookies from all given cookie files (CURLOPT_COOKIEFILE). - * NOTE: failures are ignored + * + * NOTE: OOM or cookie parsing failures are ignored. */ void Curl_cookie_loadfiles(struct SessionHandle *data) { @@ -270,10 +271,17 @@ void Curl_cookie_loadfiles(struct SessionHandle *data) if(list) { Curl_share_lock(data, CURL_LOCK_DATA_COOKIE, CURL_LOCK_ACCESS_SINGLE); while(list) { - data->cookies = Curl_cookie_init(data, - list->data, - data->cookies, - data->set.cookiesession); + struct CookieInfo *newcookies = Curl_cookie_init(data, + list->data, + data->cookies, + data->set.cookiesession); + if(!newcookies) + /* Failure may be due to OOM or a bad cookie; both are ignored + * but only the first should be + */ + infof(data, "ignoring failed cookie_init for %s\n", list->data); + else + data->cookies = newcookies; list = list->next; } curl_slist_free_all(data->change.cookielist); /* clean up list */ @@ -355,6 +363,8 @@ static bool isip(const char *domain) * Be aware that sometimes we get an IP-only host name, and that might also be * a numerical IPv6 address. * + * Returns NULL on out of memory or invalid cookie. This is suboptimal, + * as they should be treated separately. ***************************************************************************/ struct Cookie * @@ -886,6 +896,7 @@ Curl_cookie_add(struct SessionHandle *data, * * If 'newsession' is TRUE, discard all "session cookies" on read from file. * + * Returns NULL on out of memory. Invalid cookies are ignored. ****************************************************************************/ struct CookieInfo *Curl_cookie_init(struct SessionHandle *data, const char *file, @@ -893,8 +904,9 @@ struct CookieInfo *Curl_cookie_init(struct SessionHandle *data, bool newsession) { struct CookieInfo *c; - FILE *fp; + FILE *fp = NULL; bool fromfile=TRUE; + char *line = NULL; if(NULL == inc) { /* we didn't get a struct, create one */ @@ -902,6 +914,8 @@ struct CookieInfo *Curl_cookie_init(struct SessionHandle *data, if(!c) return NULL; /* failed to get memory */ c->filename = strdup(file?file:"none"); /* copy the name just in case */ + if(!c->filename) + goto fail; /* failed to get memory */ } else { /* we got an already existing one, use that */ @@ -926,25 +940,26 @@ struct CookieInfo *Curl_cookie_init(struct SessionHandle *data, char *lineptr; bool headerline; - char *line = malloc(MAX_COOKIE_LINE); - if(line) { - while(fgets(line, MAX_COOKIE_LINE, fp)) { - if(checkprefix("Set-Cookie:", line)) { - /* This is a cookie line, get it! */ - lineptr=&line[11]; - headerline=TRUE; - } - else { - lineptr=line; - headerline=FALSE; - } - while(*lineptr && ISBLANK(*lineptr)) - lineptr++; - - Curl_cookie_add(data, c, headerline, lineptr, NULL, NULL); + line = malloc(MAX_COOKIE_LINE); + if(!line) + goto fail; + while(fgets(line, MAX_COOKIE_LINE, fp)) { + if(checkprefix("Set-Cookie:", line)) { + /* This is a cookie line, get it! */ + lineptr=&line[11]; + headerline=TRUE; } - free(line); /* free the line buffer */ + else { + lineptr=line; + headerline=FALSE; + } + while(*lineptr && ISBLANK(*lineptr)) + lineptr++; + + Curl_cookie_add(data, c, headerline, lineptr, NULL, NULL); } + free(line); /* free the line buffer */ + if(fromfile) fclose(fp); } @@ -952,6 +967,16 @@ struct CookieInfo *Curl_cookie_init(struct SessionHandle *data, c->running = TRUE; /* now, we're running */ return c; + +fail: + Curl_safefree(line); + if(!inc) + /* Only clean up if we allocated it here, as the original could still be in + * use by a share handle */ + Curl_cookie_cleanup(c); + if(fromfile && fp) + fclose(fp); + return NULL; /* out of memory */ } /* sort this so that the longest path gets before the shorter path */ |