diff options
Diffstat (limited to 'form.c')
| -rw-r--r-- | form.c | 192 |
1 files changed, 191 insertions, 1 deletions
@@ -1,4 +1,4 @@ -/* $Id: form.c,v 1.14 2002/06/17 17:51:39 ukai Exp $ */ +/* $Id: form.c,v 1.15 2002/11/05 15:56:13 ukai Exp $ */ /* * HTML forms */ @@ -655,3 +655,193 @@ form_write_from_file(FILE * f, char *boundary, char *name, char *filename, write_end: fprintf(f, "\r\n"); } + +struct pre_form_item { + int type; + char *name; + char *value; + int checked; + struct pre_form_item *next; +}; + +struct pre_form { + ParsedURL url; + char *action; + struct pre_form_item *item; + struct pre_form *next; +}; + +static Str next_token(Str arg); +static struct pre_form *PreForm = NULL; + +static struct pre_form * +add_pre_form(struct pre_form *prev, char *url, char *action) +{ + struct pre_form *new; + + if (prev) + new = prev->next = New(struct pre_form); + else + new = PreForm = New(struct pre_form); + parseURL2(url, &new->url, NULL); + if (action && *action) + new->action = action; + else + new->action = NULL; + new->item = NULL; + new->next = NULL; + return new; +} + +static struct pre_form_item * +add_pre_form_item(struct pre_form *pf, struct pre_form_item *prev, int type, + char *name, char *value, char *checked) +{ + struct pre_form_item *new; + + if (!pf) + return NULL; + if (prev) + new = prev->next = New(struct pre_form_item); + else + new = pf->item = New(struct pre_form_item); + new->type = type; + new->name = name; + new->value = value; + if (checked && *checked && (!strcmp(checked, "0") || + strcasecmp(checked, "off") || !strcasecmp(checked, "no"))) + new->checked = 0; + else + new->checked = 1; + new->next = NULL; + return new; +} + +/* +url <url> [<action>] +text <name> <value> +file <name> <value> +passwd <name> <value> +checkbox <name> <value> [<checked>] +radio <name> <value> +submit [<name>] +*/ + +#define FILE_IS_READABLE_MSG "SECURITY NOTE: file %s must not be accessible by others" + +void +loadPreForm(void) +{ + FILE *fp; + Str line = NULL; + struct pre_form *pf = NULL; + struct pre_form_item *pi = NULL; + + fp = openSecretFile(pre_form_file, Sprintf(FILE_IS_READABLE_MSG, + pre_form_file)->ptr); + if (fp == NULL) { + PreForm = NULL; + return; + } + while (1) { + int type = 0; + char *p, *s, *arg; + + line = Strfgets(fp); + if (line->length == 0) + break; + Strchop(line); + Strremovefirstspaces(line); + p = line->ptr; + if (*p == '#' || *p == '\0') + continue; /* comment or empty line */ + s = getWord(&p); + arg = getWord(&p); + + if (!strcmp(s, "url")) { + if (!arg || !*arg) + continue; + p = getQWord(&p); + pf = add_pre_form(pf, arg, p); + pi = pf->item; + continue; + } + if (!pf) + continue; + if (!strcmp(s, "text")) + type = FORM_INPUT_TEXT; + else if (!strcmp(s, "file")) + type = FORM_INPUT_FILE; + else if (!strcmp(s, "passwd") || !strcmp(s, "password")) + type = FORM_INPUT_PASSWORD; + else if (!strcmp(s, "checkbox")) + type = FORM_INPUT_CHECKBOX; + else if (!strcmp(s, "radio")) + type = FORM_INPUT_RADIO; + else if (!strcmp(s, "submit")) + type = FORM_INPUT_SUBMIT; + else + continue; + s = getQWord(&p); + pi = add_pre_form_item(pf, pi, type, arg, s, getQWord(&p)); + } + fclose(fp); +} + +void +preFormUpdateBuffer(Buffer *buf) +{ + struct pre_form *pf; + struct pre_form_item *pi; + int i; + Anchor *a; + FormList *fl; + FormItemList *fi; + + if (!buf || !buf->formitem || !PreForm) + return; + + for (pf = PreForm; pf; pf = pf->next) { + if (Strcmp(parsedURL2Str(&buf->currentURL), parsedURL2Str(&pf->url))) + continue; + for (i = 0; i < buf->formitem->nanchor; i++) { + a = &buf->formitem->anchors[i]; + fi = (FormItemList *)a->url; + fl = fi->parent; + if (pf->action && (!fl->action || Strcmp_charp(fl->action, pf->action))) + continue; + for (pi = pf->item; pi; pi = pi->next) { + if (pi->type != fi->type) + continue; + if (pi->type == FORM_INPUT_SUBMIT) { + if (!pi->name || !*pi->name || + (fi->name && !Strcmp_charp(fi->name, pi->name))) + buf->submit = a; + continue; + } + if (!pi->name || !fi->name || Strcmp_charp(fi->name, pi->name)) + continue; + switch (pi->type) { + case FORM_INPUT_TEXT: + case FORM_INPUT_FILE: + case FORM_INPUT_PASSWORD: + fi->value = Strnew_charp(pi->value); + formUpdateBuffer(a, buf, fi); + break; + case FORM_INPUT_CHECKBOX: + if (pi->value && fi->value && + !Strcmp_charp(fi->value, pi->value)) { + fi->checked = pi->checked; + formUpdateBuffer(a, buf, fi); + } + break; + case FORM_INPUT_RADIO: + if (pi->value && fi->value && + !Strcmp_charp(fi->value, pi->value)) + formRecheckRadio(a, buf, fi); + break; + } + } + } + } +} |