X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/9dc534e5b5cb8489e1918820284fdccadc6b13a5..79f7ee461078bd837632b2ca9fdf94ab4a080a36:/uip/mhparse.c diff --git a/uip/mhparse.c b/uip/mhparse.c index 043effdc..c381bb85 100644 --- a/uip/mhparse.c +++ b/uip/mhparse.c @@ -138,6 +138,7 @@ static int openURL (CT, char **); static size_t param_len(PM, int, size_t, int *); static size_t encode_param(PM, char *, size_t, size_t, size_t, int); static size_t normal_param(PM, char *, size_t, size_t, size_t); +static int get_dispo (char *, CT, int); struct str2init str2cts[] = { { "application", CT_APPLICATION, InitApplication }, @@ -513,7 +514,8 @@ get_content (FILE *in, char *file, int toplevel) } else if (!strcasecmp (hp->name, DISPO_FIELD)) { /* Get Content-Disposition field */ - ct->c_dispo = add (hp->value, ct->c_dispo); + if (get_dispo(hp->value, ct, 0) == NOTOK) + goto out; } next_header: @@ -679,7 +681,6 @@ extract_name_value (char *name_suffix, char *value) { int get_ctinfo (char *cp, CT ct, int magic) { - int i; char *dp; char c; CI ci; @@ -836,7 +837,7 @@ magic_skip: * Get any {Content-Disposition} given in buffer. */ if (magic && *cp == '{') { - ct->c_dispo = ++cp; + ++cp; for (dp = cp + strlen (cp) - 1; dp >= cp; dp--) if (*dp == '}') break; @@ -848,10 +849,10 @@ magic_skip: c = *dp; *dp = '\0'; - if (*ct->c_dispo) - ct->c_dispo = concat (ct->c_dispo, "\n", NULL); - else - ct->c_dispo = NULL; + + if (get_dispo(cp, ct, 1) != OK) + return NOTOK; + *dp++ = c; cp = dp; @@ -922,10 +923,83 @@ magic_skip: } else advise (NULL, - "extraneous information in message %s's %s: field\n%*.*s(%s)", - ct->c_file, TYPE_FIELD, i, i, "", cp); + "extraneous information in message %s's %s: field\n%*s(%s)", + ct->c_file, TYPE_FIELD, strlen(invo_name) + 2, "", cp); + } + + return OK; +} + + +/* + * Parse out a Content-Disposition header. A lot of this is cribbed from + * get_ctinfo(). + */ +static int +get_dispo (char *cp, CT ct, int buildflag) +{ + char *dp, *dispoheader; + char c; + int status; + + /* + * Save the whole copy of the Content-Disposition header, unless we're + * processing a mhbuild directive. A NULL c_dispo will be a flag to + * mhbuild that the disposition header needs to be generated at that + * time. + */ + + dispoheader = cp = add(cp, NULL); + + while (isspace ((unsigned char) *cp)) /* trim leading spaces */ + cp++; + + /* change newlines to spaces */ + for (dp = strchr(cp, '\n'); dp; dp = strchr(dp, '\n')) + *dp++ = ' '; + + /* trim trailing spaces */ + for (dp = cp + strlen (cp) - 1; dp >= cp; dp--) + if (!isspace ((unsigned char) *dp)) + break; + *++dp = '\0'; + + if (debugsw) + fprintf (stderr, "%s: %s\n", DISPO_FIELD, cp); + + if (*cp == '(' && get_comment (ct->c_file, DISPO_FIELD, &cp, NULL) == + NOTOK) { + free(dispoheader); + return NOTOK; } + for (dp = cp; istoken (*dp); dp++) + continue; + c = *dp, *dp = '\0'; + ct->c_dispo_type = add (cp, NULL); /* store disposition type */ + *dp = c, cp = dp; + + if (*cp == '(' && get_comment (ct->c_file, DISPO_FIELD, &cp, NULL) == NOTOK) + return NOTOK; + + if ((status = parse_header_attrs (ct->c_file, DISPO_FIELD, &cp, + &ct->c_dispo_first, &ct->c_dispo_last, + NULL)) != OK) { + if (status == NOTOK) { + free(dispoheader); + return NOTOK; + } + } else if (*cp) { + advise (NULL, + "extraneous information in message %s's %s: field\n%*s(%s)", + ct->c_file, DISPO_FIELD, strlen(invo_name) + 2, "", cp); + } + + if (buildflag) + free(dispoheader); + else + ct->c_dispo = dispoheader; + return OK; } @@ -3286,7 +3360,7 @@ parse_header_attrs (const char *filename, const char *fieldname, /* Now store the attribute value. */ - pm->pm_value = vp = pm->pm_name + (dp - cp); + vp = pm->pm_name + (dp - cp); if (*dp == '"') { for (cp = ++dp, dp = vp;;) { @@ -3321,6 +3395,7 @@ bad_quote: continue; *dp = '\0'; } + pm->pm_value = getcpy(vp); if (!*vp) { advise (NULL, "invalid parameter in message %s's %s: " @@ -3361,7 +3436,7 @@ char * output_params(size_t initialwidth, PM params, int *offsetout) { char *paramout = NULL; - char line[CPERLIN * 2], *p, *q; + char line[CPERLIN * 2], *q; int curlen, index, eightbit, encode, i; size_t valoff; @@ -3388,7 +3463,7 @@ output_params(size_t initialwidth, PM params, int *offsetout) while (curlen + 8 > CPERLIN - 1) { int curvallen = strlen(params->pm_value + valoff) - - (initialwidth + curlen - (CPERLIN - 1)); + (curlen + 8 - (CPERLIN - 1)); *q++ = ';'; *q++ = '\n'; @@ -3485,7 +3560,8 @@ output_params(size_t initialwidth, PM params, int *offsetout) q += snprintf(q, sizeof(line) - (q - line), "%s*%d", params->pm_name, index); } else { - q = strncpy(q, params->pm_name, sizeof(line) - (q - line)); + strncpy(q, params->pm_name, sizeof(line) - (q - line)); + q += strlen(q); } if (eightbit) @@ -3667,7 +3743,7 @@ static size_t normal_param(PM pm, char *output, size_t len, size_t valuelen, size_t valueoff) { - size_t outlen = 0, n; + size_t outlen = 0; char *endptr = output + len, *p; *output++ = '='; @@ -3715,7 +3791,7 @@ add_param(PM *first, PM *last, const char *name, const char *value) memset(pm, 0, sizeof(*pm)); pm->pm_name = getcpy(name); - pm->pm_value = getcpy(name); + pm->pm_value = getcpy(value); if (*first) { (*last)->pm_next = pm;