mothra/webfs: multipart/form-data and file upload support
This commit is contained in:
cinap_lenrek
parent
9428062b55
commit
ae311094ad
7 changed files with 221 additions and 130 deletions
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@ -50,6 +50,7 @@ enum{
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TEXTWIN,
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HIDDEN,
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INDEX,
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FILE,
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};
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struct Option{
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int selected;
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@ -59,12 +60,13 @@ struct Option{
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Option *next;
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};
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#define BOUNDARY "hjdicksHjDiCkSHJDICKS"
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#define BOUNDARY "nAboJ9uN6ZXsqoVGzLAdjKq97TWDTGjo"
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void h_checkinput(Panel *, int, int);
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void h_radioinput(Panel *, int, int);
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void h_submitinput(Panel *, int);
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void h_buttoninput(Panel *, int);
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void h_fileinput(Panel *, int);
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void h_submittype(Panel *, char *);
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void h_submitindex(Panel *, char *);
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void h_resetinput(Panel *, int);
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@ -167,14 +169,11 @@ void rdform(Hglob *g){
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f->type=SUBMIT;
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else if(cistrcmp(s, "button")==0)
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f->type=BUTTON;
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else if(cistrcmp(s, "image")==0){
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/* presotto's egregious hack to make image submits do something */
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if(f->name){
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free(f->name);
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f->name=0;
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}
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f->type=SUBMIT;
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} else if(cistrcmp(s, "reset")==0)
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else if(cistrcmp(s, "image")==0)
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f->type=FILE;
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else if(cistrcmp(s, "file")==0)
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f->type=FILE;
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else if(cistrcmp(s, "reset")==0)
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f->type=RESET;
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else if(cistrcmp(s, "hidden")==0)
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f->type=HIDDEN;
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@ -243,6 +242,8 @@ void rdform(Hglob *g){
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*g->tp++=' ';
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o->def=pl_hasattr(g->attr, "selected");
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o->selected=o->def;
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if(pl_hasattr(g->attr, "disabled"))
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o->selected=0;
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s=pl_getattr(g->attr, "value");
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if(s==0)
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o->value=o->label+1;
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@ -369,6 +370,9 @@ void mkfieldpanel(Rtext *t){
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case BUTTON:
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f->p=plbutton(0, 0, f->value[0]?f->value:"button", h_buttoninput);
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break;
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case FILE:
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f->p=plbutton(0, 0, f->value[0]?f->value:"file", h_fileinput);
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break;
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case SELECT:
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f->pulldown=plgroup(0,0);
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scrl=plscrollbar(f->pulldown, PACKW|FILLY);
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@ -453,6 +457,25 @@ void h_resetinput(Panel *p, int){
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}
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void h_buttoninput(Panel *p, int){
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}
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void h_fileinput(Panel *p, int){
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char name[NNAME];
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Field *f;
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f = p->userp;
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nstrcpy(name, f->value, sizeof(name));
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free(f->value);
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f->state=0;
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for(;;){
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if(eenter("Upload file", name, sizeof(name), &mouse) <= 0)
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break;
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if(access(name, AREAD) == 0){
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f->state=1;
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break;
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}
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}
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f->value = strdup(name);
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pldraw(f->p, screen);
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}
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/*
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* If there's exactly one button with type=text, then
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@ -478,25 +501,24 @@ void mencodeform(Form *form, int fd){
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Rune *rp;
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int n;
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#define SEPS "-----------------------------" BOUNDARY
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#define NEXT "\r\n" SEPS
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sep = SEPS;
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for(f=form->fields;f;f=f->next){
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switch(f->type){
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sep = "--" BOUNDARY;
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for(f=form->fields;f;f=f->next)switch(f->type){
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case TYPEIN:
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case PASSWD:
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fprint(fd, "%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n%s",
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sep, f->name, plentryval(f->p));
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sep = NEXT;
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sep = "\r\n--" BOUNDARY;
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break;
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case CHECK:
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case RADIO:
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if(!f->state) break;
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case SUBMIT:
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case HIDDEN:
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if(f->name==0 || f->value==0)
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continue;
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fprint(fd, "%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n%s",
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sep, f->name, f->value);
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sep = NEXT;
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sep = "\r\n--" BOUNDARY;
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break;
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case SELECT:
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if(f->name==0)
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@ -505,7 +527,7 @@ void mencodeform(Form *form, int fd){
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if(o->selected && o->value){
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fprint(fd, "%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n%s",
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sep, f->name, o->value);
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sep = NEXT;
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sep = "\r\n--" BOUNDARY;
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}
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break;
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case TEXTWIN:
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@ -524,10 +546,30 @@ void mencodeform(Form *form, int fd){
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*p = 0;
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fprint(fd, "%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n%s",
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sep, f->name, b);
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sep = NEXT;
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sep = "\r\n--" BOUNDARY;
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free(b);
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break;
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}
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for(f=form->fields;f;f=f->next)if(f->type == FILE){
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char buf[1024];
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int ifd;
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if(f->name==0 || f->value[0]==0)
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continue;
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if(p = strrchr(f->value, '/'))
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p++;
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if(p == 0 || *p == 0)
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p = f->value;
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if((ifd = open(f->value, OREAD)) < 0)
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continue;
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if(filetype(ifd, buf, sizeof(buf)) < 0)
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strcpy(buf, "application/octet-stream");
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fprint(fd, "%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\""
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"\r\nContent-Type: %s\r\n\r\n", sep, f->name, p, buf);
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while((n = read(ifd, buf, sizeof(buf))) > 0)
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write(fd, buf, n);
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close(ifd);
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sep = "\r\n--" BOUNDARY;
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}
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fprint(fd, "%s--\r\n", sep);
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}
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@ -553,6 +595,7 @@ void uencodeform(Form *form, int fd){
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case CHECK:
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case RADIO:
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if(!f->state) break;
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case SUBMIT:
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case HIDDEN:
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if(f->name==0 || f->value==0)
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continue;
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@ -258,6 +258,7 @@ void plegetsel(Panel *p, int *sel0, int *sel1){
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int plelen(Panel *p){
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Textwin *t;
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t=((Edit *)p->data)->t;
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if(t==0) return 0;
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return t->etext-t->text;
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}
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Rune *pleget(Panel *p){
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@ -23,7 +23,6 @@ Panel *cururl; /* label giving the url of the visible text */
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Panel *list; /* list of previously acquired www pages */
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Panel *msg; /* message display */
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Panel *menu3; /* button 3 menu */
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Mouse mouse; /* current mouse data */
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char mothra[] = "mothra!";
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Cursor patientcurs={
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0, 0,
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@ -96,10 +96,11 @@ void freeform(void *p);
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int Ufmt(Fmt *f);
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#pragma varargck type "U" char*
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void message(char *, ...);
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int snooptype(int fd);
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int filetype(int, char *, int);
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int snooptype(int);
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void mkfieldpanel(Rtext *);
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void geturl(char *, int, int, int);
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int urlpost(Url*, char*);
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int urlget(Url*, int);
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char version[];
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Mouse mouse;
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@ -8,6 +8,32 @@
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#include "dat.h"
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#include "fns.h"
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static void
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kickwqr(Buq *q, Req *r)
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{
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Buf **bb, *b;
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int l;
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for(bb = &q->bh; q->nwq > 0; bb = &b->next){
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if((b = *bb) == nil)
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break;
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if(b->wreq == nil || (b->wreq != r && r != nil))
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continue;
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l = b->ep - b->rp;
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b = realloc(b, sizeof(*b) + l);
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*bb = b;
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if(b->next == nil)
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q->bt = &b->next;
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memmove(b->end, b->rp, l);
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b->rp = b->end;
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b->ep = b->rp + l;
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b->wreq->ofcall.count = b->wreq->ifcall.count;
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respond(b->wreq, q->error);
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b->wreq = nil;
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q->nwq--;
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}
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}
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static void
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matchreq(Buq *q)
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{
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@ -47,10 +73,13 @@ matchreq(Buq *q)
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if(r = b->wreq){
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r->ofcall.count = r->ifcall.count;
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respond(r, nil);
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q->nwq--;
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}
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free(b);
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}
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}
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if(q->closed && q->nwq > 0)
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kickwqr(q, nil);
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rwakeupall(&q->rz);
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}
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@ -136,8 +165,8 @@ buclose(Buq *q, char *error)
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if(error)
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q->error = estrdup9p(error);
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q->closed = 1;
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matchreq(q);
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}
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matchreq(q);
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qunlock(q);
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}
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@ -188,7 +217,7 @@ bureq(Buq *q, Req *r)
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return;
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case Twrite:
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l = r->ifcall.count;
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if((q->size + l) < q->limit){
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if(!q->closed && (q->size + l) < q->limit){
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r->ofcall.count = buwrite(q, r->ifcall.data, r->ifcall.count);
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respond(r, nil);
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return;
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@ -202,6 +231,7 @@ bureq(Buq *q, Req *r)
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*q->bt = b;
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q->bt = &b->next;
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q->size += l;
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q->nwq++;
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break;
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case Tread:
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case Topen:
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@ -218,9 +248,7 @@ bureq(Buq *q, Req *r)
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void
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buflushreq(Buq *q, Req *r)
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{
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Buf **bb, *b;
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Req **rr;
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int l;
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switch(r->ifcall.type){
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default:
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@ -228,23 +256,7 @@ buflushreq(Buq *q, Req *r)
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return;
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case Twrite:
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qlock(q);
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for(bb = &q->bh; b = *bb; bb = &b->next){
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if(b->wreq != r)
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continue;
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/* fake successfull write */
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l = b->ep - b->rp;
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b = realloc(b, sizeof(*b) + l);
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memmove(b->end, b->rp, l);
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b->rp = b->end;
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b->ep = b->rp + l;
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b->wreq = nil;
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*bb = b;
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if(b->next == nil)
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q->bt = &b->next;
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r->ofcall.count = r->ifcall.count;
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respond(r, nil);
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break;
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}
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kickwqr(q, r);
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break;
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case Topen:
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case Tread:
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@ -51,6 +51,7 @@ struct Buq
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int closed;
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int limit;
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int size;
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int nwq;
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/* write buffers */
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Buf *bh;
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@ -22,6 +22,7 @@ struct Hconn
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long time;
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int fd;
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int ctl;
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int keep;
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int cancel;
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int len;
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@ -64,7 +65,7 @@ hdial(Url *u)
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{
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char addr[128];
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Hconn *h, *p;
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int fd, ofd;
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int fd, ctl, ofd;
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snprint(addr, sizeof(addr), "tcp!%s!%s", u->host, u->port ? u->port : u->scheme);
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@ -85,7 +86,7 @@ hdial(Url *u)
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if(debug)
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fprint(2, "hdial [%d] %s\n", hpool.active, addr);
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if((fd = dial(addr, 0, 0, 0)) < 0)
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if((fd = dial(addr, 0, 0, &ctl)) < 0)
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return nil;
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if(strcmp(u->scheme, "https") == 0){
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TLSconn *tc;
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@ -97,9 +98,11 @@ hdial(Url *u)
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free(tc->cert);
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free(tc->sessionID);
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free(tc);
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if(fd < 0)
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if(fd < 0){
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close(ctl);
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return nil;
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}
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}
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h = emalloc(sizeof(*h));
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h->next = nil;
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@ -108,6 +111,7 @@ hdial(Url *u)
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h->keep = 1;
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h->len = 0;
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h->fd = fd;
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h->ctl = ctl;
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nstrcpy(h->addr, addr, sizeof(h->addr));
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return h;
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@ -208,11 +212,23 @@ hclose(Hconn *h)
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if(debug)
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fprint(2, "hclose [%d] %s\n", hpool.active, h->addr);
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if(h->ctl >= 0)
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close(h->ctl);
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if(h->fd >= 0)
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close(h->fd);
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free(h);
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}
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static void
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hhangup(Hconn *h)
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{
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if(debug)
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fprint(2, "hangup pc=%p: %r\n", getcallerpc(&h));
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h->keep = 0;
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if(h->ctl >= 0)
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hangup(h->ctl);
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}
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static int
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hread(Hconn *h, void *data, int len)
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{
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@ -225,8 +241,10 @@ hread(Hconn *h, void *data, int len)
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memmove(h->buf, h->buf + len, h->len);
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return len;
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}
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if((len = read(h->fd, data, len)) <= 0)
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if((len = read(h->fd, data, len)) == 0)
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h->keep = 0;
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if(len < 0)
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hhangup(h);
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return len;
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}
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@ -234,7 +252,7 @@ static int
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hwrite(Hconn *h, void *data, int len)
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{
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if(write(h->fd, data, len) != len){
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h->keep = 0;
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hhangup(h);
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return -1;
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}
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return len;
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@ -281,7 +299,7 @@ hline(Hconn *h, char *data, int len, int cont)
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if(h->len >= sizeof(h->buf))
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return 0;
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if((n = read(h->fd, h->buf + h->len, sizeof(h->buf) - h->len)) <= 0){
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h->keep = 0;
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hhangup(h);
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return -1;
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}
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h->len += n;
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@ -431,7 +449,7 @@ catch(void *, char *msg)
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void
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http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
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{
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int i, l, n, try, pid, fd, cfd, chunked, retry, nobody;
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int i, l, n, try, pid, fd, cfd, needlength, chunked, retry, nobody;
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char *s, *x, buf[8192+2], status[256], method[16];
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vlong length, offset;
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Url ru, tu, *nu;
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@ -470,10 +488,11 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
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h = nil;
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pid = 0;
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werrstr("too many errors");
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needlength = 0;
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for(try = 0; try < 6; try++){
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strcpy(status, "0 No status");
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if(u == nil || (strcmp(u->scheme, "http") && strcmp(u->scheme, "https"))){
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werrstr("bad url");
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werrstr("bad url scheme");
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break;
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}
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@ -496,6 +515,41 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
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}
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qunlock(&authlk);
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length = 0;
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chunked = 0;
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if(qpost){
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/* have to read it to temp file to figure out the length */
|
||||
if(fd >= 0 && needlength && lookkey(shdr, "Content-Length") == nil){
|
||||
seek(fd, 0, 2);
|
||||
while((n = buread(qpost, buf, sizeof(buf))) > 0)
|
||||
write(fd, buf, n);
|
||||
shdr = delkey(shdr, "Transfer-Encoding");
|
||||
}
|
||||
|
||||
qlock(qpost);
|
||||
/* wait until buffer is full, most posts are small */
|
||||
while(!qpost->closed && qpost->size < qpost->limit && qpost->nwq == 0)
|
||||
rsleep(&qpost->rz);
|
||||
|
||||
if(lookkey(shdr, "Content-Length"))
|
||||
chunked = 0;
|
||||
else if(x = lookkey(shdr, "Transfer-Encoding"))
|
||||
chunked = cistrstr(x, "chunked") != nil;
|
||||
else if(chunked = !qpost->closed)
|
||||
shdr = addkey(shdr, "Transfer-Encoding", "chunked");
|
||||
else if(qpost->closed){
|
||||
if(fd >= 0){
|
||||
length = seek(fd, 0, 2);
|
||||
if(length < 0)
|
||||
length = 0;
|
||||
}
|
||||
length += qpost->size;
|
||||
snprint(buf, sizeof(buf), "%lld", length);
|
||||
shdr = addkey(shdr, "Content-Length", buf);
|
||||
}
|
||||
qunlock(qpost);
|
||||
}
|
||||
|
||||
if(proxy){
|
||||
ru = *u;
|
||||
ru.fragment = nil;
|
||||
|
|
@ -506,42 +560,10 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
}
|
||||
n = snprint(buf, sizeof(buf), "%s %U HTTP/1.1\r\nHost: %s%s%s\r\n",
|
||||
method, &ru, u->host, u->port ? ":" : "", u->port ? u->port : "");
|
||||
|
||||
for(k = shdr; k; k = k->next)
|
||||
n += snprint(buf+n, sizeof(buf)-2 - n, "%s: %s\r\n", k->key, k->val);
|
||||
|
||||
if(n >= sizeof(buf)-64){
|
||||
werrstr("request too large");
|
||||
break;
|
||||
}
|
||||
|
||||
nobody = !cistrcmp(method, "HEAD");
|
||||
length = 0;
|
||||
chunked = 0;
|
||||
if(qpost){
|
||||
qlock(qpost);
|
||||
/* wait until buffer is full, most posts are small */
|
||||
while(!qpost->closed && qpost->size < qpost->limit)
|
||||
rsleep(&qpost->rz);
|
||||
|
||||
if(lookkey(shdr, "Content-Length"))
|
||||
chunked = 0;
|
||||
else if(x = lookkey(shdr, "Transfer-Encoding"))
|
||||
chunked = cistrstr(x, "chunked") != nil;
|
||||
else if(chunked = !qpost->closed)
|
||||
n += snprint(buf+n, sizeof(buf)-n, "Transfer-Encoding: chunked\r\n");
|
||||
else if(qpost->closed){
|
||||
if(fd >= 0){
|
||||
length = seek(fd, 0, 2);
|
||||
if(length < 0)
|
||||
length = 0;
|
||||
}
|
||||
length += qpost->size;
|
||||
n += snprint(buf+n, sizeof(buf)-n, "Content-Length: %lld\r\n", length);
|
||||
}
|
||||
qunlock(qpost);
|
||||
}
|
||||
|
||||
if(h == nil){
|
||||
alarm(timeout);
|
||||
if((h = hdial(proxy ? proxy : u)) == nil)
|
||||
|
|
@ -574,6 +596,8 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
}
|
||||
}
|
||||
|
||||
for(k = shdr; k; k = k->next)
|
||||
n += snprint(buf+n, sizeof(buf)-2 - n, "%s: %s\r\n", k->key, k->val);
|
||||
n += snprint(buf+n, sizeof(buf)-n, "\r\n");
|
||||
if(debug)
|
||||
fprint(2, "-> %.*s", n, buf);
|
||||
|
|
@ -588,10 +612,10 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
if((pid = rfork(RFMEM|RFPROC)) <= 0){
|
||||
int ifd;
|
||||
|
||||
alarm(0);
|
||||
if((ifd = fd) >= 0)
|
||||
seek(ifd, 0, 0);
|
||||
while(!h->cancel){
|
||||
alarm(0);
|
||||
if((ifd < 0) || ((n = read(ifd, buf, sizeof(buf)-2)) <= 0)){
|
||||
ifd = -1;
|
||||
if((n = buread(qpost, buf, sizeof(buf)-2)) <= 0)
|
||||
|
|
@ -600,18 +624,21 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
if(write(fd, buf, n) != n)
|
||||
break;
|
||||
}
|
||||
alarm(timeout);
|
||||
if(chunked){
|
||||
char tmp[32];
|
||||
hwrite(h, tmp, snprint(tmp, sizeof(tmp), "%x\r\n", n));
|
||||
if(hwrite(h, tmp, snprint(tmp, sizeof(tmp), "%x\r\n", n)) < 0)
|
||||
break;
|
||||
buf[n++] = '\r';
|
||||
buf[n++] = '\n';
|
||||
}
|
||||
if(hwrite(h, buf, n) != n)
|
||||
break;
|
||||
}
|
||||
if(chunked)
|
||||
if(chunked){
|
||||
alarm(timeout);
|
||||
hwrite(h, "0\r\n\r\n", 5);
|
||||
else
|
||||
}else
|
||||
h->keep = 0;
|
||||
if(pid == 0)
|
||||
exits(0);
|
||||
|
|
@ -625,7 +652,6 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
rhdr = 0;
|
||||
retry = 0;
|
||||
chunked = 0;
|
||||
status[0] = 0;
|
||||
offset = 0;
|
||||
length = NOLENGTH;
|
||||
for(l = 0; hline(h, s = buf, sizeof(buf)-1, 1) > 0; l++){
|
||||
|
|
@ -640,6 +666,7 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
if(cistrcmp(s, "ICY"))
|
||||
break;
|
||||
}
|
||||
if(x[0])
|
||||
nstrcpy(status, x, sizeof(status));
|
||||
continue;
|
||||
}
|
||||
|
|
@ -671,6 +698,7 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
cfd = -1;
|
||||
}
|
||||
|
||||
nobody = !cistrcmp(method, "HEAD");
|
||||
if((i = atoi(status)) < 0)
|
||||
i = 0;
|
||||
Status:
|
||||
|
|
@ -699,7 +727,14 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
case 408: /* Request Timeout */
|
||||
case 409: /* Conflict */
|
||||
case 410: /* Gone */
|
||||
goto Error;
|
||||
case 411: /* Length Required */
|
||||
if(qpost){
|
||||
needlength = 1;
|
||||
h->cancel = 1;
|
||||
retry = 1;
|
||||
break;
|
||||
}
|
||||
case 412: /* Precondition Failed */
|
||||
case 413: /* Request Entity Too Large */
|
||||
case 414: /* Request URI Too Large */
|
||||
|
|
@ -861,8 +896,7 @@ http(char *m, Url *u, Key *shdr, Buq *qbody, Buq *qpost)
|
|||
h = nil;
|
||||
}
|
||||
alarm(0);
|
||||
|
||||
rerrstr(buf, sizeof(buf));
|
||||
snprint(buf, sizeof(buf), "%s %r", status);
|
||||
buclose(qbody, buf);
|
||||
bufree(qbody);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue